ES8700330A1 - Procedimiento para anadir calcio a un bano de material ferroso fundido - Google Patents

Procedimiento para anadir calcio a un bano de material ferroso fundido

Info

Publication number
ES8700330A1
ES8700330A1 ES535098A ES535098A ES8700330A1 ES 8700330 A1 ES8700330 A1 ES 8700330A1 ES 535098 A ES535098 A ES 535098A ES 535098 A ES535098 A ES 535098A ES 8700330 A1 ES8700330 A1 ES 8700330A1
Authority
ES
Spain
Prior art keywords
ferrous material
bath
lance
calcium
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
Application number
ES535098A
Other languages
English (en)
Spanish (es)
Other versions
ES535098A0 (es
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.)
Pfizer Corp Belgium
Pfizer Corp SRL
Original Assignee
Pfizer Corp Belgium
Pfizer Corp SRL
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 US06/522,754 external-priority patent/US4481032A/en
Priority claimed from US06/522,753 external-priority patent/US4512800A/en
Application filed by Pfizer Corp Belgium, Pfizer Corp SRL filed Critical Pfizer Corp Belgium
Publication of ES8700330A1 publication Critical patent/ES8700330A1/es
Publication of ES535098A0 publication Critical patent/ES535098A0/es
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • C21C7/06—Deoxidising, e.g. killing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
ES535098A 1983-08-12 1984-08-10 Procedimiento para anadir calcio a un bano de material ferroso fundido Expired ES8700330A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/522,754 US4481032A (en) 1983-08-12 1983-08-12 Process for adding calcium to a bath of molten ferrous material
US06/522,753 US4512800A (en) 1983-08-12 1983-08-12 Wire injection apparatus

Publications (2)

Publication Number Publication Date
ES8700330A1 true ES8700330A1 (es) 1986-10-16
ES535098A0 ES535098A0 (es) 1986-10-16

Family

ID=27060927

Family Applications (3)

Application Number Title Priority Date Filing Date
ES535098A Expired ES8700330A1 (es) 1983-08-12 1984-08-10 Procedimiento para anadir calcio a un bano de material ferroso fundido
ES545812A Expired ES8607407A1 (es) 1983-08-12 1985-08-01 Aparato para inyectar un elemento de tratamiento en forma dealambre bajo la superficie de un material fundido
ES545813A Expired ES8607408A1 (es) 1983-08-12 1985-08-01 Tobera para inyectar un elemento de tratamiento bajo la for-ma de un alambre directamente en el interior de un material fundido

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES545812A Expired ES8607407A1 (es) 1983-08-12 1985-08-01 Aparato para inyectar un elemento de tratamiento en forma dealambre bajo la superficie de un material fundido
ES545813A Expired ES8607408A1 (es) 1983-08-12 1985-08-01 Tobera para inyectar un elemento de tratamiento bajo la for-ma de un alambre directamente en el interior de un material fundido

Country Status (8)

Country Link
EP (1) EP0137618B1 (enrdf_load_stackoverflow)
JP (1) JPH0347909A (enrdf_load_stackoverflow)
KR (1) KR880000468B1 (enrdf_load_stackoverflow)
AU (1) AU550957B2 (enrdf_load_stackoverflow)
BR (1) BR8404033A (enrdf_load_stackoverflow)
DE (1) DE3472274D1 (enrdf_load_stackoverflow)
DK (1) DK386284A (enrdf_load_stackoverflow)
ES (3) ES8700330A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456001B (sv) * 1983-11-08 1988-08-29 Bind O Matic Ab Block samt sett att framstella detsamma
DE3661841D1 (en) * 1985-01-24 1989-02-23 Vallourec Process for treating liquid metals by a calcium-containing cored wire
US4705261A (en) * 1986-11-28 1987-11-10 Pfizer Inc. Wire injection nozzle
FR2764905B1 (fr) * 1997-06-23 1999-07-23 Pechiney Electrometallurgie Procede de traitement du plomb fondu par le calcium et fil a base de calcium pour ce traitement
RU2152834C1 (ru) * 1999-12-06 2000-07-20 Неретин Александр Алексеевич Способ изготовления кальциевой проволоки
FR2871477B1 (fr) 2004-06-10 2006-09-29 Affival Sa Sa Fil fourre
US8221677B2 (en) 2007-04-02 2012-07-17 Specialty Minerals (Michigan) Inc. Wire injection lance nozzle insert

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577837A (en) * 1949-10-29 1951-12-11 Lothar R Zifferer Introduction of magnesium into molten iron
FR2008407A1 (enrdf_load_stackoverflow) * 1968-05-13 1970-01-23 Nippon Kokan Kk
US3778250A (en) * 1969-02-26 1973-12-11 Jones & Laughlin Steel Corp Method for treating metallic melts
JPS4936086B1 (enrdf_load_stackoverflow) * 1969-03-07 1974-09-27
BE795333A (fr) * 1972-03-01 1973-05-29 Thyssen Niederrhein Ag Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre
DE2607947C2 (de) * 1976-02-27 1985-03-14 Fried. Krupp Gmbh, 4300 Essen Beschickungseinrichtung
DE2634282C2 (de) * 1976-07-28 1978-04-13 Mannesmann Ag, 4000 Duesseldorf Verfahren zum kontinuierlichen Einbringen von Zusatzmitteln in ein mit flüssigem Metall gefülltes Gefäß
US4094666A (en) * 1977-05-24 1978-06-13 Metal Research Corporation Method for refining molten iron and steels

Also Published As

Publication number Publication date
DE3472274D1 (en) 1988-07-28
JPH0347909A (ja) 1991-02-28
AU550957B2 (en) 1986-04-10
AU3178384A (en) 1985-02-14
EP0137618A2 (en) 1985-04-17
DK386284D0 (da) 1984-08-10
ES545813A0 (es) 1986-06-16
ES545812A0 (es) 1986-06-16
EP0137618A3 (en) 1986-04-02
JPH0369966B2 (enrdf_load_stackoverflow) 1991-11-06
EP0137618B1 (en) 1988-06-22
ES8607408A1 (es) 1986-06-16
ES8607407A1 (es) 1986-06-16
KR850001921A (ko) 1985-04-10
BR8404033A (pt) 1985-07-16
ES535098A0 (es) 1986-10-16
KR880000468B1 (ko) 1988-04-07
DK386284A (da) 1985-02-13

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060704