| Patents for C21B 13 - Making spongy iron or liquid steel, by direct processes (6,991) |
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| 03/04/2015 | EP2841861A1 System and method for heat treatment of granular and lumpy material |
| 03/03/2015 | US8969439 Method of agglomeration |
| 02/25/2015 | EP2839042A1 Apparatus and process for surface gasification in a reduction reactor shaft |
| 02/24/2015 | US8961650 Partially-reduced iron producing method and partially-reduced iron producing apparatus |
| 02/24/2015 | US8961648 Integrated steel plant with production of hot or cold DRI |
| 02/19/2015 | WO2015021889A1 Continuously externally heated reduction gas furnace for direct-reduced iron |
| 02/19/2015 | DE10348116B4 CO-Generator und Verfahren zur Herstellung von kohlenmonoxidhaltigem Gas durch Umsetzung eines kohlenstoffhaltigen Brennmaterials CO generator and method for the production of carbon monoxide-containing gas by the reaction of a carbonaceous fuel material |
| 02/18/2015 | EP2836613A1 Process and apparatus for briquette production |
| 02/18/2015 | EP2836459A1 Method for controlling the temperature in the combustion furnace of a claus unit |
| 02/11/2015 | CN104342531A 一种富氧竖炉出铁口 An oxygen-rich vertical furnace taphole |
| 02/11/2015 | CN102224263B 生产海绵铁的方法 Methods for producing sponge iron |
| 02/10/2015 | CA2575098C Apparatus for injecting solid particulate material into a vessel |
| 02/05/2015 | WO2015016956A1 Reducing iron oxide to metallic iron using natural gas |
| 02/05/2015 | WO2015016950A1 Reduction of iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 02/05/2015 | WO2015016145A1 Raw material for direct reduction applications, method for producing raw material for direct reduction applications, and method for producing reduced iron |
| 02/05/2015 | WO2015015317A2 Use of top gas in direct reduction processes |
| 02/05/2015 | US20150038317 Direct Smelting Process |
| 02/04/2015 | CN204138690U 还原铁一体化高效装料机 DRI integrated and efficient loader |
| 02/04/2015 | CN104334749A 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 |
| 02/04/2015 | CN104328279A 利用熔体余热进行碳热还原的方法 Use of waste heat melt the carbon thermal reduction method |
| 02/04/2015 | CN103572040B 一种粉煤灰的降碳、减硫、除铁并回收铁精矿方法 Drop one kind of carbon fly ash, sulfur reduction, in addition to iron and iron ore recovery methods |
| 02/04/2015 | CN103276131B 一种高温粗煤气余热余压余气综合利用工艺方法 A high-temperature waste heat and pressure crude gas utilization process for residual gas |
| 02/03/2015 | US8945273 Process and apparatus for reducing charge materials containing iron ore or for producing pig iron or liquid primary steel products |
| 01/29/2015 | WO2015011981A1 Method for manufacturing briquettes and reduced iron |
| 01/28/2015 | CN204125475U 一种难选低品位微细粒铁矿石直接还原生产系统 A Difficult to choose low-grade iron ore direct reduction of fine particle production system |
| 01/28/2015 | CN204125174U 一种生产电石的装置 An apparatus for producing calcium carbide |
| 01/28/2015 | CN104313310A 一种添加硅铁粉提高钒钛磁铁精矿碳热还原速率的方法 A way to add ferrosilicon powder vanadium-titanium magnetite concentrate improve carbon thermal reduction rate method |
| 01/28/2015 | CN104313230A 燃气熔分炉和炼铁装置以及它们的还原工艺 Gas stoves and iron melting points apparatus and their reduction process |
| 01/28/2015 | CN104313229A 用竖炉直接还原高磷矿生产高磷铁的方法 Direct reduction shaft furnace with high production of high-phosphorus iron phosphate method |
| 01/28/2015 | CN104313228A 非催化富氧转化生产海绵铁的直接还原工艺 Non-catalytic conversion of enriched direct reduction process for producing sponge iron |
| 01/28/2015 | CN104313227A 利用含铁熔体余热进行碳热还原的方法和系统 Use of waste heat iron melt method and system for carbon thermal reduction of |
| 01/28/2015 | CN104313226A 直接熔炼方法 Direct smelting process |
| 01/27/2015 | US8940076 Method for producing direct reduced iron with limited CO2 emissions |
| 01/21/2015 | CN204111835U 矿石连续还原与热送炼钢装置 Ore reduction and continuous steel hot delivery device |
| 01/21/2015 | CN104293998A 气基竖炉制备海绵铁的方法和系统 Gas-based sponge iron shaft furnace preparation method and system |
| 01/21/2015 | CN103276133B 一种用天然气部分氧化生产直接还原铁的方法 One kind of natural gas partial oxidation method for producing direct reduced iron |
| 01/20/2015 | CA2665562C System and method of producing metallic iron |
| 01/15/2015 | WO2015005187A1 Method for producing reduced iron |
| 01/15/2015 | WO2015003669A1 Fluxing agent, process of its production, agglomeration mixture and use of slug from secondary metallurgy |
| 01/14/2015 | CN104278147A 采用含碳球团生产直接还原铁的方法 Using carbon-containing pellet production method of direct reduced iron |
| 01/14/2015 | CN104278125A 一种含铁渣料熔池熔炼熔体还原制铁的方法 One iron bath smelting slag melt iron reduction method |
| 01/14/2015 | CN104278123A 一种高效环保型海绵铁烧结废料吸取装置 An efficient environmentally friendly sponge iron sintering waste suction device |
| 01/14/2015 | CN104278122A 海绵铁制造用原料的装入装置 Sponge iron manufacturing materials into the device |
| 01/14/2015 | CN103591799B 一种转底炉炉型结构 A genetically hearth furnace structure |
| 01/08/2015 | WO2015000604A1 Desulfurization of gases in the production of pig iron |
| 01/07/2015 | EP2821509A1 Desulphurisation of gases in the production of pig iron |
| 01/07/2015 | CN104271773A 用于将微粒状的材料加入到流化床还原机组的流化床中的方法和装置 For the particulate material added to the fluidized bed in the fluidized-bed reduction unit of a method and apparatus |
| 01/07/2015 | CN104263871A 钒钛磁铁矿的冶炼方法 Vanadium-titanium magnetite smelting method |
| 01/07/2015 | CN104263870A 钒钛磁铁精矿直接还原多梯度提取工艺 Direct reduction of vanadium-titanium magnetite concentrate more gradient extraction process |
| 01/07/2015 | CN103060504B 一种利用生物质焦制备海绵铁的方法 Preparation of a biomass burnt sponge iron Methods |
| 01/07/2015 | CN102985567B 调节来自生铁制造设备的用于在膨胀涡轮中使用的工艺气体的温度的方法和装置 Adjusting the temperature from the pig iron manufacturing apparatus for use in a process gas expansion turbine to a method and apparatus |
| 01/07/2015 | CN102605131B 通过向熔炉-气化器内注入煤粉制造铁水的设备及其铁水制造方法 Through the furnace - the gasifier apparatus and a method for producing molten iron manufacturing molten iron pulverized coal injection |
| 01/07/2015 | CN102605130B 通过向熔炉-气化器内注入煤粉制造铁水的设备及其铁水制造方法 Through the furnace - the gasifier apparatus and a method for producing molten iron manufacturing molten iron pulverized coal injection |
| 01/06/2015 | US8926895 Post-combustion lance including an internal support assembly |
| 01/06/2015 | US8926728 Process and plant for producing hot metal |
| 01/06/2015 | CA2669314C Multiple hearth furnace for reducing iron oxide |
| 12/31/2014 | CN204058508U 反应设备、制备气基竖炉用还原气的系统 Response equipment, preparation of gas-based shaft furnace with a reducing gas system |
| 12/31/2014 | CN204058507U 气基竖炉制备海绵铁的系统 Preparation of gas-based sponge iron shaft furnace system |
| 12/31/2014 | CN204058258U 一种煅烧石灰石、发电联产还原铁的装置 A limestone, power generation equipment reduced iron calcined |
| 12/31/2014 | CN102459654B 生产铁、半钢和还原气体的装置及方法 Production of iron, steel and semi apparatus and method of reducing gas |
| 12/31/2014 | CN101892081B 煤基能源化工多联产工艺 Coal-based energy and chemical polygeneration technology |
| 12/30/2014 | US8920536 Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method |
| 12/24/2014 | CN204039428U 气基竖炉制备海绵铁的系统 Preparation of gas-based sponge iron shaft furnace system |
| 12/24/2014 | CN204039332U 煤气循环煤炭全粒径分级热解耦合冶金还原系统 Full-size grading of coal gas recycling pyrolysis coupled metallurgical reduction system |
| 12/24/2014 | CN104245964A 用于在还原反应器井筒中进行表面吹气的装置和方法 Means for performing a surface and a method for blowing in reduction reactor wellbore |
| 12/24/2014 | CN104245963A 利用焦炉气制备直接还原铁(dri)的方法和设备 Use of coke oven gas production of direct reduced iron (dri) methods and equipment |
| 12/24/2014 | CN104232826A 用低品位难选铁矿炼铁的方法及其设备 Methods refractory low-grade iron ore and equipment |
| 12/24/2014 | CN103305650B 一种菱铁矿资源高效综合利用方法 An efficient method for iron ore resource utilization Ling |
| 12/24/2014 | CN103088185B 一种煤基直接还原铁竖炉 One kind of coal-based direct reduction iron shaft furnace |
| 12/24/2014 | CN102933727B 用于制备粒状金属的方法 The method for producing a granular metal |
| 12/23/2014 | US8915352 Feeding system for reduced iron material |
| 12/17/2014 | CN104220604A 用于进行煤砖制造的方法和装置 Methods and apparatus for performing the briquettes manufactured |
| 12/17/2014 | CN104212974A 一种含铁金矿氰化尾矿同步回收金和铁以及钴或镍的方法 A method of iron cyanide gold mine tailings synchronized recovery of gold and iron or nickel and cobalt |
| 12/17/2014 | CN104212931A 一种利用回转窑深度还原生产金属铁粉的方法 A use of rotary kiln depth reduction method for producing metallic iron |
| 12/17/2014 | CN104212930A 一种二步法冶炼铁水的ba0sherex炼铁工艺 Ba0sherex a two-step process of smelting iron hot metal |
| 12/17/2014 | CN104212929A 气基竖炉直接还原-磁选分离处理高磷矿的炼铁方法 Gas-based direct reduction shaft furnace - high magnetic separation of iron phosphate method |
| 12/17/2014 | CN104212928A 快速还原窑炉及采用该快速还原窑炉进行还原的方法 Rapid reduction furnace and the use of the rapid reduction furnace reduction method |
| 12/17/2014 | CN104212927A 一种以钒钛磁铁矿为原料来制铁粉的生产工艺 Kind of vanadium-titanium magnetite iron powder as raw material to make the production process |
| 12/17/2014 | CN102365373B 直接熔炼方法和装置 Direct smelting process and apparatus |
| 12/16/2014 | US8911700 Process and installation for producing substitute gas |
| 12/10/2014 | CN203999666U 气-煤基直接还原铁的竖炉 Gas - coal-based direct reduction iron shaft furnace |
| 12/10/2014 | CN203999665U 预热式煤基直接还原铁的竖炉 Preheating of coal-based direct reduction iron shaft furnace |
| 12/10/2014 | CN203999664U 循环式煤基直接还原铁的竖炉 Recycling coal-based direct reduction iron shaft furnace |
| 12/10/2014 | CN203999663U 煤基直接还原铁竖炉 Coal-based direct reduction iron shaft furnace |
| 12/10/2014 | CN104195279A 一种红土镍矿制备镍铁的工艺 One kind of nickel-iron laterite nickel ore preparation process |
| 12/10/2014 | CN104195278A 一种铁矿石竖炉-回转窑直接还原生产铁粉工艺 One kind of shaft furnace for iron ore - kiln direct reduction iron production process |
| 12/10/2014 | CN104195277A 从铅锌矿冶炼渣中回收还原铁粉的方法 Recovered from the lead and zinc smelting reduction of iron slag method |
| 12/10/2014 | CN104195276A 铁矿粉内配碳多孔块直接还原工艺 Iron ore within the porous carbon block with direct reduction process |
| 12/10/2014 | CN104190950A 一种铁粉生产工艺 One kind of iron production process |
| 12/10/2014 | CN103602772B 一种利用废旧塑料直接还原褐铁矿或赤铁矿生产铁的方法 A use of the direct reduction of waste plastics limonite or hematite iron production method |
| 12/10/2014 | CN103261446B 用含氢和co的还原气体源生产直接还原铁的方法和装置 Method and apparatus for the production of hydrogen and reducing gas source co DRI's |
| 12/10/2014 | CN102762748B 降低二氧化碳的生成量的铁水制备装置 Reduce carbon dioxide production of molten iron production apparatus |
| 12/09/2014 | US8906131 Direct production of iron slabs and nuggets from ore without pelletizing or briquetting |
| 11/11/2014 | US8882880 Method for controlling extremely low Ti in extra low carbon AlSi-killed steel |
| 10/28/2014 | US8871000 Electric furnace for producing molten metal having material recycling capability |
| 10/14/2014 | US8858678 System and method for making metallic iron with reduced CO2 emissions |
| 10/07/2014 | US8852460 Alkali earth metal precursors for depositing calcium and strontium containing films |
| 09/16/2014 | US8834599 Method and device for operating a smelting reduction process |
| 09/12/2014 | WO2014138401A1 Methods and systems for reducing chromium containing raw material |
| 09/11/2014 | US20140252699 Direct reduced iron manufacturing system |