EP 0029038 A1 19810527 - PRODUCT FOR THE DESULPHURIZATION OF CAST IRONS AND STEELS.
Title (en)
PRODUCT FOR THE DESULPHURIZATION OF CAST IRONS AND STEELS.
Title (de)
PRODUKT ZUR ENTSCHWEFELUNG VON GUSSEISEN UND STAHL.
Title (fr)
PRODUIT POUR LA DESULFURATION DES FONTES ET ACIERS.
Publication
Application
Priority
FR 7913279 A 19790515
Abstract (en)
[origin: WO8002565A1] The product is formed by the association of granulated magnesium or magnesium alloy, with roundish contours, of a grading comprised between 0.1 and 3 mm, and of a granulated slag, with a basicity index higher than 1, comprising alumina, lime, silica and magnesium oxide, and optionnally an additional flux, with a grading comprised between 0.1 and 3 mm, in a ratio from 90 to 10%, and preferably from 80 to 20% of granulated magnesium, and from 10 to 90% and preferably 20 to 80% of granulated slag. Application to the desulphurization of refining and moulding cast irons, to the nodulizing of moulding cast irons, by lance injection, in a carrier gas stream, into the liquid cast iron or steel.
Abstract (fr)
Produit pour la desulfuration des fontes et aciers. Le produit est constitue par l'association de grenaille de magnesium ou d'alliage de magnesium, a contours arrondis, d'une granulometrie comprise entre 0,1 et 3 mm, et de laitier granule d'indice de basicite superieure a 1, comportant de l'alumine, de la chaux, de la silice et de la magnesie, et eventuellement un fondant supplementaire, d'une granulometrie comprise entre 0,1 et 3 mm, dans un rapport allant de 90 a 10%, et de preference de 80 a 20% de grenaille de magnesium, et de 10 a 90% et de preference de 20 a 80% de laitier granule. Application a la desulfuration des fontes d'affinage et de moulage, a la nodulisation des fontes de moulage, par injection a la lance, en courant de gaz porteur, dans la fonte ou l'acier liquide.
IPC 1-7
IPC 8 full level
C21C 1/02 (2006.01); C21C 1/10 (2006.01); C21C 7/04 (2006.01); C21C 7/064 (2006.01)
CPC (source: EP US)
C21C 1/025 (2013.01 - EP US); C21C 7/0645 (2013.01 - EP US)
Designated contracting state (EPC)
DE GB LU SE
DOCDB simple family (publication)
WO 8002565 A1 19801127; AR 219255 A1 19800731; AU 532686 B2 19831006; AU 5982480 A 19810115; BE 883297 A 19801114; BR 8008679 A 19810414; CA 1150058 A 19830719; DE 3065758 D1 19840105; EP 0029038 A1 19810527; EP 0029038 B1 19831130; FR 2456779 A1 19801212; FR 2456779 B1 19841005; IN 152626 B 19840225; IT 1140849 B 19861010; IT 8021891 A0 19800508; JP S56500302 A 19810312; JP S5942725 B2 19841017; MX 153816 A 19870119; RO 81381 A 19841125; RO 81381 B 19841130; US 4364771 A 19821221; ZA 802844 B 19810527
DOCDB simple family (application)
FR 8000073 W 19800512; AR 28106880 A 19800515; AU 5982480 A 19800512; BE 200613 A 19800514; BR 8008679 A 19800512; CA 351885 A 19800514; DE 3065758 T 19800512; EP 80900923 A 19801201; FR 7913279 A 19790515; IN 475CA1980 A 19800424; IT 2189180 A 19800508; JP 50108680 A 19800512; MX 18230380 A 19800513; RO 10289680 A 19800512; US 22453581 A 19811217; ZA 802844 A 19800513