Passive containment system

Details Passive containment system Passive containment system

1977-05-18

1980-07-01

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Liquid tank

137 68R, 176 38, 176 65, 176 87, 261 62, 261 64B, 26123B, B01F 304, G21C 1512

Patent

active

042106141

ABSTRACT:
A containment system that provides complete protection entirely by passive means for the loss of coolant accident in a nuclear power plant and wherein all stored energy released in the coolant blowdown is contained and absorbed while the nuclear fuel is prevented from over-heating by a high containment back-pressure and a reactor vessel refill system. The primary containment vessel is restored to a high sub-atmospheric pressure within a few minutes after accident initiation and the decay heat is safely transferred to the environment while radiolytic hydrogen is contained by passive means.

REFERENCES:
patent: 1338592 (1920-04-01), Sanford
patent: 2945685 (1960-07-01), Bowlus
patent: 3081289 (1963-03-01), Cheney et al.
patent: 3168445 (1965-02-01), Ziegler et al.
patent: 3224170 (1965-12-01), Iwanaga et al.
patent: 3228526 (1966-01-01), Ciabattari et al.
patent: 3232843 (1966-02-01), Went et al.
patent: 3405920 (1968-10-01), Lefrancois
patent: 3528884 (1970-09-01), Collier et al.
patent: 3718539 (1973-02-01), West et al.

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