Tubular condensers having tubes with external enhancements
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United States of America Patent
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Mar 29, 2016
Grant Date -
Apr 17, 2014
app pub date -
Dec 19, 2013
filing date -
Apr 30, 2009
priority date (Note) -
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Abstract
Improvements in tubes, which increase the heat exchange capacity of tubular heat exchangers using the tubes, are described. These improvements involve the use of one or more external surface enhancements, optionally combined with an internal enhancement and/or differing tube geometries. These improvements apply, for example, to internal condensers, including those in which the tube bundles are oriented vertically, in vapor-liquid contacting apparatuses such as distillation columns.
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