Refrigeration – Atmosphere and sorbent contacting type
Patent
1985-08-05
1987-01-13
Bennett, Henry
Refrigeration
Atmosphere and sorbent contacting type
622351, 623245, 62236, 62 94, F25D 2100
Patent
active
046354468
ABSTRACT:
Apparatus for dehumidifying air is disclosed. The apparatus comprises a receiver for a hygroscopic liquid, a regenerator, a dehumidifier, a heat pump and means for circulating four different streams of the hygroscopic liquid. The heat pump has an energy input section, a heat collecting section and a heat rejecting section, and is operable, when the energy input section is energized, to transfer heat from the heat collecting section at a given temperature to the heat rejection section at a higher temperature. The apparatus has means for circulating the hydroscopic liquid: (1) in a first stream from the receiver into heat transfer relationship with the heat rejection section of the heat pump and then to the regenerator, where it is sprayed; (2) in a second stream from the regenerator to the receiver; (3) in a third steam from the receiver to the dehumidifier, where it is sprayed; and (4) in a fourth steam from the dehumidifier to the receiver. The apparatus also includes means for transferring heat of sorption therefrom, means for circulating air to be dehumidified through the dehumidifier, in contact with hygroscopic liquid, means for removing from the regenerator water vaporized from hygroscopic liquid therein, and means for transferring heat from the second stream of hygroscopic liquid to the heat absorbing section of the heat pump.
REFERENCES:
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patent: 2690656 (1954-10-01), Cummings
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patent: 4197713 (1980-04-01), Bulang
patent: 4205529 (1980-06-01), Ko
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patent: 4293092 (1981-10-01), Hatz et al.
Bennett Henry
Camp Dresser & McKee
Purdue John C.
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