| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 01/16/2013 | EP2546366A1 Shaft furnace and method for operating same |
| 01/16/2013 | CN202674333U Self-closing ball valve |
| 01/16/2013 | CN102876824A Method for guaranteeing high blast temperature by using blast furnace gas |
| 01/16/2013 | CN102876823A Method for computing degree of direct reduction and gas utilization rate of blast furnace under condition of high-reactivity coke |
| 01/16/2013 | CN102876822A Blast furnace operation closed-loop control system |
| 01/09/2013 | EP2543743A1 Blast furnace operation method, iron mill operation method, and method for utilizing a gas containing carbon oxides |
| 01/09/2013 | EP2543716A1 Process for producing ferro coke for metallurgy |
| 01/09/2013 | CN202658174U Crusher for dead zone of blast furnace |
| 01/09/2013 | CN102864262A Pressure-equalizing gas recovery device having U-shaped water seal and using blast furnace backwater |
| 01/09/2013 | CN102864259A U-shaped water seal pressure equalizing coal gas recovering method using blast furnace backwater |
| 01/09/2013 | CN102864258A Method or improving properties of blast furnace slag |
| 01/09/2013 | CN102864257A Pressure-equalizing and bleeding method for injecting furnace roof tank coal gas by using high-pressure gas |
| 01/09/2013 | CN102864250A Slag high-heat-strength blast-furnace magnesium filler |
| 01/09/2013 | CN102261664B Novel blast furnace gas diffusion and automatic ignition system |
| 01/09/2013 | CN102183477B Method for simulation test of influence of alkali metal on coke degradation |
| 01/09/2013 | CN102183449B Method for measuring permeability index of front coke or carbocoal of COREX or blast-furnace tuyere |
| 01/08/2013 | US8349759 Metal-carbon compositions |
| 01/02/2013 | CN202643715U Gas steam combined cycle power generation process waste heat utilization system |
| 01/02/2013 | CN102851420A Steelmaking residual heat step recycling method |
| 01/02/2013 | CN102851419A 高炉上料控制系统 Blast furnace control system |
| 01/02/2013 | CN102851418A Method for cold consolidation briquetting and briquette blast furnace coking-free smelting |
| 01/02/2013 | CN102851417A Method, device and system for controlling mass stability of dry-basis coke charged into blast furnace |
| 01/02/2013 | CN102851099A Method for manufacturing raw material coal for manufacturing coke, method for manufacturing coke and pig iron |
| 01/02/2013 | CN102268496B Method and device for intensifying combustion of injected pulverized coal in tuyere of blast furnace |
| 12/26/2012 | CN202630623U Granulating slag drying unit for blast furnace |
| 12/26/2012 | CN202626218U Spraying gun for spraying and blowing waste plastic pyrolysis gas premixed coal dust |
| 12/26/2012 | CN202626214U Spray gun for injecting waste plastic pyrolysis gas premixing pulverized coal |
| 12/26/2012 | CN102839248A Online detection device and detection method of blast furnace swinging chute |
| 12/26/2012 | CN102839241A Method for feeding titanium fine powder serviced as furnace protecting agent of blast furnace into furnace through injection system |
| 12/19/2012 | CN202610251U Bucket weighing differential pressure compensation device for series-bucket bell-less furnace top |
| 12/19/2012 | CN202610241U Blower tail gas energy recovery on-line linkage device |
| 12/19/2012 | CN102827974A Blast furnace material-proportioning and material-loading method |
| 12/19/2012 | CN102827973A Method for adjusting and controlling initial state of blast furnace ring-shaped material distributing chute |
| 12/19/2012 | CN102827972A Blast furnace spray-blow coal technology using semi-coke of iron works |
| 12/19/2012 | CN102827971A Blast furnace combined injection process of coke oven gas and coal dust |
| 12/13/2012 | US20120312125 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
| 12/12/2012 | CN202599078U Device for adjusting coal gas in shaft furnace |
| 12/12/2012 | CN202598569U Secondary air supply adjustment device for injection main pipe of coal powder injection system |
| 12/12/2012 | CN202595161U Blast furnace top gas recovery system |
| 12/12/2012 | CN202595160U Coal powder nozzle |
| 12/12/2012 | CN202591108U Mineral aggregate screening and conveying production line |
| 12/12/2012 | CN102816882A Recovery apparatus for exhaust pressure gas |
| 12/12/2012 | CN102816881A Switching method for double-concentrated hopper under blast furnace tank |
| 12/12/2012 | CN102816880A Ironmaking and aluminum extraction comprehensive utilization method of high-iron red mud |
| 12/12/2012 | CN102816879A Burden distribution method for bucket string-type bell-free blast furnace |
| 12/12/2012 | CN101490282B Pulverized coal injection lance |
| 12/06/2012 | WO2012163628A1 Reduction of metal oxides using a gas stream containing both hydrocarbon and hydrogen |
| 12/06/2012 | DE102012103996A1 Operating a shaft furnace, comprises melting a raw material in the shaft furnace under the effect of atmosphere prevailing in the furnace, and introducing a treatment gas such as oxygen into the furnace |
| 12/06/2012 | CA2837611A1 Reduction of metal oxides using a gas stream containing both hydrocarbon and hydrogen |
| 12/05/2012 | CN202581787U Afterburning device for low-temperature waste heat power generation |
| 12/05/2012 | CN202576450U Device for declining charge level by hollow stockline thrashing |
| 12/05/2012 | CN202576449U Coal dust conveying and preheating process apparatus in coal injection process of blast furnace |
| 12/05/2012 | CN202575416U Pneumatic transmission and blast furnace injection device for coke oven fly ash |
| 12/05/2012 | CN202570326U Coal coke powder crushing and screening system |
| 12/05/2012 | CN102808079A Thermosetting red mud block and preparation method thereof |
| 12/05/2012 | CN102808056A Oxygen-enriched dry gas supply process for blast furnace iron-making |
| 12/05/2012 | CN102808053A Oxygen-rich dry gas supply device for blast furnace iron-making |
| 12/05/2012 | CN102808052A Method for measuring deformation condition of bulk material interfacial effect of material distribution model of blast furnace |
| 11/28/2012 | EP2526210A1 Mixing drum for a blast furnace |
| 11/28/2012 | CN102803518A Mixing drum for a blast furnace |
| 11/28/2012 | CN102799120A Feed preparation control method for blast furnace under-groove feeding system based on multi-pointer query |
| 11/28/2012 | CN102796835A Charge level monitoring method based on data fusion of measured data and cloth model and charge level monitoring system |
| 11/28/2012 | CN102796834A Control method of sounding rod to follow up charge level |
| 11/27/2012 | US8317897 Method for supersonically injecting oxygen into a furnace |
| 11/22/2012 | WO2012158221A1 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 11/22/2012 | WO2012158178A1 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 11/22/2012 | CA2835386A1 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 11/22/2012 | CA2835380A1 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 11/21/2012 | CN202544938U Protector for preventing gas leak of drainage system of blast furnace gas residual pressure generating device |
| 11/21/2012 | CN102787191A System and process for pulverized coal injection of blast furnace |
| 11/21/2012 | CN102787190A Antioxidant titanium carbide material and preparation method of antioxidant titanium carbide material |
| 11/21/2012 | CN102787189A Method for weighing stable material empty of blast furnace charging bucket by electronic scale |
| 11/21/2012 | CN102787188A Process for smelting vanadium-containing pig iron by high-silicon vanadium titanomagnetite concentrate powder |
| 11/21/2012 | CN102071272B Method for blowing out blast furnace |
| 11/14/2012 | CN102782161A Blast furnace operation method, iron mill operation method, and method for utilizing a gas containing carbon oxides |
| 11/14/2012 | CN102782095A Process for producing ferro coke for metallurgy |
| 11/14/2012 | CN102776360A Production method for coating-protected pre-reduced sinter |
| 11/14/2012 | CN102776304A Blast oxygen enrichment energy-saving technology and device for blast furnace |
| 11/14/2012 | CN102776303A Method for estimating inner surface temperature of blast furnaces |
| 11/07/2012 | CN102766763A Manufacturing method of magnesian pellets |
| 11/07/2012 | CN102766708A Blast furnace batching system with material variety precedence matrix |
| 11/07/2012 | CN102242254B High sulfide pyrite pellet reinforced roasting consolidation technology |
| 10/31/2012 | CN202509094U Gas spread tower anti-leakage control device |
| 10/31/2012 | CN102758048A Joint production process of crude fuel hot charging and total heat oxygen blast furnace and vertical furnace |
| 10/31/2012 | CN102758047A Process for joint production of total-heat-oxygen blast furnace and shaft furnace |
| 10/31/2012 | CN102758043A Method for evaluating material distribution uniformity of bell-less blast furnace |
| 10/31/2012 | CN102758038A Full-hot-oxygen blast furnace/shaft furnace combined production system |
| 10/31/2012 | CN102758037A Joint production system of crude fuel hot charging and total heat oxygen blast furnace and vertical furnace |
| 10/31/2012 | CN102758035A Spraying gun and spraying method for blowing waste plastic pyrolysis gas and premixed coal powder |
| 10/31/2012 | CN102758034A Feeding control method of additives of feeding system of blast furnace groove |
| 10/31/2012 | CN102758033A Spray gun used for blowing waste plastic pyrolysis gas premixed pulverized coal and blowing method |
| 10/31/2012 | CN102758032A Method for real-time predication of blast furnace pipeline fault probability |
| 10/30/2012 | US8298316 Method for producing pig iron |
| 10/24/2012 | CN202498022U System for screening and recycling blast furnace return ore |
| 10/24/2012 | CN102746915A Mixed pulverized coal suitable for blast furnace spraying and blowing |
| 10/17/2012 | CN202492529U Blast furnace gas drying cloth bag dust removal device |
| 10/17/2012 | CN102732656A Method for cleaning blockage of bell-less furnace top pressure equalizing relief pipeline of blast furnace |
| 10/17/2012 | CN102732655A Blast furnace ironmaking method |
| 10/16/2012 | US8287620 Method for the melting of pig iron with the recirculation of blast furnace gas and with the addition of hydrocarbons |
| 10/10/2012 | CN102722652A Blast furnace smelting cost calculating and optimizing method |