Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Pressure suppression and relief
Patent
1993-05-03
1994-10-04
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Pressure suppression and relief
376299, G21C 1518
Patent
active
053533186
ABSTRACT:
A pressure suppression system includes a containment vessel surrounding a reactor pressure vessel and defining a drywell therein containing a non-condensable gas. An enclosed wetwell pool is disposed inside the containment vessel, and an enclosed gravity driven cooling system (GDCS) pool is disposed above the wetwell pool in the containment vessel. The GDCS pool includes a plenum for receiving through an inlet the non-condensable gas carried with steam from the drywell following a loss-of-coolant accident (LOCA). A condenser is disposed in the GDCS plenum for condensing the steam channeled therein and to trap the non-condensable gas therein. A method of operation includes draining the GDCS pool following the LOCA and channeling steam released into the drywell following the LOCA into the GDCS plenum for cooling along with the non-condensable gas carried therewith for trapping the gas therein.
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patent: 5082619 (1992-01-01), Sawyer
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GE Nuclear Energy, "SBWR Technical Description for NRC Staff Presentation," Dec. 1989, pp: cover; 1.0-1; 1.2-16, 17, 19, 20 & 28; 2.3-1 thru 11, 15-18; 2.6-14 & 42.
Beulick J. S.
General Electric Company
Wasil Daniel D.
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