Adjustment of heat transfer in continuous casting molds,...

Details Adjustment of heat transfer in continuous casting molds,... Adjustment of heat transfer in continuous casting molds,...

B - Operations, Transporting

22

D

B22D 11/055 (2006.01) B22D 11/124 (2006.01)

Patent

CA 2483784

The invention relates to a mould for the continuous casting of molten metals, in particular steel, comprising cooling channels (1), such as cooling grooves, cooling slits or cooling drillings in the side of the mould (2) away from the melt contact surface. According to the invention, the heat transfer in the mould can be improved, whereby the geometric arrangement of the heat transfer planar surfaces of a cooling channel (1) or a group of cooling channels is adjusted in form, cross-sectional area, circumference, boundary surface qualities, orientation with respect to contact surfaces, arrangement and/or arrangement density with respect to the contact surfaces for the local formation of thermal flux density and/or temperature of the contact surfaces (18) during casting operation and in particular in the region of the meniscus (11).

L'invention concerne une coquille pour la coulée continue de métaux en fusion, en particulier d'acier, laquelle coquille comporte des canaux de refroidissement (1) tels que des rainures de refroidissement, des fentes de refroidissement ou des trous de refroidissement formés dans la face (2) de la coquille opposée à la surface de contact avec le métal fondu. Le transfert de chaleur de la coquille est amélioré, du fait que la structure géométrique des zones superficielles de transfert de chaleur d'un canal de refroidissement (1) ou d'un groupe de canaux de refroidissement, notamment leur forme, surface transversale, périmètre, qualité d'interface, orientation par rapport à la surface de contact, agencement et/ou densité par rapport à ladite surface de contact, est adaptée à la densité de flux de chaleur et/ou température locales présentées par la surface de contact (18) pendant la coulée, et en particulier au niveau de la surface du bain (11).

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