Heat exchange – With leakage collector
Patent
1978-02-28
1980-01-08
Richter, Sheldon
Heat exchange
With leakage collector
291574, 29523, 165 76, 165134R, 165173, 228183, 285 13, 285222, 285286, F28F 916
Patent
active
041824083
ABSTRACT:
A tube sheet construction for heat exchangers, particularly those of the type which utilize immiscible fluid heat exchange media, is formed with a tube sheet base plate and with a plurality of heat exchange tubes extending along at least a portion of their lengths in sealed fluid-tight engagement through the tube sheet base plate. The base plate is provided with a series of internal ducts extending in flow communication with the exterior of the tubes at the portion of the length thereof in sealed engagement with the base plate. The ducts are in flow communication with the exterior of the base plate and permit leaking fluid heat exchange media to be detected and exhausted from the heat exchanger. The tube ends extend beyond the base plate and a tube sheet cover plate extends over the base plate and is rigidly connected thereto with the cover plate having the projecting ends of the tubes fixed thereto by welding or the like. A plurality of cover plates may be provided and leakage ducts extending along a plurality of planar levels may also be provided.
REFERENCES:
patent: 2743089 (1956-04-01), Gardner et al.
patent: 2915295 (1959-12-01), Boni, Jr.
patent: 3114415 (1963-12-01), Wintzer
Deggendorfer Werft und Eisenbau GmbH
Richter Sheldon
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