Gas concentrator

Details Gas concentrator Gas concentrator

1998-10-15

2000-12-26

Smith, Duane S.

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

96126, 96150, B01D 5306

Patent

active

061652547

ABSTRACT:
A gas concentration device has a gas adsorbing element and a heat exchanger. The gas adsorbing element is divided into an adsorbing zone, and a desorbing zone. The heat exchanger has first and second flow channels. The first flow channels are separated from the second flow channels. The first flow channels receive foggy air having minute particles of water floating therein to cool process air flowing through the second flow channels via heat of vaporization consumed to evaporate the minute particles of water floating in the foggy air of the first flow channels. The second flow channels may be connected to the adsorbing zone of the gas adsorbing element such that process air cooled in the second flow channels is directed to the absorbing zone of the adsorbing element. The gas adsorbing element may further be divided into a cooling zone, such that the gas adsorbing element has absorbing, desorbing and cooling zones. In this case, the cooling and adsorbing zones of the gas adsorbing element may be connected, such that after process air passes through the adsorbing zone, a portion of the process air is directed through the cooling zone. The gas adsorbing element may be formed of a rotor rotatably fitted in a casing, such that as the gas adsorbing element rotates, the adsorbing, desorbing and cooling zones of the gas adsorbing element dynamically change and the rotor repeatedly rotates through the adsorbing section, followed by the desorbing section followed by the cooling section.

REFERENCES:
patent: 3708956 (1973-01-01), Norback
patent: 4377400 (1983-03-01), Okamoto et al.
patent: 4484938 (1984-11-01), Okamoto et al.
patent: 4582129 (1986-04-01), Yano et al.
patent: 4926618 (1990-05-01), Ratliff
patent: 5584916 (1996-12-01), Yamashita et al.

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