Patent ID: 6430248
Filing Date: 2002-08-06
Classification: G21C,Y02E

Abstract:
A dry radioactive substance storage facility comprising:a structure having a storage room storing storage vessels containing a radioactive substance; an air inlet duct having an air inlet and defining an air inlet passage through which air is supplied into the storage room; a stack having an air outlet and defining an air discharge passage through which air from the storage room is discharged outside; a plurality of first baffling members disposed between a ceiling portion of the storage room and a floor portion of the storage room on the side of the air inlet duct in the storage room and being adjacent to the storage vessel, and arranged so that air supplied through the air inlet duct flows through spaces between the first baffling members into the storage room; and a plurality of second baffling members disposed between a ceiling portion of the storage room and a floor portion of the storage room on the side of the stack in the storage room and being adjacent to the storage vessel, and arranged so that air in the storage room flows through spaces between the second baffling members into the stack; wherein each of the first and the second baffling members comprises a neutron shielding member and a gamma ray shielding member.