Drying and gas or vapor contact with solids – Apparatus – Gravity flow type
Patent
1981-10-21
1984-05-01
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
Gravity flow type
34172, 222561, 414287, 414288, F26B 1714
Patent
active
044452829
ABSTRACT:
The invention relates to a cooler for granular products, essentially consisting of a cooling reservoir, a product inlet at the top, and two grids for the discharge of granules, which grids are movable relatively to each other. In the cooling reservoir a current of air is generated by means of a blower, the cooling air being drawn in through the granule discharge grid and being passed through the cooling reservoir countercurrently relatively to the product to be cooled. The air inlet for the blower is disposed in the top part of the cooling reservoir adjacent to the granule inlet lock. Any fines present in the granular product are exhaused direct by the blower. For this purpose a controllable opening is provided in the suction tube of the blower for drawing in secondary air. The product discharge grid is of such construction that in the closed condition it is permeable to air without permitting the product to be cooled to flow out of the cooling reservoir.
REFERENCES:
patent: 2148946 (1939-02-01), Hubmann et al.
patent: 3112188 (1963-11-01), Zehnder
patent: 3833137 (1974-09-01), Mathews
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