SEALED CASE FOR STORAGE OF WASTE NUCLEAR FUEL Russian patent published in 2011 - IPC G21C19/06 

FIELD: power industry.

SUBSTANCE: invention refers to storage devices of waste nuclear fuel cells of RBMK-1000 reactor and is designed for being used in stationary storages of waste nuclear fuel at reprocessing plants of such fuel or at NPP. Sealed storage case of waste nuclear fuel includes housing, cover with loading gripper, which is welded to it, in the form of central mould and duplicating gripping shoulder made in circumferential direction of cover, mould of cover of valve for pumping and filling of case with storage medium and control of tightness and pin-plug controlling it, grid made in the form of set of discs with coaxial holes, which forms cells for arrangement of waste fuel assemblies fixed on vertical racks at distances allowing to install ampules with the specified unstraightness. In housing of case there made is annular groove, and lock is installed in central mould of cover. Additional ampule with bundle of fuel cells is installed in central hole of discs of the grid.

EFFECT: increasing pay load coefficient of the case, improving manufacturability and operating reliability.

2 cl, 3 dwg