Cleaning of heat exchangers composed of tubes
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United States of America Patent
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Aug 18, 1981
Grant Date -
N/A
app pub date -
Sep 28, 1979
filing date -
Oct 11, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a heat exchanger comprising tubes to be cleaned by the injection of compressible balls into the fluid upstream of the tubes, grids are provided downstream of the tubes to enable the balls to be separated from the flow of fluid and reinjected upstream. At least certain of the grids are fixed, their cleaning being carried out by movable combs, the teeth of which clean out the spaces between the bars of the grids.
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