Launder for casting molten copper

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 35/06 (2006.01) C21B 7/14 (2006.01) F27D 3/14 (2006.01)

Patent

CA 2591952

The invention relates to a launder construction for the conveyance of molten metal. The metal flows in the lower part of the launder construction in a channel defined by a refractory mass, the launder being heat-insulated so that, in operating conditions, the metal forms a solid zone in the porous refractory mass. The essential features of the launder construction include a cover part that is provided with electrical resistors, ensuring that the metal remains melted and the launder sufficiently hot throughout the process, and a gas burner that prevents the metal from cooling under the effect of the gas flowing in the launder channel.

L'invention concerne une structure de chenal de coulée destinée au transport d'un métal fondu. Le métal s'écoule dans la partie inférieure de la structure de chenal de coulée, dans un canal défini par une masse réfractaire, le chenal de coulée étant calorifugé de sorte que, en fonctionnement, le métal forme une zone solide dans la masse réfractaire poreuse. Les caractéristiques principales de la structure selon l'invention comprennent une partie couvercle pourvue de résistances électriques, ladite partie permettant de maintenir le métal à l'état fondu et le chenal de coulée suffisamment chaud tout au long du processus, et un brûleur à gaz empêchant le refroidissement du métal sous l'effet du gaz s'écoulant dans le canal du chenal de coulée.

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