秦山第二核电厂混合堆芯水化学控制技术探讨

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Discussion about Primary Water Chemistry Control Method in Qinshan Phase II

1. School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai, China;
2. Nuclear Power Qinshan Joint Venture Company Limited, Haiyan, Zhejiang, 314300, China

摘要: 根据秦山第二核电厂混合堆芯的特点,对其一回路水化学优化控制方法进行了研究,提出采用4段的硼-锂(B-Li)协调方案控制最高锂浓度,以降低反应堆结构材料的腐蚀风险。对不同燃料循环腐蚀活化产物进行跟踪分析,结果表明:在混合堆芯运行期间,采用优化的B-Li协调水化学控制对抑制一回路结构材料腐蚀和降低一回路辐射场是有效的。
- 混合堆芯 /
- 水化学控制 /
- B-Li协调
Abstract: A 4-grade Boron-Lithium coordination solution to lower the risk of Reactor （inner） Structure corrosion by controlling lithium content is proposed based on the investigation of optimized primary loop water chemistry control method for the mixing core adopted in Qinshan Phase II. Validity of the optimized B-Li water chemistry control solution applied in the mixing core operation for anti-corrosion of structure material and reducing radiation in primary loop is testified by following up and analyzing the differential fuel cycle corrosion activation products.
- Mixing core /
- Water chemistry control /
- Boron-lithium coordination