| Patents for C21B 11 - Making pig-iron other than in blast furnaces (2,381) |
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| 07/14/2011 | US20110167959 Method and device for introducing dust into a metal melt of a pyrometallurgical installation |
| 07/13/2011 | CN101781694B Dismounting and transporting trolley |
| 07/12/2011 | US7976610 Pressure control in direct smelting process |
| 07/07/2011 | WO2011081276A1 Apparatus for manufacturing molten iron |
| 06/29/2011 | CN201883103U Molten iron transitional flume of electric furnace |
| 06/29/2011 | CN102108427A Segmental fluidized bed and using method thereof |
| 06/29/2011 | CN101693932B Method for producing ferrovanadium |
| 06/16/2011 | US20110138965 Process and device for producing pig iron or liquid steel precursors |
| 06/15/2011 | EP2333120A1 Process for producing molten iron |
| 06/15/2011 | CN102094094A Process for smelting ferronickel from red soil nickel ore |
| 06/15/2011 | CN102094093A Method for producing ferronickel alloy grain by directly reducing lateritic nickel ore by rotary kiln |
| 06/15/2011 | CN101643807B Melting and iron-smelting device of heat storage type electric arc furnace |
| 06/15/2011 | CN101487067B Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from vanadium-titanium magnet placer |
| 06/08/2011 | EP2329054A1 Production of ferro-alloys |
| 06/08/2011 | CN101792835B Feeding system for blast furnace ore and coke channel system |
| 06/02/2011 | US20110126671 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 06/01/2011 | CN101254861B Fine coal dense phase conveying system of fusion reducing furnace |
| 05/25/2011 | CN101541980B Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 05/24/2011 | US7947217 Metallurgical processing installation |
| 05/18/2011 | EP1616968B1 Method for producing improved coal for use in metallurgy |
| 05/18/2011 | CN102066584A Iron bath-type melting furnace |
| 05/18/2011 | CN101597661B Melting reduction iron-making method |
| 05/11/2011 | EP2319114A1 Recycling batteries having basic electrolytes |
| 05/11/2011 | CN201825974U Electro-metallurgical smelting iron-reducing device |
| 05/11/2011 | CN201825973U Cooling plate for metallurgical furnace and metallurgical furnace with cooling plate |
| 05/11/2011 | CN102051428A Iron extracting and steelmaking process for comprehensively treating copper ore tailing and nickel molten slag |
| 05/11/2011 | CN102051427A Method for preparing low-phosphorus and low-titanium molten iron by mixed-smelting high-phosphorus iron ore and ilmenite by oxygen-rich top-blowing smelting reduction technology |
| 05/11/2011 | CN102051426A Method and device for smelting iron by reduction |
| 05/11/2011 | CN101448962B Method for manufacturing molten irons by injecting a hydrocarbon gas and apparatus for manufacturing molten irons using the same |
| 05/04/2011 | CN102047059A Gas cupola for melting metal |
| 05/04/2011 | CN102041338A Iron-making process by smelting reduction by electricity and coal method |
| 05/04/2011 | CN101545044B Method for producing ferro-silicon by using a ferrous metasilicate electric stove integral deoxidation and reduction |
| 05/04/2011 | CN101487066B Industrial production method for directly producing iron and vanadium-titanium-aluminum alloy from iron concentrate |
| 04/28/2011 | US20110094337 Steelmaking facility comprising a direct reduction plant and an electric-arc furnace |
| 04/27/2011 | CN102031325A Iron making system and process for producing molten iron by melting gasification |
| 04/27/2011 | CN102031322A Method for producing medium and low micro-carbon ferro chrome alloy by shaking ladle dilution and Perrin process |
| 04/27/2011 | CN101323889B Direct smelting plant |
| 04/20/2011 | CN102021262A Method for preparing iron ingot co-production cadmium carbonate and copper carbonate from mixed scum by using arc-process |
| 04/20/2011 | CN102021261A Method for preparing iron ingots and co-producing cadmium sulfate and copper sulfate from mixed iron slag through arc method |
| 04/14/2011 | WO2011043473A1 Molten metal producing device |
| 04/14/2011 | CA2773241A1 Apparatus for manufacturing molten metal |
| 04/13/2011 | CN201793610U Novel tapping hole device of electric furnace |
| 04/13/2011 | CN201793609U Device for reducing iron from steel slag |
| 04/13/2011 | CN102016079A Process for producing molten metal |
| 04/13/2011 | CN101660017B Process for refining molten iron by directly using low-grade iron ores |
| 04/13/2011 | CN101660016B Method for smelting titanic iron ore by arc insertion |
| 04/07/2011 | WO2011041431A1 System and method for producing metallic iron |
| 04/07/2011 | WO2011041420A1 System and method for producing metallic iron |
| 04/07/2011 | WO2011041313A1 System and method for making metallic iron with reduced co2 emissions |
| 04/07/2011 | CA2775756A1 System and method for producing metallic iron |
| 04/07/2011 | CA2775709A1 System and method for producing metallic iron |
| 04/07/2011 | CA2775705A1 System and method for making metallic iron with reduced co2 emissions |
| 04/06/2011 | CN201785415U Automatic lead discharging device |
| 04/06/2011 | CN101643806B Method for producing molten iron with high-phosphorus and low-iron refractory iron ore |
| 04/06/2011 | CN101203619B Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| 03/31/2011 | DE112009001051T5 Gaskupolofen zum Schmelzen von Metall Gaskupolofen for melting metal |
| 03/30/2011 | CN201778046U Iron-making device with low-degree limonite |
| 03/17/2011 | DE10103605B4 Vorrichtung zum Einspeisen von festem Partikelmaterial in einen Kessel An apparatus for feeding solid particulate material into a vessel |
| 03/16/2011 | CN201762424U Rotary kiln for producing manganese-rich slag |
| 03/16/2011 | CN201762355U Energy-saving and low-carbon steel melting furnace |
| 03/16/2011 | CN201762354U Oxygen and coal dust blowing device of pure oxygen smelting reduction furnace |
| 03/15/2011 | CA2441521C Modular furnace |
| 03/08/2011 | US7901616 Method of building a direct smelting plant |
| 03/03/2011 | DE102009038052A1 Method for pre-reducing metal oxides comprises feeding the metal oxide according to oxidizability into a first reactor, releasing the bound nitrogen and/or the oxygen already in a second reactor and converting a fuel |
| 02/16/2011 | CN101978079A Method for producing molten iron |
| 02/16/2011 | CN101974661A Method and equipment for ironmaking by melting reduction |
| 02/16/2011 | CN101270401B Pure oxygen non-blast furnace ironmaking end reduction furnace oxygen wind gap apparatus |
| 02/09/2011 | CN101967530A Method for reducing iron by smelting reduction in electrometallurgy |
| 02/09/2011 | CN101967529A Method for producing nickel-containing pig iron by using rotary kilns |
| 02/08/2011 | US7883566 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 02/08/2011 | CA2335761C Direct smelting vessel and direct smelting process |
| 02/03/2011 | US20110023657 Process for producing reduced iron pellets, and process for producing pig iron |
| 02/02/2011 | CN201729845U Safe tapping device |
| 02/02/2011 | CN201729840U Front titanium slag treatment device |
| 02/01/2011 | US7879128 Palladium-containing nanoscale catalysts |
| 01/25/2011 | US7875236 Linear hearth furnace system and methods regarding same |
| 01/19/2011 | CN101353711B Carbonaceous material block molten iron bath reduction ironmaking desulphurization method |
| 01/12/2011 | CN201704349U Novel smelting reduction iron-fining furnace |
| 01/12/2011 | CN101260446B End reducing furnace for non-blast-furnace iron smelting |
| 01/06/2011 | WO2011002466A1 Reductant addition in a channel induction furnace |
| 01/05/2011 | EP2270239A1 Process for producing molten metal |
| 01/05/2011 | CN101935728A Method for producing upgraded coal for use in metallurgy and method for producing reduced metal and slag containing oxidized nonferrous metal using the coal |
| 01/05/2011 | CN101935727A Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal |
| 01/05/2011 | CN101603109B Process for treating top gas of reduction shaft furnace |
| 12/29/2010 | CN201686702U Feeding device for blast furnace ore and coke groove system |
| 12/22/2010 | EP1587962B8 An improved smelting process for the production of iron |
| 12/22/2010 | CN1771340B Method for producing improved coal for use in metallurgy, and method for producing reduced metal and slag containing oxidized nonferrous metal |
| 12/22/2010 | CN101270450B Ferro-nickel alloy and smelting method |
| 12/21/2010 | US7854909 Method and device for treating a fine-particled feedstock especially containing metal |
| 12/15/2010 | EP1929051B1 Ore reduction process and titanium oxide and iron metallization product |
| 12/15/2010 | CN101914649A Iron reducing device by utilizing steel slag |
| 12/15/2010 | CN101914648A Method for producing low-phosphorus molten iron by utilizing oxygen-enriched top blown to carry out melting reduction on high-phosphorus iron ore |
| 12/15/2010 | CN101914647A Oxygen and coal powder blowing device of pure-oxygen smelting reduction furnace |
| 12/15/2010 | CN101914639A Method for recycling iron on line from iron-containing industrial slag and preparing glass ceramics frit |
| 12/14/2010 | CA2520070C Method for producing upgraded coal for use in metallurgy and method for producing reduced metal and slag containing oxidized nonferrous metal using the coal |
| 12/14/2010 | CA2401805C Direct smelting process and apparatus |
| 12/08/2010 | CN101910420A Reducing furnace and apparatus for manufacturing molten iron comprising the same |
| 12/08/2010 | CN101907104A DCS (Distributed Control System) control method for cooling fan of COREX slag powder grinding system |
| 12/08/2010 | CN101565766B Shaft furnace emptying technique of COREX smelting reduction device |
| 12/08/2010 | CN101463400B Water-cooling system for top distributor of blast furnace |