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Title: Passive containment cooling system

A passive containment cooling 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 a gravity driven cooling system (GDCS) pool is disposed above the wetwell pool in the containment vessel and is vented to the drywell. An isolation pool is disposed above the GDCS pool and includes an isolation condenser therein. The condenser has an inlet line disposed in flow communication with the drywell for receiving the non-condensable gas along with any steam released therein following a loss-of-coolant accident (LOCA). The condenser also has an outlet line disposed in flow communication with the drywell for returning to the drywell both liquid condensate produced upon cooling of the steam and the non-condensable gas for reducing pressure within the containment vessel following the LOCA. 1 figure.
Inventors:
; ;
Issue Date:
OSTI Identifier:
5169843
Assignee:
General Electric Co., San Jose, CA () OAK; EDB-94-062980
Patent Number(s):
US 5282230; A
Application Number:
PPN: US 7-981979
Contract Number:
AC03-90SF18494
Resource Relation:
Patent File Date: 25 Nov 1992
Research Org:
General Electric Co
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; CONTAINMENT SYSTEMS; DESIGN; REACTORS; COOLING SYSTEMS; DEPRESSURIZATION; LOSS OF COOLANT; VAPOR CONDENSATION; ACCIDENTS; CONTAINMENT; ENERGY SYSTEMS; ENGINEERED SAFETY SYSTEMS; REACTOR ACCIDENTS; 220900* - Nuclear Reactor Technology- Reactor Safety; 220200 - Nuclear Reactor Technology- Components & Accessories