Coaxial finned tube heat exchanger

Details Coaxial finned tube heat exchanger Coaxial finned tube heat exchanger

F - Mech Eng,Light,Heat,Weapons

28

F

257/20

F28F 1/10 (2006.01) F28D 7/10 (2006.01) F28F 9/22 (2006.01)

Patent

CA 1206145

- 10 - ABSTRACT A coaxial finned tube heat exchanger is disclosed. The heat exchanger comprises a hollow shell (10), a tube (14) mounted coaxially within such shell and having ra- dially extending outer fins (16) of substantially large radial dimension in relation to the tube diameter. A first heat exchange fluid is passed in the tube and means (12) are provided for passing a second heat exchanger fluid through the shell. A plurality of segmental cut baffles (18) are mounted between adjacent fins at a predetermined spacing within the shell so as to achieve a cross-flow pattern for the second fluid between the fins of the tube, and a pair. of bypass flow blockers (22) are mounted longitudinally on the tip of the fins to block circum- ferential flow of the second fluid between the shell and the tips of the fins and so force the fluid flow between the fins.

440760

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