输油管道系统泵站可靠性分析

X,,(,300072):,.,,,.().,.:;;;;:TM621;TK321:A:049322137(2000)0520619205.,...,,.,,,.,,;,,,,.,(),.1,.,,,.,.,,,.,:1);2);3);4);5).,:1):,;2):,;3):,;4):,.,(1).,,,.,.,.,33520009JOURNALOFTIANJINUNIVERSITYVol.33No.5Sep2000X:1999203215;:1999206218.:(1961-),,,.©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(i=1,2,,N)Li(i=1,2,,N),RS(t)AS(t),Pa(t)=AP(t)(1):Pa(t)=pa0(t)pa1(t)paN(t);P(t)=P0(t)P1(t)PN(t).A=-6Ni=1KiL1LNK1-L100KN0-LNP(0)=P0(0)P1(0)PN(0)=C=100(1){P(t)}=eAt{C}(2)(1),.eAt..,,.2.1KS;LS;AS;MUT;MDT.1)NKS=6ni=1Ki,LS=6ni=1Ki6ni=1KiLi2)N()KS=Lö6Nk=11k!(LK)k,LS=L3)()KS=L1p3+L2p2p0+p1+p2,LS=L1p3+L2p4p3+p4:p0=L1L2(K1L1+K2L2+L1L2)ö[K1L2(L1+K2)(K1+K2+L2)+K2L1(L2+K1)(K1+K2+L1)+L1L2(K1L1+K2L2+L1L2)];p1=K2(K1+K2+L1)K1L1+K2L2L1L2p0;p2=K1(K1+K2+L2)K1L1+K2L2L1L2p0;p3=K1K2(K1+K2+L2)L1(K1L1+K2L2L1L2)p0;p4=K1K2(K1+K2+L2)L2(K1L1+K2L2L1L2)p0.4)()KS=K1K2(L1+L2)L1L2,LS=L1+L25)röN()0262000334©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=L(r-1)!6Ni=r1i!(LK)i-r+1,LS=L6)NKS=KNL-KN+1)LN-KN,LS=L,AS=11+KSLS,MUT=1KS,MDT=1LS(3)2.2,(),:AS=11+KSLS,MUT=1KS,MDT=1LS;KSLSKL.,,.,[2],(K,L),AS=11+KSLS:KS=2K,LS=L,;[2],AS=11+KL2,K2L2=0,.3,,.3.1,.,,.,(1).(2).,171314;8röN,47;91215N,1514;16(),81215.1,8,15,12,.1Fig.1Reliabilitylogicalblockdiagramofpumps-station126:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:A,B,C,E,D,F,KL[1,2].1:K1=KD=15ö106,L1=LD=0.25;2:K2=KF=15ö106,L2=LF=0.25;3:K3=KA+KB+KC=1206ö106,L3=K3KALA+KBLB+KCLC=148,KA=1100ö106,LA=148,KB=100ö106,LB=148,KC=6ö106,LC=0.25;4:K4=K1+K2+K3=1236ö106,L4=K4K1L1+K2L2+K3L3=147;5:K5=3K2+K3+K1=1266ö106,L5=K5K1L1+3K2L2+K3L3=146;6:K6=2K2+K3+K1=1251ö106,L6=K6K1L1+2K2L2+K3L3=146;7:K7=2K2+K3+K1=1251ö106,L7=K7K1L1+2K2L2+K3L3=146;8:K8=L(r-1)!6Ni=r1r!(LK)i-r+1=708ö106,L8=146,K=14(K4+K5+K6+K7),L=14(L4+L5+L6+L7);9:K9=2K22K+L=1.4ö106,L9=0.125,KL0.00030.125.10:K10=2K22K+L=14ö106,L10=0.0125,KL0.0000030.0125.11:K11=2K22K+L=14ö106,L11=0.0125,KL0.0000030.125.12:K12=2K22K+L=14ö106,L12=0.5,KL(,)0.00010.5.13:K13=K%+KC=236ö106,L13=K13KELE+KCLC=13,KE=230ö106,LE=13;KC=6ö106,LC=0.25;14:K14=K13+2K1=266ö106,L14=K14K13L13+2K1L1=13;15:K15=2K22K+L=0.4ö106,L15=13,KLK14L14.16:K16=Ks=K8+K9+K10+K11+3K+K12+K15=720ö106,L16=Ls=K163KL+K15L15+612i=8KiLi=146,KL0.0000020.05.,:AS=11+KSLS=0.9682262000334©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=1-As=0.032MUT=1Ks=1410hMDT=1Ls=46h0.968,0.032,1410h,46h.4,,R=PfC:R;Pf;C().,..,,,,,,,.,,,QSR=QSC,CC1C2.C=C1+C2:C1(,,);C2.C2=qrMDT:q,töh;r,öt;MDT,h.,C1=10,q=856töh,r=1300öt,R=Qs(C1+qrMDT)=164,.,,.5,,,.[1].[M].:,1987.[2]HenleyEJ.KumamotoH.ReliabilityEngineering&RiskAssessment[M].N.J.:Prentice2Hall,1981.RELIABILITYANALYSISFORPUMPS-STATIONOFCRUDCOILTRANSMITTINGPIPELINESGUOZhang2lin,HUYun2chang,YUJian2xing(SchoolofConstructionalEngineering,TianjinUniversity,Tianjin300072,China)Abstract:Inthispaper,thenetwork2treesconceptandreliabilityelementsmethodareputforwardforthereliabilityanalysisofthecomplicatedrepairableengineeringsystem.ThereliabilityelementsmethodisusedtosimplifythenetworkanalysisandestimatereliabilityindexeseasilyforcomplicatedrepairablesystemMarkovprocessesandavoidsolvingcomplicatedlineardifferentialequations.Theriskanalysismethod,inwhichunavailabilitytakestheplaceofunreliability(Failuresprobability),isadvancedfortherepairablesystem.Thereliabilityanalysisshowsthatthemethodisnotcomplicatedforthepumps2stationofcrudeoiltransmittingpipelines.Keywords:reliability;network2trees;reliability2elements;unavailability;risk326:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.