FR2820437B1 - Procede de dephosphoration de fonte liquide - Google Patents

Procede de dephosphoration de fonte liquide

Info

Publication number
FR2820437B1
FR2820437B1 FR0101691A FR0101691A FR2820437B1 FR 2820437 B1 FR2820437 B1 FR 2820437B1 FR 0101691 A FR0101691 A FR 0101691A FR 0101691 A FR0101691 A FR 0101691A FR 2820437 B1 FR2820437 B1 FR 2820437B1
Authority
FR
France
Prior art keywords
dephosphorating
liquid iron
iron
liquid
dephosphorating liquid
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
FR0101691A
Other languages
English (en)
Other versions
FR2820437A1 (fr
Inventor
Shinya Kitamura
Kimitoshi Yonezawa
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to FR0101691A priority Critical patent/FR2820437B1/fr
Publication of FR2820437A1 publication Critical patent/FR2820437A1/fr
Application granted granted Critical
Publication of FR2820437B1 publication Critical patent/FR2820437B1/fr
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
    • 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
    • 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
    • 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

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)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
FR0101691A 2001-02-08 2001-02-08 Procede de dephosphoration de fonte liquide Expired - Fee Related FR2820437B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0101691A FR2820437B1 (fr) 2001-02-08 2001-02-08 Procede de dephosphoration de fonte liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0101691A FR2820437B1 (fr) 2001-02-08 2001-02-08 Procede de dephosphoration de fonte liquide

Publications (2)

Publication Number Publication Date
FR2820437A1 FR2820437A1 (fr) 2002-08-09
FR2820437B1 true FR2820437B1 (fr) 2004-04-23

Family

ID=8859759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0101691A Expired - Fee Related FR2820437B1 (fr) 2001-02-08 2001-02-08 Procede de dephosphoration de fonte liquide

Country Status (1)

Country Link
FR (1) FR2820437B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743919A (en) * 1980-08-30 1982-03-12 Kawasaki Steel Corp Method for blow refining in top and/or bottom-blown converter
JPS63195214A (ja) * 1987-02-07 1988-08-12 Sumitomo Metal Ind Ltd 溶銑出湯中の発煙防止方法
JPH08120321A (ja) * 1994-10-24 1996-05-14 Mitsubishi Heavy Ind Ltd 溶湯中のリンを低減する高純度鋼溶湯の製造方法
JP3345677B2 (ja) * 1995-01-23 2002-11-18 新日本製鐵株式会社 溶銑の脱りん方法
JP3312536B2 (ja) * 1995-08-25 2002-08-12 住友金属工業株式会社 溶銑の脱りん方法
JP2000212622A (ja) * 1999-01-14 2000-08-02 Nippon Steel Corp 反応効率の高い溶銑脱燐方法

Also Published As

Publication number Publication date
FR2820437A1 (fr) 2002-08-09

Similar Documents

Publication Publication Date Title
IS6316A (is) Aðferð til erfðafræðilegra greininga
FR2838813B1 (fr) Procede de distribution d'helium
DZ3198A1 (fr) Procédé pour contrôler automatiquement la concentration en analyte utilisant le moins de dispositifsinvasifs.
FR2827706B1 (fr) Procede pour faire fonctionner un composant a semiconducteur
ITMN20010037A0 (it) Carrello espositivo per operatori commerciali
DE60234205D1 (de) Abgabevorrichtung für flüssigkeiten
FR2813390B1 (fr) Procede pour surveiller et commander une operation de vissage
HUP0302757A3 (en) Method for hydrogenating liquid organic compounds
EP1452492A4 (fr) Procede de traitement d'un residu liquide contenant du cyanure
FR2820490B1 (fr) Raccord de tuyau lateral
NO20012041D0 (no) Anordning ved rörflensmontering
DE60100789D1 (de) Fluss-Verteiler zu analytischen Zwecken
NO20014844L (no) Anordning ved rörstyring
FR2825302B1 (fr) Procede de fabrication de profiles metalliques
FR2828549B1 (fr) Procede de reparation de conduites
DK1448474T3 (da) Taphane til væsker
FR2795009B3 (fr) Procede pour raccorder des sections de raccordement
FR2831766B1 (fr) Procede et installation pour confectionner des bouquets de fleurs
FR2809118B1 (fr) Procede pour analyser la lignee phyletique des coquilles saint-jacques
FR2820437B1 (fr) Procede de dephosphoration de fonte liquide
DE50213701D1 (de) Durchlaufanlage zum gefrieren
FR2827285B1 (fr) Reactif et procede pour la perfluoroalcoylation
DE60212359D1 (de) Vorrichtung zum stanznieten
FR2833125B1 (fr) Procede de determination de tendance de service
FR2884970B1 (fr) Vase d'expansion et de degazage pour circuit de liquide de refroidissement, et procede associe

Legal Events

Date Code Title Description
CA Change of address

Effective date: 20130913

CD Change of name or company name

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION, JP

Effective date: 20130913

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

CD Change of name or company name

Owner name: NIPPON STEEL CORPORATION, JP

Effective date: 20191007

ST Notification of lapse

Effective date: 20201005