Dehumidified air generator employing adsorbent

Details Dehumidified air generator employing adsorbent Dehumidified air generator employing adsorbent

1989-05-02

1990-11-20

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55390, 55 33, B01D 5306

Patent

active

049716115

ABSTRACT:
A dehumidified air generator has a plurality of rotatable absorption columns filled with adsorbents for generating dehumidified air which will be used to dry a plastic material or the like. A directional control valve for switching between adsorbing and regenerating steps in the adsorption columns comprises a slide valve mechanism composed of a stator and a rotor slidably held against the stator. The rotor has a plurality of openings defined therein and communicating with inlet/outlet ports defined in side walls of the adsorption columns through tubes. By rotating the rotor in synchronism with the adsorption columns, the adsorbing and regenerating steps are switched to dehumidify, with the adsorbents, humid air introduced into the adsorption columns through the directional control valve and also to desorb the adsorbents for regenerating them.

REFERENCES:
patent: 3487608 (1970-01-01), Graff
patent: 4038054 (1972-07-01), Graff
patent: 4307773 (1981-12-01), Smith
patent: 4522726 (1985-06-01), Berry et al.

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