| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 10/01/1997 | CN1036016C Tapping method of blast furnace |
| 09/10/1997 | EP0794160A1 Process for producing refractory powder from used contact masses resulting from the production of silanes and refractory products obtained therefrom |
| 09/10/1997 | CN1158900A Choke detecting method and equipment for coal jetting branch of blast furnace |
| 09/02/1997 | US5662823 Impact pad |
| 08/27/1997 | EP0791661A2 Tophole drill apparatus |
| 08/27/1997 | CN1157855A Material distributing device for oscillating chute type blast furnace without furnace top bell |
| 08/13/1997 | CN2259407Y Blast furnace top distributing device |
| 08/13/1997 | CN2259406Y Blast furnace coal-spraying gun locating tube check valve |
| 07/31/1997 | WO1997027335A1 Ladle brick leveling set |
| 07/31/1997 | CA2242106A1 Ladle brick leveling set |
| 07/30/1997 | EP0786527A1 Method of lining a blast furnace |
| 07/23/1997 | CN2258169Y Hydraulic forced lowering bell arrangement |
| 07/22/1997 | US5650119 Cooling plate for a blast furnance |
| 07/15/1997 | US5647888 Process for producing metals and metal alloys in a smelt reduction vessel |
| 07/08/1997 | US5645791 Charge preheater |
| 05/15/1997 | WO1997017473A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 05/15/1997 | DE19542368A1 Nozzle of tap-hole plugging machine |
| 05/14/1997 | EP0420851B1 Measurement of blast furnace raceway parameters |
| 05/14/1997 | CN1149890A Loading device having rotating chute for melting furnace |
| 05/13/1997 | US5628940 On a surface without forms, by mixing dry material with water, hydraulically pumping wet thixotropic mix through hose to nozzle, adding air and setting agent at nozzle, spraying end mix of diminished thixotropy, immediate setting |
| 05/07/1997 | EP0771880A1 Distribution chute for bell-less charging installations |
| 05/07/1997 | CN1149320A Rotary body suspension device |
| 04/16/1997 | EP0767765A1 SiC MOULDED BODY |
| 04/16/1997 | EP0624204B1 Machine for forming the taphole of a tank furnace |
| 04/16/1997 | CN1147556A Nonmetallic water-free cooling air vent (sleeve) |
| 04/03/1997 | WO1997012064A1 A method for the determination of the gas flux distribution in a blast furnace |
| 04/02/1997 | EP0765404A1 Rotary body suspension device |
| 04/01/1997 | US5616166 Tapping method for blast furnace |
| 03/26/1997 | EP0764220A1 Loading device having a rotating chute for a melting furnace |
| 03/19/1997 | CN2249755Y Sealing valve mechanism of top of blast furnace |
| 03/12/1997 | CN2249249Y Through-type star feeding machine |
| 03/12/1997 | CN1144848A Whole-dry type dust removing device and method for blast furnace gas |
| 03/11/1997 | CA2053146C Process for the treatment of wash water from the gas washing system of an iron ore reduction plant |
| 03/05/1997 | EP0760395A1 Installation for the liquid metal transportation in the casthouse of a shaft furnace and process for handling this installation |
| 03/05/1997 | EP0741853A4 Internal refractory cooler |
| 03/01/1997 | CA2182246A1 Device for the transport of molten metal in the casting bay of a blast furnace and a method to operate this device |
| 02/25/1997 | CA2069859C Plant comprising a shaft |
| 02/19/1997 | CN2247665Y Coal gas pipe joint for blast furnace top |
| 02/12/1997 | CN1142540A Comprehensive production system of tunnel two-body substitute blast furnace |
| 02/05/1997 | CN1142262A Internal refractory cooler |
| 02/05/1997 | CN1142249A Apparatus for melting fine particles containing carbon and method thereof |
| 02/04/1997 | CA2101132C Mgo-c brick containing a novel graphite |
| 01/29/1997 | CN1141654A Device for distributing a loose material |
| 01/29/1997 | CN1141422A Multi-stage cyclone generator |
| 01/28/1997 | US5597528 Impact pad |
| 01/15/1997 | CN1033821C Machine for piercing taphole for shaft furnace |
| 12/18/1996 | EP0748392A1 Apparatus for melting fine particles containing carbon and method for melting such fine particles using the apparatus |
| 12/11/1996 | CN2242249Y integrated cooling device for casting steel |
| 12/11/1996 | CN2242248Y Double layer hot air blast furnace |
| 12/05/1996 | DE19622292A1 High purity calcium carbonate recovery |
| 12/04/1996 | CN1137295A Furnace spraying repair device |
| 11/28/1996 | DE19540504C1 Distributor chute, for bell-less blast furnace charger |
| 11/27/1996 | CN2241150Y Adjustable distributor |
| 11/20/1996 | EP0742840A1 Device for distributing a loose material |
| 11/19/1996 | US5576254 Linings |
| 11/13/1996 | EP0741853A1 Internal refractory cooler |
| 11/13/1996 | CN1135773A Device for loading a shaft furnace |
| 11/06/1996 | EP0741190A1 Cooling plates for shaft furnaces |
| 11/06/1996 | EP0567513B1 Blast pipe and tuyere arrangement |
| 10/31/1996 | WO1996033959A1 SiC MOULDED BODY |
| 10/23/1996 | EP0738780A1 Method of operating blast furnace |
| 10/23/1996 | EP0542825B1 Slag control apparatus and method |
| 10/23/1996 | CN2238259Y Coal powder distributor for blast furnace |
| 10/23/1996 | CN1133890A Cooling plate for shaft furnace |
| 10/23/1996 | CN1133889A Method of blowing charcaol powder into blast furnace |
| 10/22/1996 | US5567379 Method of producing molten pig iron or molten steel pre-products and a plant therefor |
| 10/09/1996 | CN2237050Y Spray cooling wall |
| 10/03/1996 | WO1996030548A1 Device for sealing a lance into an aperture through which the lance can be introduced into a pressurized vessel |
| 10/03/1996 | CA2216951A1 Device for sealing a lance into an aperture through which the lance can be introduced into a pressurized vessel |
| 10/02/1996 | EP0735145A1 Valve system |
| 10/02/1996 | DE19511274A1 Continuous blast furnace for fine, low carbon steels |
| 10/02/1996 | CN1132253A Blast furnace comprhensive deterministic system |
| 09/18/1996 | EP0732410A1 Tap hole structure |
| 09/17/1996 | US5556680 Cover belt for a duct |
| 09/11/1996 | EP0731180A1 Stove cooler for shaft furnaces |
| 09/11/1996 | EP0730666A1 Device for loading a shaft furnace |
| 09/11/1996 | CN2234956Y High temperature dry method dust arrester |
| 09/03/1996 | CA2112177C Device for relief of thermal stress in spray cooled furnace elements |
| 08/13/1996 | US5544868 Blow pipe and gas lance for blast furance |
| 08/08/1996 | CA2168936A1 Cooling plate for shaft furnaces |
| 08/07/1996 | CN2232447Y Centre pouring pyro device for blast furnace |
| 07/31/1996 | CN1127799A Surface melt diffusion treatment method of alloy at tuyere of iron-smelting blast furnace |
| 07/24/1996 | CN2231687Y Combined brick for blast furnace |
| 07/17/1996 | EP0721559A1 Permanent device for emptying the draining channels of metallurgical apparatuses and its use |
| 07/17/1996 | CN2231258Y Burning nozzle |
| 07/11/1996 | WO1996021048A1 Apparatus for melting fine particles containing carbon and method for melting such fine particles using the apparatus |
| 07/03/1996 | CN1125771A Blast furnace coal powder jet quick-burning method and equipment |
| 06/27/1996 | DE4445845A1 Begichtungsanlage für Schachtöfen Begichtungsanlage for blast furnaces |
| 06/26/1996 | CN1125305A Method and apparatus for improving heat and dust recovery in a waste heat boiler |
| 06/05/1996 | EP0714868A1 Tap-hole mass and process for its production |
| 06/04/1996 | CA2040172C Stock-rod system for determining the burden level in a shaft furnace |
| 05/23/1996 | WO1996015277A1 Method of operating blast furnace |
| 05/21/1996 | CA2005769C Handling molten materials |
| 05/15/1996 | EP0711397A1 Charge preheater |
| 05/07/1996 | US5513835 Distributing chute for a furnace |
| 05/07/1996 | US5513581 Distributor chute for bulk material |
| 04/23/1996 | CA2095768C Apparatus for opening and closing a taphole of a metallurgical furnace |
| 04/17/1996 | CN2224847Y Multi-stage blast furnace |
| 04/16/1996 | US5507474 Lining for molten metal handling vessles |
| 04/10/1996 | EP0705906A1 Cooling plate for shaft furnaces |