Heat pump closed loop drying

Details Heat pump closed loop drying Heat pump closed loop drying

1984-10-05

1986-08-05

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 86, 34133, F26B 2108

Patent

active

046034897

ABSTRACT:
A dryer includes a rotating drum having an inlet and an outlet. A blower withdraws air from the outlet. A heat pump has an evaporator and condenser interconnected by a compressor and an expansion valve. The outlet of the condenser is connected to the inlet of the rotating drum. The water collection tray drains into a sump having a sump pump. In a closed loop form the outlet of the rotating drum is coupled to the inlet of the evaporator and is thermally coupled to a wet air heat exchanger.

REFERENCES:
patent: 2627669 (1953-02-01), Candor
patent: 2676418 (1954-04-01), Shewmon
patent: 3064358 (1962-11-01), Giuffre
patent: 3739487 (1973-06-01), Clark

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