工业锅炉焊缝X射线探伤新方法

:20050602:(1973),(),,,:10007466(2005)06006703X,,(,150088):介绍了数字化实时成像检测设备的配置检测方法及操作要领,在工业锅炉无损检测中使用该技术可产生明显的效益:;;X;:TK226:BAnewmethodofXrayradiographicexaminationforindustryboilerweldSONGHaipeng,WANGPeihua,YUWeiqi(HarbinAirConditioningCo.Ltd.,Harbin150088,China)Abstract:Equipment,detectionmethodandoperationofthedigitalizationcurrenttimeimagingtechniqueareintroduced.ThebenefitswillbebroughtafterthetechniqueappliedinnondestructiveexaminationofindustryboilerKeywords:boiler;nondestructiveexamination;Xrayradiographic;digitalizationimaging,X,,,[1],X,X,,,,,X,,,,GB179251999X![2],11.1XX,XX,120~300Hz,,X,,X1.0mm∀1.0mmX,,1.2,,,1.3X,X,,,,,346Vol34No6200511PETROCHEMICALEQUIPMENTNov2005,1.4X,,,X(6~8LP/mm),150~230mm,,,,1.5,(CCD),CCD,768∀576∀8bit,8.3mm(1/3),,CCD,CCD1.6:CPU256M80G43cm(17),2,1,1,2,Windows95Windows98Windows2000X,,XCX2000X,GB179251999,1.4LP/mm,1.6~2.0LP/mm,2X2.1,11000mm,;1000mm,X,,X,,XX,12.2,,X,M:M=L/L1=(L1+L2)/L1=1+L2/L1,L,L1,L2,mm,,1Mo:Mo=1+(Us/d)3/2,Us,dX,mmM#Modmim=Us/M2/31L3:L3=D/M,D,mm100%,,1a,1Le=L32aB,1N=B/Le;C,1N∃=C/LeNN∃Le,,1%2.5mm&68&2005342.32.3.1曝光时间,P4,13s,16s,10s11600mm600s,10minX,,1X15min(1∋1),22.3.2焦距选取,K(GB/T332387!AB,K(1.1,K(1.0)[3],L,,L12.3.3图像清晰度,UUsUg:U=(Us3+Ug3)1/3Ug=dL2/L1=d(M-1)Us,Ug(X),XX,,,,X,,(),2,,2,,:Ut=U/M,,,3,,,)∗,1()1/N(1/N∃),1,N(N∃),)∗,,,,,,,,24GB179251999,GB/T332387ABGB/T3323871.2~3.5,80~2303,6mm,2.2LP/mm;6~25mm,1.8LP/mm;25mm,1.6LP/mm,GB/T332387AB5,,0.21%,2~3a,,X,[2]:[1].[M].:,2001.[2]GB17925-1999,X[S].[3]GB/T3323-87,[S].()&69&6,:X