Heat exchange – With adjustor for heat – or exchange material – flow – Branched flow
Patent
1996-10-29
1998-07-07
Flanigan, Allen J.
Heat exchange
With adjustor for heat, or exchange material, flow
Branched flow
165900, 165100, 261153, 2611122, 261DIG77, F28F 2702, B01F 304
Patent
active
057754098
ABSTRACT:
The present invention relates to a cross flow type cooling tower with which it is possible to prevent emission of white vapor in cold weather. In order to accomplish the above object, the cooling tower of the present invention is constructed of heat exchange units each of which having plates arranged vertically and parallel from each other so as to form passages therebetween, which are separated into wet air passages and switchable air passages capable of switching from dry air passages and wet air passages; a water bath divided into upper and lower baths by a partition plate with holes, the upper bath is provided with spray nozzles for spraying water into the switchable passages, the lower bath provided with spray nozzles for spraying water into the wet passages.
When the weather is warm, hot water is supplied into the upper bath, and both the upper and lower baths are filled with water and cooling is performed in every passage. However, when the weather is cold, then the water is supplied to the lower bath, and only the wet passages are used for heat dissipation and the switchable passages are uses to produce dry air to prevent generation of white vapor by mixing the dry air with the moist air.
REFERENCES:
patent: 3997635 (1976-12-01), Hallgren
patent: 4252752 (1981-02-01), Flandroy
patent: 4337216 (1982-06-01), Korsell
patent: 4427607 (1984-01-01), Korsell
patent: 4964977 (1990-10-01), Komiya et al.
patent: 5505883 (1996-04-01), Kato
Goto Osamu
Kimura Koji
Flanigan Allen J.
Ishikawajima-Harima Heavy Industries Co. Ltd.
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