DE3276008D1 - Operation of a top-and-bottom blown converter and a lance used therefor - Google Patents

Operation of a top-and-bottom blown converter and a lance used therefor

Info

Publication number
DE3276008D1
DE3276008D1 DE8282106377T DE3276008T DE3276008D1 DE 3276008 D1 DE3276008 D1 DE 3276008D1 DE 8282106377 T DE8282106377 T DE 8282106377T DE 3276008 T DE3276008 T DE 3276008T DE 3276008 D1 DE3276008 D1 DE 3276008D1
Authority
DE
Germany
Prior art keywords
used therefor
blown converter
bottom blown
lance used
lance
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
DE8282106377T
Other languages
German (de)
Inventor
Kyoji Nakanishi
Kenichiro Suzuki
Michio Tanaka
Jun-Ichi Matsuno
Hisashi Ohmori
Tsutomu Nozaki
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 Steel Corp
Original Assignee
Kawasaki 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
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE3276008D1 publication Critical patent/DE3276008D1/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
    • 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
    • C21C5/35—Blowing from above and through the bath

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)
DE8282106377T 1981-07-17 1982-07-15 Operation of a top-and-bottom blown converter and a lance used therefor Expired DE3276008D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11200381A JPS5816013A (en) 1981-07-17 1981-07-17 Operating method for top and bottom blown converter and top blowing lance for operation of top and bottom blown converter

Publications (1)

Publication Number Publication Date
DE3276008D1 true DE3276008D1 (en) 1987-05-14

Family

ID=14575517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282106377T Expired DE3276008D1 (en) 1981-07-17 1982-07-15 Operation of a top-and-bottom blown converter and a lance used therefor

Country Status (3)

Country Link
EP (1) EP0070526B1 (en)
JP (1) JPS5816013A (en)
DE (1) DE3276008D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162488U (en) * 1983-04-18 1984-10-31 日本鋼管株式会社 underwater oil storage tank
JPS60165313A (en) * 1984-02-07 1985-08-28 Nippon Steel Corp Top blow lance for refining molten metal
JPS62262613A (en) * 1986-05-08 1987-11-14 日立電線株式会社 Uniform movement mechanism for expansion and contraction of cable
CN103361463B (en) * 2012-03-31 2015-11-18 上海梅山钢铁股份有限公司 A kind of oxygen lance in converter position control system and method
BR112017021087B1 (en) 2015-03-30 2021-08-31 Jfe Steel Corporation TOP AND BOTTOM BLOW CONVERTER OPERATING METHOD
CN115466814B (en) * 2022-08-30 2023-09-15 北京科技大学 Converter and method for improving dynamic characteristics of molten pool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730505A (en) * 1970-07-01 1973-05-01 Centro Speriment Metallurg Double delivery lance for refining the steel in the converter processes
AU525023B2 (en) * 1979-05-24 1982-10-14 Sumitomo Metal Industries Ltd. Carbon steel and low alloy steel with bottom blowing b.o.f.
FR2476678A1 (en) * 1980-02-21 1981-08-28 Siderurgie Fse Inst Rech Refining of molten iron in converter - where oxygen is injected into atmos. above molten bath so all carbon mon:oxide is converted to carbon di:oxide
JPS5757816A (en) * 1980-09-19 1982-04-07 Kawasaki Steel Corp Steel making method by composite top and bottom blown converter

Also Published As

Publication number Publication date
EP0070526B1 (en) 1987-04-08
JPS5816013A (en) 1983-01-29
EP0070526A1 (en) 1983-01-26

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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