JPS57203713A - Method of decarburization refining in reaction vessel with small free board - Google Patents

Method of decarburization refining in reaction vessel with small free board

Info

Publication number
JPS57203713A
JPS57203713A JP8933381A JP8933381A JPS57203713A JP S57203713 A JPS57203713 A JP S57203713A JP 8933381 A JP8933381 A JP 8933381A JP 8933381 A JP8933381 A JP 8933381A JP S57203713 A JPS57203713 A JP S57203713A
Authority
JP
Japan
Prior art keywords
lance
blowing
theta
molten iron
reaction vessel
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
JP8933381A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6152212B2 (sv
Inventor
Katsuhiko Takeda
Masamichi Kojima
Morikatsu Sakurada
Mitsuhiko Nishimura
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 JP8933381A priority Critical patent/JPS57203713A/ja
Priority to AU81848/82A priority patent/AU532932B2/en
Priority to EP19820102580 priority patent/EP0061749B1/en
Priority to DE8282102580T priority patent/DE3269285D1/de
Publication of JPS57203713A publication Critical patent/JPS57203713A/ja
Publication of JPS6152212B2 publication Critical patent/JPS6152212B2/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
    • C21C5/285—Plants therefor
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
JP8933381A 1981-03-30 1981-06-10 Method of decarburization refining in reaction vessel with small free board Granted JPS57203713A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8933381A JPS57203713A (en) 1981-06-10 1981-06-10 Method of decarburization refining in reaction vessel with small free board
AU81848/82A AU532932B2 (en) 1981-03-30 1982-03-24 Post-refining of basic oxygen steel
EP19820102580 EP0061749B1 (en) 1981-03-30 1982-03-26 A multi-step steelmaking refining method
DE8282102580T DE3269285D1 (en) 1981-03-30 1982-03-26 A multi-step steelmaking refining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8933381A JPS57203713A (en) 1981-06-10 1981-06-10 Method of decarburization refining in reaction vessel with small free board

Publications (2)

Publication Number Publication Date
JPS57203713A true JPS57203713A (en) 1982-12-14
JPS6152212B2 JPS6152212B2 (sv) 1986-11-12

Family

ID=13967754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8933381A Granted JPS57203713A (en) 1981-03-30 1981-06-10 Method of decarburization refining in reaction vessel with small free board

Country Status (1)

Country Link
JP (1) JPS57203713A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5871318A (ja) * 1981-10-26 1983-04-28 Nippon Kokan Kk <Nkk> 転炉の操業方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102443059B1 (ko) 2018-06-28 2022-09-13 후루카와 덴키 고교 가부시키가이샤 구리 합금 판재 및 구리 합금 판재의 제조 방법 및 구리 합금 판재를 사용한 커넥터

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5871318A (ja) * 1981-10-26 1983-04-28 Nippon Kokan Kk <Nkk> 転炉の操業方法

Also Published As

Publication number Publication date
JPS6152212B2 (sv) 1986-11-12

Similar Documents

Publication Publication Date Title
KR900013093A (ko) Ni 광석의 용해환원 방법
CA2221808A1 (en) Stable operation of a smelter reactor
AU554800B2 (en) Metal refining using oxygen and powdered carbon
JPS5623215A (en) Converter steel making method
JPS57203713A (en) Method of decarburization refining in reaction vessel with small free board
GB1522864A (en) Method and apparatus for manufacturing steel from pig iro
MY123125A (en) Apparatus and process for refining molten steel in the production of ultra-low carbon steel
EP0328677A4 (en) PROCESS AND OVEN FOR REDUCING BY MELTING A STARTING MATERIAL WITH CHROME.
JPS56123318A (en) Refining method of metal refining furnace for producing large amount of co for recovering exhaust gas
JPH0424407B2 (sv)
JPS5757816A (en) Steel making method by composite top and bottom blown converter
KR880014113A (ko) 환원제련을 통한 제강방법
JPS57137415A (en) Steel making method for chromium-containing steel
JPS5757819A (en) Converter steel making method
JPS5591926A (en) Preparation of extremely low carbon nitrogen stainless steel
JPS57203711A (en) Refining method in steel making
JPS5576013A (en) Al adding method to molten steel
JPS556476A (en) Atmosphere shielding method in ladle refining
JPS6468415A (en) Production of molten stainless steel by smelting reduction
JPS6447833A (en) Production of medium and low carbon ferromanganese
JPS648211A (en) Method for pretreating molten iron
JPS5792115A (en) Dephosphorization method for molten iron
KR860003353A (ko) 아크가공에 의한 용강(溶鋼)의 정련(精鍊)방법
JPS5544569A (en) Choke preventing method of gas blowing nozzle
JPS57188609A (en) Upward and downward blowing method