Ice preventing apparatus and method for gas and liquid contact means of an atmospheric cooling tower
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United States of America Patent
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Apr 19, 1983
Grant Date -
N/A
app pub date -
Feb 16, 1982
filing date -
Feb 16, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The process avoids, in a cold period, the formation of ice inside a cooler having lower air inlets and employing atmospheric air and a freezable liquid stream. The process comprises providing the air inlet apertures with vertical metal trellises which extend in a part of the apertures from the top of the latter downwardly. In cold periods, cold water is caused to stream along the trellises so as to form, under controlled conditions, curtains of ice on the trellises which partly close the apertures. When the temperature of the air, and consequently the temperature of the water cooled inside the cooler, resumes a sufficiently high temperature to avoid the formation of ice inside the cooler, the curtains of ice formed on the trellises are melted.
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