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ES2193954T3 - Procedimiento para la descarburacion y desfosforacion de un metal fundido. - Google Patents

Procedimiento para la descarburacion y desfosforacion de un metal fundido.

Info

Publication number
ES2193954T3
ES2193954T3 ES00926586T ES00926586T ES2193954T3 ES 2193954 T3 ES2193954 T3 ES 2193954T3 ES 00926586 T ES00926586 T ES 00926586T ES 00926586 T ES00926586 T ES 00926586T ES 2193954 T3 ES2193954 T3 ES 2193954T3
Authority
ES
Spain
Prior art keywords
dephosphorisation
decarburisation
defrosforation
decarburation
procedure
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
ES00926586T
Other languages
English (en)
Inventor
Poucke Niek Van
Leo Peeters
Frank Haers
Danny Dobbelaere
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.)
SMS Mevac GmbH
Original Assignee
SMS Mevac GmbH
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 SMS Mevac GmbH filed Critical SMS Mevac GmbH
Application granted granted Critical
Publication of ES2193954T3 publication Critical patent/ES2193954T3/es
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
    • 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
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • 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
    • C21C7/068—Decarburising
    • 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
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedimiento de tratamiento de un acero fundido en un dispositivo desgasificador, para la producción de acero ULC y/o SULC, que comprende las etapas de descarburación y desfosforación, caracterizado porque dicha desfosforación se efectúa soplando fundentes que contienen cal sobre el baño de acero durante la reacción de descarburación.
ES00926586T 1999-05-07 2000-05-05 Procedimiento para la descarburacion y desfosforacion de un metal fundido. Expired - Lifetime ES2193954T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99870098 1999-05-07

Publications (1)

Publication Number Publication Date
ES2193954T3 true ES2193954T3 (es) 2003-11-16

Family

ID=8243835

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00926586T Expired - Lifetime ES2193954T3 (es) 1999-05-07 2000-05-05 Procedimiento para la descarburacion y desfosforacion de un metal fundido.

Country Status (14)

Country Link
EP (1) EP1190104B1 (es)
JP (1) JP2002544376A (es)
KR (1) KR20020005741A (es)
CN (1) CN1350594A (es)
AT (1) ATE233828T1 (es)
AU (1) AU4528900A (es)
BR (1) BR0011233B1 (es)
CA (1) CA2371652A1 (es)
DE (1) DE60001576T2 (es)
ES (1) ES2193954T3 (es)
PL (1) PL353443A1 (es)
TR (2) TR200201466T2 (es)
WO (1) WO2000068442A1 (es)
ZA (1) ZA200108634B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100351399C (zh) * 2001-02-07 2007-11-28 新日本制铁株式会社 生铁熔体脱磷的方法
DE102010007119B3 (de) * 2010-02-05 2011-07-28 Technometal GmbH, 47058 Vakuumumlaufentgasungsanlage mit Zündbrenner
CN103966400A (zh) * 2014-04-21 2014-08-06 鞍钢股份有限公司 一种利用rh精炼炉脱磷的方法
JP6782683B2 (ja) * 2017-11-06 2020-11-11 中外炉工業株式会社 減圧精錬槽
JP7052585B2 (ja) * 2018-06-18 2022-04-12 日本製鉄株式会社 溶鋼の脱燐処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107718A (en) * 1979-02-14 1980-08-19 Nippon Steel Corp Production of molten steel
US4426224A (en) * 1981-12-25 1984-01-17 Sumitomo Kinzoku Kogyo Kabushiki Gaisha Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
EP0789083B1 (en) * 1995-08-28 2001-12-12 Nippon Steel Corporation Process for vacuum refining of molten steel and apparatus therefor

Also Published As

Publication number Publication date
EP1190104B1 (en) 2003-03-05
ZA200108634B (en) 2003-01-20
JP2002544376A (ja) 2002-12-24
TR200201466T2 (tr) 2002-07-22
BR0011233B1 (pt) 2009-01-13
CN1350594A (zh) 2002-05-22
KR20020005741A (ko) 2002-01-17
BR0011233A (pt) 2002-03-19
AU4528900A (en) 2000-11-21
EP1190104A1 (en) 2002-03-27
WO2000068442A1 (en) 2000-11-16
DE60001576D1 (de) 2003-04-10
ATE233828T1 (de) 2003-03-15
DE60001576T2 (de) 2004-08-26
CA2371652A1 (en) 2000-11-16
TR200103025T2 (tr) 2002-03-21
PL353443A1 (en) 2003-11-17

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