Heat exchanger bypass system for an absorption refrigeration sys

Details Heat exchanger bypass system for an absorption refrigeration sys Heat exchanger bypass system for an absorption refrigeration sys

1983-02-22

1984-12-04

King, Lloyd L.

Refrigeration

Refrigeration producer

Sorbent type

62489, F25B 1500

Patent

active

044856385

ABSTRACT:
A heat exchanger bypass system for an absorption refrigeration system is disclosed. The bypass system operates to pass strong solution from the generator around the heat exchanger to the absorber of the absorption refrigeration system when strong solution builds up in the generator above a selected level indicative of solidification of strong solution in the heat exchanger or other such blockage. The bypass system includes a bypass line with a gooseneck located in the generator for controlling flow of strong solution into the bypass line and for preventing refrigerant vapor in the generator from entering the bypass line during normal operation of the refrigeration system. Also, the bypass line includes a trap section filled with liquid for providing a barrier to maintain the normal pressure difference between the generator and the absorber even when the gooseneck of the bypass line is exposed to refrigerant vapor in the generator. Strong solution, which may accumulate in the trap section of the bypass line, is diluted, to prevent solidification, by supplying weak solution to the trap section from a purge system for the absorption refrigeration system.

REFERENCES:
patent: 3014349 (1961-12-01), Leonard, Jr.
patent: 3206947 (1965-09-01), Bourne et al.
patent: 3552142 (1971-01-01), Schlichtig
patent: 4314668 (1982-02-01), Jansen et al.
patent: 4364240 (1982-12-01), Schulz et al.

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