DE69815334D1 - Verfahren zur herstellung von stahl im konverter unter druck - Google Patents

Verfahren zur herstellung von stahl im konverter unter druck

Info

Publication number
DE69815334D1
DE69815334D1 DE69815334T DE69815334T DE69815334D1 DE 69815334 D1 DE69815334 D1 DE 69815334D1 DE 69815334 T DE69815334 T DE 69815334T DE 69815334 T DE69815334 T DE 69815334T DE 69815334 D1 DE69815334 D1 DE 69815334D1
Authority
DE
Germany
Prior art keywords
converter
under pressure
producing steel
converter under
flow rate
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 - Fee Related
Application number
DE69815334T
Other languages
English (en)
Other versions
DE69815334T2 (de
Inventor
Shinya Kitamura
Michitaka Matsuo
Kenichiro Naito
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
Priority claimed from JP6714997A external-priority patent/JPH10259409A/ja
Priority claimed from JP6715097A external-priority patent/JPH10259410A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE69815334D1 publication Critical patent/DE69815334D1/de
Application granted granted Critical
Publication of DE69815334T2 publication Critical patent/DE69815334T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0081—Treating and handling under pressure
    • 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
    • C21C5/305—Afterburning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Measuring Fluid Pressure (AREA)
DE69815334T 1997-03-21 1998-03-19 Verfahren zur herstellung von stahl im konverter unter druck Expired - Fee Related DE69815334T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP6714997A JPH10259409A (ja) 1997-03-21 1997-03-21 加圧転炉製鋼法
JP6715097A JPH10259410A (ja) 1997-03-21 1997-03-21 加圧転炉製鋼法
JP6715097 1997-03-21
JP6714997 1997-03-21
PCT/JP1998/001188 WO1998042879A1 (fr) 1997-03-21 1998-03-19 Procede servant a produire de l'acier au convertisseur sous pression

Publications (2)

Publication Number Publication Date
DE69815334D1 true DE69815334D1 (de) 2003-07-10
DE69815334T2 DE69815334T2 (de) 2004-09-09

Family

ID=26408328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69815334T Expired - Fee Related DE69815334T2 (de) 1997-03-21 1998-03-19 Verfahren zur herstellung von stahl im konverter unter druck

Country Status (8)

Country Link
US (1) US6284016B1 (de)
EP (2) EP1291443A3 (de)
KR (1) KR100357360B1 (de)
CN (1) CN1080317C (de)
AT (1) ATE242339T1 (de)
DE (1) DE69815334T2 (de)
TW (1) TW424111B (de)
WO (1) WO1998042879A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2298491C (en) 1997-07-25 2009-10-06 Nichia Chemical Industries, Ltd. Nitride semiconductor device
US6711191B1 (en) 1999-03-04 2004-03-23 Nichia Corporation Nitride semiconductor laser device
JP4273688B2 (ja) * 2000-11-16 2009-06-03 Ｊｆｅスチール株式会社 転炉吹錬方法
US8309231B2 (en) 2006-05-31 2012-11-13 Usg Interiors, Llc Acoustical tile
TWI362769B (en) 2008-05-09 2012-04-21 Univ Nat Chiao Tung Light emitting device and fabrication method therefor
CN114150102B (zh) * 2021-11-26 2023-05-02 德龙钢铁有限公司 基于复吹转炉熔池动态脱碳速率的烟道风机控制方法
CN117688819B (zh) * 2024-02-01 2024-04-26 北京科技大学 一种碳-氧反应作用下炼钢转炉熔池流场仿真方法及仿真系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197805A (ja) * 1984-03-22 1985-10-07 Nippon Steel Corp 転炉廃ガス処理装置の炉内圧制御方法
JPS62146210A (ja) * 1985-12-20 1987-06-30 Nippon Steel Corp 転炉廃ガス処理装置における炉内圧制御方法
JPS62263912A (ja) * 1986-05-08 1987-11-16 Nippon Kokan Kk <Nkk> 密閉転炉のｌｄｇ回収方法
JPH0860220A (ja) * 1994-08-22 1996-03-05 Nippon Steel Corp 低炭素鋼の効率的な転炉精錬方法
JPH09170011A (ja) * 1995-12-20 1997-06-30 Nippon Steel Corp 高効率転炉製鋼法

Also Published As

Publication number Publication date
EP0974675A1 (de) 2000-01-26
KR100357360B1 (ko) 2002-10-19
EP1291443A2 (de) 2003-03-12
ATE242339T1 (de) 2003-06-15
WO1998042879A1 (fr) 1998-10-01
CN1080317C (zh) 2002-03-06
CN1251139A (zh) 2000-04-19
EP1291443A3 (de) 2003-06-04
EP0974675B1 (de) 2003-06-04
DE69815334T2 (de) 2004-09-09
US6284016B1 (en) 2001-09-04
TW424111B (en) 2001-03-01
EP0974675A4 (de) 2000-12-20
KR20010005571A (ko) 2001-01-15

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8339 Ceased/non-payment of the annual fee