| Patents for C21B 11 - Making pig-iron other than in blast furnaces (2,381) |
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| 02/26/2014 | CN103602767A Slag discharge method in laterite ferronickel pyrometallurgy |
| 02/19/2014 | CN103589871A Method for recovering aluminum from red mud slag |
| 02/18/2014 | CA2773241C Apparatus for manufacturing molten metal |
| 02/13/2014 | US20140042677 Process and device for producing pig iron or liquid steel precursors |
| 02/06/2014 | WO2014021473A1 Method for producing metallic iron |
| 02/05/2014 | CN203419946U Iron-making equipment with short process |
| 02/05/2014 | CN102337369B High-wind-temperature rotational flow injection disturbance melting reduction and prereduction combination device and method |
| 02/04/2014 | US8642933 Microwave pellet furnace and method |
| 01/30/2014 | WO2014015364A1 Starting a smelting process |
| 01/29/2014 | EP2689041A1 Direct smelting process for high sulphur feed |
| 01/29/2014 | CN102549172B Molten metal producing device |
| 01/22/2014 | CN203403122U Molten iron communicating device between melting reduction furnace and front-mounted furnace |
| 01/22/2014 | CN103534363A Direct smelting process for high sulphur feed |
| 01/22/2014 | CN103525963A Aerobic smelting submerged arc furnace and aerobic smelting method thereof |
| 01/15/2014 | CN103509905A Improved smelting process for phosphorus-containing pig iron |
| 01/01/2014 | CN103484590A Method for smelting vanadium-rich pig iron from vanadium-containing steel slag |
| 12/25/2013 | CN203360479U Device for reducing burning temperature of pure-oxygen tuyere in smelting reduction ironmaking technology |
| 12/25/2013 | CN103468961A Method for processing dust containing zinc and lead in steel plant through closed cupola furnace |
| 12/25/2013 | CN102618683B Method for controlling temperature of vault of fusion gasification furnace |
| 12/18/2013 | CN203346418U Vacuum-pressure induction melting furnace for hydrogen carbon melting reduction-process ironmaking |
| 12/18/2013 | CN203346417U rotating chute feeder for COREX pre-reduction shaft furnace |
| 12/18/2013 | CN103451454A Method for producing titanium chloride slag |
| 12/18/2013 | CN103451451A Ferro-nickel alloy production technology with laterite nickel ore processed through oxygen enrichment hot air shaft furnace |
| 12/18/2013 | CN103451419A Method for recovering iron, vanadium and titanium from schreyerite through shaft furnace reduction and electric furnace smelting and separating deep reduction |
| 12/18/2013 | CN103451346A Copper smelting slag reduction method |
| 12/18/2013 | CN103451345A Front-end armoured full-oxygen tuyere structure |
| 12/18/2013 | CN103451344A CEO compound smelting reduction ironmaking plant and technology |
| 12/11/2013 | CN103436652A Method for producing vanadium-containing molten iron by submerged arc electric furnace |
| 12/11/2013 | CN103436651A Method for producing high quality ferronickel |
| 12/11/2013 | CN102492831B Recovery method for ferruginous accompaniments containing chromium and nickel |
| 12/05/2013 | WO2013179942A1 Method for manufacturing mixture of reduce iron and slag |
| 12/04/2013 | CN103421923A Method for smelting melted iron with vanadium |
| 12/04/2013 | CN103421922A Method for producing ferronickel by processing laterite nickel ore in Sulawesi, Indonesia through RKEF technology |
| 11/28/2013 | US20130312571 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 11/27/2013 | CN103409629A Laterite gas base reduction method |
| 11/27/2013 | CN103409575A Reducing agent for slag cleaning furnace top-blown immersion blowing reduction |
| 11/27/2013 | CN102344976B Reduced iron for making steel from steel slags |
| 11/21/2013 | WO2013172653A1 Molten iron production apparatus and molten iron producing method using same |
| 11/20/2013 | CN103397127A Smelting reduction ironmaking device and ironmaking method |
| 11/20/2013 | CN103397126A Ferrophosphorous and preparation method thereof |
| 11/20/2013 | CN101548024B Microwave heating method and apparatus for iron oxide reduction |
| 11/19/2013 | CA2698888C Method for manufacturing molten iron |
| 11/12/2013 | CA2603086C Linear hearth furnace system and methods regarding same |
| 11/07/2013 | US20130291685 Use of bimodal carbon distribution in compacts for producing metallic iron nodules |
| 10/30/2013 | CN103374640A Method for smelting low-silicon molten iron in smelting reduction iron making process |
| 10/24/2013 | US20130276581 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 10/24/2013 | DE102012016045B3 Verfahren zum Betrieb einer Aufblaslanzenanordnung, sowie Aufblaslanzenanordnung selbst Method for operating a Aufblaslanzenanordnung, and even Aufblaslanzenanordnung |
| 10/22/2013 | US8562903 Direct smelting plant |
| 10/22/2013 | US8562712 Method and apparatus for the production of metal compounds |
| 10/16/2013 | CN103352096A Short-process iron-making technology and equipment thereof |
| 10/15/2013 | US8557017 Method for patterning metal using nanoparticle containing precursors |
| 10/15/2013 | US8557014 Method for making liquid iron and steel |
| 10/09/2013 | CN103344118A Non-blast furnace iron making device feeding system and method |
| 10/08/2013 | US8551213 Method of coal gasification and direct ironmaking and system therefor |
| 10/02/2013 | EP2643487A1 Devices for tailoring materials |
| 10/02/2013 | CN103333979A Smelting reduction electric ironmaking system using electricity-coal method, and technological process thereof |
| 09/25/2013 | CN103320562A Method for smelting molten iron from dedusting ash |
| 09/25/2013 | CN102451904B Casting method of body casting of centrifugal air compressor |
| 09/25/2013 | CN102337362B Recycling method of output coal gas in iron making technology |
| 09/24/2013 | US8540931 Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe |
| 09/18/2013 | CN203200287U Melting reduction iron-making system employing electricity-coal method |
| 09/11/2013 | EP2635714A1 Reformer tube apparatus having variable wall thickness and associated method of manufacture |
| 09/04/2013 | CN103276278A Smelting reduction furnace used for smelting laterite-nickel ore |
| 08/28/2013 | CN203159650U Slagless production device for iron/aluminum/titanium reducing molten salt method |
| 08/21/2013 | CN103261445A Apparatus for manufacturing molten steel, and method for manufacturing molten steel using same |
| 08/13/2013 | US8506880 Iron bath-type melting furnace |
| 08/13/2013 | US8506672 Method of coal gasification and direct ironmaking and system therefor |
| 08/07/2013 | CN102586529B Rotary hearth furnace iron-making method utilizing biomass carbon-containing pellet to serve as raw material |
| 08/07/2013 | CN102047059B Gas cupola for melting metal |
| 07/31/2013 | CN203096148U Retention ring for kiln head of reduction kiln |
| 07/31/2013 | CN102296138B Method for preparing ferrovanadium intermetallic compound and titanium slags by linear moving bed prereduction and shaft furnace melting process |
| 07/31/2013 | CN102296137B Industrial production method of separating valuable elements from composite paragentic mineral of aluminum-vanadium-titanium-iron-silicon for cyclic utilization |
| 07/24/2013 | EP2616562A1 Direct smelting process |
| 07/24/2013 | CN103215403A Sealed smelting system and application thereof in high-titanium slag production |
| 07/24/2013 | CN103215402A Method for producing iron-nickel-copper alloy powder by treating nickel waste slag in oxidizing atmosphere furnace |
| 07/18/2013 | US20130180362 Partially-reduced iron producing apparatus and partially-reduced iron producing method |
| 07/17/2013 | CN102453784B Slag capable of raising heat transfer efficiency used for melting reduction process |
| 07/10/2013 | EP2612929A1 Granular metal iron production method |
| 07/10/2013 | CN203048971U Hot-air draw bar type converter |
| 07/10/2013 | CN103194558A Method for smelting molten iron by using iron ore with high phosphorus and high aluminum oxide |
| 07/10/2013 | CN103194557A Novel gas fusing and melting furnace |
| 07/10/2013 | CN103193383A Process method for producing inorganic fibers by using red mud |
| 07/03/2013 | CN103184301A Method for controlling gas backflow in melting reduction smelting |
| 07/03/2013 | CN102183149B 冶金容器 Metallurgical vessel |
| 06/27/2013 | WO2013094864A1 Molten iron manufacturing apparatus and molten iron manufacturing method |
| 06/27/2013 | WO2013052416A4 Direct production of iron slabs and nuggets from ore without pelletizing or briquetting |
| 06/26/2013 | CN103180465A Reformer tube apparatus having variable wall thickness and associated method of manufacture |
| 06/25/2013 | US8470069 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 06/20/2013 | DE102011121507A1 Verfahren zur carbothermischen oder elektrothermischen Herstellung von Roheisen oder Basisprodukten A process for the carbothermic or electrothermal production of pig iron or basic products |
| 06/19/2013 | CN203007299U Electric arc furnace for metallurgy |
| 06/19/2013 | CN103160630A Laterite nickel ore smelting method using palm shell to replace part of coke |
| 06/19/2013 | CN102288038B Oxygen blowing air port of smelting reduction iron-making furnace |
| 06/19/2013 | CN102016079B Process for producing molten metal |
| 06/13/2013 | WO2013082659A1 Starting a smelting process |
| 06/13/2013 | WO2013082658A1 Starting a smelting process |
| 06/13/2013 | CA2857684A1 Starting a smelting process |
| 06/13/2013 | CA2857681A1 Starting a smelting process |
| 06/12/2013 | CN103146913A Method for treating iron-containing dust of iron and steel plant by using cupola furnace |
| 06/12/2013 | CN103146864A Device for non-slag production of iron, aluminum and titanium by utilizing reduction molten-salt growth method |
| 06/12/2013 | CN103146863A Process for non-slag production of iron, aluminum and titanium by utilizing reduction molten-salt growth method |