| Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401) |
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| 03/26/2014 | CN203498406U Labyrinth universal dilatation joint structure |
| 03/26/2014 | CN203498405U Fire-proof ball loading device of ball-type top combustion stove |
| 03/26/2014 | CN203498398U Low-suspension blanket type oven device |
| 03/19/2014 | CN203487169U Hot blast heater for combustion of gas rotational flow and air staging impact mixed heat accumulator |
| 03/12/2014 | CN203474831U Device for increasing hot air temperature of blast furnace |
| 03/12/2014 | CN203474830U Hot-blast stove for jet mixing of gas and air by circularly and uniformly distributed nozzles inside combustion chamber |
| 03/12/2014 | CN203474829U Hot blast furnace for combustion of heat accumulator by virtue of upwards spraying and returning of cross-mixed swirl flow of coal gas and air |
| 03/12/2014 | CN203474824U Double-level refrigeration dehumidifying device for blast-furnace air filtration dehumidification unit |
| 03/12/2014 | CN103627833A Dry type water-free flue valve of hot-blast stove |
| 03/12/2014 | CN103627832A Hot blast stove with injection premixing cyclone stable flame device and heat accumulators for supporting combustion |
| 03/05/2014 | CN203462069U Self-preheating top-combustion type hot-air furnace |
| 03/05/2014 | CN203462068U Roaster device for iron-making hot-blast stove |
| 02/27/2014 | WO2013192526A3 Use of oxygen from ion transport membranes in blast furnace |
| 02/26/2014 | CN203451553U Flange demounting device for infrared thermometer |
| 02/19/2014 | CN203440390U Security air system with function of preventing slag from pouring into blast furnace |
| 02/19/2014 | CN203440389U Transitional checker brick between 7-hole checker brick and 19-hole checker brick |
| 02/05/2014 | CN203419945U Hot-blast stove provided with high-temperature flues and low-temperature flues |
| 01/29/2014 | CN203411561U Construction structure for warm-air pipe compensator of hot-blast stove |
| 01/29/2014 | CN203411560U Construction structure of fireproof material in air heating pipeline ripple compensator of air heating furnace |
| 01/29/2014 | CN103540699A Two-stage refrigeration dehumidification device of blast-furnace blast filtration dehumidification unit |
| 01/28/2014 | CA2774642C Exhaust processing and heat recovery system |
| 01/22/2014 | CN203403121U Device for achieving high blast temperature by virtue of low calorific value coal gas and high temperature combustion-supporting air |
| 01/22/2014 | CN203403120U Top-combustion type hot-blast stove cast steel combustor |
| 01/22/2014 | CN203403119U Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
| 01/22/2014 | CN103525959A Method for controlling air temperature of blast furnace |
| 01/15/2014 | CN103509904A Waste gas pressurizing device and pressurizing method for blast-furnace hot blast stove |
| 01/15/2014 | CN103509903A Phase change thermal storage type high blast temperature hot blast stove |
| 01/15/2014 | CN102265107B Bustle pipe arrangement |
| 01/09/2014 | US20140011152 Top-firing hot blast stove |
| 01/08/2014 | CN203382777U Hot-blast furnace |
| 01/08/2014 | CN103498015A Roaster device of iron-making hot blast furnace |
| 01/02/2014 | US20140004475 Top-firing hot blast stove |
| 01/01/2014 | CN203373369U Hot-air pipe lining for hot air furnace |
| 01/01/2014 | CN203373368U Hot blast stove roaster |
| 01/01/2014 | CN203373367U Smoke waste-heat utilization system of hot blast furnace |
| 01/01/2014 | CN203373366U Hot-blast stove system for achieving high blast temperature by only burning blast furnace |
| 01/01/2014 | CN103484589A Low-temperature hot blast heater construction method |
| 01/01/2014 | CN103484588A Top combustion type hot air furnace arranging annular flameless combustion device below arch roof of combustion chamber |
| 12/25/2013 | CN203360478U Connecting device for exhaust pipeline and fume pipeline of hot blast stove |
| 12/25/2013 | CN203360477U Hot blast stove adopting coal gas and air orthogonal jetting and mixing and porous body for combustion supporting |
| 12/25/2013 | CN203360476U Checker brick |
| 12/25/2013 | CN203360475U Lattice brick structure for heat storage room |
| 12/24/2013 | US8613791 Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
| 12/18/2013 | CN203346416U Top combustion stove provided with gas and air mixing spray pipe |
| 12/18/2013 | CN203346415U Top combustion hot blast stove provided with inner and outer mixing nozzle |
| 12/18/2013 | CN203346414U Top combustion hot blast stove with communicated gas nozzle and air nozzle |
| 12/18/2013 | CN103451343A Full waste heat dehumidification method based on blast-furnace air and system for achieving same |
| 12/18/2013 | CN103451342A Device and method for increasing temperature of hot air in blast furnace |
| 12/18/2013 | CN103451341A Hot-blast duct compensator masonry structure of hot-blast furnace |
| 12/18/2013 | CN103451340A Device and method thereof for increasing air temperature of hot blast furnace by utilizing air voltage transformation to adsorb oxygen enrichment |
| 12/11/2013 | CN203333694U Blocking structure for air heating furnace bottom air leakage |
| 12/11/2013 | CN203333693U Top-combustion-stove cold air inlet structure using rotational flow |
| 12/11/2013 | CN203333692U Inner leakage check device for valve body |
| 12/11/2013 | CN203333691U Fireproof ball filter sieve of spherical type top-combustion hot blast stove |
| 12/11/2013 | CN203333690U Hot air diversion drying oven device |
| 12/11/2013 | CN203333689U Adjusting device for circumferential weld assembly of air heating furnace shell |
| 12/11/2013 | CN203333688U Novel arranging device of top combustion hot blast stoves |
| 12/11/2013 | CN203333682U Device for preheating coke by gradient utilization of residual heat in waste smoke gas of hot air furnace |
| 12/04/2013 | CN203320043U Oxygen enrichment device for combustion air |
| 12/04/2013 | CN203320042U Grating plate device of checker brick hot-blast furnace |
| 12/04/2013 | CN203320041U Spherical heat accumulator |
| 12/04/2013 | CN103429762A Top-firing hot blast stove |
| 12/04/2013 | CN103429761A Top-combustion hot-blast furnace |
| 12/04/2013 | CN103421921A Valve body of hot blast valve |
| 12/04/2013 | CN103421920A Valve cover of hot blast valve |
| 12/04/2013 | CN103421919A Valve plate of hot blast valve |
| 12/04/2013 | CN103421918A Hot blast valve |
| 12/04/2013 | CN103421915A Construction mounting method for preventing large length deviation of straight blowing pipe of blast furnace air supply system |
| 11/27/2013 | CN203307365U Automatic blast control system of a fan system |
| 11/27/2013 | CN203307364U Automatic control system of blower |
| 11/27/2013 | CN203307363U Seven-hole lattice brick with center groove |
| 11/27/2013 | CN103415629A Hot-blast branch pipe structure of blast furnace hot stove and hot-blast branch pipe |
| 11/27/2013 | CN103409574A Security air system for preventing slag from entering blast furnaces |
| 11/27/2013 | CN103409573A Masonry structure of refractory material in hot-blast stove warm-air pipe ripple compensator |
| 11/27/2013 | CN102428192B Method for operating regenerative heater |
| 11/26/2013 | CA2566136C Heat exchanger |
| 11/20/2013 | CN203295542U Pressurizing bypass device |
| 11/20/2013 | CN203295541U Check valve of fan |
| 11/20/2013 | CN203295540U Lattice brick for hot blast stove |
| 11/20/2013 | CN203295539U Smoke waste heat generating system of blast furnace hot blast stove |
| 11/20/2013 | CN203295538U System for TRT (top pressure recovery turbine unit) electricity generation by blast furnace hot blast stove combustion exhaust gas heat source |
| 11/13/2013 | CN103392012A Method for heating a blast furnace stove |
| 11/13/2013 | CN103388039A Automatic preheating top combustion hot blast stove |
| 11/06/2013 | CN203269964U Block-free ring-shaped horizontal channel 37-hole checker brick |
| 11/06/2013 | CN203269963U Top-combustion type efficient air heating furnace |
| 10/30/2013 | CN102586526B Blast-furnace blast pre-cooling rotating-wheel dehumidification method |
| 10/23/2013 | EP2653567A1 Top-combustion hot-blast furnace |
| 10/23/2013 | EP2653566A1 Top-firing hot blast stove |
| 10/23/2013 | CN203247282U High-air-temperature hot-blast stove |
| 10/23/2013 | CN103361458A A humidity adjusting device for a blast furnace blast system |
| 10/16/2013 | CN203238292U Sealing plate for air preheater |
| 10/16/2013 | CN203238291U Grating plate device of hot-blast furnace |
| 10/16/2013 | CN203238290U Hot air pipe pull rod connecting device |
| 10/16/2013 | CN203238289U Hot-blast stove for combusting in preheating regenerator employing evenly distributed premixing nozzles in hedging and jetting manners |
| 10/16/2013 | CN103352095A Device and method for prolonging banking time of hot blast heater |
| 10/09/2013 | CN103343177A Method for obtaining high air temperature with low calorific value gas and high-temperature combustion air |
| 10/02/2013 | CN203222596U Top combustion stove |
| 10/02/2013 | CN203222595U Top-combustion type hot-blast stove provided with annular table face |
| 10/02/2013 | CN203222594U Top combustion type hot blast stove |
| 10/02/2013 | CN103333978A Top-burning hot-blast stove with cone-column composite vault structure |