Roller sealing device and gas-sealing method thereof

A roller sealing device arranged at an access port of a continuous furnace for adapting a continuous processed planar processed material. The rolling device includes a pair of first roller carriers arranged correspondingly opposite to each other, each having a first roller assembly. Each first roller carrier includes a first sealing roller and two first auxiliary rollers; the first sealing roller and two first auxiliary rollers are pivoted to a respective one of the first roller carriers; the two first auxiliary rollers are located between the first sealing roller and the corresponding first roller carrier. The first auxiliary rollers rollingly abut against the first sealing roller and the corresponding first roller carrier. Therefore, the roller sealing device is sealed well so as to prevent the gas from leakage. The present invention further provides a gas-sealing method.

Method for scheduling the operation of energy distribution devices, and installation implementing same

The invention relates to a method for optimizing the supply of energy, over a time interval/of duration D, to an installation equipped with N energy distribution devices operating in all-or-nothing mode and by duration modulation, an operation duration Δi being allocated to each of the N energy distribution devices over the time interval/by a command/control system of the installation. According to the method: a schedule is defined over the time interval/by means of the time division of the set of operating sequences of the N energy distribution devices (B 1 ,B 2 . . . BN), and the schedule is calculated before the start of the time interval/by taking account of the desired operation durations Δi of each energy distribution device and, for the distribution device of order number 1, by searching for the optimal position(s) over the time interval of the operating sequence(s) of this distribution device which make it possible to minimize a function U representative of the fluctuations of the energy throughput over the time interval, the sequences of the other devices retaining the positions of the initial schedule, so as to obtain a resulting optimal schedule; and the above is repeated on the basis of the optimal schedule, using successively the distribution devices of higher order number up to the distribution device of order number N, and that which minimizes function U is adopted.

SUPERIMPOSED ZONES PROCESS HEATING

Embodiments of the present invention include a heating method and apparatus in which a plurality of heated regions is superimposed in order to improve energy density control. 2. The apparatus of claim 1 , wherein the first heat source and second heat source comprise lasers.3. The apparatus of claim 1 , wherein the first heat source and second heat source comprise microwave heat sources.4. The apparatus of claim 1 , wherein the first heat source and second heat source comprise ultraviolet heat sources.5. The apparatus of claim 1 , wherein the first heat source and second heat source comprise infrared heat sources.6. The apparatus of claim 1 , further comprising a third heat source.7. The apparatus of claim 6 , wherein the third heat source is configured and disposed to form a third energy window on the material claim 6 , wherein the second energy window is completely superimposed on the third energy window.9. The apparatus of claim 8 , wherein the first heat source claim 8 , second heat source claim 8 , and third heat source claim 8 , are arranged to form nested energy windows.10. The apparatus of claim 9 , wherein the first heat source claim 9 , second heat source claim 9 , and third heat source claim 9 , are arranged to form five heat zones.11. The apparatus of claim 9 , further comprising a tape feed controller claim 9 , configured and disposed to dispense a composite tape into the five heat zones.12. The method of claim 11 , wherein the first heat source claim 11 , second heat source claim 11 , and third heat source comprise microwave heat sources.13. The method of claim 12 , wherein the first heat source claim 12 , second heat source claim 12 , and third heat source comprise ultraviolet heat sources.14. The method of claim 12 , wherein the first heat source claim 12 , second heat source claim 12 , and third heat source comprise infrared heat sources.15. A method for heating a composite material comprising:passing the composite material through a first energy ...

KILN CONTROL

A gas fired burner control system for a kiln for firing for instance ceramic items. The system including a plurality of operating modes, with the system being configured such that during a firing cycle the system can move between operating in different modes. 1. A gas fired burner control system for a kiln , the system including a plurality of operating modes , with the system being configured such that during a firing cycle the system can move between operating in different modes.2. A control system according to claim 1 , in which in the operating modes claim 1 , the gas and air supplies to a burner or burners are controlled as required.3. A control system according to claim 2 , in which the operating modes comprise two or more of the following:First mode—excess air pilot pulse mode, where gas is pulsed through a pilot valve, with air being supplied in an amount to provide a significant excess amount of air beyond a stoichiometric mixture of gas and air;Second mode—pilot pulse mode, where gas is pulsed through a pilot valve with air being supplied to provide an at least approximate stoichiometric level of gas and air;Third mode—excess air main pulse mode, where gas is pulsed through a main valve, with air being supplied in an amount to provide a significant excess amount of air beyond a stoichiometric mixture of gas and air;Fourth mode—main pulse mode, where gas is pulsed through a main valve with air being supplied to provide an at least approximate stoichiometric level of gas and air;Fifth mode—fixed air mode, where air is provided at a fixed level, and the amount of gas is varied as required; Sixth mode—excess air ratio control mode, where the ratio of air and gas is maintained substantially constant, with air being supplied in an amount to provide a significant excess amount of air beyond a stoichiometric mixture of gas and air;Seventh mode—excess air ratio control mode, where the ratio of air and gas is maintained substantially constant, with air being ...

SMART SLIDE

A sliding style furnace cap features a furnace tube cap and a slider. The furnace tube cap has a first cap portion to couple to a furnace tube of a furnace, and a second cap portion with a bearing assembly arrangement. The furnace tube cap also has an inner tube cap channel passing through it with an inner tube cap channel sealing arrangement configured to extend outside the inner tube cap channel. The slider has an orifice/channel configured therein passing through the slider, couples and slides in the bearing assembly arrangement from an inject position to a rinse position, and vice versa, has a cam-like contoured surface with a first ramp configured to couple a first raised surface and an intermediate lower surface, and with a second ramp configured to couple the intermediate lower surface to a second raised surface. The slider also moves towards the inner tube cap channel and causes the bearing assembly arrangement to force a part/side of the slider to push against the inner channel sealing arrangement as part of the roller bearing arrangement rides up either the first ramp to the first raised portion when the slider is moved to the inject position, or the second ramp to the second raised portion when the slider is moved to the rinse position, and the first part of slider configured to seal the inner tube cap channel sealing arrangement when the slider is in either the inject position or the rinse position. The slider also moves away from the inner tube cap channel and causes the bearing assembly arrangement to allow the part/side of the slider to float above the inner channel sealing arrangement as the part of the roller bearing assembly rides along the intermediate lower surface when the slider is in transition between the inject position and the rinse position. 1. A furnace system comprising:a sliding style furnace cap having a furnace tube cap and a slider;the furnace tube cap having a first cap portion configured to couple to a furnace tube of a furnace, ...

Furnace door sealing device for low-pressure diffusion furnace

A furnace door sealing device for a low-pressure diffusion furnace is provided. The furnace door sealing device includes a furnace door, a fixed shaft and a fixed base which are coaxially arranged in sequence from front to back. A bearing pedestal is fixed at the center of the rear end surface of the furnace door. A centripetal knuckle bearing is arranged in the bearing pedestal. An outer ring of the centripetal knuckle bearing is fixed in the bearing pedestal. An inner ring of the centripetal knuckle bearing fixedly sleeves the front end of the fixed shaft. The rear end of the fixed shaft is fixed in the fixed base. A supporting plate is also fixed on the front end surface of the fixed base. Multiple spring adjusting assemblies are arranged on the supporting plate at an interval.

NONFERROUS METAL MELTING FURNACE AND METHOD FOR MELTING NONFERROUS METAL

A vortex chamber includes an outer circumference wall, a container, an annular shoal portion provided between the container and the outer circumference wall so as to encircle the outer circumference of the container, and a dam portion protruding upward from the upper surface of the outer circumference of the container so as to partition the container from the shoal portion. An undried nonferrous metal block is fed into the shoal portion, the block having such a size that is not completely submerged into the molten metal in the shoal portion. The fed nonferrous metal block is gradually melted to have a reduced volume of small pieces and particles of nonferrous metal, which are re-circulated in the shoal portion, flown over the dam portion, and dropped into the container, thereby forming a vortex in the container in which remaining small pieces and particles submerged into the molten metal are melted. 1. A nonferrous metal melting furnace comprising:a heating chamber for heating molten metal to increase and hold the temperature of the molten metal;a vortex chamber communicated with the heating chamber, the vortex chamber being arranged to submerge and melt in a vortex of the molten metal a nonferrous metal being fed; anda re-circulation metal pump,the re-circulation metal pump being used to feed the molten metal in the heating chamber to the vortex chamber and feed the molten metal discharged from the vortex chamber back to the heating chamber, the vortex chamber comprising:an outer circumference wall configured so as to provide a flow passage through which the molten metal is fed from a side of the heating chamber, the outer circumference wall having internally a space;a container disposed at an internal center of the outer circumference wall, and having an opening at an upper side thereof and a tapered wall of an upside down conical shape at a lower side thereof;a shoal portion annularly provided between the container and the outer circumference wall so as to ...

INDUSTRIAL FURNACE AND PROCESS FOR CONTROLLING THE COMBUSTION INSIDE IT

Industrial furnace () which can be used for example for treating semi-finished and siderurgical products, metal and inorganic materials, comprising a) a hot chamber () in which a combustion takes place and the hot gases generated by the combustion come in direct contact with the materials to be treated (p) in the furnace itself; B) a combustion stabilising system in turn comprising b1) an injection system in turn comprising at least a mixer () arranged to mix a fuel and a diluent before injecting them into the hot chamber (). The diluent has the effect of reducing the amount of nitrogen oxides in the combustion products. It considerably reduces the consumption of required diluent and the Nox emissions in the fumes. 11) Industrial furnace () which can be used for example for treating semi-finished and siderurgical products , metal and inorganic materials , comprising:{'b': '3', 'a hot chamber () in which a combustion takes place and the hot gases generated by the combustion come in direct contact with the materials to be treated (p) in the furnace itself;'} [{'b': 11', '3, 'an injection system in turn comprising at least a mixer () arranged to mix a fuel and a diluent before injecting them into the hot chamber (), wherein the diluent has the effect of reducing the amount of nitrogen oxides in the combustion products;'}, 'a control system arranged to act on the injection system so as to eliminate or, in any case, reduce the formation of flames or of other hot spots during the combustion in the hot chamber, where the hot spots indicate that the combustion is taking place in presence of flame., 'a combustion stabilising system in turn comprising21919) Industrial furnace according to claim 1 , wherein the control system comprises at least a vibration detector () arranged to detect optical claim 1 , electromagnetical claim 1 , acoustic claim 1 , mechanical vibrations in the hot chamber and is arranged to control the injection system according to the detections of the ...

BURNER AND SPREADING ARRANGEMENT FOR A BURNER

Provided is a burner such as a concentrate burner or a matte burner for feeding reaction gas and fine solids into a reaction shaft of a suspension smelting furnace. The burner comprises an annular fine solids discharge channel that is radially limited at the outside by a first annular wall and that is radially limited at the inside by a second annular wall. The annular fine solids discharge channel is configured to receive fine solids from a fine solids feeding arrangement and to create an annular flow of fine solids in the annular fine solids discharge channel. The annular fine solids discharge channel being provided with spreading means configured to be hit by the annular flow of fine solids and configured to even out particle distribution in the annular flow of fine solids. 119.-. (canceled)20. A burner such as a concentrate burner or a matte burner for feeding reaction gas and fine solids into a reaction shaft of a suspension smelting furnace ,wherein the burner comprises an annular fine solids discharge channel that is radially limited at the outside by a first annular wall and that is radially limited at the inside by a second annular wall,wherein the first annular wall being an inner wall of a reaction gas feeding means that surrounds the annular fine solids discharge channel,wherein the second annular wall being formed by an outer wall of a fine solids dispersion device in the annular fine solids discharge channel,wherein the annular fine solids discharge channel is configured to receive fine solids from a fine solids feeding arrangement and to create an annular flow of fine solids in the annular fine solids discharge channel, andwherein the annular fine solids discharge channel is provided with spreading means configured to be hit by the annular flow of fine solids and configured to even out particle distribution in the annular flow of fine solids,the spreading means is attached to a separate supporting structure arranged in the annular fine solids ...

Metallurgical Furnace

An electrode seal for use in a metallurgical furnace, the furnace comprising a furnace space heated by electrodes extending through an aperture into the furnace space. The electrode seal comprises at least three sets of shoes in consecutive lateral contact, each shoe having a biasing member for biasing a surface of the shoe toward one of the electrodes thereby allowing the one electrode to longitudinally move within the electrode seal while providing electrical insulation between the electrode and the aperture. 1. An electrode seal for use in a metallurgical furnace , the furnace comprising a furnace space heated by electrodes extending through an aperture into the furnace space , the seal comprising:at least three sets of shoes in consecutive lateral contact, each shoe having a biasing member for biasing a surface of the shoe toward one of the electrodes thereby allowing the one electrode to longitudinally move within the electrode seal while providing electrical insulation between the electrode and the aperture.2. The electrode seal of claim 1 , wherein the at least three sets of shoes provide a gap around the electrode to allow for a free lateral movement of that electrode.3. The electrode seal of claim 1 , wherein the at least three sets of shoes allow for a lateral movement of the one electrode therewithin while maintain the electrical insulation.4. The electrode seal of claim 1 , wherein the at least three sets of shoes comprise a first layer of ceramic inner shoes and a second layer of copper outer shoes claim 1 , the two layers of shoes forming a circle and an inner diameter of the circle being greater than the electrode thereby providing a gap therebetween.5. The electrode seal of claim 1 , wherein the at least three sets of shoes are drilled through evenly distributed holes from outside to inside.6. The electrode seal of claim 1 , wherein the biasing member is a spring.7. The electrode seal of claim 1 , wherein the biasing member is adjustable to provide ...

SEALING DEVICE, IN PARTICULAR FOR A SHAFT INSERTED TRANSVERSELY IN A VESSEL OF FLUIDS UNDER PRESSURE OR GRANULAR MATERIAL IN MOVEMENT

A sealing device for a vessel to achieve a fluid-tight seal in an aperture made in the lateral wall of said vessel, into which aperture a shaft is inserted. The sealing device comprises first sealing means disposed in contact with the shaft in the zone of said aperture, and second sealing means, comprising a containing body and a flexible connection element. The first sealing means comprise a plurality of sealing rings, disposed coaxial to the shaft and in contact with the latter, and a containing tube to contain the sealing rings. The lateral wall of the vessel comprises an interface flange. A closing flange is connected to the interface flange and to a flanged end of the containing body by means of attachment means and is positioned in contact with the containing tube and with the flexible connection element to keep the first sealing means in a determinate axial position with respect to the shaft. 1. A sealing device for a vessel suitable to contain fluids under pressure and/or granular material in movement , to achieve a fluid-tight seal in an aperture made in the lateral wall of said vessel , into which aperture a shaft is inserted in a through manner and with play , said sealing device comprising:first sealing means disposed in contact with said shaft in the zone of said aperture and configured to follow possible axial and flexional movements of said shaft, while still allowing a possible rotation of said shaft with respect to them and to said lateral wall,second sealing means, comprising at least a containing body and a flexible connection element and disposed in said aperture with a first part fixed to said lateral wall and a second part connected in sealed manner with said first sealing means to allow reciprocal movements of said first sealing means and said lateral wall,wherein said first sealing means comprise a plurality of sealing rings, disposed coaxial to said shaft and in contact with the latter, and a containing tube to contain said sealing rings and ...

Sintering Furnance

Disclosed is a sintering furnace comprising a furnace body and a lifting device, wherein the furnace body comprises a furnace chamber () and a furnace mouth (), the furnace chamber () is connected with the furnace mouth (), wherein the sintering furnace further comprises a sealing member () provided at the lifting device; when the sintering furnace is in a loading or unloading condition, the sealing member () blocks the furnace mouth (). When the sintering furnace is in an unloading condition, the sealing member () can block the furnace mouth (), the furnace chamber () does not contact with the outside directly, thus the temperature in the furnace chamber () will not drop sharply, and the service life of the sintering furnace will be increased. 1. A sintering furnace comprising a furnace body and a lifting device , wherein the furnace body comprises a furnace chamber and a furnace mouth , the furnace chamber is connected with the furnace mouth , wherein the sintering furnace further comprises a sealing member provided at the lifting device; when the sintering furnace is in a loading or unloading condition , the sealing member blocks the furnace mouth.2. The sintering furnace of claim 1 , wherein the sealing member comprises a plug and at least two support rods claim 1 , each support rod has a lower end fixedly connected to the lifting device and an upper end fixedly connected to the plug claim 1 , the sealing member blocks the furnace mouth through the plug.3. The sintering furnace of claim 2 , wherein the support rods are ceramic support rods.4. The sintering furnace of claim 2 , wherein the plug is an alumina ceramic fiber plug or a polycrystalline mullite fiber plug.5. The sintering furnace of claim 1 , wherein the sealing member and the lifting device are formed in one piece with a sample space provided therein for placing a sintered sample.6. The sintering furnace of claim 5 , wherein the sample space is a through hole extending in a horizontal direction.7. The ...

METHOD, ARRANGEMENT, AND PELLETISING PLANT

A method includes the introduction of a first medium into the compartment through an inlet and the heating of the first medium when it is present in the inlet. The heating takes place through the use of a combustion arrangement that is arranged in the inlet and that comprises fuel. The heating, the use of the combustion arrangement, includes in turn the ignition of the fuel, combustion of the fuel, and the transfer of the combustion heat to the first medium that is present at the combustion arrangement in the inlet. The combustion arrangement, is arranged in a region in the inlet, which in turn is arranged outside of the direct passage of the first medium in and through the inlet, such that the ignition of the fuel, the combustion of the fuel and the transfer of combustion heat to the first medium take place in this region. 1. A method for heating of a medium in a compartment in which iron ore pellets are arranged to be oxidized and sintered with the aid of the medium , the method comprising:introducing a first medium into the compartment through an inlet connected to the compartment;heating the first medium in the inlet using a combustion arrangement or a part thereof arranged in the inlet, wherein the combustion arrangement or a part thereof comprises fuel, where the use of the combustion arrangement or a part thereof comprises the ignition of the fuel, combustion of the fuel, whereby combustion heat is developed, and transfer of the combustion heat to the first medium that is present at the combustion arrangement or a part thereof;wherein the combustion arrangement or a part thereof is in a region in the inlet that, in turn, is arranged outside of a direct passage of the first medium in and through the inlet such that the ignition of the fuel, the combustion of the fuel and the transfer of combustion heat to the first medium take place in this region, followed by onward transport of the heated first medium from the region into the compartment through the inlet.2. ...

Flameless Impingement Oven

A flameless combustion oven arranges gas and air jets to directly impinge on product, being heated to substantially promote transfer of heat to the product by impingement transfer rather than by conventional radiation and thermally induced convection. In one embodiment, a set of spaced air and gas nozzles are uniformly distributed on a wall of the oven opposite the product to provide substantially uniform impingement over a surface of the product. 1. A flameless impingement oven comprising:an oven cavity providing oven walls and a contained surface for supporting a product to be heated within the oven cavity;a regenerator receiving heated air passing out of the oven cavity through first channels and receiving fuel passing into the oven cavity through second channels, the first channels and second channels adapted to provide heat conduction between the first and second channels to heat the fuel for flameless heating of the oven cavity;a plurality of fuel gas jets receiving gas from the second channels and facing into the oven cavity to direct gas toward the surface;wherein the fuel jets are arranged to distribute the fuel within the oven cavity to support flameless heating of the oven cavity; andwherein the fuel jets are positioned to direct fuel into direct impingement against a product on the surface for impingement heating.2. The flameless impingement oven of wherein the regenerator further includes third channels receiving air passing into the oven cavity through the third channels claim 1 , the first and third channels adapted to provide heat conduction between the first and third channels to heat the air for flameless heating of the oven cavity; and further including a plurality of air jets receiving air from the third channels to direct air toward the surface;wherein the air jets are arranged to distribute the air within the oven cavity to support flameless heating of the oven cavity; andwherein the air jets are positioned to direct air into direct impingement ...

APPARATUS FOR HEATING PLASTIC PREFORMS BY MEANS OF MICROWAVES

An apparatus is provided for heating plastic preforms, having a plurality of resonator units, into which in each case plastic preforms can be introduced in order to heat the latter, having at least one microwave generating unit for generating microwaves, and having a feed device for feeding to at least one resonator unit the microwaves generated by the microwave generating unit, and having at least one rectifier unit for providing a rectified voltage. Further, at least one rectifier unit provides voltage for operating at least two resonator units. 1. An apparatus for heating plastic preforms , having a plurality of resonator units , into which in each case plastic preforms are introduced in order to heat the latter , having at least one microwave generating unit for generating microwaves , and having at least one feed device for feeding to at least one resonator unit the microwaves generated by the at least one microwave generating unit , and having at least one rectifier unit for providing a rectified voltage , wherein the at least one rectifier unit provides voltage for operating at least two resonator units of the plurality of resonator units.2. The apparatus according to claim 1 , further comprising a transport device for introducing the plastic preforms into the plurality of resonator units and/or for taking the plastic preforms out of the plurality of resonator units.3. The apparatus according to claim 1 , further comprising at least one high voltage generating unit for operating a generator of high frequency voltage.4. The apparatus according to claim 3 , wherein the at least one high voltage generating unit provides high voltage for operating at least two resonator units of the plurality of resonator units.5. The apparatus according to claim 1 , wherein at least one microwave generating device generates microwaves for operating at least two resonator units of the plurality of resonator units.6. The apparatus according to claim 1 , further comprising at least ...

Plasma and Oxygas Fired Furnace

The present disclosure concerns an apparatus suitable for smelting and separating metals in flexible oxido-reduction conditions. More particularly, it concerns an apparatus for smelting metallurgical charges comprising a bath furnace susceptible to contain a molten charge up to a determined level, characterized in that the furnace is equipped with: at least one non-transfer plasma torch for the generation of first hot gases; at least one oxygas burner for the generation of second hot gasses; and, submerged injectors for injecting said first and second hot gases below said determined level. 110-. (canceled)11. Apparatus for smelting metallurgical charges comprising a bath furnace susceptible to contain a molten charge up to a determined level , characterized in that the furnace is equipped with:at least one non-transferred plasma torch for the generation of first hot gases;at least one oxygas burner for the generation of second hot gasses; and,submerged injectors for injecting said first and second hot gases below said determined level.12. The apparatus according to claim 11 , wherein said at least one burner and at least one torch are located below said determined level.13. The apparatus according to claim 11 , wherein the ratio of a total nominal enthalpy expressed as MJ/s of the oxygas burner(s) to that of the plasma torch(es) is from 1:5 to 5:1.14. The apparatus according to claim 11 , wherein the ratio of the total nominal gas flow rate expressed as Nm̂/s claim 11 , susceptible to be fed into the oxygas burner(s) to that susceptible to be fed into the plasma torch(es) is from 1:10 to 10:1.15. The apparatus according to claim 11 , wherein the furnace has a generally cylindrical shape claim 11 , having a circular bottom with a diameter d claim 11 , and sidewalls with a height h claim 11 , the ratio of h to d being more than 4.16. A process for smelting metallurgical charges using the apparatus according to claim 11 , comprising:feeding a metallurgical charge ...

INFRARED BAKING DEVICE AND ELECTRONIC COMPONENT BAKING METHOD USING SAME

The infrared baking device includes: a furnace chamber having an opening openable/closable by an opening/closing cover and allowing an internal space thereof to be tightly sealed; a baking object placement portion on which a baking object is to be placed and which is extractable/insertable through the opening; a heater lamp for heating the heating object by infrared rays; and a thermocouple provided at the baking object placement tray. A furnace wall of the furnace chamber is configured so that infrared rays from the heater lamp are collected and radiated to the tray. The thermocouple is provided in a contactor to contact with the tray. The tray and the contactor are made of the same material which absorbs the infrared rays. 1. An infrared baking device comprising:a furnace chamber having an opening openable/closable by an opening/closing cover and allowing an internal space thereof to be tightly sealed;a baking object placement tray on which a baking object is to be placed and which is extractable/insertable through the opening;a heater lamp configured to heat the tray by radiating infrared rays thereto; anda thermocouple provided at the tray, whereina furnace wall of the furnace chamber is configured so that infrared rays from the heater lamp are collected and radiated to the tray,the thermocouple is provided in a contactor to contact with a vicinity of a center part of the tray,the tray and the contactor are made of the same material which absorbs the infrared rays, andthe tray is heated by being irradiated with the infrared rays by the heater lamp from upper and lower sides of the tray.2. The infrared baking device according to claim 1 , whereinthe tray is placed on the contactor.3. The infrared baking device according to claim 1 , whereinan end of the heater lamp is fixed to the furnace wall such that airtightness of the internal space is maintained, and the tray and the heater lamp are located in the internal space.4. The infrared baking device according to ...

HORIZONTAL HEAT TREATMENT APPARATUS AND CARBON FIBER PRODUCTION METHOD USING HORIZONTAL HEAT TREATMENT APPARATUS

The present invention is: a horizontal heat treatment apparatus for continuously heat-treating by moving a continuous flat workpiece to be treated (carbon-fiber-precursor fiber bundles) back and forth in the horizontal direction on multiple levels inside a heat treatment chamber, the horizontal heat treatment apparatus being characterized by being provided with a sealing chamber () which is continuous from the entrance () side of the heat treatment chamber () in to which the workpiece to be treated is conveyed to the exit (′) side thereof and that is vertically delimited by partition plates making a heat transfer zone in which 2 to 4 levels of the workpiece are transferred, among which the temperature of the workpiece transferred in a lower level is higher than the temperature of the workpiece transferred in a higher level. As a result, the horizontal heat treatment apparatus completely prevents leakage of poisonous gas produced in the heat treatment chamber, and effectively prevents energy loss. 1. A horizontal heat treatment apparatus that continuously performs a heat treatment on a continuous flat workpiece while moving the continuous flat workpiece in a reciprocating manner through a heat treatment chamber in a plurality of stages in the horizontal direction ,wherein the following conditions (1) to (3) are satisfied:(1) the heat treatment chamber has sealing chambers which are connected to an entrance and an exit of the workpiece;(2) one or more partition plates having the workpiece traveling in the horizontal direction in both of the upper and lower sides are disposed inside the sealing chamber and zones defined in the vertical direction are formed by two partition plates or by one partition plate and an inner wall of the sealing chamber; and(3) the partition plate is disposed so as to satisfy the following conditions (a) and (b):(a) the zones include one or more heat transfer zones in which the workpiece being conveyed into the heat treatment chamber is ...

PLASMA FURNACE HAVING LATERAL DISCHARGE GATES

The present invention relates to a plasma furnace capable of separating and discharging different kinds of molten material, which comprises a furnace body ; and a heating portion for heating the lateral discharge gate , wherein the furnace body comprises a melt discharge portion formed through a lower portion of the melting chamber provided for accommodating molten material; and at least two lateral discharge gates provided at different heights capable of discharging molten material. 1. A plasma furnace comprising:a furnace body; anda heating portion,wherein the furnace body comprises a melt discharge portion formed through a lower portion of the melting chamber provided for accommodating molten material; and at least two lateral discharge gates provided at different heights capable of discharging molten material, andwherein the heating portion is capable of heating the lateral discharge gate.2. The plasma furnace according to claim 1 ,wherein the melt discharge portion comprises a dam type discharge gate provided to protrude on the lower portion of the melting chamber to discharge the molten material above a predefined height.3. The plasma furnace according to claim 2 ,wherein the dam type discharge gate further comprises an induction heater.4. The plasma furnace according to claim 1 ,wherein the lateral discharge gate is moved up and down with respect to the furnace body to open and close a discharge flow path.5. The plasma furnace according to claim 1 , further comprising:a discharge chamber provided on the lateral portion of the furnace body for accommodating the discharged melt along the lateral discharge gate and having an outlet at the lower portion.6. The plasma furnace according to claim 5 ,wherein the discharge chamber further comprise a window for observing the inside of the furnace.7. The plasma furnace according to or claim 5 ,wherein the discharge chamber further comprise a door that can be opened and closed. The present invention relates to a plasma ...

Seal and sealing method for temperature control chamber doors

A system for sealing a lower edge of a temperature control chamber door to a temperature control chamber housing when the door is closed has a pair of opposed radiused corners provided at opposed lower corners of the door opening, and a resilient seal member having opposed radiused corners substantially complimentary in shape to the radiused corners of the opening.

덴탈 퍼니스

본 발명의 일 실시예는 본체부, 상기 본체부 내부에 구비되는 가열실, 상기 가열실에 배치되는 단열 구조체, 발열체가 장착되고 내부에 소결 대상물이 안착되며, 상기 단열 구조체 내부에 배치되는 발열부, 상기 가열실 상측에 설치되어 상기 발열체로 마이크로웨이브를 조사하는 마그네트론, 상기 발열부의 온도를 감지하는 온도감지센서 및 상기 온도감지센서의 감지신호를 수신하고, 상기 마그네트론을 제어하는 제어부를 포함하되, 상기 발열체는 SiC 소재의 서클(circle) 타입 구조를 갖으며, 상기 소결 대상물의 상하부에 위치하도록 구성되는 덴탈 퍼니스를 제공한다.

카본 전극 보디의 종방향 흑연화 장치

본 발명은 카본 보디의 종방향 흑연화(lengthwise graphitization)(LWG)를 위한 로 장치와 방법에 관한 것으로서, 카본 전극 보디를 포함하도록 정치식 리브 지지체상에 설치되고 그리고 열절연된 충진 재료를 에워싸는 U형 금속 로 구역을 사용하고 그리고 수직 도관이 U형 금속 로의 평행 배열 사이에 제공되고 그리고 수적이 금속 로 구역상에 추가로 분무된다.

Longitudinal Graphitization Device for Carbon Electrode Body

본 발명은 카본 보디의 종방향 흑연화(lengthwise graphitization)(LWG)를 위한 로 장치와 방법에 관한것으로서, 카본 전극 보디를 포함하도록 정치식 리브 지지체상에 설치되고 그리고 열절연된 충진 재료를 에워싸는 U형 금속 로 구역을 사용하고 그리고 수직 도관이 U형 금속 로의 평행 배열사이에 제공되고 그리고 수적이 금속 로 구역상에 추가로 분무된다. The present invention relates to a furnace apparatus and method for lengthwise graphitization (LWG) of a carbon body, comprising: a U material that is installed on a stationary rib support and encloses a thermally insulated fill material to include a carbon electrode body. Using a metal furnace zone and a vertical conduit is provided between the parallel arrangement of the U-shaped metal furnace and water droplets are further sprayed onto the metal furnace zone.

Gas sealing means for rotary kiln

PURPOSE: A gas sealing unit of a rotary kiln is provided to prevent damage to equipment due to dust by filtering dust first before blocking gas. CONSTITUTION: A gas sealing unit of a rotary kiln comprises a rotary disk(221), packing fixing holders(222), a ring-shaped packing unit(310), a joint unit(223), and an expansion joint. The rotary disk is connected to a rotary tube at the right angle. The packing fixing holders are installed on both sides of the rotary disk, respectively and formed with packing grooves on the surface thereof facing the rotary disk. The packing unit is installed in the packing grooves to contact the rotary disk. The joint unit makes the packing fixing holders face each other and tightens the holders. The expansion joint connects the packing fixing holders and the fixing cover and surrounds the rotary tube.

Gypsum drying and/or burning plant

FIELD: devices for gypsum dehydration and semihydrate gypsum production. SUBSTANCE: method involves supplying hot gases to inlet of the first channel; delivering gypsum to inlet of the second channel, which is concentric to the first one; moving gypsum in the second channel by supply screw; providing indirect heat-exchange between gypsum and hot gases; burning gypsum to obtain semihydrate gypsum. Gypsum movement and indirect heat-exchange stages include drying and partial burning gypsum to create semihydrate gypsum. Gypsum burning at the last stage is terminated in bringing gypsum into contact with hot gases. The last burning operation is of pulsed type. Gypsum movement and heat-exchanging stages continue for 30 sec-5 min. Gypsum burning by hot gases is carried out for 1-10 sec. Device for described method realization and ready product are also disclosed. EFFECT: increased productivity and product quality. 27 cl, 2 dwg, 1 tbl ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 316 517 (13) C2 (51) ÌÏÊ C04B 11/028 (2006.01) F27B 17/00 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2004129751/03, 04.03.2003 (72) Àâòîð(û): ÔÀËÈÍÎÂÅÐ Øàðëü (FR) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 04.03.2003 (73) Ïàòåíòîîáëàäàòåëü(è): ËÀÔÀÐÆ ÏËÀÒÐ (FR) R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 08.03.2002 (ïï.1-27) FR 02/02955 (43) Äàòà ïóáëèêàöèè çà âêè: 20.08.2005 (45) Îïóáëèêîâàíî: 10.02.2008 Áþë. ¹ 4 2 3 1 6 5 1 7 2 3 1 6 5 1 7 R U (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 08.10.2004 C 2 C 2 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: ÅÐ 0230793 À2, 05.08.1987. SU 91532 A1, 01.01.1951. SU 1621809 A3, 15.01.1991. FR 2493826 A, 14.05.1982. US 4101630 A, 18.07.1978. US 3329417 A, 04.07.1967. ÅÐ 0083549 A, 13.07.1983. ÁÓÄÍÈÊΠÏ.Ï. Ãèïñ, åãî èññëåäîâàíèå è ïðèìåíåíèå. - Ì.: Ñòðîéèçäàò, 1943, ñ.36-38. ÁÓÒÒ Þ.Ì. è äð. Òåõíîëîãè â æóùèõ âåùåñòâ. - Ì.: Âûñøà øêîëà, 1965, ñ.25, 26, 31, ...

DEVICE FOR DRYING AND / OR COOKING GYPSUM

Air temperature equalizer for combustion of regenerative burner

본 고안은 버너로 공급되는 연소용공기의 온도편차를 최소화하여 연소로 내부의 균일한 화염발생으로 연소로 내부의 분위기가스를 일정하게 유지할 수 있는 축열식 버너의 연소용공기 온도균일화장치에 관한 것으로, 배기관으로 배출되는 배기가스의 양을 조절하기위해서 배기관의 일측에 설치된 댐퍼와, 상기 댐퍼와 배기팬사이에 설치되어 배기가스를 분기시키는 분기관과, 상기 분기관의 끝단에 설치되어 분기된 배기가스를 순환시키며 밸브가 설치된 순환관과, 상기 순환관의 끝단이 연결되고 버너와 축열기의 사이에 연결된 연결관의 일측에 설치되어 순환되는 배기가스를 분사시키는 분사노즐로 이루어진 것이다. The present invention relates to a temperature control device for combustion air of a regenerative burner that can maintain a constant atmosphere gas inside the combustion furnace by generating a uniform flame inside the combustion furnace by minimizing the temperature deviation of the combustion air supplied to the burner. A damper provided at one side of the exhaust pipe to control the amount of exhaust gas discharged to the exhaust pipe, a branch pipe installed between the damper and the exhaust fan to branch the exhaust gas, and branched exhaust gas provided at the end of the branch pipe. It is made up of a circulating pipe circulating the valve and the injection nozzle is connected to the end of the circulating pipe is installed on one side of the connection pipe connected between the burner and the heat accumulator to inject the exhaust gas circulated.

Crucible for high temperature heat treatment of massive parts

Creuset pour le traitement thermique de matériaux élaborés par métallurgie des poudres comprenant:-un support,-un bol positionné sur le support,-une couche en un matériau suscepteur positionnée autour du bol,-une première paroi positionnée autour de la couche en matériau suscepteur,-une seconde paroi positionnée autour de la première paroi,-un chapeau en contact avec au moins une des deux parois, caractérisé en ce qu’au moins une des deux parois présente au moins une lumière destinée à permettre le passage de l’air pour refroidir le creuset. Crucible for the heat treatment of materials produced by powder metallurgy comprising: -a support, -a bowl positioned on the support, -a layer of susceptor material positioned around the bowl, -a first wall positioned around the layer of susceptor material , -a second wall positioned around the first wall, -a cap in contact with at least one of the two walls, characterized in that at least one of the two walls has at least one lumen intended to allow the passage of air to cool the crucible.

Regenerative burner of reverse type and method of heating furnace

FIELD: energy. SUBSTANCE: invention relates to power engineering. Regenerative burner apparatus, comprising: a burner housing having a gas channel extending therethrough; a single-stage heat regenerator provided with a housing enclosing a fluid-porous heat regenerative media bed having an upper surface and a lower surface, said housing having an opening communicating with an exterior of said apparatus; a first gas passageway in said housing directly interconnecting said gas channel of said burner housing and said lower surface of said heat regenerative media bed; and a second gas passageway in said housing interconnecting said opening in said housing communicating with said exterior and said upper surface of said heat regenerative media bed, said first and second gas passageways being in communication with each other substantially only through said heat regenerative media bed, said housing including a liquid collection chamber directly beneath said lower surface of said heat regenerative media bed. Said chamber for collecting fluid comprises a sump at its lower wall. EFFECT: invention allows to reduce heat losses, contamination of heat regenerative medium. 27 cl, 13 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 581 683 C2 (51) МПК F23L 15/02 (2006.01) F27B 3/26 (2006.01) F27D 17/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013133272/06, 20.12.2011 (24) Дата начала отсчета срока действия патента: 20.12.2011 (72) Автор(ы): РАУХ Эдвин Л. (US) (73) Патентообладатель(и): НОВЕЛИС ИНК. (CA) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.01.2015 Бюл. № 3 R U 23.12.2010 US 61/460,049 (45) Опубликовано: 20.04.2016 Бюл. № 11 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 23.07.2013 2 5 8 1 6 8 3 (56) Список документов, цитированных в отчете о поиске: US 2002/0072020 A1, 13.06.2002. US 0005217373 A1, 08.06.1993. JPH 0010153307 A), 09.06.1998. US 4378045 A1, 29. ...

Sealed structure of rotary kiln

According to an embodiment of the present invention, a sealed structure of a rotary kiln comprises: a rotating structure (30) rotatably provided on a first fixed structure (10); a main supporter ring (100) disposed on the outer circumference of the rotating structure; a first sub supporter ring (120) disposed on the outer circumference of the rotating structure; a second sub supporter ring (130) disposed on the outer circumference of the rotating structure on a side opposite to the first sub supporter ring; a plurality of supporter brackets (200) installed at the outer circumference of the main supporter ring; a plurality of bolts (300) screwed through the supporter bracket; a plurality of springs (400) installed on the bolts to exert a restoring force in an expanding direction; a plurality of pushers (500) installed on the bolts such that a linear motion is free, and receiving the restoring force of the spring; first and second sealing units (610, 620) in close contact with the main supporter ring, the first sub supporter ring, the rotating structure, and the pusher; and third and fourth sealing units (630, 640) in close contact with the main supporter ring, the second sub supporter ring, the rotating structure, and the pusher. Thus, airtightness between the fixed structure and the rotating structure can be maintained.

Sealing device for furnace port

Method for longitudinal graphite coating of bodies of carbon electrodes and device which implements said method

FIELD: graphite coating of carbon members. SUBSTANCE: method involves using set of stationary spaced dielectric fire-proof ribbed resting members which are located on dielectric stationary platform. Every resting member has pair of adjacent U-shaped holes which are positioned side by side, have open top and are spaced from main platform. They are also spaced from one another by means of piece of fire- proof ribbed member strut which is designed as whole. Multiple resting members are located in parallel, so that U-shaped holes match. In addition furnace has multiple insulated U-shaped solid metal sections with open top which external, internal and bottom surfaces are spaced from main platform which is located between adjacent resting members. Ends of metal sections are located in U- shaped holes of resting members. Adjacent metal sections are spaced by vertical air duct which is formed by pieces of resting members, piece of main platform and side surfaces of metal sections. Vertical air duct is open from top and bottom and increased speed shaped as Venturi tube, which bottom hole provides forced air cooling of metal sections of furnace. This results in possibility to decrease cooling time of graphite-coated electrodes down to temperature which allows safe removal of electrodes from furnace. EFFECT: increased functional capabilities. 19 cl, 22 dwg отусестс ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2129 340 ' 13) СЛ ПМ" Н 05 В 3/60, Е 270 11/04, С 01 В 3/04 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 96122394/25, 19.11.1996 (30) Приоритет: 21.11.1995 Ш$ 08/561.369 (46) Дата публикации: 20.04.1999 (56) Ссылки: 4$ 4015068,1977. МО 87/06685 АЛ, (71) Заявитель: Юкар Карбон Текнолоджи Корпорейшн (ЦЗ) (72) Изобретатель: Аллан Вебстер Интермилл (1$), Френсис Эдвард Вайз (1$), Дэвид Артур Лер (9$) 1987. 4$ 4394166 А, 1983. ЗЦ 164369 А, 1964. (73) Патентообладатель: <“ ЗИ 947432 А, 1982. 5Ц 996835 А, 1983. ЗИ Юкар Карбон ...

Combined burner and tuyere for electric arc furnaces

FIELD: metallurgy. SUBSTANCE: proposed device comprises burner to fire fuel and oxidiser and tuyere. Note here that the latter is equipped with convergent-divergent nozzle with critical section of d diameter. Note also that tuyere and nozzle outlets are not concentric and spaced by distance D where D is smaller than or equal to 20 * d, preferably, smaller than or equal to 10 * d, while tuyere axis and burner axis make the angle varying from 10° to 40°, preferably from 15° to 30°. Note that said burner is used in, at least, one part of smelting process for fuel and oxidiser combustion to generate flame inside electric arc furnace while tuyere is used at refining to generate supersonic jet. EFFECT: higher power efficiency. 16 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 494 324 (13) C2 (51) МПК F27B 3/22 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010133224/02, 06.01.2009 (24) Дата начала отсчета срока действия патента: 06.01.2009 (43) Дата публикации заявки: 20.02.2012 Бюл. № 5 (56) Список документов, цитированных в отчете о поиске: ЕР 964065 А, 15.12.1999. DE 19625537 С1, 30.04.1997. RU 2061199 С1, 27.05.1996. SU 1765190 А1, 30.09.1992. SU 1827386 А1, 15.07.1993. 2 4 9 4 3 2 4 R U (86) Заявка PCT: EP 2009/050068 (06.01.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.08.2010 (87) Публикация заявки РСТ: WO 2009/087142 (16.07.2009) Адрес для переписки: 129090, Москва, ул.Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. А.В.Мицу, рег.№ 364 (54) КОМБИНИРОВАННОЕ УСТРОЙСТВО ИЗ ГОРЕЛКИ И ФУРМЫ ДЛЯ ЭЛЕКТРОДУГОВЫХ ПЕЧЕЙ (57) Реферат: Изобретение относится к области металлургии, в частности к комбинированным устройствам для создания ориентированного пламени для использования в электродуговой печи. Устройство содержит горелку для сжигания топлива и окислителя и фурму, при этом фурма оборудована сужающимсярасширяющимся соплом, содержащим ...

Blast furnace bottom part escape gas combustion apparatus

본 발명의 목적은 고로 저부로 누출되는 가스를 포집하여 가스탱크의 내부에 보관하고 그 가스탱크의 내부에 보관된 가스를 점화부로 배출시키면서 연소시켜 가스누출에 의한 환경오염 및 작업자의 가스 중독을 미연에 방지할 수 있는 고로 저부 누출가스 연소장치를 제공함에 있다. An object of the present invention is to collect the gas leaked to the bottom of the blast furnace and to store the inside of the gas tank and to burn the gas stored in the gas tank to the ignition unit to burn the environmental pollution and gas poisoning of the operator by gas leakage. The present invention provides a blast furnace bottom gas combustion device that can prevent the blast furnace. 이와 같은 목적을 달성하기 위한 본 발명은 고로의 외벽을 감싸는 철피(3)와 고로 저부에 설치된 베이스(1)의 사이에 발생되는 틈(t)사이로 누출되는 가스를 포집 하도록 철피 하단부와 베이스 상면에 설치되고 일측에는 배기관(12)이 연결되며 상면 일측에는 가스 검지기(11)가 설치된 포집관(10)이 마련되고, 상기 배기관에 연결되어 그 배기관을 통하여 배기되는 누출가스를 보관하는 가스탱크(20)가 마련되며, 상기 가스탱크에 보관된 가스를 연소시키도록 연소관(31)을 매개로 연결된 버너(30)가 마련되고, 상기 버너의 일측에는 가스를 점화시키는 점화봉(40)이 마련되며, 상기 가스의 누출에 따라 상기 버너(30)를 제어하는 제어부(50)가 마련되며; 상기 연소관(31)에는 가스에 화염을 착화시키도록 가스의 일부를 버너의 내부로 공급하는 착화관(32)이 설치되고, 상기 점화봉(40)은 버너의 내부에서 승강 되도록 실린더(41)에 설치되어, 점화봉(40)에 의한 연소관(31)의 착화가 착화관(32)을 매개로 간접적으로 이루어지도록 구성된다. The present invention for achieving the above object is to collect the gas leaked between the gap (t) generated between the shell (3) surrounding the outer wall of the blast furnace and the base (1) installed on the bottom of the blast furnace to the lower part of the shell and the base upper surface A collection pipe 10 is installed and connected to an exhaust pipe 12 on one side and a gas detector 11 is provided on one side of the upper surface, and a gas tank 20 connected to the exhaust pipe and storing the leaked gas exhausted through the exhaust pipe. ) Is provided, a burner 30 connected to the combustion tube 31 through a combustion tube 31 is provided to burn the gas stored in the gas tank, and one side of the burner is provided with an ignition rod 40 to ignite the gas. A controller 50 for controlling the burner 30 in accordance with the leakage of the gas is provided; The combustion tube 31 is ...

Burner for burning the by-product gas in the ironworks

본 발명은 연소실의 측벽을 관통하여 고정설치되고 제철소에서 생성되는 고로가스, 전로가스 및 코크스 가스와, 중유를 연소시키기 위한 버너에 관한 것으로서, 일단부가 폐쇄되어 있고 타단부가 상기 연소실의 내부를 향해 개방되어 있고 측벽에 복수개의 공기 소통구가 형성되어 있는 원통형상의 외부 하우징과, 상기 외부 하우징의 내부에 상기 코크스 가스가 유입될 수 있는 소정 크기의 제1챔버가 형성되도록 상기 외부 하우징의 일단부 내측에 부착되고 상기 제1챔버에 유입된 코크스 가스를 상기 연소실 내부로 분사하기 위한 복수개의 제1노즐이 유체소통이 가능하게 일측면에 설치되어 있는 원통부재와, 상기 원통부재의 외부에 상기 고로가스가 유입될 수 있는 소정크기의 제2챔버가 형성되도록 상기 외부 하우징의 내부에서 종방향으로 가로질러 설치되고 상기 제2챔버에 유입된 전로가스를 상기 연소실 내부로 분사하기 위한 복수개의 제2노즐이 유체소통이 가능하게 설치되어 있는 격리벽과, 상기 외부 하우징의 내부에서 상기 외부 하우징과 동축을 이루도록 상기 격리벽으로부터 상기 외부 하우징의 타단부를 향해서 설치되고 상기 외부 하우징의 내측에 상기 고로가스가 유입되어 상기 연소실로 분사될 수 있는 소정크기의 제3챔버를 한정하는 내부 하우징과, 상기 외부 하우징과 동축을 이루도록 상기 외부 하우징의 일단부로부터 상기 제1챔버를 관통하여 상기 외부 하우징의 타단부를 향해서 설치되고 상기 연소실을 향해서 중유를 분사할 수 있는 중유 하우징과, 상기 중유 하우징의 내부에 설치되어 분사되는 중유를 점화시키기 위한 점화기로 이루어지 고, 상기 외부 하우징의 측벽에 관통하여 형성된 복수개의 공기 소통구를 개폐시킬 수 있도록 상기 외부 하우징의 외주면에 활주가능하게 설치되는 덮개와, 상기 덮개를 활주시키기 위한 활주구동수단을 더 포함하는 것을 특징으로 하므로, 하나의 버너몸체에 여러 종류의 연료의 연소가 가능하고 부생가스 회수상태에 따라서 각 버너마다 연료를 선택적으로 연소하도록 함으로써 가스발생 상황에 따른 버너작동에 신축적으로 대응할 수 있어 가스가 대기중으로 방산되는 것을 억제하고 또한 운전휴지중인 보일러 연소구를 배제하여 연소실에 고른 열 분포로 인한 연소효율 증대와 보일러 수관의 국부적인 가열에 의한 수관 팽출 사고를 방지할 수 있으며, 저 칼로리의 연료인 고로가스의 안정적인 연소제어에 의해 고로가스의 점화시 착화 불량에 따른 가스역화현상 또는 폭발 등의 대형 사고를 방지할 수 있다. 고로가스, 전로가스, 코크스 가스, 중유, 챔버

Burner and method for processing oxidizable materials

Burner assembly for use in industrial heating and melting applications of material susceptible to oxidation at elevated temperatures is comprised of a flow passage of oxidant surrounded by an annular flow passage of fuel whereby the oxidant is substantially contained inside the fuel layer up to at least 5 oxidant nozzle diameters downstream of the burner outlet in order to minimize contact between the oxidant and the furnace load.

Method for combusting a fuel-oxidant mixture

Converting apparatus between exhausted gas discharge line and combustion gas feeding line in heat accumulative combustion system

본 고안은 축열식 연소 시스템에서 배출 가스 및 연소용 공기관의 절환 장치에 관한 것으로 특히, 제철소의 제강 공장의 래들 및 일반 가열로 등을 가열 하는데 있어 에너지를 절약하기 위하여 축열식 연소 시스템을 사용할 경우 배출 가스와 연소용 공기의 배관을 절환할 때 이용되는 축열식 연소 시스템에서 배출 가스 및 연소용 공기관의 절환 장치에 관한 것으로, 절환 밸브의 수를 줄일수 있어서 길고 복잡한 배관 라인을 간단하게 만들 수 있으며, 배출 가스 및 연소용 공기의 정환 위치를 버너 근처에서 이루어지게 함으로써 고온의 배출 가스를 통과시키는 배출 가스 배관의 길이가 짧아져 시스템이 차지하는 공간을 줄일 수 있으며, 튜브를 통한 배기용 공기의 분사로 배기 덕트의 길이를 단축할 수 있고, 각 절환 밸브를 제어하는 제어 시스템의 구성이 간단해 지고 짧은 주기로 여러 개의 밸브를 제어함으로써 밸브를 개폐시키는 정확도를 향상시켜 주는 효과를 제공한다. The present invention relates to an apparatus for switching exhaust gas and combustion air pipes in a regenerative combustion system. In particular, when using a regenerative combustion system in order to save energy in heating ladles and general furnaces of a steel mill of a steel mill, The present invention relates to a device for switching exhaust gas and combustion air pipes in a regenerative combustion system used to switch piping for combustion air. The number of switching valves can be reduced to simplify a long and complicated piping line. By reducing the position of combustion air near the burner, the length of the exhaust gas pipe through which hot exhaust gas passes can be shortened to reduce the space occupied by the system.The length of the exhaust duct by the injection of exhaust air through the tube Control system for controlling each switching valve This improves the accuracy of opening and closing the valve by simplifying the performance and controlling several valves in a short cycle.

Method and means for connecting generator to reactor

Process for effecting a sealed connection under pressure, between a plasma generator for industrial application and a reactor such as a tank furnace for reduction of metal oxides, is described in which devices for making electrical contact on the plasma generator are connected automatically to fixed contact points when the plasma generator is brought, by remote control into its working position from a closed position in which the plasma generator blocks the reactor. A remote controlled valve is arranged to isolate the reactor from the environment when the plasma generator is in its closed position, then the generator is moved to its working position.

Process and devices for induction heating of a moving elongate metallurgical product

소재(11)는 그 축방향으로 적어도 하나의 자기 유도체(10,10')에 대하여 상대운동을 한다. 야금소재(11)에는 이 소재(11)의 길이 방향을 가로지르는 평행하지 않는 방향을 가진 적어도 두개의 자속(19,19')이 형성된다. 가열장치는 소재(11)의 진행의 축방향을 따른 간격 및 각도 간격을 두고 배치된 두개의 C자형 자기요크 (14,14')로 구성되는 것이 바람직하다. The material 11 makes relative motion with respect to the at least one magnetic derivative 10, 10 ′ in its axial direction. The metallurgical material 11 is formed with at least two magnetic fluxes 19, 19 ′ with non-parallel directions transverse to the longitudinal direction of the material 11. The heating device is preferably composed of two C-shaped magnetic yokes 14, 14 'arranged at intervals and angular intervals along the axial direction of travel of the material 11.

Continuous annealing furnace

A continuous annealing furnace is disclosed. According to an embodiment of the present invention, the continuous annealing furnace comprises: a furnace body forming a heating space; a cylindrical muffle vertically provided to be long in the furnace body, wherein a strip pass therethrough; and a connection device connecting an entrance duct exit portion arranged in a lower portion of the muffle and a lower end of the muffle in a sealing state. The connection device comprises: a cylindrical connector coupled to a lower portion of the muffle; a cylindrical corrugated pipe connecting a lower portion of the connector and the entrance duct exit portion to be flexibly deformed; a first lower side insulation plug installed in an upper portion at an internal side of the connector; and a second lower side insulation plug installed in the entrance duct exit portion entering an internal side of the corrugated pipe.

Apparatus and method for controlling injection of fuel-gas

연료가스의 발열량이 발열량 안정범위 미만인 경우 보조연료를 공급하여 가열로로 공급되는 연료가스의 발열량을 발열량 안정범위 이상으로 유지하도록 하는 연료가스 공급 제어장치 및 방법이 제시된다. 제시된 연료가스 공급 제어장치는, 코크스공장에서 연료가스 홀더로 공급되는 연료가스의 발열량과 발열량 설정값을 비교하여 보조연료의 투입 여부를 판단하는 판단부; 판단부에서 보조연료의 투입으로 판단하면 보조연료와 연료가스를 혼합하여 가열로의 버너로 공급하도록 제어하는 제어부; 제어부의 제어에 따라 보조연료를 공급하는 보조연료 공급부; 및 제어부의 제어에 따라 연료가스 홀더로부터 공급되는 연료가스 및 보조연료 공급부로부터 공급되는 보조가스를 혼합하여 버너로 공급하는 연료가스 혼합부를 포함한다.

Switching device of exhaust gas and air pipe for combustion in regenerative combustion system

Device for sealing steaming chamber

Method and apparatus for pretreatment of rolled article before hot rolling

FIELD: metallurgy. SUBSTANCE: invention relates to metallurgy, specifically to a method and a device for preliminary treatment of a rolled article. Method for preliminary treatment of a rolled steel article before hot rolling includes preliminary heating of rolled article in preheating furnace using burners, removal of scales in device for removal of scales and heating article in heating furnace using burners. Burner is fired at conditions lower than stoichiometric conditions, carbon carrier while holding article in furnace in reducing atmosphere. Further, method includes introduction of a first part of exhaust gas and oxygen into preheating furnace and post-combustion of first part of exhaust gas in preheating furnace. Amount of oxygen is selected to allow holding of article in preheating furnace in an oxidative atmosphere. EFFECT: providing energy-efficient heating and thorough release from scale. 14 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 605 733 C2 (51) МПК C21D 8/02 (2006.01) C21D 9/00 (2006.01) F27D 7/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013158326/02, 01.06.2012 (24) Дата начала отсчета срока действия патента: 01.06.2012 (72) Автор(ы): ХОЕНБИХЛЕР, Геральд (AT), ЛИНЦЕР, Бернд (AT) 10.06.2011 AT A861/2011 (43) Дата публикации заявки: 20.07.2015 Бюл. № 20 R U (73) Патентообладатель(и): ПРАЙМЕТАЛЗ ТЕКНОЛОДЖИЗ АУСТРИА ГМБХ (AT) Приоритет(ы): (30) Конвенционный приоритет: (45) Опубликовано: 27.12.2016 Бюл. № 36 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 10.01.2014 2 6 0 5 7 3 3 (56) Список документов, цитированных в отчете о поиске: WO 03/064069 A1, 07.08.2003. RU 2106212 C1,10.03.1998. RU 2233717 C2, 10.08.2004. DE 102007005015 A1, 03.01.2008. US 2010/0218911 A1, 02.09.2010. (86) Заявка PCT: 2 6 0 5 7 3 3 R U C 2 C 2 EP 2012/060327 (01.06.2012) (87) Публикация заявки PCT: WO 2012/168141 (13.12.2012) Адрес для переписки: 129090, Москва, ул. Б. Спасская, ...

Apparatus for removing gas of blast furnace tap hole

본 발명은 용광로 출선구의 가스 제거장치에 관한 것으로, 용광로의 출선구 휴지 중 출선구에서 발생하는 가스의 배출이 이루어지도록 하여 출선구 주변에 가스가 정체되지 않도록 하는 용광로 출선구의 가스 제거장치에 관한 것이다. The present invention relates to a gas removal apparatus of the furnace exit port, to the gas removal apparatus of the furnace exit port so that the gas generated in the exit port during the stop of the outlet exit of the furnace is made so that the gas does not stagnate around the exit port. It is about. 본 발명에 따른 용광로 출선구의 가스 제거장치는 상기 출선구의 외측 영역에 장착되며, 상기 출선구의 내부에서 발생되는 가스가 외부로 배출되도록 중앙부에 외부에 노출되는 일 측면으로 부터 출선구의 시공부와 마주한 다른 일 측면까지 가스 배출공이 형성되는 스탬프재를 포함하여 구성될 수 있다. Gas removal apparatus of the outlet of the blast furnace according to the present invention is mounted on the outer region of the outlet, the construction of the outlet from one side exposed to the outside in the center so that the gas generated inside the outlet is discharged to the outside It may be configured to include a stamping material is formed gas discharge hole to the other side facing the portion. 본 발명에 의하면, 출선구의 굴착 성형시 출선구에 정체된 가스로 인한 폭발사고를 방지하여 작업자의 안전을 확보할 수 있고, 출선구의 휴지시 가스 배출 불량과 출선구의 내,외부 온도편차 발생에 의한 출선구의 변형을 미연에 방지할 수 있으며, 또한 휴지중에 대탕도의 보수작업을 수행하는 작업자들의 가스 중독을 예방할 수 있게 되므로 용광로 조업의 안정과 안전재해를 예방할 수 있는 등의 유용한 효과가 얻어진다. According to the present invention, it is possible to ensure the safety of the operator by preventing the explosion accident due to the stagnant gas at the exit port during the excavation molding of the exit port, poor gas discharge and the internal and external temperature deviation of the exit port It is possible to prevent the deterioration of the exit opening due to the occurrence, and also to prevent gas poisoning of workers who perform repair work of the large hot water during the rest, and thus it is useful to prevent the safety of the furnace operation and to prevent the safety disaster. Is obtained. 출선구, 대탕도, 가스 배출공, 용광로, 출선구 폭발, 출선구 예열 Outlet, large bath, gas outlet, furnace, outlet explosion, outlet preheating

Structure of air supply pipe for roller hearth kiln

본 고안은 타일이나 도자기 등의 요업제품의 소성에 사용되는 롤러하스킬른의 소성대에 설치된 버너로 공기를 공급하는 급기배관의 구조개선에 관한 것이다. The present invention relates to a structural improvement of an air supply pipe for supplying air to a burner installed in a firing table of a roller haskiln used for firing ceramic products such as tiles and ceramics. 본 고안은 예열대(2)와 소성대(3) 및 냉각대(4)가 연속적으로 설치되고 소성대의 양 외벽에 다수의 버너(6)가 설치된 롤러하스킬른에 있어서, 킬른의 소성대 하우징(h)의 길이방향을 따라 네모서리에 설치되는 프레임을 중공의 사각형 프레임 파이프(12a)로 형성하여 서로 연통되도록 하고, 이들 프레임 파이프(12a)와 각각의 버너(6) 사이를 플렉시블 파이프로 이루어진 분기 파이프(12b)로 연결하여 공기의 공급이 이루어지도록 구성한 데에 기술적 특징이 있다. The present invention provides a kiln firing stand housing in a roller haskiln in which a preheating stand 2, a firing stand 3, and a cooling stand 4 are continuously installed and a plurality of burners 6 are installed on both outer walls of the firing stand. h) the frame installed in the corners along the longitudinal direction of the hollow rectangular frame pipe (12a) is formed so as to communicate with each other, the branch consisting of a flexible pipe between the frame pipe (12a) and each burner (6) There is a technical feature in that it is configured to be connected to the pipe 12b to supply air. 본 고안 롤러하스킬른의 급기배관 구조에서는 킬른 하우징의 상하부에 별도의 급기용 메인 파이프를 설치하지 않고 킬른의 하우징을 구성하는 지지프레임을 급기용 메인 파이프로 이용함으로써 배관구조가 매우 간편해지고 킬른의 외관이 향상되며 또한 유지보수도 손쉽게 수행할 수 있는 이점이 있다. In the air supply pipe structure of the present invention roller has kiln, the piping structure becomes very simple by using the support frame constituting the kiln housing as the air supply main pipe without installing a separate air supply main pipe on the upper and lower parts of the kiln housing. This has the advantage of being easier to perform and also easier to maintain.

Pilot burner for initial iqnition

본 고안은 주점화장치인 메인 버너를 초기 점화시키기 위한 파이롯 버너에 관한 것으로서, 보다 상세하게는 초기 전극체의 스파크를 이루는 지점과, 화염형성에 따른 부품별 열화 및 부식현상으로 파이롯 버너의 기능 상실을 방지할 수 있도록 한 초기점화용 파이롯 버너에 관한 것이다. The present invention relates to a pilot burner for initially igniting a main burner, which is a main ignition device, and more specifically, to a point of forming a spark of an initial electrode body and deterioration and corrosion of each part due to flame formation. An initial ignition pilot burner is provided to prevent malfunction. 본 고안은 COG 연료홀(30a)과 에어홀(30b)을 갖춘 하우징(30)과, 이 하우징(30)을 수평으로 관통하여 고정되고 전류를 공급하는 플러그(34)와, 내부에서 COG 연료가스와 에어를 혼합하면서 공급하는 버너 튜브(32)와, 그리고 상기 플러그(34)의 단부에 연결되고 그 말단부에서 스파크를 이루게 하는 팁(40a)을 포함하는 전극체(40)와, 상기 하우징(30) 부분으로부터 전극체(40)의 단부에 이르기까지 감싸고 있는 절연용 애자인 절연체(42)와, 상기 버너 튜브(32)의 단부에 지지링(36)으로 감싸여진 상태로 연결되고 혼합연료가스가 분사되는 연료 가스 노즐(38)과, 이 연료 가스 노즐(38)을 통해 상기 전극체(40)측 말단부의 팁(40a)과 스파크를 이루게 하는 통전부재인 지지링(36)과, 상기 연료 가스 노즐(38)의 단부에 연결되고 외주면에 수개의 보염구멍(44a)이 형성되어 있는 보염통(44)으로 구성된 초기점화용 파이롯 버너를 제공함에 있다. The present invention has a housing 30 having a COG fuel hole 30a and an air hole 30b, a plug 34 for horizontally fixing the housing 30 to supply current, and a COG fuel gas therein. And an electrode body 40 including a burner tube 32 for supplying air with air, a tip 40a connected to an end of the plug 34 and sparking at an end thereof, and the housing 30. Insulator 42, which is an insulator for insulation from the portion to the end of the electrode body 40, and connected to the end of the burner tube 32 in a state surrounded by a support ring 36, and the mixed fuel gas is The fuel gas nozzle 38 to be injected, the support ring 36 which is an energizing member which makes a spark with the tip 40a of the end part of the said electrode body 40 side through this fuel gas nozzle 38, and the said fuel gas Inflammation, which is connected to the end of the nozzle 38 and has several insulated holes 44a formed on the outer circumferential surface thereof. An initial ignition pilot burner consisting of a ...

Device for changing seal-felt of outlet in bright annealing furnace

본 발명의 목적은 실펠트를 기계적으로 인출시킴으로서 가스의 누출을 최대한 줄일 수 있고. 교체에 소요되는 시간을 줄일 수 있도록 된 광휘소둔로 아웃렛 실팰트 교환장치를 제공함에 있다. An object of the present invention is to mechanically draw the seal felt to reduce the leakage of gas as much as possible. The present invention provides a light annealing outlet outlet felt exchange device that can reduce the time required for replacement. 이에 본 발명은 광휘소둔로의 리턴덕트에 있어서, 상기 리턴덕트 밀폐용 실펠트가 끼워지도록 일측면이 개구되고, 선단에는 상방향과 하방향을 취하는 걸고리가 각각 설치되는 사각형태의 실펠트 케이스와, 리턴덕트 하부의 아웃렛에 실펠트 케이스가 슬라이딩가능하게 설치되는 레일부재, 리턴덕트 외측에 설치되어 레일부재에 끼워진 실펠트 케이스를 인출하기 위한 인출수단을 포함하여, 실펠트를 인출함과 동시에 새 실펠트를 교체할 수 있도록 된 것을 특징으로 하는 광휘소둔로 아웃렛 실팰트 교환장치를 제공한다. Accordingly, the present invention, in the return duct of the bright annealing furnace, the one side surface is opened so that the return duct sealing seal felt is fitted, and the square felt felt case is provided at the front end and the hooks taking up and down directions, respectively; And a drawing member for drawing the felt felt case which is installed on the outer side of the return duct so that the felt felt case is slidably installed in the outlet of the return duct, and withdrawing the felt felt case fitted to the rail member. It provides a bright annealing furnace outlet seal felt exchange device, characterized in that the seal felt can be replaced.

Method and apparatus for keeping heat of refractory materials of converter

PURPOSE: A method and an apparatus for keeping heat of refractory materials of a converter are provided which improves work productivity and extends a life cycle of the refractory materials of the converter by maintaining a temperature inside the furnace to around 1100 to 1200 deg.C during regular repairing and planed stopping of the converter. CONSTITUTION: The method for keeping heat of refractory materials of a converter comprises the steps of closing a tapping hole of the converter(30) using cerawool(15); observing whether or not heat is remained in the converter after tilting the converter to a heat protection position; inserting a heat protection burner(20) into a central hole(13-1) after closely adhering a heat protection cover(13) to a furnace mouth of the converter; and protecting heat of the refractory materials of the converter by ejecting air and gas through nozzles of the heat protection burner when an internal heat is remained in the converter in the heat observation step inside the converter, and protecting heat of the refractory materials of the converter by igniting the heat protection burner using an igniter when an internal heat is not remained in the converter. The apparatus for protecting heat of refractory materials of a converter comprises a heat protection burner(20) which penetrates a central hole(13-1) of a heat protection cover(13), wherein nozzles are installed on the front surface of the heat protection burner(20) that is positioned at the inner side of the converter(30); supply lines(23,24) which are connected to the rear part of the heat protection burner(20) so as to supply air and gas to the nozzles respectively, and flow rates of which are controlled by valves(23-1,24-1); and igniter which is installed at the rear part of the heat protection burner(20) so as to ignite a gas supplied through the supply line(24).

Device for drying and / or calcining gypsum

본 발명은, 하소 공간(2); 고온 기체의 공급원(3)에 연결되는 유입구 및 하소 공간(2)에 있는 유출구를 가지는 제 1 파이프(4); 석고 공급원(8)에 연결되는 유입구 및 하소 공간에 있는 유출구를 갖고, 제 1 파이프와 동심인 제 2 파이프(5); 및 제 2 파이프의 적어도 일부분 내에 위치하여, 하소 공간 안을 따라서 석고를 운반하는 힘 공급 스크루(6)를 포함하는 석고 건조기/하소기(1)에 관한 것이다. The present invention, the calcination space (2); A first pipe 4 having an inlet connected to a source 3 of hot gas and an outlet in the calcination space 2; A second pipe 5 concentric with the first pipe and having an inlet connected to the gypsum source 8 and an outlet in the calcination space; And a force supply screw 6 located in at least a portion of the second pipe and carrying the gypsum along the calcination space. 또한, 본 발명은 석고 하소 방법 및 상기 방법에 의해 얻어질 수 있는 플래스터에 관한 것이다. The invention also relates to a gypsum calcination method and a plaster obtainable by the method. 석고, 건조, 하소, 플래스터 Plaster, dry, calcination, plaster

A leakage detecting device for radiative heat transferring tube in heat treatment furnace

본 발명은 열처리로 및 건조로 도는 소둔로의 간접 가열방식에 사용하공 있는 복사전열관의 구멍발생 및 구멍발생정도를 설비가동중에도 쉽게 진달할 수 있는 복사전열관 구멍발생 진단장치에 관한 것으로, 각각의 가스버너(20의 가스밸브(3) 상부에 제어부(7)에의해 일정시간을 갖고 순차적으로 개폐되는 전자개폐식 가스밸브(4)가 설치되고, 복사전열관(1) 파공시복사전열관(1) 내부로 흡입되는 질소량에 따라 생기는 복사전열관(1)GNEKS 배기가스의 산소농도 변화를 산소농도 분석을 통하여 검출하는 산소검출기(6)와, 산소검출기(6)에 의해 검출된 데이터를 나태는 모니터(8)로 구서오딘 복사전열관 구멍발생 진단장치를 제공한다. The present invention relates to an apparatus for diagnosing radiant heat exchanger holes that can easily advance the hole generation and the degree of hole formation of radiant heat transfer tubes used in indirect heating of heat treatment furnaces and annealing furnaces. In the upper part of the gas valve 3 of the burner 20, an electronically openable gas valve 4 which is sequentially opened and closed by a control unit 7 is installed, and the radiant heat pipe 1 is radiated into the radiant heat pipe 1 at the time of breaking. Oxygen detector 6 for detecting the change in oxygen concentration of the GNEKS exhaust gas produced according to the amount of nitrogen sucked through the oxygen concentration analysis, and the monitor 8 indicating the data detected by the oxygen detector 6. Providing diagnostic equipment for pore-odin radiation tube hole generation.

A smelting furnace

본 발명은 용해보온로에 관한 것으로서, 보다 상세히는 고체 소재를 용융시켜 용해된 용탕을 일정한 온도를 유지하며 보관하여 주조작업에 사용하도록 하기 위해 서, 발열체를 용해실 내부로 하향 설치하여 발열체의 일률적 열연신이 고르게 작용하도록 하고, 용해실로 투입된 소재가 아래의 경사부을 따라 용융되면서 원활하게 유동되도록 하여 용융효율을 높일 수 있도록 하며, 상기 발열체가 열변형에 의해 내장된 히터간의 접촉을 방지하여 장치를 보호하는 용해보온로이다. The present invention relates to a melting insulator, and more particularly, in order to store a molten molten material by melting a solid material to maintain a constant temperature for use in a casting operation, by installing the heating element downward into the melting chamber, the uniformity of the heating element. The thermal stretching works evenly, the material injected into the melting chamber is melted along the inclined portion below to smoothly flow to increase the melting efficiency, and the heating element prevents contact between the heaters built by thermal deformation to protect the device It is a melting furnace.

Rotary hearth furnace and its modification method

Brown Gas Burner and Melting System

본 고안은 브라운가스의 연소특성을 응용한 브라운가스 버너 및 용융시스템에 관한 것으로서 브라운가스 화염의 직진성과 고열특성을 이용하여 용탕 상면을 집중적으로 가열할 수 있는 버너와 용융로를 제공하기 위한 것이다. The present invention relates to a brown gas burner and a melting system applying the combustion characteristics of brown gas, and to provide a burner and a melting furnace capable of intensively heating the upper surface of the molten metal using the straightness and high heat characteristics of the brown gas flame. 좀더 구체적으로, 브라운가스/에어믹서에서 브라운가스 플랜트에서 대량으로 공급되는 브라운가스에 압축공기를 혼입시켜 분출속도를 높임므로써 역화를 방지하고, 수냉식에 의한 버너하우징과 브라운가스노즐로 구성된 브라운가스버너를 용융로 중앙 상부에 수직으로 설치하여 노즐팁에서 직진하는 고열의 브라운가스 화염에의해 용탕중앙부를 집중가열할 수 있도록 구성한 것이다. More specifically, brown gas / air mixer prevents backfire by mixing compressed air into brown gas supplied in a large quantity from brown gas plant to increase the blowing speed, and prevents backfire, brown gas burner composed of burner housing and brown gas nozzle by water cooling Is installed vertically above the center of the smelting furnace so that the central part of the molten metal can be heated centrally by the high-temperature Brown Gas flame going straight from the nozzle tip. 본 고안의 브라운가스 용융시스템은 용탕 중앙부의 최고온도를 1800℃ 이상으로 올라가게 하면서도 주변의 로벽온도는 1250℃ 이하로 유지할 수 있게 하여 용융로의 최대문제점의 하나인 고온마모에 따른 내화재의 수명문제를 해결한 것이 특징이다. The brown gas melting system of the present invention can raise the maximum temperature of the center of the molten metal to more than 1800 ℃ while maintaining the surrounding furnace wall temperature below 1250 ℃ to solve the problem of the life of fireproof materials due to high temperature wear, which is one of the biggest problems of the melting furnace. It is characterized by the solution.

Pilot Burner for Ignition of Main Burner in Annealing Furnace

본 고안은 냉연 강판을 열처리하여 금속의 재질을 결정하는 소둔로를 점화하기 위하여 사용하는 소둔로의 메인버너 점화용 파일롯트 버너에 관한 것으로, 외관튜브의 내부에 설치된 연료가스 공급관의 선단부에는 링체를 설치하고, 이 링체의 외부 둘레면에는 등간격으로 연소가스가 토출되는 장공을 다수개 형성 시켰으며, 상기 링체의 외부에는 링체를 수용하며 1차 혼합실을 형성하는 노즐을 설치하되, 이 노즐은 출측은 좁고 입측을 넓게 형성시켰고, 상기 노즐의 외부 둘레면에는 등간격으로 다수개의 혼합가스 토출공을 형성시켰으며, 전극봉은 외부로 인출시켜 1차 연소 튜브와 2차 연소튜브의 사이에 등간격으로 형성된 전극봉 체결공에 각각의 전극봉을 설치하였고, 상기 1차 연소 튜브와 2차 연소튜브의 연결부분 즉 전극봉이 설치되는 부분에는 세라믹튜브를 설치하여서 된 것이다.

Rotary valve controlling fuel fed to pair of burners - so point of max. heat is reciprocated across furnace, esp. when baking ceramic prods

Improvements to brick kilns

METHOD AND DEVICES FOR INDUCTION HEATING OF A METALLURGICAL PRODUCT IN AN ELONGATE SHAPE.

System for graphitizing carbon bodies

A method for rebaking and graphitizing pitch- impregnated carbon bodies in an encapsulated Castner- type lengthwise graphitization furnace in one step, and a furnace shell constructed of element modules for carrying out the method. The oxygen content in the interior of the furnace is kept below 4% by volume. The method is carried out under atmospheric pressure or at pressures which differ only slightly from the atmospheric pressure.

OVEN GASKET, ESPECIALLY FOR PIT OVEN

L'invention concerne un dispositif périphérique d'étanchéité pour un four. Le dispositif comprend un ensemble 5 en fibres céramiques de section rectangulaire, allongé, qui peut être monté sur organe de fermeture du four et dont une face plane est appliquée contre une surface correspondante 18 de la paroi du four et de moyens 10, 14 pour déplacer la garniture de manière que sa face plane soit maintenue en contact avec la surface 18 de la paroi afin de compenser une usure et une érosion des fibres. Application à des fours Pit. The invention relates to a peripheral sealing device for an oven. The device comprises an assembly 5 made of ceramic fibers of rectangular section, elongated, which can be mounted on the closing member of the furnace and of which a flat face is applied against a corresponding surface 18 of the wall of the furnace and means 10, 14 for moving the lining so that its planar face is maintained in contact with the surface 18 of the wall in order to compensate for wear and erosion of the fibers. Application to Pit ovens.

Patent FR2085694A1

Method of heating furnaces with different kinds of gas using the same burners

METHOD AND DEVICE FOR CONNECTING A PLASMA GENERATOR TO A REACTOR

LE DISPOSITIF SELON L'INVENTION COMPREND DES PREMIERS CONTACTS ELECTRIQUES SUR LE GENERATEUR ET DES SECONDS CONTACTS ELECTRIQUES FIXES QUI SE RACCORDENT. LORSQUE LE GENERATEUR EST DEPLACE PAR DES MOYENS TELECOMMANDES 6, 7 DEPUIS UNE POSITION DE FERMETURE VERS UNE POSITION DE TRAVAIL. UNE VANNE 5 ISOLE LE REACTEUR LORSQUE LE GENERATEUR EST EN POSITION EXTERIEURE ET S'OUVRE LORSQU'IL EST EN POSITION DE FERMETURE. DES DISPOSITIFS DE VERROUILLAGES TELECOMMANDES ASSURENT LE SERRAGE DU GENERATEUR SUR LE REACTEUR, POUR OBTENIR L'ETANCHEITE SOUS PRESSION, AINSI QUE LE RACCORDEMENT AU CONDUCTEUR A REACTION DE LA SOURCE DE COURANT. APPLICATION AUX GENERATEURS DU PLASMA INDUSTRIELS UTILISES AVEC DES FOURS A CUVE POUR REDUCTION D'OXYDES METALLIQUES. THE DEVICE ACCORDING TO THE INVENTION INCLUDES FIRST ELECTRICAL CONTACTS ON THE GENERATOR AND SECOND FIXED ELECTRICAL CONTACTS WHICH ARE CONNECTED. WHEN THE GENERATOR IS MOVED BY REMOTE-CONTROLLED MEANS 6, 7 FROM A CLOSED POSITION TO A WORKING POSITION. A VALVE 5 ISOLATES THE REACTOR WHEN THE GENERATOR IS IN THE EXTERNAL POSITION AND OPENS WHEN IT IS IN THE CLOSED POSITION. REMOTE-CONTROLLED LOCKING DEVICES ENSURE THE TIGHTENING OF THE GENERATOR ON THE REACTOR, TO OBTAIN THE SEALING UNDER PRESSURE, AS WELL AS THE CONNECTION TO THE REACTION CONDUCTOR OF THE CURRENT SOURCE. APPLICATION TO INDUSTRIAL PLASMA GENERATORS USED WITH TANK OVENS FOR REDUCTION OF METAL OXIDES.

METHOD AND DEVICES FOR INDUCTION HEATING OF A METALLURGICAL PRODUCT IN AN ELONGATE SHAPE.

The product (11) moves in the direction (12) of its axis in relation to at least one magnetic inductor (10, 10'). The metallurgical product (11) is subjected to at least two magnetic fluxes (19, 19') having non-parallel transverse directions in relation to the product's longitudinal direction (11). The heating device can advantageously consist of two C-shaped magnetic yokes (14, 14') spaced and angularly offset in the axial direction (12) of the moving product.

Ignition device for annealing furnance

본 고안에 따른 소둔로 주점화장치는 복사관, 연료가스를 상기 복사관 내부로 공급하는 연료가스 공급관, 상기 연료가스 공급관 선단에 장착된 보염기, 상기 복사관 내부에 위치하는 혼합가스 보조 공급관 및 예열된 공기를 상기 복사관 내로 공급하는 예열공기 공급관으로 구성되어 공급된 연료가스를 연소시키는 소둔로용 주점화장치에 있어서, 상기 보염기는 상기 연료가스 공급관에 연결된 제 1보염관과 상기 제 1보염관과 일체로 구성된 제 2보염관으로 이루어지되, 상기 제 2보염관의 직경은 상기 제 1보염관의 직경보다 크게 이루어지며, 상기 각 보염관의 수직부재에는 가열공기의 유동을 위한 다수의 노즐이 형성되어 있는 것을 특징으로 한다. An annealing furnace main ignition device according to the present invention is a radiant pipe, a fuel gas supply pipe for supplying fuel gas into the radiant pipe, an insulator mounted on the tip of the fuel gas supply pipe, a mixed gas auxiliary supply pipe located in the radiant pipe and preheating A main ignition device for an annealing furnace configured to combust supplied fuel gas, wherein the flame is provided with a first flame pipe connected to the fuel gas supply pipe and the first beam. It consists of a second flame pipe is formed integrally with the salt pipe, the diameter of the second flame pipe is made larger than the diameter of the first flame pipe, the vertical member of each of the flame pipes a plurality of nozzles for the flow of heating air It is characterized by being formed.

METHOD AND DEVICE FOR CONNECTING A PLASMA GENERATOR TO A REACTOR

Patent FR2728185B1

METHOD FOR IMPROVING THE THERMAL EFFICIENCY OF A REFORMING OVEN

L'invention concerne une méthode pour augmenter l'efficacité thermique d'un four - pour le reformage de méthane à la vapeur ou pour d'autres procédés comprenant des réactions endothermiques du type craquage à la vapeur de charges hydrocarbonées - comprenant une chambre de combustion munie de brûleurs et des tubes de reformage, par augmentation du transfert de chaleur aux tubes de reformage et donc augmentation de l'apport de chaleur au mélange à reformer, ladite méthode comprenant : - une étape a) de détermination du meilleur profil d'émissivité des parois du four en vue de rendre maximal le rendement thermique du four avec a1) définition des contraintes à respecter, parmi lesquelles au moins la température maximale des tubes, la température du gaz produit en sortie des tubes, le taux de conversion, puis a2) définition des différents profils qui seront évalués, puis a3) évaluation des performances des profils d'émissivité définis dans l'étape a2) et identification du meilleur profil d'émissivité en fonction des contraintes définies dans l'étape a1), - une étape b) de modification de l'émissivité des parois en application des résultats de l'étape a) de sorte à augmenter le transfert de chaleur aux tubes tout en respectant l'ensemble de contraintes définies lors de l'étape a1), en particulier en préservant la durée de vie des tubes. L'invention concerne aussi un four du type précité présentant une efficacité thermique améliorée. The invention relates to a method for increasing the thermal efficiency of a furnace - for methane reforming with steam or for other processes comprising endothermic reactions of the steam cracking type of hydrocarbon feedstocks - comprising a combustion chamber equipped with burners and reforming tubes, by increasing heat transfer to the reforming tubes and thus increasing the heat input to the mixture to be reformed, said method comprising: a step a) of determining the best ...

Reduce the heating furnace heating system and method for discharged nitrous oxides

本发明涉及降低氮氧化物排放的加热炉加热系统及方法，包括若干个设在加热炉顶部的且适于低氧环境下燃烧的平焰烧嘴、若干个设在加热炉侧部的且能无焰燃烧的无焰烧嘴、助燃风机、循环风机、烟气‑助燃空气换热器和分配管，助燃风机入口连接至助燃空气源、出口连接有助燃空气管路，助燃空气管路经过烟气‑助燃空气换热器后连接至分配管，分配管通过平焰烧嘴管路连接至平焰烧嘴、通过无焰烧嘴管路连接至无焰烧嘴，加热炉的烟气出口连接有烟气管路，烟气管路经过烟气‑助燃空气换热器后分为两路，一路通过排放管路连接至烟囱、另一路通过循环管路连接至循环风机入口，循环风机出口通过接入管路接入平焰烧嘴管路。本发明能实现高温加热的超低NO X 排放。

Heating type maintenance method and apparatus for asphalt

가열식 아스팔트 유지보수 및 시공 성능개선장치가 개시된다. 개시된 가열식 아스팔트 유지보수 및 시공 성능개선장치는 복수의 바퀴가 마련되어 있으며, 아스팔트를 용융시킬 수 있는 가열수단이 마련되어 있는 몸체, 가열수단에 연료를 제공하는 연료공급부, 필요한 전원을 제공하는 전원부와, 연료공급부로부터 제공되는 연료를 혼합가스로 만들어 가열수단에 공급하고 혼합가스를 점화하는 일련의 과정을 제어하는 제어부를 구비한다. A heated asphalt maintenance and construction performance improving device is disclosed. The disclosed heated asphalt maintenance and construction performance improving device is provided with a plurality of wheels, the body is provided with a heating means for melting asphalt, a fuel supply for providing fuel to the heating means, a power supply for providing the necessary power, and fuel It is provided with a control unit for controlling a series of processes for making the fuel provided from the supply unit into a mixed gas to supply to the heating means and ignite the mixed gas.

Apparatus for enlargement of sealing and cooling efficiency of sintered ore cooler

본 발명은 소결기에서 제조된 소결광을 냉각기 대차에 장입하여 냉각하는 과정에서 실링력 강화와 함께 소결광의 냉각 효율을 증대시킬 수 있도록 한 소결광 냉각기의 실링 및 냉각 효율 증대장치에 관한 것이다. The present invention relates to an apparatus for increasing the sealing efficiency and cooling efficiency of a sintered ore cooler which is capable of increasing the cooling efficiency of the sintered ore while charging the sintered ore manufactured in the sintering machine into a cooler bogie and cooling it. 본 발명은 냉각기 대차에 장입된 소결광이 상기 냉각기 대차의 하부에 설치된 냉각팬 및 에어덕트에 냉각되는 장치에 있어서, 상기 에어덕트의 상부에 분사용 물을 흘려보낼 수 있도록 구성되는 물튜브; 상기 물튜브의 외측에 설치되고 상기 물튜브 내의 물의 충진에 따라 실(seal)이 하부 방향으로 휘어지도록 구성되는 자중식 실부; 상기 물튜브 외면에서 길이 방향을 따라 다수개 연결된 벨로우즈 배관; 상기 벨로우즈 배관에 연결된 물 분사노즐; 및 상기 물튜브에 연결된 압력센서를 통해 물의 공급량을 조절하는 콘트롤 밸브;를 포함하여 구성된 것을 특징으로 한다. The present invention provides a device in which a sintered ore charged in a cooler bogie is cooled in a cooling fan and an air duct installed at a lower portion of the cooler bogie, comprising: a water tube configured to flow water for injection into an upper portion of the air duct; A self-weight seal unit installed outside the water tube and configured to bend downward in response to the filling of water in the water tube; A plurality of bellows pipes connected in a length direction on the outer surface of the water tube; A water spray nozzle connected to the bellows pipe; And a control valve controlling a supply amount of water through a pressure sensor connected to the water tube. 소결광, 냉각기 대차, 자중식 실(seal), 분사노즐, 물 튜브 Sintered ore, Chiller bogie, Self-sealing seal, Spray nozzle, Water tube

Crucible for high temperature heat treatment of massive parts

Creuset pour le traitement thermique de matériaux élaborés par métallurgie des poudres comprenant:-un support,-un bol positionné sur le support,-une couche en un matériau suscepteur positionnée autour du bol,-une première paroi positionnée autour de la couche en matériau suscepteur,-une seconde paroi positionnée autour de la première paroi,-un chapeau en contact avec au moins une des deux parois, caractérisé en ce qu’au moins une des deux parois présente au moins une lumière destinée à permettre le passage de l’air pour refroidir le creuset. Crucible for the heat treatment of materials produced by powder metallurgy comprising: -a support, -a bowl positioned on the support, -a layer of susceptor material positioned around the bowl, -a first wall positioned around the layer of susceptor material , -a second wall positioned around the first wall, -a cap in contact with at least one of the two walls, characterized in that at least one of the two walls has at least one lumen intended to allow the passage of air to cool the crucible.

METHOD FOR THE ORDERING OF OPERATION OF POWER DISTRIBUTION DEVICES

METHOD OF HEATING IN OVEN USING FUEL WITH LOW CALORIFIC POWER, AND OVEN USING THE SAME

Sectional oven

GYPSUM DRYING AND / OR COOKING DEVICE

L'invention concerne un sécheur/ cuiseur de gypse (1) comprenant un espace de cuisson (2), un premier conduit (4) présentant une entrée raccordée à une source de gaz chauds (3), et une sortie débouchant dans l'espace de cuisson (2), un deuxième conduit (5) présentant une entrée raccordée à une source de gypse (8) et une sortie débouchant dans l'espace de cuisson, le deuxième conduit étant concentrique avec le premier conduit, une vis de gavage (6) disposée au moins partiellement dans le deuxième conduit, ladite vis entraînant le gypse dans l'espace de cuisson.L'invention concerne également un procédé de cuisson de gypse et le plâtre susceptible d'être obtenu par ce procédé. The invention relates to a gypsum dryer / cooker (1) comprising a cooking space (2), a first duct (4) having an inlet connected to a source of hot gases (3), and an outlet opening into the space. (2), a second duct (5) having an inlet connected to a gypsum source (8) and an outlet opening into the cooking space, the second duct being concentric with the first duct, a booster screw ( 6) disposed at least partially in the second conduit, said screw driving the gypsum in the cooking space. The invention also relates to a method of cooking gypsum and the plaster capable of being obtained by this method.

Oven

METHOD FOR IMPROVING THE THERMAL EFFICIENCY OF A REFORMING OVEN

L'invention concerne une méthode pour augmenter l'efficacité thermique d'un four - pour le reformage de méthane à la vapeur ou pour d'autres procédés comprenant des réactions endothermiques du type craquage à la vapeur de charges hydrocarbonées - comprenant une chambre de combustion munie de brûleurs et des tubes de reformage, par augmentation du transfert de chaleur aux tubes de reformage et donc augmentation de l'apport de chaleur au mélange à reformer, ladite méthode comprenant : - une étape a) de détermination du meilleur profil d'émissivité des parois du four en vue de rendre maximal le rendement thermique du four avec a1) définition des contraintes à respecter, parmi lesquelles au moins la température maximale des tubes, la température du gaz produit en sortie des tubes, le taux de conversion, puis a2) définition des différents profils qui seront évalués, puis a3) évaluation des performances des profils d'émissivité définis dans l'étape a2) et identification du meilleur profil d'émissivité en fonction des contraintes définies dans l'étape a1), - une étape b) de modification de l'émissivité des parois en application des résultats de l'étape a) de sorte à augmenter le transfert de chaleur aux tubes tout en respectant l'ensemble de contraintes définies lors de l'étape a1), en particulier en préservant la durée de vie des tubes. L'invention concerne aussi un four du type précité présentant une efficacité thermique améliorée. The invention relates to a method for increasing the thermal efficiency of a furnace - for methane reforming with steam or for other processes comprising endothermic reactions of the steam cracking type of hydrocarbon feedstocks - comprising a combustion chamber equipped with burners and reforming tubes, by increasing heat transfer to the reforming tubes and thus increasing the heat input to the mixture to be reformed, said method comprising: a step a) of determining the best ...

METHOD AND APPARATUS FOR FLAME HEATING OF A DEPRESSED CHAMBER.

Patent FR2085694B1

Gasket cover for oscillating ovens

Processes and apparatus for annealing

Cooler for cooling bulk goods, in particular cement clinker

Die vorliegende Erfindung betrifft einen Kühler (10) zum Kühlen von Schüttgut (12), insbesondere Zementklinker, aufweisend einen Kühlgasraum (14), durch den ein Kühlgasstrom zum Kühlen des Schüttguts (12) im Querstrom strömbar ist und eine Fördereinrichtung zum Fördern des Schüttguts (12) in Förderrichtung (F) durch den Kühlgasraum (14), wobei der Kühlgasraum (14), einen ersten Kühlgasraumabschnitt (16) mit einem ersten Kühlgasstrom (26) und einen sich in Förderrichtung (F) des Schüttguts (12) an diesen anschließenden zweiten Kühlgasraumabschnitt (18) mit einem zweiten Kühlgasstrom (30) umfasst, wobei der Kühler (10) eine Trennvorrichtung (34) zur gastechnischen Trennung der Kühlgasraumabschnitte (16, 18) voneinander aufweist, wobei die Trennvorrichtung (34) eine Mehrzahl von Abdichtungselementen (42) aufweist. The present invention relates to a cooler (10) for cooling bulk material (12), in particular cement clinker, comprising a cooling gas space (14) through which a cooling gas flow for cooling the bulk material (12) can flow in cross-flow and a conveyor device for conveying the bulk material ( 12) in the conveying direction (F) through the cooling gas space (14), the cooling gas space (14), a first cooling gas space section (16) with a first cooling gas flow (26) and one adjoining this in the conveying direction (F) of the bulk material (12) comprises a second cooling gas space section (18) with a second cooling gas flow (30), the cooler (10) having a separating device (34) for separating the cooling gas space sections (16, 18) from one another in terms of gas technology, the separating device (34) having a plurality of sealing elements (42 ) having.

Adjustable burner

Highly gas tight substrate holder and method of manufacturing the same

A hermetically sealed chamber and the method of manufacturing same, which comprises the steps of: (a) preparing two aluminum or aluminum alloy material members which face each other; (b) forming at least one extending groove portions on a surface to be metal-bonded of one of the two aluminum or aluminum alloy material members, which groove portion extends in a manner to make an enclosure; (c) forming at least one corresponding extending protruding portions on a surface to be metal-bonded of the other of the two aluminum or aluminum alloy material members, which protruding portion extends in a manner to make a corresponding enclosure; and (d) receiving internally packaged parts therebetween, inserting the at least one extending protruding portions into the at least one corresponding extending groove portions so as to be fitted, and causing the at least one extending protruding portions and the at least one extending groove portions to be metal-bonded by press-forging.

Seal and sealing method for temperature control chamber doors

A system for sealing a lower edge of a temperature control chamber door to a temperature control chamber housing when the door is closed has a pair of opposed radiused corners provided at opposed lower corners of the door opening, and a resilient seal member having opposed radiused corners substantially complimentary in shape to the radiused corners of the opening.

System for measuring temperature in a furnace and method for controlling combustion inside the same

The invention refers to a system for measuring the temperature inside a furnace and to a method for controlling the combustion in the furnace. The combustion comprises a vessel that defines a heating chamber in which a material is to be heated, an openable door, at least one burner configured to burn a fuel and a gaseous oxidant, each burner generating a flame inside the heating chamber that heats the material and a flue through which an exhaust flame extends out of the heating chamber. The system comprises at least one multi-wavelength pyrometer coupled to the furnace wherein the multi-wavelength pyrometer is oriented towards a portion of a refractory lining of the heating chamber not in direct contact with the heated material. The multi-wavelength pyrometer is configured to measure the temperature of the corresponding portion of the refractory lining during operation of the furnace.

Contrivance for treating materials within a gas atmosphere of increased pressure

Shaft type electric arc furnace and operation method using the same

The present invention provides a shaft-type electric furnace and an operating method using the shaft-type electric furnace which can increase energy efficiency and can reduce work time and manufacturing costs. The shaft-type electric furnace according to an embodiment of the present invention comprises a shaft, an electric furnace, a primary combustion device, and a secondary combustion device. Steel scraps are continuously entered into the shaft. The electric furnace has a connection path connected to the shaft. The electric furnace melts the steel scraps supplied from the shaft through the connection path and discharges the generated exhaust gas to the shaft through the connection path. The primary combustion device has: a burner jacket arranged on the connection path; a carbon inlet; and a first oxygen inlet. The carbon inlet and the first oxygen inlet are arranged in the lower part of the burner jacket to supply a carbon source and oxygen, respectively, so that primary combustion reaction can occur in the electric furnace. The secondary combustion device is integrated with the primary combustion device and has multiple second oxygen inlets for additionally supplying the oxygen to make secondary combustion reaction occur in the exhaust gas discharged to the shaft.

METHOD AND DEVICE FOR PRE-TREATING A ROLLING BEFORE ROLLING

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Vorbehandlung eines Walzguts (3). Die Aufgabe der Erfindung besteht darin, ein Verfahren und eine Vorrichtung zu finden, mit denen das Walzgut (3) vor dem Warmwalzen sowohl energieeffizient erwärmt als auch gründlich entzundert werden kann. Diese Aufgabe wird durch folgende Verfahrensschritte gelöst:- Vorwärmen des Walzguts (3) in einem Vorwärmofen (4) durch mehrere Brenner (11);- Entzundern des vorgewärmten Walzguts (3) in einer Entzunderungseinrichtung (5) ;- Erwärmen des entzunderten Walzguts (3) in einem Erwärmofen durch mehrere Brenner (11), wobei die Brenner einen Kohlenstoffträger unterstöchiometrisch verbrennen, sodass das Walzgut (3) im Erwärmofen (7) durch das bei der Verbrennung entstehende Abgas (12,13) in einer reduzierenden Atmosphäre gehalten wird;- Einleiten von einem ersten Teil des Abgases (12) und von Sauerstoff (15) in den Vorwärmofen (4); - Nachverbrennen von dem ersten Teil des Abgases (12) im Vorwärmofen (4), wobei die Menge an Sauerstoff (15) so gewählt wird, dass das Walzgut (3) im Vorwärmofen (4) in einer oxidierenden Atmosphäre gehalten wird. The invention relates to a method and a device for the pretreatment of a rolling stock (3). The object of the invention is to find a method and a device with which the rolling stock (3) can be both energy-efficiently heated and thoroughly descaled before hot-rolling. This object is achieved by the following method steps: preheating the rolling stock (3) in a preheating furnace (4) by a plurality of burners (11) descaling the preheated rolled stock (3) in a descaling device (5); heating the descaled rolled stock (3 ) in a heating furnace through a plurality of burners (11), wherein the burners substoichiometrically burn a carbon support so that the rolling stock (3) in the heating furnace (7) is kept in a reducing atmosphere by the exhaust gas (12, 13) produced during the combustion; Introducing a first portion of the exhaust gas (12) and ...

Methods for regulating the supply of reaction gas to a furnace and multifunctional burner intended for this purpose

Device for sealing a gear ring.

A ring gear mounted for rotation and driven by a pinion which dips into an oil bath is provided on each face with a sealing device. Each sealing device has a conical annulus tapering in a direction away from the ring gear and on which a ring is positioned in spaced relation with the gear. There thus is formed between the gear and each ring an annular oil collecting chamber which leads oil carried upwards by the ring gear back into the oil bath.

Apparatus for storing and refining molten aluminium

FIELD: aluminium production. SUBSTANCE: bearing slab together with casing of vessel for storing and refining aluminium and refractory sheet disposed on inner wall of graphite block wherein heating element unit is installed are used for disposing and sealing heating unit against deteriorating action of air. Such a design eliminates necessity to keep heating elements in special metal container. EFFECT: simplified design. 13 cl, 3 dwg 0096с60с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2 092 600 ^^ Сл (51) МПК С 22 В 21/00, 9/05, 4/08 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5011736/02, 24.04.1992 (30) Приоритет: 26.04.1991 Ц$ 7-691.830 (46) Дата публикации: 10.10.1997 (56) Ссылки: Ц5, патент, 4717126, кл. С 22 В 4/08, 1988. (71) Заявитель: Юнион Карбайд Индастриал Гэзиз Текнолоджи Корпорейшн (1$) (72) Изобретатель: Джон Франклин Пелтон[Ц$] (73) Патентообладатель: Юнион Карбайд Индастриал Гэзиз Текнолоджи Корпорейшн (1$) (54) УСТРОЙСТВО ДЛЯ ХРАНЕНИЯ ИМЛИ РАФИНИРОВАНИЯ РАСПЛАВЛЕННОГО АЛЮМИНИЯ (57) Реферат: Использование: конструкция устройства для хранения и рафинирования расплавленного алюминия. — Сущность изобретения: несущая плита присоединена к корпусу сосуда для хранения и/или рафинирования алюминия; огнеупорный лист, расположен на внутренней стенке графитового блока, в котором установлен узел нагревательного — элемента. Это исключает необходимость использования нагревательных элементов в специальном металлическом сосуде. 12 3. п. ф-лы, 3 ил. — > < А 15 23 24 РИ 25 ШРИ х 7 2 ®› > ` РРР СИ — > т ее 2092600 С1 КО 0096с60с ПЧ ГЭ КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) ВИ "” 2 092 600 “” Сл Я С 22 В 21/00, 9/05, 4/08 12) АВЗТКАСТ ОЕ 1МУЕМТОМ (21), (22) АррИсаНоп: 5011736102, 24.04.1992 (30) Рпошу: 26.04.1991 03 7-691.830 (46) Рае ог ричбИсаНоп: 10.10.1997 (71) АррИсапе: ипюп Кага тдазпа! Сей Текпооа7й! Когроге]зйпт (1$) (72) пуетщог. — Охпоп Егапкип Рекоп[Ц$] (73) Ргорпеюг: уиптоп Кага] а пда$гпа! Сепих ...

Method and device for connecting plasma generator to reactor

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Cement kiln burner fed with fuel and air from rear end

A cleaning device (7) on the outside of the burner casing pipe (2) at the forward end (1a) of the burner (1) operates in high-intensity gas pulses. The cleaner has a tubular outer surface (8) passed at radial spacing round the burner end to form an uniform annular space (9), the space in turn linked to a gas pulser (11) arranged outside the combustion space (3). The gas pulse outlet (12,13) consists of an uniform annular nozzle orifice for axial ejection via nozzles directed onto the outside front end of the burner mouth. The outer wall of the burner is supported on the casing tube by centring ribs (10) acting as spacers and the conventional gas pulser is exchangeably flanged to the outside wall via a branch tube (18). The pulser comprises a container with gas pulse control. Preferably compressed air is used as cleaning gas.

Replacement diagnostic unit of gas burner

본 고안은 연소중인 가스버너의 교체시기 진단장치에 관한 것으로, 가열로용 가스버너(R)의 백플레이트(R`)의 상면에 고정설치된 고정플레이트(12)에는 일정거리를 두고 다수개의 조정레버 고정홈(3)이 형성된 브레켓트(2)가 고정설치되며, 이 브라켓트(2)의 상측에는 베어링(6)에 의해 회전가능하게 스프로킷휠(5)이 고정설치되고, 이 스프로킷휠(5)에는 동력전달용 체인(5')이 설치되면서 이 체인(5')의 양단부에는 조정레버 고정홈(3)에 걸려지도록 된 조정레버(4)와 이 조정레버(4)의 작동에 의해 승하강되는 고정장치(7)가 각각 연결설치되는 한편, 상기 고정장치(7)에는 가스버너(R)의 내부로 삽입되는 열전도용봉(9)을 고정하기 위한 고정구멍(7`)과 고정플레이트(12)의 상면에 설치된 가이드봉(8)을 고정하기 위한 가이드홀(8')이 각각 형성되며, 이 백플레이트(R')의 상면에는 열전도용봉(9)이 슬라이딩되는 삽입공(11')이 관통형성되고, 이 열전도용봉(9)의 상측에는 가스버너(R)의 내부온도를 측정하도록 된 온도측정장치(10)가 연결설치된 구조로 이루어져, 불량버너의 신속한 수리 및 교체가 가능하게 되는 것이다. The present invention relates to an apparatus for diagnosing a replacement time of a gas burner in combustion, and a plurality of adjustment levers are provided at a fixed distance to a fixed plate 12 fixed to an upper surface of a back plate (R ′) of a gas burner (R) for a furnace. The bracket 2 having the fixing groove 3 is fixedly installed, and the sprocket wheel 5 is fixedly installed on the upper side of the bracket 2 so as to be rotatable by the bearing 6. The power transmission chain 5 'is installed at both ends of the chain 5', and is moved up and down by the operation of the adjustment lever 4 and the adjustment lever 4, which are caught by the adjustment lever fixing groove 3, respectively. While the fixing device 7 is connected to each other is installed, the fixing device 7 and the fixing hole (7`) and fixing plate 12 for fixing the heat conducting rod (9) inserted into the interior of the gas burner (R) Guide holes 8 'for fixing the guide rods 8 installed on the upper surface of the cover plate 8 are formed, respectively, and the back plate R An insertion hole 11 'through which the heat conducting rod 9 slides is formed in the upper surface of the'), and a temperature measuring device 10 configured to measure the internal temperature of the gas burner R on the upper side of the heat conducting rod 9. ) Is made of connected structure, it is ...

High temperature fan plug apparatus

A high temperature fan plug for a jet heat recuperator includes inner and outer face plates spaced apart by tubular spacers extending between the plates to form a heat insulative cavity. A fastener bolt extends from one face plate through a tubular spacer and projects from the other face plate. A spring with washers at opposite ends thereof is compressed by nut members on the end of the bolt which projects from the face plate for clamping the outer and inner face plates against the spacers. A hub structure carried by the inner and outer face plates receives a seal. The face plate exposed to high temperatures in the recuperator extends between spaced apart rings that are secured to a rim that is in turn carried by the other of the face plates. The rings slidably engage the outer peripheral portion of the face plate exposed to the high temperature environment.

End sealing device for preheating section of continuous feeding device of electric furnace

本发明公开了一种用于电炉连续送料装置预热段的端部密封装置，包括：预热段烟气罩、抽风罩和连接罩，预热段烟气罩进料端设有第一密封装置，在连接罩进料端设有第二密封装置；第一密封装置和第二密封装置中的至少一个包括：连接轴、多个密封件和挡板，连接轴连接在预热段烟气罩或连接罩上，密封件可枢转地套设在连接轴上，密封件的摆动端适于抵接在废钢的上表面，多个密封件沿连接轴的轴向排列，相邻密封件的相对表面止抵接触，密封件的摆动端适于抵接在废钢的上表面并废钢的上表面的高度起伏摆动，利用密封装置可以防止抽风罩抽风过程时预设段烟气罩内的高温烟气通过抽风罩抽出，进而可以提升预设段烟气罩内的温度。

Heating apparatus