Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
01/2008
01/23/2008CN101109028A Method of upside-down mounting hydraulic pressure lifting of converter shell
01/22/2008CA2410558C Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing
01/22/2008CA2290815C Loading system for electric arc furnaces
01/17/2008WO2008007387A1 A dust recycling system for enhanced availability of corex
01/17/2008DE102006042794A1 Thermic lance head for cutting metal or concrete has coating consisting of ductile metal matrix with hard material particles embedded in it
01/17/2008DE102006031687A1 Element Element
01/16/2008EP1877715A1 Means for conveying material
01/16/2008CN201006882Y Oxygen spray pistol of revolving furnace structure
01/16/2008CN201006881Y Melting compartment and fusion metallurgy reactor
01/16/2008CN101104878A Device for mixing saturated steam and superheated steam used for vacuum refining furnace
01/10/2008DE102006029724A1 Verfahren und Ofen zum Schmelzen von Stahlschrott Method and furnace for melting steel scrap
01/09/2008EP1875147A1 Lance extraction
01/09/2008EP1432837B1 Integrated prefabrication of reinforced concrete elements including production of concrete reinforcing bars and upgrading of the slag produced
01/09/2008EP1340823B1 Converter oxygen blowing method and upward blowing lance for converter oxygen blowing
01/09/2008EP1171639B1 Continuous charge preheating, melting, refining and casting
01/09/2008CN201003061Y Novel slag scraper suitable for steel-making converter oxygen gun
01/09/2008CN201003060Y Throwing mechanism of converter throwing type detector
01/09/2008CN201003059Y Lower suspension tilting converter
01/09/2008CN101103126A Method and installation for the production of secondary steel based on scrap
01/09/2008CN100360689C Process and apparatus for automatically controlling slag foaming
01/09/2008CN100360688C Direct smelting method and equipment
01/09/2008CN100360260C Gas rinser with suitable slot-shaped canals
01/08/2008US7316800 Electromagnetic helical pump for high-temperature transportation of molten metal
01/03/2008WO2008002585A1 Oxygen injection method
01/03/2008WO2006107332A3 Linear hearth furnace system and methods regarding same
01/03/2008US20080000325 jet of oxygen is discharged from a convergent-divergent passageway of a nozzle at a supersonic velocity as part of a structured jet having an outer circumferential region composed of a mixture of fuel and oxygen that auto-ignites and combusts in the furnace atmosphere and not within the nozzle
01/03/2008DE102006029725A1 Verfahren und Vorrichtung zum Einbringen von Stäuben in eine Metallschmelze einer pyrometallurgischen Anlage Method and apparatus for introducing dusts into a molten metal of a pyrometallurgical plant
01/02/2008EP1872074A1 Equipment for measurement and control of load material or scrap feeding into a furnace and relative method
01/02/2008CN200999253Y Supersonic water-cooling oxygen gun
01/02/2008CN101096734A Electric arc furnace smelting stainless steel mother liquid steel slag foaming agent
01/02/2008CN101096717A Mother liquid foam slag generating method for smelting stainless steel with electric furnace and dephosphorization melted iron
01/02/2008CN101096716A Electric furnace smelting method for high-grade pipe line steel
01/02/2008CN101096715A Electric furnace smelting method for low-carbon low-silicon steel
01/02/2008CN100359035C X65 pipeline steel for use in acid condition and its making process
12/2007
12/26/2007EP1869388A1 Cover for a connection conveyor for loading a metal charge into a melting furnace and relative movement device
12/26/2007EP1585950B1 A process for keeping a tuyere passing through a metallurgical vessel free of a skull
12/26/2007CN101092661A Electric furnace feed stock of iron ore powder of sodium silicate sub-carbonized and semi conducted accumulated pieces
12/26/2007CN101092656A Method for smelting base metal of low phosphorous stainless steel by using low-grade limonite of containing nickel-chromium
12/26/2007CN100357693C Method for repairing furnace lining of intermediate frequency furnace for steelmaking
12/26/2007CN100357471C Cast piece and sheet of ferritic stainless steel, and method for production thereof
12/26/2007CN100357458C Converter fume cooling and dedusting method
12/21/2007WO2007145384A1 A method for stabilizing slag and novel materials produced thereby
12/20/2007US20070290420 Sealing apparatus for a slag door of a metallurgical furnace
12/20/2007US20070290419 Metallurgical Processing Installation
12/20/2007DE112005002550T5 Gaseinblaslanze Gaseinblaslanze
12/19/2007EP1867736A1 Process for producing ferronickel
12/19/2007EP1866446A2 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
12/19/2007CN200992561Y Refining ladle turret device
12/19/2007CN200992560Y Integral furnace apron slag baffle
12/19/2007CN200992559Y Converter mobile gun patching machine
12/19/2007CN200992558Y Converter roofing dust collecting device
12/19/2007CN101088663A Converter process of producing continuously cast circular steel billet for high pressure boiler pipe
12/18/2007US7309674 Gunning mixture of 40-90 dry weight % amorphous silica aggregates (vitreous), up to 40% alumina-based compounds (kyanite, andalusite, chamotte, mullite), 10-15% clay, 0.2-2.0% chemical binder (phosphoric acid, acid aluminum phosphate, aluminum sulfate, sodium silicate), 2-8% water; coke oven repair
12/18/2007CA2337177C Induction furnace for a metal reduction and melting process
12/13/2007US20070284793 Ascending/descending apparatus and complex sintering furnace using the same
12/12/2007EP1863942A2 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
12/12/2007CN200988846Y Novel multiple conical degree conic oxygen gun
12/12/2007CN101087892A Metallurgical vessel with fixing system
12/12/2007CN101086203A Method for producing continuous casting round billet for petroleum bush using convertor process
12/12/2007CN100354434C Device for preventing primary slag from mixing with discharged molten steel through improving components of material
12/12/2007CN100354433C 转炉冶炼方法 Smelting method
12/11/2007US7306763 Metallurgical vessel for melting device for liquid metals
12/06/2007US20070278722 Hoisting mechanism for steel processing ladles in rh degassers
12/05/2007CN200985930Y Electric stove horizontal moving oil cylinder dust proof device
12/05/2007CN101084320A Method of degassing molten metal
12/05/2007CN101082072A New melting agent for steelmaking furnace slag
12/05/2007CN101082071A Control method for oxygen gun blowing place
12/05/2007CN101082070A Control method for ensuring safe operation of revolving furnace flue duct
12/05/2007CN100352960C Refining method of chromium containing fused metal
12/05/2007CN100352950C Melting process of weather-resistant steel
12/05/2007CN100352949C Smelting technology of weather resistant steel
12/04/2007CA2260181C A top injection lance
11/2007
11/29/2007WO2007134382A1 Direct smelting vessel and cooler therefor
11/29/2007WO2007096411A3 Method for cooling metallurgical vessels
11/29/2007US20070272058 Direct Smelting Plant and Process
11/29/2007US20070272054 Method and Installation for the Production of Steel Products Having an Optimum Surface Quality
11/29/2007CA2652236A1 Direct smelting vessel and cooler therefor
11/28/2007EP1859216A1 Connection conveyor for loading a metal charge into a melting plant
11/28/2007EP1859215A2 Device for loading a metal charge in a melting plant
11/28/2007CN200981878Y Oxygen blast aluminizing pipe for steelmaking
11/28/2007CN200981877Y Coupling structure for converter torsion bar device connecting rod
11/28/2007CN200981876Y Converter accident drive device
11/28/2007CN200981875Y Multi-adaptability composite structure large-scale] converter backing ring
11/28/2007CN200981874Y Revolving furnace throwing-falling type detecting probe
11/28/2007CN101080503A 气体喷枪 Gas gun
11/28/2007CN101078515A Improved burner panel and related method
11/28/2007CN100351401C Molten slag gasification dephosphorization method during converter splash protection process
11/22/2007WO2007082030A3 Use of an induction furnace for the production of iron from ore
11/22/2007US20070266824 Using a slag conditioner to beneficiate bag house dust from a steel making furnace
11/21/2007EP1857760A1 Improved burner panel and related methods
11/21/2007EP1855826A1 Ejector for opening a steel casting ladle channel
11/21/2007EP1492893B1 Method and installation for producing stainless steel, especially high-quality steel containing chromium or nickel chromium
11/21/2007CN100350059C Dedusting magnesium iron ball and its application in electric furnace slag-making
11/21/2007CN100350058C Application of preprocessed molten iron in electric steelmaking
11/21/2007CN100350057C Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace
11/21/2007CN100349691C Manufacture for casting low-alloy cold-working die steel and die steel thereby
11/15/2007US20070262499 Mud gun cap
11/15/2007US20070261321 Method of Building a Direct Smelting Plant
11/15/2007DE102006022410A1 Verfahren zum kontinuierlichen Einschmelzen von kleinstückigen Eisenträgern A method for the continuous melting of small-sized iron girders
11/15/2007DE102006022409A1 Die Erfindung betrifft ein Verfahren zur Erhöhung des Schrotteinsatzes bei der Stahlherstellung in einem bodenblasenden Konverter The invention relates to a method for increasing the scrap use in steel making in a bottom-blowing converter
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