Compaction apparatus for spent nuclear fuel rods

Details Compaction apparatus for spent nuclear fuel rods Compaction apparatus for spent nuclear fuel rods

1987-09-16

1990-07-24

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

G21C 1932

Patent

active

049434101

ABSTRACT:
A fuel rod directing chamber for compacting an array of fuel rods from an uncompacted array corresponding to the spacing of fuel rods in a fuel rod assembly to a compacted array in which no spacing exists between the individual fuel rods. The chamber is comprised of an elongated funnel containing a plurality of cavities extending longitudinally therethrough. The cavities form a plurality of holes at an entry end of the funnel corresponding in number and array to an array of fuel rods in a fuel rod assembly. The spacing between the cavities decreases along the length of the funnel until no spacing exists between the cavities. By causing fuel rods of a spent nuclear fuel rod assembly to pass through the cavities of the directing chamber, the spacing between the individual rods decreases, thereby reducing the reactivity of the rods, and increasing the density thereof. Because the location and identity of each spent fuel rod is determinable even in the compacted array, accountability of the entire amount of spent fuel material is at all times maintained.

REFERENCES:
patent: 4441242 (1984-04-01), Hicken et al.
patent: 4659535 (1987-04-01), Couture et al.
patent: 4671921 (1987-06-01), Foussard
patent: 4704247 (1987-11-01), Wachter
patent: 4714583 (1987-12-01), Wachter

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