Patents
Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383)
06/2002
06/12/2002EP1213364A2 Method of smelting metal scrap such as aluminium using an oxygen-fuel burner
06/12/2002EP1080236B1 Variably insertable combined lance with displaceable burner and blower lance bodies
06/12/2002EP0970339B1 Method to load scrap for electric arc furnace and relative system
06/12/2002CN1353806A Method and device for operating electric arc furnaces and/or resistance furnaces
06/12/2002CN1353805A Method and device for emptying metallurgic melting vessels by tipping
06/12/2002CN1353771A Equipment for even feed of pulverous materials to concentrate burner of suspension smelting furnace
06/12/2002CN1353770A Discharge channel for melting furnaces and pouring ladles
06/11/2002US6404800 Charging material preheater with replaceable shaft wall portions
06/11/2002US6404799 Water-cooling panel for furnace wall and furnace cover of arc furnace
06/11/2002US6402805 Method for an improved energy input into a scrap bulk
06/05/2002CN1352738A Method for cooljing the gas flow in a smelting furnace
06/04/2002US6400748 Method for operating an electric arc furnace to build up and maintain foamed slag
06/04/2002US6400747 Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace
06/04/2002US6399016 Direct smelting plant
06/04/2002US6398842 Apparatus for injecting solid particulate material into a vessel
06/04/2002US6398546 Combustion in a porous wall furnace
05/2002
05/22/2002CN1350629A Multichambered stellmaking apparatus and method of steelmaking using this apparatus
05/21/2002US6393043 Tiltable arc furnace
05/16/2002WO2002039044A2 Melting furnace for metal leagues fit to the direct and continuous poured of the melted metal
05/16/2002WO2002039043A1 Method for controlling the temperature of components in high temperature reactors
05/16/2002DE4341233C2 Chargiergefäß zum Beschicken eines metallurgischen Schmelzaggregates Charging vessel for loading a metallurgical smelting unit
05/15/2002EP1204769A1 Device and method for spraying natural gas and/or oxygen
05/14/2002US6389054 Scrap charger
05/10/2002WO2002037044A1 Cooling element
05/10/2002CA2361901A1 Metallurgical furnace with scrap metal preheater and dispenser
05/09/2002US20020053306 Shredder dust feeding facilities and reverberatory furnace provided with this feeding facilities
05/08/2002EP1203912A1 Electric resistance type melting furnace
05/08/2002EP1082467B1 Method for operating an electric arc furnace to build up and maintain foamed slag
05/08/2002EP1062469B1 Cooled roof for electric arc furnaces or ladle furnaces
05/02/2002WO2002034693A1 Fire-resistant substance and method for producing a fire-resistant lining
05/02/2002EP1200788A1 Method for cooling the gas flow in a smelting furnace
05/02/2002EP1019211B1 Method of fluxless melting of magnesium
05/02/2002DE10052352A1 Feuerfeste Masse und Verfahren zur Erstellung einer feuerfesten Auskleidung Refractory mass and method for creating a refractory lining
05/02/2002DE10049959A1 Elektroofen für die Stahlherstellung Electric furnace for steel production
05/01/2002CN1083890C Smelting furnace
04/2002
04/25/2002WO2002033339A1 Improvements in and relating to furnaces and methods of melting
04/25/2002WO2002033130A1 Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel
04/25/2002CA2436793A1 Improvements in and relating to furnaces and methods of melting
04/24/2002EP1198690A1 Pre-heating device
04/24/2002CN2488026Y Aluminium casting holding furnace
04/23/2002US6377605 Electrode seal for arc furnace
04/23/2002US6377604 Current-conducting arm for an electric arc furnace
04/23/2002US6377602 Method and device to feed premixed gas to tuyeres of electric arc furnaces
04/18/2002WO2001099473A3 Induction furnace
04/17/2002EP1197719A1 Electric arc furnace for steelmaking
04/17/2002EP1196728A1 Method and device for emptying metallurgic melting vessels by tipping
04/17/2002CN1345409A Metallurgical vessel comprising tapping device and method for controlled, slag-free extraction of mol ten metal from said vessel
04/11/2002US20020040623 Process and apparatus for automatically controlling slag foaming
04/10/2002CN1082652C Melting furnace having preheating vessel
04/10/2002CN1082548C 用于生产金属熔体的设备及方法 The production of metal melt apparatus and method for
04/09/2002US6368550 Variably insertable combined lance with displaceable burner and blower lance bodies
04/04/2002WO2002028084A2 Digital electrode observation
04/03/2002EP1192286A2 Process for manufacturing molten metal iron
04/03/2002EP1036204B1 Feeding device for electrical shaft furnaces with an electrode-receiving central tube
03/2002
03/28/2002WO2002024963A1 A direct smelting process and apparatus
03/27/2002CN2483680Y Movable sectional kiln
03/27/2002CN1081785C Scrap conveyor
03/20/2002EP1188022A1 Improved mass fuel combustion system
03/20/2002EP1187942A1 Method for producing melt iron
03/13/2002CN1339687A Heating furnace with double burning chamber for forging
03/13/2002CN1339686A Method and its device for feeding raw materials to movable hearth furnace
03/13/2002CN1080867C Multifunctional industrial microwave energy heating reaction system
03/07/2002WO2001071267A3 Method for manufacturing a cooling element and a cooling element
03/06/2002EP1183914A1 Melting vessels provided with a cooled bottom electrode
03/06/2002EP1183398A1 Discharge channel for melting furnaces and pouring ladles
03/06/2002EP1183397A1 Method and device for tapping molten metal from metallurgical vessels
03/06/2002CN2480791Y Oil free lubrication device for clamp wheel of platform vehicle of agglutination machine
02/2002
02/27/2002EP1181841A1 Method of determining electrode length and bath level in an electric arc furnace
02/27/2002EP1181492A1 Electric arc furnace for continuous charging
02/27/2002EP1181491A1 Metallurgical vessel comprising a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel
02/27/2002EP1181489A1 Method and device for operating electric arc furnaces and/or resistance furnaces
02/27/2002CN2479459Y Burdening device for silicon-carbide smelting furnace
02/27/2002CN2479458Y Electric dust-removing device for flue gas from open-type acetylene furnace
02/26/2002US6350293 Bottom pour electroslag refining systems and methods
02/26/2002US6350118 Combustion assembly for a furnace and method of use
02/21/2002WO2002014765A1 Bottom structure for a smelting furnace
02/21/2002US20020022208 Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace
02/21/2002CA2418325A1 Bottom structure for a smelting furnace
02/16/2002CA2340271A1 Shredder dust feeding facilities and reverberatory furnace provided with this feeding facilities
02/13/2002EP1179601A1 Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace
02/13/2002EP0958481B1 Smelting installation with an electric-arc furnace
02/13/2002CN1335925A Method and device for melting rare earth magnet scrap and primary molten alloy of rare earth magnet
02/12/2002US6347110 Charging device for low blast furnaces
02/06/2002EP1178121A2 Fluid cooled coherent jet lance
02/06/2002CN2475983Y Electric arc producer furnace with nanometre carbon tube
01/2002
01/31/2002WO2002008471A1 A direct smelting process and apparatus
01/31/2002CA2411789A1 A direct smelting process and apparatus
01/30/2002CN2474974Y Steelmaking vertical type electric arc furnace water cooled equipment
01/30/2002CN2474973Y Steel melting electric arc furnace tube type water cooled copper furnace wall
01/30/2002CN2474972Y Hot coal gas burning reflecting kiln
01/24/2002US20020009118 Apparatus for arc-melting cold iron source and method threof
01/24/2002DE10034370A1 Verfahren zum Verschließen oder Öffnen des Abstichloches eines metallurgischen Gefäßes, insbesondere eines Elektrolichtbogenofens und zugehöriger Bodenabstich A method for closing or opening the taphole of a metallurgical vessel, in particular of an electric arc furnace and associated bottom taphole
01/23/2002EP1174004A2 Method and device for supplying an electric arc melting furnace with current
01/23/2002CN2473577Y Refining furnace of silicon carbide
01/22/2002CA2044838C Process and system for melting a charge in a furnace
01/17/2002US20020005083 Process for the production of metal melts
01/16/2002EP1172162A1 Method for closing or opening a discharging opening of a metallurgical vessel, especially for an electric arc furnace and corresponding tapping hole
01/10/2002WO2002002827A1 Lance
01/10/2002WO2001073136A3 Process for manufacturing molten metal iron
01/09/2002EP1170385A2 Device for applying injection lances or burners to the side walls of electric furnaces for steelmaking
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