基于动生涡流磁场的钢质管道内壁缺陷快速外检测
Rapid external detection of steel pipe inner wall defects based on motion-induced eddy currents magnetic field
摘 要
采用ANSYS有限元分析软件探讨了钢质管道内壁缺陷形状、宽度、深度及检测速度与动生涡流场间的关系；设计并搭建了快速外检测试验装置；评价了高速检测条件下，不同缺陷深度所产生的动生涡流信号特征。发现缺陷自身的深宽比越大，缺陷信号的磁感应强度信号越强；随着检测速度提高，动生涡流磁感应强度虽逐渐减小，但仍能精确检出缺陷的位置及参数信息；试验结果与仿真结果具有相同的变化趋势。试验结果表明，基于动生涡流磁场的钢质管道内壁缺陷快速外检测方法能够对管道内壁缺陷进行精准定位与参数辨别，可为管道的快速、精准检测提供理论参考和技术支持。
动生涡流
内缺陷外检测
检测速度
steel pipeline
motion-induced eddy current
internal defect external detection
detection speed
Abstract
The ANSYS finite element analysis software was used to explore the relationship between the shape, width, depth, and detection speed of defects on the inner wall of steel pipelines and the dynamic eddy current field; Designed and built a rapid external detection testing device; Evaluated the characteristics of dynamic eddy current signals generated by different defect depths under high-speed detection conditions. The larger the aspect ratio of the defect itself, the stronger the magnetic induction intensity signal of the defect signal; As the detection speed increases, although the intensity of dynamic eddy current magnetic induction gradually decreases, the location and parameter information of defects can still be accurately detected; The experimental results and simulation results have the same trend of change. The experimental results show that the rapid external detection method for steel pipeline inner wall defects based on dynamic eddy current magnetic field can accurately locate and identify parameters of pipeline inner wall defects, providing theoretical reference and technical support for the rapid and accurate detection of pipelines.
中图分类号 TG115.28 DOI 10.11973/wsjc202312010
所属栏目 试验研究
基金项目 自治区域协同创新专项（2021E02050）；自治区市场监督管理局科技计划项目（S2023172060）
收稿日期 2022/11/7
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备注范效礼(1985-),男,高级工程师,主要从事特种设备检验及压力容器健康检测技术研发工作
引用该论文: FAN Xiaoli,LI Weihan,MIAO Rui,LI Qiang,SHI Yanan. Rapid external detection of steel pipe inner wall defects based on motion-induced eddy currents magnetic field[J]. Nondestructive Testing, 2023, 45(12): 51～56
范效礼,李玮涵,苗锐,李强,时亚南. 基于动生涡流磁场的钢质管道内壁缺陷快速外检测[J]. 无损检测, 2023, 45(12): 51～56
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【3】PARK J H, KIM D K, KIM H J, et al.Development of EMA transducer for inspection of pipelines[J].Journal of Mechanical Science and Technology, 2017, 31(11):5209-5218.
【4】王婷, 杨辉, 冯庆善, 等.油气管道环焊缝缺陷内检测技术现状与展望[J].油气储运, 2015, 34(7):694-698.
【5】王晓司, 王勇, 杨静, 等.电磁超声和漏磁管道内检测技术对比分析[J].石油化工自动化, 2018, 54(5):55-57.
【6】王富祥, 玄文博, 陈健, 等.基于漏磁内检测的管道环焊缝缺陷识别与判定[J].油气储运, 2017, 36(2):161-170.
【7】TAPPERT S, ALLEN D L, MANN A, et al.Third-generation EMAT tool enhanced for finding SCC and disbonded coating in dry gas pipelines[J].Pipeline & Gas Journal, 2009, 236(6):26-28, 30, 32.
【8】NESTLEROTH J B, DAVIS R J.Application of eddy currents induced by permanent magnets for pipeline inspection[J].NDT & E International, 2007, 40(1):77-84.
【9】YUSA N, HASHIZUME H.Numerical investigation of the ability of eddy current testing to size surface breaking cracks[J].Nondestructive Testing and Evaluation, 2017, 32(1):50-58.
【10】YANG S, SUN Y, UDPA L, et al.3D simulation of velocity induced fields for nondestructive evaluation application[J].IEEE Transactions on Magnetics, 1999, 35(3):1754-1756.
【11】HOSHIKAWA H, KOYAMA K, MIZOGUCHI K.Eddy current non-destructive surface testing of weld coated with anticorrosion painting[J].Welding in the World, 2005, 49(7):28-32.
【12】ROCHA T J, RAMOS H G, RIBEIRO A L, et al.Evaluation of subsurface defects using diffusion of motion-induced eddy currents[J].IEEE Transactions on Instrumentation and Measurement, 2016, 65(5):1182-1187.
【13】CHU Z Q, JIANG Z K, MAO Z N, et al.Low-power eddy current detection with 1-1 type magnetoelectric sensor for pipeline cracks monitoring[J].Sensors and Actuators A:Physical, 2021, 318:112496.
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【15】WU J B, KANG Y H, TU J, et al.Analysis of the eddy-current effect in the Hi-speed axial MFL testing for steel pipe[J].International Journal of Applied Electromagnetics and Mechanics, 2014, 45(1/2/3/4):193-199.
【16】WU J B, FANG H, WANG J E, et al.Sensitivity difference caused by eddy-current magnetic field in Hi-speed MFL testing and its elimination method[J].International Journal of Applied Electromagnetics and Mechanics, 2016, 52(3/4):1007-1014.
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【18】伍剑波, 王杰, 康宜华, 等.感生磁场对高速运动钢管磁化的影响机理[J].机械工程学报, 2015, 51(18):7-12.
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