JPH0347909A - 融解金属材料表面下方に処理金属を注入する装置 - Google Patents

融解金属材料表面下方に処理金属を注入する装置

Info

Publication number
JPH0347909A
JPH0347909A JP2029345A JP2934590A JPH0347909A JP H0347909 A JPH0347909 A JP H0347909A JP 2029345 A JP2029345 A JP 2029345A JP 2934590 A JP2934590 A JP 2934590A JP H0347909 A JPH0347909 A JP H0347909A
Authority
JP
Japan
Prior art keywords
wire
nozzle
molten material
inert gas
conduit
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
JP2029345A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0369966B2 (2
Inventor
Joseph Gerard Kaiser
ジョセフ・ジェラード・カイザー
Emil Joseph Wirth Jr
エミル・ジョセフ・ワイアース・ジュニアー
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 Inc
Original Assignee
Pfizer Inc
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 Inc filed Critical Pfizer Inc
Publication of JPH0347909A publication Critical patent/JPH0347909A/ja
Publication of JPH0369966B2 publication Critical patent/JPH0369966B2/ja
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
    • 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)
JP2029345A 1983-08-12 1990-02-08 融解金属材料表面下方に処理金属を注入する装置 Granted JPH0347909A (ja)

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
US06/522,753 US4512800A (en) 1983-08-12 1983-08-12 Wire injection apparatus
US522753 1983-08-12

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP59169181A Division JPS60100613A (ja) 1983-08-12 1984-08-13 融解した鉄材の浴にカルシウム金属を添加する方法

Publications (2)

Publication Number Publication Date
JPH0347909A true JPH0347909A (ja) 1991-02-28
JPH0369966B2 JPH0369966B2 (2) 1991-11-06

Family

ID=27060927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2029345A Granted JPH0347909A (ja) 1983-08-12 1990-02-08 融解金属材料表面下方に処理金属を注入する装置

Country Status (8)

Country Link
EP (1) EP0137618B1 (2)
JP (1) JPH0347909A (2)
KR (1) KR880000468B1 (2)
AU (1) AU550957B2 (2)
BR (1) BR8404033A (2)
DE (1) DE3472274D1 (2)
DK (1) DK386284A (2)
ES (3) ES8700330A1 (2)

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
AU587228B2 (en) * 1985-01-24 1989-08-10 Vallourec Treatment of liquid steel with calcium 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
DE1924509A1 (de) * 1968-05-13 1970-11-12 Nippon Kokan Kk Verfahren und Vorrichtung zum Zusetzen von Aluminium,Aluminiumlegierungen u.ae. zu einer Stahlschmelze
US3778250A (en) * 1969-02-26 1973-12-11 Jones & Laughlin Steel Corp Method for treating metallic melts
JPS4936086B1 (2) * 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
ES8607408A1 (es) 1986-06-16
EP0137618A3 (en) 1986-04-02
KR850001921A (ko) 1985-04-10
DK386284D0 (da) 1984-08-10
ES545813A0 (es) 1986-06-16
EP0137618A2 (en) 1985-04-17
ES8607407A1 (es) 1986-06-16
DE3472274D1 (en) 1988-07-28
ES545812A0 (es) 1986-06-16
KR880000468B1 (ko) 1988-04-07
DK386284A (da) 1985-02-13
EP0137618B1 (en) 1988-06-22
AU550957B2 (en) 1986-04-10
BR8404033A (pt) 1985-07-16
JPH0369966B2 (2) 1991-11-06
AU3178384A (en) 1985-02-14
ES535098A0 (es) 1986-10-16
ES8700330A1 (es) 1986-10-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term