DE3269285D1 - A multi-step steelmaking refining method - Google Patents

A multi-step steelmaking refining method

Info

Publication number
DE3269285D1
DE3269285D1 DE8282102580T DE3269285T DE3269285D1 DE 3269285 D1 DE3269285 D1 DE 3269285D1 DE 8282102580 T DE8282102580 T DE 8282102580T DE 3269285 T DE3269285 T DE 3269285T DE 3269285 D1 DE3269285 D1 DE 3269285D1
Authority
DE
Germany
Prior art keywords
refining method
steelmaking refining
step steelmaking
steelmaking
refining
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
DE8282102580T
Other languages
German (de)
Inventor
Nishimura C O Nippon Mitsuhiko
Sakurada C O Nippon Morikatsu
Omori C O Nippon Steel Masanao
Takeda C O Nippon St Katsuhiko
Kojima C O Nippon St Masamichi
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 JP56047023A external-priority patent/JPS57161018A/en
Priority claimed from JP8933181A external-priority patent/JPS57203711A/en
Priority claimed from JP8933381A external-priority patent/JPS57203713A/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE3269285D1 publication Critical patent/DE3269285D1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • 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
    • C21C5/285—Plants therefor
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
DE8282102580T 1981-03-30 1982-03-26 A multi-step steelmaking refining method Expired DE3269285D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56047023A JPS57161018A (en) 1981-03-30 1981-03-30 Refining method for molten iron
JP8933181A JPS57203711A (en) 1981-06-10 1981-06-10 Refining method in steel making
JP8933381A JPS57203713A (en) 1981-06-10 1981-06-10 Method of decarburization refining in reaction vessel with small free board

Publications (1)

Publication Number Publication Date
DE3269285D1 true DE3269285D1 (en) 1986-04-03

Family

ID=27292844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282102580T Expired DE3269285D1 (en) 1981-03-30 1982-03-26 A multi-step steelmaking refining method

Country Status (3)

Country Link
EP (1) EP0061749B1 (en)
AU (1) AU532932B2 (en)
DE (1) DE3269285D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58207314A (en) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Ltd Refining method of steel
DE3316367A1 (en) * 1983-05-05 1984-11-08 Mannesmann AG, 4000 Düsseldorf METHOD AND DEVICE FOR PRODUCING STEEL
FR2558482B1 (en) * 1984-01-25 1989-10-27 Siderurgie Fse Inst Rech PROCESS FOR THE PREPARATION OF STEEL BY CAST IRON
JPS60194047A (en) * 1984-03-14 1985-10-02 Aichi Steel Works Ltd High quality bearing steel and its production
FR2566427B1 (en) * 1984-06-22 1989-10-13 Siderurgie Fse Inst Rech PLANT FOR THE PREPARATION OF STEEL BY CAST IRON
CH686562A5 (en) * 1992-09-25 1996-04-30 Marti Technologie Ag Steel mill arrangement.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU43212A1 (en) * 1962-04-24 1963-04-18
DE2522194A1 (en) * 1975-05-17 1976-12-02 Vacmetal Gmbh PROCESS AND DEVICE FOR MANUFACTURING QUALITY STEEL
US4295882A (en) * 1978-10-24 1981-10-20 Nippon Steel Corporation Steel making process

Also Published As

Publication number Publication date
EP0061749B1 (en) 1986-02-26
AU532932B2 (en) 1983-10-20
AU8184882A (en) 1982-11-04
EP0061749A1 (en) 1982-10-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee