ES8302103A1 - "procedimiento para la preparacion de una mezcla para la desulfuracion de masas fundidas metalicas". - Google Patents

"procedimiento para la preparacion de una mezcla para la desulfuracion de masas fundidas metalicas".

Info

Publication number
ES8302103A1
ES8302103A1 ES510768A ES510768A ES8302103A1 ES 8302103 A1 ES8302103 A1 ES 8302103A1 ES 510768 A ES510768 A ES 510768A ES 510768 A ES510768 A ES 510768A ES 8302103 A1 ES8302103 A1 ES 8302103A1
Authority
ES
Spain
Prior art keywords
pig iron
cao
desulfurizing agents
steel melts
mixtures
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
ES510768A
Other languages
English (en)
Other versions
ES510768A0 (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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of ES8302103A1 publication Critical patent/ES8302103A1/es
Publication of ES510768A0 publication Critical patent/ES510768A0/es
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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for 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
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

_(PROCEDIMIENTO PARA LA PREPARACION DE UNA MEZCLA PARA LA DESULFURACION DE MASAS FUNDIDAS METALICAS . CONSTA DE LAS SIGUIENTES OPERACIONES:1 <002> INCORPORACION DE OXIDO CALCICO FINAMENTE DIVIDIDO A UNA MASA FUNDIDA DE CARBURO CALCICO. 2<002> ENFRIAMIENTO DE LA MEZCLA OBTENIDA CON SOLIDIFICACION, A TEMPERATURAS DE 350 A 450<025>C, A ESTAS TEMPERATURAS, SE TRITURA PREVIAMENTE A TAMAÑOS DE GRANOS MENORES DE 150 M/M, LA PORCION DE GRANOS MENOR DE LA M/M, QUE RESULTA EN TAL CASO IMPERATIVAMENTE, SE SEPARA, Y AL PRODUCTO REMANENTE SE LE AÑADEN CARBONO LIBRE Y CARBONATO, Y LA MEZCLA SE DESMENUZA EN PRESENCIA DE AIRE O NITROGENO CON UN CONTENIDO DE HUMEDAD DE 5 A 20 G/M , POR TRITURACION Y MOLIENDA A TEMPERATURAS INFERIORES A 100<025>C HASTA TAMAÑOS DE GRANO INFERIORES A 10 M/M.
ES510768A 1981-03-24 1982-03-24 "procedimiento para la preparacion de una mezcla para la desulfuracion de masas fundidas metalicas". Granted ES510768A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813111510 DE3111510A1 (de) 1981-03-24 1981-03-24 Entschwefelungsgemisch und verfahren zu seiner herstellung

Publications (2)

Publication Number Publication Date
ES8302103A1 true ES8302103A1 (es) 1983-02-01
ES510768A0 ES510768A0 (es) 1983-02-01

Family

ID=6128140

Family Applications (1)

Application Number Title Priority Date Filing Date
ES510768A Granted ES510768A0 (es) 1981-03-24 1982-03-24 "procedimiento para la preparacion de una mezcla para la desulfuracion de masas fundidas metalicas".

Country Status (10)

Country Link
US (1) US4395282A (es)
EP (1) EP0061012B1 (es)
JP (1) JPS57171611A (es)
AT (1) ATE9232T1 (es)
BR (1) BR8201621A (es)
CA (1) CA1184385A (es)
DD (1) DD202182A5 (es)
DE (2) DE3111510A1 (es)
ES (1) ES510768A0 (es)
ZA (1) ZA821940B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1240842A (en) * 1984-05-16 1988-08-23 Heinrich Rellermeyer Method, process and composition for desulfurizing pig-iron melts
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
BR8606249A (pt) * 1985-12-17 1987-09-29 Sueddeutsche Kalkstickstoff Composicao finamente granulada para a dessulfuracao de ferro fundido e processo para sua preparacao
DE3908071A1 (de) * 1989-03-13 1990-09-20 Hoechst Ag Mittel und verfahren zum entschwefeln von metallschmelzen
US5358550A (en) * 1992-10-26 1994-10-25 Rossborough Manufacturing Company Desulfurization agent
US5407459A (en) * 1993-09-23 1995-04-18 Alcan International Limited Process for the preparation of calcium aluminates from aluminum dross residues
AT406690B (de) * 1994-12-09 2000-07-25 Donau Chemie Ag Mittel zur behandlung von roheisen- und gusseisenschmelzen zum zweck der entschwefelung
US6238633B1 (en) 1997-06-30 2001-05-29 Aluminum Waste Technology, Inc. Process for preparing calcium aluminate from aluminum dross
US6372014B1 (en) 2000-04-10 2002-04-16 Rossborough Manufacturing Co. L.P. Magnesium injection agent for ferrous metal
US6352570B1 (en) 2000-04-10 2002-03-05 Rossborough Manufacturing Co., Lp Magnesium desulfurization agent
US6770115B2 (en) * 2002-10-18 2004-08-03 Remacor, Inc. Process for magnesium granules
US6989040B2 (en) * 2002-10-30 2006-01-24 Gerald Zebrowski Reclaimed magnesium desulfurization agent
US7731778B2 (en) * 2006-03-27 2010-06-08 Magnesium Technologies Corporation Scrap bale for steel making process
US20080196548A1 (en) * 2007-02-16 2008-08-21 Magnesium Technologies Corporation Desulfurization puck

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH428820A (fr) * 1963-12-12 1967-01-31 Tech Entwicklung Und Verwertun Produit d'affinage de l'acier
US3197306A (en) * 1964-08-31 1965-07-27 Dow Chemical Co Method for treating ferrous metals
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
DE2252795C3 (de) * 1972-10-27 1982-09-09 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen
DE2326539C3 (de) * 1973-05-24 1975-11-13 Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff
DE2741588C2 (de) * 1977-09-15 1985-02-07 Skw Trostberg Ag, 8223 Trostberg Mittel zum Entschwefeln von Eisenschmelzen
DE2907069C3 (de) * 1979-02-23 1981-12-10 Krupp Stahl Ag, 4630 Bochum Mittel zur Entschwefelung von Metallschmelzen
DE2919324A1 (de) * 1979-05-14 1980-12-04 Hoechst Ag Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung
DE2920353A1 (de) * 1979-05-19 1980-11-27 Hoechst Ag Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen
ES497686A0 (es) * 1979-12-29 1981-11-01 Hoechst Ag Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas
DE2952686A1 (de) * 1979-12-29 1981-07-02 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen

Also Published As

Publication number Publication date
DD202182A5 (de) 1983-08-31
JPH0152446B2 (es) 1989-11-08
US4395282A (en) 1983-07-26
CA1184385A (en) 1985-03-26
DE3260643D1 (en) 1984-10-11
BR8201621A (pt) 1983-02-16
ATE9232T1 (de) 1984-09-15
ZA821940B (en) 1983-02-23
JPS57171611A (en) 1982-10-22
EP0061012A1 (de) 1982-09-29
ES510768A0 (es) 1983-02-01
DE3111510A1 (de) 1982-10-07
EP0061012B1 (de) 1984-09-05

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