JPH0471965B2 - - Google Patents

Info

Publication number
JPH0471965B2
JPH0471965B2 JP63247121A JP24712188A JPH0471965B2 JP H0471965 B2 JPH0471965 B2 JP H0471965B2 JP 63247121 A JP63247121 A JP 63247121A JP 24712188 A JP24712188 A JP 24712188A JP H0471965 B2 JPH0471965 B2 JP H0471965B2
Authority
JP
Japan
Prior art keywords
iron
oxygen
blown
melting
slag
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 - Lifetime
Application number
JP63247121A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0297611A (ja
Inventor
Kazumasa Umezawa
Kosaku Ozawa
Tsuzuri Nuibe
Tatsuro Kuwabara
Tetsuya Oohara
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17158746&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0471965(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP63247121A priority Critical patent/JPH0297611A/ja
Priority to US07/306,176 priority patent/US4891064A/en
Priority to DE68915234T priority patent/DE68915234T2/de
Priority to AT8989102238T priority patent/ATE105589T1/de
Priority to EP89102238A priority patent/EP0360954B1/en
Publication of JPH0297611A publication Critical patent/JPH0297611A/ja
Publication of JPH0471965B2 publication Critical patent/JPH0471965B2/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
    • 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
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
JP63247121A 1988-09-30 1988-09-30 冷鉄源溶解方法 Granted JPH0297611A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP63247121A JPH0297611A (ja) 1988-09-30 1988-09-30 冷鉄源溶解方法
US07/306,176 US4891064A (en) 1988-09-30 1989-02-06 Method of melting cold material including iron
DE68915234T DE68915234T2 (de) 1988-09-30 1989-02-09 Verfahren zum Einschmelzen kalter Stoffe, die Eisen enthalten.
AT8989102238T ATE105589T1 (de) 1988-09-30 1989-02-09 Verfahren zum einschmelzen kalter stoffe, die eisen enthalten.
EP89102238A EP0360954B1 (en) 1988-09-30 1989-02-09 Method of melting cold material including iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63247121A JPH0297611A (ja) 1988-09-30 1988-09-30 冷鉄源溶解方法

Publications (2)

Publication Number Publication Date
JPH0297611A JPH0297611A (ja) 1990-04-10
JPH0471965B2 true JPH0471965B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-17

Family

ID=17158746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63247121A Granted JPH0297611A (ja) 1988-09-30 1988-09-30 冷鉄源溶解方法

Country Status (5)

Country Link
US (1) US4891064A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0360954B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0297611A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE105589T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE68915234T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581813A4 (en) * 1991-04-23 1994-06-01 Commw Scient Ind Res Org Lance for immersion in a pyrometallurgical bath and method involving the lance
US5885322A (en) * 1996-03-22 1999-03-23 Steel Technology Corporation Method for reducing iron losses in an iron smelting process
CA2237510A1 (en) * 1996-09-17 1998-03-26 "Holderbank" Financiere Glarus Ag Process for reclaiming incineration waste
JP4742439B2 (ja) * 2001-04-02 2011-08-10 Ｊｆｅスチール株式会社 精錬方法
WO2009119604A1 (ja) * 2008-03-25 2009-10-01 株式会社神戸製鋼所 溶鉄製造方法
GB201416805D0 (en) * 2014-09-23 2014-11-05 Univ Swansea Tuyere

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE781241A (fr) * 1971-05-28 1972-07-17 Creusot Loire Procede d'affinage des aciers allies contenant du chrome et plus specialement des aciers inoxydables
US4295882A (en) * 1978-10-24 1981-10-20 Nippon Steel Corporation Steel making process
EP0043238B1 (en) * 1980-06-28 1984-10-10 Kawasaki Steel Corporation Method of dephosphorizing molten pig iron
ZA827820B (en) * 1981-10-30 1983-08-31 British Steel Corp Production of steel
JPS60174812A (ja) * 1984-02-16 1985-09-09 Kawasaki Steel Corp 多量の含鉄冷材を用いる転炉製鋼法
US4537629A (en) * 1984-08-20 1985-08-27 Instituto Mexicano De Investigaciones Siderurgicas Method for obtaining high purity ductile iron
US4758269A (en) * 1987-02-24 1988-07-19 Allegheny Ludlum Corporation Method and apparatus for introducing gas into molten metal baths

Also Published As

Publication number Publication date
EP0360954A3 (en) 1990-06-06
EP0360954A2 (en) 1990-04-04
JPH0297611A (ja) 1990-04-10
DE68915234D1 (de) 1994-06-16
DE68915234T2 (de) 1994-12-08
ATE105589T1 (de) 1994-05-15
EP0360954B1 (en) 1994-05-11
US4891064A (en) 1990-01-02

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