Method and device for evaporating liquid
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United States of America Patent
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Jun 24, 2003
Grant Date -
N/A
app pub date -
Sep 14, 2001
filing date -
Feb 4, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid evaporation method and apparatus wherein the contamination of the heat transfer surfaces is avoided by using a special circulating fluid. The liquid to be evaporated is heated in direct contact with the circulating fluid and conveyed to a vapor separation tank. In the evaporator according to the invention, heat transfer surface contamination may be limited by mixing the liquid to be evaporated with the circulating fluid only after the heat exchanger so that the heat surface contaminating liquid to be evaporated does not make direct contact with the heat surface.
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