| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 12/09/1992 | CN1066886A Method of water spray wet addition and blowing for iron-smelting blast furnace |
| 12/02/1992 | EP0516613A1 Plant comprising a shaft, in particular a reduction shaft furnace |
| 12/02/1992 | CN2123534U Inner gear engagement sealed rotary joint device |
| 12/02/1992 | CN1066684A Installation for charging shaft furnace |
| 11/25/1992 | CN1066476A Low aluminium silico-aluminum alloy and prodn. technology thereof |
| 11/19/1992 | EP0513529A1 Shaft furnace charging apparatus |
| 11/16/1992 | CA2068499A1 Installation for charging a shaft furnace |
| 11/12/1992 | WO1992019776A1 Device for charging shaft furnace |
| 11/11/1992 | CN2121458U Blast furnace closed tap hole device with sliding gate |
| 11/11/1992 | CN1066086A Tornado generator and its effect field smelting method |
| 11/11/1992 | CN1019048B Device for controlling charge shoot of vertical furnace |
| 11/11/1992 | CN1019023B Installation for charging shaft furnace |
| 11/10/1992 | CA1310049C Cooling of molten media processes |
| 11/10/1992 | CA1309860C Gastight bottom construction for a shaft furnace |
| 11/03/1992 | CA1309582C Tuyere stock for blast furnaces |
| 10/29/1992 | WO1992018268A1 Trap trench |
| 10/27/1992 | US5158365 Sampling head of an alloy at least 90 per cent molybdenum; for taking gas samples and/or making temperature measurements in blast furnaces |
| 10/27/1992 | CA2067038A1 Method for botting the tap hole of a shaft furnace and botting machine for the implementation of this method |
| 10/27/1992 | CA1309262C Device for mounting a gripper for coupling a rod for piercing the taphole of a shaft furnace to a piercing machine |
| 10/21/1992 | CN1065492A Process for inserting boring rod into tap hole of shaft furnace, boring machine and bi-dierctional clamp |
| 10/14/1992 | CN2118736U Continuous type tuyere |
| 10/13/1992 | US5154756 Method and apparatus for preliminary treatment of molten hot metal |
| 10/07/1992 | EP0507128A2 Compensator locking device |
| 10/07/1992 | EP0507100A1 Process, taphole drilling machine and two-directional gripping devices for piercing a shaft furnace taphole |
| 10/07/1992 | CN1065098A Mew bituminous coal blowing technology of heavy blast furnace |
| 10/04/1992 | CA2064936A1 Method for inserting a drilling rod into the tap hole of a shaft furnace, drilling apparatus and two-way tongs |
| 09/29/1992 | US5150729 Control spear for use in a passage for conducting dust-containing hot gases |
| 09/17/1992 | WO1992015537A1 Mud for tap hole of blast furnace |
| 09/15/1992 | US5146796 Probe for taking gas samples and heat measurements above the charging surface of a shaft furnace |
| 09/09/1992 | CN2115341U Hot tube blast furnace tuyere device |
| 09/09/1992 | CN1064314A Transport method for concentrate phase coal spray in blast furnace |
| 09/08/1992 | CA1307332C Automatic tuyere puncher |
| 09/07/1992 | CA2037648A1 Iron runner |
| 09/02/1992 | EP0501045A1 Iron runner |
| 08/26/1992 | CN2113981U Disassembling device for changing blast furnace cooling plate |
| 08/25/1992 | CA1306606C Apparatus for charging a shaft furnace |
| 08/22/1992 | CA2055253A1 Dual bond taphole mix |
| 08/20/1992 | WO1992013974A1 Tuyere |
| 08/19/1992 | WO1992014980A1 Regulation of flowrate of liquid furnace products |
| 08/19/1992 | CA2101253A1 Regulation of flowrate of liquid furnace products |
| 08/12/1992 | EP0498187A1 Clay gun for a machine for plugging tapping holes in shaft furnaces |
| 08/06/1992 | WO1992013107A1 Blast pipe and tuyere arrangement |
| 07/31/1992 | CA2059810A1 Clay gun for shaft furnace taphole clay-placing machine |
| 07/22/1992 | CN2110788U Oxygen-powdered coal burner for tuyere of blast furnace |
| 07/22/1992 | CN1017551B Sealing shutter for shaft furnace |
| 07/21/1992 | US5131633 Apparatus for retrieving a slag sample during a steelmaking operation |
| 07/14/1992 | US5129631 Handling molten materials |
| 07/08/1992 | CN1062552A Burden-distributing appliance at throat of blast furnace |
| 07/07/1992 | US5127633 Apparatus for installing or removing shaft furnace tuyeres or tymps |
| 07/01/1992 | CN2108727U Distributing feeding leg lining board for non-bell blast furnace |
| 07/01/1992 | CN2108726U High efficient energy saving flow type tuyere |
| 07/01/1992 | CN1062379A Apparatus for enforced recovery of gas exhausted from top of blast furnace |
| 06/24/1992 | EP0491021A1 Device for rapidly repairing the headplate of a blast furnace. |
| 06/24/1992 | CN1017158B Device for reducing the stresses on sealing shutter |
| 06/24/1992 | CN1017157B Apparatus for interchanging tapping spout of shaft furnace |
| 06/23/1992 | US5123632 Method for the pneumatic injection of metered quantities of powdered substances into a chamber at a variable pressure |
| 06/23/1992 | CA1303850C Brick casting method of stave cooler |
| 06/17/1992 | CN2107471U Water seal device for material-free gear box of blast furnace |
| 06/17/1992 | CN1017083B Method and device of charging admixture into shaft furnace and cupola |
| 06/09/1992 | US5120028 Coring probe in particular for a blast furnace |
| 06/09/1992 | US5119743 Device for injecting preheated air into a shaft furnace |
| 06/03/1992 | EP0488433A1 Regulating needle for a duct transporting dust-containing hot gases |
| 06/03/1992 | EP0488318A2 Control method of and apparatus for material charging at top of blast furnace |
| 06/03/1992 | CN1061655A Device for injecting preheated air into shaft furnace and process for manufacturing ball-and -socket joints |
| 06/02/1992 | CA1302518C Plasma fired feed nozzle |
| 05/27/1992 | EP0487494A1 Plant for the production of molten metals |
| 05/27/1992 | CN1016797B Temp pick-up camera of material top surface in top of blast furnace |
| 05/21/1992 | CA2055817A1 Metallurgical furnace installation |
| 05/20/1992 | CA2055737A1 Plant for the production of molten metals |
| 05/14/1992 | WO1992008088A1 Distance measurement in furnaces |
| 05/13/1992 | EP0484720A1 Device for injecting preheated air into a shaft furnace and a process for producing convex parts of ball-and-socket joints for tuyere connections |
| 05/05/1992 | US5110096 One-piece tundish lining |
| 04/29/1992 | CN2102900U Open-close type pneumatic tripper |
| 04/29/1992 | CN1016462B Sealing bottom structure of vertical furnaces |
| 04/28/1992 | US5108192 Probe for taking gas samples and heat measurements in a shaft furnace |
| 04/28/1992 | CA1299363C Process for axial alignment of a parietal probe introduction assembly in a melting-reduction furnace and related introduction assembly |
| 04/15/1992 | EP0480216A1 Process for the treatment of wash water from gas scrubbers of an iron ore reduction plant |
| 04/01/1992 | EP0478322A1 Pyrometallurgical process for treating a feed material |
| 04/01/1992 | CN2100403U Tuyere of double-duct blast furnace or cupola furnace |
| 03/24/1992 | USRE33857 Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases |
| 03/18/1992 | EP0475009A1 Cooling panel for shaft furnace |
| 03/17/1992 | CA1297299C Method for operating shaft furnace |
| 03/11/1992 | CN2098507U Central coke-distributing unit for blast furnace |
| 03/10/1992 | US5094605 Flash removal device in a plant for production of mineral wool |
| 03/03/1992 | CA1296698C Mechanism for operating a metering valve |
| 03/03/1992 | CA1296697C Mechanism for operating a metering valve |
| 03/03/1992 | CA1296530C Process and device for the metered introduction of fine-grain solid substances into an industrial furnace, in particular a blast furnace or cupola furnace |
| 03/03/1992 | CA1296524C Slag retaining device with vortex inhibitor |
| 02/20/1992 | WO1992002644A1 Slag control apparatus and method |
| 02/20/1992 | DE4025415A1 Fully automatic computer-controlled de-slagging equipment - useful for de-slagging pig iron or steel in ladles |
| 02/18/1992 | US5088695 Iron runner |
| 02/12/1992 | CN2095868U Composite cooler for blast furnace with brick support |
| 02/05/1992 | CN1015378B Vent of blast furnace and method for making same |
| 01/30/1992 | DE4035896C1 Cooling box for blast furnace - comprising base and cover plates with side walls, and spacers to form long cooling channel |
| 01/30/1992 | DE4035894C1 Cooling box for blast furnaces with low mfr. cost - produced from cooling pipe preformed with number bends and explosively welded |
| 01/30/1992 | DE4035893C1 Cooling box for blast furnace - with groove for cooling medium in base, with cover attached by explosive welding to form closed channel |
| 01/22/1992 | CN1058049A Compositions and methods for sythesizing ladle slags treating ladle slags, and coating refractory linings |
| 01/15/1992 | CN2093181U Multi-room compound material blast furnace tuyere |
| 01/09/1992 | DE4030332A1 Process and plant for energy recovery from blast furnace gas - comprises pressure recovery turbine with generator and by=pass with gas compressor, combustion chamber with fuel enrichment |
| 01/08/1992 | EP0464419A2 Installation for mounting and dismantling of tuyere cooler castings of shaft furnaces |