Double barrier heat exchanger

Details Double barrier heat exchanger Double barrier heat exchanger

1982-07-30

1986-12-02

Cline, William R.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

165 70, 165164, 165169, 376159, 376250, F28D 702, G21C 1700, G21C 1928

Patent

active

046257896

ABSTRACT:
The present invention relates to a double barrier heat exchanger between a radioactive primary fluid and a secondary fluid making it possible to detect a possible primary fluid leak in the exchanger. The primary fluid circulates in a primary duct and the secondary fluid circulates in a secondary duct, a junction matrix being positioned between the primary and secondary ducts and in contact with the latter. The matrix is in the form of a compact metallic mass incorporating at least one element, e.g. silver, which can be made raidoactive when it diffuses into the primary fluid. Application is to sampling circuits in nuclear reactors.

REFERENCES:
patent: 3509759 (1970-05-01), Sinclair et al.
patent: 3969077 (1976-07-01), Hill
patent: 4090554 (1978-05-01), Dickinson
patent: 4228848 (1980-10-01), Wadkinson, Jr.
Atom Energie, vol. 75, No. 9/10, Sep./Oct. 1966, pp. 357-366, Henzel et al., "Zor Lokalisterung von Brennelementhulenschaden in Kernreaktoren".

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