Precooler/chiller/reheater heat exchanger system for...

Details Precooler/chiller/reheater heat exchanger system for... Precooler/chiller/reheater heat exchanger system for...

2006-10-17

2006-10-17

Jones, Melvin (Department: 3744)

Refrigeration

Processes

Circulating external gas

C062S513000

Reexamination Certificate

active

07121102

ABSTRACT:
A precooler/chiller/reheater (PCR) system comprising a precooler/reheater counterflow heat exchanger and a chiller counterflow heat exchanger separated by a moisture removal section. Refrigerant is flashed through a perforated distribution manifold along the plates of the chiller. Warm, moist air is precooled in the precooler/reheater heat exchanger. A manifold conveys the precooled air to the chiller heat exchanger. Chilled air exits the chiller at a low point in the system. Moisture condensed in the precooler and chiller drains into a sump that also acts to convey air into the moisture removal section. Water droplets are stripped from the airflow and drain downwards into the sump. The chilled and dried air is conveyed to the second side of the precooler/reheater heat exchanger and passes downward in counterflow to the direction of air entering the system on the first side of the heat exchanger, then exits the system ready for use as reheated, dried air.

REFERENCES:
patent: 2632315 (1953-03-01), Coblentz
patent: 3585808 (1971-06-01), Huffman
patent: 4235081 (1980-11-01), Dowling
patent: 4237696 (1980-12-01), Coblentz
patent: 4359879 (1982-11-01), Wright
patent: 5228504 (1993-07-01), Mantegazza
patent: 5275233 (1994-01-01), Little
patent: 5845505 (1998-12-01), Galus et al.

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