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Reactor steam supply system and reactor steam supply method characterized by storage of spent fuel in a containment vessel for suppressing the replenishment amount of spent fuel pool water
Reactor steam supply system and reactor steam supply method characterized by storage of spent fuel in a containment vessel for suppressing the replenishment amount of spent fuel pool water
A method and apparatus for extending the period a nuclear steam supply system spent fuel pool can be safely passively cooled by storing the spent fuel offloaded from the reactor, in the containment for one reactor operating cycle. During a refueling the spent fuel that is not to be returned to the reactor and the spent fuel that will be returned to the reactor are stored separately in shielded locations within the containment. After one operating cycle, the spent fuel stored within the containment that was not returned to the reactor just prior to the last operating cycle, is offloaded to the spent fuel pool and replaced by the newly offloaded spent fuel that is being retired.
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