EP1533388A4 - Verfahren zur herstellung von phosphorarmem heissem metall - Google Patents

Verfahren zur herstellung von phosphorarmem heissem metall

Info

Publication number
EP1533388A4
EP1533388A4 EP02807713A EP02807713A EP1533388A4 EP 1533388 A4 EP1533388 A4 EP 1533388A4 EP 02807713 A EP02807713 A EP 02807713A EP 02807713 A EP02807713 A EP 02807713A EP 1533388 A4 EP1533388 A4 EP 1533388A4
Authority
EP
European Patent Office
Prior art keywords
hot metal
manufacturing low
low phosphorous
phosphorous
manufacturing
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
EP02807713A
Other languages
English (en)
French (fr)
Other versions
EP1533388A1 (de
EP1533388B1 (de
Inventor
Hidetoshi Matsuno
Takeshi Murai
Yoshiteru Kikuchi
Eiji Sakurai
Ryohei Takehama
Ryo Kawabata
Satoshi Kohira
Ichiro Kikuchi
Manabu Tano
Hiroshi Shimizu
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP1533388A1 publication Critical patent/EP1533388A1/de
Publication of EP1533388A4 publication Critical patent/EP1533388A4/de
Application granted granted Critical
Publication of EP1533388B1 publication Critical patent/EP1533388B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for dephosphorising or desulfurising
    • 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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
EP02807713.9A 2002-08-27 2002-08-27 Verfahren zur herstellung von phosphorarmem heissem metall Expired - Lifetime EP1533388B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/008604 WO2004020677A1 (ja) 2000-12-21 2002-08-27 低燐溶銑の製造方法

Publications (3)

Publication Number Publication Date
EP1533388A1 EP1533388A1 (de) 2005-05-25
EP1533388A4 true EP1533388A4 (de) 2011-02-02
EP1533388B1 EP1533388B1 (de) 2013-08-14

Family

ID=33193190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02807713.9A Expired - Lifetime EP1533388B1 (de) 2002-08-27 2002-08-27 Verfahren zur herstellung von phosphorarmem heissem metall

Country Status (4)

Country Link
EP (1) EP1533388B1 (de)
KR (1) KR100681292B1 (de)
BR (1) BR0213573B1 (de)
WO (1) WO2004020677A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262387A (en) * 1989-10-10 1993-11-16 Basf Aktiengesellschaft Pyridine derivatives and their use for controlling undesirable plant growth
JP6291998B2 (ja) * 2014-04-22 2018-03-14 新日鐵住金株式会社 溶銑の脱りん方法
CN111670258B (zh) * 2018-03-07 2023-01-10 日本制铁株式会社 铁水的脱磷方法
CN112853043A (zh) * 2020-12-30 2021-05-28 唐山燕山钢铁有限公司 降低q460c-2低合金钢冶炼成本的方法
KR20240010004A (ko) * 2021-05-26 2024-01-23 제이에프이 스틸 가부시키가이샤 용철의 탈인 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819423A (ja) * 1981-07-27 1983-02-04 Kawasaki Steel Corp 上、底吹き複合吹錬転炉における精錬方法
JPS58147506A (ja) * 1982-02-27 1983-09-02 Kawasaki Steel Corp 溶銑予備処理方法
JPH08311523A (ja) * 1995-05-12 1996-11-26 Sumitomo Metal Ind Ltd 溶銑脱燐方法
JP2000129329A (ja) * 1998-10-23 2000-05-09 Sumitomo Metal Ind Ltd 溶銑の脱りん方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3458890B2 (ja) * 1998-03-19 2003-10-20 Ｊｆｅスチール株式会社 溶銑精錬方法
JP3332010B2 (ja) * 1998-06-18 2002-10-07 日本鋼管株式会社 低燐溶銑の製造方法
JP4649694B2 (ja) 1999-12-21 2011-03-16 Ｊｆｅスチール株式会社 溶銑の精錬方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819423A (ja) * 1981-07-27 1983-02-04 Kawasaki Steel Corp 上、底吹き複合吹錬転炉における精錬方法
JPS58147506A (ja) * 1982-02-27 1983-09-02 Kawasaki Steel Corp 溶銑予備処理方法
JPH08311523A (ja) * 1995-05-12 1996-11-26 Sumitomo Metal Ind Ltd 溶銑脱燐方法
JP2000129329A (ja) * 1998-10-23 2000-05-09 Sumitomo Metal Ind Ltd 溶銑の脱りん方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004020677A1 *

Also Published As

Publication number Publication date
BR0213573A (pt) 2004-10-26
WO2004020677A1 (ja) 2004-03-11
KR100681292B1 (ko) 2007-02-09
KR20040053371A (ko) 2004-06-23
BR0213573B1 (pt) 2013-11-12
EP1533388A1 (de) 2005-05-25
EP1533388B1 (de) 2013-08-14

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