| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
|---|
| 10/08/2008 | CN101283064A Coated slag |
| 10/08/2008 | CN101280346A Hot disintegration method for converter steel slag |
| 10/08/2008 | CN100424196C Lf furnace steel slag ball |
| 10/08/2008 | CN100424189C Method for reclaiming and cyclic utilizing residue molten steel slag in steel making |
| 10/08/2008 | CN100424187C Liquid blast furnace slag heat recovering apparatus and method |
| 10/07/2008 | CA2398341C Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 10/01/2008 | CN101275171A Environment-friendly blast furnace slag treatment process and system therefor |
| 10/01/2008 | CN101275170A Treatment process for high-silicon steel slag |
| 09/24/2008 | EP1805329B1 Method and device for recovering stainless steel from steel slags under dry conditions |
| 09/24/2008 | CN101270399A Method for producing metallic iron grain with iron containing waste slag dust |
| 09/24/2008 | CN101270310A Moulded coal for ironmaking technique of fusion and reduction |
| 09/17/2008 | EP1970455A1 Process and apparatus for dry treatment of all kinds of slags, from low viscosity to pasty |
| 09/12/2008 | WO2007136914A3 Regenerated calcium aluminate product and process of manufacture |
| 08/28/2008 | WO2007102881A3 Composition for reducing steelmaking slag |
| 08/27/2008 | EP1960556A2 Method for reprocessing metallurgical dust or grinding dust, and apparatus for carrying out said method |
| 08/27/2008 | CN201106053Y Coining device for grain slag of blast furnace |
| 08/27/2008 | CN201106024Y Smoldering furnace for steel-smelting high-temperature slag |
| 08/27/2008 | CN101253277A Ore reduction process and titanium oxide and iron metallization product |
| 08/21/2008 | US20080199820 Support Assembly For Supporting Heat Regeneration Checker Work In A Hot Blast Stove, Hot Blast Stove Provided With Said Support Assembly, Method Of Producing Hot Air Using Said Hot Blast Stove |
| 08/20/2008 | EP1587962A4 An improved smelting process for the production of iron |
| 08/20/2008 | CN101245396A Additive agent for reducing viscosity of high titanium type furnace cinder and manufacture method thereof |
| 08/19/2008 | US7413702 Advanced sintering process and tools for use in metal injection molding of large parts |
| 08/13/2008 | CN101240357A Oversized blast furnace iron slag discharge monitoring method and hearth iron slag quantity monitoring method |
| 08/12/2008 | CA2334197C Method for wet granulation of liquid-slag |
| 08/06/2008 | CN201095639Y Water collecting device for granulating slag finished product groove |
| 07/30/2008 | CN101230409A Coke heat strengthening agent for blast furnace iron-smelting |
| 07/23/2008 | EP1756320A4 Heat exchanger system used in steel making |
| 07/23/2008 | CN100404695C Production line of high efficiency energy saving steel slag breeze |
| 07/16/2008 | CN201087194Y Slag clearing machine |
| 07/16/2008 | CN101223290A Method and installation for slag granulation |
| 07/16/2008 | CN101220399A Technique for heating liquid steel scoria |
| 07/09/2008 | EP1940986A1 Coated slag |
| 07/03/2008 | US20080156146 Passivated CaO powder with a low flowability, or the mixture of the passivated CaO powder and CaCO3 powder, and coke, graphite, semi-coke powder or coal; carbureting and deoxidation |
| 07/02/2008 | CN100398667C Method for utilizing slag |
| 06/25/2008 | CN101205562A Metallurgical slag treatment method and treatment apparatus |
| 06/24/2008 | US7389953 Spray head for a granulating system |
| 06/18/2008 | CN201074235Y Liquid furnace slag graining apparatus |
| 06/11/2008 | EP1929051A2 Ore reduction process and titanium oxide and iron metallization product |
| 06/04/2008 | EP1927667A1 A smelting process of ferronickel with nickel oxide ore free of crystal water in a blast furnace |
| 06/04/2008 | EP1927666A1 A smelting process of ferronickel with nickel oxide ore containing of crystal water in a blast furnace |
| 06/04/2008 | CN201068454Y Quenched and coagulated steel slag delivery device |
| 06/04/2008 | CN101194028A Method for processing metallurgical slag |
| 06/04/2008 | CN100392110C Liquid slag sensible heat short-distance recovering method and equipment |
| 06/04/2008 | CN100392109C Production technology of high quality steel slag breeze |
| 06/03/2008 | US7381365 Production of products from steel slags |
| 05/28/2008 | CN101186952A Water spraying device and cooling method for hot converter steelmaking slag |
| 05/28/2008 | CN101186853A Coke passivator and preparation method thereof |
| 05/27/2008 | US7377955 Method and apparatus for treatment of metallurgical slag and the like |
| 05/22/2008 | US20080115624 Efficient recovery of construction grade material; lower levels of disposible environmentally friendly waste |
| 05/21/2008 | CN201062275Y Hold-loop for slag pot and ladle dumping machine |
| 05/21/2008 | CN201062274Y Guide plate of quadric slag quenching pool for steel slag granulation |
| 05/07/2008 | EP1918868A1 Primary products production system and method |
| 05/07/2008 | CN201056571Y Metallurgy slag processing equipment with rotating disc method |
| 05/07/2008 | CN100386447C Method of recovering iron from slag breeze |
| 05/07/2008 | CN100386446C Method of high efficiency recovering iron from slag |
| 05/02/2008 | WO2008033307A3 Combination filter unit for continuous casting |
| 04/30/2008 | CN201053005Y Low-temperature pyrolysis combination producing device for furnace slag and coal powder |
| 04/29/2008 | US7364691 Metallurgical vessel |
| 04/23/2008 | CN201049952Y Water-cooling granulating wheel body for metallurgical furnace slag granulating device |
| 04/23/2008 | CN201049951Y Hydraulic tensioning device for raising dehydrator in metallurgical furnace slag granulation |
| 04/17/2008 | WO2008017724A3 Aggregate and filler extracted from slag |
| 04/16/2008 | CN201047597Y Flow guiding blocks for two-chamber type tumbling cylinder slag processing equipment split stream disk |
| 04/16/2008 | CN201046968Y Fixed ring for double-chamber drum process metallurgical slag processing device |
| 04/16/2008 | CN201046967Y Supporting wheel device for drum process slag processing device |
| 04/08/2008 | CA2398344C Method for treating slags or slag mixtures on an iron bath |
| 04/02/2008 | CN101153347A System and technology for using exhaust heat of dross from ironmaking and steel-smelting by water quenching steam method |
| 03/26/2008 | CN101148685A Slag removing method |
| 03/19/2008 | CN201037145Y Steel slag granulating device |
| 03/05/2008 | CN201031228Y Rotary furnace cinder tumbling cylinder processing equipment with conveying system |
| 02/28/2008 | DE102007038002A1 Recyclate, useful as aggregate to e.g. concrete and cement, comprises slag resulting from extraction of metals, preferably metal smelting slag and iron smelting slag containing less amount of free calcium oxide or free magnesium oxide |
| 02/21/2008 | US20080042328 Substrate Processing Apparatus and Substrate Rotating Device |
| 02/14/2008 | WO2006103114A8 Method and apparatus for the recovery of the secondary metallurgy (lf) slag and its recycling in the steel production process by means of electric arc furnace |
| 02/14/2008 | US20080035320 Heat exchanger system used in steel making |
| 02/13/2008 | CN101121951A Method for manufacturing steel smelting auxiliary agent |
| 02/13/2008 | CN101121948A Method for processing iron-fining furnace slag without water |
| 02/07/2008 | WO2008014579A1 Injection process of granulated rubber into blast furnaces |
| 02/07/2008 | DE102007036577A1 Aggregate used in metallurgical processes contains titanium-containing materials consisting of finely ground natural titanium-containing materials and/or finely ground slag rich in titanium dioxide |
| 02/06/2008 | CN201016116Y Rectangle cooling spraying system |
| 02/06/2008 | CN100366389C Manufacturing method of high-carbon chromium iron slag grinded by wind power and sand-blast material |
| 02/05/2008 | CA2360211C Installation for aqueous granulation |
| 01/30/2008 | CN100365134C Comprehensive recovery method of pyrite slag |
| 01/24/2008 | WO2008009178A1 Dephosphorization method in the process of smelting ni-cr pig iron from a nickel oxide ore |
| 01/23/2008 | CN201010657Y Expanding and shrinking device used for sluiceway |
| 01/16/2008 | CN101104874A Method for processing refined-smelting ladle furnace deep desulfurization finally slag |
| 01/16/2008 | CN101104872A Steel slag dry method slag-splashing treatment method |
| 01/16/2008 | CN100362113C Ecological treating method for blast furnace slag containing titanium |
| 01/09/2008 | EP1432837B1 Integrated prefabrication of reinforced concrete elements including production of concrete reinforcing bars and upgrading of the slag produced |
| 01/09/2008 | CN201002590Y Hydraulic supporting leg |
| 01/09/2008 | CN101100708A Method for separating iron and copper from copper smelt slag |
| 01/02/2008 | EP1871915A1 Method and installation for slag granulation |
| 01/02/2008 | CN101096712A Oscillating conveyer for cupola deslagging and deslagging method thereof |
| 12/26/2007 | EP1870479A2 Method and facility for continuous further processing of molten slag |
| 12/26/2007 | CN200996022Y Blast-furnace cinder granulating plant |
| 12/26/2007 | CN200996021Y Environmental-protecting blast-furnace cinder treating system |
| 12/26/2007 | CN100357208C Steel slag modification and steel slag cement |
| 12/21/2007 | WO2007145481A1 Method of cooling slag generated during preliminary treatment of molten iron |
| 12/19/2007 | EP1866446A2 Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy production in eafs, and the related metering to the furnace for the formation of the process slag |
| 12/19/2007 | CN100356105C Ash melting furnace and method |
| 12/13/2007 | WO2007142837A1 Method of producing high strength, high stiffness and high ductility titanium alloys |
| 12/12/2007 | EP1863942A2 Method and apparatus for the recovery of the secondary metallurgy (lf) slag and its recycling in the steel production process by means of electric arc furnace |