Triple-effect absorption cycle with condensate-to-solution sensi

Details Triple-effect absorption cycle with condensate-to-solution sensi Triple-effect absorption cycle with condensate-to-solution sensi

1996-01-11

1997-08-05

Doerrler, William

Refrigeration

Processes

Evaporation induced by sorption

63476, 63486, F25B 1500

Patent

active

056531168

ABSTRACT:
A triple-effect cycle is disclosed which avoids the two primary limitations of currently known triple-effect cycles: super-atmospheric pressures and/or low pressure absorbers that operate without mass transfer enhancers. The cycle is comprised of two hermetic loops--one a conventional LiBr double-effect loop, and the other a single-effect loop which overlaps the high pressure portion of the double-effect loop, and exchanges heat with it at three locations. Referring to FIG. 3, the latent heat exchanges are with absorber 302, condenser 304, and evaporator 305 of the single-effect loop. Sensible heat losses are reduced by incorporating inter-loop condensate-to-solution sensible heat exchanger 314. The inter-loop CSSHX also applies to other triple-effect cycles.

REFERENCES:
patent: 3299667 (1967-01-01), Aronson et al.
patent: 3550394 (1970-12-01), Peckham
patent: 4542628 (1985-09-01), Sarkisian et al.
patent: 4702085 (1987-10-01), Gockel et al.
patent: 4827728 (1989-05-01), DeVault et al.
patent: 5467614 (1995-11-01), DeVault

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