G - Physics – 21 – C
Patent
G - Physics
21
C
G21C 19/07 (2006.01)
Patent
CA 2483182
The aim of the invention is to provide an intermediate storage system (1) for fuel elements (2) from a nuclear facility, which enables even fuel elements (2) with a comparatively high burn-up to be reliably intermediately stored, while maintaining high safety standards with especially low means. To this end, the intermediate storage system (1) is designed for wet storage of the fuel elements, and a wet storage reservoir (14) can be cooled down by means of an associated secondary cooling circuit (22) which can be operated in the natural circulation mode. During the operation of the intermediate storage system (1), a coolant supplied to the wet storage reservoir (14) for cooling the fuel elements (2) is cooled down by the secondary cooling circuit (22) which is operated in the natural circulation mode.
L'invention concerne un système de stockage intermédiaire (1) destiné à des éléments de combustible (2) provenant d'une centrale nucléaire, permettant de mettre en oeuvre un stockage intermédiaire fiable d'éléments de combustible (2) présentant un degré de combustion relativement élevé, tout en conservant des standards de sécurité élevés avec des moyens réduits. A cet effet, le système de stockage intermédiaire selon l'invention (1) est conçu pour un stockage humide des éléments de combustible (2), un bassin de stockage humide (14) pouvant être refroidi en retour par l'intermédiaire d'un circuit secondaire (22) exploité en mode de circulation naturel. Lors de l'utilisation dudit système de stockage secondaire (1), un agent réfrigérant contenu dans le bassin de stockage humide (14) pour le refroidissement des éléments de combustible (2) est refroidi en retour par l'intermédiaire du circuit secondaire (22) exploité pour sa part en mode de circulation naturel.
Arns Ludger
Banck Joachim
Blinn Klaus
Haenle Gerhard
Klaus Reinhold
Areva Np Gmbh
Fetherstonhaugh & Co.
Framatome Anp Gmbh
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