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Written by: Huang Yongyu
2020-06-02 17:39
Date of last update: 2020-06-02 17:39A spokesman for the Security Bureau said today (2nd) that Yangjiang Nuclear Power Co., Ltd. reported on its website today an incident concerning the operation of Yangjiang Nuclear Power Station. On the 30th of last month, Yangjiang Nuclear Power Unit 3 was in a safe and normal operating state. After the staff completed the maintenance of the exhaust gas treatment system equipment in the auxiliary plant as planned, a small internal leakage occurred in one of the isolation valves of a storage decay box, resulting in extremely The amount of exhaust gas is released. The staff isolate the valve in time and carry out repair work according to the procedures. The relevant events are defined as level 0 deviation events.
Units 3 and 4 of Yangjiang Nuclear Power Plant. (Website of Yangjiang Nuclear Power Co., Ltd.)
According to the website of the Yangjiang Nuclear Power Plant, this exhaust gas release did not reach the alarm value of the radioactive monitoring system and had no impact on the surrounding environment. In the process, the unit was always in a safe state, and Yangjiang Nuclear Power Company also reported the relevant situation to the nuclear safety supervision department in a timely manner.
According to the international nuclear incident classification table and nuclear safety regulations, this incident was classified as a level 0 deviation event yesterday (June 1), which did not affect the safe operation of the unit, the health of employees, the surrounding public and the environment.
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Nuclear Power Security Bureau
