C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 1/24 (2006.01) C21B 3/02 (2006.01) C21B 11/00 (2006.01) C21B 13/00 (2006.01) C21B 13/14 (2006.01)
Patent
CA 2234562
A method for preparing iron bearing green pellets (36) that can be processed in a rotary hearth furnace (15) without degradation and become self fluxing sponge iron pellets when charged to a submerged arc furnace (20) operating at a lower temperature than the rotary hearth furnace (15), to produce hot metal having a carbon content from 1 % to about 5 %.
L'invention concerne un procédé de production de boulettes vertes (36) porteuses de fer que l'on peut traiter dans un four (15) à sole rotatif sans dégradation et qui se transforme en boulettes de fer spongieux autofondantes lorsqu'elles sont chargées dans un four à l'arc submergé (20) fonctionnant à une température inférieure à celle du four (15) à sole rotatif pour produire un métal chaud contenant entre 1 et environ 5 % de carbone.
Borden Ladner Gervais Llp
Usx Engineers And Consultants Inc.
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