Handling and cooling foundry sand

Details Handling and cooling foundry sand Handling and cooling foundry sand

1977-05-09

1978-08-08

Coe, Philip R.

Agitating

Mortar mixer type

Methods

198580, 198952, 366 7, 366 10, 366 27, B22C 516

Patent

active

041061128

ABSTRACT:
A process and an apparatus for cooling and handling sand in which hot used sand is delivered to a mixer and mixed with cooler sand. The mixed sand is discharged from the mixer for circulation on conveyor means for further cooling and the cooled sand is separated into a first fraction for discharge to successive milling and moulding stages and a second fraction for return to the mixer to effect sand mixing with the hot used sand. Water may be added to the mixed sand in the mixer to adjust the moisture content and to increase cooling.

REFERENCES:
patent: 2552930 (1951-05-01), Booth et al.
patent: 3110421 (1963-11-01), Matthias
patent: 3111304 (1963-11-01), Bridger et al.
patent: 3182969 (1965-05-01), Rupp

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