Isolation condenser with shutdown cooling system heat exchanger

Details Isolation condenser with shutdown cooling system heat exchanger Isolation condenser with shutdown cooling system heat exchanger

1988-04-25

1989-05-16

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376298, G21C 1518

Patent

active

048308153

ABSTRACT:
An improved decay heat removal system and apparatus for a nuclear boiling water reactor. The apparatus includes an isolation condenser shell, water coolant, and heat exchange surfaces that are immersed in the water coolant and are sized for shutdown cooling duty. The apparatus is time shared for both isolation cooling and shutdown cooling duty. The invention reduces the total number of heat exchange surfaces and heat exchanger shells required for dissipating heat generated by the reactor core as compared to conventional, separate isolation cooling and shutdown cooling systems. In addition, the amount of reactor building space which must be reserved for isolation cooling and shutdown cooling requirements may be significantly reduced.

REFERENCES:
patent: 3431168 (1969-03-01), Kjemtrup
patent: 4689194 (1987-08-01), Wachholz et al.

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