Safety device for nuclear fission reactors

Details Safety device for nuclear fission reactors Safety device for nuclear fission reactors

1980-06-27

1982-08-10

Schafer, Richard E.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Core catchers

G21C 900

Patent

active

043437621

ABSTRACT:
A plurality of radially arranged and neutron absorbing baffles are stacked in vertical sets under the fuel core assemblies, and the whole enclosed in a bottle shaped containment vessel. The radially arranged baffles of each set extend vertically, and each set has double the number of baffles as the set above it in the stack. A melt-down of a fuel core assembly drops the fissioning nuclear fuel into the stacked sets of baffles, there, as it passes through, to be progressively divided, redivided and dispersed in smaller and smaller masses between the doubling number of baffles in safe fuel pellet size. Neutron absorbing containment prevents contamination of the environment and together with cooling means stops fissioning of fuel.

REFERENCES:
patent: 3945883 (1976-03-01), Hind et al.
patent: 4003785 (1977-01-01), Rau et al.
patent: 4045284 (1977-08-01), Rosewell
patent: 4146429 (1979-03-01), Slagley

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