U-tube bundle heat exchange heat
1) U-type heat exchanger belonging to a calandria heat exchanger works both heat transfer from the high end to the low temperature section, U-tube heat exchanger tube of each tube is bent into a U shape, both ends of the tube are mounted on both sides of the same fixed tube plate, and the separator head into two compartments, each tube can be automatically shrink, independent of the other tube and the housing, even when the housing between the tube when using a large temperature difference, the actual production of circulating cooling water temperature gas then conventional U-tube heat exchanger, heat exchanger tube can corrode or leak after only for the core, but not clean.
2) floating head heat exchanger structure comprising a cylindrical outer side of the bonnet flange, tube sheet floating head, hook and loop, floating head cover, head cover and an outer wire holes, steel and other components, wherein: the outer side of the head cover method Lan inner side surface of the concave or ladder sealing surface and near the outer sealing surface drilling and welding wire sets or more screws are provided cloth, floating head office canceled hook and loop and related parts, floating head tube sheet seal groove of the original concave groove and the other in the same end face of the tube plate to open a center of a circle, the radius of the groove is slightly larger than the outer diameter of the tube bundle ladder, and the tube sheet and only minutes away recess ladder recess communicating without communicating with the concave groove .
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