Casting sand heating apparatus

Details Casting sand heating apparatus Casting sand heating apparatus

2007-07-10

2007-07-10

Wilson, Gregory (Department: 3749)

Heating

With heating gas conveying, agitating, scattering or...

C432S095000, C432S214000

Reexamination Certificate

active

10517091

ABSTRACT:
This invention relates to a casting sand heating apparatus. The purpose of this invention is to provide a casting sand heating apparatus which can heat sand up to 300° C. or higher with high energy efficiency, lower capital investment and lower operating costs. This apparatus is comprised of a furnace body, sand inlet, smoke discharge and dust removing port, hearth and sand outlet. The sand inlet is arranged at the top of the furnace body, the combustion mouth is arranged in the lower part of the furnace body. Additionally, the heat exchange apparatus is arranged in the middle part of the furnace body. This invention can be used for the heating and baking of fresh and used casting sand.

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