| Patents for C21B 7 - Blast furnaces (8,339) |
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| 03/11/2009 | EP1833999B1 Device for distrubuting material into a furnace |
| 03/11/2009 | CN201206152Y Blast furnace taphole flue gas collecting device |
| 03/11/2009 | CN201206151Y Wet method ash cleaner for blast furnace dust collector |
| 03/11/2009 | CN201206150Y Blast furnace body without durable material lining |
| 03/11/2009 | CN101381785A Water control method after blast furnace cooling wall breakage |
| 03/11/2009 | CN100467618C Blast furnace compaction type vertical stock rod drum shaft composite sealing device |
| 03/11/2009 | CN100467617C Drill bit for taphole of blast furnace and method for producing same |
| 03/05/2009 | WO2009027155A1 Dust-catcher for blast furnace gas |
| 03/05/2009 | WO2009000704A3 Shaft furnace and method for operating a furnace |
| 03/05/2009 | CA2696120A1 Dust-catcher for blast furnace gas |
| 03/04/2009 | EP2031078A1 Dust catcher for blast furnace gas |
| 03/04/2009 | EP2031077A1 Lumped skull lining material |
| 03/04/2009 | CN201201952Y Weighing funnel with weighing and calibration apparatuses |
| 03/04/2009 | CN201201951Y 布料设备 Fabric Device |
| 03/04/2009 | CN201201950Y Head of clay gun for blast furnace |
| 03/04/2009 | CN201201949Y Blast furnace front clay gun hydraulic system without balance valve |
| 03/04/2009 | CN201201948Y Parallel type blast furnace front mud gun hydraulic system |
| 03/04/2009 | CN201201947Y Combined closed type mill exhauster bearing housing |
| 03/04/2009 | CN101379200A Spray quench systems for heat treated metal products |
| 03/04/2009 | CN101379199A Bleeder valve for pressurised furnace |
| 03/04/2009 | CN100465290C A laminated cooling wall |
| 02/25/2009 | EP1920074A4 Induction powered ladle bottom nozzle |
| 02/25/2009 | CN201198485Y Blast furnace tuyere camera shooting device |
| 02/25/2009 | CN201198484Y Electric control gear of blast furnace stockline indicating rod |
| 02/25/2009 | CN201198483Y Tap cinder water-cooling spout |
| 02/25/2009 | CN201198482Y Upper sealing valve and turning arm on blast furnace roof |
| 02/25/2009 | CN201198481Y Blast furnace double drive discharge trolley |
| 02/25/2009 | CN201198480Y Blast furnace blowing filter |
| 02/25/2009 | CN201198479Y Front dust hood of blast furnace |
| 02/25/2009 | CN101372282A Buffering type shutter |
| 02/25/2009 | CN100463974C Dry cooled coke powder blowing process and apparatus for blast furnace |
| 02/18/2009 | CN201195731Y Temperature measuring equipment for blast furnace well |
| 02/18/2009 | CN201195730Y Distributor case body sealing device |
| 02/18/2009 | CN201195729Y Blast furnace coal gun |
| 02/18/2009 | CN201195728Y Blast furnace ironmaking coal powder injection gun |
| 02/18/2009 | CN100462444C Dwarf type cover carriage |
| 02/12/2009 | WO2009020111A1 Ring block conveying apparatus, and remedy method for blast furnace casing |
| 02/12/2009 | WO2007100441A3 Cooling device for use in an electric arc furnace |
| 02/12/2009 | US20090038438 Systems and methods for accessing a furnace melt |
| 02/11/2009 | EP2021169A2 Backup thermal insulation plate |
| 02/11/2009 | CN201193232Y High-temperature powder dust recovering and recycling blowing device |
| 02/11/2009 | CN201193231Y Distributor for high-temperature charging |
| 02/11/2009 | CN201193230Y Local cooling device for shell of ironmaking blast furnace |
| 02/11/2009 | CN101363066A Replacement method of blast furnace cross temperature measuring equipment |
| 02/05/2009 | US20090032210 Exothermic And Insulating Feeder Sleeves Having A High Gas Permeability |
| 02/04/2009 | CN201190165Y Taphole of blowing-on of blast furnace with wind pressure tube |
| 02/04/2009 | CN201190164Y Composite cooling wall for blast furnace |
| 02/04/2009 | CN101360840A Three hopper charging installation for a shaft furnace |
| 02/04/2009 | CN101360839A Charging device for a shaft furnace |
| 02/04/2009 | CN101360838A Multiple hopper charging installation for a shaft furnace |
| 02/04/2009 | CN101358256A Environmental friendly ramming material for blast furnace and preparation method thereof |
| 02/04/2009 | CN100457923C Cast-iron cooling wall and manufacturing method thereof |
| 01/29/2009 | US20090026668 Metal making lance assembly |
| 01/28/2009 | EP2018444A2 Regenerated calcium aluminate product and process of manufacture |
| 01/28/2009 | CN201187586Y Even discharge valve of blast furnace |
| 01/28/2009 | CN201186934Y Single lip edge coating blast furnace drill |
| 01/28/2009 | CN201186867Y Blast furnace elbow rapid changing apparatus |
| 01/28/2009 | CN101353712A Apparatus for increasing production ability in iron and steel production |
| 01/28/2009 | CN100456009C Leakage-checking spacing method of blast furnace |
| 01/21/2009 | CN201183804Y Blast furnace top trial rod apparatus |
| 01/21/2009 | CN201183803Y Smoke dust treating apparatus for blast furnace |
| 01/21/2009 | CN201183802Y Blast furnace iron notch side suction dust removing apparatus |
| 01/21/2009 | CN201183801Y Blast furnace top gas conditioning apparatus |
| 01/21/2009 | CN201183800Y Blast furnace tapping machine catcher |
| 01/21/2009 | CN201183799Y Ore tank broken coke material distributor |
| 01/21/2009 | CN101349688A Multifunctional general-purpose coal fines combustion test apparatus and method |
| 01/21/2009 | CN100453509C No-water stemming material for blast furnace taphole and its prepn |
| 01/20/2009 | US7479251 Device and method for casting and drawing out molten iron-containing and mineral materials |
| 01/20/2009 | US7479250 Segmented well block |
| 01/15/2009 | US20090013828 Reduction Process and Plant |
| 01/14/2009 | CN201181156Y Composite material refrigeration wall |
| 01/14/2009 | CN201180143Y Small indiscriminately used for leakage detecting apparatus for tuyeres of blast furnace |
| 01/14/2009 | CN201180142Y Long-life wind gap for ironmaking blast furnace |
| 01/14/2009 | CN201180141Y Coal powder injection gun of ironmaking blast furnace |
| 01/14/2009 | CN201179392Y Improved upper-gas-intake blast furnace cloth bag dust remover |
| 01/14/2009 | CN101346477A A rotary charging device for a shaft furnace equipped with a cooling system |
| 01/14/2009 | CN101344292A Optimization technique of circulating water body conveying system |
| 01/14/2009 | CN101344016A Method for power generation by waste heat of coal gas |
| 01/14/2009 | CN101343676A On-line detecting device and method for temperature of blast furnace chamber |
| 01/14/2009 | CN101343675A Recovering device for steam exhaust of steel-smelting blast furnace |
| 01/14/2009 | CN100451132C Local on-line repairing methd of blast furnace crucible and blast furnace bottom |
| 01/08/2009 | WO2009005755A1 Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 01/07/2009 | CN201176444Y Blast furnace top flow regulator |
| 01/07/2009 | CN201176443Y Gas pipeline anti-corrosive apparatus and blast furnace gas dust removing apparatus by dry method |
| 01/07/2009 | CN201176442Y Self-propelled mobile dust source catching device |
| 01/07/2009 | CN100449242C Pyrometallurgical reactor cooling element and its manufacture |
| 01/07/2009 | CN100449241C Pyrometallurgical reactor cooling element and its manufacture |
| 01/06/2009 | US7473393 Method for discharging reduced product from a movable-hearth furnace and a discharging device |
| 12/31/2008 | WO2009000704A2 Shaft furnace and method for operating a furnace |
| 12/31/2008 | EP2007912A1 Method of manufacturing a stave cooler for a metallurgical furnace and a resulting stave cooler |
| 12/31/2008 | CN201173988Y Camera device of flame monitor of endoscopic hearth |
| 12/31/2008 | CN201172665Y Water cooling device for furnace top of blast furnace |
| 12/31/2008 | CN101333569A Repairing method for cooling staveleakage |
| 12/24/2008 | WO2008155934A1 Method of removing residual pig iron from blast furnace |
| 12/24/2008 | WO2008154689A1 Lance for injecting solid material into a vessel |
| 12/24/2008 | WO2008154688A1 Apparatus for injecting solid material into a vessel |
| 12/24/2008 | CN201169595Y Novel steel-smelting revolving furnace hood feeding chute |
| 12/24/2008 | CN201168689Y Vibration screen under groove |
| 12/24/2008 | CN101331238A Protective-united carbonaceous block for blast furnace and method of constructing blast furnace with carbonaceous block |
| 12/24/2008 | CN101329566A Data transfer control method between blast furnace feeding system and blast furnace cloth system |