Shutdown system for a nuclear reactor

Details Shutdown system for a nuclear reactor Shutdown system for a nuclear reactor

1982-01-20

1984-06-05

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

Control component for a fission reactor

Flexible control element

376227, G21C 710

Patent

active

044527543

ABSTRACT:
An ultimate shutdown system is provided for termination of neutronic activity in a nuclear reactor. The shutdown system includes bead chains comprising spherical containers suspended on a flexible cable. The containers are comprised of mating hemispherical shells which provide a ruggedized enclosure for reactor poison material. The bead chains, normally suspended above the reactor core on storage spools, are released for downward travel upon command from an external reactor monitor. The chains are capable of horizontal movement, so as to flow around obstructions in the reactor during their downward motion.

REFERENCES:
patent: 3232842 (1966-02-01), Costes et al.
patent: 3945886 (1976-03-01), Derevyankin et al.
patent: 3981598 (1976-09-01), Taulier et al.
patent: 4001078 (1977-01-01), Doll
patent: 4076587 (1978-02-01), Taulier et al.

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