Coil-Wound Heat Exchangers
Key words:
engineering case
Classification:
Heat Exchanger
E-mail:
Detailed
Coil-Wound Heat Exchangers are classified as wall-type tubular heat exchangers. They combine the high-pressure resistance of conventional shell-and-tube exchangers with the advantages of true counter-current flow, multi- stream heat exchange capability, small terminal temperature differences, compact layout, high heat-transfer efficiency, strong thermal compensation capacity, and easy maintenance. These characteristics make them
particularly suitable for high-pressure gas heat-exchange applications requiring high efficiency.
The main technical features are as follows:
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1.Designed for high pressure and multi-stream heat
transfer, enabling complex process media to be handled
within a single exchanger.
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2.Compact structure with a large heat-transfer area per unit
volume, providing significant thermal performance within a
small
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3.Excellent thermal compensation capability, as the wound
tubes can partially self-adjust thermal expansion, improving
reliability under fluctuating temperatures.
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4.Flexible configuration of winding layers and optimized
distribution of tube-side and shell-side flow areas, resulting
in controlled pressure drop and improved flow matching.
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5.Staggered spiral winding pattern that enhances
turbulence, improving heat transfer performance and
achieving high overall heat-transfer coefficients.
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6.Optional glycol injection through multi-nozzle atomizers,
effectively preventing freezing or blockage during low
temperature service.
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