| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 01/24/2007 | CN1900324A Liquid slag wind chilling treating method for improving high titanium type blast furnace slag particle property |
| 01/24/2007 | CN1900323A Method for recovering and utilizing steel making and iron-making melting slag waste heat by water quenching produced steam |
| 01/18/2007 | WO2006103115A3 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 |
| 01/17/2007 | EP1664353B1 Method and system for granulating slag |
| 01/17/2007 | CN2858659Y Strobe for filtrating water |
| 01/17/2007 | CN2858658Y Barrel for slant type roller slag processor |
| 01/17/2007 | CN2858657Y Riding wheel positioning device for slant type roller slag processor |
| 01/17/2007 | CN2858656Y Protecting equipment for slant type roller slag processor |
| 01/17/2007 | CN2858655Y Riding wheel equipment for slant type roller slag processor |
| 01/17/2007 | CN1898399A Recovery of metal and non-metal value in slag |
| 01/10/2007 | CN2856055Y Slag treatment appts |
| 01/03/2007 | CN1888082A Liquid blast furnace slag heat recovering apparatus and method |
| 01/03/2007 | CN1888081A Liquid blast furnace slag pelletizing method and apparatus for heat recovering process |
| 01/02/2007 | US7157043 Bonded particle filters |
| 01/02/2007 | US7157042 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 12/27/2006 | CN1292080C Method for treating slags on and iron bath |
| 12/20/2006 | EP1733061A1 Method in connection with steel production |
| 12/13/2006 | CN2846426Y Blast furnace water slag treating system and device |
| 12/13/2006 | CN2846425Y Environment protection type slag treating device by cage method |
| 12/13/2006 | CN2846424Y Environment protection type slag treating device by wheel method |
| 12/13/2006 | CN2846423Y Environment protection type slag treating device by filtering method |
| 12/13/2006 | CN1289856C Ash melting furnace and method |
| 12/13/2006 | CN1289855C Ash melting furnace and method |
| 12/06/2006 | CN1288255C Method for manufacturing hard granular water slag and its device |
| 11/23/2006 | US20060260438 Method of treating metallic and non-metallic by-products |
| 11/22/2006 | CN1865458A Lf炉钢渣球 Lf furnace slag ball |
| 11/22/2006 | CN1285530C Cement admixture, cement composition, and cement concrete made therefrom |
| 11/21/2006 | US7138084 Refractory articles |
| 11/09/2006 | WO2006041281A8 Method and device for recovering stainless steel from steel slags under dry conditions |
| 11/08/2006 | EP1718776A1 Ironmaking and steelmaking |
| 11/08/2006 | CN1858262A Method for treating high viscosity metallurgical smelting slag |
| 11/07/2006 | US7132077 Method and apparatus for containing and ejecting a thixotropic metal slurry |
| 11/01/2006 | CN1856583A Method and device for producing slag into granules |
| 10/25/2006 | CN2830411Y Flushing slag cooling tower |
| 10/19/2006 | WO2006108517A1 Method and installation for slag granulation |
| 10/18/2006 | EP1712644A1 Process and plant for granulating slag |
| 10/18/2006 | CN1847440A Ni-Cr-Fe alloy and its production process |
| 10/18/2006 | CN1280430C Method for extracting pig iron by using dust of iron powder plant |
| 10/05/2006 | WO2006103115A2 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 |
| 10/05/2006 | WO2006103114A2 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 |
| 10/05/2006 | CA2602751A1 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 |
| 10/05/2006 | CA2602744A1 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 |
| 10/04/2006 | CN1277779C Cement composition |
| 09/28/2006 | WO2005106048A3 Heat exchanger system used in steel making |
| 09/26/2006 | US7112300 Ladle bottom |
| 09/20/2006 | CN1275683C Method for producing particle-shaped material |
| 09/06/2006 | CN1827783A Chemical additive for pulverized coal injection in blast furnace |
| 09/06/2006 | CN1273620C Molten iron pretreatment method |
| 08/30/2006 | CN1824812A Technique and equipment for processing blast furnace smelting slag |
| 08/17/2006 | US20060179976 Water-soluble foliar nutritional fertilizer and method of using same |
| 08/16/2006 | EP1689894A2 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 08/16/2006 | CN2806483Y High efficiency multifunctional slag removal machine |
| 08/16/2006 | CN1269975C Byproduct sludge recycling apparatus in iron-making system |
| 08/16/2006 | CN1269970C System and method for recycling slag from stainless steel refiner |
| 08/09/2006 | CN2804113Y Dregs flushing ditch |
| 08/09/2006 | CN1814813A Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 08/03/2006 | US20060170139 Separating vessel |
| 08/02/2006 | CN2801791Y Treatment device for metallugical cinder |
| 07/26/2006 | EP1682684A1 The recovery of metallic and non-metallic values from slag |
| 07/25/2006 | US7081150 Additive for inoculation of cast iron and method |
| 07/19/2006 | CN1804047A Method for reclaiming and cyclic utilizing residue molten steel slag in steel making |
| 07/19/2006 | CN1804046A Steel slag release agent |
| 07/19/2006 | CN1264993C Method for separating and extracting metal element from varadium-titanium magnetite |
| 07/12/2006 | CN2795218Y Double chamber roller steel slag treating device using core shaft support |
| 07/12/2006 | CN2795217Y Device for treating metallurgical melting slag using rolling tube method of granulation roller feeding materials |
| 07/12/2006 | CN2795216Y Lifting and dewatering device for blast furnace slag granulation device |
| 07/12/2006 | CN1800811A Specific flux for X-ray fluorescence spectrum analysis |
| 07/11/2006 | US7074361 Ladle |
| 07/06/2006 | DE102005061589A1 Device for treating a melt or slag comprises a vessel for the melt or slag, an injection lance, a lance moving unit, a conveying unit, a pneumatic conveying line and a monitoring device |
| 06/29/2006 | US20060138716 Method for producing a ceramic crucible |
| 06/28/2006 | EP1673316A1 Process of inertization (dampening) of steel making slag for economical reuse |
| 06/28/2006 | CN1793386A Blowing catalysing synergist for furnace and production tech. thereof |
| 06/21/2006 | CN1791685A Method for utilizing slag |
| 06/21/2006 | CN1789431A Method for reclaiming residue steel and slag of molten steel container |
| 06/14/2006 | CN1786201A Dynamic flow deflecting conical disc device used for drum type slag treatment device |
| 06/14/2006 | CN1786200A Thermal air tight treatment method of hot state steel slag |
| 06/07/2006 | EP1664353A1 Method and system for granulating slag |
| 06/01/2006 | WO2006041281A3 Method and device for recovering stainless steel from steel slags under dry conditions |
| 05/31/2006 | CN2784422Y Slag granulating device for metallurgical furnace |
| 05/31/2006 | CN1778500A Treatment and its system for non-ferrous slag superfine powder |
| 05/24/2006 | DE19520651B4 Verfahren zur Verwertung und Entsorgung von Klär- bzw. Wasserwerksschlämmen Process for the recovery and disposal of sewage or Wasserwerksschlämmen |
| 05/24/2006 | CN1775957A Ecological treating method for blast furnace slag containing titanium |
| 05/18/2006 | WO2006050658A1 A smelting process of ferronickel with nickel oxide ore free of crystal water in a blast furnace |
| 05/17/2006 | EP0990847B1 Ash melting furnace and ash melting method thereof |
| 05/11/2006 | US20060096416 Refining agent and refining method |
| 05/10/2006 | CN1769499A Integrated production of subway double-body blast furnace, subway vortex blast furnace and multifunctional rotary membrane electric separation tube |
| 05/10/2006 | CN1769498A Blast furnace cinder water quenching processing unit |
| 05/04/2006 | WO2006045254A1 A smelting process of ferronickel with nickel oxide ore containing of crystal water in a blast furnace |
| 04/20/2006 | WO2006041281A2 Method and device for recovering stainless steel from steel slags under dry conditions |
| 04/20/2006 | DE10326952B4 Verfahren und Vorrichtung zur Granulation flüssiger Schlacken Method and apparatus for granulation of liquid slags |
| 04/13/2006 | DE10210380B4 Schlackenkübel mit Halteeinrichtung Slag pot with holder |
| 04/12/2006 | CN2771216Y Slag granulating device |
| 04/12/2006 | CA2523165A1 Supplying solid feed materials for a direct smelting process |
| 03/30/2006 | US20060065071 reducing oxidic iron particles of the slag with the dissolved carbon of the reducing agent in iron melt to form metallic iron and CO, then oxidizing CO to CO2; forming environmentally compatible cement clinker substitute; low cost, avoid dust loss, lower CO2 emission |
| 03/29/2006 | CN1752237A Method for enriching vanadium in vanadium containing steel slag |
| 03/29/2006 | CN1752217A Steel block cutting device and material |
| 03/23/2006 | US20060060682 Spray head for a granulating system |
| 03/22/2006 | CN1749418A Method for treating furnace slag in producing stainless steel process |
| 03/15/2006 | CN2764787Y Thick-bottom cast-iron slag pot with shielding plate on footing |
| 03/09/2006 | CA2578576A1 Production of ferro-alloys |