ES8600414A1 - Procedimiento de obtencion de un agente para el tratamiento de acero fundido - Google Patents

Procedimiento de obtencion de un agente para el tratamiento de acero fundido

Info

Publication number
ES8600414A1
ES8600414A1 ES527893A ES527893A ES8600414A1 ES 8600414 A1 ES8600414 A1 ES 8600414A1 ES 527893 A ES527893 A ES 527893A ES 527893 A ES527893 A ES 527893A ES 8600414 A1 ES8600414 A1 ES 8600414A1
Authority
ES
Spain
Prior art keywords
molten steel
treatment agents
granules
aluminium
proportion
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
ES527893A
Other languages
English (en)
Other versions
ES527893A0 (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.)
Foseco Trading AG
Original Assignee
Foseco Trading AG
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
Application filed by Foseco Trading AG filed Critical Foseco Trading AG
Publication of ES527893A0 publication Critical patent/ES527893A0/es
Publication of ES8600414A1 publication Critical patent/ES8600414A1/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
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PROCEDIMIENTO DE OBTENCION DE UN AGENTE PARA EL TRATAMIENTO DE ACERO FUNDIDO.CONSISTE EN MEZCLAR CONJUNTAMENTE OXIDO Y/O CARBONATO DE MAGNESIO CON ALUMINIO, EN EL QUE EL 95 EN PESO DEL ALUMINIO SE ENCUENTRA CUBIERTO POR LOS OTROS INGREDIENTES, PARA PRODUCIR GRANULOS, SIENDO LA PROPORCION DE ALUMINIO EN LA SUPERFICIE DE LOS GRANULOS SUSTANCIALMENTE INFERIOR A LA PROPORCION TOTAL DE ALUMINIO PRESENTE EN LOS GRANULOS. LA RELACION EN PESO DE OXIDO Y/O CARBONATO DE MAGNESIO Y DE 15 A 35 EN PESO DE ALUMINIO; Y DONDE EL CONSTITUYENTE O CONSTITUYENTES EN PARTICULAS SE MEZCLAN CONJUNTAMENTE CON UN AGENTE AGLOMERANTE EN UN MEZCLADOR DE ALTA ENERGIA PARA OBTENER GRANULOS.
ES527893A 1982-12-11 1983-12-07 Procedimiento de obtencion de un agente para el tratamiento de acero fundido Expired ES8600414A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8235377 1982-12-11

Publications (2)

Publication Number Publication Date
ES527893A0 ES527893A0 (es) 1985-10-01
ES8600414A1 true ES8600414A1 (es) 1985-10-01

Family

ID=10534910

Family Applications (1)

Application Number Title Priority Date Filing Date
ES527893A Expired ES8600414A1 (es) 1982-12-11 1983-12-07 Procedimiento de obtencion de un agente para el tratamiento de acero fundido

Country Status (12)

Country Link
US (1) US4462823A (es)
EP (1) EP0116206B1 (es)
JP (1) JPS59133316A (es)
KR (1) KR840007031A (es)
AT (1) ATE22578T1 (es)
AU (1) AU557070B2 (es)
BR (1) BR8306781A (es)
CA (1) CA1215235A (es)
DE (1) DE3366637D1 (es)
ES (1) ES8600414A1 (es)
IN (1) IN161305B (es)
ZA (1) ZA838921B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8325438D0 (en) * 1983-09-22 1983-10-26 Foseco Int Fluxes for casting metals
US4572737A (en) * 1984-06-27 1986-02-25 The Boc Group, Inc. Agents for the removal of impurities from a molten metal and a process for producing same
DE3474568D1 (en) * 1984-06-28 1988-11-17 Thyssen Stahl Ag Method for desulfurizing pig iron
EP0233872B1 (fr) * 1984-11-05 1990-09-12 Extramet Industrie S.A. Procede de traitement des metaux et alliages en vue de leur affinage
CA1281551C (en) * 1985-02-18 1991-03-19 Kazuhiro Kinoshita Method for addition of low-melting point metal
JPS61243134A (ja) * 1985-04-19 1986-10-29 Mitsui Eng & Shipbuild Co Ltd 超極低硫黄合金の製造方法
US4941914A (en) * 1989-05-18 1990-07-17 Elkem Metals Company Desulfurization agent
GB9903051D0 (en) * 1999-02-11 1999-03-31 Qual Chem Limited Steelmaking
CA2304337C (en) 2000-04-07 2008-12-23 Dean Mccann Steelmaking using magnesium carbonate
TW577928B (en) * 2000-09-14 2004-03-01 Nippon Kokan Kk Refining agent and refining method
US20100255169A1 (en) * 2009-04-07 2010-10-07 Inonbridge Technologies, Inc. Package heating apparatus and chemical composition
EP2573058B1 (de) * 2011-09-21 2016-12-21 Rheinkalk GmbH Granulat enthaltend agglomeriertes Schüttgut
DE102011116501C5 (de) * 2011-10-20 2018-05-24 Almamet Gmbh Bitumen enthaltendes Entschwefelungsmittel
CN110042189B (zh) * 2019-04-18 2021-01-12 宁波钢铁有限公司 一种高效脱磷的转炉造渣方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906616A (en) * 1955-04-28 1959-09-29 Siderurgie Fse Inst Rech Method for desulfurizing molten metal and in particular liquid pig iron
DE1046331B (de) * 1955-12-23 1958-12-11 Dr Fredrik Hurum Brikett zur Entschwefelung, Desoxydation, Raffination, Feinung und Entgasung einer Metallschmelze
US3197306A (en) * 1964-08-31 1965-07-27 Dow Chemical Co Method for treating ferrous metals
GB1484258A (en) * 1973-11-27 1977-09-01 Foseco Int Flux composition for desulphurising molten metal
JPS51110413A (es) * 1975-03-25 1976-09-30 Sumitomo Metal Ind
JPS5261110A (en) * 1975-11-14 1977-05-20 Aikoh Co Desulfurization of iron melt
US4126453A (en) * 1976-05-17 1978-11-21 Esm, Inc. Composition for a fluidizing flux in the production of iron and steel
US4137072A (en) * 1976-12-01 1979-01-30 Toyo Soda Manufacturing Co., Ltd. Additive for use in refining iron
DE2708424A1 (de) * 1977-02-26 1978-08-31 Sueddeutsche Kalkstickstoff Feinkoernige entschwefelungsgemische auf basis von erdalkalikarbonaten

Also Published As

Publication number Publication date
JPH0136526B2 (es) 1989-08-01
AU2214083A (en) 1984-06-14
EP0116206B1 (en) 1986-10-01
CA1215235A (en) 1986-12-16
JPS59133316A (ja) 1984-07-31
EP0116206A1 (en) 1984-08-22
AU557070B2 (en) 1986-12-04
ZA838921B (en) 1985-01-30
BR8306781A (pt) 1984-07-17
ES527893A0 (es) 1985-10-01
KR840007031A (ko) 1984-12-04
ATE22578T1 (de) 1986-10-15
IN161305B (es) 1987-11-07
DE3366637D1 (en) 1986-11-06
US4462823A (en) 1984-07-31

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506