| Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401) |
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| 10/02/2013 | CN103333977A Cold wind distribution manner adopting rotational flow flowing for top combustion stove |
| 10/02/2013 | CN103333976A Flue gas waste heat utilization system and flue gas waste heat utilization method of hot blast furnace |
| 09/25/2013 | CN203212596U Hot air valve simulation device for blast furnace hot blast stove |
| 09/25/2013 | CN203212595U Sleeve-checker brick combined structure |
| 09/25/2013 | CN103322845A Spherical regenerator |
| 09/25/2013 | CN103320561A Hot-blast stove system for high air temperature by using pure blast furnace gas and method thereof |
| 09/25/2013 | CN102747176B Hot blast heater capable of producing hot air and steam simultaneously |
| 09/25/2013 | CN102348814B Method for feeding hot gas to shaft furnace |
| 09/18/2013 | CN103305648A Combustion-supporting air oxygen enrichment device |
| 09/18/2013 | CN103305647A High-temperature and low-energy-consumption running state estimation and optimization method for hot air furnace system |
| 09/11/2013 | CN103290157A Grating plate device of air heating furnace |
| 09/11/2013 | CN103290156A Grating plate device of lattice brick air heating furnace |
| 09/11/2013 | CN103290155A Hot blast furnace roaster and furnace roasting method |
| 09/04/2013 | CN203174129U Flue gas self-circulation combustion system of blast furnace hot blast stove |
| 09/04/2013 | CN103276130A Maintenance method for air leakage from pipeline of hot-air system of blast furnace |
| 09/04/2013 | CN102816884B Hot-blast stove cold air stop-valve close valve interlocking and unlocking methods |
| 08/28/2013 | CN203159649U Blast furnace blast negative energy dehumidification device |
| 08/28/2013 | CN203159648U Combined brick for hot air outlet pipe of air heating furnace |
| 08/28/2013 | CN203159647U Baker facility lifting device |
| 08/28/2013 | CN203159642U Air quantity regulation device of blast furnace |
| 08/28/2013 | CN103266193A Wind transfer security system |
| 08/27/2013 | US8517725 Ceramic burner |
| 08/21/2013 | CN203144438U Hot-blast furnace pressurizing control device |
| 08/21/2013 | CN102747177B Blast furnace hot blast stove and construction method thereof |
| 08/21/2013 | CN102428193B Device for regulating the temperature of a gas in a hot gas main |
| 08/14/2013 | CN203132349U Single-hole direct-connection heat storage and heat exchange brick of regenerative chamber |
| 08/14/2013 | CN103243191A Air dispensation safety control method |
| 08/14/2013 | CN103243190A Method for predicting coal gas consumption of hot blast stove |
| 08/14/2013 | CN103243189A System and method for using burnt gas heat source of blast-furnace hot blast stove for TRT (blast-furnace top gas recovery turbine unit) power generation |
| 08/07/2013 | CN103233091A Checker brick for hot blast stove |
| 08/01/2013 | US20130196277 Regenerative Air Heater And Method of Operation |
| 07/31/2013 | CN203096105U Top-combustion-type airheater with function of uniformly distributed smoke |
| 07/31/2013 | CN103225007A Power generation system and method by blast furnace hot-blast stove flue gas waste heat |
| 07/24/2013 | CN203079997U Fire suppression preventing device for baking of hot blast stove |
| 07/16/2013 | CA2637210C Bleeder valve for pressurised furnace |
| 07/10/2013 | CN203048970U Combined lattice brick with horizontally-radial circular channels |
| 07/10/2013 | CN103194556A Lattice brick with trident holes |
| 07/03/2013 | CN103184300A Method and device for tightening pipes |
| 06/26/2013 | CN203021592U Combined lattice brick |
| 06/19/2013 | CN203007298U Natural air cooling circulating blast-furnace dehumidifying device |
| 06/19/2013 | CN203007297U Online cooling water leakage detection device for hot blast valve |
| 06/19/2013 | CN203007296U Lattice brick |
| 06/19/2013 | CN203007295U Novel blast-furnace hot blast stove exhaust gas classification recycle device |
| 06/19/2013 | CN103162731A Blast furnace hot blast stove burning effect on-line analysis and quantitative method |
| 06/12/2013 | CN202989197U Improved exhaust gas emission pipeline of blast-furnace hot blast stove |
| 06/12/2013 | CN202989196U Multi-edge porous honeycomb lattice brick |
| 06/12/2013 | CN202989195U Novel porous checker brick |
| 06/12/2013 | CN202989194U Independent double-layer ventilation structure below hot blast furnace grate |
| 06/05/2013 | CN202968587U Top combustion stove capable of effectively preventing temperature of combustor from rising excessively |
| 06/05/2013 | CN103131814A Coal gas and air synchronous double-preheating system with additionally arranged combustion furnace |
| 06/05/2013 | CN103131813A Coal gas and air asynchronous and double-preheating system with additionally arranged combustion furnace |
| 06/05/2013 | CN103131812A Plate-type air and coal gas double-preheating system for hot blast stove |
| 05/29/2013 | CN202954057U Hot-blast stove positive pressure dry-off oven device |
| 05/22/2013 | CN103114167A Novel combined brick structure of self-locking sealed blast furnace warm air duct intersection |
| 05/22/2013 | CN103114166A Top combustion stove regenerative chamber arrangement structure capable of uniformly distributing flue gas |
| 05/14/2013 | US8440134 Furnace system |
| 05/08/2013 | CN202925044U Pipeline tensioning device |
| 05/08/2013 | CN103088179A Blast furnace hot-blast stove orifice combination brick structure |
| 05/08/2013 | CN103088178A Blast furnace hot-blast stove flue gas self-circulation combustion method and system |
| 05/08/2013 | CN103088177A Hot-air furnace pressure-filling control device and method |
| 05/01/2013 | CN202915555U High-wind-temperature hot blast stove with high-temperature flue high-temperature flue gas current equalizer |
| 05/01/2013 | CN202912991U Low-power hot blast stove preheating device |
| 05/01/2013 | CN202912990U Hot blast stove system |
| 05/01/2013 | CN202912989U Hot air conveying pipeline system for top combustion stove |
| 05/01/2013 | CN102329907B Novel clamp for sealing of hot-blast valve flange and using method thereof |
| 04/25/2013 | WO2013056870A1 Method of operating regenerative heaters in blast furnace plant |
| 04/25/2013 | CA2851749A1 Method of operating regenerative heaters in blast furnace plant |
| 04/24/2013 | EP2584052A1 Method of operating regenerative heaters in blast furnace plant |
| 04/24/2013 | CN202898445U Combined brick structure for inlet and outlet pipe orifice of hot-blast stove |
| 04/24/2013 | CN202898444U Support arm structure of top-combustion type hot-blast stove |
| 04/24/2013 | CN102392091B Gas isolation method used during drying of hot-blast stove in iron works |
| 04/17/2013 | CN202881303U Auxiliary device of online repair combustor of top-combustion type hot-blast stove |
| 04/17/2013 | CN103045786A High-blast-temperature combinative heat exchange system of blast furnace |
| 04/16/2013 | US8419423 Hot air stove |
| 04/11/2013 | WO2013050522A1 Heat shield and method |
| 04/10/2013 | CN202865252U Hot blast valve for hot blast furnace system of direct reduction iron shaft furnace |
| 04/03/2013 | CN202849472U Oxygen-enriched dry gas supply device |
| 04/03/2013 | CN202849471U Hot blast stove with gas and air combusting in annularly jetting and mixing heat storer in combustion chamber |
| 04/03/2013 | CN103014211A Combustion device in orthogonally jetting and mixing accumulator of flat nozzle |
| 03/27/2013 | CN202830067U Honeycomb lattice brick with horizontal flow equalization annular passage |
| 03/27/2013 | CN102994677A System and method for power generation utilizing waste heat of tail waste gas of blast-furnace hot blast stove |
| 03/20/2013 | CN202808855U Device for controlling oxygen content of tail gas of hot-blast stove |
| 03/20/2013 | CN202808854U Tie rod |
| 03/20/2013 | CN202808853U Hot-blast stove for realizing combustion in heat-retaining mass via up-and-down injecting, hedging and mixing of nozzles in pre-combustion chamber |
| 03/20/2013 | CN202808852U Lattice brick combination structure with wide piling gaps |
| 03/20/2013 | CN202808851U Cylinder built from wedge bricks with T-shaped section |
| 03/20/2013 | CN202808850U Hot-blast stove capable of controlling temperatures |
| 03/20/2013 | CN202808849U Hot-blast stove using blast furnace gas as fuel |
| 03/20/2013 | CN102978317A Hot-blast stove double-preheating device |
| 03/20/2013 | CN102978316A Top combustion stove capable of effectively preventing temperature of burner from excessively rising |
| 03/13/2013 | CN202792024U Hot blast furnace and combustor thereof |
| 03/13/2013 | CN202786297U Dehumidifying device for blast furnace blower |
| 03/13/2013 | CN202786296U Hot-air header pipe |
| 03/06/2013 | CN202766556U Valve cover of hot blast valve |
| 03/06/2013 | CN202766555U Novel lattice brick with central grooves |
| 03/06/2013 | CN102952913A Dual-preheating method and device for preheating blast furnace gas by using heat-storage-type preheating furnace |
| 02/27/2013 | CN202755013U Cold-blast air chamber without furnace grate |
| 02/27/2013 | CN202755012U Valve plate of hot blast valve |
| 02/27/2013 | CN202755011U Hot blast valve |
| 02/20/2013 | EP2558234A1 Insulation brick |