[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

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

    • 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
    • C21C5/32—Blowing from above
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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

Similar Documents

Publication Publication Date Title
JPS5254608A (en) Process for the operation of convertor
JPS5228418A (en) Oxygen steel making process using low p and s pig iron as raw material
JPS51115218A (en) Dephosphorization of molten iron
JPS5377816A (en) Discriminating and controlling method for converter conditions in blowing
JPS5424213A (en) Manufacture of ultra low phosphorus steel in converter
JPS5310315A (en) Preparation of wiry addition agent for steel
JPS5343019A (en) Refining method for steel with reduced slag formation
JPS5432118A (en) Manufacture of ultra low carbon steel
JPS52108312A (en) Steel making with converter
JPS5252108A (en) Pocess for efining by converter
JPS52107214A (en) Prevention of rephosphorization due to penetration of molten slag into ladle at tapping from converter
JPS52146711A (en) Operation of converter
JPS52117221A (en) Production of low p steel in converter
JPS5271323A (en) Reforming of molten pig iron
JPS5261109A (en) Converter operation method
JPS5381416A (en) Vacuum degassing method for molten steel
JPS523517A (en) Method of refining steel by deoxidation of iron oxide in molten steel in furnace with al and desulfurization of iron sulfide with ferro mang anese
JPS51125618A (en) Compound clad for steel refining
JPS53120617A (en) Converter refining method
JPS51119317A (en) Desulfurization of molten pig iron
JPS5387918A (en) Refining method for low nitrogen steel
JPS5381417A (en) Vacuum degassing method for molten steel
JPS532324A (en) Melting and ingot casting of low phosphor chromium steel
JPS5221208A (en) Pre-treating method of molten pig iron
JPS51149115A (en) A molten metal treatment process