池式研究堆高功率全厂断电事故分析

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Accident Analysis of Station Blackout of Pool-Type Research Reactor during High Power Operation

Institute of Nuclear Physics and Chemistry, Chins Academy of Engineering Physics, Mianyang, Sichuan, 621900, China

摘要: 针对全厂断电事故的主要事件序列,采用RETRAN-02程序对某池式研究堆全厂断电事故的进程和关键热工参数进行分析,论证该反应堆对全厂断电事故的承受能力。分析表明,在发生全厂断电事故后,该反应堆能依靠主泵惰转、可靠电源供电的余热排除系统和自然对流方式导出堆芯的剩余发热,防止核安全事故的发生;由可靠电源供电的辅助冷却是缓解该事故的有效措施,其供电能力不小于1 h。
- 研究堆 /
- 全厂断电事故 /
- RETRAN-02
Abstract: Based on the main event sequence,RETRAN-02 code is used to analyze the power supply station blackout accident and key thermal parameters of a pool-type research reactor and demonstrate the enduring capability of the accident.The result proves that the decay heat of the reactor could be removed through the idler wheel rotating,residual heat removal system supported by reliability power,and the natural circulation,which will prevent the nuclear safety accidents.The accessorial cooling supported by reliability power is an effective measure to relieve the accident,and the power can last for an hour at least.
- Research reactor /
- Station blackout accident /
- RETRAN-02