УСТАНОВКА ТЕПЛООБМЕННИКА

Установка теплообменника (2) содержит по меньшей мере один теплообменник (4), включающий по меньшей мере один, преимущественно горизонтально ориентированный коллектор (6а, 6b), образующий верхнюю сторону по меньшей мере одного теплообменника (4), при этом по меньшей мере один коллектор (6а, 6b) имеет боковые концевые части (8) и опорную конструкцию (10), включающую основную часть, содержащую, по меньшей мере частично, металлический материал, и опорные части коллектора (14), связанные с соответствующими боковыми концевыми частями (8) по меньшей мере одного коллектора (6а, 6b). Опорные части коллектора (14) изготовлены, по меньшей мере частично, из неметаллического материала и выполнены с возможностью приема боковых концевых частей (8) по меньшей мере одного коллектора (6а, 6b) для предотвращения контакта по меньшей мере одного коллектора (6а, 6b) с любыми металлическими частями опорной конструкции (10). 14 з.п. ф-лы, 9 ил.

Verflüssiger für Klimaanlage, insbesondere in Fahrzeugen

Verflüssiger mit einer mäanderförmig geführten Verflüssigerleitung

Haushaltsgerät

Haushaltsgerät (1), insbesondere Haushaltskältegerät, umfassend ein Gehäuse (3) und einem darin ausgebildeten Innenraum (15), der durch eine Trennwand (10) in ei-nen Wärmetauscherraum (16) mit einem darin angeordneten Wärmetauscher (50) und in einen Lagerraum (11) für Kühlgut unterteilt ist, der Wärmetauscher (50) weist ein serpentinenartig gebogenes Kältemittelrohr (52) mit geraden Kältemittelrohrab-schnitten (521, 522) und radial von den geraden Kältemittelrohrabschnitten (521, 522) abstehende Lamellenabschnitte (601, 602) auf, welche im Betriebszustand des Wärmetauschers (50) von einem durch einen Lüfter erzeugten Luftstrom (46) um-strömt sind, die Lamellenabschnitte (601, 602) sind zueinander geneigt und in Strö-mungsrichtung des Luftstroms (46) durch den Wärmetauscher (50) nacheinander angeordnet, wobei die Lamellenabschnitte (601, 602) zu einem lokalen Luftstrom (46) ausgerichtet sind und eine bogenförmige Strömungslinie (47) ausbilden, welche einen zu einer Randfläche (500) des Wärmetauschers ...

WÄRMETAUSCHER FÜR EIN KÄLTEGERÄT, VERFAHREN ZUR HERSTELLUNG EINES WÄRMETAUSCHERS SOWIE KÄLTEGERÄT

Die Erfindung betrifft einen Wärmetauscher (36) für ein Kältegerät (10), insbesondere für ein Haushalts-Kältegerät, der eine Kältemittelleitung (34) aufweist. Die Kältemittelleitung (34) hat eine im Gebrauch von einem Kältemittel (32) durchflossene Strömungsquerschnittsfläche (56). Weiter weist die Kältemittelleitung (34) eine Verengung zum Verkleinern der Strömungsquerschnittsfläche (56) auf. Die Erfindung betrifft außerdem ein Verfahren zur Herstellung des Wärmetauschers (36) sowie ein Kältegerät (10), das mit einem solchen Wärmetauscher (36) ausgestattet ist.

Serpentine heat exchanger

A method for building a serpentine heat exchanger, particularly a condenser for refrigerating circuits being profiled in such a way to present from a lateral side view and relative to at least one part of its length an inclination the direction of which is suddenly or progressively inverted at least once relative to a plane which is substantially parallel to one of the directions defined by the extension of the exchanger (3), in particular relative to a plane substantially parallel to the principal direction of a flow of air in which the exchanger (3) is located, and in special manner relative to a substantially vertical or substantially horizontal plane. According to the invention, the method comprises the following steps: a) the construction at least of the serpentine or of the complete exchanger in a flat configuration; b) the bending and/or moulding, or deforming of the flat serpentine or of the flat complete exchanger in a way to assume the desired inclinations.

Serpentine heat exchanger

Serpentine heat exchanger

EVAPORATOR/CCONDENSOR FOR HEAT PUMP

WIRE UP TUBING CONDENSOR FOR COOLING DEVICES

Improvements to heat exchange

The invention relates to a heat exchanger with inter-connecting cells in a row or block which evenly distribute and transfer heat to a fluid within a cell. Voids between rows or blocks of cells and the heat transfer medium comprise additional means of transferring heat from a heat-transfer medium to the fluid within the cells. The heat exchanger may be used but not limited to applications such as a condenser in an air conditioning unit, a wall heater or an indirect evaporative cooler.

Condenser for heat exchanger systems

Evaporator/condenser for a heat pump

COIL HEAT EXCHANGER FOR POOL

A heat exchanger for thermally conditioning a fluid medium comprises a reservoir defining an outer surface and an opposite inner surface defining a cavity for the fluid medium to circulate therein. Inlet and outlet ports are in fluid communication with the cavity for respectively providing the fluid medium to flow in and out of the cavity. A helicoidal coil conduit is positioned within the cavity about the inner surface, circumscribing an area of the cavity, and providing for thermally conditioning the fluid medium when in contact therewith. An obstacle extends along its length within the area and defines a contiguous obstacle surface that is spaced apart from the reservoir inner surface for providing a distance therebetween that increases along the length of the obstacle. The obstacle provides for fluid medium in the cavity to circulate about its surface and along its length.

Wärmeaustauscher zur Verflüssigung oder Verdampfung eines Kältemittels

HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE PROVIDED WITH HEAT EXCHANGER

Heat exchanger and refrigeration cycle device

Condensing and falling film evaporation hybrid heat exchanger

Monitorable heat exchanger inner core improving heat exchange efficiency

Plate-type heat exchanger and refrigeration cycle device

空调机

... 在具有W字形的换热器组的空调机上，当根据位于内侧的换热器设定流向换热器组的制冷剂量时，外侧的空气侧换热器则会处于制冷剂供给不足的状态，反之，当根据外侧的换热器设定流过的制冷剂量时，内侧的空气侧换热器则会处于制冷剂供给过多的状态，存在热效率差，不能实现目标的设计性能的问题。本发明，在换热器配置成W字形的换热器组的内侧配置的换热器(2a)、(2b)的制冷剂入口侧配管(3c)、(3d)上，设计调节流过的制冷剂的流量的制冷剂流量调节装置(7a)、(7b)。 ...

A HEAT EXCHANGER COMPRISING A BUNDLE OF EXCHANGE, HOUSING ADAPTED FOR WRAPPING THEREOF AND A METHOD OF ASSEMBLING A HEAT EXCHANGER

La présente invention concerne un échangeur de chaleur (1) pour échanger de la chaleur entre un premier fluide et un deuxième fluide, ledit échangeur de chaleur (1) comprenant un faisceau d'échange (15) et un boitier (11, 20) adapté pour envelopper ledit faisceau d'échange (15), dans lequel l'échangeur de chaleur (1) est pourvu d'une entrée (16) et d'une sortie (17) destinées au premier fluide et d'une entrée (21) et d'une sortie (22) destinées au deuxième fluide, caractérisé en ce que, le boitier (11, 20) est constitué d'une première partie (11) essentiellement plane ou, de préférence, plane, en forme de plaque, adaptée pour former une paroi dudit boitier, et d'une deuxième partie (20) en forme de réceptacle, ladite deuxième partie (20) comprenant un bord libre (25) adapté pour être connecté avec ladite première partie (11), et ainsi former ledit boitier (11, 20).

THERMODYNAMIC BOILER USING A REDUCED AMOUNT OF REFRIGERANT

L'invention concerne un chauffe-eau (500) thermodynamique, notamment d'une capacité de 400 litres, comprenant un circuit caloporteur formant pompe à chaleur, comportant : a. un circuit basse pression comprenant un évaporateur (508); b. un circuit haute pression comprenant un condenseur (100) en contact avec la cuve (502) dudit chauffe-eau, caractérisé en ce que ledit condenseur comprend : bi. deux plaques superposées et plaquées l'une contre l'autre, l'une des plaques comprenant un bossage continu formant, en coopération avec l'autre plaque, un conduit réalisant un circuit de condensation selon des canaux parallèles ; bii. une entrée (110) du fluide frigorigène, en phase gazeuse, selon un canal unique suivie d'une zone (111) de distribution comprenant une pluralité de bifurcations de division, répartissant chacune le fluide véhiculé d'un canal de section courante dans deux canaux de même section courante ; biii. une sortie (120) selon un canal unique du fluide frigorigène en phase liquide ...

열교환기

... 본 실시예에 따른 열교환기에는, 냉매가 유동하는 다수의 냉매 튜브; 상기 다수의 냉매 튜브가 삽입되며, 냉매와 유체간의 열교환이 이루어지도록 하는 방열핀; 상기 다수의 냉매 튜브의 적어도 일측에 결합되며, 냉매의 유동공간을 형성하는 헤더; 및 상기 헤더에 구비되어 상기 유동공간을 구획하며, 냉매를 상기 헤더로부터 상기 냉매 튜브로 가이드 하는 가이드 장치가 포함되며, 상기 가이드 장치에는, 움직임 가능하게 제공되는 차폐부가 포함된다.

expositor de mercadorias refrigerado

Evaporador/condensador para uma bomba de calefação

GEOMETRY OF HEAT EXCHANGER WITH HIGH EFFICIENCY

The present disclosure includes geometry of a two-fluid heat exchanger to provide higher energy efficiency than conventional heat exchangers. The geometry is based upon sequential branching of nearly circular passages in sets, followed by some deformation and twisting of the sequential branches that intermingle flow passages of one fluid with flow passages of another fluid. The flow passages gradually vary in dimension from larger branching at fluid entrance and exit to smaller branching in the middle section of the heat exchanger. The heat exchanger is substantially symmetric, with the sequential branching in the first half being mirrored as serial regrouping in the second half. The present disclosure also provides stacking methods and layered manufacturing methods for fabricating the three-dimensional geometry of the heat exchanger.

A CONDENSER

A condenser for a domestic split system air conditioner that has an evaporator. The condenser has a housing defining a duct through which to pass air, and a cross flow fan for inducing an air flow through the duct. A refrigerant inlet receives refrigerant from the evaporator, and a refrigerant outlet returns refrigerant to the evaporator. At least one tube through which to pass a refrigerant is connected to the refrigerant inlet and the refrigerant outlet. At least part of the tube is located in the duct to enable heat transfer between the refrigerant and the induced air flow. The duct has a width to height ratio that is no greater than 8:1.

COOLING TOWER

A method of operating an evaporative cooling tower includes contacting water with air in a cooling zone to cool the water and heat the air and cooling the heated air to condense water therefrom, thereby to reduce water loss from the cooling tower. Typically, the cooling of the heated air is by means of evaporative cooling employing a refrigerant.

High efficiency heat exchanger

A heat exchanger for a medium condenser mainly comprises a plurality of vertical cooling fins essentially having extra length extended both upwardly and downwardly from an ordinary portion of medium coil path for greatly increase the cooling efficiency therefore, and a drip-drop type water feeding box for feeding water drops to a top of cooling fins densely but intermittently to let each of water drop been held in the spacing between opposite surfaces of adjacent cooling fins a short period of time and start to slide down around the surface of a cooling fin as a next drop of water is delivered to provide enough time for evaporating so as to absorb a large quantity of latent heat for increasing cooling efficiency therefore.

Coil support

A coil support suitable for supporting a coil in a condensing unit includes a body and a protrusion extending from the body. The protrusion is configured to limit movement of the coil in at least one direction.

Evaporator or evaporator/condenser

An improved evaporator or evaporator/condenser for use in refrigeration or heat pump systems including first and second spaced, pressure resistant headers (10, 12); a plurality of elongated tubes (20) of flattened cross-section extending in parallel, spaced relation between and in fluid communication with the headers (10, 12) and serpentine fins (34) extending between and bonded to adjacent ones of the tubes (20). The tubes (20) and fins (34), between the headers (10, 12), define a non-planar configuration having a laterally directed apex (80). A condensate trough (82) is aligned with and opens towards one of the headers (12) to receive condensate dripping therefrom.

Condenser having a receiver tank formed integrally therewith

A condenser of the type having a receiver tank formed integrally with the condenser has each of two opposed header tanks composed of a tube-receiving plate and a tank plate. The tank plate of one of the header tanks is formed of an extruded section member having a hollow portion forming a receiver tank and the extruded section member further has auxiliary passages. The tube-receiving plates of the header tanks are structurally independent so that formation of tube-receiving holes and application of cladding material can be performed for each tube-receiving plate, and a condenser having a plurality of flow paths can be constructed. In addition, if heat transfer between the hollow portion and the one header tank has a negative effect on the operation of the condenser, a heat insulating space is formed between the hollow portion and the one header tank for controlling heat transfer therebetween.

FIN MATERIAL FOR HEAT EXCHANGER, AND HEAT EXCHANGER

A heat-exchanger fin material which has a substrate composed of aluminum and a coating film formed on the substrate. The coating film is composed of a one-layered or two or more-layered coating and has a hydrophilic colored coating on its outermost surface. The hydrophilic colored coating contains an acrylic-modified epoxy resin (A), a melamine resin (B), a perfluoroalkyl group-containing alcohol resin (C), and a pigment (D). The content of the pigment (D) in the hydrophilic colored coating is 1 to 80 mg/m. The water-contact angle of the hydrophilic colored coating is 20° or less. The elution ratio of the hydrophilic colored coating into running water is 1 mass % or less after an immersion test in which the heat-exchanger fin material is immersed in running water with a flow rate of 5 L/hour for 24 hours. A heat exchanger which includes a fin composed of the aforesaid heat-exchanger fin material. 1. A heat-exchanger fin material comprising:a substrate composed of aluminum; anda coating film formed on the substrate and composed of a one-layered or two or more-layered coating;wherein the coating film has a hydrophilic colored coating on its outermost surface,the hydrophilic colored coating contains an acrylic-modified epoxy resin (A), a melamine resin (B), a perfluoroalkyl group-containing alcohol resin (C), and a pigment (D),{'sup': '2', 'the content of the pigment (D) in the hydrophilic colored coating is 1 to 80 mg/m,'}the water-contact angle of the hydrophilic colored coating is 20° or less, andthe elution ratio of the hydrophilic colored coating into running water is 1 mass % or less after an immersion test in which the heat-exchanger fin material is immersed in running water with a flow rate of 5 L/hour for 24 hours.2. The heat-exchanger fin material according to claim 1 , wherein the color fading degree of the hydrophilic colored coating after the immersion test is indicated as (ΔL claim 1 , Δa claim 1 , Δb)=(±2.5 claim 1 , ±1.0 claim 1 , ±1.0) in a Lab color ...

MODULATOR ASSEMBLY FOR CONDENSER

A modulator assembly for a condenser. The modulator assembly has a tube having a first end and a second end. A first connector is brazed to the first end of the tube. A second connector is threadably secured at the second end of the tube.

Refrigerator

A refrigerator includes a cabinet that defines a storage space and a machine compartment that accommodates a compressor, a blow fan, and a condenser. The condenser is curved along front, rear, and side surfaces of the machine compartment. The condenser includes a first header disposed at a first end of the condenser, a second header disposed at a second end of the condenser, tubes that connect the first header and the second header to each other, heat exchange fins disposed the tubes, an input connection portion that extends from the first header toward the second header and is configured to supply refrigerant to the first header, and an output connection portion that extends from the first header toward the second header and is spaced apart from the input connection portion. The output connection portion is configured to receive the refrigerant discharged from the first header.

CHILLER SYSTEM WITH MULTIPLE COMPRESSORS

HEAT EXCHANGE TUBE, HEAT EXCHANGER AND HEAT PUMP UNIT

ТЕПЛООБМЕННИК

Refrigerant condenser with integral receiver and method for fabricating the same

VEHICLE COOLING PLANT

HEAT EXCHANGER FOR LIQUEFACTION OR EVAPORATION OF REFRIGERANTS

AIR CONDITIONING SYSTEM

LIQUID-COOLED CONDENSER

MULTI-CROSS SECTIONAL FLUID PATH CONDENSER

A refrigerant condenser having multiple sections of straight tubes terminating in segmented headers, each subsequent section having an overall cross-sectional area less than an initial section with the overall cross section of the initial section large enough to substantially reduce vapor velocity thus reducing the refrigerant pressure drop; the total cross-sectional area dimensioned to cause entrance vapor velocity, to be sufficient to establish an internal film heat transfer coefficient greater than the external heat transfer coefficient while limiting the internal pressure drop for the heat rejection intended.

VAPOR COMPRESSION HEAT TRANSFER SYSTEM COMPRISING AN INTERMEDIATE HEAT EXCHANGER AND A DUAL-ROW EVAPORATOR

The present disclosure relates to a method for exchanging heat in a vapor compression heat transfer system. In particular, it relates to use of an intermediate heat exchanger to improve performance of a vapor compression heat transfer system utilizing a working fluid comprising at least one fluoroolefin. In addition, the present disclosure relates to a vapor compression heat transfer system comprising an intermediate heat exchanger in combination with a dual-row evaporator or a dual-row condenser, or both.

FLOATING COIL HEAT EXCHANGER

The present application provides a heat exchanger assembly. The heat exchanger assembly may include a microchannel coil and a frame. The frame may include a slot to position the microchannel coil therein. A coil attachment may connect the microchannel coil at a first end of the frame.

REFRIGERATION SYSTEM WITH PHASE CHANGE MATERIAL HEAT EXCHANGER

The present application provides a refrigeration system. The refrigeration system may include a compressor and a condenser downstream of the compressor. The condenser may include a refrigerant tube, an outer jacket surrounding the refrigerant tube, and a phase change material positioned between the refrigerant tube and the outer jacket and in contact with the refrigerant tube.

EVAPORATOR OR EVAPORATOR/CONDENSER

An improved evaporator or evaporator/condenser for use in refrigeration or heat pomp systems including first and second spaced, pressure resistant headers (10, 12); a plurality of elongated tubes (20) of flattened cross-section extending in parallel, spaced relation between and in fluid communication with the headers (10, 12) and serpentine fins (34) extending between and bonded to adjacent ones of the tubes (20). the tubes (20) and fins (34), between the headers (10, 12), define a non- planar configuration having an apex (80). A condensate trough (82) is aligned with and opens towards the apex (80) to receive condensate dripping therefrom.

EVAPORATOR/CONDENSER FOR A HEAT PUMP

Improved condensate drainage is achieved while compact size is retained in a condenser/evaporator for use in a heat pump system in a construction having first and second, curved, generally congruent tubular headers (10), (14) with one of the headers (10) being an upper header and the other of the headers (14) being a lower header. A first row of elongated tube slots (18) is located in the upper header (10) while a second row of elongated tube slots (20) is located in the lower header (14). Each tube slot (18) in the first row has a corresponding tube slot (20) in the second row and corresponding tube slots (18), (20) in the rows are aligned with one another. Elongated, straight, flattened tubes (22) extend between the headers (10), (14), in parallel with each other and a first port (32) is provided for refrigerant in one of the headers (10) and a second port (36) is provided for refrigerant in the other of the headers (14).

Single heat pump type air conditioner and plate type heat-absorption side heat exchange component

Heat exchanger and refrigeration cycle device

THERMODYNAMIC BOILER USING A REDUCED AMOUNT OF REFRIGERANT

제습기

... 본 실시예는 제습기에 관한 것이다. 본 발명은 냉매를 순환시키는 압축기, 냉매를 응축시키는 응축기 그리고 응축기와 마주보는 증발기를 포함하고, 응축기에 대해서 다수의 열로 배치된 튜브를 일부 또는 전부가 분리된 다수의 핀에 결합시키고, 다수 열의 튜브 중 일부 열의 튜브를 고정하지 않음으로, 공기의 유로를 상대적으로 크게 확보할 수 있어, 유동이 원활해지고, 응축성능이 좋아져서 응축기의 끝단의 온도를 낯출 수 있어서 싸이클의 효율을 향상시키는 이점이 있다.

MULTI-CHANNEL HEAT EXCHANGER WITH IMPROVED UNIFORMITY OF REFRIGERANT FLUID DISTRIBUTION

멀티 포트 압출 성형체 (MPE) 구성

... 냉각 또는 히트펌프 시스템, 특히 그러한 시스템에 있는 컨덴서 또는 증발기와 같은 솔루션에서 열교환 또는 열회수용 교환기(1)에 사용되는 개선된 구성의 멀티 포트 압출 성형체(MPE; Multi Port Extrusion)가 제공된다. MPE 멀티 포트 압출 성형체(7)는 "개개의" 튜브 또는 미소 채널(8)이 보다 얇은 플랜지 또는 웹(9)에 의해 상호 연결된 웹형 압출 성형체(Web-MPE)이다.

DEFROSTING APPARATUS AND REFRIGERATOR COMPRISING SAME

According to the present invention, disclosed is a defrosting apparatus comprising: a heater case comprising a heat pipe seating part formed to extend from one surface thereof in a recessed shape and a heater receiving part formed to extend in the shape of being recessed on one surface and a heater receiving part formed to extend in parallel with the heat pipe seating part; a heater which is mounted in the heater receiving part so as to emit heat when power is applied thereto; a heat pipe which has a flow path through which a working fluid filled therein flows, which has a part seated on the heat pipe seating part, and which is disposed to be adjacent to a cooling pipe of an evaporator such that heat is radiated to the cooling pipe of the evaporator by means of the working fluid at a high temperature which is heated by the heater and then is transferred; and a holder which is detachably coupled to the heater case so as to cover the heat pipe seated on the heat pipe seating part. COPYRIGHT ...

"método para troca de calor e sistemas de transferência de calor"

HEAT EXCHANGER AND AIR CONDITIONER EQUIPPED WITH SAME

Provided is a structure in which condensed water from an outermost lower-side fin can be drained as quickly as possible in a side-flow-type parallel-flow heat exchanger. The heat exchanger (1) comprises: two header pipes (2),(3) arranged in parallel with an interval therebetween; a plurality of flat tubes (4) which are arranged between the header pipes and which place coolant paths (5) provided therein in communication with the interior of the header pipes; a plurality of fins (6) attached to the flat surface of each flat tube; and side sheets (10U), (10D) attached to the outside of the fins (6aU), (6aD), which are positioned farthest outward among the plurality of fins. The side sheet (10D) positioned in the bottom part of the heat exchanger (1) has a plurality of notches (11) formed at intervals from each other on the edge of the side where condensed water collects in the heat exchanger (1). The notches are each provided with a width sufficient for covering the interval pitch (P) of the ...

MULTI TUBE HEAT EXCHANGER

Heat exchanger for heat exchange or heat recovery in systems such as refrigeration or heat pump systems, in particular a condenser or evaporator in such systems The heat exchanger is shaped of a multi-port aluminium extrusion (8) by bending and forming parallel loops. Each of the ends of the extrusion (8) are finally bent such that they are facing each other and are connected at an offset of one port or hole (9) and thereby creating a single helical loop unit with inlet and outlet ports (15 respectively 16).

PLATE TYPE HEAT EXCHANGER

Echangeur thermique à plaques, qui comprend un composant constitué de deux plaques entre lesquelles s'écoule le liquide et qui est conçu pour assurer l'échange de chaleur entre un fluide s'écoulant à l'intérieur et un fluide s'écoulant à l'extérieur dudit composant. L'échangeur comprend deux plaques (1), constituant chaque composant (2), qui présentent une pluralité d'encoches (8) en contact mutuel fixe, dont les bords périphériques sont scellés de façon à définir un espace permettant l'écoulement de liquide, et des orifices (5, 6) situés à ses extrémités opposées. Les composants (2) de l'échangeur sont empilés et assemblés de façon que les orifices (5, 6) communiquent entre eux.

Condensing heat-exchange copper tube for an flooded type electrical refrigeration unit

The present invention discloses a condensing heat-exchange copper tube for a flooded type electrical refrigeration unit, which comprises a smooth surface portion, a finned portion provided with plurality of fins and a transitional portion connecting the smooth surface portion to the finned portion. Said fin includes a fin base close to the outer surface of the heat-exchange tube and a fin top away from the outer surface. Said fin is further provided with a secondary fin at the central portion of the fin and a third fin at the top portion of the fin, wherein a certain distance is provided between two axially adjacent secondary fins or two axially adjacent third fins. Secondary fins as well as third fins according to the invention further increase the heat transfer area for the heat-exchange tube. Meanwhile, secondary fins and third fins help to attenuate the condensate film such that the condensate film is substantially eliminated, and vapor condensation and heat transfer may be carried ...

Heat exchanger

A heater exchanger used to condense a refrigerant in a refrigeration system. The heat exchanger is designed to perform a heat exchanging operation by the use of latent heat of water vaporization, thus having improved heat exchanging efficiency as well as a reduced size. The heat exchanger includes an upper header having a refrigerant inlet port and distributing a refrigerant introduced into the upper header through the refrigerant inlet port, a plurality of heat exchanging tubes connected at upper ends thereof to the upper header and extending in a vertical direction, a lower header connected to lower ends of the heat exchanging tubes and gathering the refrigerant flowing from the heat exchanging tubes, with a refrigerant outlet port formed in the lower header, and a water supply unit assembled with upper portions of external surfaces of the heat exchanging tubes, and feeding water to the tubes to cause water to flow along the external surfaces of the tubes. The water supply unit is a channeled ...

EVAPORATIVE COOLING SYSTEM FOR AN HVAC SYSTEM

Embodiments of the present disclosure relate to a condenser assembly for a heating, ventilation, and/or air conditioning (HVAC) system that includes a condenser coil having a plurality of tubes configured to flow a refrigerant therethrough for heat transfer between the refrigerant and a flow of air passing across the plurality of tubes, and a porous material having a plurality of fluid retaining passages, in which the plurality of fluid retaining passages is configured to receive a fluid and enable the flow of air to pass through the porous material and transfer of thermal energy to between the fluid and the flow of air. The porous material is disposed upstream of the condenser coil with respect to the flow of air such that the flow of air passes through the porous material before passing across the plurality of tubes. 1. A condenser assembly for a heating , ventilation , and/or air conditioning (HVAC) system , comprising:a condenser coil having a plurality of tubes configured to flow a refrigerant therethrough for heat transfer between the refrigerant and a flow of air passing across the plurality of tubes; anda porous material having a plurality of fluid retaining passages, wherein the porous material is disposed upstream of the condenser coil with respect to the flow of air such that the flow of air passes through the porous material before passing across the plurality of tubes, and wherein the plurality of fluid retaining passages is configured to receive a fluid and enable transfer of thermal energy between the fluid and the flow of air.2. The condenser assembly of claim 1 , wherein the fluid retaining passages include contiguous systems of porous pockets of the porous material.3. The condenser assembly of claim 1 , wherein the fluid retaining passages include pathways formed through the porous material claim 1 , wherein the pathways are configured to direct the fluid along a length of the porous material.4. The condenser assembly of claim 1 , comprising a ...

A condenser for air-conditioning systems for vehicles

A condenser for air-conditioning systems for vehicles comprises at least one row of tubes (12, 12a, 12b) fixed to a pack of substantially flat fins (14) by mechanical expansion of the tubes (12). The condenser comprises a pair of tubes (12a, 12b) with circular cross-sections situated at the ends of the row and a plurality of tubes (12) with oblong cross-sections situated in the inner portion of the row. ...

ЗМЕЕВИДНЫЙ ТЕПЛООБМЕННИК

Изобретение относится к теплообменной технике и может быть использовано в испарителях для рефрижераторных контуров. Способ предназначен для получения змеевидного теплообменника, в частности испарителя для рефрижераторных контуров, профилированного так, чтобы иметь наклон на боковой проекции относительно по меньшей мере одной части своей длины, направление которого внезапно или постепенно меняется на обратное по меньшей мере один раз относительно плоскости, которая, по существу, параллельна одному из направлений, определенных длиной теплообменника. Способ предусматривает: получение конструкции по меньшей мере змеевика или законченного теплообменника в плоской конфигурации; гибку и/или формование, или деформирование плоского змеевика или плоского законченного теплообменника так, чтобы обеспечить требуемые наклоны. 2 с. и 5 з.п. ф-лы, 5 ил.

Hybridkühlanordnung

Hybridkühlanordnung (1) für Kältemittel, aufweisend – einen Enthitzer (2) und – mindestens zwei auf der luftseitigen Wärmeübertragerfläche mit Kühlmittel benetzbare Kondensatoren (3), – eine Kühlmittelbenetzungsvorrichtung für die Kondensatoren (3) und – Mittel zur Erzeugung einer Strömung von Kühlluft (10) durch die Kondensatoren (3) hindurch, wobei – die Kondensatoren (3) V-förmig mit ihrer Längsachse (8) geneigt zur Längsachse (7) der Hybridkühlanordnung (1) in dieser angeordnet sind, dadurch gekennzeichnet, dass – der Enthitzer (2) im oberen offenen Bereich der V-förmig angeordneten Kondensatoren (3) zwischen den beabstandet zueinander angeordneten Stirnseiten (9) der Kondensatoren (3) angeordnet ist, wobei der Enthitzer (2) und die Kondensatoren (3) derart zueinander positioniert sind, dass – die Kühlluft (10) erst einen Kondensator (3) und anschließend den Enthitzer (2) durchströmt.

Closed refrigeration circuit condenser which has the serpentine channel for the refrigerant integrally formed in the finned backplate

The condenser for a refrigeration circuit has a heat dissipation plate (3) pressed to provide fins (12) and a series of indented channels (5) which are sealed (6) to form the flow ducts (2) and fitted with bends and inlet (10) and outlet (11) tubes.

Zirkulationsvorrichtung für ein Fluid mit konstanter Temperatur

... [Aufgabe] Die Verbesserung der Kühleffizienz eines luftgekühlten Kondensators für die Kühlkapazität einer Kühlkreislaufeinheit für den luftgekühlten Kondensator einer Zirkulationsvorrichtung für Fluid mit konstanter Temperatur. [Mittel zur Lösung der Aufgabe] Anbringen von mehreren Kondensatorabschnitten 40a, 40b in integraler Weise entlang der Strömung des Kühlmittels, das von einem Gebläse zugeführt wird, wobei jeweilige Kondensatorabschnitte eine Einlassleitung 53, über die Kühlmittel einströmt, eine Auslassleitung 54, über die Kühlmittel ausströmt, ein Verbindungsrohr, welches die Einlassleitung 53 mit der Auslassleitung 54 verbindet, mehrere Kondensatorrohre 55 zur Verbindung der Einlassleitung 53 und der Auslassleitung 54 und an den Kondensatorrohr 55 angebrachte Lamellen aufweist, wobei in den mehreren Kondensatorabschnitten 40a, 40b die Einlassleitungen 53 und Auslassleitungen 54 in der gleichen Richtung gerichtet sind. Die leeseitig angeordneten Auslassleitungen 54 der Kondensatorabschnitte ...

PIN TUBE TYPE HEAT EXCHANGER AND AIR CONDITIONER AND REFRIGERATOR USING THE SAME

PASSIVE HEAT EXCHANGER WITH SINGLE MICROCHANNEL COIL

The present disclosure provides materials and methods related to passive cooling systems. In particular, the present disclosure provides a condensorator heat exchanger with a single microchannel coil that integrates the evaporator and condenser into one assembly. The passive heat exchanger systems of the present disclosure provide enhanced cooling capacity and airflow in environments ranging from outdoor electronic enclosures to commercial and residential buildings.

ADJUSTABLE MULTI-PASS HEAT EXCHANGER

In various implementations, an air conditioner may include a heat exchanger having one or more flow paths. At least one of the flow paths may be associated with more than one pass and/or fluid flow through the flow path may be restricted. A setting of the heat exchanger may include associations between flow path(s) and/or pass(es). A setting for the heat exchanger may be determined and the heat exchanger may be allowed to operate in the determined setting, in some implementations.

RETRO-FIT ENERGY EXCHANGE SYSTEM FOR TRANSPARENT INCORPORATION INTO A PLURALITY OF EXISTING ENERGY TRANSFER SYSTEMS

A controller connectable to a plurality of energy sources, energy demands and energy transfer units is contemplated. The controller is configurable to dynamically route excess energy from different sources to different demands via the energy transfer unit(s).

CONDENSING UNIT DESUPERHEATER

A condensing unit has a fan selectively operable to draw air through the condensing unit along an airflow path, a first row of condenser tubes disposed along the airflow path, and a second row of desuperheater tubes disposed along the airflow path downstream relative to the first row of condenser tubes. A condensing unit has an airflow path, a desuperheater heat exchanger disposed along the airflow path, and a condenser heat exchanger disposed along the airflow path. A method of desuperheating a refrigerant includes causing air having a first air temperature to encounter a condenser tube comprising refrigerant having a first refrigerant temperature, raising the temperature of the air to a second air temperature, and causing the air having the second air temperature to encounter a desuperheater tube comprising refrigerant having a second refrigerant temperature higher than the first refrigerant temperature.

Heat exchanger

Air conditioner

EXCHANGER TUBULAR BEAM OF FINS DETACHABLE

CALORY RECUPERATOR, DESIGNED FOR USE IN A CORROSIVE AND, DUSTING OR

적층형 헤더, 열교환기, 및, 공기 조화 장치

... 본 발명에 관한 적층형 헤더(2)는, 복수의 제1 출구유로(11A)와, 복수의 제1 입구유로(11B)가 형성된 제1 판형상체(11)와, 제1 판형상체(11)에 적층되고, 제2 입구유로로부터 유입하는 냉매를 복수의 제1 출구유로(11A)에 분배하여 유출하는 분배유로의 적어도 일부와, 복수의 제1 입구유로(11B)로부터 유입하는 냉매를 합류하여 제2 출구유로에 유출하는 합류유로의 적어도 일부가 형성된 제2 판형상체(12)를 구비하고, 제1 판형상체(11) 또는 제2 판형상체(12)는, 제1 입구유로(11B)에 유입하는 냉매가 통과하는 유로와, 제2 입구유로에 유입하는 냉매가 통과하는 유로가 형성된 적어도 하나의 판형상 부재를 가지며, 판형상 부재의, 제1 입구유로(11B)에 유입하는 냉매가 통과하는 유로와, 제2 입구유로에 유입하는 냉매가 통과하는 유로 사이의 적어도 일부에, 관통부 또는 오목부가 형성된 것이다.

HEAT EXCHANGER AND SEPARATING METHOD FOR SECTIONAL STEAM-LIQUID PHASE CHANGING HEAT EXCHANGER

A separating method for sectional steam-liquid phase changing heat exchanger and a heat exchanger are disclosed and the method includes: 1) a direct communication header is respectively set at both ends of at least one group of heat exchanging tubes, and multiple leakage and steam-blocking devices are alternately set in two headers and embedded in the headers; the headers are divided into multiple liquid separation spaces, which are sequentially connected; at least an equivalent main aperture and multiple equivalent auxiliary apertures are set at the leakage and steam-blocking device; 2) when the liquid separation space has less collecting liquid, liquid films formed in the main aperture and auxiliary apertures can block the liquid from entering next liquid separation space of the header at the same end; 3) when the liquid separation space has more collecting liquid, the collecting liquid will first drain off from the main aperture that has bigger diameter and the auxiliary apertures that ...

PROTECTIVE WRAPPING DEVICE FOR A CONDENSER TUBE

A protective wrapping device adapted for shielding a condenser tube of a heat exchanger includes two shell walls configured to complementarily mate with each other and to wrap around the tube for heat removal and for preventing formation of water scales on the tube. A plurality of tightening members are disposed to secure the shell walls to the tube. When the tightening members are released from the shell walls, the shell walls can be detached from the tube for cleaning.

Condenser coil holder for water heater

A condenser coil holder apparatus comprises a first portion formed to have a shape that is at least substantially complementary to a shape of a bottom surface of a water storage tank of a water heater so as to hold a condenser coil against the bottom surface of the water storage tank of the water heater when assembled. The condenser coil holder apparatus also comprises a second portion formed as a base for the first portion.

Plate heat exchanger with enhanced surface features

A plate heat exchanger includes a plurality of plates for providing a flow path for two fluids. The plate heat exchanger has an inlet and an outlet for each of the two fluids, wherein facing surfaces of two adjacent plates of the plurality of plates defines a flow path for a first fluid. The opposite surface of one of the two adjacent plates and a facing surface of another adjacent plate from the plurality of plates provides a flow path for a second fluid. The first fluid and the second fluid flowing along their respective flow paths are maintained in thermal communication with each other. A plurality of surface features associated with at least a portion of one surface of at least one of the plates provides enhanced heat transfer between the two fluids passing along adjacent plates.

Multichannel Heat Exchanger With Dissimilar Multichannel Tubes

Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided which include dissimilar internal configurations. The heat exchangers include multiple sets of multichannel tubes in fluid communication with each other. One set of multichannel tubes contains flow channels of one shape and size while the another set of multichannel tubes contains flow channels of a different shape and/or size. The dissimilar flow channels within the multichannel tube sets allow each set of tubes to be configured to the properties of the refrigerant flowing within the tubes.

WATER COOLED MICROCHANNEL CONDENSER

The present application provides a condenser (300; 400) for a cascade refrigeration system (100). The condenser may include an outer shell (310; 410), a microchannel coil (330), an ammonia refrigerant (170) flowing through the microchannel coil, and a water based coolant flowing through the outer shell for heat exchange with the ammonia refrigerant.

SKIN CONDENSER DESIGN INTEGRATED IN THE REFRIGERATOR BACK

A VAPOR COMPRESSION HEAT TRANSFER SYSTEM

Wärmetauscher

Ein Wärmetauscher (10) umfasst eine Innenlamelle (80), die in einem Kältemitteldurchgang (60) angeordnet ist. Die Innenlamelle weist Seitenwandabschnitte (81) auf, die ausgebildet sind, um sich in einer vorbestimmten Richtung zu erstrecken und parallel zueinander angeordnet sind. Ein zwischen den einander zugewandten Seitenwandabschnitten gebildeter Spalt ist ein Durchgangsabschnitt (83), durch den das Kältemittel strömt. Jeder der Seitenwandabschnitte weist eine Vielzahl von Öffnungen (84) auf, die in der vorbestimmten Richtung angeordnet sind. In einem Teil des Seitenwandabschnitts, der sich zwischen den einander benachbarten Öffnungen befindet, ist eine in Bezug auf die vorbestimmte Richtung geneigte Fläche (85) ausgebildet.

Kondensator

Kondensator (1, 1'), insbesondere kühlmittelgekühlter Kondensator (1, 1'), bestehend aus zumindest einem Rohr-/Rippenblock (2) mit mehreren Flachrohren (3, 3'), wobei jedes Flachrohr (3, 3') eine Mehrzahl von in Rohrquerrichtung nebeneinanderliegend verlaufende, einen kältemittelseitigen hydraulischen Durchmesser (Dh Kältemittel) definierende, Strömungskanäle (10, 11, 12, 13, 14, 15, 21) aufweist, und wobei im Bereich der Flachrohre (3, 3') zumindest jeweils ein, einen kühlmittelseitigen hydraulischen Durchmesser (Dh Kühlmittel) definierendes, Zwischenelement (4) angeordnet ist, dadurch gekennzeichnet, dass das Verhältnis der beiden hydraulischen Durchmesser (Dh Kühlmittel) zu (Dh Kältemittel) größer (>) 1,3 beträgt.

Closed refrigeration circuit condenser which has the serpentine channel for the refrigerant integrally formed in the finned backplate

The condenser for a refrigeration circuit has a heat dissipation plate (3) pressed to provide fins (12) and a series of indented channels (5) which are sealed (6) to form the flow ducts (2) and fitted with bends and inlet (10) and outlet (11) tubes.

Verdampfer/Verflüssiger für Wärmepumpe

WÄRMEPUMPE

EVAPORATOR OR EVAPORATOR/CCONDENSOR

Heat exchanger and air-conditioning apparatus

According to the present invention, a heat exchanger 1 is provided with: a main heat exchange unit 10 which has a plurality of first heat transfer pipes 11 arranged in parallel; an auxiliary heat exchange unit 20 which has a plurality of second heat transfer pipes 21 arranged in parallel; and a relay portion 40 which connects the first heat transfer pipes 11 and second heat transfer pipes 21 and in which a plurality of relay channels 40A are formed. The relay channels 40A, in which one inlet portion 40Aa is connected to one of the second heat transfer pipes 21 and a plurality of outlet portions 40Ab are connected to the first heat transfer pipes 11, distributes a refrigerant, which flows in from one inlet portion 40Aa, without causing the refrigerant to merge, and discharges said refrigerant from the outlet portions 40Ab.

Forced convection heat exchanger for a refrigeration appliance

The present invention relates to a refrigeration appliance having a compressor for effecting the refrigeration cycle, a heat exchanger (1) for condensing the refrigerant fluid through refrigerant flow tubes (2) in serpentine form where the refrigerant flow is provided, said heat exchanger (1) being disposed against a fan (3) that is structurally integrally provided to effect forced heat convection for cooling said heat exchanger (1) by blowing air thereon.

Method of both cooling and maintaining the uniform temperature of an extended object

A general method of cooling and maintaining the uniform temperature of an extended structure is provided with specific application discussed of keeping a superconducting coil at cryogenic temperatures in the presence of external heat loads that may be variable in space and time. The approach embeds the structure to be cooled ( 208 ) into the vapor space ( 108 ) of a heat pipe assembly ( 202 ), which consists of an outer wall ( 116 ), a fluid wicking mechanism ( 110, 114 ), thermal insulation ( 118 ) and a mechanism for heat extraction, such as the cold tip ( 206 ) of a cryocooler ( 204 ).

Direct expansion evaporator

A direct expansion evaporator includes an inner guiding duct defining a feeding channel for guiding raw material, and an outer guiding duct enclosing the inner guiding duct therewithin to form a heat exchange channel between the outer and inner guiding ducts for guiding refrigerant flowing along the heat exchange channel to heat-exchange with the raw material along the feeding channel, wherein a helix indention is formed at the outer guiding duct to form the heat exchange channel partitioned by a helix partition, wherein a peak of the helix partition is biased against an outer surrounding wall of the inner guiding duct to conceal the heat exchange channel along the inner guiding duct in a weld-less manner.

Heat Exchanger Plate and Evaporator Comprising Same

The invention relates to a heat exchanger plate for an evaporator; with a longitudinal axis and a transverse axis, with the transverse axis being disposed perpendicularly or substantially perpendicularly to the longitudinal axis; with at least one flow channel which extends in the direction of the longitudinal axis of the heat exchanger plate through a heat supply area of the heat exchanger plate and conducts the medium to be evaporated; with an inlet for the medium to be evaporated, which inlet is in a flow-conducting connection with the at least one flow channel arranged in the direction of the longitudinal axis of the heat exchanger plate, with a meandering inflow channel being provided in the direction of the longitudinal axis between the inlet and the at least one flow channel arranged in the direction of the longitudinal axis, which inflow channel is in a flow-conducting connection with the inlet and the at least one flow channel, and conducts the medium which flows out of the inlet to the at least one flow channel in an alternating manner along the transverse axis in the direction of the at least one flow channel. The invention is characterized in that the meandering inflow channel is formed by a plurality of webs which are disposed on the heat exchanger plate or a base plate which forms the bottom or top of the inflow channel and the at least one flow channel arranged in the direction of the longitudinal axis, which webs extend in the direction of the transverse axis, and the inflow channel between the webs is subdivided into individual partial channels by a plurality of plates which extend in the direction of the transverse axis.

Condenser with capillary cooling device

A condenser with capillarity cooling devices provides a condenser that has a plurality of cooling fins with a wick structure and a plurality of capillary water absorption layers of which the lower section is submerged in the water of a water reservoir provided underneath. Through capillarity and the characteristic of the capillary water absorption layers, water will be brought upward to moisturize the fins. When the water evaporates, a great amount of heat will be extracted from the fins, so as to increase the thermal efficiency of the condenser. Further, a pre-wetting water pipe is included, so that when an air conditioner is switched on and the condenser is started, the pre-wetting water pipe moisturizes the capillary water absorption layers immediately, and such moisture extends to the overall wick structures of fins. This will make evaporation take place instantly and thermal efficiency of condenser is increased.

Heat exchanger, refrigeration cycle device equipped with heat exchanger, or heat energy recovery device

A plurality of heat-exchanger tubes, each of which has an inlet fin formed on a side surface on the air inlet side of a flattened hollow tube and extending upstream of air along the flow of air and an outlet fin formed on the side surface on the air outlet side of the hollow tube and extending downstream of the air along the flow of the air are arranged at regular intervals in such a manner that their oblong planes face one another, an upper header which supplies a first heat exchange medium is attached on top of the heat-exchanger tubes, and an lower header which collects the first heat exchange medium is attached at the bottom of the heat-exchanger tubes to form a heat exchanger.

Fin-coil design for a dual suction air conditioning unit

An evaporator system that includes: a first evaporator coil at a first evaporator temperature and pressure; a second evaporator coil at a second evaporator temperature and pressure that is less than the first evaporator temperature and pressure where the first evaporator and second evaporator are configured to be thermally disjointed; and a plurality of thermally conductive spaced apart evaporator fins having a plurality of spaced apart thermal break portions positioned between the first evaporator coil and the second evaporator coil that thermally disjoin the first evaporator and the second evaporator.

Temperature control system

The temperature control system of the present invention is a temperature control system for recovering reaction heat inside a reactor in which an exothermic reaction takes place, thereby controlling a temperature inside the reactor. The temperature control system is provided with a coolant drum in which a liquid coolant is accommodated in a vapor-liquid equilibrium state, a heat removing unit which is disposed on the reactor to internally circulate the liquid coolant supplied from the coolant drum, a temperature determining unit which determines a temperature inside the reactor, and a pressure controller which controls pressure inside the coolant drum. The pressure controller controls the pressure inside the coolant drum based on a difference between an actual temperature inside the reactor determined by the temperature determining unit and a preset temperature value inside the reactor, thereby controlling the temperature of the liquid coolant inside the coolant drum.

APPARATUS AND METHOD FOR PROTECTING THE TUBE-SHEET OF A SYNGAS LOOP BOILER

A syngas loop boiler includes a casing that surrounds a tube bundle, wherein the tube bundle includes a plurality of tubes. One end of each of the tubes is joined to a tube-sheet provided with corresponding tube-sheet inlet holes for inletting the syngas in the boiler, wherein each tube-sheet inlet hole is internally provided with at least a protective sleeve welded at both ends to corresponding surfaces of the tube-sheet inlet hole. Each tube-sheet inlet hole is provided with a first respective weld overlay placed at the inlet mouth of the tube-sheet inlet hole, so that a first end of each protective sleeve is welded to the first weld overlay. Each tube-sheet inlet hole is internally provided with at least a bore groove that contains a respective in-bore second weld overlay, so that the second end of the protective sleeve is welded to the in-bore second weld overlay. Each protective sleeve is thus welded at both ends to respective weld overlays, with the possibility of removal and re-installation without performing any post weld heat treatment. 1. A syngas loop boiler comprising a casing that surrounds a tube bundle ,wherein said tube bundle comprises a plurality of tubes,wherein one end of each of the tubes is joined to a tube-sheet provided with corresponding tube-sheet inlet holes for inletting the syngas in the boiler,wherein each tube-sheet inlet hole is internally provided with at least a protective sleeve welded at both ends to corresponding surfaces of said tube-sheet inlet hole,wherein each tube-sheet inlet hole is provided with a first respective weld overlay placed at the inlet mouth of said tube-sheet inlet hole, so that a first end of each protective sleeve is welded to said first weld overlay, andwherein each tube-sheet inlet hole is internally provided with at least a bore groove that contains a respective in-bore second weld overlay, so that the second end of the protective sleeve is welded to said in-bore second weld overlay.2. The syngas loop ...

A METHOD FOR HEATING CRUDE

A method for heating one or more streams from a refinery process, chosen from the group of crude tower inlet, vacuum tower inlet, catalytic reformer inlet, coker inlet, thermal cracker inlet and hydrocracker inlet. The method includes transferring, in a heat exchanger, heat from one or more streams from a petro-chemistry process, chosen from the group of a steam cracker charge gas, propane dehydrogenation charge gas and butane dehydrogenation charge gas to said one or more streams from a refinery process for obtaining one or more heated streams in which the temperature of said one or more streams from petro-chemistry process is above the temperature of said one or more streams from a refinery process before said step of heat exchanging has taken place. 1. A method for heating one or more streams from a refinery process , chosen from a crude tower inlet , a vacuum tower inlet , a catalytic reformer inlet , a coker inlet , a thermal cracker inlet and a hydrocracker inlet , said method comprising a step of transferring , in a heat exchanger , heat from one or more streams from a petro-chemisty process , chosen from a steam cracker charge gas , a propane dehydrogenation charge gas and a butane dehydrogenation charge gas to said one or more streams from a refinery process for obtaining one or more heated streams , wherein the temperature of said one or more streams from the petro-chemistry process is above the temperature of said one or more streams from a refinery process before said step of heat exchanging has taken place.2. The method according to claim 1 , wherein the crude tower inlet is heated by transferring claim 1 , in a heat exchanger claim 1 , heat from the steam cracker charge gas to said crude tower inlet for obtaining a heated crude tower inlet.3. The method according to claim 2 , wherein said step of heating further comprises a step of additionally heating said crude tower inlet in a crude furnace claim 2 , wherein said step of additionally heating takes ...

EVAPORATOR FOR WATER HEATING DEVICE

The disclosed technology includes an evaporator having a plurality of sidewalls arranged to define an internal cavity and a top plate covering the internal cavity. At least one of the sidewalls can include a plurality of refrigerant channels such that at least one of the sidewalls can function as a heat exchanger. Each of the refrigerant channels can be attached to a refrigerant inlet and a refrigerant outlet at an angle, such that each refrigerant channel is angled. The angled refrigerant channels can facilitate directing ambient air across the refrigerant channels and fins and to the internal cavity. The angled refrigerant channels can further provide a flow path for accumulated moisture and/or condensate on the exterior surfaces of the refrigerant channels and/or fins to shed, thereby minimizing the potential for freezing. 1. An evaporator comprising:a plurality of sidewalls arranged to define an internal cavity, at least one of the sidewalls including a plurality of refrigerant channels configured to transport refrigerant therethrough; anda top plate covering the internal cavity.2. The evaporator of claim 1 , wherein the top plate comprises an aperture configured to receive a fan.3. The evaporator of claim 1 , wherein each refrigerant channel includes a plurality of ports claim 1 , each port configured to provide a refrigerant flow path from a refrigerant inlet to a refrigerant outlet.4. The evaporator of claim 1 , wherein each refrigerant channel is angled such that ambient air is directed across the plurality of refrigerant channels and into the internal cavity.5. The evaporator of claim 4 , wherein each refrigerant channel is angled upward and radially inward toward a center of the internal cavity.6. The evaporator of claim 5 , wherein each refrigerant channel is angled upward and radially inward toward the center of the cavity at a degree of between approximately 5 degrees and approximately 30 degrees.7. The evaporator of claim 5 , wherein each refrigerant ...

Defroster and refrigerator having same

The present invention discloses a defroster comprising: a heating unit having a heater case arranged vertically along an up-down direction on the outside of an evaporator, and a heater disposed vertically in the up-down direction inside the heater case; and a heat pipe respectively connected to an outlet provided at the top side of the heating unit and an inlet provided at the bottom side of the heating unit, and having at least a portion thereof disposed adjacent to the refrigerant pipe of the evaporator so that working fluid heated by the heater moves and transfers heat to the evaporator to remove frost, wherein the heater is configured to be immersed beneath the surface of the working fluid when all the working fluid in the heat pipe is in a liquid state.

REGENERATIVE COOLING METHOD AND APPARATUS

A method of cooling a liner in a plasma chamber. A recycle gas is contacted with or passed through the liner to cool the liner and pre-heat the recycle gas. The pre-heated gas is then recycled through the plasma chamber to become part of the plasma forming process. The method further comprises the liner is graphite, the recycle gas passes through at least one cooling channel present in the liner, at least one of the cooling channels are covered with at least one removable liner/channel cover, carbon deposits are formed from the presence of hydrocarbons in the recycle gas, at least one channel is formed in a spiral cooling channel pattern, at least one channel is formed in a substantially straight cooling channel pattern, and a plenum to aid in the production of an even distribution of cooling gas in the channels. 1. A method of cooling a liner in a plasma chamber comprising , contacting the liner with or passing through the liner , at least one recycle gas to be used to create the plasma in the plasma chamber , to cool the plasma chamber liner and pre-heat the recycle gas , and returning the pre-heated recycle gas to the plasma chamber to create the plasma.2. The method of wherein the liner is graphite.3. The method of claim 1 , wherein the recycle gas passes through at least one cooling channel present in the liner.4. The method of claim 3 , wherein at least one of the cooling channels are covered with at least one removable liner/channel cover.5. The method of claim 4 , wherein the cover is removed to remove any carbon deposits in the channels.6. The method of claim 5 , wherein the carbon deposits are formed from the presence of hydrocarbons in the recycle gas.7. The method of claim 3 , wherein at least one channel is formed in a spiral cooling channel pattern.8. The method of claim 3 , wherein at least one channel is formed in a substantially straight cooling channel pattern.9. The method of claim 3 , including more than one channel.10. The method of claim 9 , ...

REFRIGERATOR

A refrigerator may include a cabinet defining a low-temperature storage space and a machine chamber in which a compressor and a condenser are disposed; and an evaporator disposed in rear of the storage space, wherein air flows upwards along the evaporator and thus cools down to lower a temperature of the storage space. The evaporator may include a cooling pipe in and along which refrigerant flows; and a plurality of cooling fins surrounding an outer face of the cooling pipe. The cooling pipe may be constructed so that the refrigerant flows downward along and in the cooling pipe. 1. A refrigerator comprising:a cabinet configured to define a storage space and a machine chamber; andan evaporator disposed at the storage space, wherein the evaporator is configured such that air is to flow upwards through the evaporator and thus to lower a temperature of the storage space, a cooling pipe configured to allow refrigerant to flow from an inlet to an outlet; and', 'a plurality of cooling fins surrounding an outer face of the cooling pipe,', 'wherein the cooling pipe is configured such that the refrigerant is to flow downward in the cooling pipe from the inlet to the outlet., 'wherein the evaporator includes2. The refrigerator of claim 1 , wherein the cooling pipe includes:a plurality of horizontal extending portions configured such that the horizontal extending portions are arranged and spaced apart from each other in a vertical direction; anda plurality of bent portions configured such that each of the bent portions is separately connecting adjacent horizontal extending portions to each other, a plurality of first horizontal extending portions configured such that the first horizontal extending portions are arranged in a first column; and', 'a plurality of second horizontal extending portions configured such that the second horizontal extending portions are arranged in a second column and are spaced from the first horizontal extending portions, wherein the first column is ...

HEAT EXCHANGER AND METHOD FOR MANUFACTURING SAME

The heat exchanger includes at least one tube array in which refrigerant flows, the tube array includes a plurality of tubes each having a channel formed therein, and connection members coupled to opposite ends of the tubes so as to interconnect the tubes, and the tubes are injection molded integrally with the connection members. 1. A heat exchanger comprising at least one tube array in which refrigerant flows , wherein the tube array comprises:a plurality of tubes each having a channel formed therein; andconnection members coupled to opposite ends of the tubes so as to interconnect the tubes, andwherein the tubes are injection molded integrally with the connection members.2. The heat exchanger according to claim 1 , wherein the tubes and the connection members are made of a polymeric material.3. The heat exchanger according to claim 1 , further comprising headers coupled to opposite ends of the tube array.4. The heat exchanger according to claim 3 , wherein:the headers comprise main headers respectively coupled to the opposite ends of the tube array; andthe main headers are injection molded so as to be coupled to the opposite ends of the tube array.5. The heat exchanger according to claim 4 , wherein:the tube array comprises a plurality of tube arrays arranged in parallel; andthe main headers are injection molded so as to be coupled to opposite ends of the tube arrays to form a tube assembly configured by interconnecting the tube arrays.6. The heat exchanger according to claim 4 , wherein the main headers are made of a polymeric material.7. The heat exchanger according to claim 4 , wherein:the main headers are injection molded so as to be coupled to the connection members; andeach of the connection members is formed, at an outer surface thereof, with at least one refrigerant leakage prevention groove recessed inward of the connection member.8. The heat exchanger according to claim 4 , wherein:each of the headers further comprises a sub-header coupled to an outer ...

Condenser

An inlet member having a refrigerant inflow passage which is open at opposite ends is joined to a condensation section inlet header of a condenser. An opening at one end of the refrigerant inflow passage serves as an inflow opening into which externally supplied refrigerant flows, and an opening at the other end serves as an outflow opening from which refrigerant flows out to the condensation section inlet header. The condensation section inlet header has an opening at a position offset from the longitudinal center toward the one end thereof. The inlet member has an insert portion which is inserted into the condensation section inlet header through the opening. The outflow opening of the refrigerant inflow passage is open to a single upward facing flat surface of the insert portion, and is oriented such that the refrigerant flows toward the longitudinal center of the condensation section inlet header.

DISTRIBUTOR AND HEAT EXCHANGER

A distributor includes a first member having a plurality of first through holes spaced apart from each other in the first direction, a second member having a first groove facing each of the plurality of first through holes, and a third member having at least one second groove facing at least one of the plurality of first through holes. The first groove extends in the first direction. The first space inside a groove is connected to a second space inside at least one second groove through a third space inside each of the plurality of first through holes. The third space is higher in flow path resistance than the first space and the second space. 1. A distributor configured to distribute refrigerant to each of a plurality of heat transfer tubes extending in an up-down direction , the plurality of heat transfer tubes being spaced apart from each other in a first direction crossing the up-down direction , the distributor comprising:a first member having a plurality of first through holes spaced apart from each other in the first direction;a second member having a first groove facing each of the plurality of first through holes; anda third member having at least one second groove provided to face at least one of the plurality of first through holes, whereinthe first groove extends in the first direction,a first space inside the first groove and a second space inside the at least one second groove are connected to each other through a third space inside each of the plurality of first through holes, andthe third space is higher in flow path resistance than the first space and the second space,a length of an opening end of the first groove in a second direction crossing the up-down direction and the first direction is longer than an inner diameter of each of the plurality of the first through holes in the second direction.2. The distributor according to claim 1 , whereinthe third member is provided with a plurality of second grooves spaced apart from each other in the first ...

Heat exchanger, refrigeration cycle apparatus, and method of manufacturing heat exchanger

A heat exchanger includes a plurality of fins spaced apart from each other such that gas flows therebetween, and a plurality of heat transfer tubes extending through the plurality of fins and joined to the plurality of fins by tube expansion. The heat transfer tubes are arranged in five or more columns along a flow direction of the gas and staggered in a row direction intersecting the flow direction of the gas. Each of the plurality of fins is flat and plate-shaped and continuously extends between the heat transfer tubes in the flow direction of the gas. The plurality of heat transfer tubes satisfy relationships of 1.055 D≦Da≦1.068 D and 1.56 Da≦L≦2.58 Da, where D is an unexpanded outside diameter of the heat transfer tubes, Da is an expanded outside diameter thereof, and L is a distance between centers of adjacent two heat transfer tubes.

Cyclonic Cooling System

Fractionation, the process used by refineries to break down carbon chains of petroleum compounds so that the desired carbon compound can be achieved. This process typically involves high heat, distillation, re-boiling, and energy intensive cooling processes. This application discloses an invention that will condense vapor produced by a pyrolysis reactor. This system uses one standard cyclone; three cascading cyclones with internal cyclonic rotation fins that force incoming vapor to maintain a fixed amount of rotation regardless of the vapor's velocity, heat sinks that increase condensation, reversing fins that force gases to reverse direction inside the cyclone decreasing vapor velocity to increase heat loss; a main collection tank that allows for the controlling of the fuel flash point; a compact low temperature coil cooler that uses 100 percent of the cooling surface that allows for the production of higher quality fuel; and, bubblers/scrubbers that produce back pressure into the pyrolysis reactor.

METAL FOAM HEAT EXCHANGERS FOR AIR AND GAS COOLING AND HEATING APPLICATIONS

Improved heat exchangers according to several embodiments are provided. The heat exchangers provide improved heat transfer for air flow in wet and dry operating conditions, while minimizing pressure drop across the heat exchanger in some applications. According to one embodiment, an improved heat exchanger includes a plurality of metal foam fins between adjacent heat exchange conduits, the heat exchange conduits being arranged parallel to each other to define parallel flow paths between an inlet header and an outlet header. The metal foam fins occupy a cross-flow region between adjacent conduits, the fins having a fixed angular orientation or being rotatable in unison to vary the thermal capacitance of the heat exchanger. 1. A heat exchanger comprising:a plurality of flow conduits in fluid communication with an inlet header and an outlet header, the plurality of flow conduits including first and second flow conduits extending parallel to each other and defining a first cross-flow region therebetween; anda first plurality of fins disposed in the first cross-flow region between the first flow conduit and the second flow conduit, the first plurality of fins being formed from metal foam and being spaced apart from each other and having a common angular orientation.2. The heat exchanger of wherein the common angular orientation of the first plurality of fins is a non-zero angle defined between a flow direction of an incoming fluid flow and an axis connecting a proximal edge and a distal edge of each of the plurality of fins.3. The heat exchanger of wherein the angular orientation of each of the first plurality of fins is adjustable between 0 degrees and 90 degrees.4. The heat exchanger of wherein the plurality of flow conduits includes a third conduit extending parallel to the second conduit to define a second cross-flow region therebetween claim 1 , the heat exchanger further including a second plurality of fins disposed in the second cross-flow region claim 1 , wherein ...

DOSING MODULE HAVING A TEMPERATURE-CONTROLLABLE DOSING DEVICE, AND METHOD FOR CONTROLLING THE TEMPERATURE OF A DOSING DEVICE

The invention relates to a metering module (), in particular for a process plant having a modular construction, having a metering system () for metering a fluid, a housing () which at least partly accommodates the metering system () and also a temperature control device for controlling the temperature of the interior of the housing (), wherein the temperature control device has a plate heat exchanger () and at least a part of the housing () is formed by at least one plate structure () of this plate heat exchanger (), in particular by at least one so-called heat exchanger plate. The invention also relates to a process plant having a modular construction for the production of a chemical and/or pharmaceutical product having such a metering module () and to a method for controlling the temperature of a metering device () for metering liquids. 1. Metering module , optionally for a process plant having a modular construction , having a metering system for metering a fluid , a housing which at least partly accommodates the metering system and also a temperature control device for controlling the temperature of the interior of the housing , wherein the temperature control device has a plate heat exchanger and at least part of the housing is formed by at least one plate structure of this plate heat exchanger , optionally by at least one heat exchanger plate.2. Module according to claim 1 , wherein the metering system has a plurality of system components which are fluidically connected to one another via a piping system.3. Module according to claim 2 , wherein at least one system components of the metering system is fastened directly to the or to at least one of the plate structures of the plate heat exchanger which form the part of the housing.4. Module according to claim 2 , wherein at least a part of the pipes of the piping system is configured as media-temperature-controllable pipes and/or at least one of the system components is media-temperature-controllable.5. Module ...

HEAT EXCHANGER

A heat exchanger includes a first stack portion and a second stack portion. The first stack portion has a plurality of plates which are stacked, and a first refrigerant passage and a first coolant passage are formed between the plurality of plates. The second stack portion has a plurality of receiver components which are stacked, and a refrigerant retaining portion leading to the first refrigerant passage is formed in the plurality of receiver components. The second stack portion is stacked on the first stack portion in the same direction as a stacking direction in which the plurality of plates are stacked. 1. A heat exchanger comprising:a first stack portion including a plurality of plates which are stacked, a first refrigerant passage and a first coolant passage being formed between the plurality of plates;a second stack portion including a plurality of receiver components which are stacked, a refrigerant retaining portion leading to the first refrigerant passage being formed in the plurality of receiver components, the second stack portion being stacked on the first stack portion in the same direction as a stacking direction in which the plurality of plates are stacked; anda third stack portion for subcooling including a plurality of subcool plates which are stacked, a second refrigerant passage for subcooling and a second coolant passage for subcooling being formed between the plurality of subcool plates, the third stack portion being further stacked on one of the first stack portion and the second stack portion, which are stacked.2. The heat exchanger according to claim 1 , wherein each of the plurality of receiver components has a plate shape or a window frame shape.3. The heat exchanger according to claim 2 , wherein a size of each of the plurality of plates in the stacking direction of the plurality of plates is identical to a size of each of the plurality of receiver components in a stacking direction in which the plurality of receiver components are ...

Multi-Stage Circulating Fluidized Bed Syngas Cooling

A method and apparatus for cooling hot gas streams in the temperature range 800° C. to 1600° C. using multi-stage circulating fluid bed (CFB) coolers is disclosed. The invention relates to cooling the hot syngas from coal gasifiers in which the hot syngas entrains substances that foul, erode and corrode heat transfer surfaces upon contact in conventional coolers. The hot syngas is cooled by extracting and indirectly transferring heat to heat transfer surfaces with circulating inert solid particles in CFB syngas coolers. The CFB syngas coolers are staged to facilitate generation of steam at multiple conditions and hot boiler feed water that are necessary for power generation in an IGCC process. The multi-stage syngas cooler can include internally circulating fluid bed coolers, externally circulating fluid bed coolers and hybrid coolers that incorporate features of both internally and externally circulating fluid bed coolers. 1. A multi-stage syngas cooler system for cooling high temperature syngas from a coal gasifier , the system comprising:a dense fluid bed with a cooling system in communication with an inlet syngas stream; andmultiple stages of internally circulating fluidized bed coolers in series.2. The multi-stage syngas cooler system of claim 1 , wherein the syngas is successively cooled in different stages to temperatures appropriate for generating desired steam and boiler feedwater conditions with heat transfer surfaces imbedded in fluidized and internally circulating beds.3. The multi-stage syngas cooler system of further comprising:a riser where the syngas mixes and transfer heat energy to circulating bed of solids;a disengagement section to disengage the syngas from the circulating bed of solids;an annular space for circulating solids to flow down and transfer heat to imbedded heat transfer surfaces;an aeration and seal mechanism to control the flow of circulating solids into the riser section; anda cone section that facilitates internal solids ...

Indirect Gas Cooler

An indirect gas cooler is constructed from stacked pairs of plates with fins arranged in between. The stack is arranged in a housing into which the gas flows, flows through the fins, and leaves the housing again. The gas is in thermal exchange with the liquid that flows in the plate pairs and that is introduced into the plate pairs via at least one inlet and is discharged via at least one outlet. A ventilating member is provided in the stack for discharging entrained gases from the liquid. The ventilating member is formed from aligned plate openings which produce a ventilating duct that is hydraulically connected with a liquid space in the stack. The indirect gas cooler can be used to cool compressed charge air for an internal combustion engine.

DOUBLE PLATED HEAT EXCHANGER

A heat exchanger comprises double-plated material with good heat conductivity and endurance in the shape of drum with convex wall or cylinder or rectangular shape having inlet(s) for first fluid to be cooled to flow into space between the double layer and out through outlet(s). A plurality of heat exchangers are connected through an inlet tubing where first fluid flows into each heat exchanger and flows out through a connecting outlet tubing. Heat exchange is made between the first fluid and large volume of second fluid the heat exchanger immersed in, where the term fluid covering all types of liquids and gases. The present design efficiently allows heat exchange while clogging is avoided. Installation of elements within heat exchanger to cause change in direction of flow of first fluid increases rate of heat transfer. The disclosed heat exchanger is used as condenser in air-conditioner either in building or in vehicle. 1. A heat exchanger comprising double-plated material with good heat conductivity and endurance , having one or more inlet for first fluid to be cooled to flow into space between the double layer and out through one or more outlet.2. The heat exchanger of having a shape of a drum with a convex wall.3. The A heat exchanger of having a shape of a cylinder.4. The heat exchanger of having a shape of a rectangle.5. The heat exchanger of where heat exchange is made between said first fluid and a large volume of a second fluid said heat exchanger is immersed in claim 1 , where the fluid comprises any type of liquids and gases.6. The heat exchanger of installed as a condenser in an air-conditioning system.7. A plurality of the heat exchanger of which are connected through tubing and used as condenser in air-conditioning system.8. The heat exchanger of further comprising one or more element within to change direction of flow of fluid configured to increase rate of heat transfer. The present invention relates to a double plated heat exchanger.Efficient heat ...

Highly modularized cooling system design

A modular cooling system for data center. An airflow section forms a duct for air flow and a plurality of core units are serially attached to each other and to the airflow section. A blower unit is attached to each of the core units. A plurality of motorized dampers are provided: between each of the core units and the airflow unit, in between each two core units, and between each core unit and its corresponding blower unit. A plurality of fluid ports are attached to each of the core units. At least one of the core units is loaded with one or more equipment selected from: air filter, humidifier, dehumidifier, heat exchanger, evaporator, condenser, chiller, computer room air conditioner (CRAC), dry cooler, a cooling tower or other types of cooling equipment. A combination operation of the components on the compartment and the cooling units enables fast deployment and operation.

Heat exchanger and refrigeration cycle apparatus

A heat exchanger is configured such that flat tubes in at least two levels bent or connected to each other at one end in an axial direction of the flat tubes and the flat tubes in at least two columns connected to each other are included in refrigerant passages through which refrigerant flows, and a flow direction of gas is counter to flow of refrigerant through the refrigerant passages in a column direction while the heat exchanger serves as a condenser.

TEMPERATURE CONTROLLED SUPPORT SURFACES FOR SINGLE USE FLEXIBLE WALL SYSTEMS

Disclosed is a jacketed, tiered baffle, bioreactor tank comprising an outer cylindrical-shaped jacket and a cylindrical tank having an inner tank surface defining a chamber configured for supporting a flexible bag disposed within the chamber, and an outer tank surface having tiered baffles configured for routing a heat exchange fluid around the entirety of the outer tank surface, the cylindrical tank disposed axially within the outer cylindrical-shaped jacket. The outer cylindrical-shaped jacket is sealed to the cylindrical tank in a manner sufficient to prevent or minimize loss of the heat exchange fluid. 1. A jacketed , tiered baffle , bioreactor tank comprising:an outer cylindrical-shaped jacket; anda cylindrical tank having an inner tank surface defining a chamber configured for supporting a flexible bag disposed within the chamber, and an outer tank surface having tiered baffles configured for routing a heat exchange fluid around the entirety of the outer tank surface, the cylindrical tank disposed axially within the outer cylindrical-shaped jacket,wherein the outer cylindrical-shaped jacket is sealed to the cylindrical tank in a manner sufficient to prevent or minimize loss of the heat exchange fluid.2. The jacketed claim 1 , tiered baffle claim 1 , bioreactor tank of claim 1 , wherein at least one of the outer cylindrical-shaped jacket and the cylindrical tank comprises a heat conductive material.3. The jacketed claim 1 , tiered baffle claim 1 , bioreactor tank of claim 1 , wherein the tiered baffles define non-linear channels configured to route the heat exchange fluid in a non-linear flow path around the outer tank surface.4. The jacketed claim 3 , tiered baffle claim 3 , bioreactor tank of claim 3 , wherein the cylindrical tank includes at least one integral baffle forming a protrusion into the chamber such that when the flexible bag is disposed within the chamber claim 3 , a fluid within the flexible bag is baffled by the at least one baffle; andwherein ...

Refrigeration system with phase change material heat exchanger

The present application provides a refrigeration system. The refrigeration system may include a compressor and a condenser downstream of the compressor. The condenser may include a refrigerant tube, an outer jacket surrounding the refrigerant tube, and a phase change material positioned between the refrigerant tube and the outer jacket and in contact with the refrigerant tube.

FLOW BALANCER AND EVAPORATOR HAVING THE SAME

The present invention relates to a flow balancer for an evaporator, comprising: a permeable assembly comprising at least one gas- and fluid-permeable plate and located above a heat exchange tube bundle of the evaporator; a sealing assembly disposed on a periphery of the permeable assembly and constructed to be nonpermeable to gas and fluid; and a mounting assembly constructed to support the permeable assembly and the sealing assembly. The present invention also relates to an evaporator comprising the flow balancer. The flow balancer of the present invention has the advantages of simple structure and convenient manufacturing and mounting, can balance the pressure distribution above the heat exchange tube bundle, and can achieve a more even distribution of the refrigerant liquid level in the length direction of the heat exchange tube bundle. 1. A flow balancer for an evaporator , comprising:a permeable assembly comprising at least one gas- and fluid-permeable plate and located above a heat exchange tube bundle of the evaporator;a sealing assembly disposed on a periphery of the permeable assembly and constructed to be nonpermeable to gas and fluid; anda mounting assembly constructed to support the permeable assembly and the sealing assembly.2. The flow balancer according to claim 1 , wherein the permeable assembly comprises a first plate claim 1 , a second plate claim 1 , and a first steel angle member for spacing the first plate apart from the second plate claim 1 , the second plate being disposed on the first plate and spaced apart from the first plate at a first distance.3. The flow balancer according to claim 2 , wherein the first plate and the second plate are provided with a plurality of circular claim 2 , elliptical claim 2 , triangular claim 2 , or polygonal through holes.4. The flow balancer according to claim 3 , wherein the through holes on the first plate and the second plate are constructed to be at least partially staggered from each other in a vertical ...

HEAT TRANSFER PIPE AND HEAT EXCHANGER FOR CHILLER

A heat transfer pipe includes an outer pipe having a space therein and extending a first direction, a core disposed in the space inside the outer pipe, defining a refrigerant flow space through which a refrigerant flows between an inner surface of the outer pipe and the core, and extending in the first direction, and a resistor disposed in the refrigerant flow space and having a spiral shape with a central axis disposed to be parallel to the first direction. 1. A heat transfer pipe comprising:an outer pipe having a space therein and extending a first direction;a core disposed in the space inside the outer pipe, defining a refrigerant flow space through which a refrigerant flows between an inner surface of the outer pipe and the core, and extending in the first direction; anda resistor disposed in the refrigerant flow space and having a spiral shape advancing in the first direction while turning around the core.2. The heat transfer pipe of claim 1 , wherein a cross section of the resistor includes at least one of a circle claim 1 , an ellipse claim 1 , and a polygon.3. The heat transfer pipe of claim 1 , wherein the resistor has a spiral shape with a central axis disposed to be parallel to the first direction claim 1 , anda pitch of a spiral of the resistor is 50% to 150% of a diameter of the outer pipe.4. The heat transfer pipe of claim 1 , wherein the resistor has a spiral shape with a central axis disposed to be parallel to the first direction claim 1 , andthe central axis of the spiral of the resistor is disposed to overlap the core.5. The heat transfer pipe of claim 1 , wherein a cross section of the resistor is a rectangle having a long side and a short side claim 1 , anda length of the long side is 10% to 50% of a diameter of the outer pipe.6. The heat transfer pipe of claim 1 , further comprising a plurality of guide holes passing through the resistor.7. The heat transfer pipe of claim 1 , further comprising a plurality of guide grooves formed on an inner ...

MICRO CHANNEL TYPE HEAT EXCHANGER

A micro channel type heat exchanger, including a first pass which is disposed in some of flat tubes disposed in a first heat exchange module and along which a refrigerant flows in one direction, a second pass which is disposed in remaining some of the flat tubes disposed in the first heat exchange module and along which the refrigerant supplied from the first pass flows in an opposite direction to the direction of the first pass, a third pass which is distributed and disposed in the remainder of the flat tubes disposed in a first heat exchange module other than the first pass and the second pass and in some of flat tubes disposed in a second heat exchange module, and a fourth pass which is disposed in the remainder of the flat tubes disposed in the second heat exchange module and along which a refrigerant supplied from the third pass flows in an opposite direction to a direction of the third pass. 1. A micro channel type heat exchanger comprising:a first pass disposed in some of a plurality of flat tubes disposed in a first heat exchange module and along which a refrigerant flows in one direction;a second pass disposed in remaining some of the plurality of flat tubes disposed in the first heat exchange module and along which the refrigerant supplied from the first pass flows in an opposite direction to a direction of the first pass;a third pass distributed and disposed in a remainder of the plurality of flat tubes disposed in the first heat exchange module other than the first pass and the second pass and in some of a plurality of flat tubes disposed in a second heat exchange module; anda fourth pass disposed in a remainder of the plurality of flat tubes disposed in the second heat exchange module and along which a refrigerant supplied from the third pass flows in an opposite direction to a direction of the third pass,wherein the third pass comprises a (3-1)-th pass disposed in the remainder of the plurality of flat tubes disposed in the first heat exchange module ...

Conducting Device For Controlling The Flow Of Liquid When Feeding In Two-Phase Streams In Block-In-Shell Heat Exchangers

A heat exchanger having a casing defining an encased area and at least one plate heat exchanger arranged in the encased area for indirectly exchanging heat between a first medium and a second medium. The plate heat exchanger can be surrounded by a liquid phase of the first medium. A distribution device or distributor channel is arranged above the plate heat exchanger to introduce the first medium to the encased area. The distribution device has at least one outlet opening oriented downwards through which the liquid first medium is introduced to the encased area. A conducting device is arranged below the distribution device and conducts the liquid first medium exiting the at least one outlet opening. 1. A heat exchanger for indirectly exchanging heat between a first medium and a second medium , comprising:a shell, which surrounds a shell space for receiving the first medium, andat least one plate heat exchanger, for indirectly exchanging heat between the two media,the at least one plate heat exchanger being arranged in the shell space such that it can be surrounded with a liquid phase of the first medium that is located in the shell space, anda distributing device, in particular in the form of a distributor channel, which is in flow connection with an inlet on the shell, and which is arranged above the plate heat exchanger in the shell space for introducing the first medium into the shell space, the distributing device having at least one, in particular downwardly directed, outlet opening, through which a liquid phase of the first medium can leave into the shell space, andthe heat exchanger having a conducting device, which is arranged under the distributing device and is designed for conducting the liquid phase of the first medium that is leaving the at least one outlet opening, characterized in that the at least one plate heat exchanger has an upper side, the conducting device being designed to conduct the liquid phase of the first medium away from the upper side ...

MICRO CHANNEL TYPE HEAT EXCHANGER

A micro channel type heat exchanger in which a first heat exchange module and a second heat exchange module are stacked, the micro channel type heat exchanger including a plurality of flat tubes disposed within the first heat exchange module and the second heat exchange module, and a heat blocking member configured to form a heat blocking space by separating the first heat exchange module and the second heat exchange module, wherein the heat blocking member forms a heat blocking space between the first heat exchange module and the second heat exchange module that minimizes heat conductivity and improves thermal exchange performance of the heat exchanger. 1. A micro channel type heat exchanger comprising:a first heat exchange module and a second heat exchange module that are stacked together;a plurality of flat tubes disposed inside the first heat exchange module and the second heat exchange module; anda heat blocking member that separates the first heat exchange module and the second heat exchange module and forms a heat blocking space.2. The micro channel type heat exchanger of claim 1 , wherein:the heat blocking member is disposed between the first heat exchange module and the second heat exchange module, andthe heat blocking space is formed between the first heat exchange module and the second heat exchange module.3. The micro channel type heat exchanger of claim 1 , wherein:the heat blocking member is attached to outside surfaces of the first heat exchange module and the second heat exchange module, andthe heat blocking space is formed between the first heat exchange module and the second heat exchange module.4. The micro channel type heat exchanger of claim 3 , wherein the heat blocking member further comprises an insertion part to support the first heat exchange module and the second heat exchange module claim 3 , the insertion part being inserted between the first heat exchange module and the second heat exchange module.5. The micro channel type heat ...

EVAPORATOR IN A REFRIGERANT CIRCUIT A

An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels. 1. An evaporator in a refrigerant circuit , comprising:a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, characterized in that the micro-channels of the flat tube are divided into at least one vapour phase micro-channel and into at least one liquid phase micro-channel, and in that the vapour phase micro-channel forms the bypass line, and exclusively the liquid phase flows into the liquid phase micro-channel, and in that the flow cross section which is provided by the micro-channels of the flat tube can be reduced, in particular, on account of the phase separation which takes place in the separator.2. The evaporator according to claim 1 , wherein the ...

EVAPORATOR IN A REFRIGERANT CIRCUIT B

An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, wherein, as a first flat tube, the evaporator flat tube is a constituent part of a first evaporator tube set which guides the refrigerant from the bottom-side inlet chamber counter to the direction of gravity into an upper-side deflecting chamber, and wherein the refrigerant is guided back from the upper-side deflecting chamber via at least one second flat tube. 1. An evaporator in a refrigerant circuit , comprising:a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, wherein, as a first flat tube, the evaporator flat tube is a constituent part of a first evaporator tube set which guides the refrigerant from the ...

Evaporator in a refrigerant circuit c

An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes. The separator has a distributor tube which extends in the inlet chamber in the evaporator transverse direction.

Evaporator in a refrigerant circuit d

An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels.

EVAPORATOR IN A REFRIGERANT CIRCUIT E

An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, wherein at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided. 1. An evaporator in a refrigerant circuit , comprising:a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, characterized in that the micro-channels of the flat tube are divided into at least one vapour phase micro-channel and into at least one liquid phase micro-channel, and in that the vapour phase micro-channel forms the bypass line, and exclusively the liquid phase flows into the liquid phase micro-channel, and in that, with the formation of the separator, the liquid phase micro-channel is dipped with its orifice opening into the liquid phase which is collected in the inlet chamber, and in that the vapour phase micro- ...

A HEAT EXCHANGER PLATE AND A PLATE HEAT EXCHANGER

A plate heat exchanger and a heat exchanger plate for evaporation of a first fluid are disclosed. The heat exchanger plate comprises a heat exchanger area extending in parallel with an extension plane of the heat exchanger plate and comprising a corrugation of ridges and valleys. An edge area extends around the heat exchanger area. Portholes extend through the heat exchanger area and comprise a first inlet porthole for said first fluid. A peripheral rim surrounds the first inlet porthole and extends transversely to the extension plane from a root end to an edge. The peripheral rim has a circumferential length and comprises a flat or substantially flat portion. A restriction hole extends through the flat or substantially flat portion. 1. A heat exchanger plate configured to be comprised by a plate heat exchanger configured for evaporation of a first fluid , the heat exchanger plate comprisinga heat exchanger area extending in parallel with an extension plane of the heat exchanger plate and comprising a corrugation of ridges and valleys,{'b': '5', '#text': 'an edge area extending around the heat exchanger area (),'}a number of portholes extending through the heat exchanger area, the portholes comprising a first inlet porthole for said first fluid,a peripheral rim surrounding the first inlet porthole and extending transversely to the extension plane from a root end of the peripheral rim to an edge of the peripheral rim, wherein the peripheral rim has a circumferential length around the first inlet porthole, andat least one restriction hole extending through the peripheral rim,wherein the peripheral rim, along the circumferential length, comprises at least one flat or substantially flat portion and that the restriction hole extends though the flat or substantially flat portion.2. The heat exchanger plate according to claim 1 , wherein the flat or substantially flat portion of the peripheral rim extends transversely to the extension plane of the heat exchanger plate.3. ...

Defrosting apparatus and refrigerator comprising same

A defrosting apparatus comprises a heater case comprising a heat pipe seating part formed to extend from one surface thereof in a recessed shape and a heater receiving part formed to extend to be parallel with the heat pipe seating part. The defrosting apparatus also includes a heater which is mounted in the heater receiving part so as to emit heat when power is applied thereto, a heat pipe which has a flow path through which a working fluid filled therein flows, which has a part seated on the heat pipe seating part, and which is disposed to be adjacent to a cooling pipe of an evaporator such that heat is radiated to the cooling pipe of the evaporator by means of the working fluid at a high temperature which is heated by the heater and then is transferred, and a holder which is detachably coupled to the heater case so as to cover the heat pipe seated on the heat pipe seating part.

Heat exchanger

A heat releasing unit includes heat releasing constituents which are stacked and are joined together while heat releasing flow passages are formed in the heat releasing constituents, respectively. An evaporating unit includes evaporating constituents which are stacked and are joined together, while evaporating flow passages are formed in the evaporating constituents, respectively. The evaporating unit and the heat releasing unit are arranged one after another in a direction along a side plate portion. A heat releasing unit outlet is formed at an outlet-side heat releasing constituent that is one of the heat releasing constituents placed at an end thereof. An evaporating unit inlet is formed at an inlet-side evaporating constituent that is one of the evaporating constituents placed at an end thereof. All of the heat releasing flow passages are connected to the evaporating flow passages through the heat releasing unit outlet and the evaporating unit inlet.

PASSIVE HEAT EXCHANGER WITH SINGLE MICROCHANNEL COIL

The present disclosure provides materials and methods related to passive cooling systems. In particular, the present disclosure provides a condensorator heat exchanger with a single microchannel coil that integrates the evaporator and condenser into one assembly. The passive heat exchanger systems of the present disclosure provide enhanced cooling capacity and airflow in environments ranging from outdoor electronic enclosures to commercial and residential buildings. 140-. (canceled)41. A single coil passive heat exchanger device.42. The device of claim 41 , wherein the coil comprises a plurality of channels.43. The device of claim 41 , wherein the coil comprises a working fluid in a saturated state.44. The device of claim 41 , wherein the coil is comprised of aluminum or an aluminum alloy.45. The device of claim 41 , wherein the device further comprises a divider plate.46. The device of claim 45 , wherein the divider plate creates a substantially air-tight seal that divides the coil into an upper coil portion and a lower coil portion.47. The device of claim 46 , wherein the upper coil comprises working fluid in a substantially gaseous state claim 46 , and wherein the lower coil comprises working fluid in a substantially liquid state.48. The device of claim 46 , wherein the divider plate is positioned such that the upper and lower coil portions are substantially equivalent in length.49. The device of claim 46 , wherein the divider plate is positioned such that the upper and lower coil portions are from about 1% to about 99% of the total length of the coil.50. The device of claim 45 , wherein the divider plate is welded claim 45 , brazed or fitted mechanically with a sealant compound into a stationary position.51. The device of claim 45 , wherein the divider plate is vertically adjustable along the length of the coil.52. The device of claim 41 , wherein the device further comprises a header and a footer positioned at each terminal end of the coil.53. The device of ...

Method For Adjusting Temperature By Increasing Gas Molecular Density

The present invention relates to a method for adjusting temperature by increasing gas molecular density. The method includes: filling a chamber with at least one gas to a predetermined pressure, wherein the predetermined pressure is higher than 1 atm and lower than or equal to 50 atm; flowing the gas in the chamber to a temperature adjusting device, wherein the temperature adjusting device includes a cooler and a gas returning device; cooling the gas by the cooler; and returning the gas to the chamber by the gas returning device.

MICROTUBE HEAT EXCHANGER HEADER

A heat exchanger manifold for use in a heat exchanger having a plurality of microtubes includes a receiving component for supporting and forming a seal about each of the plurality of microtubes and a circuiting component having at least one recessed channel for defining an enclosed flow configuration of a fluid of the heat exchanger. The receiving component is joined and sealed to the circuiting component such that an internal flow passage of the plurality of microtubes is arranged in fluid communication with the at least one recessed channel. 1. A heat exchanger manifold for use in a heat exchanger having a plurality of microtubes comprising:a receiving component for supporting and forming a seal about each of the plurality of microtubes; anda circuiting component having at least one recessed channel for defining an enclosed flow configuration of a fluid of the heat exchanger, wherein said receiving component is joined and sealed to said circuiting component such that an internal flow passage of the plurality of microtubes is arranged in fluid communication with said at least one recessed channel.2. The heat exchanger manifold of claim 1 , wherein the plurality of microtubes is arranged in fluid communication with said at least one recessed channel.3. The heat exchanger manifold of claim 1 , wherein said at least one recessed channel extends through only a portion of a width or height of said circuiting component.4. The heat exchanger manifold of claim 1 , wherein said at least one recessed channel includes a plurality of recessed channels claim 1 , said plurality of recessed channels that at least partially define a plurality of fluid passes through the heat exchanger.5. The heat exchanger manifold of claim 1 , wherein said receiving component further comprises a feature for supporting each of the plurality of microtubes.6. The heat exchanger manifold of claim 5 , wherein a cross-section of said feature varies between an inlet side and an outlet side of said ...

Heat Exchanger

A heat exchanger is described and which includes an exterior container having an internal cavity; a refrigerant distribution tube is positioned within the internal cavity and which is further coupled in fluid receiving relation relative to a first source of refrigerant; and a multiplicity of closely nested refrigerant tubes are located within the internal cavity and are further disposed in a closely spaced, radially outwardly oriented positions relative to the refrigerant distribution tube, and which additionally have a predetermined and similar length dimension, and individually form helical coils which have a given and similar length dimension, and a variable pitch, and which are further coupled to a second source of a refrigerant. 1. A heat exchanger , comprising:an exterior container which defines an internal cavity;a refrigerant distribution tube which is positioned within the internal cavity, and which is further coupled in fluid receiving relation relative to a first source of refrigerant; anda multiplicity of closely nested, refrigerant tubes which are located within the internal cavity of the exterior container, and which are further disposed in closely spaced, radially outwardly oriented positions relative to the refrigerant distribution tube, and wherein the respective refrigerant tubes each have a predetermined length dimension, and individually form a helical coil which has a given length dimension, and pitch, and wherein each of the refrigerant tubes, and the respective helical coils that the individual refrigerant tube forms have the same length dimension, and wherein the respective refrigerant tubes are each coupled in fluid receiving relation relative to a second source of a refrigerant.2. A heat exchanger as claimed in claim 1 , and wherein the first source of the refrigerant is a low pressure refrigerant claim 1 , and the second source of the refrigerant is a high pressure refrigerant.3. A heat exchanger as claimed in claim 1 , and wherein the ...

LIQUID REFRIGERANT SPRAYER AND FALLING LIQUID FILM TYPE EVAPORATOR

A liquid refrigerant distributor is used for a falling liquid film evaporator. The liquid refrigerant distributor includes a gas-liquid two-phase pipe through which a gas-liquid two-phase refrigerant flows, and a first refrigerant tub including a liquid reservoir section into which the gas-liquid two-phase refrigerant flows from the gas-liquid two-phase pipe. The first refrigerant tub further includes a droplet collector configured to collect droplets contained in a gas refrigerant separated by the liquid reservoir section. 1. A liquid refrigerant distributor for use in a falling liquid film evaporator , the liquid refrigerant distributor comprising:a gas-liquid two-phase pipe through which a gas-liquid two-phase refrigerant flows; anda first refrigerant tub including a liquid reservoir section into which the gas-liquid two-phase refrigerant flows from the gas-liquid two-phase pipe,the first refrigerant tub further including a droplet collector configured to collect droplets contained in a gas refrigerant separated by the liquid reservoir section.2. The liquid refrigerant distributor of claim 1 , whereinthe gas-liquid two-phase pipe releases the gas-liquid two-phase refrigerant downward to the liquid reservoir section.3. The liquid refrigerant distributor of claim 1 , whereina bottom of the gas-liquid two-phase pipe has a perforated metal structure with a plurality of holes, andan area proportion of the holes in the perforated metal structure increases with increasing distance from an introduction port of the gas-liquid two-phase pipe for the gas-liquid two-phase refrigerant.4. The liquid refrigerant distributor of claim 1 , whereinthe liquid reservoir section includes a primary liquid reservoir into which the gas-liquid two-phase refrigerant flows, and a secondary liquid reservoir into which a liquid refrigerant separated from the gas refrigerant by the primary liquid reservoir flows, andthe secondary liquid reservoir is disposed on a side of the primary liquid ...

SYSTEM FOR COOLING A FLUID WITH A MICROCHANNEL EVAPORATOR

A microchannel evaporator includes a plurality of microchannels. Each of the plurality of microchannels includes a first end and a second end. A first end-tank is coupled to each first end of the plurality of microchannels and a second end-tank is coupled to each second end of the plurality of microchannels. An inlet is coupled to the first end-tank for receiving a fluid into the microchannel evaporator and an outlet is coupled to the second end-tank for expelling the fluid from the microchannel evaporator. Each microchannel of the plurality of microchannels is substantially U-shaped. 1. A microchannel evaporator comprising:a plurality of microchannels, each of the plurality of microchannels comprising a first end and a second end;a first end-tank coupled to each first end of the plurality of microchannels;a second end-tank coupled to each second end of the plurality of microchannels;an inlet coupled to the first end-tank for receiving a fluid into the microchannel evaporator;an outlet coupled to the second end-tank for expelling the fluid from the microchannel evaporator; andwherein each microchannel of the plurality of microchannels is substantially U-shaped.2. The microchannel evaporator of claim 1 , wherein a diameter of the outlet is larger than a diameter of the inlet.3. The microchannel evaporator of claim 1 , wherein each microchannel of the plurality of microchannels is spaced apart from an adjacent microchannel of the plurality of microchannels such that at least one gap is formed.4. The microchannel evaporator of comprising at least one fin disposed in the at least one gap.5. The microchannel evaporator of claim 4 , wherein the at least one fin extends along only a portion of a length of a microchannel of the plurality of microchannels.6. The microchannel evaporator of claim 1 , wherein each microchannel of the plurality of microchannels has a rectangular cross-section.7. The microchannel evaporator of claim 1 , wherein the microchannel evaporator ...

METHOD AND SYSTEM FOR COOLING A FLUID WITH A MICROCHANNEL EVAPORATOR

A microchannel evaporator includes a plurality of microchannels. Each of the plurality of microchannels includes a first end and a second end. A first end-tank is coupled to each first end of the plurality of microchannels and a second end-tank is coupled to each second end of the plurality of microchannels. A second-fluid inlet is coupled to either the first end-tank or the second end-tank and configured to receive a fluid into the microchannel evaporator and a second-fluid outlet is coupled to either the first end-tank or the second end-tank and configured to expel the fluid from the microchannel evaporator. Each microchannel of the plurality of microchannels includes at least one bend along a length thereof. 1. A microchannel evaporator comprising:a plurality of microchannels, each of the plurality of microchannels comprising a first end and a second end;a first end-tank coupled to each first end of the plurality of microchannels;a second end-tank coupled to each second end of the plurality of microchannels;a second-fluid inlet coupled to either the first end-tank or the second end-tank and configured to receive a fluid into the microchannel evaporator;a second-fluid outlet coupled to either the first end-tank or the second end-tank and configured to expel the fluid from the microchannel evaporator; andwherein each microchannel comprises at least one bend along a length thereof.2. The microchannel evaporator of claim 1 , wherein a diameter of the second-fluid outlet is larger than a diameter of the second-fluid inlet.3. The microchannel evaporator of claim 1 , wherein each microchannel of the plurality of microchannels is spaced apart from an adjacent microchannel of the plurality of microchannels such that at least one gap is formed.4. The microchannel evaporator of claim 3 , comprising at least one fin disposed in the at least one gap.5. The microchannel evaporator of claim 4 , wherein the at least one fin extends along only a portion of a length of a ...

EVAPORATOR WITH HEAT EXCHANGE

An apparatus covering an evaporator on all four sides. a first inlet to allow refrigerant into the casing. A side chamber, a top chamber, a center chamber, and a bottom chamber to receive refrigerant and act as a heat exchange allowing the refrigerant received to undergo heat transfer and reduction in temperature due to thermal exchange with a plurality of side of the evaporator. A first outlet to allowing the refrigerant to exit the casing. A second inlet to allow the refrigerant to enter the evaporator after exiting the casing and distribute the refrigerant within the evaporator. A second outlet allowing the refrigerant to exit the evaporator and cycle through a refrigeration system. The first inlet and the second outlet are dual-piped to allow for heat exchange. The evaporator, comprising a plurality of tubes, optionally, space reducers, and optionally, a center space reducer. 1 a plurality of parallel tubes longitudinally disposed within the inner casing configured to maintain liquid for freezing into solid;', 'a plurality of parallel custom shaped solid tubes longitudinally disposed along the interior perimeter of the inner casing;', 'a center tube longitudinally disposed along the center of the inner casing;, 'an inner casing configured to maintainan outer casing completely covering the inner casing in order to not permit the refrigerant to cross between the inner casing and the outer casing unless the refrigerant is provided by a first inlet means, configured to maintain refrigerant along a defined volume of space between the inner casing and the outer casing prior to entrance into the inner casing, comprising: a defined volume of space between the inner casing and the outer casing along a side perimeter of the evaporator configured to receive refrigerant from an outer pipe;', 'wherein, the first inlet means configured to allow the refrigerant to enter the inner casing of the evaporator after exiting the outer casing and distribute the refrigerant within the ...

Modular adiabatic pre-cooling cassette with method of retrofit for horizontal air-cooled commercial refrigeration condensers

According to another aspect, the present disclosure relates to a system for modular adiabatic evaporative pre-cooling of a horizontal air-cooled commercial refrigeration condenser. The system includes an evaporative media with an air permeable construction. The evaporative media has a water absorbable construction. The system also has a water supply port for supplying the volume of water. The system also has a water distributer for distributing the volume of water supplied from the water supply port. The water distributer distributes the volume of water to the evaporative media. The system also includes a water drain port for draining the volume of water distributed to the evaporative media.

Heat exchanger

A heat exchanger includes a fin having a plate shape and including a first region where a plurality of cutout portions are formed with intervals in a longitudinal direction that is a gravity direction, and a second region where the plurality of cutout portions are not formed in the longitudinal direction, and flat tubes attached to the plurality of cutout portions and intersecting the fin. Protruding portions protruding from a planar portion of the fin are formed on the fin, and the protruding portions each have a shape in which a first end is located in the first region and a second end is located in the second region and below the first end.

HEAT EXCHANGER

A heat exchanger may include a first collecting tank and a second collecting tank. The first collecting tank may include a first collecting pipe having a first collecting pipe opening for letting in a fluid and a second collecting pipe having a second collecting pipe opening for discharging the fluid. The second collecting tank may be arranged opposite the first collecting tank and may include a third collecting pipe and a fourth collecting pipe. The heat exchanger may also include a plurality of heat exchanger pipes fluidically connecting the first collecting pipe to the third collecting pipe and the second collecting pipe to the fourth collecting pipe. The heat exchanger may also include a separating wall arranged in each of the first collecting pipe and the second collecting pipe respectively dividing each into a first pipe section and a second pipe section. 1. A heat exchanger , comprising:a first collecting tank including a first collecting pipe and a second collecting pipe, the first collecting pipe having a first collecting pipe opening for letting in a fluid, and the second collecting pipe having a second collecting pipe opening for discharging the fluid;a second collecting tank arranged opposite the first collecting tank and including a third collecting pipe and a fourth collecting pipe;a plurality of heat exchanger pipes fluidically connecting the first collecting pipe to the third collecting pipe and the second collecting pipe to the fourth collecting pipe;a separating wall arranged in each of the first collecting pipe and the second collecting pipe respectively dividing the first collecting pipe and the second collecting pipe into a first pipe section and a second pipe section; andwherein the second pipe section of the first collecting pipe and the second pipe section of the second collecting pipe are fluidically connected in the first collecting tank such that the fluid is flowable through, in order, the first collecting pipe opening, the first pipe ...

Efficient temperature forcing of semiconductor devices under test

A temperature-forcing system and method for controlling the temperature of an electronic device under test comprises a temperature-forcing head, including a face positionable in thermal contact with the device, and an evaporator, in direct or indirect thermal contact with the face; and a refrigerant circulation subsystem, including a compressor, a condenser, a flow control device for inducing a pressure drop in the refrigerant, and a conduit circuit through which the refrigerant is flowable. The subsystem cooperates with the evaporator so as to define at least one closed loop through which a corresponding bi-phase refrigerant is circulatable, so that, during circulation, the refrigerant is maintained in a liquid phase between the compressor and the flow control device and in a gaseous phase while flowing through the evaporator. The temperature of the device is therefore switchable by the head at a rapid rate of 50 to 150 degrees Celsius per minute.

Refrigeration cycle apparatus

A refrigeration cycle apparatus includes a compressor, a condenser such as an indoor heat exchanger, first expansion means, and an evaporator such as an outdoor heat exchanger that are connected by refrigerant pipes to form a refrigeration cycle. The evaporator is a heat exchanger including a plurality of plate-like heat transfer fins arranged in parallel and subjected to water slip or water repellent treatment, and a heat transfer tube provided in contact with the plurality of heat transfer fins such that refrigerant flows therein. The refrigeration cycle apparatus further includes a drain pan disposed below the evaporator, an evaporator fan for producing an air current flowing to the evaporator, such as an outdoor fan, and a heating unit disposed at a position below the heat transfer fins and on a leeward side of the heat transfer fins.

Methods and systems of streaming refrigerant in a heat exchanger

Embodiments are disclosed to help create longitudinal refrigerant streams, for example, in a shell and tube type evaporator, so as to manage refrigerant and/or lubricant in the evaporator. In some embodiments, the shell side of the evaporator may include a plurality of longitudinally extended pans stacked in a vertical direction. In some embodiments, refrigerant can be directed onto a top pan. The refrigerant can form a longitudinal refrigerant stream along the pan and flow down to the next pan in the vertical direction and form another longitudinal refrigerant stream. Each of the pans may form a refrigerant pool to help exchange heat with a process fluid carried in heat exchanger tubes. By forming longitudinal refrigerant streams in the pans, heat exchange efficiency may be improved and a lubricant content in refrigerant streams may be concentrated toward a bottom of the evaporator.

HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE SAME

Provided is a heat exchanger including a plurality of refrigerant flow paths each being a flow path into which refrigerant flows in a gas state and out of which the refrigerant flows in a liquid state, and including upstream-side flow paths allowing passage of the refrigerant in the gas state and a two-phase gas-liquid state, and at least one downstream-side flow path allowing passage of the refrigerant in the two-phase gas-liquid state and the liquid state. The heat exchanger further includes an upstream-side heat exchanger including the upstream-side flow paths, a downstream-side heat exchanger including the at least one downstream-side flow path, and at least one merger for merging the refrigerant flowing out of each of the upstream-side flow paths and causing the merged refrigerant to flow into the at least one downstream-side flow path. The upstream-side heat exchanger and the downstream-side heat exchanger are configured separately. The number of the downstream-side flow paths is smaller than the number of the upstream-side flow paths. 1. A heat exchanger , comprising:a plurality of refrigerant flow paths each being a flow path into which refrigerant flows in a gas state and out of which the refrigerant flows in a liquid state, the plurality of refrigerant flow paths including upstream-side flow paths allowing passage of the refrigerant in the gas state and a two-phase gas-liquid state, and at least one downstream-side flow path allowing passage of the refrigerant in the two-phase gas-liquid state and the liquid state;an upstream-side heat exchanger including the upstream-side flow paths;a downstream-side heat exchanger arranged below the upstream-side heat exchanger and, including the at least one downstream-side flow path; andat least one merger for merging the refrigerant flowing out of each of the upstream-side flow paths and causing the merged refrigerant to flow into the at least one downstream-side flow path,the upstream-side heat exchanger and the ...

Heat exchanger and method of manufacture

A heat exchanger comprises a stack of sets of fins and tubes attached to or encompassed by embossed plates comprising a void. In some embodiments, the fins overlap the void having a peripheral margin of the fin attached to the peripheral margin around the void. In some embodiments, the fins comprise through fluid apertures allowing lateral fluid flow. In some embodiments, the plates comprise lateral peripheral protrusions enabling selective sealing of gaps between adjacent stacked plates by unselective application of heat or adhesive to a face of the heat exchanger. In some embodiments, the plates comprise uniformizing protrusions in a fluid inlet and/or outlet zone that reduce the amount of non-uniform fluid mass flow between different channel protrusions of heat exchanging zones of the set. Also disclosed are methods for assembly and selective sealing of the heat exchanger and an apparatus comprising the same.

REFRIGERANT DISTRIBUTOR, HEAT EXCHANGER, AND REFRIGERATION CYCLE APPARATUS

Provided is a refrigerant distributor including: a first space forming portion having a first refrigerant port and a second refrigerant port; and a second space forming portion, which extends laterally from a lower part of the first space forming portion, and has a plurality of heat transfer pipe connecting portions. A gas-liquid refrigerant mixture flows into the first space forming portion through the first refrigerant port. Heat transfer pipes are connected at positions of the plurality of heat transfer pipe connecting portions in the second space forming portion. 1. A refrigerant distributor , comprising:a first space forming portion having a first refrigerant port, to which a first refrigerant pipe is to be connected, and a second refrigerant port, to which a second refrigerant pipe is to be connected; anda second space forming portion, which projects laterally from a lower part of the first space forming portion, and has a plurality of heat transfer pipe connecting portions.2. The refrigerant distributor according to claim 1 , wherein an axis of the second refrigerant port is offset from an axis of the first refrigerant port.3. The refrigerant distributor according to claim 1 ,wherein the plurality of heat transfer pipe connecting portions are arranged side by side in a longitudinal direction of the second space forming portion, andwherein the second space forming portion is arranged so that the longitudinal direction of the second space forming portion matches with a horizontal direction.4. The refrigerant distributor according to claim 1 , wherein the heat transfer pipe connecting portions are formed in an upper surface of the second space forming portion.5. The refrigerant distributor according to of claim 1 ,wherein a space inside the first space forming portion becomes smaller toward the second space forming portion.6. The refrigerant distributor according to claim 1 ,wherein an inner bottom surface of the second space forming portion is inclined with ...

System, device and method for receiving a disposable bag

A system for receiving a disposable bag ( 44 ) has a receiving container ( 10 ) with a container interior for receiving the disposable bag ( 44 ) and a temperature-control hollow wall ( 20 ) that at least partially surrounds the container interior of the receiving container ( 10 ). A temperature-control unit controls the temperature of the container interior by will a temperature-control medium arranged in the temperature-control hollow wall ( 20 ) at a maximum pressure of about 1 bar.

Mulitlevel distribution system for evaporator

A falling film evaporator includes a housing and a plurality of evaporator tubes located in the housing. A liquid refrigerant distribution system is positioned in the housing and includes a manifold having a plurality of manifold outlet openings and a baffle positioned between the manifold and a distribution vessel and comprising a plurality of baffle openings. The distribution vessel has a plurality of distribution vessel openings for conveying the liquid refrigerant onto evaporator tubes when in use. A method of operating an evaporator includes conveying a two-phase vapor and liquid refrigerant mixture to a manifold and spraying the mixture out of the manifold through a plurality of manifold openings toward a distribution vessel. The mixture in impinged on a baffle located between the manifold and the distribution vessel and the liquid refrigerant is separated from the mixture via the impingement. The liquid refrigerant is collected at the distribution vessel.

Air Conditioner

Heat transfer pipes and extend from the other end section B to one end section A in an intermediate row L and combine in the one end section A to be heat transfer pipes and . The heat transfer pipes and are configured to extend back and force once between the one end section A and the other end section B in a upstream row L. Heat transfer pipes and extend from the other end section B to the one end section A in the intermediate row L and combine in the one end section A to be heat transfer pipes and . The heat transfer pipes and are configured to extend back and force once between the one end section A and the other end section B in the upstream row L. The heat transfer pipe extending from the other end section B to the one end section A and the heat transfer pipe from the other end section B to the one end section A are arranged to be adjacent to each other. 1. An air conditioner comprising:a heat exchanger that includes a plurality of heat transfer pipes, through which a refrigerant flows, and performs heat exchange with air, whereinthe heat exchanger includes one end section and the other end section,the plurality of heat transfer pipes are disposed to extend back and force between the one end section and the other end section in a state in which the heat transfer pipes are arranged in a direction crossing a direction in which the air flows, and rows of the plurality of heat transfer pipes arranged in the crossing direction are configured to be arranged in at least two rows along the direction in which the air flows,the two rows include a first row located most upstream in the direction in which the air flows and a second row located adjacent to the first row in the direction in which the air flows,the plurality of heat transfer pipes include a first heat transfer pipe and a second heat transfer pipe adjacent to each other in the second row, the first heat transfer pipe and the second heat transfer pipe extend from the other end section to the one end section in ...

NATURAL GAS LIQUID FRACTIONATION PLANT WASTE HEAT CONVERSION TO SIMULTANEOUS COOLING CAPACITY AND POTABLE WATER USING KALINA CYCLE AND MODIFIED MULTI-EFFECT DISTILLATION SYSTEM

Certain implementations of natural gas liquid fractionation plant waste heat conversion to simultaneous cooling capacity and potable water using Kalina Cycle and modified multi-effect distillation system can be implemented as a system. The system includes first waste heat recovery heat exchanger configured to heat a first buffer fluid stream by exchange with a first heat source in a natural gas liquid fractionation plant. The system includes a water desalination system comprising a first train of one or more desalination heat exchangers configured to heat saline by exchange with the heated first buffer fluid stream to generate fresh water and brine. 1. (canceled)2. A system comprising:a first recovery heat exchanger configured to heat a buffer fluid stream with heat from an output fluid stream from a depropanizer distillation column of a natural gas liquid (NGL) fractionation plant; anda second recovery heat exchanger configured to heat the buffer fluid stream with heat from an output fluid stream from a debutanizer distillation column of the NGL fractionation plant; anda water desalination system comprising a first desalination heat exchanger configured to heat saline with heat from the heated buffer fluid stream to generate fresh water and brine.3. The system of claim 2 , wherein desalination heat exchanger comprises:a first desalination heat exchanger configured to heat saline with heat from the heated buffer fluid stream to generate water vapor and brine; anda second desalination heat exchanger configured to heat saline with heat from the water vapor from the first desalination heat exchanger to generate water vapor and brine, wherein the water vapor from the first desalination heat exchanger is condensed into fresh water in the second desalination heat exchanger.4. The system of claim 2 , wherein the water desalination system comprises a second desalination heat exchanger configured to heat saline with heat from a combined buffer fluid stream to generate fresh ...

Methods and systems for coding synthesis gas

A heat exchanger including a housing. A plurality of tubes can be disposed within the housing. A plurality of solid particulates can be disposed within the housing between an inner surface of the housing and outer surfaces of the tubes, wherein the solid particulates have an average cross-sectional length from about 250 μm to about 5 mm.

Condensate drain devices for heat exchanger coil and methods for making the same

A condensate drain device includes an elongate base having a first end, a second end and side edges extending between the first and second ends; a plurality of teeth extending away from a side edge of the base; and a lip formed on the side edge of the base opposite from the teeth. Each tooth includes a free end and two side edges. The condensate drain device is configured to be attached to a microchannel coil to collect condensate including a plurality of tubes and a plurality of fins coupled to the tubes, with each tooth being received in a space formed between two adjacent fins.

HEAT EXCHANGER INCLUDING COIL END CLOSE-OFF COVER

A heat exchanger assembly including a heat exchanger that has a first end and a second end opposite the first end, and a cover coupled to the second end. The heat exchanger also includes a plurality of fins with a first fin disposed adjacent the first end and a second fin disposed adjacent the second end, and a continuous, serpentine coil. The coil includes first return bends projecting beyond the first fin and second return bends projecting beyond the second fin. The cover has a base plate and separate receptacles encasing one or more of the second return bends to permit airflow through the encased second return bends. The base plate is positioned on the second end to inhibit airflow from one of the receptacles to another of the receptacles 1. A heat exchanger assembly comprising a plurality of fins spaced apart from each other, each of the fins including one or more tube slots, and the plurality of fins including a first fin disposed adjacent the first end and a second fin disposed adjacent the second end; and', 'a continuous, serpentine coil including tube portions extending through axially aligned tube slots, the coil also including first return bends projecting beyond the first fin and second return bends projecting beyond the second fin, each of the first return bends and the second return bends joining two tube portions and configured to direct cooling fluid back through the plurality of fins; and, 'a heat exchanger including a first end and a second end opposite the first end, the heat exchanger further including'}a cover coupled to the second end, the cover including a base plate and separate receptacles encasing one or more of the second return bends to permit airflow through the encased second return bends, the base plate positioned on the second end to inhibit airflow from one of the receptacles to another of the receptacles.2. The heat exchanger assembly of claim 1 , wherein the base plate is in contact with the second fin.3. The heat exchanger assembly ...

Heat exchanger with heater insert

A heat exchanger includes fins that are spaced apart from each other, and that each include one or more tube slots. A coil is coupled to the fins and includes a tube section extending through axially aligned tube slots. A heater insert extends through one or more of the axially aligned tube slots adjacent an exterior of the tube section to defrost the heat exchanger.

REFRIGERANT DISTRIBUTOR FOR FALLING FILM EVAPORATOR

A falling film evaporator () includes an evaporator vessel (), a plurality of evaporator tubes () disposed in the in evaporator vessel () through which a volume of thermal energy transfer medium is flowed and a suction port () extending through the evaporator vessel () to remove vapor refrigerant from the evaporator vessel (). A refrigerant distribution system () is located in the evaporator vessel () to distribute a flow of liquid refrigerant over the plurality of evaporator tubes (). The refrigerant distribution system () is configured such that the refrigerant distribution system () has a first height at the suction port () and a second height greater than the first height at a longitudinal location () other than at the suction port (). 1. A falling film evaporator comprising:an evaporator vessel;a plurality of evaporator tubes disposed in the evaporator vessel through which a volume of thermal energy transfer medium is flowed;a suction port extending through the evaporator vessel to remove vapor refrigerant from the evaporator vessel; anda refrigerant distribution system disposed in the evaporator vessel to distribute a flow of liquid refrigerant over the plurality of evaporator tubes, the refrigerant distribution system configured such that the refrigerant distribution system has a first height at the suction port and a second height greater than the first height at a longitudinal location other than at the suction port.2. The falling film evaporator of claim 1 , wherein the first height is a minimum height of the refrigerant distribution system.3. The falling film evaporator of claim 1 , wherein the first height transitions to the second height with a linear slope.4. The falling film evaporator of claim 1 , wherein the first height transitions to the second height via a vertical step.5. The falling film evaporator of claim 1 , wherein the suction port is located at a first longitudinal end of the evaporator vessel.6. The falling film evaporator of claim 5 , ...

Bracket assembly for a heat exchanger

A bracket system includes a first bracket configured to couple a heat exchanger coil to a base of a heat exchanger via engagement of a mounting surface of the base, where the first bracket has a recessed member and a fastening tab, and a second bracket configured to couple the heat exchanger coil to a shroud of the heat exchanger via engagement of a fastener, where the second bracket has a protruding member and a protruding ridge. The recessed member is configured to receive the protruding member such that the first bracket and the second bracket are coupled to one another in a first configuration of the bracket system, and where the fastening tab is configured to receive the protruding ridge such that the first bracket and the second bracket are coupled to one another in a second configuration of the bracket system.

DUAL ZONE COMMON CATCH HEAT EXCHANGER/CHILLER

Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a coupling each of the reservoirs to a common secondary reservoir. Heat transfer fluid is pumped from the secondary reservoir to either the hot or cold reservoir in response to a low level sensed in the reservoir. In an embodiment, both the hot and cold reservoirs are contained in a same platform as the secondary reservoir with the hot and cold reservoirs disposed above the secondary reservoir to permit the secondary reservoir to catch gravity driven overflow from either the hot or cold reservoir. 1. A method of controlling a temperature of a chuck in a plasma processing apparatus , the method comprising:circulating a first heat transfer fluid at a first temperature through the chuck via a first supply line and a first return line coupling the chuck to a first primary heat transfer fluid reservoir;circulating a second heat transfer fluid at a second temperature through the chuck via a second supply line and a second return line coupling the chuck to a second primary heat transfer fluid reservoir;controlling a first valve disposed in-line with the first supply line and controlling a second valve disposed in-line with the second supply line; andmaintaining a level of the first primary heat transfer fluid reservoir by catching overflow from the first primary heat transfer fluid reservoir in the secondary reservoir and dispensing heat transfer fluid from the secondary reservoir to the first primary heat transfer fluid reservoir in response to sensing a low level in the first primary heat transfer fluid reservoir.2. The method of claim 1 , wherein controlling the first valve further comprises modulating a pulse width modulation duty cycle driving the first valve between a ...

Two-stage reactor for exothermal and reversible reactions and methods thereof

The present invention relates a two-stage reactor for exothermal, reversible reactions. In particular, the reactor contains a first semi-isothermal stage followed by a second cooling stage. The reactor allows for high conversion of products in an exothermal, reversible reaction.

Turbo chiller

This turbo chiller includes a shell-and-tube condenser; a header along a length direction of a shell is installed on a refrigerant inlet of the condenser, and openings are formed at least on both end portions of the header in the length direction, which allows high-temperature and high-pressure refrigerant gas from a compressor to be smoothly and evenly distributed to both length-direction end areas in the shell of the condenser through the header.

DISTRIBUTOR, LAYERED HEADER, HEAT EXCHANGER, AND AIR-CONDITIONING APPARATUS

A distributor according to the present invention includes a first flow path, a plurality of second flow paths, and a first branch flow path for dividing the first flow path into the plurality of second flow paths. The first branch flow path is configured to include a first communication flow path communicating with the first flow path, a second communication flow path communicating with each of the second flow paths, and a bent portion connecting the first communication flow path and the second communication flow path. The bent portion includes an inner peripheral wall portion including an inner face having a first radius of curvature, and an outer peripheral wall portion including an inner face having a second radius of curvature larger than the first radius of curvature. The second communication flow path includes an inner wall portion extending from the inner peripheral wall portion of the bent portion, and an outer wall portion extending from the outer peripheral wall portion of the bent portion. The outer wall portion has a liquid film separation unit. 1. A distributor comprising:a first flow path;a plurality of second flow paths; anda first branch flow path for dividing the first flow path into the plurality of second flow paths, a first communication flow path communicating with the first flow path;', 'a second communication flow path communicating with each of the second flow paths; and', 'a bent portion connecting the first communication flow path and the second communication flow path,', 'the bent portion including', 'an inner peripheral wall portion including an inner face having a first radius of curvature, and', 'an outer peripheral wall portion including an inner face having a second radius of curvature larger than the first radius of curvature,', 'the second communication flow path including', 'an inner wall portion extending from the inner peripheral wall portion of the bent portion, and', 'an outer wall portion extending from the outer peripheral ...

AIR CONDENSER

The invention relates to a cylindrical air condenser having a heat exchanger which has a cylindrical or polygonal shape that develops in a vertical direction (Z) from a base or bottom to a top, and a suction device provided with a motorized fan housed in a frame arranged on the top of the heat exchanger. The cylindrical condenser includes a distributor element, housed inside the heat exchanger coaxially therewith. The distributor element has a plurality of conduits arranged coaxially one to the other, and have a progressively increasing height from the top to the bottom of the heat exchanger and a progressively decreasing transversal dimension. The configuration of the distributor element is such that, starting from the top towards the base of the heat exchanger, a plurality of through openings (A-A) whose areas are nominally identical are defined therein in the vertical direction (Z). 2. The air condenser according to claim 1 , wherein a first conduit of the distributor element having the largest transverse size and the lower height is arranged close to the top of the heat exchanger underneath the frame of the air suction device claim 1 , while the other conduits of the distributor element are progressively spaced from the first conduit and one from the other in the vertical direction (Z).3. The air condenser according to claim 2 , wherein the arrangement of the conduits is such that claim 2 , starting from the frame of the air suction device claim 2 , an imaginary line(s) touching the top edges of the conduits is inclined towards the bottom of the heat exchanger by an angle comprised between 30° and 60°.4. The air condenser according to claim 1 , wherein flow adjusting devices are arranged at the ends of the conduits facing the bottom of the heat exchanger.5. The air condenser according to claim 4 , wherein said flow adjusting devices are of the type comprising a plurality of flaps.6. The air condenser according to claim 1 , wherein coatings made of a sound ...

Condenser, method for condensing, and heat pump

A condenser includes a condensation zone for condensing vapor to be condensed in an operating liquid, the condensation zone being formed as a volume zone including a top end, a bottom end and a lateral boundary between the top end and the bottom end, and a vapor introduction zone extending along the lateral end of the condensation zone and being configured to feed vapor to be condensed into the condensation zone laterally via the lateral boundary.

STACKING-TYPE HEADER, HEAT EXCHANGER, AND AIR-CONDITIONING APPARATUS

A stacking-type header according to the present invention includes: a first plate-shaped unit; and a second plate-shaped unit stacked on the first plate-shaped unit, and having a distribution flow passage, in which the distribution flow passage includes a branching flow passage including: a first flow passage; and a second flow passage, and in which the branching flow passage is smaller in difference in flow resistance between the first flow passage and the second flow passage than a branching flow passage in a state in which a flow-passage resistance in the first flow passage and a flow-passage resistance in the second flow passage are equal to each other, and in a state in which the first flow passage and the second flow passage are point symmetric with each other about the opening port. 125-. (canceled)26. A stacking-type header , comprising:a first plate-shaped unit having a plurality of first outlet flow passages formed therein; anda second plate-shaped unit being stacked on the first plate-shaped unit and having a first inlet flow passage formed therein and a distribution flow passage formed therein, the distribution flow passage being configured to distribute refrigerant, which passes through the first inlet flow passage to flow into the second plate-shaped unit, to the plurality of first outlet flow passages to cause the refrigerant to flow out from the second plate-shaped unit, an opening port configured to allow the refrigerant to flow thereinto;', 'a first flow passage communicating between the opening port and an end portion positioned on an upper side relative to the opening port; and', 'a second flow passage communicating between the opening port and an end portion positioned on a lower side relative to the opening port,, 'wherein the distribution flow passage comprises a branching flow passage comprisingwherein a flow-passage resistance in the second flow passage is larger than a flow-passage resistance in the first flow passage, andwherein a width of ...

Vapor compression system

An evaporator ( 168 ) in a vapor compression system ( 14 ) ( 168 ) includes a shell ( 76 ), a first tube bundle ( 78 ); a hood ( 86 ); a distributor ( 80 ); a first supply line ( 142 ); a second supply line ( 144 ); a valve ( 122 ) positioned in the second supply line ( 144 ); and a sensor ( 150 ). The distributor ( 80 ) is positioned above the first tube bundle ( 78 ). The hood ( 88 ) covers the first tube bundle ( 78 ). The first supply line ( 142 ) is connected to the distributor ( 80 ) and an end of the second supply line ( 144 ) is positioned near the hood ( 88 ). The sensor ( 150 ) is configured and positioned to sense a level of liquid refrigerant ( 82 ) in the shell. The valve ( 122 ) regulates flow in the second supply line in response to the level of liquid refrigerant ( 82 ) from the sensor ( 150 ).

EVAPORATOR

The invention relates to an evaporator comprising an evaporator body () surrounded by an evaporator housing (), wherein the evaporator housing () is provided with a feed line () for feeding a liquid into the evaporator housing () and with an outlet () for emitting any vapour produced, 1. An evaporator comprising an evaporator body surrounded by an evaporator housing , wherein the evaporator housing is provided with a feed line for feeding a liquid into the evaporator housing and with an outlet for emitting any vapour produced ,wherein the evaporator body comprises a multiplicity of plates which are arranged in a planar manner one above another, wherein at least one void is formed in each case between adjacent plates, wherein each of the voids is fluidically connected to the outlet,wherein a liquid distributor is interconnected between the feed line and the evaporator body, wherein the liquid distributor branches off from the feed line in the direction of the evaporator body in at least two distributor lines (VR), andwherein each distributor line (VR) is connected to at least one void,wherein a cross-sectional area of the feed line corresponds substantially to the sum of the cross-sectional areas of the distributor lines (VR).2. The evaporator according to claim 1 , wherein a pressure loss between an end claim 1 , facing the evaporator body claim 1 , of the feed line and an end claim 1 , facing the evaporator body claim 1 , of each distributor line (VR) is substantially the same.3. The evaporator according to claim 1 , wherein the distributor lines (VR) are substantially the same length and have the same cross section.4. The evaporator according to claim 1 , wherein a pre-distributor structure is connected between the feed line and the distributor lines (VR) claim 1 , the feed line splitting up in a tree-like manner into a multiplicity of feed end lines in said pre-distributor structure claim 1 , wherein each of the feed end lines is divided into at least two ...

MULTI-CROSS SECTIONAL FLUID PATH CONDENSER

A refrigerant condenser having multiple sections of straight tubes terminating in segmented headers, each subsequent section having an overall cross-sectional area less than an initial section with the overall cross section of the initial section large enough to substantially reduce vapor velocity thus reducing the refrigerant pressure drop; the total cross-sectional area dimensioned to cause entrance vapor velocity, to be sufficient to establish an internal film heat transfer coefficient greater than the external heat transfer coefficient while limiting the internal pressure drop for the heat rejection intended. 1. A heat exchange bundle for a refrigerant condenser comprising:a first condenser section comprising a first set of straight refrigerant passages having a first total cross-sectional area;a second condenser section comprising a second set of straight refrigerant passages having a second total cross-sectional area;an inlet header;a first intermediate header;said first set of straight refrigerant passages each connected at a first end to said inlet header and connected at a second end to said intermediate header;said second set of straight refrigerant passages each connected at a first end to said intermediate header;said second total cross-sectional area less than said first total cross-sectional area.2. A heat exchange bundle for a refrigerant condenser according to claim 1 , further comprising:an outlet header;said second set of straight refrigerant passages each connected at a second end to said outlet header.3. A heat exchange bundle for a refrigerant condenser according to claim 1 , further comprisinga third condenser section comprising a third set of straight refrigerant passages having a third total cross-sectional area;a second intermediate header;said second set of straight refrigerant passages each connected at a second end to said second intermediate header;said third set of straight refrigerant passages each connected at a first end to said ...

Method to Control Fluid Flow Variations Among Fluid Tubes of Heat Exchangers in Transfer Line Exchangers and Like Applications

Tube-bundle heat exchangers are commonly used to quench reacting fluids to drop the temperature of the reacting fluid below a specific temperature which cuts off undesirable chemical reactions in a minimal time as practical. A common commercial application is production of olefins. Shell and tube type and bundles of tube in tube exchanges are used in this application, the method is applicable to both. Significant variations in reacting fluid mass flow rates in the tubes of the tube-bundle can cause sub-optimal performance of the process. By placement of precise partial obstruction to flow of the reacting fluids at the tube exits to an outlet plenum chamber, these flow variations can be controlled. By adding remotely readable temperature measurement, and making the obstructions adjustable, the operator of the production facility can minimize production losses due to the variations in flow between tubes in the tube-bundle. 1) A method to reduce variation in mass flow between individual tubes in a plurality of fluid tubes in a tube-bundle of a heat exchanger used to quench chemical reactions in the fluid , said heat exchanger comprising;a) an inlet plenum chamber from which the hot fluid flows into the tubes of the tube-bundle through an inlet tube-sheet,b) a plurality of fluid tubes in a tube-bundle used to cool the fluid with some form of pressure containing shell to contain a different cooling fluid, including either a shell and inlet and outlet tube-sheets, or a plurality of outer tubes with the fluid tubes forming a bundle of tube in tube heat exchangers surrounding each fluid tube, and joined at inlet and outlet tube sheets,c) an outlet plenum chamber where flow from each of the tubes in the tube-bundle merge,d) the imposition of some precision designed and positioned object or set of objects in the outflow of at least some portion of the individual tubes such that the fluid mass flow from those tubes is reduced by predictable amounts, the effect of which is to ...

Method and system for cooling hot objects

Apparatus (1) for cooling an automobile component (20) by means of a gas, the apparatus comprising a cooling box (11) with a re-closeable opening (12) for receiving an automobile component (20) to be cooled, wherein at least one heat sink (13) is provided inside the cooling box (11) for cooling of the gas, and wherein the apparatus (10) includes at least one infra sound pulsator (2,3) arranged to provide an infra sound into said cooling box (11) to improve heat exchange of the gas both with a cooling surface of the at least one heat sink (13), and with the automobile component (20).

Filling for heat exchanger

A heat exchanger for a heat pump comprises a chamber () for a working fluid. A wall () provides for heat exchange between the working fluid in the chamber and a substance in a space () on the opposite side of the wall. Said chamber () comprises a structure () of a filling material () that is substantially non-absorbent with respect to the working fluid. Said structure () defines a plurality of channels () for the working fluid. Said channels () are at least partly bound by the wall () separating the chamber () from the space (). Said channels () provide passage for the working fluid from an inlet () of the chamber () to an outlet () of the chamber. 1. A heat exchanger for a heat pump , comprisinga chamber for a working fluid; anda wall for heat exchange between the working fluid in the chamber and a substance in a space on the opposite side of the wall,said chamber comprising a structure of a filling material that is substantially non-absorbent with respect to the working fluid,said structure defining a plurality of channels for the working fluid, said channels at least partly being bound by the wall separating the chamber from the space,said channels providing passage for the working fluid from an inlet of the chamber to an outlet of the chamber.2. The heat exchanger of claim 1 , wherein the structure is made up of a plurality of grains.3. The heat exchanger of claim 1 , wherein the channels of the structure do not have dead ends.4. The heat exchanger of claim 1 , wherein the material comprises sand or quartz or grit.5. The heat exchanger of claim 1 , wherein the material comprises a polymer claim 1 , for example a thermoplastic polymer claim 1 , such as a polyoxymethylene copolymer claim 1 , POM-C claim 1 , or a polyoxymethylene homopolymer claim 1 , POM-H.6. The heat exchanger of claim 5 , wherein the material comprises polymer grains.7. The heat exchanger of claim 1 , wherein the material is substantially non absorbent with respect to oil.8. The heat exchanger ...

Internal liquid suction heat exchanger

In one aspect, an evaporator assembly for a refrigeration system is provided. The evaporator assembly includes a pressure vessel having an inlet and an outlet. The outlet is configured to supply refrigerant to a compressor of the refrigeration system. A liquid suction heat exchanger is disposed within the pressure vessel. The liquid suction heat exchanger is configured to receive a liquid refrigerant for heat exchange with the refrigerant in the pressure vessel.

Shell and tube heat exchanger with split shell and method of using

A shell and tube heat exchanger is described. The shell and tube heat exchanger includes a shell side having a separation plate dividing the shell into at least two compartments, each of the compartments having a feed inlet and a feed outlet; and a tube side comprising a plurality of tubes in the shell, at least one tube in each compartment, and the tube side having an effluent inlet and an effluent outlet. A method of heating a feed stream for a reaction zone using reactor effluent using the shell and tube heat exchanger is also described.

FALLING-FILM EVAPORATOR SUITABLE FOR LOW PRESSURE REFRIGERANT

Embodiments of the present disclosure are directed toward a falling-film evaporator that includes an evaporator cylinder, a mist eliminator disposed in the evaporator cylinder, a dispenser disposed in the evaporator cylinder, a liquid baffle disposed in the evaporator cylinder, a first chamber formed at least partially by the mist eliminator and the liquid baffle on a first side of the evaporator cylinder below the mist eliminator, a gas returning chamber formed at least partially by the mist eliminator and the liquid baffle on a second side of the evaporator cylinder above the mist eliminator, a gas-liquid separation chamber formed at least partially by the dispenser at an upper portion of the first chamber, and an evaporation chamber formed at least partially by the dispenser at a lower portion of the first chamber, and where the gas returning chamber is in fluid communication with the evaporation chamber. 1. A falling-film evaporator , comprising:an evaporator housing comprising an inlet configured to receive a refrigerant;a mist eliminator disposed in the evaporator housing;a dispenser disposed in the evaporator housing below the mist eliminator with respect to a flow of the refrigerant through the inlet;a liquid baffle disposed in the evaporator housing and coupled to the mist eliminator and the dispenser; anda gas-liquid separation chamber formed at least partially by the dispenser, the mist eliminator, and the liquid baffle, wherein the gas-liquid separation chamber is configured to separate the refrigerant into refrigerant vapor and refrigerant liquid, such that the refrigerant vapor flows from the gas-liquid separation chamber, through the mist eliminator, and toward an outlet of the evaporator housing.2. The falling-film evaporator of claim 1 , comprising the refrigerant claim 1 , wherein the refrigerant is R1233zd(E).3. The falling-film evaporator of claim 1 , comprising a falling-film tube bundle disposed in the evaporator housing and configured to place ...

System, method and apparatus for controlling ground or concrete temperature

A system, method and apparatus is described for achieving and maintaining concrete temperature during curing in order to improve the compressive strength of the finished concrete. A model to predict ambient conditions during a concrete pour is used to design an equipment layout scheme. A heating apparatus and a control system operate within the system to control concrete curing temperature. The system, method and apparatus are particularly useful for designing concrete pours of elevated slabs because the equipment layout is recommended based on the location of heat sinks such as I-beams, columns and rebar, etc. within a concrete slab. The system, method and apparatus are also useful for ground thawing projects.

Evaporator Heat Exchanger

An evaporator heat exchanger is disclosed. The evaporator heat exchanger includes a bottom plate, a top plate, and at least one main plate between the bottom plate and the top plate. The at least one main plate includes a first face having one or more channels for flow of a first fluid along the first face and a second face opposite the first face having one or more channels for flow of a second fluid along the second face, wherein heat is exchanged between the first fluid and the second fluid through the main plate. Main plates adjacent to each other define an enclosed channel for fluid flow.

Evaporator and Liquid Distributor

A liquid distributor delivers a falling flow of the liquid to be distributed substantially uniformly along a longitudinal extent of the liquid distributor. The liquid distributor has a bottom wall including a longitudinally extending distribution plate having a plurality of laterally spaced and longitudinally extending channels. A shell and tube evaporator for chilling a working fluid incorporates the liquid distributor as a distributor of liquid onto the heat exchange tubes of a tube bundle disposed within an interior volume of the shell. Each channel is aligned with a respective column of the plurality of vertical columns of heat exchange tubes and is configured to deliver a falling flow of liquid refrigerant onto the respective tube column substantially uniformly along the longitudinal extent of the respective tube column.

APPARATUS AND PROCESS FOR QUICK COOLING HEAT EXCHANGER IN CARBON BLACK PRODUCTION

Effluent from a carbon black reactor is directly discharged FIG. from the reactor to a quick cooling radiant heat exchanger before, or in some instances after, a reaction-stopping water quench. The cooled reaction quench is then supplied to an air preheater to preheat the carbonaceous feed stock that is supplied to the reactor. The heat exchanger includes a chamber having outside walls formed by heat exchanger tubes which are welded together. If desired, additional cooling capacity is provided by platens formed of heat exchanger tubes which are contained in the chamber to which the reactor effluent is supplied. 1. In a system for the production of carbon black by the furnace process which includes a reactor supplied with a fuel , preheated air and a carbonaceous feed stock , the improvement comprising:a quick cooling radiant heat exchanger located between an effluent discharge outlet of the reactor and an air preheater,said heat exchanger including a reactor effluent inlet in flow communication with the effluent discharge outlet of said reactor and an effluent outlet in flow communication with an effluent inlet of said air preheater,a chamber in said heat exchanger, heat exchanger tubes in said chamber, said heat exchanger tubes being arranged to effect heat transfer primarily by radiation between reactor effluent flowing through said chamber and a cooling medium supplied to said heat exchanger tubes.2. The improvement of wherein said chamber is bounded by said heat exchanger tubes which are welded to each other to form the exterior walls of said chamber.3. The improvement of wherein said chamber is fitted with hanging platens made up of heat exchange tubes claim 1 , said platens defining passages through which reactor effluent flows claim 1 , whereby substantially the entire outer surface of said heat exchanger tubes in said platens is contacted by said reactor effluent.4. The improvement of wherein said chamber includes first and second chamber sections claim 1 , ...

Combined plate-and-tube heat exchange evaporative condenser

The present invention discloses a combined plate-and-tube heat exchange evaporative condenser, which comprises a fan, a water pump, a water sprayer, a reservoir and a combined plate-and-tube heat exchanger; the combined plate-and-tube heat exchanger is composed of a plurality of combined plate-and-tube heat exchange pieces connected by inlet headers and outlet headers; the combined plate-and-tube heat exchange piece comprises a heat transfer plate and a serpentine tube machined by the heat exchange tube; the heat transfer plate is provided with a groove, and the shape of the groove is matched with that of the serpentine tube; the serpentine tube is disposed in the groove, and a gap between the serpentine tube and the groove is filled with a thermally conductive adhesive layer.

APPLICATION SYSTEM FOR APPLYING A COATING AGENT

An application system for applying a coating agent onto a component, in particular for applying a sealant onto a motor vehicle body part, includes a material supply for providing the coating agent, a temperature control device for controlling the temperature of the coating agent, an applicator for applying the coating agent, and a coating agent line between the material supply and the applicator. The temperature control device controls the temperature of the coating agent in the coating agent line downstream of the material supply. 115-. (canceled)16. An application system for applying a coating agent to a component , comprising:a material supply for providing the coating agent,an applicator for applying the coating agent to the component,a coating agent line extending between the material supply and the applicator, anda tempering apparatus thermally coupled to the coating agent line,wherein the tempering apparatus is configured to temper the coating agent in the coating agent line downstream of the material supply.17. The application system according to claim 16 , wherein claim 16 ,between the material supply and the applicator, the coating agent line extends at least in part into an at least partially closed receiving space, andthe tempering apparatus is configured to conduct a fluid heat carrier through the receiving space to temper the coating agent.18. The application system according to claim 16 , whereinthe tempering apparatus includes a heat carrier line, andthe tempering apparatus is configured to conduct a fluid heat carrier through the heat carrier line to temper the coating agent.19. The application system according to claim 18 , wherein claim 18 ,between the material supply and the applicator, the coating agent line extends at least in part into an at least partially closed receiving space,the heat carrier line extends, at least in part, through a portion of the receiving space, andthe heat carrier line includes one or more bores through a wall thereof, ...

A system and method for cooling a space utilizing thermal energy storage

A system and method of using the system is provided for cooling a building space through the use of thermal storage and release of energy by charging and discharging a phase change material comprising low temperature wax.

An evaporator and a method for vaporizing a substance in an evaporator

An evaporator ( 1 ) for vaporizing a substance into its gaseous form, which comprises a cylindrical outer shell ( 2 ) and a plate pack ( 4 ) arranged inside the cylindrical shell in its lower part and a droplet separator ( 9 ) arranged above the plate pack. A recirculation of a substance to be vaporized is carried out by using flow guides ( 10 a, 10 b ) arranged tightly between the plate pack and the outer shell and by an ejector pipe ( 13 ) arrangement comprising a collection pipe ( 11 ) arranged inside the outer shell.

APPARATUS AND METHODS FOR COOLING SAMPLES

Embodiments of the present invention are directed to apparatus and methods for performing separations of compounds held in a solution. Embodiments of the present invention allow detectors to operate at constant reproducible temperatures that are lower than the temperature of fluids exiting separation devices. An apparatus of the present invention has pump means, fluid conveying means, sample injection means, separation means and heat dissipation means. The heat dissipation means is in fluid communication with the separation means for receiving the fluid and removing thermal energy. 1. A device for performing separations of compounds held in a solution comprising:a. pump means for propelling a fluid;b. fluid conveying means in fluid communication with said pump means for receiving a fluid;c. sample injection means in communication with said fluid conveying means for placing a sample in said fluid;d. separation, means in communication with said fluid conveying means downstream of said sample injection means, said separation means comprising a stationary phase through which said fluid flows and generates heat said fluid having a post separation exiting temperature higher than ambient;e. heat dissipation means in fluid communication with said separation means for receiving said fluid and removing thermal energy, said fluid having a post cooling temperature at least twenty degrees centigrade less than said post separation exiting temperature.2. The device of wherein said heat dissipation means is a tubing having one or more cooling loops.3. The device of wherein said heat dissipation means is a tubing having one or more cooling fins.4. The device of wherein said heat dissipation means is a thermal cooling block.5. The device of wherein said thermal cooling block has cooling fins.6. The device of wherein said heat dissipation means is placed in an air stream.7. The device of wherein said air stream is generated by one or more fans.8. The device of further comprising one ...

Methods and systems of streaming refrigerant in a heat exchanger

Embodiments are disclosed to help create longitudinal refrigerant streams, for example, in a shell and tube type evaporator, so as to manage refrigerant and/or lubricant in the evaporator. In some embodiments, the shell side of the evaporator may include a plurality of longitudinally extended pans stacked in a vertical direction. In some embodiments, refrigerant can be directed onto a top pan. The refrigerant can form a longitudinal refrigerant stream along the pan and flow down to the next pan in the vertical direction and form another longitudinal refrigerant stream. Each of the pans may form a refrigerant pool to help exchange heat with a process fluid carried in heat exchanger tubes. By forming longitudinal refrigerant streams in the pans, heat exchange efficiency may be improved and a lubricant content in refrigerant streams may be concentrated toward a bottom of the evaporator.

SYSTEMS AND METHODS FOR CONFORMING TEST TOOLING TO INTEGRATED CIRCUIT DEVICE WITH WHIRLWIND COLD PLATE

A thermal control unit used to maintain a set point temperature on an integrated circuit device under test, has at least one cooling plate configured to facilitate the testing of integrated circuits where the device under test requires efficient cooling. 1. A thermal engine structure useful in association with an integrated circuit (IC) device tester , the thermal engine structure comprising:an inlet manifold;an outlet manifold; a plurality of micro-channels embedded in the whirlwind cold plate;', 'an array of linear cuts grooved in the whirlwind cold plate; and, 'a whirlwind cold plate includinga heater coupled to the whirlwind cold plate.2. The thermal engine structure of claim 1 , wherein at least one of the plurality of micro-channels embedded in the whirlwind cold plate includes at least one grooved helix configured to increase turbulence and surface velocity of a cooling fluid flowing in the at least one micro-channel.3. The thermal engine structure of claim 2 , wherein an axis of the at least one grooved helix aligns with an axis of the at least one micro-channel.4. The thermal engine structure of claim 2 , wherein a pitch of the at least one grooved helix in the at least one micro-channel is performance optimized for at least one of cooling fluid pressure claim 2 , flow rate claim 2 , and available space within the whirlwind cold plate.5. (canceled)6. The thermal engine structure of claim 1 , wherein the linear cuts grooved in the whirlwind cold plate are optimized to reduce a mass of the whirlwind cold plate while maximizing heat transfer to a cooling fluid.7. The thermal engine structure of claim 1 , wherein the linear cuts grooved in the whirlwind cold plate are optimized for a fast response of the thermal engine structure.8. The thermal engine structure of claim 1 , wherein the linear cuts grooved in the whirlwind cold plate are aligned with the micro-channels embedded in the whirlwind cold plate to maximize heat transfer from the thermal engine ...

Temperature control devices and methods

Temperature control devices and methods are described. The described temperature control devices and methods comprise optical emission and detection assemblies and can be used in PCR and qPCR applications.

COOLING SYSTEM

An apparatus includes a high side heat exchanger, a flash tank, a first load, a first compressor, an auxiliary cooling system, and a first check valve. The high side heat exchanger removes heat from a refrigerant. The flash tank stores the refrigerant from the high side heat exchanger. The first load uses the refrigerant to remove heat from a space proximate the first load. The first compressor compresses the refrigerant from the first load. The auxiliary cooling system removes heat from the refrigerant stored in the flash tank during a power outage. The first check valve directs the refrigerant between the first load and the first compressor back to the flash tank when the pressure of the refrigerant between the first load and the first compressor exceeds a threshold during the power outage. 1. An apparatus comprising:a high side heat exchanger configured to remove heat from a refrigerant;a flash tank configured to store the refrigerant from the high side heat exchanger;a first load configured to use the refrigerant to remove heat from a space proximate the first load;a first compressor configured to compress the refrigerant from the first load;an auxiliary cooling system configured to remove heat from the refrigerant stored in the flash tank during a power outage; anda first check valve configured to direct the refrigerant between the first load and the first compressor back to the flash tank when the pressure of the refrigerant between the first load and the first compressor exceeds a threshold during the power outage.2. The apparatus of claim 1 , further comprising:a second load configured to use the refrigerant to remove heat from a second space proximate the second load;a second compressor configured to compress the refrigerant from the second load, the first compressor further configured to compress the refrigerant from the second compressor; anda second check valve configured to direct the refrigerant between the second load and the second compressor back to ...

Direct Expansion Evaporator

A direct expansion evaporator includes a feeding channel having a feeding end and a dispensing end for raw material feeding therethrough, and a heat exchange channel thermally communicating with the feeding channel for guiding refrigerant passing through the heat exchange channel to heat-exchange with the raw material to form a frozen product. The heat exchange channel has a pre-cooling portion and a freezing portion, wherein the heat exchange channel is configured to ensure a traveling time of the refrigerant at the pre-cooling portion to be longer than a traveling time of the refrigerant at the freezing portion. The raw material is guided to flow from the pre-cooling portion to the freezing portion so as to initially pre-cool the raw material and to substantially freeze the raw material to form the frozen product before the frozen product is dispensed at the dispensing end of the feeding channel.