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ES8607408A1 - Process and apparatus for adding calcium to a bath of molten ferrous material. - Google Patents

Process and apparatus for adding calcium to a bath of molten ferrous material.

Info

Publication number
ES8607408A1
ES8607408A1 ES545813A ES545813A ES8607408A1 ES 8607408 A1 ES8607408 A1 ES 8607408A1 ES 545813 A ES545813 A ES 545813A ES 545813 A ES545813 A ES 545813A ES 8607408 A1 ES8607408 A1 ES 8607408A1
Authority
ES
Spain
Prior art keywords
duct
ferrous material
bath
section
adding calcium
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
ES545813A
Other languages
Spanish (es)
Other versions
ES545813A0 (en
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 US06/522,753 external-priority patent/US4512800A/en
Priority claimed from US06/522,754 external-priority patent/US4481032A/en
Application filed by Pfizer Corp Belgium, Pfizer Corp SRL filed Critical Pfizer Corp Belgium
Publication of ES8607408A1 publication Critical patent/ES8607408A1/en
Publication of ES545813A0 publication Critical patent/ES545813A0/en
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)

Abstract

TOBERA PARA INYECTAR UN ELEMENTO DE TRATAMIENTO EN EL INTERIOR DE UN MATERIAL FERROSO FUNDIDO. SE COMPONE DE: UN TUBO DE CERAMICA REFRACTARIA (62) PERIFERICO A BASE DE ALUMINA CON UNA LONGITUD APROXIMADA DE 3 METROS Y UNA PARTE CENTRAL QUE INCLUYE UN CONDUCTO MECANICO (70) UNIDO A ROSCA CON EL CONDUCTO METALICO (66) MEDIANTE SOLDADURA (72), ENCLAVADO AL CONDUCTO METALICO (66) POR AGUJEROS ENSANCHADOS (68) SITUADOS EN LOS EXTREMOS DEL CONDUCTO DE MAYOR DIAMETRO Y DOTADO DE UNA SECCION (80) QUE PRESENTA FORMA DE EMBUDO ALARGADO CON CONICIDAD PROGRESIVA Y TIENE UNA SECCION (83) CILINDRICA DE DIAMETRO UNIFORME OPUESTA A LA EXTREMIDAD ESTRECHA (82) Y QUE FORMA UN ORIFICIO DE SALIDA (84).NOZZLE FOR INJECTING A TREATMENT ELEMENT INSIDE A CASTED FERROUS MATERIAL. IT CONSISTS OF: A PERIPHERAL REFRACTORY CERAMIC TUBE (62) BASED ON ALUMIN WITH A LENGTH OF APPROXIMATE 3 METERS AND A CENTRAL PART THAT INCLUDES A MECHANICAL DUCT (70) THREADED TO THE METAL DUCT (66) BY WELDING (72 ), INTERLOCKED TO THE METALLIC DUCT (66) BY WIDENED HOLES (68) LOCATED AT THE ENDS OF THE DUCT WITH A LARGER DIAMETER AND EQUIPPED WITH A SECTION (80) THAT PRESENTS AN ELONGATED FUNNEL FORM WITH PROGRESSIVE CONICITY AND HAS A SECTION (83) UNIFORM DIAMETER OPPOSITE TO THE NARROW EXTREMITY (82) AND FORMING AN OUTLET HOLE (84).

ES545813A 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material. Expired ES8607408A1 (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
ES8607408A1 true ES8607408A1 (en) 1986-06-16
ES545813A0 ES545813A0 (en) 1986-06-16

Family

ID=27060927

Family Applications (3)

Application Number Title Priority Date Filing Date
ES535098A Expired ES8700330A1 (en) 1983-08-12 1984-08-10 Process and apparatus for adding calcium to a bath of molten ferrous material.
ES545813A Expired ES8607408A1 (en) 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material.
ES545812A Expired ES8607407A1 (en) 1983-08-12 1985-08-01 APPARATUS FOR INJECTING A WELDING TREATMENT ELEMENT UNDER THE SURFACE OF A MELTED MATERIAL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES535098A Expired ES8700330A1 (en) 1983-08-12 1984-08-10 Process and apparatus for adding calcium to a bath of molten ferrous material.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES545812A Expired ES8607407A1 (en) 1983-08-12 1985-08-01 APPARATUS FOR INJECTING A WELDING TREATMENT ELEMENT UNDER THE SURFACE OF A MELTED 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
EP0190089B1 (en) * 1985-01-24 1989-01-18 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 (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 (en) * 1968-05-13 1970-11-12 Nippon Kokan Kk Method and device for adding aluminum, aluminum alloys, etc. 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

Also Published As

Publication number Publication date
KR850001921A (en) 1985-04-10
ES545812A0 (en) 1986-06-16
DK386284A (en) 1985-02-13
ES535098A0 (en) 1986-10-16
ES8700330A1 (en) 1986-10-16
DK386284D0 (en) 1984-08-10
EP0137618B1 (en) 1988-06-22
ES8607407A1 (en) 1986-06-16
ES545813A0 (en) 1986-06-16
DE3472274D1 (en) 1988-07-28
AU3178384A (en) 1985-02-14
BR8404033A (en) 1985-07-16
JPH0347909A (en) 1991-02-28
KR880000468B1 (en) 1988-04-07
JPH0369966B2 (en) 1991-11-06
EP0137618A3 (en) 1986-04-02
AU550957B2 (en) 1986-04-10
EP0137618A2 (en) 1985-04-17

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060417