A High-speed Magnetic Flux Leakage 180 Detecting System Based On Steel Pipe Rotation Spirally
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摘要: 针对钢管的高速探伤需求，结合钢管漏磁检测原理及方法，提出并分析了高速漏磁检测关键技术，研制了一种基于钢管旋转的 180漏磁探伤系统。介绍了探伤轨迹规划以及设备总体布局，并重点描述了横向检测主机、纵向检测主机和退磁装置的设计原理和结构。实践证明，该高速漏磁探伤装备检测性能良好，符合相关标准规定的检测要求，可满足于钢管生产线的高速探伤需求。Abstract: In order to meet the increasingly huge demand for high-speed magnetic flux leakage steel pipe detecting equipment, based on the working principle and method for such equipment, the coauthors point out and analyze the critical techniques. The high-speed magnetic flux leakage 180 steel pipe detecting system has been developed, which is operating with the pipe rotating spirally. This paper has introduced the detecting trajectory planning and overall layout of this equipment. The design principle and structure of the core components such as the transverse and longitudinal defects detecting device and demagnetizer are described in detail. It has been proved in field application that the performance of the equipment is of high quality because it can meet both the testing requirements of the relevant standards and the high-speed testing requirements of steel pipe production line.
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[1] ANS/API, SPEC 5L/ISO 3183: 2007Petro -leum and natural gas industries-steel pipe for pipeline transportation systems［S］. [2] GB/T 19830—2005石油天然气工业—油气井套管或油管用钢管［S］. [3] 孙燕华. 钢管漏磁检测新原理及其应用［D］.武汉:华中科技大学，2010:1-4. [4] 康宜华,邵双方,伍剑波,等.基于钢管旋转的纵向伤高速漏磁检测方法［J］.石油机械，2012,40(7):63-66. [5] 康宜华,孙燕华,李久政．钻杆漏磁检测探头的设计［J］.微传感器与微系统，2006，25(11)：46-48. [6] 徐江，武新军，康宜华，等.油管漏磁自动检测过程中的退磁方法研究［J］.石油矿场机械，2005,34(2):23-26.
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