JPS5265709A - Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace - Google Patents

Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace

Info

Publication number
JPS5265709A
JPS5265709A JP14280075A JP14280075A JPS5265709A JP S5265709 A JPS5265709 A JP S5265709A JP 14280075 A JP14280075 A JP 14280075A JP 14280075 A JP14280075 A JP 14280075A JP S5265709 A JPS5265709 A JP S5265709A
Authority
JP
Japan
Prior art keywords
steel making
oxygen steel
echarged
hot
oxygen
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.)
Pending
Application number
JP14280075A
Other languages
Japanese (ja)
Inventor
Satomi Yamamoto
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 JP14280075A priority Critical patent/JPS5265709A/en
Publication of JPS5265709A publication Critical patent/JPS5265709A/en
Pending 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
    • 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:In steel refining of molten pig iron containing a little P, S, and Si by oxygen blowing, high temperature slag used in the last time is used again to compensate the back of the calorific value from the oxidation of Si, preventing the decrease of the amount of scrap used.
JP14280075A 1975-11-28 1975-11-28 Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace Pending JPS5265709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14280075A JPS5265709A (en) 1975-11-28 1975-11-28 Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14280075A JPS5265709A (en) 1975-11-28 1975-11-28 Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace

Publications (1)

Publication Number Publication Date
JPS5265709A true JPS5265709A (en) 1977-05-31

Family

ID=15323912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14280075A Pending JPS5265709A (en) 1975-11-28 1975-11-28 Oxygen steel making process in which oxygen steel making slag is hot r echarged into oxygen steel making furnace

Country Status (1)

Country Link
JP (1) JPS5265709A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816012A (en) * 1981-07-18 1983-01-29 Nippon Steel Corp Decarburization refining method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816012A (en) * 1981-07-18 1983-01-29 Nippon Steel Corp Decarburization refining method

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