ATE515581T1 - METHOD FOR TREATING METAL MELTS WITH AN OXYGEN FRESHNER - Google Patents

METHOD FOR TREATING METAL MELTS WITH AN OXYGEN FRESHNER

Info

Publication number
ATE515581T1
ATE515581T1 AT04741571T AT04741571T ATE515581T1 AT E515581 T1 ATE515581 T1 AT E515581T1 AT 04741571 T AT04741571 T AT 04741571T AT 04741571 T AT04741571 T AT 04741571T AT E515581 T1 ATE515581 T1 AT E515581T1
Authority
AT
Austria
Prior art keywords
oxygen
freshner
metal melts
treating metal
treating
Prior art date
Application number
AT04741571T
Other languages
German (de)
Inventor
Paul Grohmann
Original Assignee
Messer Group Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messer Group Gmbh filed Critical Messer Group Gmbh
Application granted granted Critical
Publication of ATE515581T1 publication Critical patent/ATE515581T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00—Specific additives; Means for adding material different from burners or lances
    • C21C2250/04—Liquid gas
    • C21C2250/042—Liquid oxygen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to a method and device for treating melt metals, in particular melt steels by means of a refining oxygen-based agent. The aim of said invention is to increase the performance of steel refining. For this purpose, a liquid oxygen jet enveloped with a gaseous oxygen jet is used.
AT04741571T 2003-05-23 2004-05-13 METHOD FOR TREATING METAL MELTS WITH AN OXYGEN FRESHNER ATE515581T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10323826A DE10323826A1 (en) 2003-05-23 2003-05-23 Method and device for treating molten metals, in particular molten steel, with a fresh medium of oxygen
PCT/EP2004/050800 WO2004104231A2 (en) 2003-05-23 2004-05-13 Method and device for treating melt metals by means of a refining oxygen-based agent

Publications (1)

Publication Number Publication Date
ATE515581T1 true ATE515581T1 (en) 2011-07-15

Family

ID=33461880

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04741571T ATE515581T1 (en) 2003-05-23 2004-05-13 METHOD FOR TREATING METAL MELTS WITH AN OXYGEN FRESHNER

Country Status (7)

Country Link
EP (1) EP1636390B1 (en)
AT (1) ATE515581T1 (en)
DE (1) DE10323826A1 (en)
ES (1) ES2369362T3 (en)
PL (1) PL1636390T3 (en)
SI (1) SI1636390T1 (en)
WO (1) WO2004104231A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009022208B4 (en) * 2009-05-20 2013-03-28 Messer Group Gmbh Process for treating molten metals
DE102014015660A1 (en) * 2014-10-23 2016-04-28 Messer Austria Gmbh Method and device for heating a furnace chamber using a multi-fuel burner
CN107815583A (en) * 2017-11-07 2018-03-20 西峡县众德汽车部件有限公司 A kind of method of smelting, turbine shroud and its method of smelting
DE102018208433A1 (en) * 2018-05-29 2019-12-05 Sms Group Gmbh Oxygen injector for a converter, in particular for steel production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596311A (en) * 1982-07-01 1984-01-13 Kawasaki Steel Corp Blowing process for converter
DE4315342C1 (en) * 1993-05-08 1994-02-24 Messer Griesheim Gmbh Treating molten metal, in partic. steel with a purifying agent - with liquid oxygen or a two=phase mixt. of liq and gaseous oxygen used as the purifying agent
JPH08199220A (en) 1995-01-30 1996-08-06 Kawasaki Steel Corp Top-bottom blowing converter blowing method and top-blowing lance used therefor
JPH08246021A (en) 1995-03-07 1996-09-24 Nippon Steel Corp Lance nozzle for converter blowing

Also Published As

Publication number Publication date
EP1636390B1 (en) 2011-07-06
DE10323826A1 (en) 2005-01-05
ES2369362T3 (en) 2011-11-29
EP1636390A2 (en) 2006-03-22
WO2004104231A3 (en) 2005-03-03
PL1636390T3 (en) 2011-12-30
WO2004104231A2 (en) 2004-12-02
SI1636390T1 (en) 2012-01-31

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