Patents
Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707)
05/1980
05/01/1980WO1980000797A1 Process and equipment for dust removing and absorption of harmful gases issuing from incinerators and hot air ovens
04/1980
04/29/1980US4200265 Furnace for the melting and refining of copper
04/29/1980CA1076351A1 Metallurgical shaft furnace
04/16/1980EP0010047A1 Process for treating waste gases of the iron and steel industry
04/08/1980US4196893 Shaft furnace
04/08/1980CA1075011A1 Method and means for remelting scrap iron, iron sponge, pellets or the like
04/02/1980EP0009456A1 Apparatus for the heat exchange between solid particles and a gas current
04/02/1980EP0009455A1 Apparatus for the heat exchange between solid particles and a gas current
04/01/1980CA1074567A1 Method of continuously melting down scrap, iron sponge or the like
03/1980
03/19/1980EP0008667A1 Furnace for the thermal treatment of granular or fine sized material
03/11/1980US4192962 Method and apparatus for regenerating used activated carbon
03/04/1980US4191529 Furnace for heating solids
02/1980
02/26/1980CA1072326A1 Method of plugging tapholes in phosphorus furnaces
02/20/1980EP0007977A1 Process for burning particulate solids and ring shaft kilns for its realization
02/19/1980CA1071864A1 Shaft furnace with bottom discharge device
02/12/1980US4188184 Continuous processes and equipment for treatment of solid substances
12/1979
12/11/1979US4178151 Apparatus for monitoring the feeding of particulate materials to a packed bed furnace
11/1979
11/13/1979CA1066148A1 Apparatus for radiant heat transfer
11/13/1979CA1066019A1 Collector apparatus for gaseous reaction products
10/1979
10/30/1979CA1065136A1 Distribution spout of a shaft furnace charging installation
10/23/1979CA1064699A1 Supply of charge material to shaft furnaces
10/23/1979CA1064698A1 Process and apparatus for calcining limestone
10/03/1979EP0004509A2 Refractory compositions for use in the production of injectable pastes having a low water content
09/1979
09/25/1979CA1063135A1 Weigher permitting load cell replacement during operation
09/04/1979CA1061550A2 Cupola furnace waste gas recuperative system and method for operating same
08/1979
08/28/1979US4165964 Vertical direct fired strip heating furnaces
08/07/1979CA1059759A1 Cupola furnace waste gas recuperative system and method for operating same
07/1979
07/17/1979US4161390 Calcining kettle having multi-pass heating system
07/17/1979CA1058628A1 Iminocarbonylphosphonate brush control agents
07/10/1979US4160663 Method for the direct reduction of iron ore
06/1979
06/12/1979US4157815 Furnace bottom construction with seal
05/1979
05/16/1979EP0001814A2 Process and apparatus for calcining materials with very diverse grain sizes, more in particular limestone
04/1979
04/10/1979CA1052094A1 Device for melting-down scrap, sponge-iron, or the like
03/1979
03/20/1979CA1050755A1 Apparatus for producing steel
03/06/1979CA1049776A1 Mobile refractory gunning device
02/1979
02/27/1979US4141154 Method for the cooling of a shaft furnace for the calcining of lime, dolomite or magnesite
02/21/1979EP0000739A1 Process and apparatus for making cement in a fluidized bed
02/20/1979US4140480 Hot cupola gas burner
02/20/1979US4140302 Jet impingement cooling device
02/06/1979CA1047765A1 Control of vertical heat treating vessels
01/1979
01/30/1979CA1047392A1 Gas treating apparatus
12/1978
12/12/1978US4129742 Plasma arc vertical shaft furnace
12/12/1978US4129289 Shaft furnace with bottom discharge device
12/05/1978US4128231 Indirectly fired vertical shaft furnace
12/05/1978CA1043575A1 Method and device for melting metals
12/05/1978CA1043574A1 Method and apparatus for producing iron from oxidic iron ores
12/05/1978CA1043563A1 Method and arrangement for increasing the blast temperature for a shaft furnace
10/1978
10/03/1978US4118017 Shaft furnace design
10/03/1978CA1039505A1 Descending bed of sub-divided solid material
10/03/1978CA1039502A1 Process and apparatus for preheating solid particulate materials
09/1978
09/26/1978US4116345 Charging apparatus for shaft furnaces and method
09/19/1978US4114862 Heat exchangers warmed by flue gases
08/1978
08/22/1978CA1036813A1 Apparatus for the production of metals by a smelting metallurgical process
06/1978
06/27/1978US4097225 Process and apparatus for calcining limestone
06/27/1978US4097028 Method of melting and apparatus therefor
06/27/1978US4096640 Method and apparatus for thermal treatment of or for matter-exchange with pourable material
06/20/1978US4095804 Sealing means for high temperature, high pressure, cylindrical furnaces
06/13/1978US4094629 Vertical kiln apparatus
05/1978
05/23/1978US4090870 Continuous smelting and refining of cement copper
04/1978
04/11/1978US4083715 Iron-scale deposit, protective coating
03/1978
03/14/1978CA1027762A1 Method and apparatus for the reduction of iron ore
03/07/1978US4077338 Shaft furnace for pyrolysis of refuse with bed support structure
02/1978
02/21/1978US4074835 Furnace charger with discharge channel having approximate oval cross-section
02/07/1978US4072502 Method apparatus for increasing blast gas temperature in a shaft furnace
01/1978
01/10/1978US4067452 Charging apparatus for receptacle
12/1977
12/27/1977US4065250 Method of independently adjusting the fuel mixture composition and melting rate of multiburner shaft furnaces for melting metals
11/1977
11/01/1977US4056262 Cupola furnace to enable continuous smelting and refining of cement copper and method therefor
09/1977
09/27/1977US4050683 Smelting plant and method
09/20/1977US4049900 Continuous graphitizing furnace with a vertical displacement of the charge
09/06/1977US4046086 Treatment of waste material containing alkali metals in a controlled atmosphere furnace
08/1977
08/30/1977US4045212 Method of operation of a cupola
08/09/1977US4040530 Shaft furnace feed device
07/1977
07/19/1977US4036753 Burning combustible-thermal decomposition gas substoichiometricallyion
07/19/1977US4036479 Cupola furnace
07/05/1977US4033562 Furnace for melting solid ferrous pieces
07/05/1977US4033561 Cooling plates for blast furnaces
06/1977
06/21/1977US4031309 Arrangement for producing steel
06/21/1977US4031183 Process for calcining limestone
06/21/1977US4030709 Method of plugging tapholes in phosphorus furnaces
06/14/1977US4029220 Distributor means for charging particulate material into receptacles
05/1977
05/24/1977US4025296 Device for thermically treating granular and/or lumpy materials
05/24/1977US4025293 Process and apparatus for firing and sintering of granular material
05/17/1977US4023832 Apparatus for the transmission of heated fluid
04/1977
04/26/1977US4019895 Method of reducing ore using a plasma burner
04/26/1977US4019466 Apparatus for radiant heat transfer
03/1977
03/01/1977US4009871 Metallurgical furnace
03/01/1977US4009870 Metallurgical shaft furnace
02/1977
02/01/1977US4005857 Means for withdrawing sponge iron from retorts
01/1977
01/25/1977US4004790 Plate-type radiator suitable for shaft furnaces, particularly for blast furnaces, and a method for fabrication of this radiator
01/25/1977US4004647 Load cell arrangement
01/11/1977US4002421 Control of vertical heat treating vessels
01/04/1977US4001008 Method and apparatus for the reduction of ores, especially iron ores
01/04/1977US4000885 Cupola furnace waste gas recuperative system and method for operating same
12/1976
12/07/1976US3996044 Electro-pyrolytic upright shaft type solid refuse disposal and conversion process
11/1976
11/09/1976US3990886 Method of using cupola emission control system
09/1976
09/28/1976US3983309 Primary electrode arrangement for high temperature melting furnace
08/1976
08/24/1976US3976829 Collector apparatus for gaseous reaction products
08/03/1976US3972518 Cupola emission control system
07/1976
07/20/1976US3970290 Arrangement for feeding
05/1976
05/25/1976US3958919 Method at melting in a shaft furnace
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