Baffle seal for sheel and tube heat exchangers
This patent describes a shell and tube heat exchanger comprising a tube bundle secured at one end to a tubesheet, an outer shell surrounding the tube bundle having a shell inlet and a shell outlet, a pair of diametrically opposed elongated support means affixed to the inner wall of the shell, a head member affixed to the shell adjacent the tubesheet having a tube side inlet and a tube side outlet, the tube bundle including: a longitudinally extending pass baffle for dividing shell side fluid into two passes between the shell inlet and shell outlet, a plurality of cross baffles affixed to the pass baffle at a plurality of stations along the length of the tube bundle each cross baffle having a generally circular peripheral edge and a pair of aligned peripheral notched indentations adjacent the pass baffle to expose an upper and lower surface of each longitudinal edge thereof for sliding engagement with the opposed elongated support means, and fluid seal means including a ''V'' shaped metal spring member extending for substantially the entire length of the longitudinal edges of the pass baffle in sealing engagement with the shell and the longitudinal edges of the pass baffle.
- Assignee:
- Exxon Research and Engineering Co., Florham, NJ
- Patent Number(s):
- US 4778005
- OSTI ID:
- 6542393
- Country of Publication:
- United States
- Language:
- English
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