JPS5254608A - Process for the operation of convertor - Google Patents

Process for the operation of convertor

Info

Publication number
JPS5254608A
JPS5254608A JP13173875A JP13173875A JPS5254608A JP S5254608 A JPS5254608 A JP S5254608A JP 13173875 A JP13173875 A JP 13173875A JP 13173875 A JP13173875 A JP 13173875A JP S5254608 A JPS5254608 A JP S5254608A
Authority
JP
Japan
Prior art keywords
iron oxide
slag
convertor
dephosphorization
desulfurization
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
JP13173875A
Other languages
Japanese (ja)
Other versions
JPS569207B2 (en
Inventor
Hiroaki Hirahara
Nobuyuki Kitamura
Terutatsu Misawa
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
Sumitomo Metal Industries 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
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP13173875A priority Critical patent/JPS5254608A/en
Publication of JPS5254608A publication Critical patent/JPS5254608A/en
Publication of JPS569207B2 publication Critical patent/JPS569207B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

PURPOSE:To promote slag making, dephosphorization, and desulfurization by means of forming iron oxide component of slag in an early step of blowing, without adding fluorite, by use of steel scrap containing a large amount of iron oxide, and iron oxide base flux in converter refining.
JP13173875A 1975-10-31 1975-10-31 Process for the operation of convertor Granted JPS5254608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13173875A JPS5254608A (en) 1975-10-31 1975-10-31 Process for the operation of convertor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13173875A JPS5254608A (en) 1975-10-31 1975-10-31 Process for the operation of convertor

Publications (2)

Publication Number Publication Date
JPS5254608A true JPS5254608A (en) 1977-05-04
JPS569207B2 JPS569207B2 (en) 1981-02-27

Family

ID=15065027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13173875A Granted JPS5254608A (en) 1975-10-31 1975-10-31 Process for the operation of convertor

Country Status (1)

Country Link
JP (1) JPS5254608A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1059469C (en) * 1997-01-24 2000-12-13 边恩庭 Cold pressing flake iron ball cooling, slag melting agent and making method thereof
CN1088112C (en) * 1999-10-08 2002-07-24 鞍山钢铁集团公司 Flux and process for forming slag of converter
JP2013253290A (en) * 2012-06-07 2013-12-19 Nisshin Steel Co Ltd Operation method of converter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108210U (en) * 1983-12-28 1985-07-23 平和堂貿易株式会社 ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1059469C (en) * 1997-01-24 2000-12-13 边恩庭 Cold pressing flake iron ball cooling, slag melting agent and making method thereof
CN1088112C (en) * 1999-10-08 2002-07-24 鞍山钢铁集团公司 Flux and process for forming slag of converter
JP2013253290A (en) * 2012-06-07 2013-12-19 Nisshin Steel Co Ltd Operation method of converter

Also Published As

Publication number Publication date
JPS569207B2 (en) 1981-02-27

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