压力容器焊缝及其结构设计

X(),,,,50%89%,89%,50%(37.5%)[1],11.1(),,,,1aP=15.7MPa,T=200,«1200mm76mm(16+106)J507,16MoSi250a.b.UVc.UV()()1(),,,S76mm,UV1b,UV1c,:A,,100%RTUT,;;C,C;0511999X,,19428,,610041©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1.2,,,;,,,,,6mmV;,20mm,,,,,,V4550,V60,,,VX,,UV,U,25,5101.3,1.4,60%:10m/s;2m/s;90%,,:100mm15;022.1,2.22.2.1,,3,,:J507,,,,2a,,2bc,,a.b.c.2151263©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.2.2ASME,(),,,(,),:a.b.,,c.,,33,,ASME,[2],N1N2N3N4N5250502002520mm,:(4),,«25mm3mm4,10mm,6mm,,,,43,,,,,,GB985288/3H=-p2?UV,H=102mm,U,,;V,,,1..:,3362ASMEBoilerandPressureVesselCode.AnInternation2allyRecognizedCode,Section..RuleforConstructionofPressureVessels.Division22AlternativeRules.ASMEBoilerandPressureVesselCommitteeSubcommitteeonPressureVessels.1995.(ADD26)AD-621(:1998212214)2511999©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.ABSTRACTSResearchesonenergyconsumptionmechanismandenergy2savingprinciplesofhydrocyclones..OptimumEnergy2SavingPrinciples.ChuLiangyin,ChenWenmei,LiXiaozhong,LiuPeiklun(SichuanUniversity,Chengdu,Sichuan,China)(125)Astudywasmadeofthematchingoptimumofthesavingenergyandthereinforcedseparationperformanceofhydrocy2clones.Theresultsshowthatthereductionofenergyconsump2tionandthereinforcementofseparationperformanceofhydrocy2cloneswereingoodagreement,andanoptimumenergy2savingprinciplewasproposedofconsideringboththesavingenergyandthereinforcedseparationperformance,theinfluencelawsofen2ergyconsumptioncoefficientsandtheoperationcostcriterionwerestudied,thebasicaldataofanoptimumstructureassemblyweresystematicallygivenwhenhydrocyclonestookvariouspro2cessindexesasobjectivefunctions,andthedesignguideofopti2mumsavingenergyofthehydrocyclonesoperatinginvariouspro2cessworkingconditionswasprovided.KeyWords:Hydrocyclone,EnergyConsumption,SavingEnergy,SeparationPerformance,OptimumInfluencesofaxisymmetricalinletwithrevolvingpassagesontheseparationcharacteristicsofcycloneseparators.DiaoYongfa(XianJiaotongUniversity,XianShaanxi,China)JinWeiwei(XianUniversityofArchitect&Technology,Xian,Shaanxi,China)ShenHenggenXuJinyuan(XianJiaotongUni2versity,Xian,Shaanxi,China)(130)Theinletofasingle2inletcycloneseparatorwasmadetheaxisymmetricalinletwitharevolvingpassage,i.e.thedouble2in2letpassagelengthswerethesameasthesingle2inletpassagelengthsforthenon2axisymmetricalgasflowinthesingle2inletcycloneseparators.Theinfluenceoftheaxisymmetricalinletwitharevolvingpassageontheseparationperformanceofcyclonesep2aratorswasanalysedinthefieldsoftheinletgasvolume,thedustconcentrationatinlet,theresistancelossofcycloneseparators.Thecalculationcomparisonofgradingseparatingefficiencyshowsthattheseparationperformanceofthenewtypecyclonesepara2torsisnotonlysuperabletothatofthesingle2inletcyclonesepa2rators,butalsotothatofStrairmandhigh2efficientcyclonesepa2rators.KeyWords:CycloneSeparator,InletWithRevolvingPas2sage,Axisymmetry,SeparationCharacteristics,InfluenceResearchesontheweldingseamstressofpressurevesselsoftitanium.ChenJiguang(YueyangUniversity,Yueyang,Hunan,China)LiGangling(SouthChinaUniversityofTechnology,Guangzhou,Guangdong,China)(133)Thefailureofpressurevesselsoftitaniumwasproventobeoriganatingfromtheirweldingseamthroughtests,thestressofweldingseamswasstrongestatthe510mmlocationfromtheweldingseamroots,wasthe2.283.51timesofthebidirec2tionalintensificatedcalculatingvalueofthecylinders,andsomenewresearchthemesofstrengtheningtheweldingseamstrengthandloweringthestresspeakvalueofweldingseamswerepro2posed.KeyWords:PressureVesselofTitanium,StressofWeldingSeam,WeldingSeamRootInfluencesofthemagneticpolestructureonthesealper2formanceofmagneticfluid.HuoLiping,AnQi,CaiRenliang(EastChinaUniversityofScienceandTechnology,Shanghai,China)(136)Theinfluencesofcompoundmodesandstagenumbersofmagneticpoles,ofmagneticfielddirectionofmagneticsource,andofsealclearanceinamagneticfluidsealapparatusonthesealperformancewerestudied.Theexperimentalresultsshowthatthesealperformanceofmagneticfluidbecamebetterwiththein2creaseofthestagenumbersandthereductionofsealclearance,andwasrelatedwiththecompoundformsofmagneticpolesandthemagneticfielddirection.KeyWords:MagneticFluid,SealofMagneticFluid,SealPerformanceApplicationresearchesontherotarydiscdynamicmem2branefiltrationtechnologyforbacterium2enzymeseparationprocessinenzymepreparationproduction.WangXiaojing,SuWei(TianjinUniversity,Tianjin,China)YinXin(TianjinMaleableCastIronPlant,Tianjin,China)JinDingwu(TianjinU2niversity,Tianjin,China)(139)Throughtheexperimentsoftherotarydiscdynamicmem2branefiltrationplants,thebacterium2enzymeseparationofthefermentationliquidsof2amylaseand2709basicproteaseweremadeusingthenuclearholemembrane.Theexperimentalresultsshowthatthedynamicmembranefiltrationtechnologywasavail2ableforthebacteriumeliminationinenzymefermentationliquidsinenzymepreparationindustries.KeyWords:DynamicFiltrationMembrane,EnzymePrepa2ration,Bacterium2EnzymeSeparationEffectsofretarderTBContheautomaticoxygenationofsulfite.XiongRongchun,WeiGang(BeijingUniversityofChemi2calTechnolo