SEALED USED NUCLEAR FUEL PACKAGE FOR REACTOR LWGR-1000 Russian patent published in 2015 - IPC G21C19/06 

FIELD: power engineering.

SUBSTANCE: invention relates to nuclear fuel dry packages for pins of high-power channel-type reactor. Said package comprises housing with damper, cover (10) with valve and lock and removal cassette (1) with bed whereto connected are vertical props (4) and pipes to accommodate bundles of pins (22). Pipes are interconnected and connected to vertical props by welding and provided with bottoms (7) at lower part and, at upper part, with covers. Said removal cassette id equipped with detachable transport disc arranged with the help of guides (12) and fixing elements (13) at vertical props above said covers for vertical displacement and locking at upper position. Springs (28) are secured at lower surface of detachable disc (11) and aligned with covers while gripper head (25) is arranged at upper surface in its central axis. Extra pipe with bottom and cover is arranged in removal cassette central axis to accommodate extra bundle of pins. Covers are fitted in said housing to displace vertically in pipes. After fitting removal cassettes with bundles on pins in protective container and container protective cover in place, said cover shits detachable transport disc, its springs pushing said covers in pipes and locking bundles of pins therein.

EFFECT: increased capacity of removal cassette.

4 cl, 4 dwg