Sand core removal and casting heat treatment

Details Sand core removal and casting heat treatment Sand core removal and casting heat treatment

B - Operations, Transporting

22

D

B22D 29/00 (2006.01) C21D 1/53 (2006.01) C21D 9/00 (2006.01) C22F 1/04 (2006.01)

Patent

CA 2270625

A process for removing sand cores from metal castings (17) in a continuous or semi-continuous procedure utilizes a fluidized bed furnace (7). The thermally decomposed sand cores are carried away with the fluidized solids (6) of the furnace bed.

L'invention concerne un procédé pour éliminer des noyaux en sable de pièces coulées en métal (17), selon une technique en continu ou en semi-continu, au moyen d'un four à lit fluidisé (7). Les noyaux en sable décomposés thermiquement sont entraînés avec les substances solides fluidisées (6) du lit fluidisé du four.

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