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116012,,,1,,,,,,,,,,,,,,,2(),(),,,,,,,,,Re(=12(R1-R2)2+(R2-R3)2+(R3-R1)2ã,,R1,R2,R3),,,1,ReEepEe=12(1+L)(E1-E2)2+(E2-E3)2+(E3-E1)21ö2,E1,E2,E3p=pöps(p,ps,(:1997204208)2ASMEÐ-1,Ð-2,19953JIS8270-19934BS5500,19975JB4732-95,1995611993118571,1993,124,2158()1,1989156691,1992101,1990111,1991121,1995131,1983141,199515()11985,1998,19(1)19Petro2ChemicalEquipmentTechnology©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.),Re=ReöRs(Rs),Ee=EeöEs(Es=RsöE,E)1,1,(),ps,Rs(E),,,p=(Ee)m(EA1A2),Re=(Ee)n(EB1B2)3A1(1p233),,(OE)(C1),B1D1,D1,Rep,Eep1:Eep=Ee-p(1)Rep=1-p(2)(),C1()D1(),Re=p-ûRepû(3),A1,,:Rs=p1Rs(4)p1A1$RsöRs=(Rs-Rs)öRs=p1-1=ûRepû(5)(3),,(5),3Rrep,pT,KT,:E;:KEKTKt(6)KE(E,E=0.2àE=0.4à)Rs,KT(KT=ûRepû),Kt()E,,KE,KE,(6)KTKEKt,KT=Kt(7)KEKt,KT=KE(8)pw,,:RewKtRsns(9):Rewpw;ns2,pRe,12T(pT,1)A(0,-KT)W(pw,Ktöns),:3,n=0,33p2,021998©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.pw=KT+Ktöns(10)pT=KT+1(11)(10)(11):pTöpw=pTöpw=KT+1KTnsns+KtöKT(12):pTpw=Kt+1Ktnsns+1(7)KE+1KEnsns+KtöKE(8)(13)2(12)(13),GB150-89:pT=1125ps[R][R]t=1125ptöKt(14),ps;1öKt118,1öKt=118E,,KtKE,(7),,,(13)(ps=pw,ns=116,Kt=1):pT=1123pw,Kt=018,(13):pT=1138pw[(14)]1125pw1156pw3(7)(13)[(14)]3,(7),,,(6),,(KTKt),(7)(KTKt),,,(),,4(12)(13),,KE,(6)KT,,,,,,,,,12191.©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.THEINQUIRYONWAYSOFDECREASINGINPUTIN-CREAINGOUTPUTShaoZhuguang.SINOPECconsulationcompany,Beijing,P.C100088KeywordsReduceexpendituretoincreasebenefit,Way,InquirNEWTRENDOFEQUIPMENTMAINTENACEANDMANAGEMENT.THEINTERNATIONALCONGRESSONPLANTEN-GINEERINGGUANGZHOU97(IPEC)HuAnding.SINOPEC,Beijing,P.C100029KeywordsEquipmentmaintenaceandmanagement,Internationalcongress,Development,NewtendencyABRIEFTALKONMANAGEMENTOFLARGESCALESETOFLANZHOUREFINERYPOWERPLANTZengFende.Lanzhoupetrochemicalcomplexpowerplant,P.C7300060KeywordsManagementprocedure,Technicalprogress,Machine-electricity-instrumentintegrate,Wholecoursemanagement,ModernmanagementTEXTUALRESEARCHONTESTINGPRESSUREOFPRESSUREVESSELSangRubao.CNSCP.DesignCommittee,P.C100101AbstractTheaimofpressuretestingofpressurevessel,thecruxoftestingandthemeaningoftemperaturemodificationaremen2tioned.Andpointoutthatthetemperaturemodificationoftestingpressurreduringinternalpressuretestingshouldbeconvertedbye2lasticmodulus.butforexternalpressuretesting,thepressuremodifi2cationoftestingpressureisnecessary.Adiscussiononthenewcon2ceptionofpressuretestinggaveinthisarticleiswelcomed.KeywordsPressurevessel,Testingpressure,TextualresearchOPTIMUMPRESSUREOFHYDROSTATICTESTFORPRESSUREVESSELLiZhiyi,DingXinwei.Dalianuniversityofscienceandengineering,P.C116012AbstractBymeansofelasticplasticfeaturecurveofjoiningedgestressconcentrationcrosssectiononpressurevesselisanalyzed.Inviewofabove,theconceptionofoptimumpressureofhydrostatictestforpressurevesselisproposed.Theformulaofoptimumpressureofhydrostatictestisderived.KeywordsPressurevessel,Optimumpressureofhydrostatictest,FormulaAPPLICATIONOFLIQUIDRINGTYPEVACUUMPUMPONLARGEATOMOSPHERICVACUUMUNITNiWangqing,YanTielun,etc.Liaoheoilfieldpetrochemicalcom2plex,P.C110000AbstractIn100105töaatmosphericvacuumunit,thesteamin2jectorissubstitutedbyliquidringtypevacuumpump.Theenergyu2tilizationefficienciesofsteaminjectorandvacuumpumpareana2lyzed.andthefactorsaffectedsuctionpressureofsteaminjectorareanalyzedtoo.Theyhavesomereferentialvalue.KeywordsVacuumpump,Flowsheet,EfficiencySAFEEVALUATIONOFREPAIREDHEATEXCHANGERHeXiaohua,YinXia,etc.Nanjinguniversityofchemialengineeringchemicalequipmentdesignandresearchinstitute,P.C210009AbstractOnanimportedheatexchangerinsomechemicalplant,anoffsetcausedbyfabricatingdeviationispresentedonthejointbe2tweenshellandstraightpartofhead.Bymeansoffinitelementmethod.Thestressanalysisiscarriedout.Andthestrengthofoffsetpartisevaluated.Therepairweldedequipmentisalsoanalyzedbyfinitelementmethod.Theresultofanalysisdenotesthatthestressstatusofrepairweldedpartsisdistinctlyimproved.Sothat,thesafe2tyandreliabilityofequipmentareincrased.KeywordsHeatexchanger,Finiteelementmethod,Stressanaly2sis,SafeevaluationANALYSISONBUNDLEDEFORMATIONOFCATALYT-ICSLURRYFEEDOILHEATEXCHANGERDongbiao,ZhangChunjun,etc.,Shenglipetroleumadministrativebureaupetrochemicalcomplex,P.C257000KeywordsHeatexchanger,Tubeside,Shellside,BundleMAKEAGOODJOBOFDOMESTICATIONFORIM-PORTEDEQUIPMENTTOCREATEMOREECONOMICBENEFIFFORENTERPRISETangWenke.Lanzhouchemicalengineeringcorporationsyntheticrub2berplant,P.C730060KeywordsTechnicaldevice,Domestication,Petrochemicalequip2mentTHEEXISTINGTECHNICALPROBLEMANDCOUN-TERMEASUREFORMAGNETICPUMPWangYuliang.Fushunpetroleuminstitute,P.C113001AbstractThereasonsfortheexistingprobleuminmagneticpumpapplicationareanalyzed.Andspecificproposaisforhowtoattainhightemperature,highefficiencyandsafereliabilityareputforward.KeywordsMagneticpump,Technicalprobleum,CountermeasureANIMPROVEMENTONDESIGNOFSYNCHRONOUSHOISTINGHYDRAULICSYSTEMFORCOKEGUIDERYuShiming.Shanghaiuniversity,P.C200072AbstractBasedontheanalysisofthestickingtroubleoftenhap2penedinthecokeguidershydraulicsynchronoussystematape