AU2703888A - Method for cleaning molten metal and apparatus therefor - Google Patents

Method for cleaning molten metal and apparatus therefor

Info

Publication number
AU2703888A
AU2703888A AU27038/88A AU2703888A AU2703888A AU 2703888 A AU2703888 A AU 2703888A AU 27038/88 A AU27038/88 A AU 27038/88A AU 2703888 A AU2703888 A AU 2703888A AU 2703888 A AU2703888 A AU 2703888A
Authority
AU
Australia
Prior art keywords
molten metal
apparatus therefor
cleaning molten
cleaning
therefor
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
AU27038/88A
Other versions
AU605949B2 (en
Inventor
Shuzo Fukuda
Toshio Ishii
Yutaka Okubo
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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
Priority claimed from JP62326723A external-priority patent/JPH01170556A/en
Priority claimed from JP62326722A external-priority patent/JPH01170555A/en
Priority claimed from JP311288A external-priority patent/JP2629225B2/en
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of AU2703888A publication Critical patent/AU2703888A/en
Application granted granted Critical
Publication of AU605949B2 publication Critical patent/AU605949B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/567—Manufacture of steel by other methods operating in a continuous way
    • 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
    • C21C7/0081—Treating and handling under pressure
AU27038/88A 1987-12-25 1988-12-19 Method for cleaning molten metal and apparatus therefor Ceased AU605949B2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP62326723A JPH01170556A (en) 1987-12-25 1987-12-25 Cleaning method for molten metal
JP62-326723 1987-12-25
JP62-326722 1987-12-25
JP62326722A JPH01170555A (en) 1987-12-25 1987-12-25 Cleaning method for molten metal
JP311388 1988-01-12
JP311288A JP2629225B2 (en) 1988-01-12 1988-01-12 Method for cleaning molten metal
JP63-3113 1988-01-12
JP63-3112 1988-01-12

Publications (2)

Publication Number Publication Date
AU2703888A true AU2703888A (en) 1989-08-17
AU605949B2 AU605949B2 (en) 1991-01-24

Family

ID=27453785

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27038/88A Ceased AU605949B2 (en) 1987-12-25 1988-12-19 Method for cleaning molten metal and apparatus therefor

Country Status (6)

Country Link
EP (1) EP0322763B1 (en)
KR (1) KR930005065B1 (en)
AU (1) AU605949B2 (en)
BR (1) BR8806870A (en)
CA (1) CA1337744C (en)
DE (1) DE3883190T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU601893B2 (en) * 1988-01-21 1990-09-20 Nkk Corporation Method for refining molten steel in a vacuum

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404205B (en) * 2014-10-27 2017-02-08 北京科技大学 Method for removing microscopic nonmetallic inclusion in molten steel by using nitrogen-increasing nitrogen-precipitating process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1168461B (en) * 1959-07-10 1964-04-23 Fischer Ag Georg Process for treating molten metal, in particular molten steel
AT256156B (en) * 1961-10-13 1967-08-10 Wilhelm Dipl Ing Dr Tech Stich Process and device for high pressure heat treatment in vacuum produced steel
FR1359312A (en) * 1963-03-14 1964-04-24 Siderurgie Fse Inst Rech Improvements to the degassing processes of molten metals
SE311533B (en) * 1963-11-11 1969-06-16 Asea Ab
DE1583287C3 (en) * 1967-11-30 1973-10-11 Salzgitter Ag, 1000 Berlin Und 3321 Salzgitter Device for carrying out reactions between liquids and gases, in particular for refining pig iron with oxygen
SE329410B (en) * 1968-01-31 1970-10-12 Asea Ab
BE735159A (en) * 1969-06-25 1969-12-29
HU179333B (en) * 1978-10-04 1982-09-28 Vasipari Kutato Intezet Method and apparatus for decreasing the unclusion contents and refining the structure of steels
FR2491954A1 (en) * 1980-10-14 1982-04-16 Pechiney Aluminium DEVICE FOR TREATING A LIQUID METAL BATH BY INJECTING GAS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU601893B2 (en) * 1988-01-21 1990-09-20 Nkk Corporation Method for refining molten steel in a vacuum

Also Published As

Publication number Publication date
BR8806870A (en) 1989-08-29
EP0322763A2 (en) 1989-07-05
KR890010223A (en) 1989-08-07
CA1337744C (en) 1995-12-19
EP0322763B1 (en) 1993-08-11
KR930005065B1 (en) 1993-06-15
EP0322763A3 (en) 1990-02-07
DE3883190D1 (en) 1993-09-16
DE3883190T2 (en) 1994-01-05
AU605949B2 (en) 1991-01-24

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