FR2439821A1 - Procede pour la fabrication d'acier - Google Patents

Procede pour la fabrication d'acier

Info

Publication number
FR2439821A1
FR2439821A1 FR7926431A FR7926431A FR2439821A1 FR 2439821 A1 FR2439821 A1 FR 2439821A1 FR 7926431 A FR7926431 A FR 7926431A FR 7926431 A FR7926431 A FR 7926431A FR 2439821 A1 FR2439821 A1 FR 2439821A1
Authority
FR
France
Prior art keywords
steel
dephosphoration
manufacture
iron
desiliciation
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
FR7926431A
Other languages
English (en)
Other versions
FR2439821B1 (fr
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 JP13003978A external-priority patent/JPS5558310A/ja
Priority claimed from JP13458478A external-priority patent/JPS5562112A/ja
Priority claimed from JP15476978A external-priority patent/JPS5582709A/ja
Priority claimed from JP16253978A external-priority patent/JPS5856003B2/ja
Priority claimed from JP16253878A external-priority patent/JPS60403B2/ja
Priority claimed from JP178079A external-priority patent/JPS5594415A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of FR2439821A1 publication Critical patent/FR2439821A1/fr
Application granted granted Critical
Publication of FR2439821B1 publication Critical patent/FR2439821B1/fr
Granted 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing 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
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • 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
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (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)

Abstract

A.PROCEDE POUR LA FABRICATION D'ACIER PAR DESILICIATION, DEPHOSPHORATION, DESULFURATION ET DECARBURATION ET FONTE EN FUSION. B.LE PROCEDE SE CARACTERISE PAR UNE SUCCESSION DE TROIS ETAPES: 1DESILICIATION ENTRE 1480 ET 1380C; 2DESULFURATION ET DEPHOSPHORATION EN MAINTENANT LE TAUX DE C A PLUS DE 3,8, AVEC ADDITION D'UN FONDANT; 3DECARBURATION EN SOUFFLANT DE L'OXYGENE EN SURFACE. C.L'INVENTION PERMET DE CONVERTIR LA FONTE PROVENANT D'UN HAUT FOURNEAU EN ACIER EN EXPLOITANT DE FACON TRES AVANTAGEUSE LE VOLUME DU RECIPIENT QUI SERT A REALISER LE PROCEDE.
FR7926431A 1978-10-24 1979-10-24 Procede pour la fabrication d'acier Granted FR2439821A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP13003978A JPS5558310A (en) 1978-10-24 1978-10-24 Treating method of molten iron
JP13458478A JPS5562112A (en) 1978-11-02 1978-11-02 Dephosphorizing, desulfurizing treatment method of molten pig iron
JP15476978A JPS5582709A (en) 1978-12-15 1978-12-15 Treating method for molten cast iron
JP16253978A JPS5856003B2 (ja) 1978-12-30 1978-12-30 溶銑脱炭時の副原料投入法
JP16253878A JPS60403B2 (ja) 1978-12-30 1978-12-30 溶銑の脱炭方法
JP178079A JPS5594415A (en) 1979-01-13 1979-01-13 Steel making method of less slag producing amount

Publications (2)

Publication Number Publication Date
FR2439821A1 true FR2439821A1 (fr) 1980-05-23
FR2439821B1 FR2439821B1 (fr) 1984-10-19

Family

ID=27547645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926431A Granted FR2439821A1 (fr) 1978-10-24 1979-10-24 Procede pour la fabrication d'acier

Country Status (5)

Country Link
US (1) US4295882A (fr)
CA (1) CA1136421A (fr)
DE (1) DE2942779C2 (fr)
FR (1) FR2439821A1 (fr)
GB (1) GB2045281B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478671A1 (fr) * 1980-03-21 1981-09-25 Nippon Steel Corp Procede d'elaboration de l'acier par etapes distinctes d'affinage
EP0061749A1 (fr) * 1981-03-30 1982-10-06 Nippon Steel Corporation Méthode d'affinage dans un procédé multi-étapes d'élaboration d'acier
FR2527634A1 (fr) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Procede de production d'acier a teneur ultra-faible en phosphore
FR2558482A1 (fr) * 1984-01-25 1985-07-26 Siderurgie Fse Inst Rech Procede d'elaboration de l'acier par preaffinage de la fonte
FR2566427A1 (fr) * 1984-06-22 1985-12-27 Siderurgie Fse Inst Rech Installation pour l'elaboration de l'acier par preaffinage de la fonte
EP0360954A2 (fr) * 1988-09-30 1990-04-04 Nippon Steel Corporation Procédé de fusion de matériaux froids contenant du fer

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831012A (ja) * 1981-08-19 1983-02-23 Nippon Steel Corp 気体酸素吹込みによる溶銑の優先脱Ｓｉ方法
US4511396A (en) * 1982-09-01 1985-04-16 Nixon Ivor G Refining of metals
DE3316367A1 (de) * 1983-05-05 1984-11-08 Mannesmann AG, 4000 Düsseldorf Verfahren und einrichtung zum erzeugen von stahl
JPS59211519A (ja) * 1983-05-18 1984-11-30 Nisshin Steel Co Ltd 低ｐ含クロム鋼の製造法
JPS60194047A (ja) * 1984-03-14 1985-10-02 Aichi Steel Works Ltd 高品質軸受鋼およびその製造法
US6063157A (en) * 1997-11-06 2000-05-16 Banerjee; Shilowbhadra Process and an apparatus for removal of silicon, manganese, carbon and sulfur in a single reaction vessel
KR100370920B1 (ko) 1997-12-26 2003-02-05 닛폰 고칸 가부시키가이샤 용선의 정련방법 및 그 용선을 제조하기 위한 용융환원 제련방법
KR101089327B1 (ko) 2009-03-02 2011-12-02 주식회사 동부메탈 저인고탄소페로망간 및 저인중저탄소페로망간 제조방법
CN113186369A (zh) * 2021-04-01 2021-07-30 邢台钢铁有限责任公司 一种溅渣护炉方法
CN113549809B (zh) * 2021-06-18 2022-03-18 首钢集团有限公司 一种非钙处理提高钢液可浇性的冶炼方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU31463A1 (fr) *
US2693411A (en) * 1951-12-26 1954-11-02 Cremer Frederick Method of purifying molten pig iron
DE924452C (de) * 1945-01-09 1955-03-03 Oesterr Alpine Montan Mehrstufiges Verfahren zur Herstellung von Windfrischstahl, insbesondere Thomasstahl mit verbesserten Eigenschaften
DE1013306B (de) * 1953-04-17 1957-08-08 Maximilianshuette Eisenwerk Verfahren zum Vorfrischen von Roheisen
FR76918E (fr) * 1960-01-12 1961-12-15 Siderurgie Fse Inst Rech Procédé et dispositif de préaffinage continu de la fonte liquide en cours d'écoulement
DE1433416A1 (de) * 1962-05-18 1968-11-21 Krupp Gmbh Verfahren zur Herstellung von unlegierten und legierten Staehlen mit niedrigen,bei Edelstahl ueblichen Phosphor- und Schwefelgehalten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB705321A (en) * 1950-10-14 1954-03-10 Huettenwerk Oberhausen Ag Improvements relating to the production of steel
GB718001A (en) * 1951-09-08 1954-11-03 Huettenwerk Haspe Ag Improvements in or relating to processes for the pre-treatment of raw thomas iron
GB934163A (en) * 1961-07-11 1963-08-14 Foseco Int Treatment of vessels used for holding molten metal
BE762837A (fr) * 1971-02-11 1971-08-11 Centre Rech Metallurgique Perfectionnements aux procedes d'affinage pneumatique de la fonte.
DE2527156B2 (de) * 1975-06-18 1980-09-04 Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen Verfahren zur Vorbehandlung einer Stahlschmelze beim Stranggießen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU31463A1 (fr) *
DE924452C (de) * 1945-01-09 1955-03-03 Oesterr Alpine Montan Mehrstufiges Verfahren zur Herstellung von Windfrischstahl, insbesondere Thomasstahl mit verbesserten Eigenschaften
US2693411A (en) * 1951-12-26 1954-11-02 Cremer Frederick Method of purifying molten pig iron
DE1013306B (de) * 1953-04-17 1957-08-08 Maximilianshuette Eisenwerk Verfahren zum Vorfrischen von Roheisen
FR76918E (fr) * 1960-01-12 1961-12-15 Siderurgie Fse Inst Rech Procédé et dispositif de préaffinage continu de la fonte liquide en cours d'écoulement
DE1433416A1 (de) * 1962-05-18 1968-11-21 Krupp Gmbh Verfahren zur Herstellung von unlegierten und legierten Staehlen mit niedrigen,bei Edelstahl ueblichen Phosphor- und Schwefelgehalten

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478671A1 (fr) * 1980-03-21 1981-09-25 Nippon Steel Corp Procede d'elaboration de l'acier par etapes distinctes d'affinage
EP0061749A1 (fr) * 1981-03-30 1982-10-06 Nippon Steel Corporation Méthode d'affinage dans un procédé multi-étapes d'élaboration d'acier
FR2527634A1 (fr) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Procede de production d'acier a teneur ultra-faible en phosphore
FR2558482A1 (fr) * 1984-01-25 1985-07-26 Siderurgie Fse Inst Rech Procede d'elaboration de l'acier par preaffinage de la fonte
FR2566427A1 (fr) * 1984-06-22 1985-12-27 Siderurgie Fse Inst Rech Installation pour l'elaboration de l'acier par preaffinage de la fonte
EP0166646A1 (fr) * 1984-06-22 1986-01-02 Institut De Recherches De La Siderurgie Francaise (Irsid) Installation pour l'élaboration de l'acier par préaffinage de la fonte
EP0360954A2 (fr) * 1988-09-30 1990-04-04 Nippon Steel Corporation Procédé de fusion de matériaux froids contenant du fer
EP0360954A3 (en) * 1988-09-30 1990-06-06 Nippon Steel Corporation Method of melting cold material including iron

Also Published As

Publication number Publication date
CA1136421A (fr) 1982-11-30
DE2942779A1 (de) 1980-05-08
US4295882A (en) 1981-10-20
GB2045281A (en) 1980-10-29
DE2942779C2 (de) 1982-12-23
GB2045281B (en) 1983-04-20
FR2439821B1 (fr) 1984-10-19

Similar Documents

Publication Publication Date Title
FR2439821A1 (fr) Procede pour la fabrication d'acier
GB1206062A (en) Deoxidation method
FR2463187B1 (fr) Procede de fabrication d'acier dans un convertisseur avec soufflage d'oxygene sur la surface du metal fondu et soufflage de gaz d'agitation par la base du convertisseur
US4202397A (en) Method of continuously casting molten metal
JPS6456816A (en) Heating method for molten steel in ladle
US2539625A (en) Apparatus for casting metal rods
JPS5687636A (en) Adding method for element such as ca with high reactivity to molten metal in nonoxidizing atmosphere
JPS56220A (en) Deoxidization of molten steel
JPS5278602A (en) Vacuum degassing of molten metal
JPS56146817A (en) Refining method for molten steel in ladle
BE899665A (fr) Procede d'affinage de metal fondu dans un convertisseur.
JPS55131145A (en) Manufacture of solder
BE866782A (fr) Lances utilisables pour la fabrication de l'acier a l'oxygene
JPH0721561Y2 (ja) ガス吹き込みプラグ
FR2441581A1 (fr) Procede pour la fabrication par la voie pyrogene d'oxyde finement divise d'un metal et/ou d'un metalloide
JPS5589416A (en) Preparation of nitrogen containing steel
JPS55122818A (en) Alloying element adding method in ingot making
JPS5518578A (en) Treating method for flux of molten steel
JPS5763619A (en) Production of continuous cast steel
JPS5531148A (en) Manufacture of clean cast steel product
JPS5278601A (en) Vacuum degassing of molten metal
JPS5258009A (en) Process for converter blowing of low silicon molten iron
Lindenberg et al. Influence of atmospheric oxidation on cleanness of steel
SU453428A1 (ru) Способ переработки ванадиевых чугунов
GB738510A (en) Process for removing magnesium from aluminium

Legal Events

Date Code Title Description
ST Notification of lapse