Fuel assembly skeleton compaction

Compositions – Radioactive compositions – Nuclear reactor fuel

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Details

83 15, 100229R, 100229A, 252626, G21F 922, G21F 934, B30B 1506

Patent

active

045377111

ABSTRACT:
The fuel assembly skeleton compaction system provides a means for remotely dismantling an irradiated nuclear fuel assembly skeleton once the nuclear fuel rods have been removed therefrom while the skeleton remains submerged in a coolant. The system comprises a feed chamber for holding the spent fuel assembly skeleton and for feeding a spent fuel assembly skeleton into a shear chamber which is arranged near the feed chamber. The shear chamber contains a shearing device for shearing the skeleton into small pieces and for moving the pieces of the skeleton into a compaction chamber which is located adjacent to the shear chamber. The compaction chamber contains a compaction cylinder for compacting the pieces of the skeleton introduced thereinto. A storage canister is located below the compaction chamber such that when the slide of the compaction chamber is opened, the compacted pieces of the skeleton may be pushed into the storage canister. When the storage canister is filled, it may be remotely removed and replaced with an empty canister.

REFERENCES:
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patent: 3600277 (1971-08-01), Germer
patent: 3722338 (1973-03-01), Cherel
patent: 3815323 (1974-06-01), Longo
patent: 4008658 (1977-02-01), Stock et al.
patent: 4095495 (1978-06-01), Chaze et al.
patent: 4290906 (1981-09-01), Saito et al.
Stoller, et al., ed. 1961, Reactor Handbook, vol. II, Fuel Reprocessing, Interscience Publishers Inc., New York, pp. 26-32.

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