Patents
Sitemap › F27 - Furnaces; Kilns; Ovens; Retorts › F27B - Furnaces, kilns, ovens, or retorts in general; Open sintering or like apparatus › F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces
Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383)
07/2003
07/09/2003CN2559950Y Electric smelting magnesia furnace
07/09/2003CN2559949Y Plasma ore-smelting furnace
07/03/2003US20030122290 Metallurgical furnace with scrap metal preheater and dispenser
07/02/2003EP1323980A1 Cooled crown
07/02/2003EP1114191A4 A direct smelting process
07/02/2003EP0671116B1 Electric melting device
07/02/2003CN1113211C Preheater for arc furnace
07/01/2003US6585929 Direct smelting vessel
07/01/2003US6585797 Recirculating molten metal supply system and method
06/2003
06/26/2003US20030118498 Atomizing, alloying powder in aqueous solution
06/25/2003EP1320633A1 A direct smelting process and apparatus
06/25/2003EP1114192A4 A process and an apparatus for producing metals and metal alloys
06/25/2003EP1112387A4 Direct smelting vessel and direct smelting process
06/24/2003US6582492 Reduction-melting methods capable of replacing the blast furnace in the production of molten pig iron
06/11/2003CN2555488Y Yellow phosphorus electric furnace
06/10/2003US6576039 Method and apparatus for metal pouring
06/05/2003US20030103546 Induction furnace
06/04/2003CN1422509A Process and apparatus for automatically controlling slag foaming
05/2003
05/28/2003EP1313993A1 Bottom structure for a smelting furnace
05/27/2003US6570906 ARC furnace with DC arc and AC joule heating
05/27/2003US6569223 Method of manufacturing molten metal iron
05/21/2003EP1312883A2 Device for closing a discharging hole of a metallurgical vessel for liquid steel, especially for an electric arc furnace
05/21/2003EP1218553A4 Purification hearth
05/21/2003CN1419646A Method for manufacturing a cooling element and a cooling element
05/21/2003CN1109231C Method for melting bath in electric arc furnace
05/20/2003US6565799 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace
05/20/2003US6565798 Method of relining a vessel
05/14/2003CN2550708Y AC plasma steel ladle refining furnace
05/14/2003CN2550707Y Low silicon high calcium large crystal electric smelting mangnesia furnace
05/13/2003US6563855 Water jacket of arc furnace
05/13/2003US6562287 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof
05/08/2003WO2003038361A1 Apparatus and method for vitrification of contaminated soil or waste
05/08/2003US20030086469 Apparatus to manipulate scrap in a scrap charger
05/07/2003CN2549413Y Water coal slurry combustor for downward combustion kiln
05/07/2003CN1416474A Appts. for producing steel
05/01/2003WO2003036210A1 Arrangement and method for tapping a molten phase from a smelting furnace
05/01/2003US20030080480 Apparatus for treating molten metal having a sealed treatment zone
05/01/2003CA2553147A1 Rotary hearth furnace and screw thereof for discharging reduced iron
04/2003
04/30/2003CN2548096Y A.C. plasma ore-smelting furnace
04/30/2003CN1107217C Modular spray cooled side-wall for electric arc furnaces
04/29/2003CA2261166C A metallurgical furnace unit
04/24/2003WO2003034791A1 Mounting arrangement for auxiliary burner or lance
04/24/2003WO2003033981A1 Replacement method and device for assembling and disassembling modules of an electric arc furnace
04/24/2003US20030075843 Multi-purpose, multi-oxy-fuel, power burner/injector/oxygen lance device
04/24/2003CA2462926A1 Replacement method and device for assembling and disassembling modules of an electric arc furnace
04/23/2003CN1413266A Device and method for controllable feeding gas to metallurgical vessel
04/23/2003CN1106564C Panelized spray-cooled furnace roof cover
04/22/2003US6553055 Charging material preheater with replaceable shaft wall portions
04/17/2003US20030070507 Supplying pre-reducing iron to a stationary non-tilting type melting furnace and melting the iron by arc heating mainly comprising radiation heating
04/16/2003EP1302738A2 Electric arc furnace with an exhaust manifold
04/16/2003CN1410553A Method and device for producing molten iron
04/15/2003US6549558 Melting and holding furnace for aluminum blocks
04/15/2003US6549557 AC arc furnace with auxiliary electromagnetic coil system for control of arc deflection
04/15/2003US6547848 Method for cooling the gas flow in a smelting furnace
04/10/2003WO2003029499A1 Arc furnace and method for operating this arc furnace
04/10/2003US20030066387 Method of melting a mixture of scrap metal using scrap rubber
04/10/2003US20030066314 Process and device for production of molten glass
04/10/2003CA2461568A1 Arc furnace and method for operating this arc furnace
04/09/2003EP1299692A1 Method and apparatus for measurement of a consumable electrode
04/09/2003CN2544237Y Coal slurry combustion energy-saving flame-reversing kiln
04/09/2003CN1409080A Metal smelting furnace and burden smelting method
04/09/2003CN1409079A Molten metal processing furnace
04/08/2003US6544471 Method and apparatus for producing high chromium content steels and/or ferroalloys in an electric arc converter
04/08/2003US6544470 Feeding device for electrical shaft furnaces with an electrode-receiving central tube
04/08/2003US6544314 Process and apparatus for automatically controlling slag foaming
04/03/2003WO2003026745A1 Method and apparatus for rendering polychlorinated biphenyl harmless
04/03/2003WO2002063927A3 Power control system for ac electric arc furnace
04/02/2003EP1298400A1 Electric arc furnace
04/02/2003EP1298224A1 Method and device for producing molten iron by means of arc heating with minimal refractory index
04/02/2003EP0898137B1 Metal melting method
04/02/2003CN2543009Y High-efficiency gas heating furnace
04/02/2003CN2543008Y Regenerative smelting holding furnace
04/01/2003CA2402827A1 Method and device for producing molten iron
03/2003
03/26/2003EP1295512A2 Induction furnace used in steelmaking
03/26/2003CN1406331A Cooling element and method for manufacturing cooling elements
03/25/2003US6538193 Thermophotovoltaic generator in high temperature industrial process
03/25/2003US6537342 Induction heater located at the bottom center line of the vessel, with the longitudinal access oriented perpendicular to the access of the vessel
03/25/2003CA2222750C Combined oxygen blowing/fuel burner lance assembly
03/20/2003WO2003023078A1 Molten metal pump and furnace for use therewith
03/20/2003WO2002079107A3 Method and device for fusion acceleration and improved process control
03/20/2003US20030053514 System and method for steel making
03/20/2003DE20215880U1 Furnace for melting and keeping warm metal shavings, has height adjustable stirring device mounted above chamber for receiving shavings
03/20/2003CA2459889A1 Molten metal pump and furnace for use therewith
03/13/2003WO2003022005A1 Arc furnace and method for converting waste
03/13/2003US20030048828 Arc furnance with dc arc and ac joule heating
03/13/2003US20030047850 Molten metal pump and furnace for use therewith
03/12/2003EP1291444A1 Method for observing inside of molten iron refining furnace and tuyere for observing inside of furnace
03/12/2003CN1103043C Cooling system for two assembly furnace lid of arc furnace
03/06/2003WO2003019096A1 Metallurgical oven and a material basket for a metallurgical oven
03/06/2003CA2456993A1 Metallurgical oven and a material basket for a metallurgical oven
03/05/2003EP1181841B1 Method of determining electrode length and bath level in an electric arc furnace
03/05/2003CN1401069A Means and method for heating
03/04/2003US6528011 Colloidal silica refractory system for an electric arc furnace
03/04/2003US6527826 Operation method of furnace equipment for magnesium alloys
02/2003
02/27/2003US20030039297 Concentric electrode DC arc systems and their use in processing waste materials
02/27/2003US20030039296 AC arc furnace with auxiliary electromagnetic coil system for control of arc deflection
02/27/2003US20030038164 Method for manufacturing a cooling element and a cooling element
02/27/2003US20030037714 Method for combustion treatment of combustible waste and apparatus therefor
02/26/2003EP1286123A1 Apparatus for melting metals and method for operating such an apparatus
02/26/2003EP1286114A2 Method for combustion treatment of combustible waste and apparatus used therefor
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