| Patents for C21B 7 - Blast furnaces (8,339) |
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| 02/01/2012 | CN102337364A Device for recovering coal gas in equalizing and relieving process of furnace top of blast furnace |
| 02/01/2012 | CN102337361A Method for positioning discharged residual iron during overhaul of blast furnace |
| 02/01/2012 | CN101935725B 分层悬挂式布料装置 Layered cloth hanging device |
| 01/31/2012 | US8105683 Sintered porous refractory with protective material within pores such as alumina, chromium oxide, silica, rare earth oxides, titantium oxide mullite, zirconium oxide or silicate, yttrium oxide, magnesium oxide, iron oxide or blends |
| 01/26/2012 | WO2012011880A2 Plastic for stopping-in blast furnace tapholes |
| 01/25/2012 | EP1756321B1 Servicing equipment for a blast furnace and device for replacing a blast furnace runner |
| 01/25/2012 | CN202124637U Sliding hammer for poking port of blast furnace |
| 01/25/2012 | CN202124636U Anti-incline device for blowing tank |
| 01/25/2012 | CN102329906A Blast furnace tuyere medium sleeve |
| 01/25/2012 | CN102329905A Iron-making blast furnace and taphole frame thereof |
| 01/25/2012 | CN102329904A Blast furnace water pumping cooling method |
| 01/25/2012 | CN102329903A Construction method for restoring jacked blast furnace shell |
| 01/25/2012 | CN102010921B Top pressure automatic control method for bell blast furnace |
| 01/25/2012 | CN101942535B Method for utilizing and recycling solid waste of cyclone ash by spraying through blast-furnace tuyere |
| 01/24/2012 | US8101118 Countercurrent direct-heating-type heat exchanger |
| 01/24/2012 | US8100590 Maintenance mechanism for lighting equipment in a closed space of high radiation activity |
| 01/24/2012 | US8100065 Flue dust discharging method and system |
| 01/19/2012 | WO2012008000A1 Transfer unit and distribution chute |
| 01/19/2012 | US20120013054 System and method for producing metallic iron |
| 01/18/2012 | CN202119421U Tool for detecting installation gap of straight blowpipe |
| 01/18/2012 | CN202116575U Online monitoring device of coal gas dust content |
| 01/18/2012 | CN202116574U Rapid disassembling device for distributing chute pin shaft |
| 01/18/2012 | CN202116573U Blast furnace top distributing gear and sealing structure for same |
| 01/18/2012 | CN202116572U Cooling system of rotary charging device for blast furnace and blast furnace comprising cooling system |
| 01/18/2012 | CN202116571U Adjustable baffle of device for blast furnace to receive high-temperature molten slag on line |
| 01/18/2012 | CN202116570U Device for online random flow control access of high-temperature slag of blast furnace |
| 01/18/2012 | CN202116569U Oxygen lance joint |
| 01/18/2012 | CN202116568U Plug-in type sealed drill bushing |
| 01/18/2012 | CN202116057U Swaying turnover plate for three-way material distributor |
| 01/18/2012 | CN102321775A Novel combined soft water closed circulation cooling system |
| 01/18/2012 | CN102321774A Automatic control device for rotation of blast furnace chute |
| 01/18/2012 | CN101942534B Proportioning method adopted during blow-in for large and medium maintenance of blast furnace |
| 01/18/2012 | CN101649365B Grouting method for blast furnace |
| 01/18/2012 | CN101602603B Molten iron erosion-resisting blast furnace carbon brick and preparation method thereof |
| 01/16/2012 | DE202011052183U1 Rinnenanordnung Channel assembly |
| 01/12/2012 | US20120007291 Tuyere stock arrangement for a blast furnace and method for feeding hot blast into a blast furnace |
| 01/12/2012 | US20120006158 Producing metal and carbon dioxide with hydrogen recycle |
| 01/11/2012 | EP1865078B1 Method of carrying a bottom mantel for a blast furnace |
| 01/11/2012 | CN202107713U Blast furnace air inlet blowing pipe |
| 01/11/2012 | CN202107712U Mud blocking device for blast-furnace tuyere |
| 01/11/2012 | CN202107711U Dovetail groove-shaped drill bit |
| 01/11/2012 | CN202107710U Blast furnace pressure building preventing device for TRT (heat-treated) unit |
| 01/11/2012 | CN102317479A Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace |
| 01/11/2012 | CN102317478A Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace |
| 01/11/2012 | CN102317477A Taphole drill for metallurgical containers, in particular furnaces having molten content |
| 01/11/2012 | CN102317233A Carbonaceous refractory material, process for producing same, and furnace bottom or side wall of blast furnace |
| 01/11/2012 | CN102312031A Device and method for measuring furnace top charge level of bell-less blast furnace |
| 01/11/2012 | CN102312030A Dust collection device for blast furnace gas |
| 01/11/2012 | CN102312029A Air supplying device of blast furnace as well as combustion method and oxygen-enriching method of injected coal powder thereof |
| 01/11/2012 | CN102312028A Pressure control device of blast furnace soft water closed circulation expansion tank |
| 01/11/2012 | CN102312027A Onstream leaking stoppage technology of iron making blast furnace cooling water pipe |
| 01/11/2012 | CN102312026A Secondary mixer for coal spraying with blast furnace |
| 01/11/2012 | CN101984078B Installation method for quickly removing and replacing middle-section furnace casing of large blast furnace |
| 01/05/2012 | US20120001372 Refractory ceramic plug |
| 01/04/2012 | EP2401409A1 Producing metal and carbon dioxide with hydrogen recycle |
| 01/04/2012 | EP2237909B1 Launder assembly and launder section |
| 01/04/2012 | CN202099308U Axial-flow type cyclone dust collector for blast-furnace gas |
| 01/04/2012 | CN202099307U Bellless furnace top distributing gear for blast furnace |
| 01/04/2012 | CN202099306U Bell-less distributing chute of blast furnace |
| 01/04/2012 | CN202099305U Novel pulverized coal injection system for blast furnace |
| 01/04/2012 | CN202099304U Blast furnace tuyere sleeve |
| 01/04/2012 | CN202099303U Channel cover for iron tapping hole of blast furnace |
| 01/04/2012 | CN202099302U Drill stem for tapping machine of blast furnace |
| 01/04/2012 | CN202099301U Casting copper cooling wall |
| 01/04/2012 | CN202099300U Blast furnace mist spray cooling device |
| 01/04/2012 | CN202099299U Blast furnace exhaust gas waste-heat exchanger |
| 01/04/2012 | CN202099298U Bell-less furnace top distributor for blast furnace |
| 01/04/2012 | CN202099297U Blast furnace gas low-vibration pressure regulating valve bank device |
| 01/04/2012 | CN101613777B Process for backblowing and deashing through bag-type dust remover by blast furnace dry method |
| 01/03/2012 | US8089999 Heat exchange apparatus and method of use |
| 01/03/2012 | US8088327 Rotary charging device for a shaft furnace |
| 01/03/2012 | CA2629134C High yield ladle bottoms |
| 12/28/2011 | EP2399879A1 Carbonaceous refractory material, process for producing same, and furnace bottom or side wall of blast furnace |
| 12/28/2011 | EP2398924A1 Taphole drill for metallurgical containers, in particular furnaces having molten content |
| 12/28/2011 | CN202091001U 炉顶自动卸灰式消声器 Automatic roof cinder muffler |
| 12/28/2011 | CN202090008U Top draft hood for blast furnace casting house |
| 12/28/2011 | CN202090007U 用于高炉出铁沟挡渣坝的预制件 Preforms for blast furnace slag dam ditch |
| 12/28/2011 | CN202090006U 用于高炉出铁沟或渣沟沟口的预制件 For blast furnace slag ditch or gully mouth preform |
| 12/28/2011 | CN202090005U 改进的高炉储铁式铁水主沟构造 Improved storage iron blast furnace hot metal type main channel structure |
| 12/28/2011 | CN102301012A 通过用户界面控制鼓风炉的装料的计算机系统和方法 The computer system and method for controlling a user interface by loading the blast furnace |
| 12/28/2011 | CN102296134A 无钟炉顶三并罐阀箱 No bell-less top three and tank valve box |
| 12/28/2011 | CN102296133A 高炉受料罐装料装置 Blast by feeding canned feeding device |
| 12/28/2011 | CN102296132A 高炉喷煤系统及其除湿方法 Pulverized coal injection system and dehumidification |
| 12/28/2011 | CN101839652B 用于工作炉的双重监视装置 Double furnace monitoring device for work |
| 12/28/2011 | CN101812559B 高炉炉衬侵蚀分析监控方法 Blast Furnace Lining Erosion Monitoring Method |
| 12/28/2011 | CN101474739B 一种高炉炉壳平板开孔方法 One kind of blast furnace shell flat opening method |
| 12/21/2011 | EP2396433A1 Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace |
| 12/21/2011 | EP2396432A1 Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace |
| 12/21/2011 | CN202081121U 一种高炉煤气干法除尘装置 One kind of blast furnace gas dry dust removal device |
| 12/21/2011 | CN202081120U 高效煤粉均分器 High efficiency coal sharing device |
| 12/21/2011 | CN202081119U 一种高炉在线捅风口装置 One kind of blast furnace outlet online poke device |
| 12/21/2011 | CN202081118U 一种摆动流槽 One kind of swing chute |
| 12/21/2011 | CN202081117U 高炉上分式渣流稳定器 Fractional blast furnace slag flow stabilizer |
| 12/21/2011 | CN202081116U 高炉无料钟炉顶的二次均排压阀门装置 BF bell-less top secondary pressure valve means are ranked |
| 12/21/2011 | CN202081115U 高炉无料钟炉顶的一次均排压阀门装置 BF bell roof of a pressure valve means are ranked |
| 12/21/2011 | CN202081114U 可调式高效补气调节器 Adjustable qi efficient regulator |
| 12/21/2011 | CN202081113U 双介质导向复合喷煤枪 Dual-media oriented composite PCI gun |
| 12/21/2011 | CN202080682U 给料机内置的节流阀 Feeder built-in throttle |
| 12/21/2011 | CN102286651A 一种控制高炉冶炼强度的耐用缩风口小套制作方法 A method for controlling the intensity of the blast furnace vent small durable shrink sleeve production methods |
| 12/21/2011 | CN102286650A 高炉煤气放散塔的煤气放散方法 Blast furnace gas emission tower gas emission method |