Gas separation: apparatus – Solid sorbent apparatus – With control means responsive to sensed condition
Patent
1998-01-22
1999-11-09
Spitzer, Robert
Gas separation: apparatus
Solid sorbent apparatus
With control means responsive to sensed condition
96112, 96115, 96124, 96128, 96130, 96144, 96146, B01D 5304, B01D 5326
Patent
active
059806150
ABSTRACT:
A compact desiccant-operated air dryer includes air directing housings, each housing including a separate desiccant bed. Each housing includes an associated desiccant bed to provide dehumidification to process air flow during a dehumidification phase of the housing; during operation, at least one desiccant housing will be in the dehumidification phase so as to provide continuous dehumidification. The associated desiccant bed for a desiccant housing is reactivated during the reactivation phase of the desiccant housing. Each desiccant housing extends between two external chambers at each end; a process inlet chamber and reactivation outlet chamber at one end, and a process outlet chamber and a reactivation inlet chamber at the other end. Each housing is connected to the two chambers at each end by a distinct associated inlet or outlet. Discs mounted on each end of a rotatable shaft extending longitudinally from one end to the other, are configured to, (1) when a desiccant housing is in a dehumidification phase, close the inlet and outlet to the respective reactivation inlet and outlet chambers, while opening the inlet and outlet to the respective process inlet and outlet chambers; and, (2) when a desiccant housing is in a reactivation phase, open the inlet and outlet to the respective reactivation inlet and outlet chambers, while closing the inlet and outlet to the respective process inlet and outlet chambers.
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Barrigar Robert H.
Spitzer Robert
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