СИСТЕМА ДЛЯ СУХОГО ОБЕСПЫЛИВАНИЯ И СУХОЙ ОЧИСТКИ ГАЗА, ЗАГРЯЗНЕННОГО ПЫЛЬЮ И ВРЕДНЫМИ ВЕЩЕСТВАМИ, ОБРАЗУЮЩЕГОСЯ В УСТРОЙСТВАХ ДЛЯ ПРОИЗВОДСТВА ЧУГУНА ПРИ ПРОИЗВОДСТВЕ ЧУГУНА ИЛИ В УСТРОЙСТВАХ ДЛЯ ПРОИЗВОДСТВА ЖЕЛЕЗА ПРИ ПРОИЗВОДСТВЕ ЖЕЛЕЗА

... 1. Система для сухого обеспыливания и сухой очистки загрязненного пылью и вредными веществами газа, выделяющегося при производстве чугуна в установках для производства чугуна или при производстве железа в установках для производства железа, содержащая подводящий трубопровод (1) для подачи газового потока из установки для производства чугуна или установки для производства железа, содержащий устройство (2) для предварительной очистки, причем подводящий трубопровод (1) разветвляется в точке (3) разветвления на обводной трубопровод (4) и основной газопровод (6); по меньшей мере одно обеспыливающее устройство (10, 11, 12), причем основной газопровод (6) через соединительные трубопроводы (7, 8, 9) соединен с обеспыливающими устройствами (10, 11, 12); и устройство (13) для регулирования температуры газового потока перед обеспыливающими устройствами (10, 11, 12) в подводящем трубопроводе (1) или в основном трубопроводе (6); причем в основном газопроводе (6) дополнительно предусмотрено устройство ...

ЗАПОРНОЕ КОЛЬЦО, ИМЕЮЩЕЕ УПЛОТНИТЕЛЬ ИЗ МЕТАЛЛИЧЕСКОЙ ПЕНЫ

Полезная модель касается запорного кольца для перевода горячего газа из металлургической установки в газовытяжное устройство, имеющего основной корпус (7) и один или несколько присоединенных к основному корпусу (7) уплотняющих элементов (8, 8a, 8b), которые покрывают периметр основного корпуса (7). По меньшей мере один уплотняющий элемент (8, 8a, 8b) включает в себя уплотнитель (11) из металлической пены. В соответствии с полезной моделью такое запорное кольцо применяется между сталеплавильным конвертером (1) или EAF и расположенным над ним колпаком (6) вытяжной трубы для отвода газов (5) для перевода горячего газа из сталеплавильного конвертера (1) или EAF в колпак (6) трубы для отвода газов.

СИСТЕМА БЕСПЫЛЕВОГО ОТВОДА СУХОЙ ЗОЛЫ И СИСТЕМА ОЧИСТКИ ДЫМОВЫХ ГАЗОВ КОНВЕРТЕРА

Изобретение относится к металлургии и может быть использовано в системах беспылевого отвода сухой золы и очистке дымовых газов конвертера. Система включает зольник, магистральный трубопровод для отвода золы и элеваторное устройство для отвода золы, которое содержит первый и второй шнековые транспортеры для золы и подъемный приводной узел. Впускное отверстие первого шнекового транспортера соединено с магистральным трубопроводом с помощью выдвижного шланга, разгрузочное отверстие первого шнекового транспортера соединено с впускным отверстием второго шнекового транспортера, второй шнековый транспортер транспортирует золу вниз и вместе с первым шнековым транспортером составляет единую конструкцию, с которой соединен подъемный приводной узел. Изобретение обеспечивает защиту окружающей среды за счет подъемного приводного узла, который во время отвода золы не допускает просачивания вторичной пыли, а также обеспечивает стабильный и надежный процесс транспортировки золы без застревания сухой золы ...

УСТРОЙСТВО ДЛЯ ВЫГРУЗКИ ЗОЛЫ, ВСТРАИВАЕМОЕ В ВЫСОКОТЕМПЕРАТУРНЫЙ ОБЕСПЫЛИВАЮЩИЙ АППАРАТ, И СПОСОБ ЗОЛОУДАЛЕНИЯ

Изобретение относится к металлургии и может быть использовано для золоудаления в высокотемпературном обеспыливающем аппарате. Устройство содержит встраиваемую конструкцию зольных бункеров, содержащую внутренний зольный бункер и внешний зольный бункер, которые встроены в высокотемпературный обеспыливающий аппарат, и охлаждающую несущую конструкцию, содержащую внутренние трубы для охлаждающей среды и внешние трубы для охлаждающей среды, которые соответственно расположены в виде несущего элемента в обеспыливающем аппарате, причем внутренние трубы выполнены с возможностью охлаждения и поддержки внутреннего зольного бункера. Внешние трубы выполнены с возможностью охлаждения и поддержки внешнего зольного бункера, и общее направление потока охлаждающей среды во внутренних трубах для охлаждающей среды и внешних трубах для охлаждающей среды проходит снизу вверх. Изобретение устраняет необходимость в отдельном обеспечении опорной конструкции для встраиваемой конструкции зольных бункеров, эффективно ...

Способ улавливания выбросов из конвертера и устройство для улавливания выбросов из конвертера

FIELD: metallurgy.SUBSTANCE: invention relates to the field of metallurgy, and can be used for the fugitive dust and gas emissions from the converter capturing. In the method, performing the box-type exhaust hood installation above the converter, facing the converter neck by the inlet opening, enabling the said emissions capturing during the raw material loading into converter from the ladle and during the finished product or slag unloading from the converter into the ladle and the emissions discharging through the flue connected to the hood outlet opening. At that, the box-type hood with damper is used, which is performed with heat-releasing ribs on their outer surface, wherein the damper is mounted on the ladle supply side with possibility of moving along the exhaust hood front side to the upper position during the raw material loading into converter from the ladle and with possibility of its movement along the exhaust hood front side by extension downwards towards the converter neck during the finished product or slag unloading from the converter into the ladle, and performing the heat removal from the hood and the damper by means of the said ribs.EFFECT: invention allows to develop a simple and reliable method and device for the fugitive emissions capturing during the converters loading and unloading, ensure effective emissions capturing under conditions of confined space, as well as increase in the device operation reliability.2 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 662 762 C1 (51) МПК C21C 5/38 (2006.01) C21C 5/40 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C21C 5/38 (2006.01); C21C 5/40 (2006.01) (21)(22) Заявка: 2017129649, 22.08.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Ткаченко Артем Сергеевич (RU) Дата регистрации: 30.07.2018 (56) Список документов, цитированных в отчете о поиске: RU 2369640 C1, 10.10.2009. RU 2282667 С1, 27.08.2006. RU ...

Устройство для отвода газа

Zustelltuer fuer Abhitzekessel

Verfahren und Vorrichtung zur Umwaelzung von Wasser zur Kuehlung heisser Abgase eines Sauerstoffstahlerzeugungsofens

EINRICHTUNG ZUM ABDICHTEN DES SPALTES ZWISCHEN EINEM KIPPBAREN HUETTENOFEN UND EINER GASLEITEINRICHTUNG

ABSAUGVORRICHTUNG FUER DIE ABGASE VON METALLURGISCHEN OEFEN

Pig iron refining or steel making process and apparatus

... 1,110,254. Converter hoods; chimneys for converters; waste products in industrial processes. COMPAGNIE DES ATELIERS ET FORGES DE LA LOIRE ST. CHAMONDFIRMINY-ST. ETIENNE JACOB HOLTZER. 8 June, 1965 [16 July, 1964; 11 Jan., 1965], No. 24288/65. Headings F4B, F4J and F4X. Apparatus for the controlled recovery of converter gases comprises a hood 3 having a downwardly depending skirt 4 attached thereto by a flexible apron 6 which overhangs the converter nose 2 by about 1 metre and does not form a fluid-tight seal therewith, the ratio of the skirt bottom diameter to that of the converter nose being in the range 1À5 to 2À5. A series of pressure measuring points 10 in a calm zone within the top of the skirt cooperates with an external measuring point in the same plane to activate a damper 12 via a draught regulator 11 to keep the pressure difference inside and outside the hood constant, the damper being prevented from closing completely by stops 15, 16 which act in the limit position to cut out ...

HEATING OF RAW MATERIALS FOR FURNACES

Combined steelmaking and waste gas cooling or waste heat utilization plant

... 1,061,525. Converter hoods. VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE A.G. March 11, 1964 [March 15, 1963], No. 10355/64. Heading F4B. In a waste gas utilization plant 7, 10 comprising a converter and a waste heat boiler arranged outside the range of tilting of the converter, the converter hood 2 is pivoted about an axis 15 so spaced from the converter and the first gas pass 7 that free access to the converter 1 and gas pass 7 is afforded when the hood 2 is swung out.

Waste heat boiler for steel-making converters

... 947,314. Waste heat steam boilers; metallurgical converter chimneys. WAAGNERBIRO A.G. May 2, 1960, No. 15401/60. Headings F4A, F4J and F4X. A waste heat boiler heated by the blow gases of Bessemer converters comprises radiantly heated tubes lining the walls of ducts 2 conveying the gases from the converters 1 to a common uptake in which are located convectionheated tube banks 8, an oil or gas burner 6 being disposed at the bottom of the uptake to maintain the boiler operation in the intervals between blowing. The flow of gas from the ducts into the uptake is controlled by a hinged damper 5. A tube-lined emergency by-pass duct 4 branches from each duct 2 so that the blow gas from the converter can be passed directly to atmosphere by opening a hinged damper 7, allowing steel making operations to continue whilst the boiler is shut down, for example, to repair damage to the boiler convection heating surfaces.

Apparatus for removing fumes and waste products from furnace gases

... 956,858. Washing gases. P. MASSJUK. Jan. 25, 1962 [Aug. 14, 1961], No. 29216/61. Heading B1R. An apparatus for washing furnace gases comprises a chamber 2 enclosing closely related, spaced apart, rotatable spheres 17, one or more metal mesh filters 22, and means 23 for spraying the spheres 17 and filters 22 with liquid, the spheres 17 and filters 22 being of non-ferrous metal. Gas to be washed enters at 7 and passes in turn through the spaced spheres 17, a spray device 23 having adjustable horizontal and vertical nozzles 27, 28 on concentric tubular rings 24, 25, a filter 22, two non-ferrous metal funnels 32, 33 each enclosing steam spray devices 37a supplied from a steam generator 13, a second spray device 23, and a second filter 22 to a chimney 1. Each filter 22 has a panel 29 rotatable about a shaft 30 in response to a thermostat 16 on the generator 13, to provide free passage for gas on a rise in gas temperature. The spheres 17 are continuously rotated about shafts 18 by a motor, Fig ...

Method of and means for safeguarding installations for collecting gas in the unburnt state at the exit from an oxygen blast convertor

... 1,006,436. Metallurgical converters; chimneys. INSTITUT DE RECHERCHES DE LA SIDERUGIE FRANCAISE. July 2, 1962 [July 27, 1961], No. 25211/62. Headings F4B and F4J. At starting and stopping of the oxygen blowing of a converter 1 a plug of inert gas is formed to separate the streams of air and carbon monoxide in the exhaust system leading from the converter hood 4. The converter is blown through a lance 5, the flow of oxygen being controlled by a valve 14 regulated by a pneumatic regulator 15 in conjunction with a flowmeter 16, and during blowing exhaust gases pass through the hood 4, a duct 5, a filter 6 and a blower 7 to a burner 8. Pressure in the hood 4 is maintained at atmospheric to prevent ingress of air by a butterfly valve 9 in the exhaust system controlled by a pneumatic regulator 10 associated with a differential pressure gauge 12 which compares atmospheric pressure with the pressure in the hood 4. At stoppage a timer 17 causes valve 9 to open fully and oxygen valve 14 to close, ...

ELECTRIC FURNACES FOR STEEL PRODUCTION

... 1318019 Removing gases in industrial processes RHEINSTAHL AG 31 Dec 1971 [2 Jan 1971] 61034/71 Heading F4X Apparatus for removing exhaust gases from an electric arc furnace 1 having a removable cover 2 comprises a suction hood 5 arranged above the path 6 of a crane (7, Fig. 1) used for charging the furnace, and a pivotable suction discharge pipe 4 which, during melting operations communicates with the furnace interior via a union 3 secured to the cover 2 as shown and during charging and tapping operations is swung away from the furnace (see Figs. 1 and 3). The discharge pipe 4 and suction hood 5 are connected by conduits 8 and 9 respectively to a common pipe 10 leading to a suction fan and a dust extraction installation. Each of the conduits 8, 9 contains a shut-off valve 11, 12 operated by a pivoting device 13 which serves to (a) close valve 12 and open valve 11 when the discharge pipe 4 is swung away from the furnace, suction then being effected only through the hood 5 and (b) close or ...

HOOD FOR CONDUCTING AWAY THE SMOKE AND FLUE GASES ARISING DURING THE CHARGING OF A METALLURGICAL VESSEL

METHOD AND APPARATUS FOR THE COOLING AND THE WASHING OF GASES

Method and apparatus for withdrawing waste gases from a converter

... 917,792. Metallurgical converters. BETEILIGUNGSUND PATENTVERWALTUNGSGESSELLSCHAFT. Feb. 16, 1961, No. 5802/61. Class 72. A method of withdrawing waste gas from a metallurgical converter comprises collecting the waste gas by means of a water-cooled hood spaced from the mouth of the converter and inducing a flow of gas round the gap between the hood and the converter mouth. As shown, a water-cooled hood 2 is spaced from a converter 1 by a gap 7 and a second hood 3 surrounds the end of the hood 2. A pipe 5 leads to the interior 4 of the hood 3 and a gas, e.g. nitrogen, under pressure supplied through the pipe 5 escapes through a gap 6 between the hoods 2 and 3, or suction may be applied to the pipe 5, in each case air is prevented from entering the gap 7. The waste gas passes through a conduit 8 and the conduit and the hood may be raised by a jack 10. The waste gas may be used as a fuel or for the synthesis of organic compounds.

Fluidic process and device of gas of refining.

DIE FORM EINES GENEIGT ANGEORDNETEN ROHRES BESITZENDER KUHLER ZUM KUHLEN HEISSER ABGASE UND ZUM ABSCHEIDEN VON VON DIESEN ABGASEN MITGEFUHRTEN FESTSTOFFTEILCHEN MITTELS WASSER

FUELLSTAND FOR METALLURGICAL PANS

PAN SLAGGING OFF AND

COOLING DEVICE FOR HOT GASES IN LINES

SMOKE DEAF DELIVERY PROCEDURE AND - SYSTEM

FUELLSTAND ZUM UMFUELLEN FLUESSIGEN METALLES AUS EINEM KIPPBAREN METALLURGISCHEN GEFAESS

KUEHLVORRICHTUNG FUER HEISS-GASE IN LEITUNGEN

ANLAGE ZUM FRISCHEN VON ROHEISEN

CONVERTER PLANT WITH A METALLURGICAL CONTAINER

CELL FOR THE ADMISSION OF A METALLURGICAL CONTAINER

DEPARTURE HOOD FOR DERIVING WITH CHARGIEREN OF A METALLURGICAL CONTAINER THE ASCENDING SMOKE AND/OR EXHAUST GAS

PROCEDURE FOR DERIVING WITH CHARGIEREN OF A METALLURGICAL CONTAINER THE ASCENDING SMOKE AND/OR EXHAUST GAS AS WELL AS MECHANISM FOR THE EXECUTION OF THE PROCEDURE

FUELLSTAND FOR METALLURGICAL PANS

LOCKBOLT BUSH

PLANT FOR THE CARBON ELIMINATION OF PIG IRONS

MECHANISM AT A SMOKE COLLECTING CHAMBER FOR A METALLURGICAL CONTAINER

CONVERTER PLANT WITH A METALLURGICAL CONTAINER

ZELLE ZUR AUFNAHME EINES METALLURGISCHEN GEFAESSES

DEVICE FOR SUCKING THE SECONDARY EXHAUST GASES OFF IN STEEL PLANTS AND FOUNDRIES.

VERFAHREN UND VORRICHTUNG ZUR TROCKENEN ENTSTAUBUNG UND REINIGUNG VON BEI DER EISENERZEUGUNG ODER KOHLEVERGASUNG PRODUZIERTEM GAS

The invention relates to a method for dry dust removal and dry cleaning of gas laden with dust and pollutants, as in gas incident to pig iron production systems in the production of pig iron, or incident to iron production systems in the production of iron or in gas produced in coal gasification systems, and to a device for carrying out the method. In the process, an additive comprising reagent and alternatively adsorbent material is added to the gas stream prior to the beginning of the dust removal following a preliminary separation step and after the temperature of the gas stream is adjusted to a temperature greater than 60°C and less than a temperature that would cause damage to the equipment performing the dust removal. This additive cleans the gas stream and is removed from the gas stream together with the solid particles that were present in the gas stream prior to the addition of the additive upon removal of the dust.

Mechanism and procedure for sucking the exhaust gases off of electrical furnaces, in particular for the steelmaking

Device for regulating the production the gases which are due to the carbon elimination to pig irons by oxygen

Mechanism for the removal and conversion of the exhaust gas heat of converters or arcs furnace as well as operating procedures for the same, resulting in time intervals

Procedure for the neutralization of washing liquids

Device for the production of exhaust gases of an oxygen blowing up converter in the unburned condition

Waste heat boiler plant with converters

Device for repelling Schlackenansätzen at the exhaust pits provided with condenser tube walls converters

Steelmaking and exhaust cool and/or waste-heat utilization plant

Fire-place for the cooling of gases, in particular of converter exhaust gases

Converter plant

Device for the wet cleaning of gases, in particular blast furnace gas

Water-cooled exhaust fire-place, in particular for steel plant converters

Device for catching the unburned exhaust gases from an oxygen blowing up converter under prevention of the Luftzutrittes by supply of an inert gas which is at pressure

GAS COLLECTOR HOOD FOR CONVERTERS AND THE LIKE

Method of processing metallurgical waste powder

A process of processing finely divided material produced in a metallurgical process, which process comprises: continuous washing of a first portion of granules formed from the finely divided material by movement of the granules through a wash solution, the suspended solids content of which increases as a result of washing of the granules; wherein washing of the granules takes place in a vessel comprising a second portion of granules formed from the finely divided material that are provided in the vessel to remove solids from the wash solution thereby reducing the suspended solids content of the wash solution; and wherein the first and second portions of the granules are continuously removed from the vessel and replenished with fresh portions of granules for processing.

REMOVAL OF DUST/FUMES FROM WASTE GASES

FUME EXTRACTION

BUMPER GUARD FOR METALLURGICAL APPARATUS

OXYGEN CONVERTER

EXHAUST HOOD APPARATUS FOR USE WITH TILTING FURNACE

The exhaust hood above a metallurgical furnace, where the furnace has an open top and is supported to move in a vertical arc beneath the hood from an upright position to tilt in one direction to a charging position and in the other direction to a tapping position, terminates in an opening which is usually circular and of a diameter such that it may receive gases and dust from the open top of the furnace when the furnace is tilted to one side or the other, as well as when it is vertical. A frame structure supported above the opening in the hood and arranged to be shifted horizontally relative to the hood has a panel suspended therefrom with operating means on the frame for swinging the panel in a vertical arc from a storage position where it is removed from the space between the top of the furnace and the hood downwardly to a level below the open end of the hood and then upwardly against the bottom of the hood to close the greater portion of the bottom of the hood and leave but a segment ...

SWITCHING VALUES FOR STEEL PLANT COUVERTER GAS RECOVERY

Ensemble d'aiguillage d'un gaz pouvant être chaud, charge de poussières, saturé en vapeur d'eau et contenant des gouttelettes d'eau, permettant à la fois de faire débiter le flux gazeux qu'il reçoit tangentiellement et horizontalement du réseau de captage du gaz soit dans une première conduite verticale dirigée vers le haut, soit dans une deuxième conduite verticale dirigée vers le bas, d'éliminer les gouttelettes d'eau et par voie de conséquence une partie des poussières, et d'assurer sumultanément une étanchéité vers celle de ces deux conduites qui est momentanément non alimentée en gaz. L'ensemble est caractérisé en ce qu'il comprend un corps fixe contenant une cloche mobile capable de constituer un joint d'eau assurant l'étanchéité alternativement vers chacune des deux conduites verticales précitées, et en ce que ledit corps fixe, de forme spéciale, coopère avec ladite cloche pour constituer un cyclone éliminant les gouttelettes d'eau et une partie des poussières contenues dans le gaz ...

WATER-COOLED PANEL

QUENCHING METHOD AND APPARATUS FOR EXHAUST GASES

CONTROL OF GASES FROM A BOTTOM-BLOWN STEEL CONVERTER VESSEL

FLUID CLOSURE FOR AND METHOD OF PREVENTING FLOW THROUGH AN OPENING IN A FLUID AND PARTICULATE CONFINING AND CONVEYING STRUCTURE

HOOD ASSEMBLY FOR A METALLURGICAL CONVERTER

PROCESS AND DEVICE FOR TREATING FURNACE GAS

A process and a device for treating a flow of furnace gas with a pressure of more than 1 bar flowing through a channel (3). A powder agent (2), such as a powder comprising alkali reagents, such as lime, and/or absorbents, such as activated coal, is injected under an overpressure into the furnace gas flow via an injector (6) which is positioned centrally within the channel. The powder agent may be fluidized. The pressure for injecting the powder may be adjusted by controlling the volume of fluidization gas vented via a venting outlet (24).

CONVERTER EXHAUST GAS RECOVERY APPARATUS AND CONVERTER EXHAUST GAS RECOVERY METHOD

A converter exhaust gas recovery apparatus includes a furnace top oxygen analyzer that analyzes an oxygen concentration in exhaust gas on an exhaust gas path and on an upstream side of a dust collection position where dust collection is performed and a furnace top CO analyzer that analyzes a CO concentration in the exhaust gas; and a furnace bottom oxygen analyzer that irradiates the exhaust gas that flows on a downstream side of the dust collection position with a laser light and analyzes the oxygen concentration based on quantity-of-light changes caused by a light absorption of the laser light.

Lösbare Dichtung zum Verbinden eines feststehenden Rohrendes mit einem quer zur Rohrachse bewegbaren Rohrende

Rauchhaube an einem Elektroofen

Procédé et installation pour transmettre des informations graphiques

Verfahren und Vorrichtung zum Abscheiden schädlicher Bestandteile aus den bei der Behandlung von Leichtmetallschmelzen mit Chlor oder chlorhaltigen Gasen entstehenden Abgasen

Procédé pour refroidir des gaz de déchet chauds et appareil pour sa mise en oeuvre

EXHAUST ELBOW UNION FOR INDUSTRIAL FURNACES.

DEVICE FOR COOLING HOT EXHAUST GASES, IN PARTICULAR FROM INDUSTRIAL FURNACES.

Système de dépoussiérage.

L'invention concerne un système de dépoussiérage pour empêcher l'accumulation et la solidification de poussière dans une zone d'accumulation de poussière (231) d'une surface intérieure d'un coude d'aspiration et/ou dans une zone d'accumulation de poussière (231) d'une surface intérieure d'un manchon télescopique d'un système de collecte de poussière pour un four industriel. Le système de dépoussiérage (230) comprend une pluralité de buses à chemise d'eau (232) disposées dans la zone d'accumulation de poussière (231) de la surface intérieure du coude d'aspiration et/ou dans la zone d'accumulation de poussière (231) de la surface intérieure du manchon télescopique et un système de fourniture de fluide (233) configuré pour éjecter un fluide par l'intermédiaire de la pluralité de buses à chemise d'eau (232).

OFF-GAS CHANNEL

ASPIRATION SHELTER NAPYLNIKA CONVERTER

СИСТЕМА ДЛЯ СУХОГО ОБЕСПЫЛИВАНИЯ И СУХОЙ ОЧИСТКИ ЗАГРЯЗНЕННОГО ПЫЛЬЮ И ВРЕДНЫМИ ВЕЩЕСТВАМИ ГАЗА, ОБРАЗОВАННОГО В АГРЕГАТАХ ДЛЯ ПОЛУЧЕНИЯ ЧУГУНА В ПРОЦЕССЕ ПОЛУЧЕНИЯ ЧУГУНА ИЛИ В АГРЕГАТАХ ДЛЯ ПОЛУЧЕНИЯ ЖЕЛЕЗА В ПРОЦЕССЕ ПОЛУЧЕНИЯ ЖЕЛЕЗА

Система для сухого обеспыливания и сухой очистки загрязненного пылью и вредными веществами газа, образованного в агрегатах для получения чугуна в процессе получения чугуна или в агрегатах для получения железа в процессе получения железа, содержит подводящий трубопровод, устройство для предварительного осаждения, разветвители, обводной трубопровод, обеспыливающее устройство, соединительный трубопровод, устройство для установки температуры газового потока. При этом в трубопроводе для подвода первичного газа предусмотрено устройство для введения добавки.

APPARATUS AND METHOD FOR TREATING EXHAUST GAS

ASPIRATION SHELTER NAPYLNIKA CONVERTER

REMOVAL OF DRY DUST FROM FURNACE GAS

METHOD AND DEVICE FOR REMOVING SOLID PARTICLES AND RESIN COMPONENT FROM GASEOUS CARBON MONOXIDE

METHOD AND DEVICE FOR PROCESSING FURNACE GAS

METHOD AND FILTERING DEVICE FOR CLEANING FURNACE GAS

СПОСОБ СУХОГО ОБЕСПЫЛИВАНИЯ И СУХОЙ ОЧИСТКИ ЗАГРЯЗНЕННОГО ПЫЛЬЮ И ВРЕДНЫМИ ВЕЩЕСТВАМИ ГАЗА

Способ сухого обеспыливания и сухой очистки загрязненного пылью и вредными веществами газа, например газа, образованного в агрегатах для получения чугуна в процессе получения чугуна или в агрегатах для получения железа в процессе получения железа, или газа, полученного в установках для газификации угля, а также устройство для осуществления этого способа. При этом в газовый поток после предварительного осаждения и после установления его температуры на значение, превышающее 60 °C и не достигающее температуры, которая вызывает повреждение обеспыливающих устройств, перед началом обеспыливания вводят добавку, содержащую реагент и необязательно адсорбирующее средство.

From carbon monoxide in the gas used for removing solid particles and tar component of the method and apparatus of the

Control device and control method for converter furnace blowing equipment

Process and device for the use of flying dust of gases of metallurgical smoke of furnaces

Process and installation for the de-dusting of iron and steel gases of converters and other apparatuses with cyclic production of smoke at high temperatures

Waste Gas Cooling Stacks for Metallurgical Furnaces, Basic Oxygen Furnace Converters, or the like

DISPOSITIF DE CAPTAGE DES GAZ ET DES FUMEES PROVENANT D'UN CONVERTISSEUR

L'invention concerne une variante améliorée de l'installation de captage de gaz et fumées de convertisseur ayant fait l'objet de la demande de brevet principal. L'installation comporte en plus des organes décrits dans le brevet principal une jupe secondaire coaxiale à la conduite d'aspiration principale. La pièce intermédiaire de jonction entre l'enceinte et la conduite d'aspiration principale est mobile. En position relevée, cette pièce intermédiaire constitue avec la jupe secondaire une hotte large pour le captage des gaz et fumées émis lors du chargement du convertisseur. En position abaissée, cette pièce intermédiaire repose sur le sommet de l'enceinte constituée partiellement par le bord supérieur d'une porte de chargement du convertisseur. L'invention s'applique principalement au captage des gaz et fumées des convertisseurs d'affinage de la fonte en acier.

HEATED SURFACE FOR RECOVERY BOILER

Expansion and purification of dust-laden gases - part blast-furnace gases, by water spray, with automatic press. drop control giving optimum atomization

Chimney for exhaust fumes, with water cooling, in particular for converters of steel-works

Capture and recovery system for gases and particles

A system for capturing and recovering polluting gases and particles by means of self-priming pumping caused by induced flow pumps which are part of a close circuit of steam under pressure, thereby allowing a high efficiency in the decontamination and cleaning of the gas being extracted from environments having a high concentration of gases and particles, thus achieving low energy requirements and reintegrating the clean air to the atmosphere, also recovering and recycling the condensed steam resource which has been used in the process.

MELTING APPARATUS FOR THE PRODUCTION OF STEEL

A melting apparatus for steel production includes a support structure to support a shell for the production and tapping of steel, and a source or zone for the emission of fumes resulting from the tapping of the steel from the shell. The melting apparatus also includes a tapping hood integrated into the support structure and provided with a suction mouth positioned directly above the zone for the emission of fumes, the shell is provided with a bottom wall in which an E.B.T. is provided for tapping the steel. 1. A melting apparatus for steel production , comprising a support structure to support a shell for the production and tapping of steel , and a source or zone for the emission of fumes resulting from the tapping of the steel from said shell , the melting apparatus comprising a tapping hood integrated into the support structure and provided with a suction mouth positioned directly above the zone for the emission of fumes , said shell being provided with a bottom wall in which an E.B.T. (Eccentric Bottom Tap-hole) positioned inside said tapping hood is provided for tapping the steel , wherein said shell comprises a lateral wall that extends transversely to the bottom wall , wherein said E.B.T. (Eccentric Bottom Tap-hole) is made in the connection zone between said bottom wall and said lateral wall and wherein said tapping hood is positioned directly above a container to collect the tapped steel.24-. (canceled)5. The melting apparatus as in claim 1 , wherein said tapping hood comprises at least one suction pipe connectable to a suction line of the fumes coming from the fume emission zone.6. The melting apparatus as in claim 5 , comprising a main fume suction line disposed at least near said shell to suck up the fumes exiting from the latter claim 5 , said main fume suction line being independent from the fume suction line from said tapping hood.7. The melting apparatus as in claim 5 , wherein said fume suction line is connectable to the suction pipe of said tapping ...

Method for Recycling-Processing of Dust Generated in Converter Furnace

To provide a method for recycling processing of dust generated in a converter furnace for collecting the dust at a low cost in a short time and returning it as a metallic iron resource to the converter process. In a method for recycling processing of dust generated in a converter furnace, including: crushing and drying a cake formed by adding a binder to a slurry containing iron powder-containing dust that is generated at the time of converter blowing and wet-collected to produce a mixed slurry and subjecting the produced mixed slurry to a dehydration treatment in a filter press; accumulating the cake in an accumulation tank; and charging the cake into a converter furnace, the crushed product in the accumulation tank is kept at a temperature of less than 90° C. by forcibly passing air into the accumulation tank and charged into a converter furnace according to the converter operation. 1. A method for recycling processing of dust generated in a converter furnace , comprising: crushing and drying a cake; accumulating the cake in an accumulation tank; and charging the cake into a converter furnace , the cake being formed by adding a binder to a slurry containing iron powder-containing dust that is generated at the time of converter blowing and wet-collected to produce a mixed slurry and subjecting the produced mixed slurry to a dehydration treatment in a filter press ,the method comprising forcibly passing air into the accumulation tank to keep a crushed product in the accumulation tank at a temperature of less than 90° C., and charging the crushed product into a converter furnace according to a converter operation.2. The method for recycling processing of dust generated in a converter furnace according to claim 1 , wherein the slurry comprises iron powder-containing dust B as a remainder after separating iron powder-containing dust A exceeding a set separation particle diameter from the wet-collected iron powder-containing dust.3. The method for recycling processing ...

Combined system for producing steel and method for operating the combined system

The invention relates to a plant complex for steel production comprising a blast furnace for producing pig iron, a converter steel mill for producing crude steel and a gas-conducting system for gases that occur in the production of pig iron and/or in the production of crude steel. According to the invention, the plant complex additionally has a chemical or biotechnological plant connected to the gas-conducting system and a plant for producing hydrogen. The plant for producing hydrogen is connected to the gas-conducting system by a hydrogen-carrying line. Also the subject of the invention is a method for operating the plant complex.

PROCESS AND FILTER DEVICE FOR CLEANING FURNACE GAS

Process and device for cleaning furnace gas includes flowing in a main flow direction (A) the furnace gas passes an array of bag filters. Filtered furnace gas having passed the filter bags, is partly returned via one or more nozzles which are moved along downstream ends of the bag filters. Each bag filter is passed at least once by at least one nozzle during a cycle. A nozzle passing a bag filter blows filtered furnace gas in a backflow direction (B) through said bag filter. The backflow direction is opposite to the main flow direction.

COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE COMBINED SYSTEM

The invention relates to a plant complex for steel production comprising a blast furnace for producing pig iron, a converter steel mill for producing crude steel and a gas-conducting system for gases that occur when producing the pig iron and/or producing the crude steel. According to the invention, the plant complex additionally has a chemical plant or biotechnological plant, connected to the gas-conducting system, and also energy storage for covering at least part of the electricity demand of the plant complex. Also the subject of the invention is a method for operating the plant complex. 112.-. (canceled)13. A plant complex for steel production comprising:a blast furnace for producing pig iron;a converter steel mill for producing crude steel; anda gas-conducting system for gases that occur in at least one of the production of pig iron and crude steel; a chemical plant or a biotechnological plant connected to the gas-conducting system;', 'an energy storage for covering at least part of the electricity demand of the plant complex; and', 'an electrolysis plant for the electrolysis of water, the electrolysis plant being connected to the chemical plant by a hydrogen line and being connected to at least one of the blast furnace and the converter steel mill for producing crude steel or treating crude steel by means of an oxygen return device, wherein, for the purpose of supplying electricity to the electrolysis plant, the energy storage is electrically connected thereto., 'the plant complex additionally comprises, 'wherein14. The plant complex according to claim 13 , wherein the energy storage is formed as a chemical or electrochemical storage.15. The plant complex according to claim 13 , wherein the plant complex additionally comprises a power-generating plant claim 13 , which is designed as a gas-turbine power-generating plant or a gas-turbine and steam-turbine power-generating plant and is operated with a gas which comprises at least a partial amount of one of: the ...

PROCESS AND DEVICE FOR TREATING FURNACE GAS

A process and a device for treating a flow of furnace gas with a pressure of more than 1 bar flowing through a channel. A powder agent, such as a powder comprising alkali reagents, such as lime, and/or absorbents, such as activated coal, is injected under an overpressure into the furnace gas flow via an injector which is positioned centrally within the channel The powder agent may be fluidized. The pressure for injecting the powder may be adjusted by controlling the volume of fluidization gas vented via a venting outlet. 1. A process for treating a flow of furnace gas with a pressure of more than 1 bar flowing through a channel , wherein a powder agent is injected under an overpressure into the furnace gas flow , wherein the powder agent is added to the furnace gas flow via an injector which is positioned centrally within the channel2. The process of wherein the powder agent is fluidized before it is injected.3. The process of claim 2 , wherein the pressure for injecting the powder agent is adjusted by controlling the volume of fluidization gas vented via a venting outlet.4. The process of claim 1 , wherein the powder agent is radially injected into the blast furnace gas flow.5. The process of claim 1 , wherein the powder agent comprises one or more absorbents.6. The process of claim 1 , wherein the furnace gas flow is subsequently filtered.7. A device for treating a flow of furnace gas claim 1 , the device comprising a flow channel and an injector centrally arranged within the flow channel and provided with radially directed outlets claim 1 , the injector comprising a chamber configured to contain a fluidized bed of a powder agent with a supply for a fluidizing gas configured to blow the powder agent via the radial outlets into the furnace gas flow with an overpressure of at least 10 mbar relative to the pressure in the furnace gas flow.8. The device of claim 7 , further comprising a vent connecting the chamber to a fluidizing gas discharge outside the channel.9. ...

Werkwijze voor het bedrijven van een gasterugwinningssysteem.

Explosion preventing device of converter non-combustion type exhaust gas treating apparatus

Recovery control method of converter exhaust gas

Device for cooling gas removal pipe

Process of cooling waste gas bend and apparatus for carrying out same, said process comprising removing concentrated heat at said bend by feeding coolant at an adjustable pressure through cooling channels longitudinally disposed along a selected sector of the cross-section of the bend, the channels being of equal flow cross-section within the entire circuit, said heat being reduced to a level prevailing in the cool sections of the bend portion of the casing (i.e. the cooler sections of the cross-section).

Комплекс установок для производства стали и способ эксплуатации комплекса установок

Изобретение относится к металлургии. Технический результат – повышение экономичности производства стали. Комплекс установок для производства стали содержит доменную печь для производства чугуна, конвертерную сталеплавильную установку для производства сырой стали и газопроводную систему для газов, выделяющихся при производстве чугуна и/или при производстве сырой стали. Согласно изобретению комплекс установок снабжен подключенной к газопроводной системе химической установкой или биотехнологической установкой, а также накопителем энергии для покрытия по меньшей мере части потребности электрического тока для комплекса установок. 8 н. и 19 з.п. ф-лы, 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 670 513 C1 (51) МПК F27D 17/00 (2006.01) C21B 5/06 (2006.01) C21C 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F27D 17/00 (2006.01) (21)(22) Заявка: 2016128079, 11.12.2014 (24) Дата начала отсчета срока действия патента: Дата регистрации: 23.10.2018 12.12.2013 DE 10 2013 113 950.7 (45) Опубликовано: 23.10.2018 Бюл. № 30 (73) Патентообладатель(и): ТИССЕНКРУПП АГ (DE) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 12.07.2016 (56) Список документов, цитированных в отчете о поиске: EP 2657215 A1, 30.10.2013. DE 102011077819 A1, 20.12.2012. WO 2011018124 A1, 17.02.2011. RU 2353659 C2, 27.04.2009. WO 2010/136313 A1, 02.12.2010. (86) Заявка PCT: 2 6 7 0 5 1 3 R U (87) Публикация заявки PCT: WO 2015/086152 (18.06.2015) C 1 C 1 EP 2014/003318 (11.12.2014) 2 6 7 0 5 1 3 Приоритет(ы): (30) Конвенционный приоритет: R U 11.12.2014 (72) Автор(ы): АХАЦ, Райнхольд (DE), ВАГНЕР, Йенс (DE), ОЛЕС, Маркус (DE), ШМЁЛЕ, Петер (DE), КЛЯЙНШМИДТ, Ральф (DE), МАЙСНЕР, Кристоф (DE), БРЕДЕМЕЙЕР, Нильс (DE), ФЁЛЬКЛЬ, Йоханнес (DE) Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) КОМПЛЕКС УСТАНОВОК ДЛЯ ПРОИЗВОДСТВА СТАЛИ И СПОСОБ ЭКСПЛУАТАЦИИ КОМПЛЕКСА УСТАНОВОК (57) Реферат: Изобретение относится ...

含锌转炉粉尘的再循环方法

本发明涉及含锌转炉粉尘的再循环方法，包括从利用湿式集尘装置回收的转炉粉尘中分离粗粒成分，得到锌含有率0.5～10质量％，铁成分含有率50～90质量％的含锌细粒粉尘的第1工序；利用水旋流器(15)，将其分离成平均粒径在8μm以上、25μm以下的锌含有率在1质量％以下的低锌的中细粒粉尘，和平均粒径在1μm以上、5μm以下的锌含有率大于1质量％，且比中细粒粉尘含有更多氧化铁的高锌的微细粒粉尘的第2工序；中细粒粉尘在不实施脱锌处理下，通过添加粘合剂实施冲压处理，形成作为转炉原料或电炉原料使用的成块物的第3工序；和对微细粒粉尘在干燥后实施脱锌处理，直接作为高炉原料，或形成成块物，作为转炉原料的第4工序。

Procedure for collection and treatment of reactive gases from installation for producing liquid metals and corresponding installation for dust removal

FIELD: metallurgy. ^ SUBSTANCE: hot gaseous and dusted reactive gases escaping metallurgical capacity are partially subject to the first process and partially subject to the second process of dust removal in provided installations for dust sedimentation. Reactive gases entering in the second process of dust removal prior to process of dust removal pass via a heat accumulator; also reactive gases with temperature higher, than temperature of the wall of an accumulating element, transfer heat to this element and accumulate heat in the heat accumulator. Said accumulated heat is transferred to following reactive gases, temperature of which is lower, than temperature of the wall of the accumulating element. ^ EFFECT: reliable removal of dust of considerable amount of reactive gases in installations of minimal dimensions. ^ 14 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 358 016 (13) C2 (51) МПК C21C 5/40 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2006113597/02, 26.08.2004 (24) Дата начала отсчета срока действия патента: 26.08.2004 (72) Автор(ы): ХАМПЕЛЬ Альфред (AT), ЭНГЕЛЬМАНН Антон (AT) (43) Дата публикации заявки: 10.11.2007 2 3 5 8 0 1 6 (45) Опубликовано: 10.06.2009 Бюл. № 16 (56) Список документов, цитированных в отчете о поиске: US 4050682 А, 27.09.1977. US 3395512 А, 06.08.1968. DE 1039084 А, 18.09.1958. SU 372274 А, 01.03.1973. SU 296811 А1, 02.03.1971. 2 3 5 8 0 1 6 R U (86) Заявка PCT: EP 2004/009522 (26.08.2004) C 2 C 2 (85) Дата перевода заявки PCT на национальную фазу: 24.04.2006 (87) Публикация PCT: WO 2005/035797 (21.04.2005) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Ю.Д.Кузнецову, рег. № 595 (54) СПОСОБ СБОРА И ОБРАБОТКИ РЕАКЦИОННЫХ ГАЗОВ ИЗ УСТАНОВКИ ДЛЯ ПОЛУЧЕНИЯ ЖИДКИХ МЕТАЛЛОВ И СООТВЕТСТВУЮЩАЯ УСТАНОВКА ДЛЯ УДАЛЕНИЯ ПЫЛИ (57) Реферат: Изобретение относится к области ...

Apparatus for producing low nitrogen steel

(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。

転炉排ガス処理装置のスカ−ト

(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。

Online quality-improving treatment method for converter gas

本发明公开了一种转炉煤气提质处理方法，属于冶金行业能源和副产品回收利用技术领域。该方法直接将经过预热的焦炉煤气通入转炉烟道中，高温转炉煤气和焦炉煤气在转炉烟道中混合并发生一系列重整反应，得到H 2 和CO总含量较高的产物气，产物气可用作冶金过程的还原剂或化工用合成气。该煤气重整方法可充分利用转炉煤气中的物理热和成分，实现转炉煤气余热的高效回收利用、CO 2 排放的降低以及转炉煤气利用价值的提升。

Process and apparatus for cleaning and pumping contaminated industrial gases

PROCESS AND APPARATUS FOR REMOVING CONTAMINANTS FROM AND PUMPING A GAS STREAM COMPRISING INDIRECTLY HEAT EXCHANGING THE GAS AND A LIQUID, INTRODUCING THE LIQUID UNDER CONDITIONS OF ELEVATED TEMPERATURE AND PRESSURE IN VAPORIZED AND ATOMIZED FORM INTO THE GAS, MIXING SAME THEREBY ENTRAPPING THE CONTAMINANTS, AND SEPARATING CLEAN GAS FROM THE ATOMIZED LIQUID CONTAINING THE CONTAMINANTS.

Method and device for cooling of exit gas

FIELD: metallurgy. SUBSTANCE: invention refers to metallurgy, and namely to method and system of formed gases removal in basic-oxygen converter. Method includes cooling of combustion gas by adding reducing agent to high temperature exit gas containing high temperature gases - carbon monoxide and carbon dioxide. Blowing by reducing agent is performed to inlet side of dust catcher. Endothermal reaction takes place in channel, and reaction is completed under temperature of exit gas of 800°C. The system of formed gases removal contains cooling device in the form of reducing agent blowing atomizers, located in one or several places of the channel part, at that the channel part is located between upper air blowing pipe or lower basic-oxygen converter hood and inlet side of primary dust catcher. EFFECT: providing reduction of volatile acid emissions. 9 cl, 10 dwg, 1 tbl, 10 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C21C 5/38 (13) 2 536 123 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012130458/02, 12.05.2009 (24) Дата начала отсчета срока действия патента: 12.05.2009 2010146491 16.05.2008 (73) Патентообладатель(и): ДжФЕ СТИЛ КОРПОРЕЙШН (JP) R U Приоритет(ы): Номер и дата приоритета первоначальной заявки, из которой данная заявка выделена: (72) Автор(ы): ТАКАГИ,Кацухико (JP), САИМА,Хитоси (JP), МОГИ,Ясухиро (JP), МИЁСИ,Ясуо (JP) (43) Дата публикации заявки: 27.01.2014 Бюл. № 3 (56) Список документов, цитированных в отчете о поиске: RU 2002812 C1, 15.11.1993. JPH 2 5 3 6 1 2 3 R U Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) СПОСОБ И УСТРОЙСТВО ДЛЯ ОХЛАЖДЕНИЯ ОТХОДЯЩЕГО ГАЗА (57) Реферат: Изобретение относится к области температуре отходящего газа, равной 800°С. металлургии, в частности к способу и системе Система отвода образовавшихся газов содержит отвода образовавшихся газов в кислородном устройство для охлаждения в виде форсунки для конвертере. Способ включает ...

Recovery method for converter gas

(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。

Method for making steel in oxygen converter

СПОСОБ ПРОИЗВОДСТВА СИГАЛИ В КИСЛОРОЛНОМ KOHBF.PTEPH, включающий завалку лома, его нагрев путем подачи в конвертер газов периода продувки , заливку чугуна, продувку расплава кислородом, о т л и ч а ю В1 и и с   тем, что, с целью.снижени  себестоимости стали и увеличени  производительности процесса, продувку кислородом ведут снизу в оболочке защит .ной среды, газы периода продувки собирают , подачу их в период нагрева осуществл ют снизу в смеси с кислородом , причем газы периода нагрева так же собирают и используют в период продувки расплава кисло|5одом в качестве защитной среды. DO 4:: ;о э METHOD OF MANUFACTURING SIGALS IN THE ACIDIC KOHBF.PTEPH, including filling scrap, heating it by supplying a purge period to the converter, pouring iron, melting it with oxygen, and so that, in order to reduce the cost steel and increase the productivity of the process, purging with oxygen is carried out from below in the protective envelope. The gases of the purge period are collected, they are supplied during the heating period from the bottom mixed with oxygen, and the gases of the heating period are also collected and used during the melt purge period lo | 5dome as a protective environment. DO 4 ::; oh

Saturated steam generator set control system and control method

本发明涉及钒钛炼钢转炉工艺技术领域，具体涉及一种饱和蒸汽发电机组控制系统及控制方法。该系统包括通过蒸汽管道依次连通的炼钢转炉汽包、发电机组蓄热器和汽轮机组，炼钢转炉汽包设置有放散阀，炼钢转炉汽包与发电机组蓄热器之间的蒸汽管道设置有第一开关阀，发电机组蓄热器和汽轮机组之间的蒸汽管道设置有流量计和第一调节阀，第一开关阀、流量计和第一调节阀分别与PLC控制器电连接，当转炉汽包的蒸汽压力超过安全范围时放散阀自动放散蒸汽，当钢转炉汽包的蒸汽压力值大于或者等于第一压力值时，PLC控制器控制第一开关阀和第一调节阀开启。该控制系统既保证了炼钢转炉汽包的安全，又实现了将饱和蒸汽送至汽轮机组发电的自动控制。

A kind of process system and method to ultra-clean dedusting of flue gas of converter

本发明涉及一种对转炉一次烟气超净除尘的工艺系统和方法，所述工艺系统包括蒸发冷却器(2)、第一管道系统、静电除尘器(4)、第二管道系统、洗涤冷却塔(9)、切换站(11)和烟气放散或存储系统；蒸发冷却器(2)通过第一管道系统连接静电除尘器(4)，静电除尘器(4)通过第二管道系统连接洗涤冷却塔(9)，洗涤冷却塔(9)通过第二管道系统连接切换站(11)，切换站(11)连接烟气放散或存储系统。所述工艺系统与常规LT干法系统工艺相比，转炉一次烟气放散粉尘浓度≤10mg/Nm 3 ，能够满足超净排放的要求。

Refining device of steel having gas circulating system

Sealing device for furnace port

Device for catching convertor off-gases

A method for treating waste gases which are emitted from metallurgic refining methods wherein the gas is collected, cooled, cleaned and stored, and wherein the gas is removed from the refining method and treated under an excess pressure which pressure results from the refinery gas pressure. An apparatus for carrying out the method comprising a metallurgic vessel contained in a pressure vessel which is connected to a waste gas cooler and a dust separator is disclosed.

Improvement unit of cooling efficiency of static cooler for gas through charging hood of converter in steel making plant

본 발명은 전로 제강공장 장입후드 가스 냉각용 스태틱 쿨러 냉각효율 향상장치에 관한 것으로, 전로 혹은 전기로에 용선 혹은 고철을 장입할 때 발생되는 고열 가스와 먼지를 집진하기 위해 구비되는 스태틱 쿨러을 냉각효율 향상장치에 있어서; 상기 스태틱 쿨러에 내장되는 축열판의 형상이 모서리를 갖게 꺽은 형태가 되게 하여 가스와 먼지가 타고 넘어가지 못하도록 부딪혀 충돌하는 구조를 갖도록 하고, 상기 축열판의 길이방향을 따라 불일정한 높이를 갖는 핀을 불규칙하게 배열하여 난류를 일으키게 하되, 상기 핀은 상기 축열판의 일부를 사각 혹은 삼각 형상으로 절개하여 돌출시킨 것을 특징으로 하는 전로 제강공장 장입후드 가스 냉각용 스태틱 쿨러 냉각효율 향상장치를 제공한다. The present invention relates to a static cooler cooling efficiency improving device for gas charging hood gas plant charging converter, static efficiency cooler provided to collect the high temperature gas and dust generated when charging molten iron or scrap in the converter or electric furnace To; The shape of the heat storage plate embedded in the static cooler has a corner shape so as to have a structure that collides with each other so that gas and dust cannot ride over, and has a structure having a non-uniform height along the longitudinal direction of the heat storage plate. Irregularly arranged to cause turbulence, the fin provides a static cooler cooling efficiency improving device for the converter gas hood cooling of the converter steel mill, characterized in that protruding by cutting a portion of the heat storage plate in a square or triangular shape. 본 발명에 따르면, 전로 혹은 전기로 등에 설치되는 장입후드의 축열판 구조를 개선함으로써 그 냉각효율을 향상시키고, 이를 통해 용선이나 고철의 장입시 발생되는 가스와 먼지를 보다 고효율적으로 포집할 수 있게 하는 효과를 얻을 수 있다. According to the present invention, it is possible to improve the cooling efficiency by improving the heat storage plate structure of the charging hood installed in the converter or the electric furnace, thereby to collect the gas and dust generated during the charging of molten iron or scrap metal more efficiently. You can get the effect. 전로, 전기로, 냉각효율, 가스, 먼지, 포집, 장입후드, 축열판, 스태틱 쿨러 Converter, Electric Furnace, Cooling Efficiency, Gas, Dust, Collecting, Loading Hood, Heat Storage Plate, Static Cooler

Method and apparatus for manufacturing preheated iron scrap

여러 가지 사이즈와 형상을 가진 철계 스크랩편을 융착을 피하면서 효율적으로 예열하기 위하여, 철계 스크랩을 용융하는 용융로의 전단계에서, 로타리킬른형 예열로와 샤프트로형 예열로를 평행으로 설치하고, 쌍방예열로로부터 예열된 스크랩을 용융로에 장입한다. 샤프트로형 예열로와 용융로사이에 댐퍼를 설치하고, 용융로 로부터의 배가스가 샤프트로형 예열로에 직접 유입되는 것을 방지하면서 로타리킬른형 예열로에 유입시킨다. 로타리킬른형 예열로를 통과한 배가스를 샤프트로형 예열로에 바람직하게는 위로부터 유입케하고 아랫쪽으로 배출한다. 로타리킬른형 예열로 및/ 또는 샤프트로형 예열로에는 배가스중의 가연성분을 연소시키기 위한 공기 또는 산소가스포트를 설치한다. In order to efficiently preheat iron-based scrap pieces having various sizes and shapes while avoiding welding, rotary kiln type preheating furnaces and shaft furnace type preheating furnaces are installed in parallel at both stages of the melting furnace for melting iron scrap. Scrap preheated from the furnace is charged to the melting furnace. A damper is installed between the shaft furnace preheating furnace and the melting furnace, and is introduced into the rotary kiln preheating furnace while preventing direct exhaust gas from the melting furnace from entering the shaft furnace preheating furnace. The exhaust gas passing through the rotary kiln type preheating furnace is introduced into the shaft furnace type preheating furnace, preferably from above and discharged downward. Rotary kiln preheating furnaces and / or shaft furnace preheating furnaces are fitted with air or oxygen gas ports for the combustion of combustible components in the flue-gases.

BENTONITE-BOUNDED PRESS LEGS BELOW OXIDIC ICE CARRIER

Die vorliegende Erfindung betrifft ein Verfahren zum Herstellen von eisenoxidhältigen Presslingen aus unterkörnigen oxidischen Eisenträgern durch Herstellung einer Mischung welche unterkörnige oxidische Eisenträger, Bentonit als Binder, und Wasser umfasst, Pressen der Mischung, und Härtung der bei der Pressung erhaltenen Grünpresslinge, sowie die durch das Verfahren hergestellten Presslinge und die Verwendung der Presslinge als stückiger Eisenträger. Erfindungsgemäß wird die Mischung nach Zusammenführung ihrer Komponenten einem mindestens 3-minütigen bis zu 30 minütigen Knetvorgang unterworfen wird, an den sich die Pressung anschließt. Die Presslinge werden ohne Maukvorgang durchgeführt. The present invention relates to a process for producing iron oxide-containing compacts from lower-grained oxidic iron carriers by preparing a mixture comprising lower-grained oxidic iron carriers, bentonite as binder, and water, pressing the mixture, and curing the green compacts obtained in the pressing, as well as by the method produced compacts and the use of the compacts as lumpy iron carrier. According to the invention, after combining its components, the mixture is subjected to a kneading process of at least 3 minutes up to 30 minutes, followed by pressing. The compacts are carried out without mucking.

A kind of vanadium titanium coal gas of converter electro dust removing method

本发明涉及环保技术领域，且公开了钒钛转炉煤气电除尘方法，包括以下步骤：1)向空的炼钢转炉中加入钢材，钢材的重量为150t以上，然后对炼钢转炉中钢材进行底部吹炼，每分钟吹氧量在20000Nm 3 /h‑25000Nm 3 /h；2)对铁水管中的原材料加热之后熔制得到混合钒钛铁水，所述混合钒钛铁水经提钒转炉提钒后再进行预处理脱硫和脱磷，脱硫后的半钢再兑入炼钢转炉炼钢；3)增加烟囱的高度，然后使用二次燃烧提钒氧枪。该钒钛转炉煤气电除尘方法，通过设置多个泄爆阀，可避免因烟囱的内部温度过高或者压力太大而导致爆炸，采用高温烟气除尘器和静电除尘器可更好的对烟气进行过滤，避免烟气污染环境，达到了比较好的防爆效果好环保效果，更方便使用者使用。

Apparatus for sealing the skirt of a converter waste gas recovery system

The apparatus for providing a complete airtight seal for higher CO gas recovery and being less likely to be impaired by splashed slag or metal comprises an annular flange (16) adjacent to a rim of the converter mouth, mounted just below the lower part of the skirt (2) and having a vertical external surface, and an annular sealing band for abutting the vertical surface and divided into segments, each pivotable on a separate horizontal pin (20) to swing to and from the surface. Each segment is connected to the piston rod of a separate hydraulic cylinder (18) so that they can be held under pressure against the surface.

Improvement unit of cooling efficiency of static cooler for gas through charging hood of converter in steel making plant

본 발명은 전로 제강공장 장입후드 가스 냉각용 스태틱 쿨러 냉각효율 향상장치에 관한 것으로, 전로 혹은 전기로에 용선 혹은 고철을 장입할 때 발생되는 고열 가스와 먼지를 집진하기 위해 구비되는 스태틱 쿨러을 냉각효율 향상장치에 있어서; 상기 스태틱 쿨러에 내장되는 축열판의 형상을 물결무늬 혹은 지그재그 형상으로 형성한 것을 특징으로 하는 전로 제강공장 장입후드 가스 냉각용 스태틱 쿨러 냉각효율 향상장치를 제공한다. 본 발명에 따르면, 전로 혹은 전기로 등에 설치되는 장입후드의 축열판 구조를 개선함으로써 그 냉각효율을 향상시키고, 이를 통해 용선이나 고철의 장입시 발생되는 가스와 먼지를 보다 고효율적으로 포집할 수 있게 하는 효과를 얻을 수 있다. 전로, 전기로, 냉각효율, 가스, 먼지, 포집, 장입후드, 축열판, 스태틱 쿨러

Converter gas dust collector

本发明公开了转炉煤气除尘装置，蒸发冷却器，蒸发冷却器的外壁固定安装有出尘口，蒸发冷却器的顶部对称安装有除尘机构组，两个除尘机构组的下端均贯穿并延伸至蒸发冷却器内部，两个除尘机构组的下端均固定安装有刮尘板，两个除尘机构组分别驱动两个刮尘板沿着蒸发冷却器内壁做垂直升降运动，蒸发冷却器内部的底面固定安装有尘垢收集槽，尘垢收集槽具体为环形，尘垢收集槽的外壁固定安装有出尘槽。本实用提供的转炉煤气除尘装置，能通过刮尘板对蒸发冷却器内部的结垢积灰进行刮除，能方便对蒸发冷却器内部的灰尘进行集中处理，提高除尘效率，能减少蒸发冷却器因内部积灰造成的除尘性能下降。

Dust collector for charge of molten pig iron to converter

Skirt lifting equipment of converter exhausted gas treating equipment

(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。

Patent JPH0231309B2

Arrangement for removing and cooling hot converter waste gas

FIELD: metallurgy. SUBSTANCE: arrangement has hollow sections, whose inner and outer walls form space to receive liquid cooling agent. Each hollow section is provided with lower and upper means to join inner and outer walls thereby forming closed space between them. Lower means has one or more openings to drain liquid cooling agent, which communicate with liquid cooling agent receiver connected to autonomous drain pipeline. Arrangement further has removable subunits with multiple spray means disposed within closed space in a certain part of hollow section near inner metal wall at a certain distance to it. Liquid cooling agent is sprayed onto inner surface of the metal wall. Aforementioned pipeline, being autonomous for each subunit, transfers liquid cooling agent to collector pipeline passing the agent to spray means. EFFECT: improved structure of equipment and enhanced efficiency of process. 3 cl, 8 dwg сС6$080с ПЧ ГЭ (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (51) МПК 13) ВИ” 2 080 392 ^^ Сл С 21С 5/40, 5/46, Е 27 0 17/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 94011569/02, 07.04.1994 (30) Приоритет: 08.07.1993 1$ 8-088.800 (46) Дата публикации: 27.05.1997 (56) Ссылки: Заявка ФРГ М 1408919, кл. С21 С 5/40, 1972. (71) Заявитель: Юкар Карбон Текнолоджи Корпорейшн (ЦЗ) (72) Изобретатель: Девид Артур Лер[Ц$], Гордон Раймонд Робертс Ц$], Марк Томас Артур[У$] (73) Патентообладатель: Юкар Карбон Текнолоджи Корпорейшн (ЦЗ) (54) УСТРОЙСТВО ДЛЯ ОТВОДА И УПРАВЛЕНИЯ ОХЛАЖДЕНИЕМ ГОРЯЧИХ КОНВЕРТЕРНЫХ ГАЗОВ (57) Реферат: Использование: В металлургии, В частности в устройствах для отвода и управления охлаждением горячих конвертерных газов. Сущность изобретения: устройство для отвода и управления охлаждением горячих конвертерных газов содержит полые секции (ПС), внутренняя и наружная металлические стенки которых образуют полость для подвода жидкого хладагента (ЖХА) каждая (ПС) снабжена нижним и верхним средствами для соединения ...

System for drying, dedusting and purifying gas generated during steel production and coal gasification

本实用新型涉及一种用于对在钢铁生产或者煤炭气化时产生的气体进行干燥除尘和净化的系统，具有导送来自生铁生产机组或者钢铁生产机组的气流的输入管路（1），所述系统还具有至少一个除尘装置（10、11、12）以及在所述除尘装置（10、11、12）之前在所述输入管路（1）或者主气体管路（6）中存在着用于对气流的温度进行调节的装置（13），在所述主气体管路中存在着用于添加添加剂的装置（14），本实用新型解决了对包含在气体中的固体和其它在气体中携带的材料加以利用的任务，因为在彼此分开的情况下得到了在预分离、除尘和净化时得到的材料。

On-line pelletizing device and method for precipitator dust

除尘灰在线造球设备和方法，通过在布袋收集之前对除尘灰进行造球处理，从而有利于延长布袋和龙骨的使用寿命，避免除尘灰运输过程的二次污染环境，提高除尘灰回收利用率，其特征在于，包括混料器，所述混料器的混料器入料口连接灰料仓，所述灰料仓具有连接钢铁冶炼除尘器的在线连接接口，所述混料器的混料器出料口连接造球机。

Closing member for metallurgical vessel

Apparatus for preventing dusts from accumulating on exhaust gas duct of convertor and for electrostatic precipitator from exploding

본 발명은 배가스 덕트 내부 및 전기 집진기 입구의 배가스 분배판에서 분진 누적을 방지하고 전기 집진기의 내부 폭발을 예방하여, 전로의 가동 중단 예방, 전기 집진기 내부 부품의 파손방지, 노 수리의 공기 단축 등의 효과를 가지는 전로 배가스 덕트에서 분진 누적 방지 및 전기 집진기 폭발 방지 장치에 관한 것이다. 본 발명에 따른 장치는 불활성 가스를 공급 및 차단하기 위한 제어 밸브(501)가 설치되고 가스 덕트(104)를 따라서 가스 덕트(104)와 평행하게 연장하도록 설치되는 불활성 가스 주입관(502) 및 전기 집진기(106)를 따라서 일정 간격으로 제공되는 다수의 불활성 가스 취입 장치(500)를 포함한다. 각각의 불활성 가스 취입 장치(500)는 가스 덕트(104) 및 전기 집진기(106)로 취입되는 불활성 가스의 유량을 조절하기 위한 유량 조절 밸브(503)들과, 상기 유량 조절 밸브(503)에 의하여 유량이 조절된 불활성 가스를 가스 덕트(104) 및 전기 집진기(106)의 배가스 분배기(105)로 분사하기 위하여 각각의 유량 조절 밸브(503)에 설치되는 분사 노즐(504)들을 구비한다.

Vapor generating apparatus

Combined system for producing steel and method for operating combined system

Изобретение относится к области металлургии, а именно к комплексу установок для производства стали с доменной печью для производства чугуна, конвертерной сталеплавильной установкой для производства сырой стали, газопроводной системой для газов, выделяющихся при производстве чугуна и/или при производстве сырой стали. Комплекс установок имеет подключенную к газопроводной системе химическую установку или биотехнологическую установку, а также установку для производства водорода. Установка для производства водорода соединена посредством подающего водород трубопровода с газопроводной системой. Комплекс дополнительно содержит электростанцию для выработки электрического тока, сконструированную как газотурбинная электростанция или как газопаротурбинная электростанция и эксплуатируемую с помощью газа, содержащего по меньшей мере порцию смеси выделяющегося при производстве чугуна в доменной печи колошникового газа и/или порцию смеси выделяющегося в конвертерной сталеплавильной установке конвертерного газа. Изобретение позволяет создать комплекс установок, с помощью которых можно уменьшить издержки при производстве стали. 10 н. и 52 з.п. ф-лы, 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 670 822 C1 (51) МПК C21B 5/06 (2006.01) C21B 7/00 (2006.01) C21C 5/38 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C21B 5/06 (2006.01); C21B 7/00 (2006.01); C21C 5/38 (2006.01) (21)(22) Заявка: 2016128082, 11.12.2014 (24) Дата начала отсчета срока действия патента: Дата регистрации: 25.10.2018 12.12.2013 DE 10 2013 113 921.3 (45) Опубликовано: 25.10.2018 Бюл. № 30 (73) Патентообладатель(и): ТИССЕНКРУПП АГ (DE) (85) Дата начала рассмотрения заявки PCT на национальной фазе: 12.07.2016 (56) Список документов, цитированных в отчете о поиске: US 2006/027043 A1, 09.02.2006. WO 00/05421 A1, 03.02.2000. JP 2011225969 A, 10.11.2011. RU 2125613 C2, 27.01.1999. (86) Заявка PCT: 2 6 7 0 8 2 2 R U (87) Публикация заявки PCT: WO 2015/086153 (18 ...

Combined system for producing steel and method for operating the combined system

本发明涉及一种用于炼钢的设备组合，该设备组合包括用于生产生铁的高炉(1)、用于生产粗钢的转炉炼钢设备(2)以及为生产生铁过程中和/或生产粗钢过程中所产生的气体而设的气体管道系统。根据本发明，该设备组合额外还具有连接到该气体管道系统的化学或生物技术的设备(11)以及用于产生氢气的设备(21)。用于产生氢气的设备(21)通过用于引导氢气的管道与气体管道系统连接。本发明还涉及一种用于运作该设备组合的方法。

Method for collecting Linze Donawitz Gas

본 발명은 전로 부생 가스의 회수에 관한 것으로서, 더욱 상세하게는 제강 전로에서 용선을 용강으로 제조하는 작업 과정중에 발생되는 부산물인 CO 가스를 회수하여 재활용하기 위한 작업중, 회수 컵 밸브 전후단 압력차인 차압을 회수를 할 수 있는 적정 차압으로 조정하는 작업에 있어서, 배가스의 유량을 인위적으로 조정할 수 있는 후드 압력을 차압의 높고 낮음에 따라 연동으로 자동 제어하여, 차압 형성 시간을 단축시켜, 전로 부생 가스 회수를 극대화하도록 함으로써, 원가 절감에 따른 경쟁력 확보와 CO 2 가스 방산에 따른 대기오염을 방지하는 방법에 관한 것이다. The present invention relates to the recovery of converter by-product gas, and more particularly, the differential pressure that is the pressure difference before and after the recovery cup valve during the operation for recovering and recycling the CO gas which is a by-product generated during the manufacturing process of molten iron from molten steel converter. In the operation of adjusting the pressure to an appropriate differential pressure, the hood pressure for artificially adjusting the flow rate of the exhaust gas can be automatically controlled in linkage according to the high and low pressure of the differential pressure to shorten the differential pressure forming time and recover the converter by-product gas. By maximizing, to secure a competitive edge due to cost reduction and to prevent air pollution due to CO 2 gas dissipation. 전로, LDG, 차압, 후드압력 Converter, LDG, Differential Pressure, Hood Pressure

Separation and recovery process of carbon monoxide from by-product gas of steel industry

본 발명은 산업부생가스 특히 철강산업에서 발생하는 부생가스 중 일산화탄소를 선택적으로 분리 및 정제할 수 있는 분리막과 흡착제를 이용한 고효율 혼성 분리공정기술에 관한 것으로, 상세하게는, 제철전로 공정 중 발생하는 제철전로가스에 포함되어 있는 부생가스 중 고순도의 일산화탄소를 다른 가스로부터 효율적으로 분리/회수하기 위한 공정에 관한 것이다. 본 발명은 부생가스에서 수분, 금속, 분진 등 불순물을 제거하는 전처리 공정과 일산화탄소, 이산화탄소, 수소, 질소 등이 포함된 부생가스를 막분리하여 일산화탄소 및 질소를 농축하는 막분리 공정, 가스 혼합물을 흡착제에 접촉시켜 일산화탄소를 흡착시키는 공정과 일산화탄소를 흡착시킨 흡착제로부터 일산화탄소를 탈착시키는 탈착공정으로 구성된다. The present invention relates to a high efficiency hybrid separation process technology using a membrane and an adsorbent capable of selectively separating and purifying carbon monoxide in by-product gas, especially in the by-product gas generated in the steel industry. The present invention relates to a process for efficiently separating / recovering high-purity carbon monoxide from other gases by-product contained in steelmaking gas. The present invention is a pretreatment process for removing impurities such as moisture, metals, dust from the by-product gas and membrane separation process for concentrating carbon monoxide and nitrogen by membrane separation of the by-product gas containing carbon monoxide, carbon dioxide, hydrogen, nitrogen, etc. adsorbent And a desorption process of desorbing carbon monoxide from the adsorbent on which the carbon monoxide is adsorbed.

Converter alloy feeding system with two-stage dust removal function

本发明涉及一种两级除尘的转炉合金加料系统，包括称量斗、烘烤斗和除尘处理单元，称量斗配置有至少一个向其供料的料仓，称量斗通过下料管与烘烤斗连接，烘烤斗中布置有自动点火装置和多个内混式燃烧器，烘烤斗的顶部设有第一除尘风管；称量斗的顶部设有除尘罩并于除尘罩上连接有第二除尘风管，第一除尘风管及第二除尘风管均与除尘处理单元连接。通过对称量斗配置除尘罩，可形成一次除尘；通过设置烘烤斗并在烘烤斗的顶部设置第一除尘风管，在烘烤合金的同时，合金料中的微细粉末能被烘烤热气流裹挟而带出烘烤斗，可形成二次除尘；通过二级除尘，显著地减少合金加料过程中产生的无组织扬尘，有效地改善车间内的空气质量。

Device for trapping waste gases from the converter

Gas removal device

A cooling device for use in tubular hot gas conduits which are made up of a plurality of longitudinally arranged side by side abutting pipes includes a plurality of registers arranged in spaced relationship along the length of the pipe and extending into the pipe from one side thereof into closely spaced arrangement in respect to the opposite side. The registers each include a plurality of U-shaped pipes which are interconnected and arranged in the direction of flow and which are connected externally of the hot gas conduit through respective inlet and outlet headers.

Control device and control method for converter furnace blowing equipment

전로 취련 설비의 제어 장치 (30) 는, 배기가스의 유량이나 성분 농도를 이용하여, 탈탄산소 효율 모델식의 설정 파라미터를 설정한다. 또, 전로 취련 설비의 제어 장치 (30) 는, 탈탄산소 효율 모델식의 변수에 교반 가스 유량을 더하고, 취련 처리 중의 교반 가스 유량의 변화의 영향을 탈탄산소 효율 모델식에 반영시킨다. 이로써, 탈탄산소 효율을 양호한 정밀도로 산출함으로써, 취련 처리 종료시의 용강 중 탄소 농도를 양호한 정밀도로 목표 탄소 농도로 제어할 수 있다. The control device (30) of the converter assembly facility sets the setting parameters of the decarbonylation efficiency model using the flow rate of the exhaust gas and the component concentration. In addition, the control device 30 of the converter assembly facility adds the stirring gas flow rate to the parameter of the decarburization oxygen efficiency model equation, and reflects the influence of the change in the stirring gas flow rate during the refining process on the decarbonization efficiency model. Thus, by calculating the decarburized oxygen efficiency with good precision, it is possible to control the carbon concentration in the molten steel at the end of the quenching process with the target carbon concentration with good precision.

Furnace system

Converter gas full recovery device and recovery method thereof

一种转炉煤气全回收装置及其回收方法，其包括转炉、除尘装置、四通阀、煤气柜、加压站、放散塔和用户端；除尘装置与四通阀之间的管路上安装有若干流量计和浓度计，各个管路上均安装有控制阀。本发明提出的转炉煤气全回收装置及其回收方法，可以在现有生产工艺条件不变以及不影响钢水生产质量和产量的前提下，对转炉产生的转炉煤气进行理论上的全部回收，从而达到转炉煤气产生量与回收量相等，在钢厂煤气消耗端的煤气用量不变的条件下，回收的更多转炉煤气可用于燃气锅，炉发电，从而为钢厂创造巨大的经济效益。而由于煤气全部回收，避免了不合格煤气的点火放散，也带来了巨大的环保效益。

Chilled chimney for converters

Hood for steel making converters - fitted with skirt for gas collection even when converter is tilted

Plant for the collection, without combustion, of the exhaust gases leaving the top of a converter, using an extn. hood fitted with a skirt, a suction fan, and a valve for controlling the gas flow. The skirt surrounds the upper part of the converter when the latter is in a vertical position and also when the converter is tilted. Part of the skirt can be retracted when the converter is charged. The retractable part of the skirt is pref. mounted on a trolley which travels along a horizontal track. A seal is used between the moving and fixed parts of the skirt. Used in the refining of steel, where the skirt and hood collect the gases irrespective of the position of the converter. The thermal capacity in the exhaust gas can be exploited, and noxious gases do not contaminate the atmos.

Exhaust gas circuit for metal conversion furnaces - where gas can be burnt in combustion chamber or supplied for other use

In the parent patent a process for the recuperation of gases arising from metallurgical furnaces in combustion or refining, of the type where the gases are sucked by a principal fan through a duct over the furnace mouth and flow to a combustion chamber, with the simultaneous intake of air round the duct using an auxiliary fan, this air being used in the combustion chamber. In the present invention, the novelty is that part of the gas fed to the combustion chamber is not burned in that chamber but is supplied to another, appropriate point of utilisation. The combustion of the gas in the chamber is pref. prevented or reduced by reducing the air intake round the gas duct. The unburnt or only partially burnt gases can be employed for other uses, e.g. in a gasometer or in a boiler.

Patent FR2180063A1

Method and device for regulating the capture of oxygen refining gases

Advanced hood for metal converters

Spray cooled hood system for handling hot gases from a metallurgical vessel utilizing pneumatic processing of molten metal

Hood assembly for pneumatic process metallurgical vessel, such as BOF, which includes removeable spray cooled sub-assemblies at predetermined locations in the hood assembly.

Bell and hopper for a cupola furnace

Bell and hopper arrangement facilitates the removal of undesirable quantities of gas, having a cupola placed over the bell and hopper opening. A collecting bin with suction supports connects with the cupola, and this is linked to a source of low pressure.

INSTALLATION FOR SUCKING LOADED AIR OF HARMFUL SUBSTANCES OUT OF LARGE BUILDINGS

L'invention concerne une installation pour l'aspiration d'air chargé de substances nocives. L'installation comporte des hottes dont les papillons il sont pontés chacun par un conduit de courant d'essai 13 constamment ouvert, muni d'un instrument à fonctionnement continu 16 qui mesure avec un faible retard la teneur en substances nocives de l'air aspiré et qui est relié à l'entraînement de réglage final 12 du papillon Il correspondant. En un point d'aspiration constamment ouvert 10, est prévu un instrument de mesure de pression d'aspiration 19 pour un régulateur 20 qui influence le dispositif de réglage final 7 du ventilateur 4. Application au dépoussiérage secondaire de halles d'aciérie, etc.

Device for capturing gases produced during continuous refining operations of a liquid metal.

Heat recovery boiler esp. for steelworks converter - where conical boiler tubes form exhaust gas hood above converter

The boiler is formed by conical walls, and each conical wall is made from a circular row of tubes. Each tube is conical, and the major dia. of each tube is located at the wide end of the truncated cone walls, whereas the minor dia. of each tube is located at the narrow end of each wall. A liq. coolant, e.g. water, is fed through the tubes. The result is that each tube is in direct contact with the two adjacent tubes in each circular row forming a truncated cone wall or hood. Used esp. to form the exhaust gas hood used above the throat of a steel making converter. The conical tubes are easily welded together without the need for external fins on the tubes; and high heat transfer is obtd.

Reducing ferrous minerals - using treated furnace mouth gases

Patent FR2374099B1

Expansion and purification of dust-laden gases - part blast-furnace gases, by water spray, with automatic press. drop control giving optimum atomization

The plant incorporates a vessel with an inlet pipe for the gas, a tube connected to the inlet pipe and extending into the vessel and a water injector in the tube. There are longitudinal slots in the wall of the tube, through which the water passes. The effective lenth of the slots can be varied by a piston sliding in the tube. The section of each slot, in a plane through the axis of the tube, has the form of a venturi. The axes of the slots are along radii around the axis of the tube, and they are spaced regularly around the periphery. The position of the piston is controlled automatically by a jack so that the press. drop through the slots is maintained at an optimum value. Used partic. in iron-works, steel works, blast furnaces, where the gases discharged are very hot and laden with dust, and must be purified before being discharge to atmos. or to energy recovering plants, e.g. turbines. The invention allows the press. drop to be controlled and therefore the gas rate, maintaining an optimum velocity of flow so as to give good atomisation of the water.

Hood with cooled walls

The hood with cooled walls for capturing hot fumes comprises at least one frustoconical portion, the wall of which is formed from juxtaposed tubes each connected to a forced circulation of a cooling liquid. At the broadest section of the frustoconical portion 10, the adjacent tubes 16 are not in contact with each other and gradually approach each other towards the narrowest cross-section, where they partly overlap, so that each tube 16 is either closer to or further from the axis of the hood than its neighbouring tubes and vice versa. Application to hoods as used over a molten metal bath for capturing the very hot fumes given off by the bath.

Converter chimney

The purification of converter gas pure dry type and waste heat depth recovery system and method

本发明提供了一种转炉烟气纯干式净化及余热深度回收系统，包括通过管道依次相连的汽化冷却烟道、水/汽冷旋风分离器、余热回收装置、陶瓷纤维过滤器、风机和三通切换阀，所述三通切换阀另两端分别连接煤气回收管路和烟气放散管路，所述风机和三通切换阀之间设置有烟气成分分析仪。该发明可使转炉烟气在全干燥的条件下进行除尘，减少水和水蒸气的消耗，同时，大幅度的回收转炉烟气的中低温段余热，增加废热资源的回收利用，节能效果显著。

Patent FR2051813A1

Patent FR2432151B1

GAS COLLECTOR COVER FOR METALLURGIC CONVERTER

Method and device for cooling industrial furnace installations, in particular converter stacks

Gas evacuation stack for metallurgical furnaces

Provision is made for channels containing cooling water, an interior cylindrical casing and an exterior cylindrical casing formed by the assembly of raised segment components. A shaped bar extends between two annular segments so as to serve as a compartment bulkhead between two adjacent vertical cooling channels. A stack has annular segments of the exterior casing connected directly and rigidly with the shaped bars. Radial and axial expansion is rendered possible by covers which are rigidly connected to the interior casing extending over the exterior face of the interior casing in the longitudinal direction of the shaped bars and guiding the shaped bars with certain amount of play. Advantage: prevision of compartment bulkheads serves to maintain the cooling channel section in a ready state, and to act as supports for maintaining the assembly of the interior and exterior walls. Use: principally for steel mill converters.

Process for cooling and using the calorific value of gases from intermittent combustions

Overhead crane - for iron and steelworks in which the lifting appts is protected from heat

The lifting appts is protected from the column of hot gas issuing from a converter or other steelworks plant by means of a hood fitted with an orifice whose dimensions correspond to those of a gas column. It has an extension which acts as an evacuation channel for the escaping gas and leads to a fixed evacuation chimney.

Method and device for returning dust produced during refining to metallurgical refining apparatus by lance

Two-step knife blade prodn

Two-step knife blade production. This production of a knife blade avoids the conventional first two steps of drawing and upsetting. The blanks are cut side by side obliquely along the surface of the steel sheet which is specially shaped so that it is of constant thickness at a point nearer to one edge than the other end of decreasing thickness on either side of this point. The joint piece is thus formed by a single compressing operation and each blank is then compressed further to form the blade, the joint piece, and the tongue in a single step, followed by cutting of the bevels.

Installation for the recovery of oxygen blown converter gases

Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor

A method for reforming high-temperature exhaust gas from a metallurgical furnace which comprises adding a reducing agent to the exhaust gas to reform the gas, wherein the addition of the reducing agent is initiated when the oxygen concentration of the exhaust gas reaches 1 vol% or below and the reforming reaction is completed when the temperature of the exhaust gas is 800°C or above; an apparatus for the process. The reducing agent is blown into the reforming system through a reducing agent blowing nozzle having a double pipe structure. Further, the invention provides a method for cooling exhaust gas from a metallurgical furnace, which comprises adding a reducing agent to high-temperature exhaust gas from a metallurgical furnace, causing endothermic reaction between the reducing agent and carbon dioxide contained in the exhaust gas, and cooling the exhaust gas itself by the endothermic reaction; and an apparatus for the process.

Patent FR2289614B2

Control system for converter process

1421148 Cleaning exhaust gases from steelmaking converter K BAUM [trading as VERFAHRENSTECHNIK DR ING KURT BAUM] 20 Dec 1972 [20 Dec 1971] 58872/72 Heading C7D [Also in Division F4] A steel making converter 10 comprises tuyeres 16 through which O 2 , N2, Air, Ar, and hydrocarbons can be blown in the hydrocarbon surrounding the O 2 blast, and a gas-collection unit comprising a water-cooled hood 27 and a movable skirt 28. The off-gases pass into a stack 40 and a Venturi scrubber 41, thence to a secondary Venturi scrubber 44, and then either through valve 54 or to a stack 51 and torch 52. The skirt 28 can be adjusted either to allow air to enter the hood 27 and react with the off-gases, or to seal the hood. The scrubbed off gases are monitored by a partial pressure sensor 68 (for O 2 ) and an infra-red sensor 69 (for CO, CO 2 , and H 2 O), and when the off-gases reach the desired calorific value they are directed through pipe 53 and valves 58 to storage. The sensor 68 also. monitors changes in combustion conditions and shuts down the skirt 28 when stoichiometric conditions are achieved. When the converter 10 is tilted, the gases are collected by auxilliary hood 66. Powdered materials, e.g. iron oxide, CaCO 3 , CaO, CaF2 may be introduced through the tuyeres from container 31.

SMOKE EXHAUST HOOD FOR TILTING CONVERTER BLOW STATION

Cette hotte sert à l'évacuation des gaz brûlés montant du convertisseur incliné pendant son chargement au moyen d'un récipient suspendu à un pont roulant. La hotte 5 selon l'invention recouvre totalement, en haut, le bec 3 du convertisseur 1 en position de chargement, en laissant suffisamment de place entre elle et le convertisseur pour le récipient de chargement 12, et elle présente au moins une découpe latérale obturale 20, dans laquelle peuvent entrer et d'où peuvent sortir des dispositifs de suspension (câbles 15) portés par le pont roulant 13 et guidant le récipient de chargement 12. This hood is used for the evacuation of the burnt gases rising from the inclined converter during its loading by means of a container suspended from an overhead crane. The hood 5 according to the invention completely covers, at the top, the spout 3 of the converter 1 in the loading position, leaving sufficient space between it and the converter for the loading container 12, and it has at least one obtural lateral cutout. 20, in which can enter and from which can exit suspension devices (cables 15) carried by the overhead crane 13 and guiding the loading container 12.

COOLING DEVICE FOR HOT GAS FLOWING IN PIPES

L'invention concerne un dispositif de refroidissement pour gaz chauds circulant dans des canalisations. Le dispositif de l'invention comprend des registres de refroidissement 10, 12, 14, 16 d'une construction << tube-sur-tube >> refroidie à la vapeur ou par un liquide et pénétrant dans la conduite d'évacuation des gaz brulés 8 transversalement au sens d'écoulement de ces derniers. Le dispositif de l'invention est utilisé en particulier pour le refroidissement des gaz brûlés chauds sortant des fours industriels. The invention relates to a cooling device for hot gases flowing in pipes. The device of the invention comprises cooling registers 10, 12, 14, 16 of a "tube-on-tube" construction cooled by vapor or by a liquid and entering the exhaust pipe for the burnt gases. 8 transversely to the direction of flow of the latter. The device of the invention is used in particular for cooling the hot burnt gases leaving industrial furnaces.

Patent FR2494719B2

SMOKE EVACUATOR COLLECTOR, ESPECIALLY OF A FOUNDRY INSTALLATION

Appareil destiné à recueillir et évacuer la fumée et les vapeurs sortant d'un four de fusion à induction. Ce four est suspendu à une plate-forme pivotant autour d'un axe proche d'un de ses bords extrêmes. L'appareil selon l'invention comporte une hotte ouverte par en bas, communiquant par en haut avec une cheminée près de laquelle elle peut pivoter autour d'un axe fixe et parallèle à celui autour duquel pivote la plate-forme. La hotte peut ainsi passer d'une position dans laquelle son orifice inférieur est en face du gueulard du four de fusion en position normale à une autre position dans laquelle il surplombe la région de déversement par le four du metal fondu lorsque la plate-forme le fait basculer. Application aux techniques de fonderie. Apparatus intended to collect and evacuate the smoke and vapors coming out of an induction melting furnace. This oven is suspended from a platform pivoting about an axis close to one of its extreme edges. The apparatus according to the invention comprises a hood open from below, communicating from above with a chimney near which it can pivot about a fixed axis parallel to that around which the platform pivots. The hood can thus pass from a position in which its lower orifice is in front of the mouth of the melting furnace in the normal position to another position in which it overhangs the region of discharge by the furnace of the molten metal when the platform does so. tipped over. Application to foundry techniques.

Installation for the dust removing of flue gases emitted by a mixer

Patent FR2164574B1

Method and apparatus for recovering off-gas from a converter

Patent FR2157705B1

Process for cooling and removing hot gases from pneumatic refining of cast irons, in particular using pure oxygen

Mobile skirt - for converter gas removal installations has a horizontal coolant supply and removal

The skirt has two circular tubular collectors, one supplying a coolant and the other removing it, situated in two horizontal planes and connected by an array of tubes of smaller dia. than the collectors. The tubes arranged in this way provide a simple circuit for the coolant thus preventing the build up of steam and avoiding overheating. Flow-control diaphragms are unnecessary since the coolant entrance and exit are diametrically opposed and the distance travelled by the coolant is always the same.

Oxygen lance steel converter - with pivoting mounting for lance and fume extractor hood

An oxygen steel converter incorporates a vertical lance and a hood mounted on a pivoting frame. The hood covers the mouth of the converter when the lance is blowing. It is connected through an elbowed duct to a chimney which carries away the fumes. When blowing is finished, and the lance retracted, the frame pivots about a vertical axis to one side of the converter, between it and the chimney. The hood and lance, carried at the free end of the frame, are moved away from the converter, leaving free access to the retort by overhead cranes etc. Retorts in A.O.

Metallurgical bonding process

Aspiration hood for decanting ladles

A hood for aspirating combustion gases during decanting molten pig iron is displaceable at the decanting pit and at two or more locations (ladle positions) to aspire the dust laden gas given off during decanting. When the hood is displaced, an aspiration pipe carried by the bogie carrying the hood is in communication with tubing connected with a dust removal installation. When the aspiration pipe connects with the tubing, other tube(s) leading to the gas scrubber are closed by covers also carried by the bogie acting simultaneously with the connection of the aspiration pipe and the tube. Each location (ladle position) is connected with decanting apparatus.

Process for cooling and removing hot gases from pneumatic refining of cast irons, in particular using pure oxygen

Comprehensive treatment system and method for recycling hazardous waste by adopting converter

本发明提出一种采用转炉的危废资源化综合处理系统及其处理方法，属于危废资源化处理领域。该处理系统包括：原料预处理装置、熔炼与铸造装置、与熔炼与铸造装置连接的烟气处理装置等。本发明提供的处理系统不仅能对危废原料进行高效地资源化综合处理，还能生产高附加值的铸造产品，同时对熔炼过程中产生的烟气中的有毒有害物质进行有效的脱除处理。本发明提供的处理系统及其处理方法在危废资源化处理领域具有十分广阔的应用前景。

Device for exploiting the heat of combustion gases produced in spurts in converters or retorts

INSTALLATION FOR HEATING OF GASES FROM INDUSTRIAL CUTTERS