| Patents for C21B 11 - Making pig-iron other than in blast furnaces (2,381) |
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| 05/06/2010 | US20100111752 Composition of matter tailoring: system ia |
| 05/05/2010 | CN101701312A Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials |
| 05/04/2010 | CA2409474C Apparatus for injecting solid particulate material into a vessel |
| 04/21/2010 | EP2176614A1 Process and plant for reducing solids containing iron oxide |
| 04/21/2010 | CN101078052B Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| 04/14/2010 | CN201438079U Vault structure of iron-making smelting reduction gasification furnace |
| 04/14/2010 | CN101693932A Method for producing ferrovanadium |
| 04/13/2010 | US7695544 Method and system for producing metallic iron nuggets |
| 04/13/2010 | CA2323272C Stable idle procedure |
| 04/07/2010 | CN201436540U Iron mouth structure of fusion reduction ironmaking furnace |
| 04/07/2010 | CN1926248B Direct smelting plant and process |
| 04/06/2010 | US7691200 Magnesium oxide single crystal and method for producing the same |
| 04/06/2010 | US7691178 Production of iron |
| 03/31/2010 | CN101688757A Process and plant for reducing solids containing iron oxide |
| 03/31/2010 | CN101688261A Improvements in the production of ferro-alloys |
| 03/31/2010 | CN101688257A Method and system for the supply of hot direct reduced iron for multiple uses |
| 03/25/2010 | WO2010032642A1 Process for producing molten iron |
| 03/24/2010 | CN100595288C Novel process for ironmaking without blast furnace |
| 03/24/2010 | CN100595287C Metallurgical reactor for the production of cast iron |
| 03/18/2010 | WO2010030148A2 A reduction and fusing method and reduction and fusing device for a metal oxide using a hermetically sealed crucible |
| 03/16/2010 | CA2422905C A direct smelting process and apparatus |
| 03/10/2010 | CN101665847A Process for recovering iron by smelting reduction of electric furnace slag |
| 03/09/2010 | US7674317 Inserting the tires at a slower rate into an electric arc furnace and separate from the scrap steel, as compared to batch feeding them or feeding them as tires and scrap steel bundles, so that larger quantities of tires at a specific controlled location and time may be used |
| 03/09/2010 | US7674316 Method for producing metallic iron |
| 03/04/2010 | WO2010022473A1 Production of ferro-alloys |
| 03/04/2010 | CA2735470A1 Production of ferro-alloys |
| 03/03/2010 | CN101660016A Method for smelting titanic iron ore by arc insertion |
| 02/24/2010 | EP2155914A1 Improvements in the production of ferro-alloys |
| 02/23/2010 | US7666249 Linear hearth furnace system and methods regarding same |
| 02/23/2010 | CA2341898C A direct smelting process |
| 02/17/2010 | CN201407908Y Maintenance cart for sponge iron screw feeder of melting reduction furnace |
| 02/17/2010 | CN201407907Y Positioning device for maintenance of Y-type blanking tube blind plate of melting reduction furnace |
| 02/17/2010 | CN101649366A Method and device for making iron by smelting reduction |
| 02/16/2010 | US7662210 Apparatus for manufacturing molten irons by injecting fine coals into a melter-gasifier and the method using the same |
| 02/11/2010 | WO2010016553A1 Iron bath-type melting furnace |
| 02/10/2010 | CN101643807A Melting and iron-smelting device of heat storage type electric arc furnace |
| 02/10/2010 | CN101643806A Method for producing molten iron with high-phosphorus and low-iron refractory iron ore |
| 02/10/2010 | CN101643805A New method for producing high-quality high titanium slag |
| 02/04/2010 | WO2010014637A1 Recycling batteries having basic electrolytes |
| 02/03/2010 | CN101638701A Method for smelting liquid iron with carbon steel iron-containing dedusting ash |
| 01/20/2010 | CN100584132C Power device in electronic optical path system of electronic bundle impact furnace |
| 01/13/2010 | CN101624639A Method for preventing fluidization high-hydrogen reduction bonding defluidization of iron ore powder |
| 01/13/2010 | CN101624638A Gas-burning reducing iron-fining furnace and one-step reducing iron-fining method thereof |
| 01/06/2010 | CN201377808Y Sealing device for replacing spraying-gun online |
| 01/06/2010 | CN201377807Y Coal-injection gun capable of replacing gun head online |
| 01/06/2010 | CN201376254Y Remover for mechanical seal of dynamic distributing device of COREX stove |
| 01/05/2010 | US7641712 Method and system for producing metallic iron nuggets |
| 12/16/2009 | CN201362726Y Sleeve type oxygen coal spray gun of COREX coal spray imitated air inlet |
| 12/16/2009 | CN201362725Y Oblique-inserting type oxygen coal spray gun of COREX coal spray imitated air inlet |
| 12/16/2009 | CN101603109A Process for treating top gas of reduction shaft furnace |
| 12/15/2009 | US7632335 Heating reducible mixture (e.g., reducible micro-agglomerates; reducing material and reducible iron bearing material; reducible mixture including additives such as a fluxing agent; compacts, etc.) on hearth material layer in presence of other carbonaceous material |
| 12/15/2009 | US7632329 selectively preparing lumps of n-type scrap silicon containing a specific impurity element as a dopant, crushing the prepared lumps of scrap silicon, placing the crushed silicon into a vacuum vessel, irradiating the crushed silicon with an electron beam to melt it and vaporize dopant, solidifying the Si |
| 12/15/2009 | CA2313622C Start-up procedure for direct smelting process |
| 12/09/2009 | CN201358261Y High temperature oxidation resistant oxygen tuyere for smelting reduction iron-fining furnace |
| 12/09/2009 | CN201358260Y Oxygen tuyere for smelting reduction iron-fining furnace |
| 12/09/2009 | CN101597661A Melting reduction iron-making method |
| 12/03/2009 | WO2009145084A1 Gas cupola for melting metal |
| 12/01/2009 | CA2513341C Sealing structure of solid-transferring screw and method for producing reduced metal using the same |
| 12/01/2009 | CA2311073C Direct smelting vessel |
| 11/24/2009 | CA2420544C Process and apparatus for producing a fixed bed |
| 11/24/2009 | CA2381036C A direct smelting process |
| 11/17/2009 | US7618476 Method and apparatus for cooling reduced-iron agglomerate |
| 11/11/2009 | CN201343544Y Proximity switch adjustment device of COREX blast-furnace screw feeder |
| 11/10/2009 | US7615098 Pouring a sample of the particulate solids onto a rotatable horizontal support and allowing it to form its own angle of repose while being subjected to a predetermined heat and gas atmosphere regime; direct reduction of iron (DRI) processes |
| 10/29/2009 | WO2009131148A1 Process for producing molten metal |
| 10/28/2009 | CN101565767A Method for melting reduction iron making |
| 10/28/2009 | CN101565766A Shaft furnace emptying technique of COREX smelting reduction device |
| 10/22/2009 | WO2009105320A3 Method and system for producing metallic iron nuggets |
| 10/21/2009 | EP2109515A1 Continuous production of titanium by the metallothermic reduction of ticl4 |
| 10/15/2009 | WO2009125736A1 Process for production of granular metallic iron |
| 10/15/2009 | US20090255374 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals |
| 10/15/2009 | CA2720700A1 Method for producing granular metallic iron |
| 10/06/2009 | US7597736 Method for utilizing slag |
| 10/06/2009 | CA2405966C A direct smelting process and apparatus |
| 10/06/2009 | CA2324782C A direct smelting apparatus and process |
| 10/03/2009 | CA2661419A1 System and method for producing metallic iron |
| 10/01/2009 | WO2009119843A1 Raw material introduction apparatus for molten iron making and method for introducing raw material for molten iron making |
| 10/01/2009 | WO2009119604A1 Process for producing molten iron |
| 10/01/2009 | WO2009085907A3 System and method for producing metallic iron |
| 09/30/2009 | CN201317786Y Low energy consumption and environmental pollution-free iron making device |
| 09/30/2009 | CN101548024A Microwave heating method and apparatus for iron oxide reduction |
| 09/30/2009 | CN101545022A Method for producing wear resistant material through smelting separation of ilmenite |
| 09/23/2009 | CN101538626A Method for directly producing nickel-bearing pig iron in rotary kilns by using laterite-nickel |
| 09/23/2009 | CN100543149C Baking-melting reduction iron smelting method, apparatus and raw material |
| 09/22/2009 | CA2420533C Process and apparatus for distributing a lumpy bulk material |
| 09/17/2009 | WO2009082125A3 Reducing furnace and apparatus for manufacturing molten iron comprising the same |
| 09/09/2009 | CN100537784C Electric reducing furnace |
| 09/08/2009 | CA2338591C A direct smelting process |
| 09/03/2009 | US20090218737 Direct smelting plant |
| 09/02/2009 | CN101519706A Method and device for smelting reduction of ion ores with bottom blowing hydrogen |
| 09/02/2009 | CN101519705A Method for preparing molten iron by utilizing oxygen top blown smelting reduction ironmaking |
| 09/02/2009 | CN100535129C Direct smelting plant |
| 09/01/2009 | CA2335753C A direct smelting process |
| 08/27/2009 | WO2009105320A2 Method and system for producing metallic iron nuggets |
| 08/27/2009 | CA2713442A1 Method and system for producing metallic iron nuggets |
| 08/26/2009 | EP2093300A1 Process for production of granular metallic iron and equipment for the production |
| 08/26/2009 | CN100532502C Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| 08/19/2009 | EP2089549A2 Microwave heating method and apparatus for iron oxide reduction |
| 08/19/2009 | CN201292373Y Fusion ironmaking apparatus |
| 08/19/2009 | CN100529109C Direct smelting plant and process |