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FR2411239A1 - Procede d'amelioration du bilan thermique de l'affinage de la fonte - Google Patents

Procede d'amelioration du bilan thermique de l'affinage de la fonte

Info

Publication number
FR2411239A1
FR2411239A1 FR7834474A FR7834474A FR2411239A1 FR 2411239 A1 FR2411239 A1 FR 2411239A1 FR 7834474 A FR7834474 A FR 7834474A FR 7834474 A FR7834474 A FR 7834474A FR 2411239 A1 FR2411239 A1 FR 2411239A1
Authority
FR
France
Prior art keywords
bath
refining
cast iron
oxygen
improving
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
FR7834474A
Other languages
English (en)
Other versions
FR2411239B1 (fr
Inventor
Karl Brotzmann
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.)
Eisenwerke Gesellschaf Maximilianshuette mbH
Original Assignee
Eisenwerke Gesellschaf Maximilianshuette mbH
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 DE2755165A external-priority patent/DE2755165C3/de
Priority claimed from DE2838983A external-priority patent/DE2838983C3/de
Application filed by Eisenwerke Gesellschaf Maximilianshuette mbH filed Critical Eisenwerke Gesellschaf Maximilianshuette mbH
Publication of FR2411239A1 publication Critical patent/FR2411239A1/fr
Application granted granted Critical
Publication of FR2411239B1 publication Critical patent/FR2411239B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

LE PROCEDE D'AMELIORATION DU BILAN THERMIQUE ET AINSI D'ELEVATION DU TAUX DE FERRAILLES DANS L'AFFINAGE DE LA FONTE S'APPLIQUE A UN CONVERTISSEUR 1 QUI PRESENTE AU-DESSOUS DE LA SURFACE DU BAIN 16 DES TUYERES 4 D'INTRODUCTION D'OXYGENE A ENVELOPPE D'AGENT PROTECTEUR ET COMPORTE AU-DESSUS DE LA SURFACE DU BAIN DES DISPOSITIFS 13 DE SOUFFLAGE D'OXYGENE SUR LE BAIN. PENDANT UNE PARTIE IMPORTANTE DE LA PERIODE D'AFFINAGE, 20 A 80 DE LA QUANTITE D'OXYGENE D'AFFINAGE SONT AMENES AU BAIN PAR UN OU PLUSIEURS JETS DE GAZ 19 DIRIGES VERS LA SURFACE DU BAIN 16 QUI AGISSENT COMME JETS LIBRES DANS L'ESPACE GAZEUX 20 DU CONVERTISSEUR 1 ET LA QUANTITE RESTANTE D'OXYGENE EST INSUFFLEE AU-DESSOUS DE LA SURFACE DU BAIN. APPLICATION A L'AFFINAGE DE LA FONTE DANS UN CONVERTISSEUR.
FR7834474A 1977-12-10 1978-12-07 Procede d'amelioration du bilan thermique de l'affinage de la fonte Granted FR2411239A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2755165A DE2755165C3 (de) 1977-12-10 1977-12-10 Verfahren zur Erhöhung des Schrottsatzes bei der Stahlerzeugung
DE2838983A DE2838983C3 (de) 1978-09-07 1978-09-07 Verfahren zur Erzeugung von Stahl im Konverter

Publications (2)

Publication Number Publication Date
FR2411239A1 true FR2411239A1 (fr) 1979-07-06
FR2411239B1 FR2411239B1 (fr) 1984-09-14

Family

ID=25773242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834474A Granted FR2411239A1 (fr) 1977-12-10 1978-12-07 Procede d'amelioration du bilan thermique de l'affinage de la fonte

Country Status (20)

Country Link
US (1) US4195985A (fr)
JP (1) JPS54109016A (fr)
AR (1) AR218949A1 (fr)
AT (1) AT377006B (fr)
AU (1) AU530510B2 (fr)
BG (1) BG60214B2 (fr)
BR (1) BR7808087A (fr)
CA (1) CA1123608A (fr)
DD (1) DD140757A5 (fr)
ES (1) ES475778A1 (fr)
FR (1) FR2411239A1 (fr)
GB (1) GB2011477B (fr)
HU (1) HU182867B (fr)
IN (1) IN149859B (fr)
IT (1) IT1107587B (fr)
LU (1) LU80626A1 (fr)
MX (1) MX155005A (fr)
NL (1) NL177837C (fr)
PL (1) PL211603A1 (fr)
SE (1) SE444183B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476140A1 (fr) * 1979-12-01 1981-08-21 Nippon Steel Corp Procede pour la production d'acier a haute teneur en chrome
EP0081448A1 (fr) * 1981-12-04 1983-06-15 Arbed S.A. Procédé et dispositif pour l'affinage d'un bain de métal contenant des matières refroidissantes solides

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755165C3 (de) * 1977-12-10 1988-03-24 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Erhöhung des Schrottsatzes bei der Stahlerzeugung
NL186331C (nl) * 1979-03-15 1990-11-01 Kloeckner Cra Patent Werkwijze voor het bereiden van staal en convertor voor het uitvoeren van de werkwijze.
US4334921A (en) * 1979-04-16 1982-06-15 Nippon Steel Corporation Converter steelmaking process
US4280838A (en) * 1979-05-24 1981-07-28 Sumitomo Metal Industries, Ltd. Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace
JPS5641307A (en) * 1979-09-10 1981-04-18 Nippon Steel Corp Increasing method for heat input in oxygen top blown steel making process
DE2939859C2 (de) * 1979-10-02 1983-06-23 Klöckner-Werke AG, 4100 Duisburg Verfahren zur Stahlherstellung
LU81859A1 (fr) * 1979-11-07 1981-06-04 Arbed Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal
JPS5669318A (en) * 1979-11-10 1981-06-10 Nippon Steel Corp Rotating joint for converter
EP0030360B2 (fr) * 1979-12-11 1988-09-28 Eisenwerk-Gesellschaft Maximilianshütte mbH Procédé de fabrication d'acier
DE3008145C2 (de) * 1980-03-04 1989-09-21 Klöckner CRA Technologie GmbH, 4100 Duisburg Stahlerzeugungsverfahren
DE2949803C2 (de) * 1979-12-11 1986-10-09 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Verbesserung der Wärmeausnutzung bei der Stahlerzeugung aus festen Eisenmaterialien
DE2951156A1 (de) * 1979-12-11 1981-06-25 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren zur waermezufuhr bei der stahlerzeugung im konverter
DE2949794C2 (de) * 1979-12-11 1984-01-19 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren, einer Eisenschmelze im Konverter Kohlenstoff zuzuführen
LU82069A1 (fr) * 1980-01-09 1981-09-10 Arbed Procede d'affinage d'un bain de metal
DE3031680A1 (de) * 1980-08-22 1982-03-11 Klöckner-Werke AG, 4100 Duisburg Verfahren zur gaserzeugung
US4358314A (en) * 1980-09-03 1982-11-09 British Steel Corporation Metal refining process
EP0056655B1 (fr) * 1981-01-21 1984-10-10 Nippon Steel Corporation Arrangement d'une conduite pour l'oxygène dans un tourillon de support d'un convertisseur d'aciérie
JPS57137228A (en) * 1981-02-12 1982-08-24 Kawasaki Steel Corp High-pressure granular solids transporting equipment using combustible gas
FR2506332A1 (fr) * 1981-05-20 1982-11-26 Usinor Dispositif d'alimentation et de distribution de gaz de brassage pour des unites d'injection situees dans le fond d'un convertisseur de fonte en acier a l'oxygene
AU8474782A (en) * 1981-06-19 1982-12-23 British Steel Corp. Refining of steel from pig iron
ZA827820B (en) 1981-10-30 1983-08-31 British Steel Corp Production of steel
US4428564A (en) 1982-01-26 1984-01-31 Pennsylvania Engineering Corporation Metallurgical vessel
JPS58207314A (ja) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Ltd 鋼の精錬方法
US4402739A (en) * 1982-07-13 1983-09-06 Kawasaki Steel Corporation Method of operation of a top-and-bottom blown converter
US4462825A (en) * 1983-09-01 1984-07-31 United States Steel Corporation Method for increasing the scrap melting capability of metal refining processes
JPS61159519A (ja) * 1984-12-29 1986-07-19 Nippon Steel Corp 転炉操業法
JPS62207812A (ja) * 1986-03-07 1987-09-12 Sumitomo Metal Ind Ltd 転炉精錬における炉内熱付与方法
JPS63157808A (ja) * 1986-12-19 1988-06-30 Sumitomo Metal Ind Ltd 複合転炉によるスクラツプ溶解方法
DE3819031C1 (fr) * 1988-06-03 1989-07-20 Kloeckner Stahl Gmbh, 4100 Duisburg, De
US4919714A (en) * 1988-11-14 1990-04-24 Daido Tokushuko Kabushiki Kaisha Method and apparatus for refining steel
AT394395B (de) * 1989-01-13 1992-03-25 Veitscher Magnesitwerke Ag Metallurgisches gefaess und anordnung desselben
DE4213007C1 (de) * 1992-04-21 1993-12-16 Tech Resources Pty Ltd Verfahren und Vorrichtung zum Abdichten von Düsen in der umgebenden feuerfesten Ausmauerung
AT405526B (de) * 1995-03-30 1999-09-27 Voest Alpine Stahl Donawitz Verfahren und vorrichtung zur begrenzung des schaumschlackenvolumens in einem metallurgischen gefäss
KR101000142B1 (ko) * 2002-07-10 2010-12-10 코루스 테크날러지 베.뷔. 금속용기
EP1380656A1 (fr) * 2002-07-10 2004-01-14 Corus Technology BV Dispositif et procédé de fusion directe
DE102015105307A1 (de) * 2015-04-08 2016-10-13 Sms Group Gmbh Konverter
EP3752650B1 (fr) * 2018-02-16 2022-10-05 SMS Group GmbH Procédé d'affinage de métal fondu faisant appel à un convertisseur
CN110982988B (zh) * 2019-12-25 2021-08-13 河钢股份有限公司承德分公司 一种促进lf精炼炉内钢渣接触的脱硫方法及炼钢的方法
CN115807146B (zh) * 2023-01-20 2023-07-04 北京科技大学 一种多介质共用底吹枪的转炉底吹系统及其使用方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1180632A (fr) * 1956-01-19 1959-06-08 Procédé d'élaboration de l'acier dans un convertisseur soufflé par le fond et installation pour l'application dudit procédé
DE1583240A1 (de) * 1967-09-30 1970-08-06 Demag Ag Verfahren und Vorrichtung zum Erzeugen von Stahl im Konverter
FR2150250A1 (en) * 1971-08-26 1973-04-06 Creusot Loire Feeding pulverulent, materials to a melt - in a converter using double coaxial tuyeres
FR2158140A1 (en) * 1971-11-05 1973-06-15 Creusot Loire Steel making - by top and bottom blowing oxygen with a fluid contg hydrocarbons
FR2217422A1 (fr) * 1973-02-12 1974-09-06 Voest Ag
US3839017A (en) * 1972-01-04 1974-10-01 Pennsylvania Engineering Corp Apparatus and method for converting impure ferrous metal to steel
US4047936A (en) * 1973-04-04 1977-09-13 Berry Metal Company Process for refining hot metal to steel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE774886A (fr) * 1971-11-03 1972-05-03 Centre Rech Metallurgique Procede pour la conversion de fonte en acier.
US3920448A (en) * 1972-10-03 1975-11-18 Maximilianshuette Eisenwerk Process and converter for refining liquid metals
US3999977A (en) * 1973-04-25 1976-12-28 United States Steel Corporation Method for controlling the injection of flux into a steelmaking vessel as a function of pressure differential
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1180632A (fr) * 1956-01-19 1959-06-08 Procédé d'élaboration de l'acier dans un convertisseur soufflé par le fond et installation pour l'application dudit procédé
DE1583240A1 (de) * 1967-09-30 1970-08-06 Demag Ag Verfahren und Vorrichtung zum Erzeugen von Stahl im Konverter
FR2150250A1 (en) * 1971-08-26 1973-04-06 Creusot Loire Feeding pulverulent, materials to a melt - in a converter using double coaxial tuyeres
FR2158140A1 (en) * 1971-11-05 1973-06-15 Creusot Loire Steel making - by top and bottom blowing oxygen with a fluid contg hydrocarbons
US3839017A (en) * 1972-01-04 1974-10-01 Pennsylvania Engineering Corp Apparatus and method for converting impure ferrous metal to steel
FR2217422A1 (fr) * 1973-02-12 1974-09-06 Voest Ag
US4047936A (en) * 1973-04-04 1977-09-13 Berry Metal Company Process for refining hot metal to steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476140A1 (fr) * 1979-12-01 1981-08-21 Nippon Steel Corp Procede pour la production d'acier a haute teneur en chrome
EP0081448A1 (fr) * 1981-12-04 1983-06-15 Arbed S.A. Procédé et dispositif pour l'affinage d'un bain de métal contenant des matières refroidissantes solides

Also Published As

Publication number Publication date
GB2011477A (en) 1979-07-11
ATA874878A (de) 1984-06-15
SE444183B (sv) 1986-03-24
MX155005A (es) 1988-01-19
ES475778A1 (es) 1979-04-01
IT7852217A0 (it) 1978-12-06
JPS568085B2 (fr) 1981-02-21
BR7808087A (pt) 1979-08-07
HU182867B (en) 1984-03-28
NL7812020A (nl) 1979-06-12
PL211603A1 (pl) 1979-08-27
BG60214B2 (en) 1993-12-30
IN149859B (fr) 1982-05-15
US4195985A (en) 1980-04-01
SE7812613L (sv) 1979-06-11
FR2411239B1 (fr) 1984-09-14
AU4237478A (en) 1979-06-14
LU80626A1 (de) 1979-04-09
AT377006B (de) 1985-01-25
AR218949A1 (es) 1980-07-15
CA1123608A (fr) 1982-05-18
DD140757A5 (de) 1980-03-26
JPS54109016A (en) 1979-08-27
AU530510B2 (en) 1983-07-21
GB2011477B (en) 1982-10-20
NL177837C (nl) 1985-12-02
IT1107587B (it) 1985-11-25

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