FR2198998A1 - Discontinuously blowing oxygen in LD converters - to improve the interac-tion between the molten metal and the slag - Google Patents

Discontinuously blowing oxygen in LD converters - to improve the interac-tion between the molten metal and the slag

Info

Publication number
FR2198998A1
FR2198998A1 FR7331959A FR7331959A FR2198998A1 FR 2198998 A1 FR2198998 A1 FR 2198998A1 FR 7331959 A FR7331959 A FR 7331959A FR 7331959 A FR7331959 A FR 7331959A FR 2198998 A1 FR2198998 A1 FR 2198998A1
Authority
FR
France
Prior art keywords
discontinuously
interac
converters
slag
tion
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
FR7331959A
Other languages
English (en)
French (fr)
Other versions
FR2198998B1 (sl
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.)
Italsider SpA
Original Assignee
Italsider SpA
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 Italsider SpA filed Critical Italsider SpA
Publication of FR2198998A1 publication Critical patent/FR2198998A1/fr
Application granted granted Critical
Publication of FR2198998B1 publication Critical patent/FR2198998B1/fr
Granted legal-status Critical Current

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
    • C21C5/32—Blowing from above

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
FR7331959A 1972-09-08 1973-09-05 Discontinuously blowing oxygen in LD converters - to improve the interac-tion between the molten metal and the slag Granted FR2198998A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1288472A IT968129B (it) 1972-09-08 1972-09-08 Procedimento e dispositivo per il soffiaggio di ossigeno nei converti tori l.d. con modalita instazio narie

Publications (2)

Publication Number Publication Date
FR2198998A1 true FR2198998A1 (en) 1974-04-05
FR2198998B1 FR2198998B1 (sl) 1977-08-05

Family

ID=11143672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331959A Granted FR2198998A1 (en) 1972-09-08 1973-09-05 Discontinuously blowing oxygen in LD converters - to improve the interac-tion between the molten metal and the slag

Country Status (5)

Country Link
JP (1) JPS5626685B2 (sl)
BE (1) BE804420A (sl)
DE (1) DE2342003C2 (sl)
FR (1) FR2198998A1 (sl)
IT (1) IT968129B (sl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0539683A1 (fr) * 1991-10-30 1993-05-05 Arbed S.A. Lance de soufflage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58192294U (ja) * 1982-06-16 1983-12-21 日本鋼管株式会社 粉粒状固形物用気密蓋
DE102009030190A1 (de) * 2009-06-24 2011-01-13 Lischka, Helmut, Dr. Injektionsmetallurgisches Einblasverfahren
DE102010047969A1 (de) 2010-03-31 2011-10-06 Sms Siemag Aktiengesellschaft Vorrichtung zur Einblasung von Gas in ein metallurgisches Gefäß

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1247884A (fr) * 1959-03-03 1960-12-02 Arbed Procédé et dispositif d'injection par le haut de gaz dans un bain métallique
FR1346214A (fr) * 1963-02-02 1963-12-13 Demag Ag Lance pour souffler de l'oxygène notamment dans les fours à affiner l'acier ou lesconvertisseurs
FR1348464A (sl) * 1964-04-15
GB977217A (en) * 1962-11-09 1964-12-02 British Oxygen Co Ltd Treatment of molten metal
FR1391601A (fr) * 1964-05-04 1965-03-05 Kloeckner Werke Ag Procédé d'affinage pour la production d'acier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU40842A1 (sl) * 1961-11-20 1962-01-20
DE1286059B (de) * 1962-03-30 1969-01-02 Roechling Sche Eisenwerke Verfahren zum Frischen von Roheisen
DE1433486B2 (de) * 1962-09-11 1972-05-10 Demag Ag, 4100 Duisburg Verfahren und frischmittellanze zum frischen von schmelzbaedern in metallurgischen gefaessen, insbesondere von roheisen in konvertern
US3627295A (en) * 1967-07-26 1971-12-14 Nippon Kokan Kk Blow lance arrangement
DE1758434A1 (de) * 1968-05-31 1971-01-28 Macrosonics Corp Vorrichtung fuer metallurgische Verfahren

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1348464A (sl) * 1964-04-15
FR1247884A (fr) * 1959-03-03 1960-12-02 Arbed Procédé et dispositif d'injection par le haut de gaz dans un bain métallique
GB977217A (en) * 1962-11-09 1964-12-02 British Oxygen Co Ltd Treatment of molten metal
FR1346214A (fr) * 1963-02-02 1963-12-13 Demag Ag Lance pour souffler de l'oxygène notamment dans les fours à affiner l'acier ou lesconvertisseurs
FR1391601A (fr) * 1964-05-04 1965-03-05 Kloeckner Werke Ag Procédé d'affinage pour la production d'acier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0539683A1 (fr) * 1991-10-30 1993-05-05 Arbed S.A. Lance de soufflage
US5303901A (en) * 1991-10-30 1994-04-19 Arbed S.A. Blowing lance with cyclic modulator means for varying flow rate

Also Published As

Publication number Publication date
JPS5626685B2 (sl) 1981-06-20
FR2198998B1 (sl) 1977-08-05
DE2342003A1 (de) 1974-04-18
IT968129B (it) 1974-03-20
JPS4965311A (sl) 1974-06-25
BE804420A (fr) 1974-01-02
DE2342003C2 (de) 1984-07-19

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse