GB1354016A - Method of and vacuum treatment apparatus for refining molten metal or alloy - Google Patents

Method of and vacuum treatment apparatus for refining molten metal or alloy

Info

Publication number
GB1354016A
GB1354016A GB4549471A GB4549471A GB1354016A GB 1354016 A GB1354016 A GB 1354016A GB 4549471 A GB4549471 A GB 4549471A GB 4549471 A GB4549471 A GB 4549471A GB 1354016 A GB1354016 A GB 1354016A
Authority
GB
United Kingdom
Prior art keywords
lid
fuel
vacuum treatment
ladle
alloy
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.)
Expired
Application number
GB4549471A
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.)
Stal Laval Apparat AB
Original Assignee
Stal Laval Apparat AB
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 Stal Laval Apparat AB filed Critical Stal Laval Apparat AB
Publication of GB1354016A publication Critical patent/GB1354016A/en
Expired 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

1354016 Metallurgical ladles STAL-LAVAL APPARAT AB 30 Sept 1971 [1 Oct 1970] 45494/71 Heading F4B Apparatus for the vacuum treatment of molten steel comprises a ladle 12, a lid 15 in gas-tight engagement 16 therewith, an oxy-fuel burner 16 extending through the lid and one or more electromagnetic stirrers 13 around the ladle or a porous nozzle 14 or lance supplying argon or dry air. The lid has a connection 21 to an exhaust pump which may be a multi-stage steam ejector (22, Fig. 4) preceded by a cyclone separator. The fuel may be propane, butane or a liquid, e.g. a low sulphur oil and the fuel/oxygen supply is regulated to give complete combustion.
GB4549471A 1970-10-01 1971-09-30 Method of and vacuum treatment apparatus for refining molten metal or alloy Expired GB1354016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1331370A SE354082B (en) 1970-10-01 1970-10-01

Publications (1)

Publication Number Publication Date
GB1354016A true GB1354016A (en) 1974-06-05

Family

ID=20297196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4549471A Expired GB1354016A (en) 1970-10-01 1971-09-30 Method of and vacuum treatment apparatus for refining molten metal or alloy

Country Status (4)

Country Link
DE (1) DE2148091A1 (en)
FR (1) FR2112227B1 (en)
GB (1) GB1354016A (en)
SE (1) SE354082B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104136A (en) * 1974-01-23 1975-08-16
GB2240499A (en) * 1990-02-05 1991-08-07 Labate Michael D Method for producing clean steel for continuous casting
US5413623A (en) * 1992-08-26 1995-05-09 Nippon Steel Corporation Process and apparatus for vacuum degassing molten steel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104136A (en) * 1974-01-23 1975-08-16
GB2240499A (en) * 1990-02-05 1991-08-07 Labate Michael D Method for producing clean steel for continuous casting
GB2240499B (en) * 1990-02-05 1993-08-11 Labate Michael D Method for producing clean steel
US5413623A (en) * 1992-08-26 1995-05-09 Nippon Steel Corporation Process and apparatus for vacuum degassing molten steel

Also Published As

Publication number Publication date
FR2112227B1 (en) 1974-03-29
FR2112227A1 (en) 1972-06-16
SE354082B (en) 1973-02-26
DE2148091A1 (en) 1972-04-06

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed