Vapor pressure enhancement (VPE) direct water chilling-heating p

Details Vapor pressure enhancement (VPE) direct water chilling-heating p Vapor pressure enhancement (VPE) direct water chilling-heating p

1995-07-17

1996-10-22

Capossela, Ronald C.

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62123, 62937, B01D 904

Patent

active

055665527

ABSTRACT:
A Vapor Pressure Enhancement Direct Water Chiller, designated as a VPE chiller, a Vapor Pressure Enhancement Direct Water Heater, designated as a VPE heater, and a dual purpose integrated Vapor Pressure Enhancement Direct Water Chiller/Heater, designated as a VPE chiller/heater are introduced. A VPE-chiller comprises multiple pressure processing zones and is based on absorption vapor pressure enhancement operation. It comprises multitude of processing zones, Z-1, Z-2, . . . , Z-N that are operated under pressure P.sub.1, P.sub.2, . . . , P.sub.N. Each pressure zone (Z-n) contains a water evaporation zone (Z-En), a vapor pressure enhancement zone (Z-VPEn) and a second vapor condensing zone (Z-Xn). There are a set of rotating discs to provide water evaporation surfaces in the evaporation zone; there are flat heat conductive tubes for forming falling films of absorbing solution and falling films of water in the vapor pressure enhancement zone; there are condenser tubes in the condensation zone. A first vapor is absorbed and second vapor is generated in the enhancement zone; the second vapor is condensed in the condensing zone. Outdoor air, cooling water or air/water combination is used to remove the heat of condensation. The construction and operations of a VPE heater is similar to that of a VPE chiller.

REFERENCES:
patent: 4810274 (1989-03-01), Cheng et al.
patent: 5061306 (1991-10-01), Cheng

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