Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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07/21/2010 | CN101781692A Blast-furnace coal powder injection method and system thereof |
07/21/2010 | CN101457264B Blast furnace temperature optimization control method |
07/14/2010 | CN101775452A Method for smelting ultra-low sulfur, silicon and titanium grey nodular cast iron by pig iron |
07/14/2010 | CN101775451A Blast-furnace smelting method for vanadium titano-magnetite |
07/14/2010 | CN101775450A Oxygen-coal ironmaking blowing device |
07/14/2010 | CN101775449A Detoxification method of chromium-containing slag entering metallurgical blast furnace by using coal spraying process form |
07/14/2010 | CN101775448A Fault diagnosis and processing method under blast furnace trough |
07/07/2010 | CN101768648A Blast furnace top pressure control system adopting gas dry-method dust-removal device |
07/07/2010 | CN101768496A Composition for blast furnace coal powder injection and preparation method thereof |
07/07/2010 | CN101476004B Complete clean gas pressure equalizing method and system for blast furnace tank |
06/30/2010 | EP2202325A1 Method of operating vertical furnace |
06/30/2010 | CN101760573A Method for controlling pressure of blast furnace top by adopting gas dry dust removing device |
06/30/2010 | CN101328555B Mixing method of high quality low phosphor and sulfur high-alloy steel |
06/23/2010 | CN101755064A Ore-powder caking material for enhancing hot strength, pellet made with the same, and process for producing the same |
06/23/2010 | CN101748235A Metallurgical auxiliary material fluxing agent and preparation method thereof |
06/23/2010 | CN101746606A Gas recovery method for multi-tank positive pressure gas delivery system |
06/17/2010 | US20100146982 Blast furnace iron production with integrated power generation |
06/16/2010 | CN101737097A Power generation device and method of excessive pressure of furnace top of full-dry type blast furnace |
06/16/2010 | CN101736103A Iron manufacture technology |
06/10/2010 | WO2010065814A1 Blast furnace iron production with integrated power generation |
06/10/2010 | WO2010064727A1 Method of determining temperature of molten pig iron and method of operating blast furnace using same |
06/10/2010 | CA2743176A1 Blast furnace iron production with integrated power generation |
06/09/2010 | CN101724721A Process for producing molten hot molten iron |
06/02/2010 | CN201495234U Grading device at the front of sinter blast furnace groove |
06/02/2010 | CN101353708B Nickel iron smelting process with nickel oxide ore and stainless steel production wastes as raw materials |
05/26/2010 | EP2189547A1 Process for producing reduced iron pellets, and process for producing pig iron |
05/26/2010 | EP2189546A1 Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron |
05/26/2010 | CN201484956U Pulverized coal bunker for blast furnace pulverized coal injection |
05/26/2010 | CN101713005A Method for blowing-in operation of steel-making blast furnace |
05/20/2010 | US20100122607 Method and apparatus for carrying out a metallurgical process |
05/19/2010 | CN201475968U Rotary furnace zincum-containing dust recovery system horizontal exhaust-heat boiler |
05/19/2010 | CN101709369A Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods |
05/19/2010 | CN101709341A Method for treating iron-containing waste materials in iron and steel plant |
05/19/2010 | CN101709340A Single-bucket serial-bucket charging method applied to bell-free blast furnaces |
05/19/2010 | CN101016578B Molten steel purifying slag agent produced by blast furnace fusion method |
05/12/2010 | CN201461349U Oil pump automatic control system of blast furnace charging belt |
05/12/2010 | CN201459154U Novel heat exchanger capable of controlling blast furnace top gas temperature |
05/12/2010 | CN201454833U Sintering ore screening system below blast-furnace bath |
05/12/2010 | CN1730628B Coke passivator and its usage |
05/12/2010 | CN101705318A Full-automatic rise speed controlling method of blast furnace gas excess pressure energy recovering device |
05/12/2010 | CN101705317A Harmless process method for chrome slag by utilizing metallurgy sintering and blast furnace |
05/06/2010 | WO2010049536A1 Method for operating a blast furnace and blast furnace installation |
05/06/2010 | CA2739871A1 Method for operating a blast furnace and blast furnace installation |
05/05/2010 | CN101701312A Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials |
05/05/2010 | CN101701289A Method for intensifying limonite sintering |
04/29/2010 | WO2010046211A1 Method and device for operating a smelting reduction process |
04/29/2010 | CA2741607A1 Method and apparatus for operating a melt reduction process |
04/28/2010 | CN201442954U Novel blast furnace gas pressure relief valve group and noise-and-vibration-reduction complete set device |
04/28/2010 | CN1576379B Effective utilizing method for carbon resource |
04/21/2010 | CN101696459A Remote control method for measuring inlet coke pile tip in blast furnace |
04/21/2010 | CN101696458A Method for quantitative stock level-lowering and blowing out of blast furnace |
04/20/2010 | US7700035 Direct smelting plant and process |
04/15/2010 | WO2010041770A1 Blast furnace operating method using carbon-containing unfired pellets |
04/14/2010 | CN201437540U Blast furnace blowing coke oven gas system |
04/13/2010 | CA2323272C Stable idle procedure |
04/07/2010 | EP2171101A2 Shaft furnace and method for operating a furnace |
03/31/2010 | CN101688255A Shaft furnace and method for operating a furnace |
03/31/2010 | CN101688254A Self-fluxing pellet for blast furnace and method for producing the same |
03/24/2010 | CN101680042A Method for manufacturing molten iron comprising nickel |
03/18/2010 | US20100064855 Blast Furnace Iron Production with Integrated Power Generation |
03/17/2010 | CN101671751A Quantification blow-in method for blast furnace |
03/09/2010 | US7674315 techniques for re-introducing iron-rich mill scale back into the basic iron and/or steel process stream whereby valuable economic and environmental benefits may be obtained |
03/09/2010 | US7674314 Process for producing reduced metal and agglomerate with carbonaceous material incorporated therein |
03/04/2010 | DE102008045289A1 Use of waste materials to form briquettes which are used as a charge in a metallurgical process |
02/18/2010 | US20100037729 Blast furnace metallurgical coal substitute products and method |
02/17/2010 | CN201406440Y Blast furnace gas dry method dedusting heat pipe temperature rise and reduction device |
02/04/2010 | US20100024600 Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation |
02/03/2010 | CN101638698A Method for smelting vanadium-titanium magnetite by blast furnace |
01/27/2010 | CN201390757Y Recycling system of blast furnace gas excess pressure and heat energy |
01/27/2010 | CN201390756Y Blast furnace gas cyclone dewaterer |
01/27/2010 | CN100584959C High-titanium protection stove pellet ore and preparation thereof |
01/21/2010 | US20100011909 Method and device for producing pig-iron based stainless steel without using a supply of electrical energy |
01/21/2010 | US20100011908 Pressure control in direct smelting process |
01/20/2010 | CN201386106Y Blast furnace Bischoff system residual pressure energy recovery startup and control device |
01/20/2010 | CN100582246C Blast-furnace coke colloid composite anticatalyst and spraying device |
01/13/2010 | CN100580094C Very long distance concentrated phase conveying process for coal fines |
01/12/2010 | US7645319 Method for renovating a combined blast furnace and air/gas separation unit system |
01/06/2010 | CN100577821C Decarburization refining method of chromium-containing molten steel |
01/06/2010 | CN100577818C Nickel iron blast furnace smelting process with nickel oxide ore as raw material |
12/30/2009 | CN201373679Y High-efficient and clean gas cooling device |
12/30/2009 | CN100575502C Prediction of cavity size in the packed bed systems using new correlations and mathematical model |
12/16/2009 | CN201362723Y Blast furnace charging bucket full clean gas pressure equalizing system |
12/16/2009 | CN101604146A Automatic control system for blast furnace feeding |
12/16/2009 | CN101603104A Method for separating, reclaiming and recycling CO2 in gas of blast furnace and converter |
12/16/2009 | CN101603103A Pure reduction blast furnace iron making method |
12/16/2009 | CN100569965C Binding agent for normal temperature pelletized and cured iron-containing mud cold-cured pellet |
12/10/2009 | WO2009147153A1 Method for producing pulverized coal |
12/10/2009 | WO2009147151A1 Method for producing pulverized coal |
12/10/2009 | WO2009146994A1 Method of controlling a transformation process |
12/10/2009 | CA2731885A1 Method for producing pulverized coal |
12/10/2009 | CA2726962A1 Method of controlling a transformation process |
12/10/2009 | CA2725276A1 Method for producing pulverized coal |
12/09/2009 | EP1994185B1 METHOD and APPARATUS OF INTEGRATING A BLAST FURNACE WITH AN AIR GAS SEPARATION UNIT |
12/09/2009 | CN201358258Y Coal dust distributor used for blast furnace injection |
12/09/2009 | CN101597659A Test method and device for simulating the circulating enrichment discipline of alkali metal in blast furnace |
12/09/2009 | CN100567510C Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
12/09/2009 | CN100566798C Dust-containing gas treatment method for dry method dedusting system |
12/03/2009 | WO2009145348A1 Method for manufacturing pig iron |
11/26/2009 | WO2009141419A1 Method for feeding pulverised coal into a blast furnace |
11/26/2009 | CA2721723A1 Method for feeding pulverised coal into a blast furnace |