Internal heat exchanger/mixer for process heaters
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 18, 2009
app pub date -
Dec 18, 2007
filing date -
Dec 18, 2007
priority date (Note) -
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Abstract
A heat exchanger is presented that provides for mixing of a process fluid to prevent localized spikes in temperatures. The heat exchanger includes a mixing chamber within the exchanger, where a first process fluid passes from process tubes after being partially heated. The heat exchanger further includes an intermediate shell for passing a second process fluid into the fired heater and for exchanging heat with the first process fluid. The fluid flows from the mixing chamber to other process tubes for further heating.
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