EP2216110A3 - Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD - Google Patents

Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD Download PDF

Info

Publication number
EP2216110A3
EP2216110A3 EP10000617.0A EP10000617A EP2216110A3 EP 2216110 A3 EP2216110 A3 EP 2216110A3 EP 10000617 A EP10000617 A EP 10000617A EP 2216110 A3 EP2216110 A3 EP 2216110A3
Authority
EP
European Patent Office
Prior art keywords
inert gas
side nozzles
bof
period
coiling
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.)
Granted
Application number
EP10000617.0A
Other languages
German (de)
English (en)
Other versions
EP2216110B1 (fr
EP2216110A2 (fr
Inventor
Hans-Jürgen ODENTHAL
Udo Falkenreck
Guido Kleinschmidt
Jochen SCHLÜTER
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.)
SMS Group GmbH
Original Assignee
SMS 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 SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP2216110A2 publication Critical patent/EP2216110A2/fr
Publication of EP2216110A3 publication Critical patent/EP2216110A3/fr
Application granted granted Critical
Publication of EP2216110B1 publication Critical patent/EP2216110B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002Treatment with gases
    • B22D1/005Injection assemblies therefor
    • 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
    • C21C5/34Blowing 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
    • C21C5/48Bottoms or tuyéres of converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
EP10000617.0A 2009-01-22 2010-01-22 Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD Active EP2216110B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009005795 2009-01-22
DE102009049896A DE102009049896A1 (de) 2009-01-22 2009-10-20 Impulsspülung mit Inertgas beim BOF- und AOD-Konverterprozess

Publications (3)

Publication Number Publication Date
EP2216110A2 EP2216110A2 (fr) 2010-08-11
EP2216110A3 true EP2216110A3 (fr) 2017-02-08
EP2216110B1 EP2216110B1 (fr) 2021-06-23

Family

ID=42309065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000617.0A Active EP2216110B1 (fr) 2009-01-22 2010-01-22 Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD

Country Status (2)

Country Link
EP (1) EP2216110B1 (fr)
DE (1) DE102009049896A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511862A1 (de) * 1974-04-11 1975-10-23 Creusot Loire Verfahren und vorrichtung zum einblasen von strahlen unterschiedlicher impulse in metallschmelzen
US4334921A (en) * 1979-04-16 1982-06-15 Nippon Steel Corporation Converter steelmaking process
US4382817A (en) * 1980-01-02 1983-05-10 Institute De Recherches De La Siderurgie Francaise Process for periodically and pneumatically stirring a bath of molten metal
EP1764421A2 (fr) * 2002-08-21 2007-03-21 Voest-Alpine Industrieanlagenbau GmbH & Co. Dispositif de décarburation d'une fonte d'acier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05105925A (ja) * 1991-10-17 1993-04-27 Nippon Steel Corp 金属浴式の溶融還元法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511862A1 (de) * 1974-04-11 1975-10-23 Creusot Loire Verfahren und vorrichtung zum einblasen von strahlen unterschiedlicher impulse in metallschmelzen
US4334921A (en) * 1979-04-16 1982-06-15 Nippon Steel Corporation Converter steelmaking process
US4382817A (en) * 1980-01-02 1983-05-10 Institute De Recherches De La Siderurgie Francaise Process for periodically and pneumatically stirring a bath of molten metal
EP1764421A2 (fr) * 2002-08-21 2007-03-21 Voest-Alpine Industrieanlagenbau GmbH & Co. Dispositif de décarburation d'une fonte d'acier

Also Published As

Publication number Publication date
EP2216110B1 (fr) 2021-06-23
DE102009049896A1 (de) 2010-08-05
EP2216110A2 (fr) 2010-08-11

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