Nuclear fuel storage facility with vented container lids

A spent nuclear fuel storage facility comprising:

• an array of storage containers, each of the storage containers comprising:
• a body portion having a storage cavity and an open top end, the storage cavity configured to hold a canister containing spent nuclear fuel;
• and
• a concrete-filled lid detachably coupled to the body portion and enclosing the open top end;
• the lid of each of the storage containers comprising an upper flange portion extending over and sealably engaging the open top end of the body portion, and a lower cylindrical plug portion extending downwards from the flange portion, the plug portion insertably received through the open top end of the body portion into the storage cavity;
• a plurality of outlet vents disposed in the plug portion of the lid, each outlet vent forming a passageway from an opening in a bottom surface of the plug portion to a central opening in a top surface of the lid;
• a plurality of inlet vents circumferentially located around the flange portion of the lid, each inlet forming a passageway from an opening in a side wall of the flange portion to an opening in a bottom surface of the flange portion;
• wherein each of the storage containers is configured to draw air through the inlet vents and into the storage cavity which is heated by the canister, and pass the heated air through the plug and flange portions of the lid via the outlet vents to ambient atmosphere.