Radiant energy – Radiation controlling means – Shielded receptacles for radioactive sources
Patent
1981-05-08
1985-02-05
Smith, Alfred E.
Radiant energy
Radiation controlling means
Shielded receptacles for radioactive sources
G21F 500
Patent
active
044980116
ABSTRACT:
The invention concerns a device for the receiving, moving and radiation-shielding of vessels filled with expended reactor fuel elements. The device consists of a protective container having a base, a cylindrical protective jacket and a cover made from concrete. At the lower rim of the jacket there are lateral air ducts which open into the annular space between protective jacket and fuel element vessel. In the area of the upper jacket edge, lateral air outlet ducts are provided. For facilitating the loading of the device with fuel element containers and its transportation, the base is constructed in the form of a separate movable pallet. The fuel element container can be placed on this pallet, and the protective jacket over it. The air outlet ducts in the area of the cover are arranged in an inclined or angular fashion. The base is provided with a raised center platform for supporting the fuel element vessel. Also, centering means is provided for the correct seating of the protective jacket with respect to the base.
REFERENCES:
patent: 1576535 (1926-03-01), Muir
patent: 3005105 (1961-10-01), Lusk
patent: 3111586 (1963-11-01), Rogers
patent: 3391280 (1968-07-01), Bonilla et al.
patent: 3731102 (1973-05-01), Peterson
patent: 4257912 (1981-03-01), Fleischer et al.
patent: 4291536 (1981-09-01), Girard
Nelson et al., "Retrievable Surface Storage . . . ", Nuclear Technology, vol. 24, Dec. 1974, pp. 391-397.
Dyck Hans P.
Janberg Klaus
Richter Wolfgang
Spilker Harry
Berman Jack I.
Deutsche Gesellschaft fur Wiederaufarbeitung
Smith Alfred E.
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