FIELD: heat engineering.
SUBSTANCE: invention relates to the field of heat engineering and can be used in a heat transfer tube and a cracking furnace, comprising such a heat transfer tube. 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. 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. Twisted baffle is provided with a plurality of holes.
EFFECT: heat transfer tube according to the present invention has a good heat transfer effect and a low pressure loss.
10 cl, 8 dwg
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