Heat exchanger apparatus for converting a shell-side liquid into a vapor
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United States of America Patent
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Apr 4, 2017
Grant Date -
Jan 1, 2015
app pub date -
Sep 16, 2014
filing date -
May 6, 2009
priority date (Note) -
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Abstract
In one aspect, the invention can be a heat exchanger comprising: a shell having an inner surface forming a cavity, the shell comprising an inlet for introducing the shell-side liquid into the cavity and an outlet for allowing the vapor to exit the cavity; a tube bundle comprising a plurality of tubes for carrying a tube-side fluid located in the cavity and having a longitudinal axis; a shroud circumferentially surrounding the tube bundle and positioned between the tube bundle and the inner surface of the shell so that an annular space exists between the shroud and the inner surface; an opening in a bottom portion of the shroud that forms a passageway between the annular space and the tube bundle; and an opening in a top portion of the shroud that forms a passageway between the annular space and the tube bundle.
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