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WO2004104231A3 - Method and device for treating melt metals by means of a refining oxygen-based agent - Google Patents

Method and device for treating melt metals by means of a refining oxygen-based agent Download PDF

Info

Publication number
WO2004104231A3
WO2004104231A3 PCT/EP2004/050800 EP2004050800W WO2004104231A3 WO 2004104231 A3 WO2004104231 A3 WO 2004104231A3 EP 2004050800 W EP2004050800 W EP 2004050800W WO 2004104231 A3 WO2004104231 A3 WO 2004104231A3
Authority
WO
WIPO (PCT)
Prior art keywords
based agent
melt metals
refining oxygen
refining
treating
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2004/050800
Other languages
German (de)
French (fr)
Other versions
WO2004104231A2 (en
Inventor
Paul Grohmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim 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 Griesheim GmbH filed Critical Messer Griesheim GmbH
Priority to EP04741571A priority Critical patent/EP1636390B1/en
Priority to PL04741571T priority patent/PL1636390T3/en
Priority to SI200431758T priority patent/SI1636390T1/en
Priority to AT04741571T priority patent/ATE515581T1/en
Publication of WO2004104231A2 publication Critical patent/WO2004104231A2/en
Publication of WO2004104231A3 publication Critical patent/WO2004104231A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00Specific additives; Means for adding material different from burners or lances
    • C21C2250/04Liquid gas
    • C21C2250/042Liquid 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.
PCT/EP2004/050800 2003-05-23 2004-05-13 Method and device for treating melt metals by means of a refining oxygen-based agent Ceased WO2004104231A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP04741571A EP1636390B1 (en) 2003-05-23 2004-05-13 Method for treating melt metals by means of a refining oxygen-based agent
PL04741571T PL1636390T3 (en) 2003-05-23 2004-05-13 Method for treating melt metals by means of a refining oxygen-based agent
SI200431758T SI1636390T1 (en) 2003-05-23 2004-05-13 Method for treating melt metals by means of a refining oxygen-based agent
AT04741571T ATE515581T1 (en) 2003-05-23 2004-05-13 METHOD FOR TREATING METAL MELTS WITH AN OXYGEN FRESHNER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10323826.3 2003-05-23
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

Publications (2)

Publication Number Publication Date
WO2004104231A2 WO2004104231A2 (en) 2004-12-02
WO2004104231A3 true WO2004104231A3 (en) 2005-03-03

Family

ID=33461880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/050800 Ceased WO2004104231A2 (en) 2003-05-23 2004-05-13 Method and device for treating melt metals by means of a refining oxygen-based agent

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

Citations (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
EP0624655A1 (en) * 1993-05-08 1994-11-17 Messer Griesheim Gmbh Process and installation for treating of molten metal, in particular molten steel with a refining 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

Patent Citations (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
EP0624655A1 (en) * 1993-05-08 1994-11-17 Messer Griesheim Gmbh Process and installation for treating of molten metal, in particular molten steel with a refining 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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 085 (C - 219) 18 April 1984 (1984-04-18) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 12 26 December 1996 (1996-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 01 31 January 1997 (1997-01-31) *

Also Published As

Publication number Publication date
EP1636390A2 (en) 2006-03-22
WO2004104231A2 (en) 2004-12-02
DE10323826A1 (en) 2005-01-05
ATE515581T1 (en) 2011-07-15
EP1636390B1 (en) 2011-07-06
ES2369362T3 (en) 2011-11-29
SI1636390T1 (en) 2012-01-31
PL1636390T3 (en) 2011-12-30

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