Method of avoiding localized hydrogen build-ups in safety tanks

Details Method of avoiding localized hydrogen build-ups in safety tanks Method of avoiding localized hydrogen build-ups in safety tanks

1990-08-24

1992-02-11

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376277, 376300, G21C 1304

Patent

active

050874101

ABSTRACT:
A method of avoiding localized hydrogen build-ups in the atmospheres of safety tanks of reactors, especially light water reactors, is provided. After a break down that is accompanied by loss of coolant has occurred, the cooling water temperature in the sump of the safety tank is adjusted in the phase of the long term cooling to a temperature that is high than the air temperature in the dome of the safety tank, with this temperature adjustment being effected in such a way that an adequate intermixing of the atmosphere in said safety tank is effective in a convective manner.

REFERENCES:
patent: 4193338 (1980-03-01), Smiltnieks et al.
patent: 4631164 (1986-12-01), Heck
Kenneth C. Lish; Nuclear Power Plant Systems and Equipment; 1972; Section 2.6.2 and 14.4.

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