Nuclear reactor comprising an emergency cooling system and...

Details Nuclear reactor comprising an emergency cooling system and... Nuclear reactor comprising an emergency cooling system and...

G - Physics

21

C

G21C 15/18 (2006.01)

Patent

CA 2176509

Nuclear reactor comprising a vessel (11) with a plurality of coolant inlet and outlet openings (28, 30) linked to the normal reactor cooling system and a core shroud (36), within the vessel (11). The reactor comprises a cylinder (34) placed within the vessel (11), about the core shroud (36) to define an annular channel (38) between the core shroud (36) and the cylinder (34) and a cooling system comprising at least one emergency coolant injection pipe communicating with the annular channel (38) and at least two means (12, 14, 16, 18) for supplying emergency coolant to the injection pipe at different supply pressures.

Le réacteur nucléaire comporte une cuve (11) ayant une pluralité d'ouvertures (28,30) d'entrée et de sortie de réfrigérant reliées à un circuit de refroidissement normal du réacteur et une enveloppe de coeur (36), à l'intérieur de la cuve (11). Le réacteur comporte un cylindre (34) placé à l'intérieur de la cuve (11), autour de l'enveloppe de coeur (36) pour définir un canal annulaire (38) entre l'enveloppe de coeur (36) et le cylindre (34) ainsi qu'undispositif de refroidissement comportant au moins une tubulure d'injection de fluide réfrigérant de secours en communication avec le canal annulaire (38) et au moins deux moyens d'alimentation (12, 14, 16, 18) de la tubulure d'injection en fluide réfrigérant de secours à des pressions d'alimentation différentes.

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