Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 11 - Making pig-iron other than in blast furnaces
Patents for C21B 11 - Making pig-iron other than in blast furnaces (2,381)
12/2010
12/07/2010US7846379 Industrial furnace
12/02/2010US20100300246 Method of producing non-pyrophoric metallic iron
12/01/2010CN201660651U Blasting device for non-blast furnace iron making
12/01/2010CN101497933B Method for rapidly and directly reducing haematite or limonite into ferrous powder
12/01/2010CN101333575B Process for pre-reducing fine iron ore and device thereof
12/01/2010CN101023311B Smelting apparatus
11/2010
11/30/2010CA2462831C Method for manufacturing titanium oxide-containing slag
11/30/2010CA2408720C Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore
11/24/2010CN201648429U Converting furnace for smelting reduction iron making
11/24/2010CN201648414U Ferruginous material jet reduction furnace
11/17/2010CN101886231A Method for manufacturing nickel iron alloy
11/17/2010CN101886203A Silicon iron product with low content of nitrogen
11/17/2010CN101886154A Method for preparing low-copper molten iron by mixed melting reduction of copper slag and iron ore
11/11/2010DE202007019169U1 Schachtofen Shaft furnace
11/10/2010CN101624639B Method for preventing fluidization high-hydrogen reduction bonding defluidization of iron ore powder
11/03/2010EP2246447A1 Method for producing slag containing oxidized nonferrous metal using upgraded coal
11/03/2010CN101875991A Device and method for entrained-flow gasification iron making
11/03/2010CN101875990A Device and method for smelting iron by gasifying cold bonded coal-containing iron powder pellets
10/2010
10/27/2010EP2243845A1 Method for producing reduced metal using upgraded coal
10/27/2010CN101871030A Production process of byproduct iron of thermal power plant and reduction kiln thereof
10/27/2010CN101871029A Iron making method
10/26/2010CA2456191C Iron ore briquetting
10/26/2010CA2456188C Iron ore briquetting
10/20/2010CN201611212U 用于corex炉dri布料器浇注成型的模具 Dri distributor for corex furnace casting molding mold
10/20/2010CN101864505A Combined method and device for smelting reduction ironmaking
10/19/2010CA2341009C Direct smelting plant
10/14/2010WO2010117008A1 Method for producing metallic iron
10/14/2010CA2757346A1 Method for producing metallic iron
10/13/2010CN101857910A Method for melting, reducing and smelting high-titanium iron ore by oxygen-enriched top blowing
10/13/2010CN101457269B Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust
10/13/2010CN101413040B Apparatus and method for producing direct reduction iron
10/12/2010US7811511 Particle dispersion copper alloy and method for producing the same
09/2010
09/29/2010CN101845529A Preheating reduction furnace for iron making through smelting reduction
09/10/2010WO2010099640A1 Method and equipment of producing iron by smelting-reduction
09/10/2010WO2010030148A4 A reduction and fusing method and reduction and fusing device for a metal oxide using a hermetically sealed crucible
09/09/2010US20100224028 Method for producing hot briquette iron using high-temperature reduced iron and method and apparatus for controlling temperature of reduced iron for hot forming
09/08/2010EP2225401A2 System and method for producing metallic iron
09/08/2010EP2225400A2 Reducing furnace and apparatus for manufacturing molten iron comprising the same
09/08/2010CN101826728A Dynamic reactive power compensation device and control method thereof
09/08/2010CN101824503A Method for producing vanadiferous pigiron by adopting vanadiferous converter steel slag
09/08/2010CN101824502A Reduction roasting magnetic separation process of low-grade raw iron ores
09/08/2010CN101265510B Fusion reduction reaction furnace and fusion smelting method for metal
08/2010
08/18/2010CN201555450U Smelting device for smelting ferronickel by nickel oxide mines
08/18/2010CN101805812A Method for refining metal and preparing building material from mineral
08/18/2010CN101805811A Method and device for smelting iron by using pure-oxygen and hydrogen-rich gas
08/11/2010CN201548061U Multi-channel air blast port for ironmaking equipment use
08/11/2010CN101798610A Method and device using coal to directly reduce iron
08/11/2010CN101481753B Method for smelting nickel-iron alloy from laterite nickel oxide ore
08/11/2010CN101476008B Coke-free ironmaking process for titanium-containing magnet placer
08/05/2010WO2010087464A1 Vertical microwave smelting furnace
08/04/2010EP2213971A1 Device for melting inset material in a cupola
08/04/2010CN101796362A Tuyere structure of smelting furnace
08/04/2010CN101796199A Process for producing molten iron
08/04/2010CN101792867A Combined flow treatment method of tin rough concentrate
08/04/2010CN101792866A Method for refining ferronickel by utilizing waste alumina-based nickel accelerant
08/04/2010CN101792860A Fabric distributing method for trolley in metal reduction reaction and metal reduction method thereof
08/04/2010CN101792859A Method for extracting multiple metals
08/04/2010CN101792840A Ferrous material injection reduction furnace and ferrous material injection reduction process
08/04/2010CN101792835A Feeding system for blast furnace ore and coke channel system
07/2010
07/29/2010WO2010084822A1 Process for manufacturing granular iron
07/29/2010CA2745763A1 Process for manufacturing granular iron
07/28/2010EP2211133A1 Tuyere structure of smelting furnace
07/28/2010EP2210959A1 Process for producing molten iron
07/28/2010CN201534857U 氧气风口更换装置 Replace the oxygen outlet device
07/28/2010CN101790589A Tuyere for manufacturing molten iron and method for injecting gas using the same
07/28/2010CN101787407A Method for reducing and extracting copper smelting waste slag through microwave carbon heating
07/28/2010CN101787406A Technology and device for non-smelting reduction of ultra-fine hematite powder
07/21/2010CN101784859A Iron bath type smelting reduction furnace
07/21/2010CN101781694A Dismounting and transporting trolley
07/15/2010WO2010030148A3 A reduction and fusing method and reduction and fusing device for a metal oxide using a hermetically sealed crucible
07/14/2010CN101775455A Iron reduction device
07/07/2010CN101768650A Method for processing high-iron and low-tin material
06/2010
06/30/2010EP2202325A1 Method of operating vertical furnace
06/30/2010EP2202324A1 Vertical furnace and method of operating the same
06/30/2010EP2202323A1 Vertical furnace
06/29/2010US7744810 Microwave iron-making furnace
06/24/2010US20100154592 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals
06/23/2010EP2199415A1 Method of treating residual flue gas and apparatus therefor
06/23/2010EP2199414A1 Process for producing molten iron
06/23/2010CN101748233A Method and device for smelting iron in arc furnace
06/23/2010CN101748232A Low energy consumption and environmental pollution-free ironmaking device
06/23/2010CN101747069A High-alumina product for steel-smelting electric furnace top
06/22/2010CA2251811C Metal containing compound reduction and melting process
06/17/2010US20100148410 Linear hearth furnace system and methods regarding same
06/16/2010CN101743330A Process for producing molten iron
06/16/2010CN101429582B Method for producing ferro-silicon alloy and calcium aluminate material with red mud and aluminum ash
06/09/2010EP2193212A2 Tuyere for manufacturing molten iron and method for injecting gas using the same
06/09/2010CN101723812A Method for preparing dimethyl ether by utilizing tail gas discharged by melting reduction ironmaking
06/08/2010CA2492243C Metallurgical vessel and method of iron making by means of direct reduction
06/02/2010CN101429581B Method for producing ferro-silicon alloy and magnesium aluminate spinel with aluminum ash and white olivine
06/01/2010US7727304 Smelting process for the production of iron
05/2010
05/27/2010US20100126310 Direct processing of ferrotitania ores and sands
05/26/2010CN101713008A Method and device for extracting iron from melted reduced nickel slag
05/26/2010CN101713006A Melting gasifier test device
05/12/2010CN201463594U Combined spray gun used for iron making by smelting reduction
05/12/2010CN201461348U Device for monitoring running state of air compressor system of COREX dreg vertical mill
05/12/2010CN201458657U Improved structure of discharging device of COREX smelting waste slag powder-hoisting machine
05/12/2010CN101705360A Copper-smelting thermal slag iron-extracting process and device
05/12/2010CN101705324A Process for smelting ferro-nickel by using nickel oxide minerals and smelting device
05/11/2010CA2320654C A direct smelting process
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