KR850001921A - Method and apparatus for adding calcium to molten iron bath - Google Patents

Method and apparatus for adding calcium to molten iron bath

Info

Publication number
KR850001921A
KR850001921A KR1019840004837A KR840004837A KR850001921A KR 850001921 A KR850001921 A KR 850001921A KR 1019840004837 A KR1019840004837 A KR 1019840004837A KR 840004837 A KR840004837 A KR 840004837A KR 850001921 A KR850001921 A KR 850001921A
Authority
KR
South Korea
Prior art keywords
molten iron
adding calcium
iron bath
bath
calcium
Prior art date
Application number
KR1019840004837A
Other languages
Korean (ko)
Other versions
KR880000468B1 (en
Inventor
제라드 카이제트 죠셉
2세 에밀 죠셉 위더
Original Assignee
화이자 인코포레이트
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 화이자 인코포레이트 filed Critical 화이자 인코포레이트
Publication of KR850001921A publication Critical patent/KR850001921A/en
Application granted granted Critical
Publication of KR880000468B1 publication Critical patent/KR880000468B1/en

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)
KR1019840004837A 1983-08-12 1984-08-11 Process for adding calcium to a bath of molten ferrous material KR880000468B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US522754 1983-08-12
US06/522,754 US4481032A (en) 1983-08-12 1983-08-12 Process for adding calcium to a bath of molten ferrous material
US522753 1983-08-12
US06/522,753 US4512800A (en) 1983-08-12 1983-08-12 Wire injection apparatus

Publications (2)

Publication Number Publication Date
KR850001921A true KR850001921A (en) 1985-04-10
KR880000468B1 KR880000468B1 (en) 1988-04-07

Family

ID=27060927

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840004837A KR880000468B1 (en) 1983-08-12 1984-08-11 Process for adding calcium to a bath of molten ferrous material

Country Status (8)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456001B (en) * 1983-11-08 1988-08-29 Bind O Matic Ab BLOCK AND WAY TO MAKE THE SAME
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 (en) * 1997-06-23 1999-07-23 Pechiney Electrometallurgie PROCESS FOR TREATING MOLTEN LEAD WITH CALCIUM AND CALCIUM-BASED WIRE FOR SUCH TREATMENT
RU2152834C1 (en) * 1999-12-06 2000-07-20 Неретин Александр Алексеевич Method for making calcium wire
FR2871477B1 (en) 2004-06-10 2006-09-29 Affival Sa Sa WIRE FOURRE
US8221677B2 (en) * 2007-04-02 2012-07-17 Specialty Minerals (Michigan) Inc. Wire injection lance nozzle insert

Family Cites Families (9)

* 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
DE6919468U (en) * 1968-05-13 1973-11-08 Nippon Kokan Kk DEVICE FOR ADDING ALUMINUM, MAGNESIUM, CALCIUM, CHROME, NICKEL, LEAD OR THEIR ALLOYS TO A STEEL MELT.
US3778250A (en) * 1969-02-26 1973-12-11 Jones & Laughlin Steel Corp Method for treating metallic melts
JPS4936086B1 (en) * 1969-03-07 1974-09-27
BE795333A (en) * 1972-03-01 1973-05-29 Thyssen Niederrhein Ag DESULFURATION PROCESS FOR FUSION STEEL AND POCKET FOR ITS IMPLEMENTATION
DE2607947C2 (en) * 1976-02-27 1985-03-14 Fried. Krupp Gmbh, 4300 Essen Loading device
DE2634282C2 (en) * 1976-07-28 1978-04-13 Mannesmann Ag, 4000 Duesseldorf Process for the continuous introduction of additives into a vessel filled with liquid metal
US4094666A (en) * 1977-05-24 1978-06-13 Metal Research Corporation Method for refining molten iron and steels
JPS5713115A (en) * 1980-06-26 1982-01-23 Komatsu Ltd Production of tough and strong free-cutting ca cast steel

Also Published As

Publication number Publication date
ES545813A0 (en) 1986-06-16
EP0137618A3 (en) 1986-04-02
ES8700330A1 (en) 1986-10-16
DK386284A (en) 1985-02-13
AU550957B2 (en) 1986-04-10
ES8607408A1 (en) 1986-06-16
KR880000468B1 (en) 1988-04-07
EP0137618A2 (en) 1985-04-17
ES545812A0 (en) 1986-06-16
BR8404033A (en) 1985-07-16
DK386284D0 (en) 1984-08-10
ES535098A0 (en) 1986-10-16
EP0137618B1 (en) 1988-06-22
AU3178384A (en) 1985-02-14
DE3472274D1 (en) 1988-07-28
JPH0369966B2 (en) 1991-11-06
JPH0347909A (en) 1991-02-28
ES8607407A1 (en) 1986-06-16

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Legal Events

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E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040402

Year of fee payment: 17

EXPY Expiration of term