| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 05/04/2011 | CN102041330A Charging material control method of blast-furnace smelting vanadium-titanium magnetite |
| 05/04/2011 | CN101781692B Blast-furnace coal powder injection method and system thereof |
| 05/04/2011 | CN101604146B Control method of automatic control system for blast furnace feeding |
| 05/04/2011 | CN101476003B Alkali blast furnace blowing coal based direct reducer and production method thereof |
| 04/28/2011 | WO2011048045A1 Energy recovery from gases in a blast furnace plant |
| 04/27/2011 | CN201809368U Blast furnace coal gas cooling device |
| 04/27/2011 | CN102037304A Method for feeding pulverised coal into a blast furnace |
| 04/27/2011 | CN102037145A Method for melting raw iron while recirculating blast furnace gas by adding hydrocarbons |
| 04/27/2011 | CN102033551A Method for controlling equivalent of blended ore accumulation layer with stocker |
| 04/27/2011 | CN102031319A Method for forecasting silicon content in blast-furnace hot metal |
| 04/26/2011 | US7931732 Method and apparatus for carrying out a metallurgical process |
| 04/20/2011 | CN102021318A Magnesian self-fluxed pellet and preparation method thereof |
| 04/20/2011 | CN102021254A Distributed coordination control method of blast furnace system and pressure recovery turbine (TRT) device |
| 04/20/2011 | CN102021009A Coking additive |
| 04/20/2011 | CN101775452B Method for smelting ultra-low sulfur, silicon and titanium grey nodular cast iron by pig iron |
| 04/14/2011 | DE102009048961A1 Dosiervorrichtung, Dichtstromförderanlage und Verfahren zum Zuführen von staubförmigen Schüttgut Metering, dense phase conveying system and method for supplying powdery bulk |
| 04/14/2011 | DE102009048931A1 Dosieranlage, Dichtstromförderanlage und Verfahren zum Zuführen von staubförmigem Schüttgut Dosing, dense phase conveying system and method for supplying dusty bulk |
| 04/13/2011 | CN201793586U Charging material alkali metal melting load device of blast furnace |
| 04/13/2011 | CN102010922A Method for distributing raw materials with high zinc content in blast furnace with bell-less top |
| 04/13/2011 | CN102010921A Top pressure automatic control method for bell blast furnace top gas recovery turbine unit (TRT) |
| 04/13/2011 | CN102010920A Method for smelting bell-less top blast furnace high proportion pellet ore burden structure |
| 04/13/2011 | CN102010919A Process for blasting oxygen-enriched hot blast to blast furnace and device applied to same |
| 04/13/2011 | CN102010918A Environmental-friendly energy-saving blast-furnace oxygen ironmaking method |
| 03/30/2011 | EP2300562A1 Method for producing pulverized coal |
| 03/30/2011 | EP2300561A1 Method for producing pulverized coal |
| 03/30/2011 | CN201778079U Rapid heating furnace |
| 03/30/2011 | CN201778037U Pure oxygen magnesium spraying device for realizing fast blowing-in of blast furnace |
| 03/30/2011 | CN101993967A Insulating method of self-preheating hot blast furnace |
| 03/23/2011 | CN1596315B Raw material charging method for bell-less blast furnace |
| 03/23/2011 | CN101613800B Metallurgical composite pelletizing prepared through twice pelletizing method, as well as preparation method and application thereof |
| 03/23/2011 | CN101413038B Coal powder pure oxygen blast furnace ironmaking process and equipment thereof |
| 03/17/2011 | WO2011029269A1 Method for innocuously treating chromium residue using metallurgical roasting and blast furnace |
| 03/16/2011 | CN101985669A Method for automatically correcting differential-pressure compensation factors of weighing of top charging bucket |
| 03/10/2011 | WO2011027038A1 Method for reducing the carbon dioxide emissions of a blast furnace, and associated device |
| 03/10/2011 | WO2011026940A1 Recovery of energy from blast furnace gas in an expansion turbine |
| 03/10/2011 | CA2770947A1 Method for reducing the carbon dioxide emissions of a blast furnace, and associated device |
| 03/09/2011 | EP2291546A1 Method of controlling a transformation process |
| 02/24/2011 | WO2011021577A1 Unfired carbon-containing agglomerate for blast furnaces and production method therefor |
| 02/24/2011 | WO2011021560A1 Unfired carbon-containing agglomerate and production method therefor |
| 02/24/2011 | US20110041652 Method for producing pig iron |
| 02/24/2011 | DE112008003823T5 Methode für Eisenschmelzen im Hochofen mit Hochtemperatur-Kohlengas Method for melting iron in a blast furnace with high temperature coal gas |
| 02/23/2011 | EP2286166A1 Method for feeding pulverised coal into a blast furnace |
| 02/17/2011 | WO2011019086A1 Blast-furnace operation method |
| 02/17/2011 | US20110036203 Method of Iron Smelting in Blast Furnace with High Temperature Coal Gas |
| 02/16/2011 | CN101978235A Method and apparatus for separating blast furnace gas |
| 02/16/2011 | CN101978234A Separation method for blast furnace gas |
| 02/16/2011 | CN101978078A Method of separating blast furnace gas |
| 02/16/2011 | CN101974659A Air bag type pressure regulating device for material feeding operation of high-pressure smelting furnace |
| 02/16/2011 | CN101974658A Air bag type pressure regulating process for feeding of high-pressure smelting furnace |
| 02/16/2011 | CN101696459B Remote control method for measuring inlet coke pile tip in blast furnace |
| 02/10/2011 | US20110030842 Method and apparatus for carrying out a metallurgical process |
| 02/09/2011 | CN201737956U Recycling device for gas in blast-furnace charging and uniform-pressure diffusing process |
| 02/09/2011 | CN201737953U Ferriferous dust treatment device |
| 02/09/2011 | CN101967598A Ba-Fe alloy produced by blast furnace |
| 02/08/2011 | US7882992 Cellular wheel sluice |
| 02/02/2011 | EP1276911B1 A device for discharging dust from a dry dust collector of a blast furnace |
| 02/02/2011 | CN101962697A Oxygen coal spray gun nozzle combining device |
| 02/02/2011 | CN101962696A Method for blowing furnace washing agent by using air inlet of blast furnace |
| 02/02/2011 | CN101962695A Control method of intelligent supplying system of crude fuel on blast furnace groove |
| 01/27/2011 | WO2011009507A1 Method for treating waste gases, especially resulting from steel production |
| 01/26/2011 | EP2278031A1 Process for reforming exhaust gas from metallurgical furnace, process for cooling the exhaust gas, and apparatuses for both processes |
| 01/26/2011 | CN101956034A Blast-furnace ironmaking energy-saving novel process and equipment |
| 01/26/2011 | CN101671751B Quantification blow-in method for blast furnace |
| 01/26/2011 | CN101445845B Process for directly producing austenitic stainless steel by utilizing oxide nickel |
| 01/20/2011 | US20110011209 Method for producing molten iron |
| 01/19/2011 | CN201713526U Pulverized coal gun of blast furnace |
| 01/19/2011 | CN101948940A Efficient, safe and environment-friendly blasting device |
| 01/12/2011 | CN101942539A Method for smelting molten iron to form rerolled steel by oxygen blowing blast furnace |
| 01/12/2011 | CN101942537A On-line detection method of blast furnace slag quantity |
| 01/12/2011 | CN101942534A Proportioning method adopted during blow-in for large and medium maintenance of blast furnace |
| 01/12/2011 | CN101942533A Dried radial flow recovery unit of excessive pressure and residual heat in blast-furnace gas |
| 01/06/2011 | US20110000339 Method of producing steel with high manganese and low carbon content |
| 01/05/2011 | CN101935728A Method for producing upgraded coal for use in metallurgy and method for producing reduced metal and slag containing oxidized nonferrous metal using the coal |
| 01/05/2011 | CN101935727A Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal |
| 01/05/2011 | CN101935722A Control method of bypass valve of energy recovery device during abnormal full close of stator blade |
| 01/05/2011 | CN101935572A Composite additive for spraying coal into blast furnace |
| 01/05/2011 | CN101629220B Blast furnace blowing material formed by processing bituminous coal with low metamorphic grade through pyrogenation and carbonization |
| 12/29/2010 | EP2267170A1 Method of recycling used tires |
| 12/29/2010 | CN101462698B Industrial method for cyclic utilization of ironmaking production desulfurized gypsum and blast furnace gas |
| 12/22/2010 | CN201678685U On-line coal powder water content detection device for blast furnace pulverized coal injection milling system |
| 12/22/2010 | CN1771340B Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal |
| 12/22/2010 | CN101921910A Pellet prepared from high-phosphorus iron ore |
| 12/22/2010 | CN101921885A Ferrotitanium reducing material for maintaining blast furnace and preparation method thereof |
| 12/16/2010 | US20100313711 Method for the melting of pig iron with the recirculation of blast furnace gas and with the addition of hydrocarbons |
| 12/15/2010 | CN101914644A Blast furnace feeding material alkali metal fusion loading device and method thereof |
| 12/14/2010 | CA2520070C Method for producing upgraded coal for use in metallurgy and method for producing reduced metal and slag containing oxidized nonferrous metal using the coal |
| 12/08/2010 | EP2258996A1 Method for separating blast furnace gas |
| 12/08/2010 | EP2258879A1 Method of separating blast furnace gas |
| 12/08/2010 | CN101906533A Low-silicon magnesium-containing pellets and production method thereof |
| 12/08/2010 | CN101906494A Blast furnace material and blast furnace iron-making method |
| 12/08/2010 | CN101519703B Low-coke-ratio blast furnace ironmaking technique |
| 12/08/2010 | CN101463398B Blast furnace iron manufacturing process |
| 12/02/2010 | WO2010137748A1 Blast furnace operation method |
| 12/02/2010 | WO2010136306A1 Method for the simultaneous production of iron and a crude syngas containing co and h2 |
| 12/02/2010 | DE102009022510A1 Verfahren zur gleichzeitigen Herstellung von Eisen und eines CO und H2 enthaltenden Rohsynthesegases A process for the simultaneous production of iron and a raw synthesis gas containing CO and H2 |
| 12/02/2010 | CA2762373A1 Method for the simultaneous production of iron and a crude sythesis gas that contains co and h2 |
| 12/01/2010 | CN201660649U Preprocessing device for recycling iron-bearing dust |
| 12/01/2010 | CN101899564A Dressing and smelting process of magnetic iron ore with high manganese content, high sulfur content and high alkalinity |
| 12/01/2010 | CN101899539A Method for controlling overflow of blast furnace through by-pass valve of blast furnace gas energy recovery device |
| 12/01/2010 | CN101899538A Water and coal dust blowing process of blast furnace |