Cooler-drier for castings and moulding sand

Details Cooler-drier for castings and moulding sand Cooler-drier for castings and moulding sand

1974-06-28

1976-05-25

Shore, Ronald J.

Metal founding

Miscellaneous, apparatus

164 4, 164 5, 164154, B22C 508

Patent

active

039586235

ABSTRACT:
Apparatus is disclosed which functions to adjust the moisture content of casting sand as it is being recovered, so that the sand may be re-used without significant or further adjustment of its water content. The apparatus includes a cooler-drier which receives hot castings and sand and discharges the sand and castings separately. A water spray impinges upon the sand and castings as they are moved through the cooler-drier and a temperature sensor which senses the temperature of the sand/castings mixture at the inlet controls the water spray so that the discharged sand possesses a uniform and selected moisture content.

REFERENCES:
patent: 2277953 (1942-03-01), Christensen
patent: 3358380 (1967-12-01), Murphy
patent: 3388478 (1968-06-01), Vissers

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