| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 12/27/1989 | CN2050042U Sloping base type hydraulic low clay gun |
| 12/26/1989 | US4889008 Apparatus for driving an oscillating spout |
| 12/26/1989 | US4889004 Apparatus for driving an oscillating spout |
| 12/20/1989 | EP0346615A1 Apparatus for blowing preheated air into a shaft furnace |
| 12/19/1989 | US4887800 Tuyere of blast furnace |
| 11/29/1989 | CN1037541A Control method for lowering temp. of blast-furnace gas |
| 11/28/1989 | CA1263231A1 Charging installation for a shaft furnace |
| 11/22/1989 | CN2048068U Cavity blast tuyere of slugging galvanic couple |
| 11/21/1989 | US4881869 Furnace charging throat construction |
| 11/14/1989 | US4880211 Method and apparatus for relining a refractory lined vessel |
| 11/07/1989 | US4878797 Method and apparatus for correcting the falling path in a loading installation of a shaft furnace |
| 11/07/1989 | US4878655 Furnace charging throat construction |
| 10/31/1989 | US4877221 Expandable tap hole plug |
| 10/25/1989 | EP0338174A1 Resin-bonded taphole mix |
| 10/24/1989 | US4875662 Method and apparatus for relining blast furnace |
| 10/18/1989 | EP0337271A1 Cooling plate for a shaft furnace |
| 10/18/1989 | CN1036410A Method and equipment for water cooling and water seal of feed distributor of the blast furnace |
| 10/18/1989 | CN1036409A Multi-ring loading chute and method of controlling feed distribution |
| 10/11/1989 | EP0336087A1 Process and installation for the treatment of a flow of gas containing pyrophoric dust |
| 10/11/1989 | CN1036227A Tuyere for reducing low temp. dull region between blast furnace shaft and tuyere and application thereof |
| 09/21/1989 | WO1989008811A1 Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus |
| 09/12/1989 | US4865298 Tuyere stock for blast furnaces |
| 08/30/1989 | CN1035134A Charging and distributing device at the top of a blast furnace |
| 08/29/1989 | US4860422 Rebuilding of the stack, bosh and hearth of a blast furnace using a remote controlled refractory gunning device |
| 08/23/1989 | CN1034958A Assembling and disassembling device for bell-less charge-distributing chute on furnace top |
| 08/22/1989 | US4859131 Supporting framework for a loading installation of a shaft furnace |
| 08/22/1989 | US4858892 Device for determining the charge profile in a shaft furnace |
| 08/16/1989 | EP0327833A1 Process and apparatus for opening the tap hole of a furnace |
| 08/15/1989 | US4857106 Computer controller heating |
| 08/10/1989 | WO1989007156A1 Measurement of blast furnace raceway parameters |
| 08/08/1989 | US4854946 Method for treating blast furnace gas and apparatus for carrying out that method |
| 08/08/1989 | CA1258179A1 Method of producing a mixed gas and a plant therefor |
| 08/01/1989 | US4852859 Gastight bottom construction for a shaft furnace |
| 07/26/1989 | CN2041689U Rotating multiple channel top-blown blast furnace distributing device |
| 07/26/1989 | CN2041688U Separating type high temperature smelting furnace for silicon iron |
| 07/12/1989 | EP0226576B1 Equipment for the remaking and repairing of high furnaces |
| 07/05/1989 | CN1004705B Device for injecting divided solid materials in a furnace such as a smelting blast furnace, and applications |
| 06/27/1989 | US4842253 Method and device for monitoring combustion in furnace |
| 06/15/1989 | WO1989005360A1 Method and apparatus for preliminary treatment of hot metal |
| 06/14/1989 | CN2039311U Tap-hole opening and sealing unit for ore-smelting furnace |
| 06/07/1989 | EP0319068A1 Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace |
| 06/06/1989 | US4836509 Support and introduction bench for an elongated rectilinear probe, and probe adapted to same |
| 05/31/1989 | CN2038600U Distributor for jetling coal dust into blast |
| 05/23/1989 | CA1254600A1 Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure |
| 05/16/1989 | US4829836 Plug for probe nose, method for probing inside a blast furnace with a probe equipped with such a plug and device for carrying out said method |
| 05/09/1989 | US4828228 Apparatus for changing the level of tap runner of a shaft furnace |
| 05/03/1989 | EP0313620A1 Monitoring of objects in an optically dense atmosphere |
| 05/03/1989 | DE3743745C1 Method for constructing a shaft furnace, and shaft furnace |
| 04/18/1989 | US4822229 Installation for charging a shaft furnace |
| 04/18/1989 | US4821998 Mechanism for operating a metering valve |
| 04/11/1989 | US4820105 Apparatus for charging a shaft furnace |
| 04/04/1989 | US4817293 Method for axial alignment of an assembly for implanting a parietal probe in a reducing-smelting furnace, and associated implanting assembly |
| 03/28/1989 | US4815696 Mechanism for operating a metering valve |
| 03/22/1989 | CN2034584U Blast furnace with appliance for distributing burden |
| 03/15/1989 | CN1031667A Apparatus for separately pouring molten metal and metallurgical slag from mixture of molten metal metallurgical slag |
| 03/14/1989 | US4812100 Rolling track for a rotary hopper |
| 03/14/1989 | US4812092 Feed hopper for a loading installation of a shaft furnace |
| 03/09/1989 | WO1989002051A1 A method to generate an oxidizing flame, a burner and a use for a burner |
| 03/09/1989 | DE3729092A1 Method and apparatus for the dust-free ventilation of workers on suspended or working platforms |
| 02/28/1989 | CA1250427A1 Method of operating a metallurgical furnace and a metallurgical furnace apparatus |
| 02/22/1989 | EP0303656A1 Tuyere stock for blast furnaces. |
| 02/16/1989 | DE3825100A1 Vorrichtung zum oeffnen des abstichloches eines schachtofens Apparatus for opening the taphole of a shaft furnace |
| 02/16/1989 | DE3729915C1 Water-cooled tuyère for blast furnaces and hot-blast cupola furnaces |
| 02/08/1989 | CN1030941A Apparatus for recovering high temperature blast furnace gas |
| 02/01/1989 | EP0301577A2 Apparatus for recovering high temperature blast furnace gas |
| 02/01/1989 | CN2031796U Charging and distributing device for top of iron-smelting blast furnace |
| 01/25/1989 | EP0300064A1 Blast furnace hearth |
| 01/24/1989 | EP0229048A4 Gas burner. |
| 01/12/1989 | DE3721642A1 Binders and plasticisers for carbon-containing ceramic compositions |
| 01/10/1989 | US4796869 Suspension and anchorage device for a rail-mounted movable plugging machine for metallurgical furnaces |
| 01/10/1989 | US4796665 Multi-purpose draining valve |
| 01/04/1989 | EP0298074A2 Plant for separately casting metallurgical slag and metal melt from a metal-melt/metallurgical-slag mixture |
| 01/04/1989 | EP0298004A1 Sample core for a blast furnace |
| 01/04/1989 | CN1030095A Pouring refractories for tapping spout of blast furnace |
| 12/28/1988 | EP0296188A1 Process and device for introducing additives into a cupola or shaft furnace. |
| 12/27/1988 | US4793595 Method and apparatus for relining blast furnace |
| 12/21/1988 | CN88102917A Shock-wave controlling constant input-air tuyere |
| 12/20/1988 | US4792578 Mixture of refractory grog and phenolic resin |
| 12/07/1988 | EP0293600A1 Process for preparing an oxide-carbon based refractory |
| 12/06/1988 | US4788917 Shaft furnace bypass system |
| 11/29/1988 | US4787605 Coolable furnace wall structure |
| 11/29/1988 | CA1245442A1 Device for regulating the feed of hot air in tuyere stock of shaft furnace and tuyere stock equipped therewith |
| 11/23/1988 | EP0291757A1 Apparatus for determining the burden profile in a shaft furnace |
| 11/22/1988 | US4786250 Installation for evacuating emanations in the taphole region of shaft furnaces |
| 11/17/1988 | WO1988009109A1 Plasma fired feed nozzle |
| 11/03/1988 | WO1988008546A1 Monitoring of objects in an optically dense atmosphere |
| 11/02/1988 | CN87216283U Weighing device for charging top stock tank without bell valve in blast furnace |
| 11/01/1988 | US4781357 Tap plug apparatus |
| 10/25/1988 | US4780137 A process for producing a mixed gas |
| 10/25/1988 | CA1243489A1 Process and installation for the continuous control of blast-furnaces |
| 10/11/1988 | US4776884 Eddy current detector |
| 10/11/1988 | CA1242877A1 Device for determining the profile of the charging surface of a shaft furnace |
| 10/06/1988 | DE3809533A1 Verfahren und vorrichtung zum kuehlen einer beschickungsanlage eines schachtofens Method and apparatus for cooling a charging system of a shaft furnace |
| 10/05/1988 | CN88101562A Feed hopper for loading installation of shaft furnace |
| 10/05/1988 | CN88101378A Technique for producing charcoal by using rice busk or sawdust |
| 10/05/1988 | CN88101377A Process and apparatus for cooling loading installation of shaft furnace |
| 10/05/1988 | CN88101376A Apparatus for controlling hydraulic jacks fixed to slewing hopper |
| 10/05/1988 | CN88101375A Roller-track device for rotary hopper |
| 10/05/1988 | CN88101374A Method and apparatus for correction of falling passageway of charging installation of shaft furnace |
| 10/05/1988 | CN87214698U Pottery and porcelain combined cooling wall |