Patents
Patents for F27B 3 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces (6,383)
05/1996
05/15/1996DE19509801A1 Furnace exhaust gas heat recovery
05/15/1996CN1122442A Burden preheating furnace for electric furnace
05/08/1996CN1122180A Furnace equipment
04/1996
04/30/1996US5513207 Melting furnace and method
04/30/1996US5513206 Apparatus for preheating and charging scrap materials
04/30/1996CA2002728C Method of melting materials and apparatus therefor
04/24/1996CN2225651Y Industrial heating furnace of burning shaped coal
04/24/1996CN1121358A Method and apparatus for producing iron
04/23/1996CA2095768C Apparatus for opening and closing a taphole of a metallurgical furnace
04/23/1996CA2065423C D.c. arc furnace
04/17/1996EP0557518B1 D.c. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace
04/17/1996EP0538278B1 Reclamation of metal from scrap
04/17/1996CN1120663A High precision metering instrument for liquid tank
04/17/1996CN1120653A Electric arc furnace post combustion method
04/10/1996CN2224385Y Water-spraying quantity self-control valve for arc furnace electrode spraying device
04/09/1996US5505435 Slag control method and apparatus
04/04/1996WO1996010097A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method
04/04/1996CA2176835A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method
03/1996
03/29/1996CA2133131A1 Process and apparatus for the treatment of light metals
03/28/1996WO1996009511A1 Apparatus and method for the supply of molten metal
03/21/1996WO1996008584A1 Process and device for making liquid iron by non-electric and electric smelting
03/21/1996DE4434369A1 Verfahren und Vorrichtung zur Durchführung von metallurgischen Arbeiten von Eisenmetall Method and apparatus for carrying out metallurgical operations of iron metal
03/19/1996US5500870 Process and device for the extraction of valuable substances
03/19/1996US5500033 Melt heating method
03/19/1996US5499798 In a metallurgical vessel
03/12/1996US5499264 Steel making plant
03/10/1996WO1996030709A1 Method and apparatus for preheating and melting scrap
03/07/1996WO1996006954A1 Method and apparatus for electric steelmaking
03/07/1996DE19517151C1 Melting metal scrap in electric arc furnace of good operational effectiveness and durability
03/06/1996EP0699885A1 Furnace vessel for a direct current arc furnace
02/1996
02/28/1996EP0587651B1 D.c. arc furnace
02/28/1996CN2221193Y Split heating stove
02/27/1996US5494267 Pumpable casting composition and method of use
02/20/1996US5492309 Closed tiltable steelworks arc furnace with associated scrap charging assembly
02/20/1996CA2035542C Tuyere injector
02/14/1996EP0696879A2 Plasma melting method and plasma melting furnace
02/07/1996EP0695280A1 Device for processing and vitrifying waste
02/06/1996US5490163 Method of operation of a D.C. electric-arc furnace with bottom electrode and refractory part for its implementation
02/01/1996DE4426780A1 Crystalliser for vacuum smelting furnace
01/1996
01/30/1996CA2028083C Apparatus and method for making mineral wool from coal-ash
01/25/1996WO1996001967A1 Furnace combustion assembly and method therefor
01/24/1996EP0693561A1 Electric arc furnace post-combustion method
01/24/1996CN2218354Y Resistance monitor of iron alloy ores furnace
01/23/1996US5487081 Process and apparatus for the treatment of the waste gases of an arc furnace
01/23/1996US5485986 Furnace with in situ foamed insulation and process for its manufacture
01/18/1996DE4424324A1 Method for melting down scrap containing plastics
01/17/1996CN1115199A Electric melting device
01/11/1996WO1996001033A1 A vertically lifted portable electric furnace
01/11/1996WO1996000877A1 Electric arc scrap furnace
01/11/1996WO1996000799A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace
01/11/1996DE4424009A1 Base electrode for a DC arc furnace has improved abrasion resistance, electrical conductivity and optimal cooling in the base plate region
01/11/1996DE4420450A1 Coolable lining for high temp. waste gasification reactor
01/11/1996CA2193863A1 A vertically lifted portable electric furnace
01/11/1996CA2193472A1 Method and device for directly feeding liquid metal from a ladle into an electric furnace
01/10/1996EP0691068A1 Furnace equipment
01/04/1996WO1996000489A1 Method and furnace for making a molten product
01/04/1996DE19504415A1 Furnace for heating metal melt
01/04/1996CA2192068A1 Method and furnace for making a molten product
01/03/1996CN2216670Y Modular electric-arc furnace bell
01/02/1996CA1337849C Melting retort and method of melting materials
01/02/1996CA1337848C Process for treating liquid metals
12/1995
12/26/1995US5479435 DC arc furnace
12/26/1995US5479433 For melting an object
12/20/1995CN2215708Y Air furnace for bearing expansion by heating
12/13/1995EP0686204A1 Method and apparatus for producing iron
12/12/1995CA2067054C Heater arrangement for aluminum refining systems
12/06/1995EP0685000A1 Method and apparatus for slag free casting
12/05/1995US5472173 Slag control method and apparatus
11/1995
11/30/1995WO1995032025A1 Apparatus and method for vitrification of hazardous waste
11/29/1995CN1112793A Pushing machine movable on rail for operating into the slag hole of steel smelting electric furnaces
11/28/1995US5471495 Electric arc furnace arrangement for producing steel
11/22/1995CN1030335C Double chamber furnace for matte melting compartment smelting
11/16/1995WO1995030778A1 Scrap metal gravity feed method and apparatus
11/15/1995EP0580693B1 Trap trench
11/15/1995CN1111679A Method and apparatus for pre-processing mixture
11/14/1995US5467366 Electrode system
11/14/1995US5467365 Evolution of SO2, reduction of lead oxide slag with carbon
11/14/1995US5466275 Method and apparatus for desulphurizing iron with minimal slag formation
11/08/1995CN1111287A Method and apparatus for recovery of valuable substance
11/02/1995EP0544786B1 Treatment of oxide-containing dusts
10/1995
10/31/1995US5462259 Tilting device for a D.C. arc furnace and process for emptying the furnace
10/25/1995CN1110783A Hot-treatment heating equipment with both vacuum and air layers for heat insulation
10/12/1995WO1995027084A1 Base electrode of a dc-heated metallurgical vessel
10/11/1995EP0675776A1 Slag control system
10/05/1995WO1995026253A1 Apparatus and method for starting a plasma arc treatment system
10/05/1995DE4411591A1 Bodenelektrode eines mit Gleichstrom beheizten metallurgischen Gefäßes Bottom electrode of a heated with direct current metallurgical vessel
10/05/1995CA2186391A1 Apparatus and method for starting a plasma arc treatment system
10/04/1995CN1109694A Electric arc fusion furnace
10/04/1995CN1109690A Method for melting scrap iron in an electric furnace and equipment for applying this method
09/1995
09/27/1995EP0673442A1 Flow control device for the suppression of vortices
09/27/1995CN2208694Y Semi-fluid furnace for producing activated charcoal by phosphoric acid method
09/27/1995CN2208693Y Charring furnace for asphalt dipped fire-resistant brick
09/27/1995CN1109160A Method of operation of A D.C. electric-arc furnace with bottom electrode and refractory part for its implementation
09/21/1995DE4409145A1 Electric arc furnace plant for residue melting
09/20/1995EP0672881A1 Melting furnace having preheating vessel
09/20/1995CN1108757A Direct current electric furnace for melting metal
09/19/1995US5451035 Metallurgical furnace for production of liquid steel
09/13/1995EP0671595A1 Electric arc fusion furnace
09/13/1995EP0671116A1 Electric melting device
09/08/1995WO1995023947A1 Charging device for arc furnaces
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