Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1982-10-29
1985-07-02
Smith, Alfred E.
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
2505061, 252633, G21F 500
Patent
active
045270686
ABSTRACT:
The invention is directed to a concrete shielding housing for receiving and storing a fuel element container filled with spent nuclear reactor fuel elements. The container is suitable for transport and storage. The clear interior dimensions of the concrete shielding housing are somewhat larger than the outer dimensions of the fuel element container. The concrete shielding housing includes a pallet-type base and in the lower region of the housing there is provided at least one air inlet opening and in the upper region of the housing there is provided at least one air outlet opening. To prevent an uncontrolled conduction of moisture away from the interior of the housing to the ground or to the floor of a storage area or building, there is provided a collection pan arranged under the base plate of the pallet-like base. At least one axial bore extends clear through the base plate of the pallet-like base. With the arrangement of the collection pan, contaminated moisture is collected and prevented from seeping into the ground or floor.
REFERENCES:
patent: 3229096 (1966-01-01), Bonilla et al.
Nelson et al., "Retrievable Surface Storage Facility . . . ," Nuclear Teclogy, vol. 24, Dec. 1974, pp. 391-397.
Dyck Hans-Peter
Gregor Heinz-Dieter
Spilker Harry
Berman Jack I.
Deutsche Gesellschaft fur Wiederaufarbeitung von Kerbrennstoffen
Ottesen Walter
Smith Alfred E.
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