Heat exchange – Regenerator – Checker brick structure
Patent
1981-03-05
1983-02-15
Tapolcai, William E.
Heat exchange
Regenerator
Checker brick structure
165139, 165DIG12, F24H 100
Patent
active
043735720
ABSTRACT:
Waste water of above ambient temperature in a commercial laundry is directed through a self-cleaning plate and frame heat exchanger to heat incoming fresh water. Some of the fresh water heated to a first temperature is directed to a cold water storage tank to raise the water therein above ambient temperature which results in substantially lessened downstream requirements for heat input with commensurate cost reductions. The remainder of the fresh water is heated to a higher second temperature and is directed to a hot water storage tank. A system of valves regulates the temperature of the water flowing into each of the hot and cold water storage tanks to maintain a preset temperature in each of the storage tanks.
REFERENCES:
patent: 337716 (1886-03-01), Todd
patent: 2817498 (1957-12-01), Miller
patent: 2843367 (1958-07-01), Bogus et al.
patent: 3480077 (1969-11-01), Stevens
patent: 3986345 (1976-10-01), Pilz et al.
patent: 4150787 (1979-04-01), Braathen
patent: 4176788 (1979-12-01), Holman
patent: 4304292 (1981-12-01), Cardone et al.
Tapolcai William E.
Thermal Engineering of Arizona, Inc.
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