Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Pressure suppression and relief
Patent
1984-12-27
1986-09-09
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Pressure suppression and relief
376310, 55256, G21C 900
Patent
active
046108408
ABSTRACT:
A fission product scrubbing system comprises a water tank in the containment building; a dividing wall extending into the water tank for separating it into first and second compartments; a collection plenum normally hermetically sealed from the containment space and the environment externally of the containment building and being at least in part formed by the dividing wall and the level of water stored in the second compartment and a communication passage in the dividing wall underneath the water level in the first and second compartments for maintaining communication between the water stored therein. There is further provided a standpipe which extends from the containment space into the second compartment and which has flow distribution holes situated in the second compartment below the water level and above the communication passage, whereby gases passing from the containment space into the standpipe travel upwardly from the distribution holes through the water into the collection plenum. A vent pipe extends from the collection plenum into the environment externally of the containment building and further, a rupture disc is mounted in the vent pipe for normally blocking communication between the collection plenum and the environment. The rupture disc is designed for blowing out in response to a predetermined pressure prevailing in the collection plenum to provide for a free passage of gases from the collection plenum towards the atmosphere through the vent pipe.
REFERENCES:
patent: 3105028 (1963-09-01), Long
patent: 3459635 (1969-08-01), Bevilacqua et al.
patent: 4210614 (1980-07-01), Kleimola
patent: 4416850 (1983-11-01), Kodama et al.
Abeles Daniel C.
Kyle Deborah L.
Maples John S.
Westinghouse Electric Corp.
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