FR2668776B1 - Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe. - Google Patents

Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe.

Info

Publication number
FR2668776B1
FR2668776B1 FR9014092A FR9014092A FR2668776B1 FR 2668776 B1 FR2668776 B1 FR 2668776B1 FR 9014092 A FR9014092 A FR 9014092A FR 9014092 A FR9014092 A FR 9014092A FR 2668776 B1 FR2668776 B1 FR 2668776B1
Authority
FR
France
Prior art keywords
product
desulfurizing
cast irons
coated magnesium
liquid steels
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 - Fee Related
Application number
FR9014092A
Other languages
English (en)
Other versions
FR2668776A1 (fr
Inventor
Paul Henri Galvin
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.)
Ferropem SAS
Original Assignee
Pechiney Electrometallurgie SAS
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 Pechiney Electrometallurgie SAS filed Critical Pechiney Electrometallurgie SAS
Priority to FR9014092A priority Critical patent/FR2668776B1/fr
Priority to EP91420388A priority patent/EP0485309B1/fr
Priority to DE91420388T priority patent/DE69100441T2/de
Priority to AT91420388T priority patent/ATE95249T1/de
Priority to ES91420388T priority patent/ES2046031T3/es
Priority to NO914257A priority patent/NO177391C/no
Priority to PT99419A priority patent/PT99419B/pt
Priority to FI915188A priority patent/FI96518C/fi
Priority to PL29227391A priority patent/PL292273A1/xx
Priority to CS913347A priority patent/CS334791A3/cs
Priority to HU913471A priority patent/HUT61344A/hu
Priority to SK3347-91A priority patent/SK280853B6/sk
Priority to US07/788,022 priority patent/US5198016A/en
Publication of FR2668776A1 publication Critical patent/FR2668776A1/fr
Application granted granted Critical
Publication of FR2668776B1 publication Critical patent/FR2668776B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for dephosphorising or desulfurising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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)
  • Ceramic Products (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paints Or Removers (AREA)
FR9014092A 1990-11-05 1990-11-05 Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe. Expired - Fee Related FR2668776B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR9014092A FR2668776B1 (fr) 1990-11-05 1990-11-05 Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe.
DE91420388T DE69100441T2 (de) 1990-11-05 1991-10-30 Beschichtete Magnesiumteilchen zur Entschwefelung von Gusseisen oder Flussstahl.
AT91420388T ATE95249T1 (de) 1990-11-05 1991-10-30 Beschichtete magnesiumteilchen zur entschwefelung von gusseisen oder flussstahl.
ES91420388T ES2046031T3 (es) 1990-11-05 1991-10-30 Producto para desulfuracion de fundiciones o aceros liquidos a base de magnesio recubierto.
NO914257A NO177391C (no) 1990-11-05 1991-10-30 Produkt for desulfurering av smeltet råjern eller stål, basert på belagt magnesium, samt fremgangsmåte til fremstilling av dette
EP91420388A EP0485309B1 (fr) 1990-11-05 1991-10-30 Produit pour désulfuration des fontes ou aciers liquides à base de magnésium enrobé
PT99419A PT99419B (pt) 1990-11-05 1991-11-04 Processo para a preparacao de um produto a base de magnesio revestido apropriado para a dessulfuracao de gusas ou acos liquidos
FI915188A FI96518C (fi) 1990-11-05 1991-11-04 Päällystettyyn magnesiumiin perustuva valmiste rikin poistamiseksi sulasta valuraudasta tai teräksestä
PL29227391A PL292273A1 (en) 1990-11-05 1991-11-04 Molten cast iron and steel desulfurizing agent based on coated magnesium grains and method of obtaining such agent
CS913347A CS334791A3 (en) 1990-11-05 1991-11-05 Means for desulfurizing of cast iron or molten steel and process for producing thereof
HU913471A HUT61344A (en) 1990-11-05 1991-11-05 Composition on coated magnesium grain base for desulfurization of pig iron or steel melt and process for producing the composition
SK3347-91A SK280853B6 (sk) 1990-11-05 1991-11-05 Prostriedok na odsírenie liatin alebo kvapalných ocelí a spôsob jeho výroby
US07/788,022 US5198016A (en) 1990-11-05 1991-11-05 Product for the desulphurization of molten pig iron or steel based on coated magnesium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014092A FR2668776B1 (fr) 1990-11-05 1990-11-05 Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe.

Publications (2)

Publication Number Publication Date
FR2668776A1 FR2668776A1 (fr) 1992-05-07
FR2668776B1 true FR2668776B1 (fr) 1994-05-13

Family

ID=9402139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9014092A Expired - Fee Related FR2668776B1 (fr) 1990-11-05 1990-11-05 Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe.

Country Status (13)

Country Link
US (1) US5198016A (fr)
EP (1) EP0485309B1 (fr)
AT (1) ATE95249T1 (fr)
CS (1) CS334791A3 (fr)
DE (1) DE69100441T2 (fr)
ES (1) ES2046031T3 (fr)
FI (1) FI96518C (fr)
FR (1) FR2668776B1 (fr)
HU (1) HUT61344A (fr)
NO (1) NO177391C (fr)
PL (1) PL292273A1 (fr)
PT (1) PT99419B (fr)
SK (1) SK280853B6 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0511121B1 (fr) * 1991-04-02 1996-09-11 Pechiney Electrometallurgie Désulfurant pour fonte constitué de carbure de calcium et de liant organique
CN1087035C (zh) * 1999-11-02 2002-07-03 北京科技大学 用镁基脱硫剂进行的浅熔池铁水喷吹预处理方法
EP2178953B1 (fr) * 2007-08-09 2014-07-23 Basf Se Composition de revêtement pour particule polymère de styrène expansible
CN102061358B (zh) * 2011-01-17 2012-12-26 中国恩菲工程技术有限公司 高硫粗镍铁的脱硫精炼工艺
CN102108428B (zh) * 2011-01-17 2013-04-03 中国恩菲工程技术有限公司 粗镍铁的精炼工艺
CN103773914A (zh) * 2012-10-23 2014-05-07 刘秀凤 铸铁用复合脱硫材料的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536362A (en) * 1949-12-19 1951-01-02 Du Pont Treatment of molten metals
US3410681A (en) * 1965-09-28 1968-11-12 Fur Tech Entwicklung Und Verwe Composition for the treatment of steel
JPS5261110A (en) * 1975-11-14 1977-05-20 Aikoh Co Desulfurization of iron melt
US4533572A (en) * 1984-03-20 1985-08-06 Amax Inc. Process for producing varnish-bonded carbon-coated metal granules
GB8712168D0 (en) * 1987-05-22 1987-06-24 Foseco Int Metallurgical treatment agents
GB8802951D0 (en) * 1988-02-09 1988-03-09 Foseco Int Metallurgical treatment agents

Also Published As

Publication number Publication date
FI915188A0 (fi) 1991-11-04
DE69100441D1 (de) 1993-11-04
FR2668776A1 (fr) 1992-05-07
NO177391B (no) 1995-05-29
HUT61344A (en) 1992-12-28
PL292273A1 (en) 1992-06-01
ES2046031T3 (es) 1994-01-16
PT99419B (pt) 1999-04-30
SK280853B6 (sk) 2000-08-14
HU913471D0 (en) 1992-01-28
PT99419A (pt) 1992-09-30
EP0485309B1 (fr) 1993-09-29
DE69100441T2 (de) 1994-01-20
FI96518B (fi) 1996-03-29
FI915188A (fi) 1992-05-06
CS334791A3 (en) 1992-05-13
FI96518C (fi) 1996-07-10
NO177391C (no) 1995-09-06
US5198016A (en) 1993-03-30
ATE95249T1 (de) 1993-10-15
NO914257D0 (no) 1991-10-30
NO914257L (no) 1992-05-06
EP0485309A1 (fr) 1992-05-13

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 19/92

ST Notification of lapse