Boiling water reactor with combined active and passive safety sy

Details Boiling water reactor with combined active and passive safety sy Boiling water reactor with combined active and passive safety sy

1994-01-04

1995-06-20

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Pressure suppression and relief

376282, 376299, G21C 1518

Patent

active

054266815

ABSTRACT:
A boiling water reactor having an optimum combination of active and passive safety systems. By combining three active divisions (I,II,III)of the boiling water reactor with a passive fourth division, the resulting design achieves improved plant reliability in addition to on-line maintenance of the emergency core-cooling systems. Included in the passive division is a new component, the reactor heat removal condenser (48), to be used in conjunction with pressure release valves (50) to provide backup depressurization of the reactor pressure vessel and backup heat removal and inventory control. The operating pressure of the heat removal condenser is maintained in the range of 100-200 psi.

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Vierow et al., "BWR Passive Containment Cooling System by Condensation Driven Natural Circulation" (5 pages) (no date).
Nagasaka et al., "Heat Removal Tests of Isolation Condenser Applied as a Passive Containment Cooling System" (7 pages) (no date).

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