DE60021482D1 - Verfahren zum Entschwefeln von Roheisen - Google Patents

Verfahren zum Entschwefeln von Roheisen

Info

Publication number
DE60021482D1
DE60021482D1 DE60021482T DE60021482T DE60021482D1 DE 60021482 D1 DE60021482 D1 DE 60021482D1 DE 60021482 T DE60021482 T DE 60021482T DE 60021482 T DE60021482 T DE 60021482T DE 60021482 D1 DE60021482 D1 DE 60021482D1
Authority
DE
Germany
Prior art keywords
pig iron
desulfurizing
desulfurizing pig
iron
pig
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
DE60021482T
Other languages
English (en)
Other versions
DE60021482T2 (de
Inventor
Naoki Kikuchi
Shuji Takeuchi
Akiharu Takao
Mototatsu Sugizawa
Shigeru Ogura
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
Application granted granted Critical
Publication of DE60021482D1 publication Critical patent/DE60021482D1/de
Publication of DE60021482T2 publication Critical patent/DE60021482T2/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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • Treatment Of Steel In Its Molten State (AREA)
DE60021482T 1999-06-07 2000-05-31 Verfahren zum Entschwefeln von Roheisen Expired - Lifetime DE60021482T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15936999 1999-06-07
JP15936999A JP3577997B2 (ja) 1999-06-07 1999-06-07 溶銑の脱硫方法

Publications (2)

Publication Number Publication Date
DE60021482D1 true DE60021482D1 (de) 2005-09-01
DE60021482T2 DE60021482T2 (de) 2006-05-24

Family

ID=15692336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021482T Expired - Lifetime DE60021482T2 (de) 1999-06-07 2000-05-31 Verfahren zum Entschwefeln von Roheisen

Country Status (6)

Country Link
US (1) US6379425B1 (de)
EP (1) EP1059360B1 (de)
JP (1) JP3577997B2 (de)
KR (1) KR100611834B1 (de)
CN (1) CN1218054C (de)
DE (1) DE60021482T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012837B1 (ko) * 2003-07-08 2011-02-08 주식회사 포스코 탈황을 위한 용선 예비처리방법
KR101091935B1 (ko) * 2004-11-01 2011-12-09 주식회사 포스코 다공노즐을 포함한 탈류 랜스와 이를 이용한 예비처리탈류 방법
CN101886150A (zh) * 2010-07-07 2010-11-17 江苏沙钢集团有限公司 钢包浇余热态钢渣的回收利用方法及系统
US9481917B2 (en) * 2012-12-20 2016-11-01 United Technologies Corporation Gaseous based desulfurization of alloys
TWI570246B (zh) * 2015-04-07 2017-02-11 China Steel Corp Method for desulfurization of molten iron
CN115501741B (zh) * 2022-08-30 2023-11-03 四川轻化工大学 一种基于改性载体的高活性氧化铁脱硫剂及其制备方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE762837A (fr) * 1971-02-11 1971-08-11 Centre Rech Metallurgique Perfectionnements aux procedes d'affinage pneumatique de la fonte.
US3998625A (en) * 1975-11-12 1976-12-21 Jones & Laughlin Steel Corporation Desulfurization method
CA1240842A (en) * 1984-05-16 1988-08-23 Heinrich Rellermeyer Method, process and composition for desulfurizing pig-iron melts
US5873924A (en) * 1997-04-07 1999-02-23 Reactive Metals & Alloys Corporation Desulfurizing mix and method for desulfurizing molten iron
DE19833037A1 (de) * 1998-07-22 2000-01-27 Krupp Polysius Ag Verfahren zum Entschwefeln einer Roheisenschmelze
JP3496545B2 (ja) * 1998-12-09 2004-02-16 Ｊｆｅスチール株式会社 溶銑の脱硫方法

Also Published As

Publication number Publication date
KR100611834B1 (ko) 2006-08-11
DE60021482T2 (de) 2006-05-24
JP2000345224A (ja) 2000-12-12
CN1218054C (zh) 2005-09-07
CN1276434A (zh) 2000-12-13
US6379425B1 (en) 2002-04-30
KR20010007274A (ko) 2001-01-26
EP1059360B1 (de) 2005-07-27
JP3577997B2 (ja) 2004-10-20
EP1059360A2 (de) 2000-12-13
EP1059360A3 (de) 2001-06-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition