Corrosion detection of pressure equipment based on ultrasonic guided wave and
摘 要
超声导波技术可以长距离、快速地在免除大面积拆除包覆层的基础上检测承压设备的内外壁腐蚀缺陷,但对带有包覆层承压设备的缺陷复验存在一定困难。针对上述问题,采用脉冲涡流技术对超声导波检测结果进行复验,通过设置对比试块检测试验和现场检测应用,证明了脉冲涡流技术可以有效地复验超声导波的检测结果,这两种技术的结合使用,能够使超声导波技术更好地应用于承压设备的检测中。
Abstract
Ultrasonic guided wave technology can detect corrosion defects on the inner and outer walls of the pressure equipment in long-distance, fast, and large-scale manner without the need of removing the coating. However, there are certain difficulties in re-examining the defects of pressure equipment with cladding. In response to the above problems, this paper uses pulse eddy current technology to reexamine the ultrasonic guided wave test results, By setting a test block for comparative test, and conducting on-site testing application, it is proved that the pulse eddy current technology can effectively recheck the ultrasonic guided wave test results. Through the combined use of these two technologies, ultrasonic guided wave technology can be better applied to the detection of pressure equipment.
中图分类号 TG115.28 DOI 10.11973/wsjc202104018
所属栏目 实践经验
基金项目 浙江省质监系统质量技术基础建设项目(20180119)
收稿日期 2020/7/14
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备注张小龙(1978-),男,本科,工程师,主要从事承压类特种设备无损检测研究工作
引用该论文: ZHANG Xiaolong,ZHANG Zijian,CHAI Junhui,HU Jian,WU Jiaxi,SHEN Jianmin,XU Bo,LU Jianping,CHEN Huiming. Corrosion detection of pressure equipment based on ultrasonic guided wave and[J]. Nondestructive Testing, 2021, 43(4): 77~81
张小龙,张子健,柴军辉,胡健,吴家喜,沈建民,许波,陆建平,陈会明. 基于超声导波和脉冲涡流技术的承压设备腐蚀检测[J]. 无损检测, 2021, 43(4): 77~81
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参考文献
【1】唐董海. 超声导波技术在压力管道缺陷检测中应用的局限性[J]. 化工装备技术, 2013, 34(5):22-23.
【2】孙杰, 付跃文, 李绪丰, 等. 带包覆层管道弯头局部壁厚减薄的脉冲涡流检测方法研究[J]. 无损探伤, 2018, 42(4):10-13.
【2】孙杰, 付跃文, 李绪丰, 等. 带包覆层管道弯头局部壁厚减薄的脉冲涡流检测方法研究[J]. 无损探伤, 2018, 42(4):10-13.
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