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)
09/2014
09/04/2014WO2014134022A1 Direct reduction of iron (dri) pellet treatments
08/2014
08/28/2014US20140238194 Direct reduction of iron (dri) pellet treatments
08/21/2014WO2014126495A1 Apparatus and method for automatic controlling direct reduction process of iron oxide containing material
08/21/2014WO2014100059A3 Integration of oxygen transport membrane with coal based dri process
08/21/2014US20140230606 Ironmaking process and installation
08/19/2014CA2742351C Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
08/13/2014CN203768389U 精还原带式炉海绵铁碾碎装置 Fine reduction crushed sponge iron belt furnace device
08/13/2014CN103979720A 用于气基竖炉直接还原炼铁的浊环水处理系统 Turbid circulating water treatment system for a gas-based direct reduction shaft furnace ironmaking
08/07/2014US20140217653 System for energy optimization in a plant for producing direct-reduced metal ores
08/06/2014EP2761036A2 Method and device for producing pig iron
08/06/2014CN203754749U 圆形稳固金属还原通道 Round solid metal reduction passage
08/06/2014CN103966428A 一种用高硫铁精矿生产低硫金属化球团的方法 A method of producing low-sulfur metal pellets with high sulfur iron ore
08/06/2014CN103966381A 一种促进竖炉内煤气流合理分布的装置 A device shaft furnace gas flow to promote rational distribution
08/06/2014CN103966380A 一种回收利用竖炉顶煤气除尘粉的方法 One kind of top gas recycling vertical dusting powder method
08/06/2014CN103276213B 一种分离钒钛铁精矿中铁、钛、钒的工艺 An isolated ilmenite concentrate vanadium iron, titanium, vanadium process
08/06/2014CN103205520B 一种竖炉内粘结炉料破碎装置 One kind of bond charge crusher shaft furnace
08/06/2014CN103131816B 双基还原生产海绵铁的方法及其专用室式冶炼竖炉 Double-base reduction for producing sponge iron smelting method and special room type shaft furnace
08/05/2014CA2665770C Method and device for producing molten material
07/2014
07/30/2014CN103952559A 一种含钾有毒铁渣的高温还原解毒与回收利用方法 One kind of toxic potassium iron slag temperature reduction and recycling methods of detoxification
07/30/2014CN103952541A 双回转窑和还原镍和铁的方法 Dual rotary kiln and reduced nickel and iron method
07/30/2014CN103103305B 烷烃加热式还原海绵铁竖炉 Alkanes sponge iron reduction shaft furnace heating
07/30/2014CN102839250B 一种在微波加热生产还原铁粉过程中同时收集优质煤气的方法 A method of producing reduced iron heated in a microwave collected during the same time, high-quality gas
07/29/2014US8790420 Method for producing reduced metal and slag containing oxidized nonferrous metal using an upgraded coal
07/29/2014CA2578576C Production of ferro-alloys
07/23/2014CN203728869U 一种煤基竖罐直接还原炼铁装置 One kind of coal-based direct ironmaking unit vertical tank
07/23/2014CN103937922A 一种混合还原炼铁设备及炼铁方法 A hybrid ironmaking blast equipment and methods
07/23/2014CN103937921A 一种海绵铁隧道窑的分层布料还原方法及其隧道窑 One kind of sponge layered fabric tunnel kiln and tunnel kiln reduction method
07/23/2014CN103936431A 一种熔融还原炉出铁口用捣打料 A smelting reduction furnace taphole with ramming mixes
07/23/2014CN103146866B 利用CH<sub>4</sub>非催化转化生产海绵铁的直接还原工艺 The use of CH <sub> 4 </ sub> Non-catalytic conversion of production of sponge iron direct reduction process
07/23/2014CN103011090B 一种采用热解-还原联合技术生产硫磺的方法 One kind of using pyrolysis - sulfur reduction technology to produce a joint approach
07/23/2014CN102435075B 直接还原铁的冷却装置 DRI cooling device
07/22/2014CA2659559C A method for the commercial production of iron
07/16/2014CN203715662U 熔融还原冶炼炉 Smelting furnace smelting reduction
07/16/2014CN103924072A 一种提高铬铁冶炼效率的方法 A way to improve the efficiency of ferrochrome smelting methods
07/16/2014CN103924024A 一种铁浴熔融还原炉预还原方法 An iron bath smelting reduction furnace pre-reduction method
07/16/2014CN103920886A 超细铁粉的生产方法 Superfine iron production methods
07/16/2014CN102653805B 一种埋弧等离子熔融炼铁方法 One kind of molten iron submerged arc plasma method
07/09/2014EP2751294A1 Method for treating waste gases from plants for pig iron production and/or synthesis gas
07/09/2014CN103917668A 还原铁和熔渣的混合物的制造方法 Reduction method for producing a mixture of iron and slag
07/09/2014CN103911539A 铁合金的生产 Ferroalloy production
07/09/2014CN103911478A 一种粉末冶金还原铁粉行业海绵铁提升机及系统 One kind of powder metallurgy industry reduced iron sponge and hoist system
07/09/2014CN102099496B 能量优化和二氧化碳排放优化的铁生产方法和设备 Optimization of energy optimization and carbon dioxide emissions iron production methods and equipment
07/08/2014US8771399 Desulfurization puck
07/08/2014US8771397 Steelmaking facility comprising a direct reduction plant and an electric-arc furnace
07/03/2014WO2014104631A1 Method for manufacturing coal briquettes, and apparatus for manufacturing said coal briquettes
07/03/2014WO2014104624A1 Coal briquette manufacturing method and coal briquette manufacturing apparatus
07/03/2014WO2014104596A1 Molten iron manufacturing apparatus and molten iron manufacturing method
07/03/2014WO2014104439A1 Method for manufacturing reduced iron
07/03/2014WO2014104438A1 Molten iron manufacturing apparatus and molten iron manufacturing method
07/03/2014WO2014104437A1 Apparatus and method for processing molten iron
07/02/2014CN103898265A 一种焦炉煤气改质直接还原铁矿石系统装置及方法 One kind of COG modified direct reduction of iron ore system apparatus and method
07/02/2014CN102628091B 一种三步法生产铁水的工艺 A three-step process for production of hot metal
07/01/2014US8765051 Method and device for producing pig-iron based stainless steel without using a supply of electrical energy
07/01/2014US8764879 Process for slag foaming a non-stainless steel melt in an electric arc furnace
06/2014
06/26/2014WO2014100059A2 Integration of oxygen transport membrane with coal based dri process
06/26/2014WO2014098300A1 Reduced-iron production method and production device
06/26/2014WO2014096751A1 Zero gas emission continuous steelmaking process
06/26/2014WO2014095111A1 Superheating of an export gas used in a reduction process, in order to balance out amount fluctuations, and device
06/25/2014EP2746408A1 Overheating of an export gas used in a reduction process to balance flow variability and apparatus therefor
06/25/2014CN203668440U 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
06/25/2014CN203668439U 用于转底炉直接还原铁的冷却装置 Rotary hearth furnace for direct reduced iron cooling device
06/25/2014CN203668438U 局部斜坡式还原炼铁炉 Local sloping furnace ironmaking
06/25/2014CN103088184B 一种利用铁合金在红土镍矿冶炼镍铁中调控温度的方法 A temperature-controlled iron alloy in nickel laterite nickel smelting iron Methods
06/25/2014CN102712959B CO<sub>2</sub>排放有限的生产直接还原铁的方法 CO <sub> 2 </ sub> emissions limited production of direct reduced iron method
06/25/2014CN102586532B 一种直接还原铁冷却装置 A direct reduced iron cooling device
06/25/2014CN101133169B 用于生产金属铁矿块的方法和系统 For the production of metal iron block method and system
06/19/2014US20140167336 Integration of oxygen transport membrane with coal based dri process
06/18/2014CN103866115A Method for preparing nickel-containing stainless steel raw material from laterite-nickel ore by one-step process
06/18/2014CN103866072A Method for preparing simple substance iron by virtue of pyrolytic gas
06/12/2014WO2014088067A1 Device for manufacturing direct-reduced iron and method for manufacturing direct-reduced iron
06/12/2014WO2014040990A3 Method for storing discontinuously obtained energy during the reduction of iron ore
06/12/2014WO2014040989A3 Method for producing steel using renewabel energy
06/11/2014EP2739384A1 Device having a plurality of reaction chambers for implementing liquid/solid oxidation-reduction reactions in a fluidized bed
06/11/2014CN101935732B Charging method of reducing coal gas for gas-based reduction shaft furnace
06/10/2014CA2590267C Method and system for producing metallic iron nuggets
06/05/2014US20140150607 Process for direct reduction of iron oxide
06/05/2014US20140150606 Method of Manufacturing Direct Reduction Iron and Reduction Firing Apparatus
06/04/2014CN203625412U 直接还原铁隧道窑机械卸料装置 DRI tunnel kiln mechanical unloading device
06/04/2014CN203625411U 直接还原铁隧道窑机械装料装置 DRI tunnel kiln mechanical loading device
06/04/2014CN203625410U 一种球团布料机 One kind of pellet fabric machine
06/04/2014CN103842759A Metallurgical plant with efficient waste-heat utilization
06/04/2014CN103842525A Method and device for producing pig iron
06/04/2014CN103834760A Method and device for producing reduced iron by using synthesis gas prepared from gas
06/04/2014CN103834759A Cycling heated iron-reducing kiln, and method for reducing iron
06/04/2014CN103088183B Method for smelting laterite-nickel ores through one-step controlled reduction
06/04/2014CN102959093B Granular metal iron production method
06/04/2014CN102925611B Method for modifying iron ore powder by composite additive to prevent sticking and defluidizing during fluidization reduction
06/04/2014CN102899434B Method for synchronously extracting boron and iron in paigeite
06/03/2014CA2698251C Direct processing of metallic ore concentrates into ferroalloys
05/2014
05/30/2014WO2014080831A1 Method for manufacturing reduced iron
05/28/2014EP2734649A1 Melting reduction assembly and method for operating a melting reduction assembly
05/28/2014CN103820592A 将低热值高炉煤气直接用于还原高温物料无氧冷却的工艺 LHV BFG process will be used to restore the direct cooling of high-temperature materials anaerobic
05/28/2014CN102864265B 一种气基直接还原尾气回收利用的方法 One kind of gas-based direct reduction method of exhaust gas recycling
05/21/2014CN203602648U 煤气加热金属竖式通道直接还原海绵铁设备 Gas heating the metal vertical channel of direct reduced sponge iron equipment
05/21/2014CN103805773A 粉状铁矿石碳循环增氧直接还原生产金属化铁粉方法 Powdered iron ore direct reduction of the carbon cycle aerobics metallization process for producing iron
05/21/2014CN103805729A 一种采用转底炉生产低硫炼钢生铁的方法 One kind of low-sulfur using rotary hearth furnace steelmaking pig iron production method
05/21/2014CN103805728A 利用高氮含量干馏煤气制合成气生产还原铁的方法及装置 The use of high nitrogen content of the dry distillation gas to syngas production method and apparatus for reducing iron
05/21/2014CN103805727A 一种采用链斗机热装直接还原铁的方法 One kind of thermal loading using Paternosters DRI method
05/21/2014CN103805726A 一种运用转底炉珠铁工艺综合利用高铁赤泥的方法 A rotary hearth furnace iron craft beads of red mud utilization of high-speed rail Methods
05/21/2014CN102787194B 利用钒钛铁精矿直接还原熔分渣制备富钛料的方法 Vanadium-titanium-iron ore direct reduction of the use of the melting points of titanium-rich slag material preparation methods
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