Methanol to hydrocarbon process heat exchange tube and heat exchange tube type external heat remover
The utility model provides a methanol to hydrocarbon process heat exchange tube, and aims at solving the problem that a catalyst is highly damaged due to poor protection in the heat exchange of the existing heat exchange tube. The heat exchange tube comprises a base tube 1, and fins 2 which are leng...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model provides a methanol to hydrocarbon process heat exchange tube, and aims at solving the problem that a catalyst is highly damaged due to poor protection in the heat exchange of the existing heat exchange tube. The heat exchange tube comprises a base tube 1, and fins 2 which are lengthways arranged on the outer surface of the base tube 1 and vertical to the outer surface of the base tube 1; the fins 2 being 25 to 35mm in height are welded on the outer surface of the base tube 1; edge corners and edge sides of the fins are arranged to be smooth rounded corners. According to the methanol to hydrocarbon process heat exchange tube type external heat remover, built-in finned tubes for heat exchange are the heat exchange tubes of the structure above. |
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