JPS635448B2 - - Google Patents

Info

Publication number
JPS635448B2
JPS635448B2 JP56033549A JP3354981A JPS635448B2 JP S635448 B2 JPS635448 B2 JP S635448B2 JP 56033549 A JP56033549 A JP 56033549A JP 3354981 A JP3354981 A JP 3354981A JP S635448 B2 JPS635448 B2 JP S635448B2
Authority
JP
Japan
Prior art keywords
carbon dioxide
lower nozzle
oxygen
blown
pine
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
JP56033549A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57149409A (en
Inventor
Yutaka Kino
Michitaka Kanemoto
Yutaka Narita
Yoshihiro Hatsuta
Junichi Sakane
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP3354981A priority Critical patent/JPS57149409A/ja
Publication of JPS57149409A publication Critical patent/JPS57149409A/ja
Publication of JPS635448B2 publication Critical patent/JPS635448B2/ja
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
    • C21C5/30—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)
JP3354981A 1981-03-09 1981-03-09 Refining by top and bottom blowing converter Granted JPS57149409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3354981A JPS57149409A (en) 1981-03-09 1981-03-09 Refining by top and bottom blowing converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3354981A JPS57149409A (en) 1981-03-09 1981-03-09 Refining by top and bottom blowing converter

Publications (2)

Publication Number Publication Date
JPS57149409A JPS57149409A (en) 1982-09-16
JPS635448B2 true JPS635448B2 (en]) 1988-02-03

Family

ID=12389631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3354981A Granted JPS57149409A (en) 1981-03-09 1981-03-09 Refining by top and bottom blowing converter

Country Status (1)

Country Link
JP (1) JPS57149409A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140346U (en]) * 1989-04-20 1990-11-22

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI630276B (zh) * 2016-09-02 2018-07-21 中國鋼鐵股份有限公司 高溫冶煉中固凝物狀態的控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161014A (en) * 1979-05-31 1980-12-15 Sumitomo Metal Ind Ltd Refining method for steel
JPS5613423A (en) * 1979-07-06 1981-02-09 Sumitomo Metal Ind Ltd Refining method for steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140346U (en]) * 1989-04-20 1990-11-22

Also Published As

Publication number Publication date
JPS57149409A (en) 1982-09-16

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