Method for detecting steam leakage in heat-exchanger having circ

Details Method for detecting steam leakage in heat-exchanger having circ Method for detecting steam leakage in heat-exchanger having circ

1974-08-19

1976-08-24

Swisher, S. Clement

Measuring and testing

With fluid pressure

Leakage

73 405R, 73 407, 165 11, G01M 300

Patent

active

039759431

ABSTRACT:
The present invention concerns an improvement to the method for detecting a steam micro-leak in a heat-exchanger having circulation tubes surrounded by an alkaline/molten/metal (e.g. liquid sodium), said improvement consisting in using the normal operating fluid of the exchanger (in particular, water) as the hydrogenated tracer fluid, in injecting an inert gas successively into groups of tubes comprising at least detecting device (which is based on the measurement of hydrogen, in particular in sodium) until a zero reading, indicative of the leaking tube, is observed.

REFERENCES:
patent: 2675493 (1954-04-01), Grobel
patent: 3087327 (1963-04-01), Kagi
patent: 3425264 (1969-02-01), Frei

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