Refractory wall, metallurgical vessel comprising such a...

Details Refractory wall, metallurgical vessel comprising such a... Refractory wall, metallurgical vessel comprising such a...

C - Chemistry, Metallurgy

21

C

C21C 5/44 (2006.01) C21B 13/00 (2006.01) C21C 5/56 (2006.01) F27D 1/12 (2006.01)

Patent

CA 2278513

Refractory wall structure, suitable in particular for use in a metallurgical vessel for a continuous production of crude iron in a smelting reduction process under conditions of an extremely high thermal load in a highly abrasive environment of molten slag with a high FeO content, comprising, going from the outside to the inside, (1) a steel jacket (6); (2) a water-cooled copper wall (7); (3) water-cooled copper ledges (8) extending towards the inside; (4) a lining of refractory material (10, 11) resting on the ledges (8).

Cette structure de paroi réfractaire, conçue notamment pour un usage dans une cuve métallurgique de production en continu de fer brut, dans un procédé de réduction par fusion, dans des conditions de charge thermique extrêmement élevée et dans un environnement hautement abrasif de scories en fusion à haute teneur en FeO, comprend, de l'extérieur vers l'intérieur: (1) une enveloppe en acier (6), (2) une paroi de cuivre refroidie par eau (7), (3) des pièces d'appui (8) en cuivre, refroidies par eau et s'étendant vers l'intérieur, et (4) un chemisage de matériau réfractaire (10, 11) reposant sur les pièces d'appui (8).

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