Heat transfer tube and cracking furnace using the heat transfer tube
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United States of America Patent
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Jun 7, 2016
Grant Date -
May 8, 2014
app pub date -
Oct 29, 2013
filing date -
Oct 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a heat transfer tube and a cracking furnace using the heat transfer tube. The heat transfer tube comprises a twisted baffle arranged in an inner wall of the tube, said twisted baffle extending spirally along an axial direction of the heat transfer tube. The twisted baffle defines a closed circle viewed from an end of the heat transfer tube. Along the trajectory of the circle a casing is arranged, which is fixedly connected to a radial inner end of the twisted baffle. The twisted baffle is provided with a plurality of holes. The heat transfer tube according to the present disclosure has a good heat transfer effect and small pressure loss.
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