| Patents for C21B 5 - Making pig-iron in the blast furnace (3,135) |
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| 11/24/2005 | WO2005026395A3 Method for producing cast iron using blast-furnace gases for enhanced oil recovery |
| 11/24/2005 | DE102004054065A1 Method for pig iron production in a blast furnace with low coke consumption using a high carbon content containing reducing agent |
| 11/24/2005 | DE102004036767B4 Verfahren zur Roheisenerzeugung in einem mit Sauerstoff und rückgeführtem, vom CO2 befreiten Gichtgas unter Zusatz von Kohlenwasserstoffen betriebenen Hochofen Process for the production of pig iron in a powered with oxygen and recirculated, freed from CO2 blast furnace gas, with the addition of hydrocarbons blast furnace |
| 11/23/2005 | EP1597413A1 A non-corrosive treatment to enhance pressurized and non-pressurized pulverized coal combustion |
| 11/22/2005 | CA2118262C Process for feeding a second stream of pulverulent materials into a pneumatic conveying line carrying a first controllable flow of pulverulent materials |
| 11/16/2005 | CN1227369C Blast furnace with narrowed top section and method of using |
| 11/09/2005 | EP1252341B1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 11/09/2005 | CN1226424C Blowing method for blowing synthetic resin into furnace |
| 11/03/2005 | WO2005040433A3 Direct smelting plant and process |
| 10/27/2005 | DE10356480B4 Verfahren und Vorrichtung zur pneumatischen Förderung von Feststoffen Method and apparatus for pneumatic conveying of solids |
| 10/26/2005 | CN1224720C Blast furnace smelt controlling method with intelligent control system |
| 10/19/2005 | CN2734765Y Double-step jet-flow radiation radiator of air preheating furnace |
| 10/19/2005 | CN1223658C Cold press braise ball and its application |
| 10/12/2005 | CN1680607A Method for optimizing poor coal for blast furnace injection |
| 10/12/2005 | CN1222625C Method for using low temperature rectification combination blast furnace and direct reduction reactor |
| 10/11/2005 | CA2135568C Combined installation for the production of metal and the separation of gas from air |
| 10/05/2005 | CN1676615A Furnance top pressure control method based on resistance coefficient equivalent |
| 09/28/2005 | CN2729078Y Gas temp heightening apparatus |
| 09/28/2005 | CN1220782C Mini-pelletized sinter produced by sludge containing ferrum and production process thereof and special shaft furnace |
| 09/15/2005 | WO2005085727A2 Method for renovating a combined blast furnace and air/gas separation unit system |
| 09/07/2005 | CN1664116A Iron making process in blast furnace and additives therefor |
| 09/07/2005 | CN1664115A Intensification smelting technology in blast furnace at superhigh utilization coefficient |
| 08/31/2005 | CN1662665A Method to improve iron production rate in a blast furnace |
| 08/31/2005 | CN1217015C Stable furnace shutting down process |
| 08/31/2005 | CN1217011C Control method for stopping power generation system operated by using excess pressure of blast furnace gas and relevant software |
| 08/25/2005 | WO2005078146A1 A zinc refining process with oxygen-enriched and the enclosed smelting furnace thereof |
| 08/25/2005 | DE102004001965A1 Zellenradschleuse Feeder |
| 08/24/2005 | CN2719852Y Dry dust-collecting device with diffusion function |
| 08/24/2005 | CN1657636A Agglomerate surface additive for ironmaking |
| 08/24/2005 | CN1216155C Automatic control method of blast-furnace top pressure stability for blast-furnace gas top pressure power generation apparatus |
| 08/24/2005 | CN1216154C Blast furnace iron-making technique with hydrogen-rich fuel gas, pure oxygen and high efficiency and low CO2 exhaust |
| 08/17/2005 | CN2717965Y Gas diffuse pipe with injecting tube |
| 08/17/2005 | CN1654684A Smelting method for total vanadium and titanium magnetite in blast furnace |
| 08/11/2005 | WO2005054088A3 Method and device for the pneumatic transport of solid matter |
| 07/28/2005 | WO2005068910A1 Cellular wheel sluice |
| 07/27/2005 | CN1644720A Oxygen-enriched zinc smelting method |
| 07/21/2005 | DE10358450B4 Verfahren zur Erzeugung von Metall aus Metallerzen A process for producing metal from metal ores |
| 07/19/2005 | US6918944 Reducing iron oxide to iron; kneading, forming, curing |
| 07/07/2005 | DE10356480A1 Verfahren und Vorrichtung zur pneumatischen Förderung von Feststoffen Method and apparatus for pneumatic conveying of solids |
| 06/29/2005 | CN1632136A Method for reclaiming and reusing iron-making dust in blast furnace |
| 06/29/2005 | CN1632135A Use of cleaned coal or semi coke in preparation of coal base carburant |
| 06/29/2005 | CN1208476C Method and device for producing fixed bed |
| 06/23/2005 | WO2005014867A3 Use of tio2 residues from a sulfate method |
| 06/22/2005 | CN1207399C Intelligent blast furnace smelt controlling system |
| 06/22/2005 | CN1207397C Process for treating steel slag by using self grinding technology |
| 06/16/2005 | WO2005054088A2 Method and device for the pneumatic transport of solid matter |
| 06/16/2005 | US20050126343 Blast furnaces ; mixing iron ore, flux and water; controlling particle size distribution; pressing |
| 06/16/2005 | US20050126342 Method to improve iron production rate in a blast furnace |
| 06/15/2005 | CN1206369C Method for producing pozzolanic binders for cement industry from steel slags using reduction metal bath |
| 06/09/2005 | DE10351686A1 Verfahren zum Einbringen von anorganischen Festkörpern in heiße, flüssige Schmelzen A method of introducing inorganic solids in hot liquid melting |
| 06/01/2005 | CN1621535A Method for maintenance and fettling of blast furnace by using low titanium pellet |
| 06/01/2005 | CN1204269C Heat storage honeycomb type high temp wind generator |
| 05/25/2005 | DE10323902B4 Brennstoffgemisch zur Zuführung in Blasformen bei der Roheisenerzeugung im Hochofen und Verfahren zur Herstellung und Zuführung des Brennstoffgemisches Fuel mixture for feeding in blow molding in the production of pig iron in a blast furnace and methods of making and supplying the fuel mixture |
| 05/25/2005 | CN1620587A Integrated process and installation for the separation of air fed by compressed air from several compressors |
| 05/25/2005 | CN1203190C Method and device for prdoucing pig iron or liquid steel intermediate from charge materials containing iron ore |
| 05/19/2005 | WO2005045077A1 Method for the introduction of inorganic solid bodies into hot liquid melts |
| 05/11/2005 | CN1615370A Method for producing low silicon hot-metal |
| 05/11/2005 | CN1614034A Blowing energy recovering method for blast furnace |
| 05/06/2005 | WO2005040433A2 Direct smelting plant and process |
| 05/06/2005 | CA2541893A1 Direct smelting plant and process |
| 04/27/2005 | EP1525374A2 Work recovery from process involving steam generation |
| 04/27/2005 | CN1198868C Method of treating waste plastic containing resin or organic compound them |
| 04/13/2005 | CN2692158Y Blast furnace top pressure stability control testing device of blast furnace coal gas residual pressure power generating device |
| 03/30/2005 | CN1602363A Method for producing titanium oxide containing slag |
| 03/30/2005 | CN1195073C Oxygen supplying flow of oxygen-rich coal injection in blast furnace iron making |
| 03/24/2005 | WO2005026395A2 Method for producing cast iron using blast-furnace gases for enhanced oil recovery |
| 03/23/2005 | CN1597995A Method and apparatus for raising temp. of gas in furnace |
| 03/16/2005 | CN2685345Y Blast furnace coal powder injection powder making fumes circulating system |
| 03/16/2005 | CN1596315A Raw material charging method for bell-less blast furnace |
| 03/16/2005 | CN1594602A Coal powder injection technological process for blast furnace and special pulverized coal feeder thereof |
| 03/16/2005 | CN1594601A Method for stabilizing blast furnace operation based on equilibrium point |
| 03/10/2005 | WO2004101829A3 Method and apparatus for improved use of primary energy sources in integrated steel plants |
| 03/10/2005 | US20050050996 Blast furnaces; mixing iron ore, flux and water; controlling particle size; pressing |
| 03/03/2005 | WO2002090726A3 Work recovery from process involving steam generation |
| 03/03/2005 | DE102004036767A1 Production of pig iron comprises subjecting top gas recycled from blast furnace process to absorptive or adsorptive process to remove carbon dioxide, and further processing |
| 02/24/2005 | DE10336650A1 Verwendung von TiO2-Rückständen aus dem Sulfatverfahren Use of TiO2 residues from the sulphate process |
| 02/22/2005 | US6858061 Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore |
| 02/17/2005 | WO2005014867A2 Use of tio2 residues from a sulfate method |
| 02/16/2005 | CN1580291A Method for increasing breathability of stock column for blast furnace |
| 02/10/2005 | US20050028643 Heating with reducing agents to reduce iron oxide to iron |
| 02/09/2005 | EP1504128A1 Method to improve iron production rate in a blast furnace. |
| 02/09/2005 | CN2677385Y Tubular blast furnace gas dewaterer |
| 02/09/2005 | CN1576379A Effective utilizing method for carbon resource |
| 02/09/2005 | CN1188532C Method for reprocessing dust or dust mixtures |
| 02/03/2005 | WO2005010218A1 Prediction of cavity size in the packed bed systems using new correlations and mathematical model |
| 02/03/2005 | US20050027493 Prediction of cavity size in the packed bed systems using new correlations and mathematical model |
| 01/26/2005 | CN1570152A High wind temperature obtaining method using pure blast furnace gas combustion |
| 01/25/2005 | US6847804 Apparatus and method for testing micropower short-wave frequency-modulated digital radio |
| 01/18/2005 | US6843828 Method for treating slags or slag mixtures on an iron bath |
| 01/12/2005 | EP1017619A4 Oxygen-fuel boost reformer process and apparatus |
| 01/12/2005 | CN1564874A Iron ore briquetting |
| 01/12/2005 | CN1563441A Manufacturing technqiue for enriching iron through modifying hematite |
| 01/12/2005 | CN1563432A Technique for producing casting pieces through continuous casting iron liquid from blast furnace |
| 01/12/2005 | CN1562755A Technique of calcium aluminate dregs for producing pig iron and extracting alumina from complex ore of iron and aluminium |
| 01/05/2005 | DE10323902A1 Brennstoffsystem zur Zuführung in Blasformen bei der Roheisenerzeugung im Hochofen und Verfahren und Anlage zur Herstellung und Zuführung des Brennstoffsystems Fuel system for feeding in blow molding in the production of pig iron in a blast furnace and method and apparatus for manufacturing and supply of fuel system |
| 01/05/2005 | CN1561400A Iron ore briquetting |
| 01/05/2005 | CN1560284A Method of smelting iron by coke powder |
| 12/29/2004 | EP1491641A1 Method for operating a blast furnace |
| 12/29/2004 | CN1557976A Furnace protecting acid pellet and production technology thereof |
| 12/15/2004 | CN1180197C Method for reburning reducing oxynitride based on coal |