Gas and liquid contact apparatus – With external supply or removal of heat – Heat exchange means at or downstream of contact zone
Patent
1979-08-06
1984-03-06
Chiesa, Richard L.
Gas and liquid contact apparatus
With external supply or removal of heat
Heat exchange means at or downstream of contact zone
165DIG1, 261112, 261DIG11, 261DIG77, B01F 304
Patent
active
044353391
ABSTRACT:
The invention relates to a low pressure heat exchanger for use in an environment where metal parts would be subject to corrosion or scaling comprising a plurality of vertically disposed mutually parallel membranes acting as heat transfer surfaces and including fluid distributors and dispensing nozzles disposed near the top edge of the membranes so as to distribute hot liquid as a falling film down the membrane surface. From a second distributor set, a second liquid may be passed down the opposite surface of each membrane to provide liquid-to-liquid heat transfer. A draft producing device is employed to either allow a gas to flow directly over the heat transfer membrane or over the second liquid as it falls down the membrane surface to obtain a liquid-to-gas heat transfer or evaporative cooling of the second liquid.
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Chiesa Richard L.
Hanes Richard W.
Tower Systems Inc.
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