| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
|---|
| 12/11/2007 | US7306763 Metallurgical vessel for melting device for liquid metals |
| 12/05/2007 | CN100352946C Technique and equipment for processing blast furnace smelting slag |
| 11/28/2007 | CN200981871Y Roller method steel slag treatment slag feeding device |
| 11/28/2007 | CN100351396C Chemical additive for pulverized coal injection in blast furnace |
| 11/22/2007 | US20070270625 Treatment of Polysilazane Waste |
| 11/14/2007 | EP1747297B1 Method for reducing cr in metallurgical slags containing cr |
| 11/08/2007 | WO2007126306A2 Method for breaking up steel slag blocks by gravity |
| 11/08/2007 | WO2006103115A8 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 |
| 11/08/2007 | US20070256518 Ironmaking and Steelmaking |
| 11/08/2007 | US20070256516 Steel making material recycling system |
| 11/07/2007 | EP0938591B1 Steel slag and ferriferous material reprocessing process useful to produce pig iron and environmentally compatible slags |
| 11/07/2007 | CN200971367Y Underwater bearing protection device of blast furnace slag wash system |
| 11/01/2007 | US20070251352 Pelletized Feed Material for Biomass Generator |
| 10/25/2007 | WO2007118369A1 A short-flow system and method for producing cement with metallurgy slag |
| 10/24/2007 | CN200964420Y Granulating device for slag in liquid state blast furnace slag heat reclaiming process |
| 10/18/2007 | US20070241486 Slide Plate |
| 10/17/2007 | CN101054628A Technique for extracting titanium slag form red mud |
| 10/17/2007 | CN101054607A Processing technique for steel smelting casting residue |
| 10/17/2007 | CN100343394C Blast furnace cinder water quenching processing unit |
| 10/04/2007 | US20070227307 Charging a chromium(Cr)-containing liquid slag onto an iron bath; increasing the carboncontent and suppling energy; tapping the liquid slag having a Cr content of about 0.1% weight after reduction of the Cr; cooling and lowering the carbon content to <1%;leaving the remaining slag for the next melt |
| 10/03/2007 | CN101045947A Alkali exciting and comprehensively utilizing process of iron-containing furnace dust |
| 09/27/2007 | WO2007027998A3 Ore reduction process and titanium oxide and iron metallization product |
| 09/27/2007 | US20070221012 Scrap bale for steel making process |
| 09/26/2007 | CN200952018Y Metallurgical slag ladle |
| 09/26/2007 | CN200952017Y Cast-iron slag pot with slag pushing off plate |
| 09/20/2007 | US20070215249 Method in Connection with Steel Production |
| 09/18/2007 | US7270704 Mixture for fabrication of fireproof high-strength spherical granules and the method of their manufacture |
| 09/13/2007 | WO2007102881A2 Composition for reducing steelmaking slag |
| 09/13/2007 | US20070209476 Treatment of base metal smelter slag |
| 09/12/2007 | EP1832561A2 Mineral cement |
| 09/12/2007 | CN101035920A Production of ferro-alloys |
| 09/12/2007 | CN100336914C Slag water-retaining thermal-insulation vapour maintenance treatment method |
| 09/05/2007 | CN200943092Y Blast furnace slag dry-type graining apparatus |
| 09/05/2007 | CN200943091Y Cylinder slag treatment explosion-proof water drainage device |
| 09/04/2007 | US7264769 Apparatus for the delivery of molten metal |
| 08/29/2007 | CN200940148Y Centrifugal treatment equipment for steel slag |
| 08/22/2007 | CN1333086C Steel slag release agent |
| 08/16/2007 | WO2007092006A1 Conditioned quicklime for injection to a molten bath of a steel-making vessel |
| 08/16/2007 | CA2640471A1 Conditioned quicklime for injection to a molten bath of a steel-making vessel |
| 08/09/2007 | WO2007087726A1 Slag transport and dumping apparatus and method |
| 08/09/2007 | WO2007068025A3 Method for reprocessing metallurgical dust or grinding dust, and apparatus for carrying out said method |
| 07/18/2007 | CN2923723Y Liquid furnace-sludge heat recovering apparatus |
| 07/18/2007 | CN2923722Y Furnace sludge-fiber production device |
| 07/18/2007 | CN2923721Y Water drges product chute dewatering apparatus |
| 07/11/2007 | EP1805329A2 Method and device for recovering stainless steel from steel slags under dry conditions |
| 07/10/2007 | US7240520 Method and device for pulverizing and granulating melts |
| 07/04/2007 | CN2918437Y Blast furnace water-flushing-slag apparatus |
| 06/27/2007 | EP1799875A1 Production of ferro-alloys |
| 06/27/2007 | EP1689894A4 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 06/27/2007 | CN1986836A Environment friendly blast furnace slag treating process and system |
| 06/20/2007 | CN1985009A Process and apparatus for granulating a melt |
| 06/13/2007 | EP1795616A1 Drum apparatus for treating slag |
| 06/07/2007 | WO2007031825A3 Processing metallurgical slag |
| 06/06/2007 | EP1792879A1 A process and system for treating ultra fine powder of steel slag |
| 06/06/2007 | CN1320142C Method for enriching vanadium in vanadium containing steel slag |
| 05/30/2007 | CN1970796A Production and utilization process for making steel using smelting slag |
| 05/30/2007 | CN1318609C Agglomerate surface additive for ironmaking |
| 05/30/2007 | CN1318608C Thermal air tight treatment method of hot state steel slag |
| 05/17/2007 | US20070107466 Process and installation for granulating slag |
| 05/16/2007 | CN1965093A Heat exchanger system used in steel making |
| 05/16/2007 | CN1962879A Treatment system for blast-furnace slag |
| 05/10/2007 | US20070102853 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 05/09/2007 | CN1959203A Smelting process of energy saving furnace |
| 05/09/2007 | CN1314493C Spraying head for granulation device |
| 05/02/2007 | CN1955316A Iron steel smelting slag micropowder and its production technology |
| 05/02/2007 | CN1313627C Dynamic flow deflecting conical disc device used for drum type slag treatment device |
| 05/02/2007 | CN1313626C Method for treating blast furnace dust |
| 05/02/2007 | CN1313625C Process for recovering slag iron ball and slag iron powder from steel-iron slag |
| 04/25/2007 | CN1954086A Method for reducing cr in metallurgical slags containing cr |
| 04/25/2007 | CN1952180A Process for manufacturing low-nickel pig iron by smelting high-magnesium low-nickel chromium mineral |
| 04/25/2007 | CN1312295C Blast furnace slag flushing technology by pneumatic lifting runner and its flushing device |
| 04/19/2007 | WO2007042451A1 Coated slag |
| 04/19/2007 | US20070084306 Composition for reducing steelmaking slag |
| 04/17/2007 | US7204955 Casting ladle |
| 04/17/2007 | CA2295298C Treatment of aluminum dross |
| 04/11/2007 | CN1944685A Overlapped chamber type slage cooling machine |
| 04/10/2007 | US7201868 Direct smelting plant |
| 04/04/2007 | CN1308464C Refining agent and refining method |
| 04/03/2007 | US7198658 Heating, carbonizing the biomass in an oxygen-free furnace, reducing the metal oxide, agglomerating the mixture, melting; producing reduced iron from iron oxide by using biomass as reducing agent |
| 03/29/2007 | US20070068425 Process of inertization (dampening) of steel making slag for economical reuse |
| 03/29/2007 | US20070068344 Ore reduction process and titanium oxide and iron metallization product |
| 03/28/2007 | CN1938434A Method in connection with steel production |
| 03/28/2007 | CN1936026A Blastfurnace slag combined treating system |
| 03/22/2007 | WO2006103114A3 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 |
| 03/21/2007 | CN2880846Y Combined slag flowing groove |
| 03/21/2007 | CN2880845Y Slag pot |
| 03/20/2007 | CA2290500C Apparatus for and process of water granulating matte or slag |
| 03/14/2007 | CN1930308A Ironmaking and steelmaking |
| 03/08/2007 | WO2007027998A2 Ore reduction process and titanium oxide and iron metallization product |
| 03/08/2007 | US20070051200 Composite briquettes for electric furnace charge, and in their method of use |
| 03/08/2007 | CA2616394A1 Ore reduction process and titanium oxide and iron metallization product |
| 03/07/2007 | CN1924025A Process for treating slag steel |
| 02/28/2007 | EP1756320A2 Heat exchanger system used in steel making |
| 02/21/2007 | CN1916186A Technique for producing miropowder from dregs of metallurgy |
| 02/07/2007 | CN2866513Y Slagging-off equipment |
| 01/31/2007 | EP1747297A1 Method for reducing cr in metallurgical slags containing cr |
| 01/31/2007 | CN1904080A Dephosphorus iron extraction production method of oolitic high phosphorus red iron ore |
| 01/30/2007 | US7169350 Method and apparatus for making a thixotropic metal slurry |
| 01/30/2007 | US7169349 Method and apparatus for delivering metallurgically improved molten metal |
| 01/24/2007 | CN2861168Y Steel block cutting device |