| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 04/07/2010 | CN201436300U Steel-making slag on-line processing apparatus |
| 04/07/2010 | CN101691620A Process and device for processing liquid steel slag |
| 03/31/2010 | EP2168929A1 Method for treating slag flowing from a metallurgical vessel and a device for carrying out said method |
| 03/31/2010 | CN201433221Y Water circulation device for blast furnace slag processing system |
| 03/30/2010 | US7686900 engaging a bottom surface of the flange with a 1st boltless ring, and top surface with a 2nd boltless ring, locking 1st and 2nd boltless rings into a fixed position relative to each other and relative to the flange, heat treating the part, unlocking the first and 2nd boltless rings from each other |
| 03/24/2010 | CN201428147Y Special high-temperature resistant shovel |
| 03/24/2010 | CN201427973Y Water spraying device for graining metallurgical slag |
| 03/24/2010 | CN201427972Y Slag decanting machine for granulating metallurgical slag |
| 03/24/2010 | CN201427079Y Rotary auto-unloading material magnetic separation device |
| 03/17/2010 | CN201424480Y An immediate disposing apparatus of blast furnace dry slag |
| 03/17/2010 | CN100594241C Additive agent for reducing viscosity of high titanium type furnace cinder and manufacture method thereof |
| 03/10/2010 | CN101665845A Liquid blast furnace slag granulation method and device thereof |
| 03/10/2010 | CN101665844A Method for preparing blast furnace slag micropowder by using sintering desulfuration byproducts as auxiliary materials |
| 03/09/2010 | US7674315 techniques for re-introducing iron-rich mill scale back into the basic iron and/or steel process stream whereby valuable economic and environmental benefits may be obtained |
| 03/04/2010 | WO2010023691A1 Method for separation of zinc and extraction of iron values from iron ores with high concentration of zinc |
| 03/04/2010 | WO2010022473A1 Production of ferro-alloys |
| 03/04/2010 | US20100050812 Process for Production of Elemental Iron |
| 03/04/2010 | DE102008038692A1 Process and assembly for the production of granulated blast-furnace slag for production of cement |
| 03/04/2010 | CA2735470A1 Production of ferro-alloys |
| 03/03/2010 | CN201416009Y Low pressure purging device for blast furnace |
| 03/03/2010 | CN201416007Y Slag pot isolator |
| 03/03/2010 | CN101660015A Processing system of heating by using waste heat of hot water for slag flushing in blast furnace |
| 03/03/2010 | CN101660014A Molten blast furnace slag sensible heat recovery method and device |
| 03/03/2010 | CN101660013A Novel high-efficiency blast furnace slag quenching water treatment method |
| 03/03/2010 | CN101660012A Anhydrous granulating technique of metallurgical slag or melted sulphonium and device thereof |
| 02/24/2010 | CN201411466Y Slag pot synchronous translation device |
| 02/24/2010 | CN201411465Y Slag pot self-locking clamping device |
| 02/24/2010 | CN101654717A Comprehensive treatment method of blast furnace dedusting ash |
| 02/17/2010 | CN101649364A Blast furnace slag processing device |
| 02/17/2010 | CN100590205C Anti-scab anticorrosion method for circular washing liquor pipe based on liquid steel slag stew process |
| 02/10/2010 | CN201400690Y Supersonic gas nozzle for granulating liquid molten slags |
| 02/10/2010 | CN101643803A Back washing technology for filtration flushing cinder simultaneously tapped from double tapholes in blast furnace bottom |
| 02/03/2010 | EP2149615A1 Equipment for the treatment of slag from electric furnaces |
| 01/27/2010 | CN201390755Y Surplus heat recovery system of blast furnace slag washing water |
| 01/27/2010 | CN101633967A Steel slag hot stuffy tank wall facilitating maintenance and replacement |
| 01/27/2010 | CN101633966A Device and method for processing slag by seawater and application of processed slag |
| 01/20/2010 | CN101629220A Blast furnace blowing material formed by processing bituminous coal with low metamorphic grade through pyrogenation and carbonization |
| 01/14/2010 | WO2009114157A3 Feed material composition and handling in a channel induction furnace |
| 01/13/2010 | CN201381328Y Improved steel slag tank |
| 01/13/2010 | CN201381327Y Slag steel segmenting plate |
| 01/13/2010 | CN101624637A System and method for centralized classification treatment of steel metallurgic dust mud |
| 01/06/2010 | CN201376971Y Novel steel slag conveying vehicle |
| 01/06/2010 | CN101619367A Melting iron and steel slag heat energy recovery method and device |
| 01/05/2010 | US7641713 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 |
| 12/30/2009 | CN101613772A Method for recycling slag from non-blast furnace ironmaking by COREX smelting reduction process |
| 12/29/2009 | US7638088 Method and device for producing pig iron and/or pig iron intermediate products |
| 12/24/2009 | US20090315233 Process and installation for granulating slag |
| 12/23/2009 | CN101608248A Slag condenser for preventing steel-making slag pulverization and slag condensing method |
| 12/16/2009 | CN201362720Y Novel underwater spindle head |
| 12/16/2009 | CN100569959C Hot disintegration method for molten steel slag |
| 12/10/2009 | WO2009146638A1 Metallic slag pot with new structure and manufacturing method thereof |
| 12/09/2009 | CN201358256Y Novel granulating basin |
| 12/09/2009 | CN101597658A Coal gasification system and method of blast furnace slags |
| 12/09/2009 | CN101597657A Compound coal gasification system and method of blast furnace slags |
| 12/09/2009 | CN101597656A High temperature furnace slag sensible heat power generating method |
| 12/09/2009 | CN101597655A Blast furnace slag liquid grinding aid and preparation method thereof |
| 12/08/2009 | US7628838 Method for producing particle-shaped material |
| 12/03/2009 | US20090293677 High efficient method of slag scooping-up from liquid iron and a device for implementing said method |
| 12/02/2009 | CN101591717A Steel slag hot disintegrating device |
| 11/26/2009 | WO2009090226A9 Process for preparing a foaming slag former, product and use thereof |
| 11/18/2009 | CN201347434Y Steel slag cracking furnace |
| 11/18/2009 | CN100561049C Coupling method of shunting disk for thermal state furnace slag process |
| 11/17/2009 | CA2392938C Apparatus and process to extract heat and to solidify molten material particles |
| 11/11/2009 | CN201343542Y Manual leading change-over valve for slag removal machine |
| 11/03/2009 | US7611665 Ladle bottom |
| 11/03/2009 | CA2641529C Slag transport and dumping apparatus and method |
| 10/29/2009 | US20090267274 Skimmer apparatus and method |
| 10/28/2009 | CN101565764A Slag pot tipping feeder |
| 10/28/2009 | CN101565763A Slag recovery device |
| 10/21/2009 | CN101560579A Welded slag ladle |
| 10/21/2009 | CN101560578A Performance adjustment material for activating steel slag at high temperature and application thereof |
| 10/21/2009 | CN100552045C Water spraying device and cooling method for hot converter steelmaking slag |
| 10/14/2009 | CN201324569Y Steel tailing mud treating system |
| 10/14/2009 | CN101555808A Method and special device for collecting surplus heat of flushing cinder hot water of iron-smelting furnace |
| 10/14/2009 | CN101555531A Method for activating and modifying steel slag by residual heat of converter steel slag |
| 10/13/2009 | US7600397 Process and installation for granulating slag |
| 10/07/2009 | CN201321463Y High-temperature steel slag treating pond |
| 10/07/2009 | CN101550461A Recovery method of blast furnace slag water residual heat and method thereof |
| 10/07/2009 | CN101550460A Method and apparatus of blast furnace slag quench and heat recovery |
| 10/06/2009 | US7597736 Method for utilizing slag |
| 10/06/2009 | CA2428469C Method and apparatus for treatment of metallurgical slag and the like |
| 09/30/2009 | CN101545383A Method for generating electricity by using blast furnace slag heat and device thereof |
| 09/30/2009 | CN101545018A Technological method of ladle slag thermal processing |
| 09/30/2009 | CN101545017A Ladle slag modifying agent |
| 09/24/2009 | WO2009116684A1 Method of processing slag |
| 09/23/2009 | CN101538622A Steel slag wind-crushing system |
| 09/23/2009 | CN101538621A Molten iron pretreatment slag removing device and process thereof |
| 09/23/2009 | CN100543148C Coke heat strengthening agent for blast furnace iron-smelting |
| 09/22/2009 | CA2420533C Process and apparatus for distributing a lumpy bulk material |
| 09/09/2009 | CN201305603Y Combined granulating wheel used for metallurgical slag granulation |
| 09/02/2009 | CN101519298A Preparation method and application of stainless steel slag water-seepage and expansion cooling column |
| 09/01/2009 | US7582253 Heat exchanger system used in steel making |
| 08/19/2009 | CN100529122C Refining material for reductive steel refining and granulation method thereof |
| 08/19/2009 | CN100529110C Ironmaking and steelmaking |
| 08/12/2009 | CN201288193Y Improved slag pan vehicle |
| 08/12/2009 | CN201288192Y Vertical mill machine group for COREX slag |
| 08/12/2009 | CN100526477C Slag removing method |
| 08/11/2009 | CA2270225C Process for returning finely dispersed solids discharged with a carrier gas from a reactor vessel |
| 08/05/2009 | EP1871915B8 Method and installation for slag granulation |
| 08/05/2009 | CN201284347Y Grate bar structure of steel slag drum |