Patents
Patents for C21B 7 - Blast furnaces (8,339)
03/1986
03/04/1986US4573668 Slag and hot metal runner systems
02/1986
02/26/1986EP0172789A2 Process for the sulfation of compounds containing a hydroxyethyl group
02/25/1986US4572487 Blast furnace tuyere with replaceable liner
02/25/1986US4572482 Fluid-cooled metallurgical tuyere
02/25/1986US4572269 Method of manufacturing cooling plates for use in metallurgical furnaces and a cooling plate
02/25/1986CA1201133A1 Resorcinol polymer bonded taphole mix and specialty materials
02/19/1986EP0171438A1 Method for regulating components of molten iron flowing from shaft furnace
02/18/1986US4570909 Lining apparatus provided with a foldable spray pipe
02/18/1986US4570900 Apparatus for actuating a proportioning valve
02/18/1986CA1200903A1 Method and apparatus for supervising charges in blast furnace
02/13/1986WO1986000978A1 Equipment for the remaking and repairing of high furnaces
02/12/1986EP0171253A2 Refractory cement
02/11/1986CA1200380A1 Apparatus for cooling metallurgical furnace wall
02/05/1986EP0170566A1 Method of heating the blast gas of a blast furnace with a plasma generator
01/1986
01/21/1986US4565525 Taphole construction of a shaft furnace
01/14/1986US4564143 Hot-blast nozzles, particularly for blast furnaces
12/1985
12/31/1985US4561639 Cooling plate for metallurgical furnaces
12/24/1985US4559839 Apparatus for driving an oscillating spout
12/18/1985EP0164878A2 Method of operating metallurgical furnace
12/17/1985US4559011 Cooling arrangement for shaft furnaces
12/11/1985EP0163973A1 Blast furnace tuyere with replaceable liner
12/10/1985US4557468 Apparatus for plugging the taphole of a shaft furnace
11/1985
11/26/1985CA1197289A1 Probe and a system for detecting wear of refractory wall
11/19/1985CA1196787A1 Method and apparatus for determining completion of a cast in a blast furnace cast house pollution suppression system
11/07/1985WO1985004904A1 Rod chucking device of tap hole opener for blast furnace
11/06/1985EP0160359A2 Tuyere pyrometer
11/05/1985US4551172 Process of producing liquid carbon-containing iron
10/1985
10/15/1985US4547116 Apparatus for controllably charging a furnace
10/08/1985CA1194695A1 Spout arrangement for a metal melt
10/01/1985US4544641 Refractory products formed by grains bound by carbon residues and metal silicon in powder form and process for the production thereof
10/01/1985US4544143 Taphole plugging apparatus for a shaft furnace
10/01/1985US4544138 Discharge of top gases from blast furnaces or the like
09/1985
09/24/1985CA1193982A1 Process for removing a nitrogen gas from mixture comprising n.sub.2 and co or n.sub.2, co.sub.2 and co
09/17/1985US4541572 Pulverizing, drying and transporting system for injecting a pulverized fuel into a blast furnace
09/10/1985CN85102640A A method and an equipment for temperature-controlled combustion of pulverized coal injected into blast furnace
09/10/1985CA1193291A1 Molten metal handling vessels
09/03/1985US4539188 Combustion in a fluidized bed, pollution control
08/1985
08/20/1985US4536152 High-velocity gas burners
08/15/1985WO1985003525A1 Device for removing impurities contained in melted iron flowing from shaft furnace
08/15/1985WO1985003524A1 Method for regulating components of molten iron flowing from shaft furnace
07/1985
07/24/1985EP0148983A1 Cooled tuyère for shaft furnaces
07/17/1985EP0148711A1 Tool for cleaning runner troughs
07/16/1985CA1190396A1 Support for a blast furnace probe
07/02/1985US4526536 Cooling apparatus for use in conjunction with a charging device for a shaft furnace
06/1985
06/26/1985EP0146457A2 Refractory compositions based om fusion-cast basic oxide grains, and refractory articles made from these compositions
06/25/1985US4525120 Method of and apparatus for controllably charging a furnace
06/19/1985EP0144696A2 Device for actuating an oscillating charging chute
06/19/1985EP0144578A1 Cooling panel for metallurgical furnaces, especially blast furnaces
06/12/1985EP0143971A1 Runner for a shaft furnace
06/05/1985EP0143695A1 Blast furnaces tap-hole area modification
05/1985
05/28/1985CA1187695A1 Cleaning apparatus for pressure equalizing pipes of shaft furnaces
05/23/1985WO1985002202A1 Improvements to high furnaces in the region of the tap-holes
05/22/1985EP0142399A1 Cooling panels for blast furnaces
05/21/1985CA1187529A1 Modular pivotal fluidic joint systems and components thereof
05/15/1985EP0141115A2 Device for determining the surface profile of a shaft furnace charge
05/07/1985US4515350 Simultaneous multi-point sounding apparatus
05/02/1985EP0139310A1 Process for obtaining molten carbon-containing iron from spongy iron
04/1985
04/30/1985US4514129 Furnace charging installation
04/24/1985EP0138412A2 Method of and apparatus for imaging surface of object at high temperature
04/23/1985US4512702 Installation for feeding a shaft furnace
04/16/1985US4510793 Method of monitoring the wear of a refractory lining of a metallurgical furnace wall
04/16/1985CA1185657A1 Process and apparatus for in-situ determination of the reducing value of gases generated above the load in industrial furnaces
04/09/1985US4509727 Off-gas monitor for steel processes
04/03/1985EP0135667A2 Method and apparatus for reducing the pressure in blast furnace charge hoppers to nearly atmospheric pressure by simultaneous top gas recovery
04/02/1985US4508323 Runner for molten metal
03/1985
03/27/1985EP0134918A1 Mechanism for actuating a dosage valve
03/20/1985EP0134772A1 Method for the registration of the topographic card of the charged mass in a shaft furnace
02/1985
02/27/1985EP0133585A2 Method for preparing fired refractory cement
02/19/1985CA1182645A1 Supersonic injection of oxygen in cupolas
02/05/1985US4497609 Method and device for continuous supply of lumps of material to a shaft
02/05/1985US4497379 Modular pivotal fluidic joint systems and components thereof
01/1985
01/15/1985US4493600 Furnace charging system
12/1984
12/19/1984EP0128432A2 Tap hole drilling machine for shaft furnaces
12/19/1984EP0128165A1 Refractory products consisting of grains bound by carbonaceous rests and powdery metal silicon, and manufacturing method thereof.
12/11/1984US4487400 For insertion in the lining of a furnace
11/1984
11/28/1984EP0126260A1 Compact swinging mechanism with a large swinging arc for a shaft furnace plugging gun
11/27/1984CA1178438A1 Plate-like cooling structure for blast furnace
11/20/1984CA1178084A1 Apparatus and method for detecting fouled cooling circuits in a blast furnace or the like
11/13/1984CA1177641A1 Apparatus for charging a shaft furnace
11/13/1984CA1177640A1 Water cooled refractory lined furnaces
11/06/1984US4480919 Method and system for determining shape in plane to be determined in atmosphere of scattering materials
10/1984
10/24/1984EP0122844A1 Blast furnace tapping apparatus by withdrawing the tapping bar
10/10/1984EP0121393A1 Method for quantitative discharge of molten material
10/09/1984US4476234 Heat, corrosion resistant lining for furnaces
10/09/1984US4475720 Casthouse emission control system
09/1984
09/19/1984EP0118931A1 Afterburning and cleaning proces of off-gases
09/18/1984US4471664 For a measuring probe
09/12/1984EP0118136A1 Method for the rearrangement of damaged cooling in a blast furnace
09/11/1984CA1174053A1 Method for estimating geographical distribution of cohesive zone in blast furnace
08/1984
08/28/1984US4468238 Process for removing a nitrogen gas from mixture comprising N2 and CO or N2 ' CO2 and CO
08/28/1984CA1173241A1 Process for actuating an oscillating spout in an enclosure under pressure, apparatus for the performance of this process and charging installation for a shaft furnace equipped with such an apparatus
08/28/1984CA1173240A1 Apparatus for controlling the movement of an oscillating spout, and charging installation for a shaft furnace equipped with such an apparatus
08/22/1984EP0116185A1 Apparatus and method for feeding pulverised coal into an air line to a blast furnace
08/22/1984EP0116142A1 Cooling device for a shaft furnace charging installation
08/21/1984CA1172848A1 Gas flow control method and apparatus for metallurgical vessels
08/14/1984US4465648 Method for repairing refractory wall of furnace
07/1984
07/31/1984CA1171651A1 Stave cooler
07/24/1984US4461142 Method of recovery of excess gas energy of blast furnace gas
07/17/1984US4460165 Removable hatch for blast furnace iron through hood
06/1984
06/26/1984US4456083 Blast furnace taphole drill
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