Emergency cooling device for a pressurized water reactor core

Details Emergency cooling device for a pressurized water reactor core Emergency cooling device for a pressurized water reactor core

1980-10-17

1987-02-17

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Emergency core coolant systems

376277, 376298, G21C 900

Patent

active

046438718

ABSTRACT:
The invention relates to a standby or emergency cooling device for the core of a pressurized water reactor.
A high pressure reservoir filled with boric acid solution is permanently connected to the reactor vessel via two pipes, preferably arriving at the same level. However, one of these pipes is extended within the vessel by a downwardly directed bend in order to issue below the other pipe. These two pipes have horizontal portions which are intended to prevent any natural circulation under normal operating conditions.
Application to the improvement of the safety of pressurized water nuclear reactors.

REFERENCES:
patent: 3429775 (1969-02-01), Petersen
patent: 3981770 (1976-09-01), Middleton
patent: 4072560 (1978-02-01), Seidelberger
patent: 4278500 (1981-07-01), Ailloud

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