Patents
Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383)
09/1995
09/08/1995CA2184711A1 Charging device for arc furnaces
09/06/1995EP0670188A1 Process for the simultaneous melting of powdery materials and lump slags from refuse incinerating installations
09/06/1995CN2206936Y Multi-pipe bright continuous annealing furnace
08/1995
08/31/1995DE4406260A1 Operating a melting unit with two furnaces arranged side by side
08/30/1995CN1107573A Drop-in furnace lining
08/30/1995CN1029643C Power controlling method for arc furnace
08/22/1995US5444734 Device for lifting and moving the roof of a spray cooled furnace
08/22/1995US5444733 Electric arc furnace with alternative sources of energy and operating method for such electric furnace
08/22/1995US5443620 Method for oxidizing pulverous fuel with two gases having different oxygen contents
08/10/1995DE19502683A1 Floor anode formation for metallurgical vessel
08/09/1995EP0666328A1 Method and apparatus for non-polluting recuperation of aluminium from scrap
08/09/1995EP0666325A1 Direct curvent furnace for melting of metal
08/09/1995EP0665899A1 Process and device for melting scrap
08/02/1995EP0474883B1 Dc electric furnace for melting metal
08/02/1995CN2204407Y Alloy liquation furnace
08/01/1995US5438588 Direct current-electric arc furnace system
07/1995
07/25/1995US5436210 Method and apparatus for injection of a liquid waste into a molten bath
07/25/1995US5435526 Collecting pit
07/19/1995EP0663450A1 Method of producing iron melt
07/19/1995EP0663061A1 Pushing machine movable on rail for operating into the slag hole of steel smelting electric furnaces
07/13/1995DE19500404A1 Loading of materials into a metallurgical vessel
07/12/1995EP0448724B1 Melting apparatus of cutting scrap
07/05/1995EP0661506A1 Drop-in furnace lining
07/05/1995CN1104838A Apparatus for preheating and supplying scraps
07/05/1995CN1104837A DC arc furnace
07/05/1995CN1104836A DC ARC furnace
07/05/1995CN1104757A Electric arc furnace with alternative sources of energy and operating method for such electric furnace
06/1995
06/29/1995WO1995017528A1 A method of processing ferrous materials
06/29/1995DE4344036A1 Anode change with heat recovery during aluminium@ fusion electrolysis
06/28/1995CN2202287Y Solid kiln for drying and roasting
06/27/1995CA1336042C Method of charging chromium ores in a smelting reduction
06/24/1995CA2138001A1 Method and device for replacing anodes in a dry method aluminum electrolysis process involving heat recovery
06/22/1995WO1995016796A1 Loading device for feeding liquid metal into an electric furnace
06/22/1995CA2177058A1 Loading device for feeding liquid metal into an electric furnace
06/20/1995US5426664 For use as part of a wall or roof of an electric arc furnace
06/15/1995WO1995016336A1 Process and device for regulating the position of the tip of an electric furnace electrode
06/15/1995WO1995016335A1 Submerged arc furnace with vertically movable frame
06/14/1995EP0657710A1 Dc arc furnace
06/14/1995EP0657549A1 Process for producing an iron melt
06/14/1995DE4407861C1 Arc oven loading device
06/14/1995CN2200806Y Smoke dust collecting device of single-electrode D.C. arc furnace
06/13/1995US5425048 Heating apparatus for induction ladle and vacuum furnaces
06/11/1995CA2137766A1 Process for producing an iron melt
06/08/1995DE4341233A1 Charging vessel esp. for arc furnace designed for noise and vibration redn. during vessel filling
06/06/1995US5421856 Process to reduce dross in molten aluminum
05/1995
05/31/1995EP0655422A1 Method for making a melt for mineral fiber production
05/31/1995CN2199508Y Multifunctional integrated electric stove
05/17/1995EP0653901A2 Fastening elements for securing electrode joints
05/17/1995EP0653496A1 Process and apparatus for the recovery of valuable materials
05/17/1995EP0653147A1 On-site, biohazardous waste disposal system
05/16/1995US5415755 Fastening element for securing electrode joints and the electrode using such
05/16/1995US5414927 Furnace elements made from graphite sheets
05/16/1995CA2135830A1 Process and device for the extraction of valuable substances
05/10/1995EP0652295A1 Method and apparatus for non-polluting recuperation of aluminium from scrap
05/10/1995EP0652292A1 Direct current electric arc furnace
05/10/1995CN1102441A Steel plant equipment with closed tiltable arc furnace
05/03/1995EP0651591A2 Electrode system
05/03/1995EP0190313B2 Method and apparatus for continuous steelmaking
05/03/1995CN2196280Y Light weight brick sintering kiln
05/02/1995US5411240 Furnace for delivering a melt to a casting machine
04/1995
04/27/1995DE4336269A1 Feuerfeste keramische Masse und deren Verwendung Refractory ceramic mass and their use
04/26/1995EP0649477A1 Electric furnace for melting scrap iron
04/26/1995EP0514526B1 Facility for producing molten metal in an electric furnace
04/25/1995US5410566 Method of producing metal melts and an electric arc furnace therefor
04/25/1995US5410565 Furnace, in particular an electric furnace, for treating liquid metal
04/25/1995US5410564 Direct current electric furnace for melting metal
04/20/1995WO1995010929A1 Bottom electrode for a metallurgical vessel
04/19/1995EP0649270A1 Metallurgical vessel with a bottom electrode
04/19/1995CN1101712A DC source for use of arc furnace with pole and hearth
04/18/1995US5407462 Mass flow gravity feed method for charging metal-melting furnaces and apparatus therefor
04/16/1995CA2118103A1 Metallurgical vessel with bottom electrode
04/13/1995DE4432924A1 Method for melting scrap metal and electric arc furnace for carrying out the method
04/12/1995EP0647213A1 Use of a refractory ceramic compound for lining the floors of electric-arc furnaces and a method of repairing them
04/12/1995CN1101417A Process for roasting hollow or solid bricks in roller way kiln
04/12/1995CN1101332A Refractory used especially for inner lining of metallurgy container
04/11/1995US5406579 For a low pressure treating chamber
04/06/1995WO1995009518A1 Electric melting device
04/06/1995CA2150236A1 Electric melting device
04/05/1995EP0646758A1 Apparatus for preheating and supplying scraps
04/05/1995EP0646757A1 Dc arc furnace
04/05/1995EP0646654A1 Method and apparatus for treating mixtures of light metal
04/05/1995EP0646652A1 Steel plant containing a closed tiltable arc furnace
04/05/1995CN1028115C Electric furnace arrangement for producing steel
03/1995
03/31/1995WO1995009336A1 Electric arc fusion furnace
03/29/1995EP0645584A1 Plasma fusion furnace and method of its operation
03/28/1995US5401165 Regenerative furnace system with variable flue port control
03/28/1995CA2028215C Direct current electric arc furnace
03/22/1995CN2192859Y Low-suspension slewing dust eliminate collecting device for arc stove
03/22/1995CN1100515A Multi-chamber continuous annealing furnace
03/21/1995US5400358 Continuous scrap preheating
03/14/1995US5397110 Refractory brick and method of making and using same
03/08/1995EP0641393A1 Method for melting copper
03/08/1995CN1099805A Melting furnace with gas injection
03/07/1995US5395416 Regenerative glass melting furnace with reduced NOx emission
03/07/1995US5395405 Method for producing hydrocarbon gas from waste
03/07/1995US5395096 Drop-in furnace lining
02/1995
02/28/1995US5393037 Smelting unit with furnace rocking cradle
02/23/1995DE4428305A1 Process for preparing calcium carbide
02/22/1995EP0639750A1 Burner mounting device
02/21/1995US5392312 Method and device for regulating the combustion air flow rate of a flue rate gas collection device of a metallurgical reactor, corresponding collection device and metallurgical reactor
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