Combined cooling and purification system for nuclear reactor spe

Details Combined cooling and purification system for nuclear reactor spe Combined cooling and purification system for nuclear reactor spe

1992-06-24

1993-12-14

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376272, 376313, G21C 1932

Patent

active

052710513

ABSTRACT:
The spent fuel pit of a pressured water reactor (PWR) nuclear power plant has sufficient coolant capacity that a safety rated cooling system is not required. A non-safety rated combined cooling and purification system with redundant branches selectively provides simultaneously cooling and purification for the spent fuel pit, the refueling cavity, and the refueling water storage tank, and transfers coolant from the refueling water storage tank to the refueling cavity without it passing through the reactor core. Skimmers on the suction piping of the combined cooling and purification system eliminate the need for separate skimmer circuits with dedicated pumps.

REFERENCES:
patent: 3929567 (1975-12-01), Schabert et al.
patent: 4138319 (1979-02-01), Schabert et al.
patent: 4753771 (1988-06-01), Conway et al.
patent: 4959146 (1990-09-01), Kristan

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