Patents for F27D 13 - Apparatus for preheating charges; Arrangements for preheating charges (1,413)
03/2001
03/13/2001US6201826 Loading system for electric arc furnaces
02/2001
02/13/2001US6186081 Process and apparatus for treating waste and sewage sludge
02/06/2001US6183246 Method of heating a continuously charged furnace particularly for steel-making products, and continuously charged heating furnace
02/01/2001DE19944825A1 Transport car for green brick drying stage comprises cassette frame with spaced removal brick setdown bars so frame sidewalls guide drying air up and along bricks.
01/2001
01/25/2001WO2001006021A1 Melting plant with burner heated furnace vessel and charge preheater
01/18/2001WO2001004559A1 Equipment and method for arc melting of cold pig iron source
01/17/2001CN1280629A Feeding device for shaft furnace
01/03/2001EP1065184A1 Plant for the production of cement clinker
12/2000
12/28/2000DE19929066A1 Anlage zur Herstellung von Zementklinker Plant for the production of cement clinker
12/20/2000EP1060275A1 Device for preheating charging stock, comprising replaceable stack wall sections
12/19/2000US6163561 Cooled basket for steel plants
12/14/2000WO2000075589A1 Pre-heating device
12/14/2000DE19926059A1 Vorwärmeinrichtung Preheater
12/05/2000US6157665 Method to load scrap for electric arc furnace and relative system
12/05/2000US6157664 System to load pre-heated scrap by means of baskets for electric arc furnace
12/05/2000US6155333 Continuous electric steelmaking with charge preheating, melting, refining and casting
11/2000
11/29/2000EP1055090A2 Charging device for low blast furnaces
11/08/2000CN2405174Y Equipment for preheating waste steel using flue gas from vertical kiln-electric furnace combination
11/01/2000CN2404085Y Internal regenerative chamber industrial furnace
10/2000
10/25/2000CN1271082A Multiple oxygen enrichment in kiln
10/24/2000US6136064 Supplying metal chips to charging tube, forming a column within tube extending through a box-shaped structure into a pool of molten metal; as chips at bottom of column melt, more are added to top, forcing bottom chips into molten metal
10/24/2000US6135766 Rotary hearth furnace and method of operating the same
10/17/2000US6132206 Water cooled finger for pre-heater of furnace top
10/03/2000US6126716 Iron-base scrap preheating apparatus and method
09/2000
09/28/2000WO2000056678A1 A line for clinker burning
09/27/2000CN2398600Y Reformed five-stage revolving-wine preheater
09/20/2000EP1037005A2 Oxygen enrichment of gases used in a clinker producing plant
09/20/2000EP1036204A1 Feeding device for electrical shaft furnaces with an electrode-receiving central tube
09/13/2000EP1034313A1 Device and process system for preheating steel scrap
08/2000
08/31/2000WO2000050648A1 Continuous charge preheating, melting, refining and casting
08/30/2000CN1265084A Method and appts. for producing cement clinker
08/15/2000US6102693 Preheating method in a continuous furnace
08/09/2000CN2390866Y Charging device of preheating device pipe in lime calcining system
08/08/2000US6099301 Feed apparatus for batch preparation feed mixture for feeding into smelting furnace
08/03/2000DE19846100C2 Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu DC arc furnace for producing steel and method therefor
07/2000
07/27/2000WO2000043554A1 Device for preheating scrap
07/27/2000DE19902438A1 Scrap preheating equipment, especially for the cold iron or steel scrap charge of an electric arc furnace, comprises a charging chamber positioned above a preheating chamber and has inlet and outlet openings operated as locks
07/19/2000CN2388579Y Steel-smelting alloy preheating device
07/19/2000CN2388211Y Sintered mixed material forced convection preheating device
07/06/2000WO2000039044A1 Cyclone heat exchanger
06/2000
06/21/2000EP0914474B1 Metal reduction and melting process
05/2000
05/17/2000EP1001237A1 Heating process of a continuous furnace, in particular for steel products and continuous furnace
05/10/2000CA2286967A1 Method of heating a continuously charged furnace particularly for steel-making products, and continuously charged heating furnace
05/04/2000WO2000025078A1 Melting/retaining furnace for aluminum ingot
04/2000
04/20/2000WO2000022176A1 A process and an apparatus for producing metals and metal alloys
04/13/2000WO2000020650A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor
04/13/2000DE19846100A1 Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu DC arc furnace for producing steel and method therefor
04/13/2000CA2346770A1 Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor
04/12/2000EP0991784A1 Loading system for electric arc furnaces
04/06/2000DE19900123A1 Processing apparatus of waste gas from smelter
02/2000
02/24/2000WO2000009962A1 Smelting unit with charge pre-heater
02/15/2000US6024912 Novel preheating apparatus and method for preheating a ferrous scrap mixture prior to feeding the scrap into a metallurgical furnace
02/09/2000CN1243941A Water cooling arm for pre-heater on top of furnace
01/2000
01/25/2000CA2126188C Method for continuously melting down scrap metal
01/12/2000EP0971193A1 Water cooled finger
01/12/2000EP0970339A1 Method to load scrap for electric arc furnace and relative system
01/12/2000EP0970338A1 System to load pre-heated scrap by means of baskets for electric arc furnace
01/12/2000EP0970255A1 Cooled basket for steel plants
01/11/2000US6012918 Method and apparatus for producing cement clinker
01/05/2000EP0969107A1 Process for producing molten pig iron or molten steel pre-products and hot briquetted iron
01/05/2000EP0969106A1 Rotary hearth furnace and its operating method
01/05/2000EP0671595B1 Electric arc fusion furnace with controlled oxygen blast
01/05/2000DE19927447A1 Plant pretreating granular or lump material prior to smelting in electric furnace
12/1999
12/07/1999US5997801 Metal chip reclamation system
11/1999
11/30/1999US5992041 Raining bed heat exchanger and method of use
11/24/1999EP0958481A1 Smelting installation with an electric-arc furnace
11/17/1999CN1046554C Iron smelting process and apparatus by multiple zone smelting process
11/04/1999WO1999041561A3 Charging device for low blast furnaces
11/03/1999EP0820528B1 Iron smelting process and plant according to the multiple zone smelting process
10/1999
10/06/1999CN1231000A Metal reduction and melting process
10/06/1999CN1045474C Process and apparatus for producing molten pig iron or molten steel preproducts, and sponge-iron hot pressing dough
09/1999
09/29/1999EP0944743A1 Batch preheater
09/21/1999CA2122948C Preheating device
09/08/1999CN1228154A Smelting installation with electric-arc furnace
09/08/1999CN1228127A Furnace charge preheater
08/1999
08/26/1999WO1999042625A1 Device for preheating charging stock, comprising replaceable stack wall sections
08/26/1999DE19807616A1 Beschickungseinrichtung für Niederschachtöfen Loading device for low shaft
08/26/1999DE19807590A1 Charge preheater for melting furnaces
08/25/1999EP0937957A2 Process and installation for the firing of powdery raw materialsoudre
08/19/1999WO1999041561A2 Charging device for low blast furnaces
08/19/1999CA2320184A1 Feeding device for low shaft furnaces
07/1999
07/28/1999CN1224064A Apparatus and process system for preheating of steel scrap for melting metallurgical furnaces with concurrent flow of scrap and heating gases
07/27/1999CA2173531C Controlled process for the heat treating of delubed material
07/06/1999US5919038 Method for the calcination of calcium carbonate bearing materials
06/1999
06/29/1999US5915959 Method and apparatus for preheating particulate material
06/29/1999CA2157390C Charge preheater
06/24/1999WO1999031450A2 Raining bed heat exchanger and methods of use
06/24/1999CA2314146A1 Raining bed heat exchanger and methods of use
06/17/1999WO1999029914A1 Feeding device for electrical shaft furnaces with an electrode-receiving central tube
06/17/1999DE19755890A1 Beschickungseinrichtung für Schachtöfen Feeder for blast furnaces
06/17/1999CA2312360A1 Feeding device for electrical shaft furnaces with an electrode-receiving central tube
06/10/1999WO1999028513A1 Device and process system for preheating steel scrap
05/1999
05/12/1999EP0914474A1 Metal reduction and melting process
05/05/1999CN1216102A Metal melting apparatus and method therefor
04/1999
04/27/1999US5898726 Preheater for arc furnaces
04/20/1999CA2178763C Ingot preheater and transfer for magnesium melt system
04/20/1999CA2178762C Electrically heated metal melt cell
04/08/1999WO1999016914A1 Rotary hearth furnace and its operating method
04/08/1999WO1999016728A1 Device for preheating charge materials
03/1999
03/30/1999US5889810 Apparatus for preheating and melting of scrap and process for the same
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