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)
05/2014
05/20/2014US8728195 Green process for the preparation of direct reduced iron (DRI)
05/14/2014CN103797133A 在用来制造直接还原的金属矿石的设备中进行能量优化的系统 Optimization of the energy system in the equipment used to manufacture metal ore direct reduction of
05/14/2014CN103789538A 一种利用链篦机-回转窑处理镍冶炼渣的方法 A use grate - kiln nickel smelting slag processing method
05/14/2014CN103789478A 块状铁矿石碳循环增氧直接还原生产金属化铁粉方法 Lump iron ore direct reduction of the carbon cycle aerobics metallization process for producing iron
05/14/2014CN103789477A 一种用高磷鲕状赤铁矿和高炉灰生产直接还原铁的方法 One kind of high-phosphorus Oolitic and high ash production of direct reduced iron method
05/14/2014CN102471812B 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
05/14/2014CN102424875B 一种用硫酸烧渣制备海绵铁的方法 One kind of sponge iron with sulfuric acid residue method of preparation
05/07/2014CN103781724A 含有一氧化碳和氢气的合成气体的制造装置及其制造方法 Manufacturing apparatus and manufacturing method of carbon monoxide and hydrogen-containing synthesis gas
05/07/2014CN103773913A 熔融还原冶炼炉 Smelting furnace smelting reduction
05/07/2014CN103773912A 用煤直接还原法炼铁的余热回收系统 Coal direct reduction iron law of heat recovery systems
05/07/2014CN102936653B 一种高密度金属化球团的还原方法 A method of reducing the high density of metal pellets
05/07/2014CN102864264B 金属化球团的防粘接方法及其装置 Metal pellets anti-bonding method and apparatus
05/07/2014CN102690921B 转底炉还原-燃气熔炼炉熔分综合利用钒钛磁铁矿的方法 Rotary hearth furnace reduction - Gas melting furnace melting points utilization of vanadium-titanium magnetite methods
05/07/2014CN102660672B 一种冶炼低品位红土矿的工艺 A low-grade laterite ore smelting process
05/01/2014WO2014065240A1 Process for manufacturing reduced iron
04/2014
04/30/2014EP2725108A1 System and method for producing metallic iron
04/30/2014CN103764854A Method for treating waste gases from plants for pig iron production and/or synthesis gas
04/30/2014CN103757177A Apparatus for injecting gas into a vessel
04/30/2014CN103757170A Method for injection reduction extraction of iron from nickel smelting furnace slag
04/30/2014CN103757169A Shaft furnace direct reduction process for treating iron oxide scales
04/23/2014CN203559070U System for producing gas-base direct reduced iron
04/23/2014CN1977055B Metallurgical processing installation
04/23/2014CN103740927A Method for recovering ferronickel refined ore powder and ferrous powder from laterite nickel ores by two-step reduction method
04/23/2014CN102575304B Apparatus and method for manufacturing reduced iron
04/17/2014WO2014058088A1 Reducing gas blowing apparatus for fluidized reduction furnace
04/16/2014CN103725819A Iron ore powder fluidized reduction system and method
04/16/2014CN102899435B Method for comprehensively using vanadium-titanium magnetite by shaft furnace reduction and electric furnace melting
04/16/2014CN102758046B Shortened production method of coal-based direct reduced iron and equipment therefor
04/10/2014WO2014055479A1 Devices and methods for enhancing burden uniformity in a combination reforming/reducing shaft furnace
04/09/2014EP2714942A1 Reduction of metal oxides using a gas stream containing both hydrocarbon and hydrogen
04/09/2014CN103710481A Secondary radial wind supply device supplying hot wind for rotary kiln
04/09/2014CN103710480A Production method for reducing iron ores by utilization of liquid-state steel slag residual heat
04/09/2014CN102559978B Method for producing sponge iron by electric heating and system thereof
04/08/2014US8690988 Use of bimodal carbon distribution in compacts for producing metallic iron nodules
04/02/2014CN203513712U System for producing gas-base direct reduction iron from natural gas
04/02/2014CN203513711U System for producing gas-base direct reduction iron from coke-oven gas
04/02/2014CN103695588A System and method for reducing powdery iron ore by fluidized beds
04/02/2014CN102888235B Device and method for performing pyrolysis on solid fuel and performing reductive coupling on iron ore
03/2014
03/27/2014WO2014045839A1 Reduced iron cooling device and reduced iron cooling method
03/26/2014CN203498407U Slag area cooling device of HIsmelt smelting reduction furnace
03/26/2014CN103687965A Melting reduction assembly and method for operating a melting reduction assembly
03/26/2014CN103667743A Treatment method of laterite-nickel ore
03/26/2014CN103667742A Treatment method of laterite-nickel ore
03/26/2014CN103667702A Novel technique and system for sending reducing gas prepared by medium/low-rank coal gasification to conveying bed for smelting in cold state
03/26/2014CN103667576A Metal smelting method
03/26/2014CN103667575A Rotary hearth furnace bottom and rotary hearth furnace with same
03/26/2014CN103667574A Cast iron production method capable of effectively alleviating sponge iron adhesion
03/26/2014CN103667573A Short-flow process for producing direct reduction iron with assistance of coke oven gas
03/26/2014CN103667572A Gas-based shaft-furnace direct-reduction smelting method for high-chromium-content vanadium-titanium magnetite
03/26/2014CN103667571A System and method of fluidized direct reduction of iron ore concentrate powder
03/26/2014CN103667570A A pellet distributor
03/26/2014CN103667569A Partially-reduced iron producing apparatus
03/26/2014CN103667568A Novel technique and system for moving bed smelting of reducing gas prepared by medium/low-rank coal gasification
03/26/2014CN103667567A Novel technique and system for conveying bed smelting of reducing gas prepared by medium/low-rank coal gasification
03/26/2014CN103667566A Novel method and system for fluidized bed smelting of reducing gas prepared by medium/low-rank coal gasification
03/26/2014CN103667565A Novel method and system for sending reducing gas prepared by medium/low-rank coal gasification to fluidized bed for smelting in cold state
03/26/2014CN102399998B Method for reducing and smelting titania slag by utilizing vanadium-titanium-iron ore concentrates in molten state
03/25/2014US8679222 Process for producing sponge iron
03/20/2014WO2014040997A1 Method for heating process gases for direct reduction plants
03/20/2014WO2014040990A2 Method for storing discontinuously obtained energy
03/20/2014WO2014040989A2 Method for producing steel
03/20/2014DE102012109284A1 Producing steel, comprises reducing iron ore with hydrogen, processing the obtained intermediate product from reduced iron ore and optionally metallurgically further processing the impurities
03/19/2014EP2707511A1 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
03/19/2014CN103643161A Vanadium-titanium ore rotary hearth furnace, high-temperature wear-resistant blade thereof for feeding and manufacturing method
03/19/2014CN103643033A Method for reducing titanium in direct reduction iron of seashore titanomagnetite by utilizing composite additive
03/19/2014CN103643029A Reduced iron and aluminum separation method for high-iron bauxite carbon hot-pressed block containing shaft furnace
03/19/2014CN102149831B Process for producing agglomerates of finely particulate iron carriers
03/18/2014US8673208 Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
03/12/2014EP2705120A1 Process and plant for the production and further treatment of fuel gas
03/12/2014CN203474832U Water-cooling cylinder device for direct-reduced iron
03/12/2014CN103627836A Steelmaking device and steelmaking method
03/12/2014CN103627835A Method for treating nickel smelting furnace slag
03/12/2014CN103627834A New technology for extracting iron and producing titanium slag by direct reduction of ilmenite
03/12/2014CN102405274B Method and apparatus for sequestering carbon dioxide from spent gas
03/11/2014CA2541893C Direct smelting plant and process
03/06/2014WO2014035276A1 Method and apparatus for producing metal from materials containing iron oxides
03/06/2014WO2014034589A1 Method for producing reduced iron agglomerates
03/05/2014CN103614607A Method for preparing stainless steel raw materials through smelting reduction of hot copper slags under action of nickel-containing materials
02/2014
02/26/2014CN203451593U Smelting device for smelting titanium by utilizing blast-furnace titanium slag
02/26/2014CN103608089A Device for control of process gases in a plant for producing directly reduced metal ores
02/26/2014CN103602877A Production of ferro-alloys
02/26/2014CN103602773A Method for comprehensive utilization of paigeite through direct reduction-electric furnace melting separation of rotary hearth furnace
02/26/2014CN103602772A Method for producing iron by directly reducing brown iron ore or hematite by means of waste plastic
02/26/2014CN103602771A Local slope type reduction ironmaking furnace and process
02/19/2014CN103589867A Method and device for treating ironmaking ash, mud and mill tailings by plasma torch heating technology
02/19/2014CN103589819A Method for directly reducing nonferrous smelting slag through oxygenation
02/19/2014CN101855506B Method for the production and the melting of liquid pig iron or of liquid steel intermediate products in a melt-down gasifier
02/18/2014CA2773241C Apparatus for manufacturing molten metal
02/18/2014CA2635545C Apparatus for manufacturing molten irons
02/13/2014US20140042677 Process and device for producing pig iron or liquid steel precursors
02/12/2014CN103572059A Method for producing sponge iron and cement by using iron-containing materials through reduction and recovering valuable elements
02/12/2014CN103572040A Carbon reducing, sulfur reducing, iron removing and iron ore concentrate recovering method for coal ash
02/12/2014CN102719586B Device and method for uniformly distributing materials for rotary hearth furnace
02/11/2014CA2510926C Fluidized bed method and plant for the heat treatment of solids containing titanium
02/06/2014WO2014021473A1 Method for producing metallic iron
02/06/2014US20140033869 Method for the Commercial Production of Iron
02/05/2014CN103562414A Integrated steel manufacturing system and method for integrated steel manufacturing
02/05/2014CN103562413A Method and device for charging coal-containing material and iron carrier material
02/05/2014CN103562412A Reduction of metal oxides using a gas stream containing both hydrocarbon and hydrogen
02/05/2014CN102337369B High-wind-temperature rotational flow injection disturbance melting reduction and prereduction combination device and method
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