| Patents for C21B 7 - Blast furnaces (8,339) |
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| 05/19/2011 | US20110113925 Method of and system for processing red mud |
| 05/18/2011 | CN201834933U Level-detecting device comprising alternating current motor and autotransformer |
| 05/18/2011 | CN201834932U Stock indicator taking approach switch as counter sensing element |
| 05/18/2011 | CN201834931U Cantilever-rotating movable type smoke hood for blast furnace taphole |
| 05/18/2011 | CN201834930U Silencing type blast furnace cooling water return tank |
| 05/18/2011 | CN201834929U Pivoting bearing connected double-action sealing valve for bell-less furnace top of blast furnace |
| 05/18/2011 | CN102061349A Alkali-spraying dechlorination device for blast-furnace gas |
| 05/18/2011 | CN102061348A Dry bag-type dust-collecting device for blast-furnace gas |
| 05/18/2011 | CN102061347A In-series merging arrangement process for two blast furnace ore coke groove systems |
| 05/18/2011 | CN102059013A Blast furnace slag flushing water filter |
| 05/18/2011 | CN101717835B Method for cooling jackpost of blast furnace mud gun |
| 05/18/2011 | CN101514377B Ironmaking blast furnace lining carbon brick and preparation method thereof |
| 05/17/2011 | US7943083 Drum apparatus for treating slag |
| 05/17/2011 | US7943082 Water-cooling jacket structure for inspection hole of flash furnace |
| 05/17/2011 | US7942950 Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method |
| 05/12/2011 | US20110109024 Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a furnace blast |
| 05/11/2011 | EP2318554A1 A charging installation for a shaft furnace and lower sealing valve assembly therefore |
| 05/11/2011 | CN201827386U Connecting rod type sealing valve |
| 05/11/2011 | CN201825970U Piston-type self-cleaning gauging pipe |
| 05/11/2011 | CN201825969U Bell-shaped cindervalve |
| 05/11/2011 | CN201825968U Dual gas dehumidifier |
| 05/11/2011 | CN201825967U Cyclone injection lance for blast furnace injection |
| 05/11/2011 | CN102057058A Cooling plate for a metallurgical furnace |
| 05/11/2011 | CN102057057A Method of inhibiting turbulent tapping in blast furnace |
| 05/11/2011 | CN102051424A Fully automatic variable frequency energy-saving control system of dedusting fan of blast furnace |
| 05/11/2011 | CN102051423A Device for injecting coal powder into blast furnace |
| 05/11/2011 | CN102051422A Antileak coal gas muffler |
| 05/11/2011 | CN102049492A Brick inlaying method for fully covered thermal inlaid brick cooling wall |
| 05/05/2011 | US20110101576 Tuyere for Manufacturing Molten Iron and Method for Injecting Gas Using the Same |
| 05/04/2011 | EP2315859A1 Seal plug for a tiltable converter |
| 05/04/2011 | CN201817504U Front energy-saving hydraulic system of blast furnace |
| 05/04/2011 | CN201817503U Blast furnace top igniter |
| 05/04/2011 | CN201817502U Furnace top silencer of blast furnace |
| 05/04/2011 | CN201817501U Coal injection and blowing system for blast furnace |
| 05/04/2011 | CN201817500U 'J-shaped' sealing water pipe type blast furnace top pressure-equalizing bleeding device |
| 05/04/2011 | CN102047060A Method for manufacturing a cooling plate for a metallurgical furnace |
| 05/04/2011 | CN102042763A Sleeve coal spraying gun with viewing function |
| 05/04/2011 | CN102041336A Leak-proof device for iron runner of iron-making blast furnace |
| 05/04/2011 | CN102041335A Construction method for replacing cooling wall of blast furnace with water-cooling hanging pipes |
| 05/04/2011 | CN102041334A High-thermal conductivity carbon ramming compound for large blast furnace |
| 05/04/2011 | CN102039415A Molybdenum iron boron ternary metal-ceramic alloy vacuum sintered friction welding boring bit |
| 05/04/2011 | CN101818221B Method capable of rapidly reaching yield after small and medium maintenance of blast furnace |
| 05/04/2011 | CN101736106B Maintenance device of air pipe of blast furnace |
| 05/04/2011 | CN101604146B Control method of automatic control system for blast furnace feeding |
| 05/04/2011 | CN101412089B Method for preparing wear-resistant composite distributing chute for blast furnace |
| 04/28/2011 | WO2011048045A1 Energy recovery from gases in a blast furnace plant |
| 04/28/2011 | WO2011047846A1 Device for taking slag samples |
| 04/28/2011 | WO2010151874A3 Tuyere |
| 04/28/2011 | US20110094337 Steelmaking facility comprising a direct reduction plant and an electric-arc furnace |
| 04/27/2011 | EP1817435B1 Improved furnace cooling system and method |
| 04/27/2011 | CN201809368U Blast furnace coal gas cooling device |
| 04/27/2011 | CN201809367U Water-cooled belly pipe |
| 04/27/2011 | CN201809366U Wear-resistant slag flushing trough lining board |
| 04/27/2011 | CN201809365U Mud gun constant temperature system based on heat exchange |
| 04/27/2011 | CN201809364U Large prefabricated brick of blast furnace cooling wall |
| 04/27/2011 | CN201809363U Cooling wall for pre-hanging slag crust |
| 04/27/2011 | CN102037304A Method for feeding pulverised coal into a blast furnace |
| 04/27/2011 | CN102031321A Method and device for recovering pressure-equalized coal gas at top of blast furnace |
| 04/27/2011 | CN102031320A Method for replacing blast furnace shell |
| 04/27/2011 | CN101473182B Charging device for a shaft furnace |
| 04/27/2011 | CN101155934B Method of carrying bottom mantel for blast furnace |
| 04/26/2011 | US7931854 Unit for catalytic gas nitrogenation of steels and alloys |
| 04/21/2011 | WO2011046666A2 Blast furnace tuyere cooling |
| 04/21/2011 | US20110088600 Eddy-free high velocity cooler |
| 04/21/2011 | CA2776958A1 Blast furnace tuyere cooling |
| 04/20/2011 | EP2310541A1 Tapping channel for draining iron and metal melts and liquid slags from metallurgical containers such as blast furnaces and melt furnaces |
| 04/20/2011 | EP2310540A2 Method and melt channels for interrupting and restoring the melt stream of iron and metal melts in tap hole channels of blast furnaces and drainage channels of melt furnaces |
| 04/20/2011 | EP2310539A1 Method and devices for regulating the flow rate and for slowing down melt streams through magnetic fields in the tapping of metallurgical containers such as blast furnaces and melt furnaces |
| 04/20/2011 | EP2310538A1 Method and devices for regulating the flow rate and for slowing down non-ferromagnetic, electrically-conducting liquids and melts |
| 04/20/2011 | CN201802953U Lower sealing valve at top of bell-less blast furnace |
| 04/20/2011 | CN201801533U Blast furnace gas dust removing device |
| 04/20/2011 | CN201801532U Main runner of iron-storing iron runner of single-taphole blast furnace |
| 04/20/2011 | CN201801531U Hard alloy cross drill sheet blast furnace tapping drill |
| 04/20/2011 | CN201801530U Hard alloy cross brazing sheet for tapping drill of blast furnace |
| 04/20/2011 | CN102021260A Blast furnace profile monitoring system |
| 04/20/2011 | CN102021259A Pressure correction electronic scale for furnace top burdening system of blast furnace |
| 04/20/2011 | CN102021258A Mud beating amount detector of hydraulic mud gun |
| 04/20/2011 | CN102021257A Casting method of nodular cast iron cooling wall with thick cross section and high elongation |
| 04/20/2011 | CN102021256A Circulating cooling water system of blast-furnace tuyere small sleeve |
| 04/20/2011 | CN102021255A Distribution method of bell-free blast furnace with high proportion pellet ore burden structure |
| 04/20/2011 | CN101787405B Automatic protective unit of piston high-temperature explosion-proof imaging device |
| 04/20/2011 | CN101775454B Blast-furnace tuyere leakage monitoring and alarming system |
| 04/20/2011 | CN101665846B Differential bulk material distributor |
| 04/20/2011 | CN101603107B System for removing corrosive substances in coal gas obtained by dry dedusting of blast furnace and process thereof |
| 04/14/2011 | WO2011043454A1 Loading device |
| 04/14/2011 | US20110084430 Contoured Molten Metal Filter Cups |
| 04/13/2011 | EP2307578A1 Lower sealing valve assembly for a shaft furnace charging installation and valve actuation mechanism therefore |
| 04/13/2011 | CN201793606U Distributing chute |
| 04/13/2011 | CN201793605U Second cover of blast-furnace tuyere |
| 04/13/2011 | CN201793604U Large-scale blast furnace mid-sleeve drawing device |
| 04/13/2011 | CN201793603U Trolley for changing tuyere |
| 04/13/2011 | CN201793602U Novel fully-closed lead discharge tank for blast-furnace bottom |
| 04/13/2011 | CN201793601U Iron storing type main channel of blast furnace |
| 04/13/2011 | CN201793600U Protection shield for oil cylinder of blast furnace tapping machine |
| 04/13/2011 | CN201793599U Emergency operating device for hydraulic clay gun of blast furnace |
| 04/13/2011 | CN201793598U Blast furnace front rotary cylinder connecting device |
| 04/13/2011 | CN201793597U Tap hole internal lining combined structure of blast furnace |
| 04/13/2011 | CN201793596U Novel small opening drill for blast furnace |
| 04/13/2011 | CN201793595U Cooling wall of blast furnace |
| 04/13/2011 | CN201793594U Cooling wall with reinforced cooling device |