Method of cleaning an inner surface of a heat transfer tube in a heat-exchanger
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United States of America Patent
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Jun 30, 1987
Grant Date -
N/A
app pub date -
Mar 26, 1986
filing date -
Mar 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of cleaning an inner surface of a heat transfer tube for removing deposited scale, such as fur and rust therefrom is disclosed, in which a cleaning brush element with a string is flowed at its inverted state through the tube together with a cooling water, and thereafter the string is pulled for withdrawing the brush element against the flowing movement of the cooling water while contacting a brush of the brush element with the inner surface of the heat transfer tube.
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