Nuclear reactor loss of coolant protection system.

摘要

A pressurized water reactor system having circulation means outside the containment vessel (1) for the circulation of loss of coolant emergency water is provided which prevents exposure of such water to the atmosphere. The system includes an enclosure (9), separate from the containment vessel (1) and having a pump (13) and encased inlet and outlet conduits extending between the interior of the containment vessel (1) and the pump (13). The pump (13) with drive motor (15) are so arranged that they are easily removable from without the enclosure (9).