CPR1000型核电机组换料水箱底板焊缝修复实践

Abstract

Abstract: This paper introduces the structure of refueling water tank used in a CPR1000 nuclear power unit, the defects treatment plan for the tank bottom plate, as well as the treatment process and results. This paper also analyzes the causes of the defects and provides suggestions for improvement of such issues.

Key words: CPR1000 nuclear power unit, refueling water tank, bottom plate, weld defect

CLC Number:

TM623

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JIANG Lei, SUN An, WANG Zheng, WU Rui. Repair practice of weld defect at refueling water tank bottom in CPR1000 nuclear power unit[J].RADIATION PROTECTION BULLETIN, 2024, 44(5): 30-36.

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URL: http://journal01.magtech.org.cn/Jwk3_fsfhtx/EN/

http://journal01.magtech.org.cn/Jwk3_fsfhtx/EN/Y2024/V44/I5/30

References

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[2] 卢岳川, 吴万军, 臧峰刚, 等. 大亚湾核电站换料水箱底板渗漏分析与评估[J]. 原子能科学技术, 2008,42(S2):648-651.
[3] 李守彬. 压水堆核电厂换料水箱底板焊缝的渗透查漏检测[J]. 电站辅机, 2020,41(2):45-48.

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Repair practice of weld defect at refueling water tank bottom in CPR1000 nuclear power unit

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