Patents
Patents for C21B 7 - Blast furnaces (8,339)
03/1979
03/13/1979US4143777 Blast furnace charging device
03/13/1979CA1050265A1 Apparatus for injection of hot reducing gas into a shaft
03/06/1979US4142556 Refractory lining tuyere for metallurgical furnace
03/06/1979CA1049925A1 Method of and apparatus for cleaning stack gas using same for generation of electric power
02/1979
02/27/1979CA1049258A1 Method of detecting abnormal conditions of blast furnaces
02/20/1979US4140302 Jet impingement cooling device
02/20/1979CA1048780A1 Apparatus for plugging holes in a metallurgical furnace
02/13/1979US4139673 Surface-coated blast furnace tuyere made of copper or copper alloy and method of surface-coating the same
02/13/1979US4139183 Corrosion resistance
02/06/1979US4138098 Method of blowing smelting shaft furnaces and tuyeres used for said blowing
02/06/1979US4138022 Furnace top charging apparatus
01/1979
01/30/1979US4136790 Charging apparatus with removable bell
01/23/1979US4136050 Dust suppression method and composition
01/23/1979US4135705 Taphole sealing apparatus
01/16/1979CA1046249A1 Method for constructing a runner for metal melting furnace
01/09/1979US4133655 Scrubber for blast furnace gas
12/1978
12/05/1978CA1043563A1 Method and arrangement for increasing the blast temperature for a shaft furnace
11/1978
11/28/1978US4127259 Apparatus for controlling the injection of oil into a blast furnace
11/14/1978CA1042208A1 Adjustably positionable supersonic nozzle means
11/07/1978US4124409 Pneumatic bulk material removal apparatus and method
10/1978
10/31/1978US4123707 Magnetic field sensor housed in a cooling device for sensing the charge in a shaft furnace or the like
10/24/1978US4122392 System of detecting a change in the charge put in a metallurgical furnace or the like
10/24/1978US4121809 Cooling plate for shaft furnaces
10/17/1978US4120488 Stamping apparatus for applying lining material to iron runners
10/17/1978CA1040578A2 Distributor
10/10/1978US4120014 Dividing timer
10/10/1978CA1040109A1 Filter screen with acoustic pressure wave transducer
10/03/1978US4118780 Technique for monitoring flow rate differences in water cooling conduit
10/03/1978US4117868 Refractory lined cylindrical article
09/1978
09/26/1978US4116421 Method of sealing tapholes in a phosphorus furnace
09/26/1978US4116345 Charging apparatus for shaft furnaces and method
09/19/1978US4114865 Silencer for use on tuyere punchers
09/19/1978CA1038917A1 Method and device for continuous control and regulation of the thermal parameters in metallurgical ovens
09/12/1978US4113501 Temporary sealant of a nozzle opening of sliding nozzle
09/12/1978US4112763 Inspecting the interior of an enclosure
09/12/1978CA1038162A1 Cooling box for metallurgical furnace
08/1978
08/29/1978US4110617 Infra-red profilometer
08/01/1978US4104075 Refractories, batch for making the same and method for making the same
07/1978
07/25/1978US4102694 With bituminous binder and oil, curing
07/04/1978US4098122 Temperature probes
06/1978
06/27/1978US4097033 Drilling machine for blast furnace tapholes
06/13/1978US4094494 Furnace charge profile measuring process and apparatus
06/06/1978US4093434 Gas-scrubber apparatus for blast furnace
05/1978
05/16/1978US4090179 System for monitoring flow rate difference in water cooling conduit
05/02/1978US4087084 Apparatus for changing blast furnace tuyeres
05/02/1978US4087083 Manipulator
04/1978
04/04/1978US4082718 Blast furnace, refractories, phenolic novolak resin binder
04/04/1978US4082253 Blast furnace pressure equalizing apparatus
02/1978
02/21/1978US4074835 Furnace charger with discharge channel having approximate oval cross-section
02/21/1978US4074816 Charge metering apparatus for shaft furnaces
02/07/1978US4072531 Plugging compositions for blast furnace tap holes
02/07/1978US4072250 Apparatus for plugging holes in an electric smelting furnace or the like
02/07/1978US4072006 Chemical reaction furnace system
01/1978
01/31/1978US4071230 Contrivance for the protection of the walls of a shaft furnace from the heat effect of metallurgical process
01/31/1978US4071166 Blast furnace charging method and apparatus
01/24/1978US4069660 Chemical reaction furnace system
01/17/1978US4068895 Demolition machine for delining a furnace
01/10/1978US4067557 System for changing over of blast furnace top pressure control
01/10/1978US4067452 Charging apparatus for receptacle
01/03/1978US4066553 Apparatus with supported tubular membranes for the treatment of fluids
12/1977
12/27/1977US4065004 Method and apparatus for resealing the large bell rod in a double bell charging system for a blast furnace
12/27/1977US4064616 Method for constructing a blast furnace
12/20/1977US4063722 Ejector piston
12/06/1977US4061317 Blast furnace bottom cooling arrangement
12/06/1977US4061036 Device for the extraction of gaseous samples and for thermal measurement above the burden of a shaft furnace
11/1977
11/22/1977US4059252 Slag tap
11/15/1977US4058300 Clay gun
11/08/1977US4057234 Taphole boring or plugging machine for shaft furnaces, especially blast furnaces
10/1977
10/25/1977US4055331 Method of cleaning stack gas and using same for generation of electric power
10/18/1977US4054060 Device for sampling furnace gases
10/04/1977US4052042 Apparatus for cleaning blast-furnace exhaust gases
09/1977
09/27/1977US4050679 Method and apparatus for controlling the furnace top gas pressure of blast furnaces
09/27/1977US4050592 Charging apparatus for shaft furnaces
09/20/1977US4049502 Method of and apparatus for distilling of liquids
09/13/1977US4047514 Furnace taphole drilling bit
08/1977
08/30/1977US4044612 Probe for obtaining gas samples from a shaft furnace
08/23/1977US4043542 Tuyeres for a blast furnace
08/23/1977US4043541 Blast furnace tuyere
08/16/1977US4042130 Charging device for shaft furnace
08/09/1977US4040817 Method for the reduction of iron ores in a shaft furnace, especially in a blast furnace with oil injection
08/09/1977US4040789 Measuring nitrogen concentration
08/09/1977US4040530 Shaft furnace feed device
08/02/1977US4039172 Outlet trough for a molten product
07/1977
07/26/1977US4037828 Automatic tapping machine
07/26/1977US4037335 Method of controlling a mobile suction device for sucking suspendible material from the bottom of a liquid body, and an apparatus for carrying out the method
07/19/1977US4036483 Blast-furnace lining arrangement
07/05/1977US4033565 Mud gun having clamping device
07/05/1977US4033561 Cooling plates for blast furnaces
07/05/1977US4033463 Work-facilitating apparatus for lining converters, metallurgical furnaces, holding vessels and like equipment
06/1977
06/28/1977US4032024 Apparatus for distribution of charge material in shaft furnaces, particularly high pressure blast furnaces
06/21/1977US4030709 Method of plugging tapholes in phosphorus furnaces
06/14/1977US4029220 Distributor means for charging particulate material into receptacles
06/14/1977US4029053 Cooling box for metallurgical furnace
06/07/1977US4028453 Batch mill extrusion, firing into a ceramic
06/07/1977US4027654 Damper assembly for high temperature or corrosive gases
06/07/1977US4027605 Improved tuyere feed device
05/1977
05/31/1977US4026427 Charging apparatus for receptacles
05/31/1977US4026352 Device for evaporative cooling of metallurgical units
05/24/1977US4024903 Evaporative cooling method by natural circulation of cooling water
05/24/1977US4024764 Method and apparatus for measuring product surface temperature in a spray cooling chamber
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