Heat exchange – With cleaning means for heat exchanger
Patent
1978-07-03
1981-05-26
Marcus, Stephen
Heat exchange
With cleaning means for heat exchanger
15 35, 1510406R, 134 8, 134 22C, F28G 102
Patent
active
042692644
ABSTRACT:
A heat exchanger of the steam condenser type or the like includes a plurality of bundles of tubes through which cooling water is pumped. The downstream ends of the tubes open into a chamber and these ends have basket-brush assemblies thereon. A water back-flow cover traverses progressively across the tube ends, with the cover being fluidically connected to a pump. The pump inlet receives water from the chamber and pumps it back through the tubes at a high pressure, carrying the cleaning brushes with it. When the said cover has passed particular tubes, the brushes in the latter are reversed in direction and carried downstream and back to their original position. The pump may be disposed to suck the water upstream through the tubes, or may be disposed to supply water from upstream of the condenser to the downstream tube ends.
REFERENCES:
patent: 3123132 (1964-03-01), Hedgecock
patent: 3169109 (1965-02-01), Hirs
patent: 3259179 (1966-07-01), Leach
patent: 3319710 (1967-05-01), Heeren
patent: 4025362 (1977-05-01), Frauenfeld
Marcus Stephen
Water Services of America, Inc.
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