| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 04/13/2011 | CN201793593U Anti-stripping blast furnace bell-less charging machine chute |
| 04/13/2011 | CN201793592U Material-distributing chute |
| 04/13/2011 | CN201793591U Online recovering device for water seal of blast furnace airtight box |
| 04/13/2011 | CN201793590U Blast furnace gas diffusing facility |
| 04/13/2011 | CN201793589U Iron making blast furnace top pressure-balanced discharged waste gas and noise treatment system |
| 04/13/2011 | CN201793588U Blast furnace waste gas treatment system for iron making |
| 04/13/2011 | CN201793587U Automatic cleaning device for coal powder injection main pipe |
| 04/13/2011 | CN102010923A Uniform charging method of bell-less blast furnace |
| 04/13/2011 | CN102010922A Method for distributing raw materials with high zinc content in blast furnace with bell-less top |
| 04/13/2011 | CN102010921A Top pressure automatic control method for bell blast furnace top gas recovery turbine unit (TRT) |
| 04/13/2011 | CN102010919A Process for blasting oxygen-enriched hot blast to blast furnace and device applied to same |
| 04/13/2011 | CN101748225B Automatic gun head detaching method |
| 04/13/2011 | CN101619368B Cooling process of blast furnace bosh |
| 04/13/2011 | CN101524609B Asymetric membrane FeAl intermetallic compound porosint filter element and application thereof |
| 04/13/2011 | CN101205564B Molten iron loading amount control method of ironcored ladle car |
| 04/07/2011 | WO2011040425A1 Blast furnace bosh section structure and design method therefor |
| 04/07/2011 | WO2011039810A1 Method for separating and collecting carbon dioxide from blast furnace gas in blast furnace gas utilization process |
| 04/07/2011 | WO2011039809A1 Method for separating and collecting carbon dioxide from blast furnace gas |
| 04/06/2011 | EP2305840A1 Method for constructing and repairing body of blast furnace |
| 04/06/2011 | EP2304362A1 Method for manufacturing a cooling element and a cooling element |
| 04/06/2011 | EP2304361A1 Method for manufacturing a cooling element and a cooling element |
| 04/06/2011 | CN201785421U Blast furnace distribution control system |
| 04/06/2011 | CN201785420U Bell-less top distribution chute |
| 04/06/2011 | CN201785419U High-efficiency, safe and environment-friendly injection device |
| 04/06/2011 | CN201785418U Pulverized-coal and gas blast furnace spray gun |
| 04/06/2011 | CN201785417U Spray gun of blast furnace capable of spraying medium |
| 04/06/2011 | CN201785416U Water cooling cinder runner work lining |
| 04/06/2011 | CN201785415U Automatic lead discharging device |
| 04/06/2011 | CN201785414U Copper-steel integrated cooling board device |
| 04/06/2011 | CN201785413U Copper stave with piping reinforcement structure |
| 04/06/2011 | CN201785412U Blast furnace copper cooling wall thermal load adjusting device |
| 04/06/2011 | CN201785411U Wire feeding connection device for blast furnace protection |
| 04/06/2011 | CN201785410U Furnace shell and cooling wall suspension type retaining device for blast furnace overhaul |
| 04/06/2011 | CN201785409U Deformation prevention device for installation of top ring |
| 04/06/2011 | CN102002545A Determination method for root position of soft heat belt in blast furnace |
| 04/06/2011 | CN102002544A Switching method for blast-furnace gas dry-wet dust removing systems |
| 04/06/2011 | CN102002543A On-bunker intelligent crude fuel supply system of blast furnace |
| 04/06/2011 | CN101698893B High-efficiency air cooling blast furnace tuyere |
| 04/06/2011 | CN101580885B Furnace top distributing gear |
| 03/31/2011 | US20110074073 Method of producing cast iron |
| 03/31/2011 | US20110074070 Operation method of flash smelter and raw material supply apparatus |
| 03/30/2011 | EP1977018B1 Multiple hopper charging installation for a shaft furnace |
| 03/30/2011 | CN201778045U Self-contained device for removing dust in clean gas |
| 03/30/2011 | CN201778044U Stock distributing device at top of blast furnace |
| 03/30/2011 | CN201778043U Coal gas blowing device of blast furnace |
| 03/30/2011 | CN201778042U Tuyere sight glass for judging temperature of blast furnace |
| 03/30/2011 | CN201778041U Main iron runner structure |
| 03/30/2011 | CN201778040U Connecting structure for drill bit and drill rod of blast furnace taphole drilling machine |
| 03/30/2011 | CN201778039U Improved blast furnace ignition manhole |
| 03/30/2011 | CN201778038U Blast furnace taphole grouting pressure head |
| 03/30/2011 | CN201778037U Pure oxygen magnesium spraying device for realizing fast blowing-in of blast furnace |
| 03/30/2011 | CN201777643U Metallurgical furnace equipment, metallurgical furnace charging equipment and belt conveyer system |
| 03/30/2011 | CN101993966A Iron-making blast furnace charging system control device |
| 03/30/2011 | CN101993246A Thermal conductive graphite blocks for blast-furnace bottom and hearth |
| 03/30/2011 | CN101044377B Method and device for calibrating a weighing system of a blast furnace top hopper |
| 03/24/2011 | US20110068522 Apparatus for injecting gas into a vessel |
| 03/23/2011 | EP2297364A1 Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace |
| 03/23/2011 | CN201772998U Experiment table for detecting machine head of tapping machine |
| 03/23/2011 | CN201770718U Dust-removing wet process deashing device of blast furnace |
| 03/23/2011 | CN201770717U Device for blocking and conducting blast-furnace tuyere |
| 03/23/2011 | CN201770716U Air intake bent pipe for blast furnace |
| 03/23/2011 | CN201770715U Improved structure of blast furnace mud gun cap |
| 03/23/2011 | CN201770714U Device for connecting basal body of cover carriage and oil cylinder |
| 03/23/2011 | CN201770713U Combined lining structure of furnace bottom and hearth of blast furnace |
| 03/23/2011 | CN201770712U Device for fixing coal injection gun of blast furnace |
| 03/23/2011 | CN201770711U Movable plate adjustable type steel assembly platform used for blast furnace masonry |
| 03/23/2011 | CN1596315B Raw material charging method for bell-less blast furnace |
| 03/23/2011 | CN101988135A Control process of blast-furnace gas dedusting system |
| 03/23/2011 | CN101988134A Blast furnace tuyere middle sleeve and blast furnace tuyere device |
| 03/23/2011 | CN101413038B Coal powder pure oxygen blast furnace ironmaking process and equipment thereof |
| 03/22/2011 | CA2492908C Cooling element |
| 03/16/2011 | CN201764178U Three-way pipeline and blast furnace crude gas equipment adopting same |
| 03/16/2011 | CN201762353U Device for measuring temperature field of furnace throat gas of blast furnace |
| 03/16/2011 | CN201762352U Ball/bell linkage valve |
| 03/16/2011 | CN201762351U Blast furnace for smelting sefstromite |
| 03/16/2011 | CN201762350U Bottom hearth of blast furnace using composite lining |
| 03/16/2011 | CN201762349U Coal feeder |
| 03/16/2011 | CN201762348U Rope pulley platform for skew bridge of blast furnace |
| 03/16/2011 | CN201762347U Pulverized coal recovery device for blast furnace coal injection pipeline filter |
| 03/16/2011 | CN201762346U Blast furnace distributing device of mechanical hydraulic group drive chute |
| 03/16/2011 | CN201762345U Blast furnace gas discharge valve |
| 03/16/2011 | CN201762343U Adjustable expansion slag-bead chute |
| 03/16/2011 | CN101985669A Method for automatically correcting differential-pressure compensation factors of weighing of top charging bucket |
| 03/16/2011 | CN101748223B Method for avoiding blast-furnace gunning rebound materials mixing with cokes in hearth |
| 03/15/2011 | CA2597105C Plant for supplying materials to a metallurgical unit |
| 03/10/2011 | WO2011026940A1 Recovery of energy from blast furnace gas in an expansion turbine |
| 03/10/2011 | WO2010015682A9 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 |
| 03/09/2011 | CN201757599U Small-sized quantitative injection device for powder |
| 03/09/2011 | CN201756562U Double gun channel blow pipe of air-intake system of ironmaking blast furnace |
| 03/09/2011 | CN201756507U Production device for anhydrous stemming |
| 03/09/2011 | CN201755428U Water drainage system of circulating water operation area |
| 03/09/2011 | CN101984078A Installation method for quickly removing and replacing middle-section furnace casing of large blast furnace |
| 03/08/2011 | US7901617 Heat exchanger |
| 03/08/2011 | US7901616 Method of building a direct smelting plant |
| 03/08/2011 | US7900567 Shielding arrangement for the smelt spout area of a recovery boiler |
| 03/03/2011 | WO2011023772A1 Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore |
| 03/03/2011 | CA2770250A1 Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore |
| 03/03/2011 | CA2678169A1 Method and apparatus for preparing a slag melt in a medium frequency induction furnace for producing slag wool fiber materials |
| 02/24/2011 | US20110042868 Process and Apparatus for Recovery of Non-Ferrous Metals from Zinc Residues |
| 02/23/2011 | EP2286166A1 Method for feeding pulverised coal into a blast furnace |