Method of pre-heating boiler feed water
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United States of America Patent
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-
Dec 15, 1981
Grant Date -
N/A
app pub date -
Aug 8, 1980
filing date -
Aug 23, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of pre-heating feed water for boilers is disclosed which utilizes the exchange of heat between the tube side of a heat-exchanger which contains de-salinated and de-ionized water and the shell side which contains hydrocarbon vapors boiling in the range of 90.degree. to 150.degree. C. The tubes are made of carbon steel with their outer surfaces aluminized.
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