Abstract:
In this paper, based on the analysis of the change of radiation level in the ten refueling outage of unit 1 reactor plant in Qinshan phase II nuclear power plant, the adjustment of radiation zoning in the reactor building during the refuel outage is proposed, in terms of the optimization of radiation protection and exposure dose control. The adjustment results show that the reduced radiation risk of reactor plant is visible, and most of the radiation zone can be degraded to yellow zone or green zone.
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