Patents
Patents for C21B 7 - Blast furnaces (8,339)
09/1980
09/09/1980CA1085261A1 Pressure equalizing valves
09/09/1980CA1085191A1 Mechanism for guiding and positioning the working tool of taphole clay gun or drilling machine
09/03/1980EP0015049A1 Cooling element for furnaces and furnaces equipped therewith
09/02/1980US4220474 Amorphous refractory compositions
09/02/1980US4220321 Swiveling mechanism particularly for taphole plugging devices
09/02/1980US4220317 Method of opening tapholes in a phosphorus furnace
08/1980
08/26/1980US4219814 Scanning radar
08/26/1980US4218918 Device for sampling gases in blast furnace
08/26/1980CA1084265A1 Hot blast or hot gas valve
08/26/1980CA1084264A1 Pressure equalizing valves
08/20/1980EP0014626A1 Method and apparatus for continuously determining the level of the charge in a blast furnace
08/19/1980US4217954 Cooling plate for a furnace in a metallurgical plant
08/12/1980US4217132 Method for in-flight combustion of carbonaceous fuels
08/12/1980US4216946 Gate arrangement for counterpressure blast furnaces
08/12/1980US4216708 Fume containment
07/1980
07/29/1980US4214608 Apparatus for opening and closing a fluid conduit
07/15/1980US4212253 Support device for a blast downpipe of a blast-furnace
07/08/1980CA1081115A1 Annular-gap washer for a high-pressure blast furnace
07/01/1980US4210101 Heat exchange devices for cooling the wall and refractory of a blast furnace
06/1980
06/25/1980EP0012311A1 Apparatus for mounting a radar probe in shaft furnaces
06/25/1980EP0012310A1 Charging apparatus for a shaft furnace
06/25/1980EP0012266A1 Apparatus for changing tuyeres on a blast furnace
06/24/1980CA1079963A1 Slag tap
06/12/1980WO1980001201A1 Cooled furnace accessories
06/11/1980EP0012132A1 Metallic cooling devices for industrial furnaces
05/1980
05/15/1980WO1980001000A1 Cooling of surfaces adjacent molten metal
05/06/1980US4201373 Guiding and positioning mechanism for a plugging or drilling device
05/06/1980US4201372 Blast furnace tuyere
05/06/1980CA1077022A1 Cooling element for a metallurgical furnace
05/06/1980CA1076797A1 Metallurgical furnace
04/1980
04/30/1980EP0010535A1 Apparatus for sealing the taphole of a metallurgical vessel
04/30/1980EP0010106A1 Guide troughs for molten products
04/29/1980CA1076351A1 Metallurgical shaft furnace
04/22/1980CA1075931A1 Infra-red profilometer
04/15/1980CA1075592A1 Method and apparatus for handling dust separated from gases
04/08/1980US4197495 System for controlling the charge distribution and flow in blast furnace operations using magnetic sensors positioned within the charge
04/08/1980US4196893 Shaft furnace
04/08/1980US4196892 Apparatus for equalizing top gas pressure in a blast furnace
04/01/1980US4195825 Compact apparatus for drilling and plugging tap holes
03/1980
03/25/1980CA1074224A1 Furnace exhaust gas treatment process and apparatus
03/25/1980CA1074112A1 Clay gun for a shaft furnace
03/19/1980EP0009017A1 Shaft furnace, particularly a pressure operated blast furnace
03/11/1980US4192730 Carbonaceous luting paste and ambient temperature luting process
03/11/1980US4192489 Control system for an installation utilizing pressure energy of outgoing blast-furnace gas
03/11/1980US4192258 Cooling boxes for blast-furnaces
03/05/1980EP0008314A1 Cooled components for furnaces.
03/04/1980US4191410 Device for assembling in particular two sections of a blast downpipe of a blast furnace
02/1980
02/26/1980US4190074 Pressure equalization valve and technique for shaft furnace
02/26/1980CA1072656A1 Installation for controlling pressure of gas under shaft top in super-capacity blast furnace
02/26/1980CA1072326A1 Method of plugging tapholes in phosphorus furnaces
02/19/1980US4189130 Blast-furnace tuyere
02/05/1980CA1070943A1 Preshaped blast furnace hearth construction
01/1980
01/22/1980US4184323 Method and apparatus for recovering energy possessed by exhaust gas from blast furnace by turbine
01/15/1980US4183506 Protective device for turbine driven by exhaust gas from blast furnace
01/15/1980CA1069693A1 Mud gun having clamping device
01/01/1980US4181294 Cooling plates for a furnace
12/1979
12/25/1979US4180249 Installation for controlling pressure of gas under shaft top in super-capacity blast furnace
12/18/1979CA1068109A1 Furnace charge profile measuring process and apparatus
12/11/1979US4177976 Tuyere for a melting furnace
12/11/1979US4177974 Copper metal or alloy
11/1979
11/20/1979US4174970 Refractory composition
11/20/1979CA1066535A1 Radiation viewer for inspecting an enclosure
11/20/1979CA1066503A1 Continuous blast furnace gas analysis for supervision and regulation of the blast furnace operation
11/14/1979EP0005410A1 Cold forming carbonaceous paste; use and process for making linings with said paste
10/1979
10/30/1979CA1065136A1 Distribution spout of a shaft furnace charging installation
10/23/1979US4171798 Method and apparatus for obtaining and securing optimum thrust of blast fluid flowing into a metallurgical furnace
10/23/1979CA1064699A1 Supply of charge material to shaft furnaces
10/16/1979US4171276 Aqueous solution of alkylphenoxy polyethoxy ethanol and ethylene oxide-propylene oxide copolymer
10/16/1979CA1064255A1 Injection of liquid fuels into shaft furnaces
10/02/1979US4169723 Process of melting blast-furnace cast-iron
10/02/1979CA1063347A1 Apparatus for cleaning blast-furnace exhaust gases
09/1979
09/25/1979CA1062913A1 Clay guns
09/04/1979US4166433 Tuyeres with independent cooling circuits for nose and body portions
09/04/1979CA1061551A1 Automatic tapping machine
08/1979
08/28/1979CA1061108A1 Clay guns
08/23/1979WO1979000550A1 Guide troughs for molten products
08/21/1979CA1060647A1 Silencer for use on tuyere punchers
08/07/1979US4163364 Method for recovering energy possessed by exhaust gas from blast furnace
08/07/1979CA1059728A1 Process for manufacture of ferrosilicon nitride
07/1979
07/31/1979US4162784 Pressure equalization apparatus and method
07/24/1979US4162061 Cooling element for a metallurgical furnace
07/12/1979WO1979000431A1 Cooled components for furnaces
07/03/1979CA1057495A1 Charging device for shaft furnaces
06/1979
06/19/1979US4158562 Evaluating carbon content of off-gases
06/19/1979US4158367 Valve system and improved actuator therefor
06/12/1979US4157816 Shaft furnace cooling
06/12/1979US4157815 Furnace bottom construction with seal
05/1979
05/15/1979US4154175 Cooler for a shaft furnace
05/08/1979US4153140 Lubrication technique and apparatus
05/01/1979US4152123 Gas-cleaning apparatus and method for high-pressure blast furnace
04/1979
04/24/1979US4150818 Cooling element for a metallurgical furnace
04/18/1979EP0001528A1 Supporting device for the hot blast duct of a blast furnace
04/18/1979EP0001527A1 Device having as special application the connection between two sections of a blast furnace hot wind feed line
04/17/1979US4150078 Process for making refractory shapes
04/17/1979CA1052708A1 Tubular membrane apparatus on supports for the treatment of fluids
04/10/1979CA1052080A1 Method for constructing a blast furnace
04/03/1979CA1051659A1 Liquid-fuel atomization and injection device
03/1979
03/27/1979US4146213 Hot blast or hot gas valve
03/20/1979US4145193 Apparatus for cleaning stack gas and using same for generation of electric power
03/13/1979US4143867 Metallurgical vessel
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