Device for chill-drying a gas

Details Device for chill-drying a gas Device for chill-drying a gas

1974-07-15

1977-06-07

Davis, Jr., Albert W.

Heat exchange

With first fluid holder or collector open to second fluid

Separate external discharge port for each fluid

62 90, 62 93, 62317, F28B 100

Patent

active

040277291

ABSTRACT:
A device for chill-drying a gas comprising a gas/gas heat-exchanger and a gas/cooling medium heat-exchanger located within a pressure vessel such that the heat-exchangers define channels between themselves and the walls of the vessel, which channels connect a gas outlet at the bottom of the gas/gas heat-exchanger with a gas inlet at the top of the gas/cooling medium heat-exchanger. The pressure vessel is cylindrical and the gas/gas heat-exchanger has a curved surface lying against the inner surface of the pressure vessel, and a planar surface abutting against the gas/cooling medium heat exchanger which has a rectangular cross-section and its corners remote from the gas/gas heat exchanger abutting against the walls of the pressure vessel. A filter is positioned beneath the gas/cooling medium and pre-filters are located in the said channels, the arrangement being such that the gas to be treated flows through the gas/gas heat-exchanger via a plurality of tubes, through the channels, through the gas/cooling medium heat-exchanger, through the filter, and finally back through the gas/gas heat-exchanger via the interstices between the said tubes.

REFERENCES:
patent: 2790507 (1957-04-01), Hankison
patent: 3453809 (1969-07-01), Henderson
patent: 3541807 (1970-11-01), Henderson
patent: 3797565 (1974-03-01), Fernandes
patent: 3899023 (1975-08-01), Zander et al.

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