Method for the heating of a fluid and apparatus for carrying out the method
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United States of America Patent
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Aug 9, 1988
Grant Date -
N/A
app pub date -
Apr 3, 1986
filing date -
Apr 4, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process and apparatus for heating a liquid in at least one vertically disposed externally heated tube on the inner surface of which the liquid flows in the form of a trickling film, characterized in that the internal space of the tube is kept under a gas pressure which is higher than the vapor pressure of the liquid in the trickling film.
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