Method of heating casting mold

Details Method of heating casting mold Method of heating casting mold

B - Operations, Transporting

22

C

B22C 9/02 (2006.01) B22C 9/12 (2006.01) B22D 27/04 (2006.01)

Patent

CA 2492579

A thermally efficient method for the heating a gas permeable wall of a bonded refractory mold wherein the mold wall (10) defines a mold cavity (10a) is heated by the transfer of heat from hot gas flowing inside of the mold cavity (10a) to the mold wall (10). Hot gas is flowed from a hot gas source (30) outside the mold through the mold cavity (10a) and gas permeable mold wall (10) to a lower pressure region exterior of the mold (10) to control temperature of an interior surface of the mold wall (10).

L'invention concerne un procédé thermiquement efficace de chauffage d'une paroi perméable au gaz d'un moule réfractaire lié, la paroi du moule (10) délimitant une cavité du moule (10a) est chauffée par le transfert thermique provenant de l'écoulement d'un gaz chaud à l'intérieur de la cavité du moule (10a) vers la paroi du moule (10). Le gaz chaud s'écoule d'une source de gaz chaud (30) à l'extérieur du moule vers la cavité du moule (10a) et de la paroi du moule perméable au gaz (10) vers une zone à faible pression à l'extérieur du moule (10) afin de commander la température d'une surface intérieure de la paroi du moule (10).

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