CPC G21F 9/36 (2013.01) [B65D 21/0224 (2013.01); B09B 1/006 (2013.01); B09B 1/008 (2013.01); B09B 3/20 (2022.01); B65D 43/02 (2013.01); G21F 5/14 (2013.01); G21F 7/015 (2013.01); G21F 7/06 (2013.01)] | 20 Claims |
1. An underground nuclear waste storage system comprising:
an elongated outer shell defining a vertical axis and an internal cavity;
a vertically elongated storage module comprising a body configured for being buried below grade for a majority of its height, the module defining a vertical axis and an internal cavity;
the storage module further comprising a bottom plate and a removable top lid to provide access to the cavity;
a first canister positioned in the cavity in a lower position, the first canister configured for storing nuclear waste therein;
a second canister configured for storing nuclear waste therein and being vertically stacked above the first canister in an upper position in the cavity, the first and second canisters being coaxially aligned with the vertical axis;
an intermediate centering and spacing ring assembly mutually engaging the first and second canisters;
the intermediate centering and spacing ring defining a plurality of radial airflow passageways between the first and second canisters.
|