Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 13 - Making spongy iron or liquid steel, by direct processes
Patents for C21B 13 - Making spongy iron or liquid steel, by direct processes (6,991)
07/2012
07/25/2012CN102002546B Iron-containing material suspending and reducing device and process
07/25/2012CN101736161B Method for comprehensively recovering tin smelting secondary raw materials by melting in DC furnace
07/19/2012WO2012094707A1 Production of ferro-alloys
07/18/2012CN102589295A Material pouring machine for sponge iron loading and unloading tank
07/18/2012CN102589285A Slag discharge device of water seal tank of rotary hearth furnace
07/18/2012CN102586618A Process of smelting iron pyrite
07/18/2012CN102586593A Smelting and reduction block mass prepared by pulverized coal and dust and preparation method thereof
07/18/2012CN102586533A Double-layer furnace burden radial equal thickness burden distribution machine for rotary hearth furnace and design method of burden distribution curve of double-layer furnace burden radial equal thickness burden distribution machine for rotary hearth furnace
07/18/2012CN102586532A Direct reduction iron cooling device
07/18/2012CN102586531A Method for producing molten iron by using powered mine and non-coking coal
07/18/2012CN102586530A Method for producing sponge iron by using coke-oven gas
07/18/2012CN102586529A Rotary hearth furnace iron-making method utilizing biomass carbon-containing pellet to serve as raw material
07/18/2012CN101713008B Method and device for extracting iron from melted reduced nickel slag
07/18/2012CN101688261B Improvements in the production of ferro-alloys
07/17/2012CA2681227C Method and system for the supply of hot direct reduced iron for multiple uses
07/11/2012EP2038434B1 Direct smelting vessel and cooler therefor
07/11/2012CN102575305A Molten metal producing device
07/11/2012CN102575304A Apparatus and method for manufacturing reduced iron
07/11/2012CN102559981A Iron making method and device by virtue of gas-based smelting reduction
07/11/2012CN102559980A Method for producing sponge iron by using blast furnace gas
07/11/2012CN102559979A Process method for producing reduced iron from red mud
07/11/2012CN102559978A Method for producing sponge iron by electric heating and system thereof
07/11/2012CN102559977A Novel production method of granular iron
07/11/2012CN102559976A Preparing method for direct reduced iron using low grade high phosphorus iron ore as raw materials
07/10/2012US8216508 Method for preparing a metallic article having an other additive constituent, without any melting
07/10/2012US8215375 Continuous casting plant having at least one multifunction robot
07/10/2012CA2640538C Apparatus for manufacturing molten iron
07/05/2012WO2012091437A2 Integrated steel manufacturing system and method for integrated steel manufacturing
07/05/2012WO2012091422A2 Device for manufacturing reduced iron using nuclear reactor and method for manufacturing reduced iron using same
07/05/2012WO2012091414A2 Device for manufacturing reduced iron using syngas and method for manufacturing reduced iron using same
07/05/2012WO2012091265A1 Apparatus and method for manufacturing reduced iron
07/05/2012US20120167714 Systems and Methods for Recycling Steelmaking Converter Sludge
07/04/2012CN202297651U 节能环保还原转炉 Energy saving reduction converter
07/04/2012CN202297650U 一种生产海绵铁的装置 An apparatus for producing sponge iron
07/04/2012CN102549172A Molten metal producing device
07/04/2012CN102534264A Technique for producing and reducing ilmenite in industrial microwave kiln
07/04/2012CN102534087A Method for preparing metallized pellets by utilizing stannum-zinc-arsenic-contained complex iron ore
07/04/2012CN102534086A Method for preparing high-grade metallic iron and titanium-rich slag with titanium concentrate as raw material
07/04/2012CN101935729B Top loading process for iron-smelting process furnace
07/04/2012CN101921888B Production method of direct reduced iron and reduction roasting device
07/04/2012CN101619371B Method for recovering vanadium, titanium and iron from vanadium titanium magnetite
07/03/2012CA2521689C Direct smelting plant and process
06/2012
06/28/2012US20120160060 Use of bimodal carbon distribution in compacts for producing metallic iron nodules
06/27/2012EP2132344B1 Method and apparatus for the supply of hot direct reduced iron for multiple uses
06/27/2012CN102515219A Slag-free production process for extracting aluminum oxide and reduced iron by using bauxite one-step method
06/27/2012CN101892339B Melting reduction device and method
06/26/2012CA2635544C Method for manufacturing molten irons and apparatus for manufacturing molten irons
06/21/2012WO2012082966A1 Method and system for producing direct reduced iron and/or hot metal using brown coal
06/20/2012CN202279831U High blast temperature swirl injection perturbation smelting reduction and pre-reduction integrated device
06/20/2012CN102510906A Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead
06/20/2012CN102505061A Method for preparing titanium-rich materials and granular irons by directly reducing titanic iron ore
06/20/2012CN102505059A Sludge based green reducing agent and use method thereof
06/20/2012CN102503528A Preparation method of red mud iron reduction furnace slag light foamed ceramic and iron reduction furnace
06/20/2012CN102503133A Method for preparing red mud reduced slag hollow glass bead plate and iron reduction furnace
06/20/2012CN102503132A Method for preparing red mud iron reducing slag tile and iron reducing furnace
06/20/2012CN102503112A Method for preparing red mud iron reduction furnace slag cellucotton and iron reduction furnace
06/20/2012CN101886154B Method for preparing low-copper molten iron by mixed melting reduction of copper slag and iron ore
06/13/2012EP2321437B1 Process for producing agglomerates of finely particulate iron carriers
06/13/2012CN102492797A Process for producing sponge iron and reduced iron powder sponge iron and charging apparatus
06/13/2012CN101798610B Method and device using coal to directly reduce iron
06/06/2012EP2459755A2 Method for producing direct reduced iron with limited co2 emissions
06/06/2012EP2459754A1 Reformed gas-based reduction method with return of the waste reduction gases and decarbonisation of the waste gas component used as combustion gas for the reformer
06/06/2012CN101805812B Method for refining metal and preparing building material from mineral
05/2012
05/30/2012EP2458021A1 Apparatus and method for producing reduced iron using alkali-containing iron production dust as the raw material
05/30/2012EP2458020A1 Carbon composite briquette for producing reduced iron and method for producing reduced iron employing the same
05/30/2012EP2102372B1 Method and apparatus for treating return ores using plasma
05/30/2012CN202246729U Iron ore powder container for industrially producing reduced iron through coal-based method
05/30/2012CN1754003B An apparatus for manufacturing moltens irons to improve operation of fluidized bed type reduction apparatus and manufacturing method using the same
05/30/2012CN1688721B Metallurgical vessel
05/30/2012CN101827950B Process for producing pre-reduced iron
05/30/2012CN101638703B Method for directly reducing nickel containing pig iron by lateritic nickel in tunnel kiln
05/29/2012US8187359 Granulated metallic iron superior in rust resistance and method for producing the same
05/24/2012WO2012067462A2 Apparatus for manufacturing molten iron and method for manufacturing molten iron using same
05/24/2012WO2012066899A1 Production method for reduced iron
05/24/2012US20120125157 Method for producing direct reduced iron with limited co2 emissions
05/24/2012US20120125151 Integrated steel plant with production of hot or cold dri
05/23/2012CN102471813A 以含碱炼铁粉尘为原料的还原铁的制造装置和制造方法 In the manufacturing apparatus and manufacturing method of the alkali iron dust of reduced iron as a raw material
05/23/2012CN102471812A 制造还原铁用含碳球团和使用它的制造还原铁方法 Carbonaceous manufacturing reduced iron pellets and reduced iron using its manufacturing method
05/23/2012CN102471811A 基于转化炉气的具有降低的NO<sub>x</sub>排放的还原方法 Based NO <sub> reduction method x </ sub> emissions reformer gas having reduced
05/23/2012CN102471810A 基于重整气体的还原方法，其中返回还原废气并对用作重整器的燃烧气体的废气组分脱碳 The reduction method based on exhaust gas components decarburization reformed gas, wherein the reducing gas is returned and used as a reformer combustion gas
05/23/2012CN102080135B Method for reducing and separating gravel iron from refractory ores, complex ores or iron-containing chemical industry tailings
05/23/2012CN101984080B Process and device for separating iron and aluminum silica slag from red mud and removing alkali metal
05/23/2012CN101984079B Dephosphorization and iron-increasing method of high phosphorus hematite by direct reduction
05/23/2012CN101956035B Iron-containing material slag bath smelting reduction steelmaking technical method and device
05/23/2012CN101838743B Method for recovering ferrum, vanadium, chromium and gallium from vanadium extraction tailings
05/22/2012US8182575 Producing method of direct reduced iron
05/17/2012US20120118107 Process and apparatus for producing sponge iron
05/16/2012CN102459654A Apparatus for and method of production of iron, semi steel and reducing gases
05/16/2012CN102453784A Slag capable of raising heat transfer efficiency used for melting reduction process
05/16/2012CN101636510B Method and device for producing molten material
05/10/2012WO2012059255A1 Method for removing co2 from exhaust gases
05/10/2012WO2012058717A1 Production of iron
05/10/2012CA2816347A1 Production of iron
05/09/2012EP1584693B1 Method for producing metallic iron
05/09/2012EP1426451B1 Method for producing reduced iron compact in rotary hearth reducing furnace, reduced iron compact, and method for producing pig iron using the same
05/09/2012CN102443668A Method and equipment for producing steel
05/09/2012CN101935728B Method for producing upgraded coal for use in metallurgy and method for producing reduced metal and slag containing oxidized nonferrous metal using the coal
05/09/2012CN101935727B Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal
05/09/2012CN101928798B Discharge mechanism applied to reduction roasting device and discharging method thereof
05/09/2012CN101792863B Method for extracting valuable elements from slag of melted high-iron high-silicon nonferrous metal
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