Industrial technique

Details Industrial technique Industrial technique

1977-06-30

1979-08-07

Myhre, Charles J.

Heat exchange

With leakage collector

122 32, 165 96, 165160, 165163, 176 38, 165134R, F28F 900

Patent

active

041634705

ABSTRACT:
An illustrative embodiment of the invention has a group of three concentrically disposed banks of helical steam generator tubes. Shrouds interposed between each of these three tube banks establish liquid barriers between the individual banks that prevent liquid sodium (or other shell side working fluid) from enjoying free communication throughout all of the tube banks. In this way, potentially damaging leakage between the shell side working fluid and the water within one of the tube banks can be isolated through discontinuation of the shell side working fluid and feedwater flow to the leaking bank, thereby permitting the remaining sound tube banks to continue functioning.

REFERENCES:
patent: 3085626 (1963-04-01), Bognar et al.
patent: 3547188 (1970-12-01), Kuhnlein
patent: 3557760 (1971-01-01), Romanos et al.
patent: 3670810 (1972-06-01), Allen, Sr.
patent: 3768554 (1973-10-01), Stahl
patent: 3913531 (1975-10-01), VON Hollen

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