Nuclear reactor plant with a small high temperature reactor oper

Details Nuclear reactor plant with a small high temperature reactor oper Nuclear reactor plant with a small high temperature reactor oper

1985-09-26

1987-08-25

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376298, 376381, 376391, 376406, G21C 1518

Patent

active

046891943

ABSTRACT:
A nuclear reactor plant with a small high temperature reactor, principal heat exchangers located above the small high temperature reactor and housed in a steel pressure vessel, and a plurality of decay heat exchangers also located in the steel pressure vessel and connected on the cooling water side with an external recooling heat exchanger each, in a geodetically higher location. The object of the invention is to obtain a high degree of availability of the decay heat removal installations. This object is attained by the specific layout and connection of the components of the plant, which permits the operation of the decay heat exchangers both on the primary gas and the water side by natural convection only. The decay heat exchangers and their secondary circulation loops are active during power operations, so that potential failures and leaks are detected immediately. No special actuating measures are necessary to activate the decay heat removal operation. In power operations the decay heat exchangers are cooled with a slight flow of water only, so that the output loss remains low.

REFERENCES:
patent: 2946732 (1960-07-01), Wootton
patent: 2952602 (1960-09-01), Wootton
patent: 3190808 (1965-06-01), Dodd
patent: 3442759 (1969-05-01), Molle et al.
patent: 4404165 (1983-09-01), Hesky et al.
patent: 4554129 (1985-11-01), Peinado et al.
patent: 4587079 (1986-05-01), Fajeau et al.

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