Apparatus for drying a moist material by air heated by a heat pu

Details Apparatus for drying a moist material by air heated by a heat pu Apparatus for drying a moist material by air heated by a heat pu

1985-07-09

1987-02-24

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 35, 34 77, 34 86, 34 54, F26B 906

Patent

active

046446664

ABSTRACT:
In the method for drying moist agricultural products, the relative humidity of fresh air inducted from the environment is reduced by heating it so that the fresh air can take up moisture from the products to be dried. A portion of the thermal energy contained in the moist exhaust air is extracted by the evaporator of a heat pump before the moist exhaust air exits to the environment. At temperature below 10.degree. C. a portion of the moist exhaust air is mixed with the cold fresh air before being heated by the condenser of the heat pump.

REFERENCES:
patent: 1119011 (1914-12-01), Grosvenor
patent: 4205456 (1980-06-01), Ayer et al.
patent: 4337584 (1982-07-01), Johnson

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