PRESSUREVESSELSPERASME-GENERAL压力容器通用规定(遵循ASME)Responsibleunit负责单位ASTResponsibleperson负责人YinZuAINo.编号40-010-00-V-0-00-001Revision修订0Revisiondate修订日期2012-12-31Category类别Specification规范Status状态Current当前Applicationarea使用范围INAComplexMaomingPage/Totalpages页/总页18/49treatment,VendormaycontactPurchasertoaskforthecalculationresultofpipestressanalysis.ReductionofnozzleloadsaccordingtoformulabelowshallbeapprovedbyPurchaser.当设备筒体/封头的厚度由于外部力和力矩的影响需整体增加时(增加补强圈也无法承受接管荷载)或者厚度的增加影响了制造工艺(如热处理),供货商可以联系买方以获得管道应力分析的计算结果。降低公式中要求的接管载荷应得到买方批准。Nozzlessubjectedtolargeforcesandmomentsinexcessofthosespecifiedbelow,shallbeanalyzedforforcesandmomentslistedonthePressureVesseldatasheets.当接管承受的力和力矩较大,超出规定值时,应按照数据表上列出的力和力矩对接管进行分析。AssessmentshallbeinaccordancewithWRCBulletins107and297against3timestheallowablestress(3Sm).Thenozzle/shellreinforcementshallbeincrementediffoundnecessary.分析应执行WRC107、297号公告,与3倍许用应力(3Sm)进行比较。如有必要,应对接管和筒体进行加强。Eachprocessnozzleshallbecapableofwithstandingthespecifiedmomentsandforcesfromexternalpipingunderdesignconditionswhichareconsideredtobeactingattheintersectionofnozzleandshellinthecorrodedcondition.每个工艺管口在设计工况下都应能承受规定的外部管道施加的力和力矩,这些力和力矩被设定为在腐蚀工况下作用在筒体与接管的连接处。Theindicator“D”intheformulaeisthenominaldiameterininchesuptoamaximumof60inches.The‘b’valueintheformulaedependsupontheratingofthenozzleflangeasfollows:公式中的符号”D”表示接管的公称直径,最大不超过60”。公式中的b值取决于接管法兰的磅级。FlangeRating法兰等级‘b’valueb值Vessels容器TubularHeatExchangers管壳式换热器PN2.0(150lb)0.60.75PN5.0(300lb)0.70.75PN11.0(600lb)0.81.25PN15.0(900lb)1.83.00PN26.0(1500lb)3.04.00PN42.0(2500lb)3.35.60NozzletoShellLoading壳体接管载荷NozzletoHeadLoading封头接管载荷LongitudinalBendingMoment轴向弯曲力矩(ML)=bx0.130xD2kNmCircumferentialBendingMoment(M∅)=bx0.100xD2kNmPRESSUREVESSELSPERASME-GENERAL压力容器通用规定(遵循ASME)Responsibleunit负责单位ASTResponsibleperson负责人YinZuAINo.编号40-010-00-V-0-00-001Revision修订0Revisiondate修订日期2012-12-31Category类别Specification规范Status状态Current当前Applicationarea使用范围INAComplexMaomingPage/Totalpages页/总页19/49周向弯曲力矩ResultantBendingMoment组合弯曲力矩(MB)=bx0.164xD2kNm(MB)=bx0.164xD2kNmTorsionalMoment扭矩(MT)=bx0.150xD2kNm(MT)=bx0.150xD2kNmLongitudinalForce轴向力(FL)=bx2.0xDkNCircumferentialForce周向力(F∅)=bx1.5xDkNResultantShearForce组合剪切力(FR)=bx2.5xDkN(FR)=bx2.5xDkNAxialTensionorCompressionForce轴向拉伸或压缩力(FA)=bx2.0xDkN(FA)=bx2.0xDkNTheloadscanbeexpectedtoapplyinthepositiveandnegativedirections.受力可以是正负值。RefertofigureinWRCbulletinNo.107forsignconvention.相关符号规定见WRC107号公告。InternalPiping内部管道Internalpressurepipingshallbeasrequiredbytheservice,withdueallowanceforcorrosiononbothsurfaces.内部的压力管道应满足工艺要求,两面都要考虑腐蚀裕量。Internalnon-pressurepipingshallbeasfollows:内部非压力管道应遵循:•Carbonandlowalloysteel(4to6percentCr-Momaximum):standardweight,Schedule40or¼inch(6.4mm)nominalwallthickness,whicheverisless.•碳钢和低合金钢(最大Cr-Mo含量4~6%):标准重量,名义厚度取SCH40等级与¼”(6.4mm)的较小值。•Highalloysteel(over4to6percentCr-Mo)andstainlesssteel:Schedule10SorfabricatedfromNo.12USSgaugesheet.•高合金钢(Cr-Mo含量大于4~6%)和不锈钢:壁厚等级SCH10s或按照USS标准中表12进行制造。Manholes,HandholesandInspectionOpenings人孔,手孔,检查孔Unlessotherwisespecified,thefollowingminimumcriteriashallapply:除非特别说明,应执行以下最低标准:VesselInsideDiameter容器内径Item描述Size(Min.)最小公称尺寸Qty.(Min.)最少数量≤300mmPeephole观察孔DN50(2”)1