核燃料组件破损自动超声检测系统的研制
Development of automatic ultrasonic inspection system for damaged of nuclear fuel assembly
摘 要
为满足核燃料组件破损检测的需要，研制了适用于燃料组件破损超声检测的成套检测系统。基于燃料棒破损后内腔充满水的特点，通过检测沿燃料棒包壳传输超声信号的能量损失来判断燃料棒是否破损。介绍了检测系统组成，并结合检测环境的特殊需求进行了一系列验证试验，包括标定组件和模拟组件超声信号测试、辐照试验、探头高温试验和现场验证等。试验结果表明，研制的超声探头及检测系统能够有效识别完好标定棒和破损标定棒，该检测系统具备对破损燃料组件实施自动超声检测的能力。
破损
自动超声检测
fuel rod
damage
automatic ultrasonic testing
Abstract
In order to meet the needs of nuclear fuel assembly damage inspection, a complete inspection system suitable for ultrasonic inspection of fuel assembly damage has been developed. Based on the characteristics that the inner cavity of the fuel rod is filled with water after the fuel rod is damaged, the energy loss of the ultrasonic signal transmitted along the fuel rod cladding is detected to determine whether the fuel rod is damaged. The composition of the detection system was introducted, and a series of verification tests based on the special requirements of the detection environment were carried out, including ultrasonic signal test of calibration components and analog components, irradiation test, probe high temperature test and field verification. The test results show that the developed ultrasonic probe and inspection system can effectively identify intact calibration rods and damaged calibration rods. The inspection system has the ability to perform automatic ultrasonic inspection of damaged fuel assemblies.
中图分类号 TG115.28 DOI 10.11973/wsjc202112014
所属栏目 仪器研制
基金项目
收稿日期 2021/5/19
修改稿日期
网络出版日期
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备注朱性利(1979-)，男，高级工程师，主要从事核电站自动化运维装备开发方面的研究工作
引用该论文: ZHU Xingli,GAN Wenjun,SHI Zhibin,CAI Jiafan,NIE Yong. Development of automatic ultrasonic inspection system for damaged of nuclear fuel assembly[J]. Nondestructive Testing, 2021, 43(12): 66～70
朱性利,甘文军,石志彬,蔡家藩,聂勇. 核燃料组件破损自动超声检测系统的研制[J]. 无损检测, 2021, 43(12): 66～70
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参考文献
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