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)
12/1996
12/11/1996EP0747492A1 Method for melting ferrous metals by means of an electric arc furnace charged with ferrous materials containing energy-releasing substances
12/11/1996EP0746737A1 Charging device for arc furnaces
12/10/1996US5583883 Electric arc-furnace stabilization using voltage pulse injection
12/03/1996US5579705 Plasma furnace and a method of operating the same
11/1996
11/21/1996WO1996036580A1 Process for making fused-cast refractory products
11/20/1996EP0599895B1 Furnace with thermal insulation, and method of manufacture
11/13/1996CN2240131Y Car-type annealing furnace using chain grate
11/12/1996US5574746 Melting furnace for thermal treatment of special wastes containing heavy metals and/or dioxin
11/12/1996US5573573 Electric arc furnace arrangement for producing steel
11/07/1996WO1996034710A1 Method for measurement of amount of liquid metal in casting furnace
11/06/1996CN2239606Y Local fume exhaust cover for d.c electric arc furnace
11/06/1996CN1135030A Burner block and method for furnace
11/05/1996US5572544 Electric arc furnace post combustion method
10/1996
10/31/1996WO1996034244A1 Furnace plant
10/31/1996DE19529984C1 Arc oven base electrode
10/31/1996DE19529924C1 Arc furnace with simple arc spot displacement mechanism
10/30/1996EP0740121A1 A side-wall assembly for electric arc furnaces
10/30/1996EP0739989A1 Process for melting metal or non metal materials
10/23/1996CN1133967A Melting furnace having preheating vessel
10/22/1996US5568506 Constant voltage electro-slag remelting control
10/22/1996US5567378 Molten metal holding furnace and method of holding molten metal within the same
10/17/1996WO1996032616A1 Preheater for arc furnaces
10/17/1996WO1996032505A1 Iron smelting process and plant according to the multiple zone smelting process
10/17/1996CA2217896A1 Plant and process for the production of iron melts
10/10/1996WO1996031627A1 A method of producing metals and metal alloys
10/09/1996CN1133114A Bottom electrode for metallurgical vessel
10/08/1996US5563903 Aluminum melting with reduced dross formation
10/08/1996US5562753 Method and installation for producing molten steel from ferrous materials rich in carbonaceous materials
10/08/1996CA2107024C Secondary air nozzle for furnaces
10/02/1996EP0734458A1 Loading device for feeding liquid metal into an electric furnace
10/01/1996US5561685 Modular spray cooled side-wall for electric arc furnaces
10/01/1996US5560305 Burner block and method for furnace
09/1996
09/26/1996WO1996029442A1 Method and apparatus for heating vessels for molten metal baths
09/26/1996CA2217394A1 Method and apparatus for heating vessels for molten metal baths
09/25/1996EP0733300A1 Process and device for regulating the position of the tip of an electric furnace electrode
09/25/1996EP0733299A1 Submerged arc furnace with vertically movable frame
09/25/1996CN1131698A Method and device for operating double-cylinder arc furnace
09/19/1996WO1996028573A1 Method for producing steel in an electric arc furnace, and electric arc furnace therefor
09/19/1996CA2190163A1 Method for producing steel in an electric arc furnace, and electric arc furnace therefor
09/18/1996EP0732411A1 Vessel for a smelting plant
09/18/1996EP0731851A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method
09/18/1996CN1131197A D.C. electric-arc furnace
09/17/1996US5557631 Sonic furnace monitoring apparatus
09/12/1996WO1996027412A1 Feed processing employing dispersed molten droplets
09/10/1996US5555259 Process and device for melting down of scrap
09/03/1996CA2112177C Device for relief of thermal stress in spray cooled furnace elements
08/1996
08/21/1996CN2233553Y Top-burning batch-type kiln
08/15/1996WO1996024698A1 Direct arc furnace for smelting metals with burner in the electrode opening
08/15/1996WO1996024697A1 Apparatus for injecting gases or fluids in general and particulates, particularly for injecting oxygen, in furnaces for the production of steel
08/14/1996EP0726438A2 Device for a ring section furnace
08/14/1996EP0641393A4 Method for melting copper.
08/14/1996CN2233072Y High temp and strength roller combined kiln implements
08/11/1996CA2169228A1 Device for a ring section furnace
08/08/1996DE19521518C1 Method for improving energy delivery in a scrap charge
08/07/1996EP0725150A1 Oxygen blowing lance capable of being used in an electric and method for blowing oxygen onto metal by said oxygen blowing lance furnace
08/06/1996US5542361 Method for adjusting the supply of a reaction gas to be fed into a smelting furnace, and a multipurpose burner designed for realizing the same
07/1996
07/31/1996EP0723734A1 Bottom electrode for a metallurgical vessel
07/28/1996CA2168185A1 Trough airlock for refining furnace
07/25/1996WO1996022397A1 Apparatus and method for metal chip reclamation
07/24/1996EP0723130A1 Melt heating method
07/24/1996EP0723129A2 Melting method for an electric arc furnace with alternative sources of energy and relative electric arc furnace
07/24/1996CA2164926A1 Melt heating method
07/23/1996US5539183 Vertically fitted portable electric furnace
07/23/1996US5538420 Heat exchanger bake out process
07/23/1996US5538226 Pushing machine moveable on rail for operating into the slag hole of steel smelting electric furnaces
07/18/1996CA2167140A1 Melting method for an electric arc furnace with alternative sources of energy and relative electric arc furnace
07/17/1996CN1126820A Lower furnace cylinder of DC arc furnace
07/17/1996CN1126813A Plasma molting method and furnace
07/16/1996US5536114 Apparatus for vitrifcation of hazardous waste
07/09/1996US5535235 Melting furnace having preheating vessel
07/09/1996US5535234 Process for the simultaneous smelting of dust and incinerator slag
07/03/1996EP0719867A1 Ovenvessel for a DC arc furnace
07/03/1996EP0719402A1 Electric arc scrap furnace
07/02/1996US5533043 Installation for producing liquid metal by melting scrap iron
06/1996
06/27/1996WO1996019592A1 Tilting metallurgical unit comprising several vessels
06/27/1996DE4445783A1 Kippbares metallurgisches Aggregat Tiltable metallurgical unit
06/27/1996CA2208229A1 Tiltable metallurgical unit comprising a plurality of vessels
06/25/1996US5529598 Bottom anode for a metallurgical vessel
06/19/1996EP0717240A2 Burner block and method for furnace
06/19/1996EP0717115A1 Process and installation for running a twin-vessel arc furnace
06/18/1996US5528012 Apparatus and method for starting a plasma arc treatment system
06/12/1996EP0716153A1 Method and furnace for disposal of steel-making waste, and operating method of the furance
06/12/1996EP0528025B1 A continuous melting furnace for oxide mixtures using direct high frequency induction and having very short refining times and low power consumption
06/11/1996US5526374 Direct current electric arc furnace
06/11/1996US5525141 Separation of metallic and nonmetallic phase; purity
06/11/1996CA2039295C Furnace bottom structure of direct current electric furnace
06/06/1996WO1996017215A1 Non-oxidizing heating method and apparatus therefor
06/06/1996WO1996017092A1 Smelting installation with a current supply network with a relatively short-circuit rating
06/06/1996WO1996017091A1 Direct current arc furnace with two or more electrodes
06/06/1996CA2206579A1 Plant for producing metal melts
06/06/1996CA2206564A1 Direct current arc furnace
06/05/1996EP0714860A1 Method for preparing the residues from an apparatus for burning waste products and apparatus used therefor
06/04/1996US5524119 Tilting electric arc furnace
05/1996
05/30/1996WO1996016189A1 Process for melting metal or non metal materials
05/30/1996CA2181804A1 Process for melting metal or non metal materials
05/29/1996EP0714007A1 A cover assembly for a vessel such as an electric arc furnace
05/29/1996CN2228213Y Bottom-blowing gas supply element for electric arc furnace
05/28/1996CA2057177C Feedback control system for the impedance control of an electric arc furnace
05/26/1996CA2163847A1 Process for the treatment of solid residues from refuse incineration plants, and apparatus for applying the process
05/22/1996EP0713348A2 Multiple furnace controller
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