Drying and gas or vapor contact with solids – Apparatus – With waste gas heat and/or power conservers
Patent
1987-04-08
1988-06-28
Tapolcai, William E.
Drying and gas or vapor contact with solids
Apparatus
With waste gas heat and/or power conservers
34183, 122 26, F26B 1900
Patent
active
047530162
ABSTRACT:
A condensation process and apparatus for water vapor under vacuum which is taken preferably from a drying apparatus. The vacuum is produced by a water ring vacuum pump through which water flows, and the water vapor in the liquid ring vacuum pump is condensed into the liquid. The water is carried in a water circuit with at least one heat exchanger yielding heat from the water for heating purposes. Before flowing into the water ring vacuum pump, the water carried in the circuit is passed through a heat exchanger transferring waste heat from the pump and the pump drive to the water. Heat losses are prevented by a casing of thermal insulation surrounding the pump as well as the heat exchanger.
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patent: 3605273 (1971-09-01), Andersen
patent: 4276701 (1981-07-01), Takacs et al.
patent: 4290269 (1981-09-01), Hedstrom et al.
patent: 4331085 (1982-05-01), Tyer et al.
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