基于三轴漏磁内检测技术的管道特征识别

2011331,,,,(中国石油管道研究中心,廊坊065000):漏磁内检测器最早用来探测由于腐蚀导致的金属损失随着内检测器设计传感器和电子技术的进步,漏磁内检测器的探测识别能力显著提高,可以识别有时甚至可以确定多种类型的管道缺陷和特征的尺寸简要介绍了漏磁内检测的原理,分析了目前工业上使用的最先进的高分辨率三轴漏磁内检测器的特征,重点探讨了如何使用三轴漏磁内检测数据识别管道异常特征和管道结构特征:管道;三轴漏磁;内检测;特征识别:TG115.28:B:1000-6656(2011)01-0079-06IdentificationofPipelineFeaturesviaTr-iAxialMagneticFluxLeakageTechnologyforIn-LineInspectionWANGFu-Xiang,FENGQing-Shan,ZHANGHa-iLiang,SONGHan-Cheng,CHENJian(PetroChinaPipelineR&DCenter,Langfang065000,China)Abstract:MagneticFluxLeakage(MFL)in-lineinspectiontoolswasdevelopedtodetectmetallossresultedfromcorrosionintheearlydays.Withthedevelopmentoftooldesign,sensors,andelectronics,MFLtoolscanidentifyandsometimessizemanytypesofpipelinedefectsandfeatures.ThispaperbrieflyintroducedtheprincipleofMFLin-lineinspection,thenanalyzedtheadvantagesofadvancedhigh-resolutionaxialmagnetizingMFLtoolswithTr-iAxialsensortechnology,anddiscussedhowtoidentifypipelineanomaliesandpipelinestructurefeaturesusingtheTr-iAxialMFLdata.Keywords:Pipeline;Tr-iaxialMFL;In-lineInspection;FeaturesIdentification,,,,,,,(),,:2010-01-20:(2008B-2903-03):(1980-),,,,,,,,,,,1[1]79王富祥等:基于三轴漏磁内检测技术的管道特征识别2011331,,,,,,,,,,(),,,,1122711mm,,,2A2,2B,280,,,,,,,,2C3,,,,[2],,,,,,3[3]3,,,,44.180王富祥等:基于三轴漏磁内检测技术的管道特征识别2011331,,,4,,:(/);;,,5,,,,,:;;,,4.2,6,,,,,,4.37,,,,,,,,,81王富祥等:基于三轴漏磁内检测技术的管道特征识别201133174.4,8,:5,,,,;,,,,,,,(45),9,4,10,4,,,4.5,,11,,4.6,,12,,12(a),12(b),4.71314,,,4.8151682王富祥等:基于三轴漏磁内检测技术的管道特征识别2011331,,4.9,,17,4.10(18)(19),,,;18,,2m83王富祥等:基于三轴漏磁内检测技术的管道特征识别201133119,,5,,,,,,,,,,,,,:[1].[D].:,2006:2-5.[2].[J].,2009,28(10):72-75.[3]CholowskySharon,WestwoodStephen.Tr-iaxialsen-sorsand3-dimensionalmagneticmodellingofdefectscombinetoimprovedefectsizingfrommagneticfluxleakagesignals[C].NACEInternational,NorthernAreaWesternConference.Victoria,BritishColumbia,Canada:2004.(上接第49页),,,,,,,,3(1),HTPB,,(2),HTPB,,(3),HTPB,(4)(),:[1]KivityM,HartmanG,AchlamaAM.AgingofHT-PBPropellant[C].41stAIAA/ASME/SAE/ASEEJointPropulsionConference&Exhibit,Tucson,Ar-izona,2005:72.[2]MuhammadMazharIqbal,WangLiang.Modelingthemoistureeffectsofsolidingredientsoncompositepro-pellantproperties[J].AerospaceScienceandTechno-logy,2006,10(8):695-699.[3],.HTPB[J].,1996,19(3):47-52.[4]SvobGJ,BillsKW.Apredictivesurveillancetech-niqueforair-launchedmotors[C].AIAA/SAE/ASME18thJointPropulsionConference,AIAA82-1097.[5]IdeKM,HoSY,WilliamsDRG.Fracturebehaviorofacceleratedagedsolidrocketpropellants[J].JournalofMaterialsScience,1999,34(17):4209-4218.[6],,,.HTPB[J].,2000,23(3):37-40.[7]LiuCT.Cumulativedamageandcrackgrowthinsolidpropellant[J].AD-323684,1996.[8],,,.[J].,2008,29(1):114-118.84