| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 11/03/2011 | US20110265607 Process for the introduction of inorganic solids into hot liquid melts |
| 11/02/2011 | CN102230042A Control method for preventing blockage of coal injection branch pipes of distributor in blast furnace coal injection system |
| 11/02/2011 | CN102230041A Method for debugging oxygen-rich gas adjustment system and putting it into operation |
| 11/02/2011 | CN102230040A Ironmaking method |
| 11/02/2011 | CN101787403B Short process production technique for preparing casting of wind power generation equipment |
| 10/19/2011 | CN102220484A Application and method of laterite nickel ore for producing sinter |
| 10/19/2011 | CN102220444A Anti-blocking control system for coal spray branch pipes of distributor of coal spray system of blast furnace |
| 10/19/2011 | CN102220443A Device and method for top gas enrichment utilization of blast furnace |
| 10/19/2011 | CN102220442A Method for realizing opening of blast furnace or fast ignition during intermediate overhaul |
| 10/19/2011 | CN102220441A Detection and analysis method for use in blast-furnace smelting of high-titanium all vanadium titanium ore |
| 10/19/2011 | CN102220440A Vanadium-titanium magnetite blast furnace smelting method capable of improving vanadium yield |
| 10/12/2011 | EP1029889B1 Method of treating resin or organic compound, or waste plastics containing them |
| 10/12/2011 | CN202007237U Coal injection and pulverization flue gas system for blast furnace |
| 10/12/2011 | CN102212628A Spare pulverized coal supply method and system for blast furnace pulverized coal blowing |
| 10/11/2011 | US8034157 Method and device for charging feedstock |
| 10/05/2011 | EP2370602A1 Blast furnace iron production with integrated power generation |
| 10/05/2011 | CN102206744A Method for granulating sinter mixture |
| 10/05/2011 | CN102206719A Method for improving performance of furnace slag obtained by smelting vanadic titanomagnetite in blast furnace |
| 10/05/2011 | CN102206718A Furnace charge for vanadium-titanium magnetite blast furnace smelting, and blast furnace smelting method |
| 09/28/2011 | CN102203298A Method and device for operating a smelting reduction process |
| 09/22/2011 | WO2011116141A2 Clean steel production process using carbon-free renewable energy source |
| 09/21/2011 | EP1948833B1 Method for the operation of a shaft furnace |
| 09/21/2011 | CN201981213U 共用型高炉煤气余压回收二拖一trt装置 Shared-type blast furnace gas pressure recovery two drag a trt device |
| 09/21/2011 | CN102197147A Method for operating a blast furnace and blast furnace installation |
| 09/21/2011 | CN102191344A Hot delivery and hot charging process of blast furnace iron making raw material and device thereof |
| 09/21/2011 | CN101831517B Blast furnace coal gasification air heating furnace smelting method |
| 09/14/2011 | CN102183477A Method for simulation test of influence of alkali metal on coke degradation |
| 09/14/2011 | CN102183449A Method for measuring permeability index of front coke or carbocoal of COREX or blast-furnace tuyere |
| 09/14/2011 | CN102181626A Beneficiating method for ilmenite |
| 09/14/2011 | CN102181592A Bell-less blast furnace top distribution closed-loop control method based on multipoint radar data |
| 09/14/2011 | CN102181590A Slagging and antifoaming agent |
| 09/14/2011 | CN101538623B Process for manufacturing T/P91.92 fine-grained heat-resistant steel pipe |
| 09/09/2011 | WO2011108546A1 Blast furnace operation method, iron mill operation method, and method for utilizing a gas containing carbon oxides |
| 09/09/2011 | WO2011108466A1 Process for producing ferro coke for metallurgy |
| 09/07/2011 | CN201962304U 一种高炉顶压辅助控制装置 One kind of blast furnace top pressure auxiliary control unit |
| 09/07/2011 | CN102177256A Blast furnace operating method using carbon-containing unfired pellets |
| 09/07/2011 | CN102175042A Method for oven furnace or cold furnace ignition of heat-accumulating-type heating furnace totally adopting blast-furnace gas as fuel |
| 09/07/2011 | CN102174663A Blast-furnace coal injection pulverization flue gas system and control method thereof |
| 08/31/2011 | CN101792831B Automatic sweeping method for nitrogen replaced with gas in blast furnace gas energy recovery system pipe network |
| 08/24/2011 | CN101818219B Method for improving blast-furnace output and lowering blast-furnace coke ratio by increasing qualification rate of Tfe blending material pile |
| 08/17/2011 | CN102154532A Long-distance coal injection system |
| 08/17/2011 | CN101638701B Method for smelting liquid iron with carbon steel iron-containing dedusting ash |
| 08/16/2011 | US7998242 Method and apparatus for carrying out a metallurgical process |
| 08/10/2011 | CN201924030U 一种改进型高炉三机组 An improved blast three crew |
| 08/10/2011 | CN201924029U 一种高炉三机组 One kind of blast three crew |
| 08/10/2011 | CN201924027U 一种回收高炉煤气余热和余压能量的双透平机组 A process for recovering waste heat and blast furnace gas and pressure energy dual turbine unit |
| 08/04/2011 | DE102010034315A1 Monitoring metallurgical plant, which comprises wall having a hot side and a cold side, comprises facing hot good to be processed, and measuring the temperature in the wall in two different depths spaced-apart from the hot side |
| 08/03/2011 | EP2350324A1 Method for operating a blast furnace and blast furnace installation |
| 08/03/2011 | EP2350323A1 Method and device for operating a smelting reduction process |
| 08/03/2011 | CN101792866B Method for refining ferronickel by utilizing waste alumina-based nickel accelerant |
| 07/28/2011 | WO2011089617A1 Mixing drum for a blast furnace |
| 07/28/2011 | CA2787191A1 Mixing drum for a blast furnace |
| 07/27/2011 | CN101775450B Oxygen-coal ironmaking blowing device |
| 07/21/2011 | WO2011087036A1 Iron making method |
| 07/20/2011 | CN102127607A Pipeline for conveying granular coal |
| 07/20/2011 | CN101824503B Method for producing vanadiferous pigiron by adopting vanadiferous converter steel slag |
| 07/20/2011 | CN101812556B Method for increasing blast furnace output and reducing blast furnace coke ratio by enhancing qualification rate of SiO2 in blending stack |
| 07/20/2011 | CN101654738B Method for smelting chromated-nickel-containing molten iron by mixing iron scale and dedusting ash of stainless steel |
| 07/06/2011 | CN201890887U Oxygen enriched board-width flow adjusting supply device |
| 07/06/2011 | CN102115799A Method for injecting high-volatile bituminous coal into blast furnace |
| 07/06/2011 | CN102115798A Method for protecting blast furnace by injecting coal and spraying schreyerite powder |
| 07/06/2011 | CN101233211B Process for production of coke and process for production of pig iron |
| 06/29/2011 | CN101705317B Harmless process method for chrome slag by utilizing metallurgy sintering and blast furnace |
| 06/22/2011 | EP2336371A1 Blast furnace operating method using carbon-containing unfired pellets |
| 06/22/2011 | CN101792834B Automatic sweeping method for gas replaced with nitrogen in blast furnace gas energy recovery system pipe network |
| 06/22/2011 | CN101792833B Automatic sweeping method for nitrogen replaced with air in blast furnace gas energy recovery system pipe network |
| 06/22/2011 | CN101792832B Automatic sweeping method for air replaced with nitrogen in blast furnace gas energy recovery system pipe network |
| 06/22/2011 | CN101709369B Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods |
| 06/22/2011 | CN101705318B Full-automatic rise speed controlling method of blast furnace gas excess pressure energy recovering device |
| 06/22/2011 | CN101638698B Method for smelting vanadium-titanium magnetite by blast furnace |
| 06/22/2011 | CN101619386B Iron coke for blast furnaces, preparation method and application thereof |
| 06/16/2011 | US20110138965 Process and device for producing pig iron or liquid steel precursors |
| 06/08/2011 | CN101775449B Detoxification method of chromium-containing slag entering metallurgical blast furnace by using coal spraying process form |
| 06/03/2011 | WO2011063672A1 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
| 06/03/2011 | CA2773589A1 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof |
| 05/26/2011 | US20110120266 Method and system for energy-optimized and co2 emission-optimized iron production |
| 05/25/2011 | CN102071272A Method for blowing out blast furnace |
| 05/25/2011 | CN102071271A Blast-furnace ironmaking raw material hot delivery and hot charging process and equipment |
| 05/25/2011 | CN102071084A Coke passivating agent composition and preparation method thereof |
| 05/25/2011 | CN102071081A Passivated coke and preparation method thereof |
| 05/25/2011 | CN101613778B Intelligent extract method of edge temperature of blast furnace charge level temperature field |
| 05/25/2011 | CN101573456B Process for making pig iron in a blast furnace |
| 05/19/2011 | DE10103940B4 Vorrichtung zum Einspeisen von Gas in einen Kessel An apparatus for injecting gas into a vessel |
| 05/18/2011 | EP1616968B1 Method for producing improved coal for use in metallurgy |
| 05/18/2011 | CN102066583A Method of controlling a transformation process |
| 05/18/2011 | CN102061346A Method for improving metallurgical property of vanadium-titanium blast furnace slag |
| 05/11/2011 | CN102052565A Low-noise gas pressure-regulating device |
| 05/11/2011 | CN102051421A Blast furnace burden and blast furnace iron-making method adopting same |
| 05/11/2011 | CN101476001B Method for smelting medium titanium slag by blast furnace |
| 05/11/2011 | CN101448960B Method of integrating a blast furnace with an air gas separation unit |
| 05/05/2011 | WO2011052798A1 Method for operating blast furnace |
| 05/05/2011 | WO2011052796A1 Method for using biomass in blast furnace |
| 05/05/2011 | WO2011052795A1 Method for operating blast furnace |
| 05/04/2011 | CN201817500U 'J-shaped' sealing water pipe type blast furnace top pressure-equalizing bleeding device |
| 05/04/2011 | CN102046817A Method for manufacturing pig iron |
| 05/04/2011 | CN102046759A Method for producing pulverized coal |
| 05/04/2011 | CN102046758A Method for producing pulverized coal |
| 05/04/2011 | CN102041333A Blast furnace material loading process for realizing 3-grade or 4-grade charging of sinter ore |
| 05/04/2011 | CN102041332A Blowing-out descending stockline control method for blast furnace |
| 05/04/2011 | CN102041331A Method for smelting vanadium-titanium magnetite in blast furnace |