| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 05/18/2011 | CN1965093B Heat exchanger system |
| 05/18/2011 | CN102061345A Comprehensive treatment method for recycling ferrous metallurgical slag |
| 05/18/2011 | CN102061344A Method for installing and fixing large lining plate |
| 05/18/2011 | CN102059013A Blast furnace slag flushing water filter |
| 05/18/2011 | CN101560578B Performance adjustment material for activating steel slag at high temperature and application thereof |
| 05/18/2011 | CN101466850B Method of cooling slag generated during preliminary treatment of molten iron |
| 05/17/2011 | US7943083 Drum apparatus for treating slag |
| 05/17/2011 | CA2563035C Heat exchanger system used in steel making |
| 05/12/2011 | WO2011055997A2 Display apparatus |
| 05/11/2011 | CN201825966U Ladle slag-pot mixed-loading vehicle |
| 05/11/2011 | CN201825965U Slag pot car for automatically cleaning steel slag in slag channel |
| 05/11/2011 | CN201825964U Transport trolley for large-tonnage slag ladle |
| 05/11/2011 | CN201825963U Fixing device of cylinder grates |
| 05/11/2011 | CN201825962U Dry-type metallurgical molten slag treating device |
| 05/11/2011 | CN201825961U Fused pyrolytic steel slag exhaust device with blank cap |
| 05/11/2011 | CN201823927U Slag pot carrier with combined dual slag pot carrying mechanisms |
| 05/11/2011 | CN102050959A Method and device for recovering sensible heat of blast furnace slag |
| 05/11/2011 | CN101798606B Leak repairing method for slag dewaterer of puddling blast furnace |
| 05/11/2011 | CN101633966B Device and method for processing slag by seawater and application of processed slag |
| 05/04/2011 | CN201817499U Water processing system for blast-furnace slag granulation |
| 05/04/2011 | CN201817498U Roller support device used for steel slag treatment |
| 05/04/2011 | CN102041329A LF (Ladle Furnace) hot steel slag recycling process |
| 05/04/2011 | CN101717834B Method for preparing heat storage balls by utilizing electric-furnace steel slag |
| 05/04/2011 | CN101476003B Alkali blast furnace blowing coal based direct reducer and production method thereof |
| 05/04/2011 | CN101275171B Environment-friendly blast furnace slag treatment process and system therefor |
| 05/03/2011 | US7935172 Ironmaking and steelmaking |
| 04/28/2011 | US20110094336 Method for producing a steel melt containing up to 30% manganese |
| 04/27/2011 | CN201809362U Vehicle-mounted metallurgical slag transportation afterheat utilization and wastewater recovery device |
| 04/27/2011 | CN201809361U Metallurgical slag pot |
| 04/27/2011 | CN201809360U Device for screening metal smelting scums |
| 04/27/2011 | CN102031318A Comprehensive utilization method of cupola |
| 04/27/2011 | CN102030489A Granulating device for granular melt, in particular for matte or ion-making slag |
| 04/27/2011 | CN101555531B Method for activating and modifying steel slag by residual heat of converter steel slag |
| 04/26/2011 | US7931731 Process for production of elemental iron |
| 04/26/2011 | CA2422253C Refining agent and refining method |
| 04/20/2011 | CN201801529U Spraying equipment of slag treatment roller |
| 04/20/2011 | CN102019286A Method for treating steel slag tailings subjected to magnetic separation |
| 04/20/2011 | CN102019112A Novel process for filtration of tail powder slurry of deep processed product of steel slag |
| 04/20/2011 | CN101476000B Thermal state steel slag waste heat recovery system and recovery method |
| 04/13/2011 | CN201793609U Device for reducing iron from steel slag |
| 04/13/2011 | CN201793585U Steelmaking slag ladle |
| 04/13/2011 | CN201793584U Blast furnace slag treatment device |
| 04/13/2011 | CN201793583U Lining plate for granulating wheel |
| 04/06/2011 | CN201785416U Water cooling cinder runner work lining |
| 04/06/2011 | CN201785408U Impingement plates in water granulated slag groove |
| 04/06/2011 | CN201785407U Blast furnace slag flushing tank device |
| 04/06/2011 | CN201785406U Liquid slag cooling device |
| 04/06/2011 | CN201785405U Steel slag hot-integrating pool |
| 04/06/2011 | CN201785404U Recovering system for high-temperate molten slag |
| 04/06/2011 | CN201785403U Reclaiming system for high-temperature melting slag |
| 04/06/2011 | CN102002555A Method for treating refining slag in stainless steel smelting by using argon oxygen decarburizing furnace |
| 04/06/2011 | CN102002542A Roller A slag processing technology |
| 04/05/2011 | US7918776 Composition for disposing of unused medicines |
| 03/31/2011 | WO2011036180A1 Method and device for using waste heat released in granulating a liquid slag |
| 03/30/2011 | CN201778036U Structure for preventing metallurgical slag pot body from deforming and cracking |
| 03/30/2011 | CN201778035U Buffer slot |
| 03/30/2011 | CN201778034U Single cavity drum handling device for high-temperature slag |
| 03/30/2011 | CN201778033U Abrasive preparation device |
| 03/30/2011 | CN201778032U Collecting device for water granulated slags of blast furnace |
| 03/30/2011 | CN201776022U Device for separating iron particles from flush slag |
| 03/30/2011 | CN101993965A Low-temperature solid slag fused block and preparation method thereof |
| 03/30/2011 | CN101993964A Metallurgical molten slag dry granulating and heat recovering system |
| 03/30/2011 | CN101993963A Method and device for treating low-temperature metallurgical slag |
| 03/30/2011 | CN101283064B Coated slag |
| 03/24/2011 | US20110067526 Desulfurizing agent and method for manufacturing the same |
| 03/23/2011 | CN201770710U Heat recovery device of liquid blast furnace slag |
| 03/23/2011 | CN201770709U Blast furnace slag flushing water waste-heat recovery system |
| 03/23/2011 | CN201770708U Flat clad steel chisel with high strength |
| 03/23/2011 | CN201770707U Dry method processing device of steel slag |
| 03/16/2011 | CN201762344U Mass ejection roller of expansion slag beads |
| 03/16/2011 | CN201762343U Adjustable expansion slag-bead chute |
| 03/16/2011 | CN201762342U Recovery device of waste heat of expansion slag bead |
| 03/16/2011 | CN201762341U Wet-process metallurgy furnace grain slag dewatering equipment with guiding device capable of realizing secondary dewatering |
| 03/16/2011 | CN201762340U Novel device for processing fuming furnace water slag |
| 03/16/2011 | CN201762339U Recycling system for ladle pouring waste hot steel slag |
| 03/16/2011 | CN101693928B Method for purifying primarily selected slag steel |
| 03/10/2011 | WO2011027334A1 Processing of metallurgical slag |
| 03/09/2011 | CN201756561U Cast-repair slag ladle |
| 03/09/2011 | CN201756560U Water slag drum track |
| 03/09/2011 | CN201756559U Steel slag waste heat self-relieving in pressure device |
| 03/09/2011 | CN201756558U Steel slag air-cooled roller press fragmentation - waste heat self-relieving in pressure and waste heat recovery system |
| 03/09/2011 | CN101984088A Method for preparing premelted refining slag by using converter slag and aluminum slag |
| 03/09/2011 | CN101984087A Slag liquefaction heating process and device |
| 03/03/2011 | WO2011023455A1 Method for producing slag granulate and for recuperating heat from liquid melts |
| 03/02/2011 | EP2288734A1 Vortex inhibitor |
| 02/23/2011 | CN101979670A Metallurgical liquid tank |
| 02/16/2011 | CN201746558U Inner-wall steel billet fixing device of slag disintegrating pond |
| 02/16/2011 | CN101977867A Method of processing slag |
| 02/16/2011 | CN101974657A Device for screening metal smelting scum |
| 02/16/2011 | CN101974656A Method for preparing iron ingots and coproducing cadmium hydroxide and copper hydroxide from mixed iron slag by using arc process |
| 02/16/2011 | CN101597657B Compound coal gasification system and method of blast furnace slags |
| 02/09/2011 | CN201737952U Intelligent centrifugal graining molten blast furnace slag system |
| 02/09/2011 | CN101970699A Method for separation of zinc and extraction of iron values from iron ores with high concentration of zinc |
| 02/09/2011 | CN101970695A Vortex inhibitor |
| 02/09/2011 | CN101967528A Novel process for dewatering refined steel pieces as steel slag deep processing product |
| 02/09/2011 | CN101967527A Novel filtering technology of fine iron powder as steel slag deep-processing product |
| 02/09/2011 | CN101550461B Recovery method of blast furnace slag water residual heat and system thereof |
| 02/02/2011 | CN201729840U Front titanium slag treatment device |
| 02/02/2011 | CN201729839U Blast furnace slag tamping machine |
| 02/02/2011 | CN201728169U Spraying gun for cooling water |