氮气缓冲罐设计计算书Rev0锅炉及压力容器规范

JTSS天津金泰盛世石化设备有限公司DesignCalculations设计计算书Doc.No.文件号DC-JT14-01-01Rev.No.更改号0JobNo.工作令号JT14-01DWG.No./Rev.No.图号/更改号ASME-JT14-01-00/0Page页数28/32PAGE28DESIGNCALCULATIONSHEETFORNITROGENBUFFERTANK氮气缓冲罐设计计算书DesignCode:ASMECodeSectionⅧDivision12013Edition设计规范：ASME2013版第Ⅷ卷第1册Prepared:______________Date:_____________设计日期Approved:_______________Date:_____________批准日期天津金泰盛世石化设备有限公司JTSSCONTENT目录Cover封面1Content目录21.Designparametersandthecondition4设计参数和条件2.Mainmaterialandallowablestresses5主要的材料选择及其许用应力3.StrengthCalculations5强度计算3.1Calculationofshellwallthickness5筒体壁厚计算3.2Calculationofheadswallthickness6封头厚度计算3.3Calculationofnozzles7接管计算3.4Calculationofopeningreinforcement12开孔补强计算3.5Calculationforfilletweldingsizeofnozzle15接管角焊缝尺寸计算3.6Strengthofreinforcementattachmentwelds16补强件连接焊缝的强度3.7Calculationforthestrengthoffilletweldingbetweenflangeandnozzle..18法兰和接管处角焊缝的强度计算3.8Calculationforfilletweldingsizeoflug19吊耳角焊缝尺寸计算3.9CalculationforfilletweldingstrengthoftheattachmentofManhole…..21人孔附件角焊缝强度计算4.SelectionofStandardParts22标准零部件的选择5.HydrostaticTestingPressure22液压试验6.JudgmentforImpactTestingExemptions25判断是否需要冲击试验7.JudgmentforPostColdFormingHeatTreatmentRequirement27判断冷成形后是否需要进行热处理8.JudgmentforPostweldHeatTreatment28判断是否需要焊后热处理9.NDErequirement28无损检测要求10.Overpressureprotectivedevice29超压保护装置Appendix附录A.CalculationofLegSupports29支腿计算B.VesselloadingrequirementsASMESectionⅧDivision12013Edition(UG-22&UG-54)31容器载荷要求ASME2013版第Ⅷ卷第1册(UG-22&UG-54)1.Designparametersandthecondition设计参数和条件

Description描述Data数据Medium介质Nitrogen氮气DesignInternalPressure设计内压MPa1.2OperatingPressure操作压力MPa1.0DesignTemperature设计温度℃50WorkingTemperature工作温度℃40MDMT最低设计金属温度℃-10CorrosionAllowance腐蚀裕量mm1.0Normalvolume公称容积m31.47(SeeNote)Jointefficiency接头系数Heads封头0.85Shell壳体0.85Mainmaterials主要材料Heads封头SA-516MGr.485Shell壳体SA-516MGr.485Flange法兰SA-105MNozzle接管SA-105MOthers其它/注：公称容积计算Note：NormalvolumeCalculations1).筒体容积V1计算ShellvolumeCalculations筒体内径Di=1000mm筒体长度H=1500mm筒体容积V1=(Di/2)2×π×H=（1/2）2×3.1416×1.5=1.12).封头容积V2计算HeadvolumeCalculations按GBT25198-2010压力容器封头附录A计算StandardbasisGBT25198-2010HeadsforpressurevesselAppendixA封头内径Di=1000mm封头直边高度h=25mmV2=V2=(π/24)Di3+(π/4)Di2h=（π/24)×13＋(π/4)12×0.025=0.13).公称容积V计算NormalvolumeCalculationsV=V1+2×V2=1.17＋2×0.15=1.472.Mainmaterialandallowablestresses主要材料及其许用应力

Location位置Material材料Max.allowancestressvalueatdesigntemperature.设计温度下最大允许的应力值Heads/Shell壳体/封头SA-516MGr.485138MPaFlange法兰SA-105M138MPaNozzle接管SA-105M138MPaNote:abstractedfromSectionⅡ2013Edition注：摘自第Ⅱ卷D篇2013版3.StrengthCalculations强度计算3.1Calculationofshellwallthickness筒体壁厚计算3.1.1Checkingcondition校核条件:R=500+1=501t=8mm<R/2=250.5mmUG-27(c)-(1)(23.1.2Designformula:设计公式1）Circumferentialstress环向应力P=1.2Mpa<0.385SE=0.385×138×0.85=45.16MPaUG-27(c)(1)2）Longitudinalstress纵向应力P=1.2Mpa<1.25SE=1.25×138×0.85=146.63MPaUG-27(c)(2)Parameter参数Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度T50℃Corrosionallowance腐蚀裕量C1.0mmJointefficiency焊接系数E0.85Insideradiusoftheshell筒体内半径R501mmAllowancestress许用应力S138MPaRequiredthickness需要厚度tr1=1.2×501/(138×0.85-0.6×1.2)=5.157mmtr2=1.2×501/(2×138×0.85+0.4×1.2)=2.557mmmaketr=tr1=5.157Designthickness设计厚度5.157+1.0=6.157mmMinwallthickpluscorrosionallowance最小壁厚+腐蚀裕量ForUG-16(b)1.5+1.0=2.5mmRequiredmin.thickness要求最小厚度trn6.157mmEffectivethickness有效壁厚8mm(undertoleranceconsidered)＞6.157mm3.2Calculationofheadswallthickness封头厚度计算(内压)(Underinternalpressure)Theminoraxis(insidedepthoftheheadminustheskirt)equalsone-fourthoftheinsidediameteroftheheadskirt.1/2短轴（封头的内深度减去直边段的长度）等于封头直边段内径的1/4的半椭圆形的凸形封头Checkingcondition:校核条件ts/L=7.2/0.9D=7.2/(0.9×1002)=0.008.＞0.002Designformula:设计公式UG-32(d)(1)Parameter参数Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度T50℃Corrosionallowance腐蚀裕量C1.0mmJointefficiency焊接系数E0.85Headdiameter(lesscorrosionallowance)封头直径（减去腐蚀裕量）D1002mmallowancestress许用应力S138MPaNominalthickness名义厚度8mmRequiredthickness需要厚度tr1=1.2×1002/(2×138×0.85-0.2×1.2)=5.131mmDesignthickness设计厚度5.131+1.0=6.131mmMinwallthickpluscorrosionallowance最小壁厚+腐蚀裕量ForUG-16(b)1.5+1.0=2.5mmRequiredmin.thickness要求最小厚度trn6.131mmEffectivethickness有效壁厚8mm(undertoleranceconsidered)＞6.131Afterformingtheminimumthickness成型后的最小厚度7.2mm＞6.131mmWhenaskirtisprovided,itsthicknessshallbeatleastthatrequiredforaseamlessshellofthesameinsidediameter.UG-32(l)如果封头带直边段时，其厚度至少应等于相同内径无缝壳体所需的厚度。AccordingtoUG-27(c)(1)Actualtr1=8mm＞5.379mmAccordingUG-32(l),theminimumthickness8mmofskirtisgreaterthan5.379根据UG-32(l)，封头直边段实际最小厚度取值8mm大于相同内径无缝壳体要求厚度5.379mm，满足要求。3.3Calculationofnozzles接管计算Thetype&sizesofnozzlesasfollow：Symbol符号Outerdiameter(mm)外径Nominalthickness(mm)公称壁厚Service用途N160.35.54NitrogenInlet氮气进口N233.46.35Pressuregauge压力表接口N360.35.54NitrogenOutlet氮气出口N433.46.35Drain排净口N533.46.35PressureGauge压力表口M4578Manhole人孔Nozzleneckthickness接管颈部厚度：UG-45Foraccessopeningsandopeningsusedonlyforinspection对于出入孔和仅用于检查的开孔：tUG-45=taForothernozzle对于其接管：tb=min[tb3,max(tb1,tb2)]tUG-45=max(ta,tb)Designformulafornozzle:接管计算公式t=PRo/(SE+0.4P)Appendix附录11-1(a)(1)Designformulaforcylindricalshell:圆柱形壳体计算公式t=PR/(SE-0.6P)UG-27(c)(1)Designformulaforellipsoidalhead:椭圆形封头计算公式t=PD/(2SE-0.2P)UG-32(d)(1)3.3.1NozzleneckthicknessfornozzleN1andN3接管N1和N3的厚度：AccordingtoASMEB36.10M,thenozzleparameterasfollow:根据ASMEB36.10M标准，接管参数如下：Outerdiameter外径:60.3mmWallthickness壁厚:5.54mmRelatedsymbolanddata相关符号及数值DESCRIPTION描述Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度50℃Materialofshell筒体材料SA-516MGr.485Materialofnozzleneck接管材料SA-105Allowancestressvalueofshell筒体许用应力Sv138MPaAllowancestressvalueofnozzle接管许用应力Sn138MPaCorrosionAllowance腐蚀余量C1.0mmInnerradiusoftheshell壳体内半径R501mmJointefficiency焊接系数E1.0outerradiusofthenozzle接管外半径Ro60.3/2=30.15mmCalc.thick.计算厚度ta=1.2×30.15/(138×1+0.4×1.2)+1.0=1Appendix附录11-1(a)(1)Min.thicknessofnozzleneck接管颈部最小厚度tb1=1.2×501/(138×1-0.6×1.2)+1.0=5.379UG-27(c)(1)5.379mm>(1.5+1.0mm=tb1=5.379mmtb2isforexternalpressurevessel.Itisnotneedhere.tb3=3.42+1.0=4.42mmTabletb=min(tb3,max(tb1,tb2)=4.42Min.thickofnozzleneck接管颈部最小厚度ta=1.261mmtbtUG-45=max(ta,tb)=4.42mmRequiredthicknessof要求的厚度tUG-454.42mmNominalthick接管名义厚度tn=5.545.54×0.875=4.848mm＞4.423.3.2NozzleneckthicknessfornozzleN5接管N5的厚度：AccordingtoASMEB36.10M,thenozzleparameterasfollow:根据ASMEB36.10M标准，接管参数如下：Outerdiameter外径:33.4mmWallthickness壁厚:6.35mmRelatedsymbolanddata相关符号及数值DESCRIPTION描述Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度50℃Materialofshell筒体材料SA-516MGr.485Materialofnozzleneck接管材料SA-Allowancestressvalueofshell筒体许用应力Sv138MPaAllowancestressvalueofnozzle接管许用应力Sn138MPaCorrosionAllowance腐蚀余量C1.0mmInnerradiusoftheshell壳体内半径R501mmJointefficiency焊接系数E1.0outerradiusofthenozzle接管外半径Ro33.4/2=16.7mmCalc.thick.计算厚度ta=1.2×16.7/(138×1+0.4×1.2)+1.0=1.145Appendix附录11-1(a)(1)Min.thicknessofnozzleneck接管颈部最小厚度tb1=1.2×501/(138×1-0.6×1.2)+1.0=5.379UG-27(c)(1)5.379mm>(1.5+1.0mm=tb1=5.379mmtb2isforexternalpressurevessel.Itisnotneedhere.tb3=2.96+1.0=3.96mmtb=min(tb3,max(tb1,tb2)=3.96Min.thickofnozzleneck接管颈部最小厚度ta=1.145mmtbtUG-45=max(ta,tb)=3.96Requiredthicknessof要求的厚度tUG-453.96mmNominalthick接管名义厚度tn=6.356.35×0.875=5.556mm＞3.963.3.3NozzleneckthicknessfornozzleN2andN4接管N2和N4的厚度：AccordingtoASMEB36.10M,thenozzleparameterasfollow:根据ASMEB36.10M标准，接管参数如下：Outerdiameter外径:33.4mmWallthickness壁厚:6.35mmRelatedsymbolanddata相关符号及数值DESCRIPTION描述Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度50℃Materialofshell筒体材料SA-516MGr.485Materialofnozzleneck接管材料SA-Allowancestressvalueofshell筒体许用应力Sv138MPaAllowancestressvalueofnozzle接管许用应力Sn138MPaCorrosionAllowance腐蚀余量C1.0mmInnerdiameteroftheheadskirt封头直边段内直径D1002mmJointefficiency焊接系数E1.0outerradiusofthenozzle接管外半径Ro33.4/2=16.7mmCalc.thick.计算厚度ta=1.2×16.7/(138×1+0.4×1.2)+1.0=1.Appendix附录11-1(a)(1)Min.thicknessofnozzleneck接管颈部最小厚度tb1=1.2×1002/(2×138×1-0.2×1.2)+1.0=5.36UG-32(d)(1)5.36mm>(1.5+1.0mm=tb1=5.36mmtb2isforexternalpressurevessel.Itisnotneedhere.tb3=2.96+1.0=3.96mmtb=min(tb3,max(tb1,tb2)=3.96Min.thickofnozzleneck接管颈部最小厚度ta=1.145mmtbtUG-45=max(ta,tb)=3.96Requiredthicknessof要求的厚度tUG-453.96mmNominalthick接管名义厚度tn=6.356.35×0.875=5.556mm＞3.963.3.4NozzleneckthicknessfornozzleM(manhole)接管M(人孔)的厚度：Relatedsymbolanddata相关符号及数值DESCRIPTION描述Symbol符号Value数据Unit单位Calc.results计算结果Designinternalpressure设计内压P1.2MPaDesigntemperature设计温度50℃Materialofshell筒体材料SA-516MGr.485Materialofnozzleneck接管材料SA-516MGr.485Allowancestressvalueofshell筒体许用应力Sv138MPaAllowancestressvalueofnozzle接管许用应力Sn138MPaCorrosionAllowance腐蚀余量C1.0mmInnerradiusoftheshell壳体内半径R501mmJointefficiency焊接系数E0.85outerradiusofthenozzle接管外半径Ro457/2=228.5mmCalc.thick.计算厚度ta=1.2×228.5/(138×0.85+0.4×1.2)+1.0=3.328Appendix附录11-1(a)(1)Min.thicknessofnozzleneck接管颈部最小厚度1.5+1.0mm=2.5mmMin.thickofnozzleneck接管颈部最小厚度ta=3.328mmRequiredthicknessof要求的厚度tUG-453.328mmNominalthick接管名义厚度tn=8mm(undertoleranceconsidered)8mm＞3.328mm3.4Calculationofopeningreinforcement开孔补强计算Therequiredminimumthicknessoftheshellis5.157mm,andtherequiredminimumthicknessoftheheadis5.131mm,therequiredthicknessoftheshellandtheheadislessthan10mm,andthesizeofopening(N1~N5)islessthan89mm,accordingtoUG-36(c)(3)(a),theopeningsexceptopenings壳体要求的最小厚度是5.157mm，封头要求的最小厚度是5.131mm，筒体和封头的最小需要厚度小于10mm并且开孔尺寸(N1~N5)小于89mm，按照UG-36(c)(3)(a)，除了检查孔ReinforcementcalculationsforinspectionopeningnozzleMasfollowing:人孔补强计算如下:DESCRIPTION描述DATA数据Designinternalpressure设计内压P=1.2MPaDesigntemperature设计温度50Materialofshell筒体材料 SA-516MGr.485Materialofnozzleneck接管材料 SA-516MMaterialofreinforcingring补强圈材料SA-516MAllowancestressvalueofshell筒体许用应力Sv=138MPaAllowancestressvalueofnozzleneck接管许用应力Sn=138MPaAllowancestressvalueofreinforcingring补强圈许用应力Sp=138MPaThicknessofshell筒体有效壁厚:t=8.0-1.0=7.0t=7.Thicknessofnozzle接管有效壁厚:tn=8.0-1.0=7.0mmtn=7.0Thicknessofreinforcingring补强圈有效壁厚:te=8.0te=8.0Theoutsidediameterofreinforcingring补强圈的外径Dp=760mmCalculatedradiusofnozzle接管计算半径:Rn=(457-2×8.0)/2+1=221.5mmRn=221.5Requiredthicknessofaseamlessnozzlewall无缝接管壁需要厚度:trn=1.2×228.5/(138×1+0.4×1.2)=1.98trn=1.98Jointefficiencyoftheshellcourseunderconsideration所考虑的壳体焊接系数 E1=1.0Calculatedthicknessofshell壳体计算厚度：tr=1.2×501/(138×1-0.6×1.2)=4.379tr=4.379Openingdiameter开孔直径:d=2Rn=2×221.5=443mmd=443Outsidediameterofnozzle接管外径 Dno=457Heightofoutwardextensionfornozzle接管外伸高度ho=120mmHeightofinwardextensionfornozzle接管内伸高度 hi=0mmCorrectionfactor校正系数 F=1mmLegofoutwardweld外焊角高度 7Legofinwardweld内焊角高度 9a)Judgment:accordingtoUG-36(b)(1)d<(D/2=501mm),andd<500mm,reinforcementcalculationbyusingUG-36toUG-43.判断：依据UG-36(b)(1)d<(D/2=501mm)，并且d<500mm，补强计算可以使用UG-36到UG-43。b)Limitsofreinforcement:补强范围Paralleltothevesselwall:max(d,Rn+tn+t)=max(443,221.5+7+7)=443mmUG-40(b)平行容器壁方向：Normaltothevesselwall:min(2.5t,2.5tn+te)=min(2.5×7,2.5×7×7)=17.5mmUG-40(c)垂直于容器壁方向：Outsidediameterofreinforcingring(补强圈的外径)+2×Legofoutwardweld(外部焊角高度)=760+2×7=774mm<443×2=886mmHeightofoutwardextensionfornozzle接管外伸高度ho=120mm>17.5mmc)Calculationforfilletweldingsizeofnozzle接管角焊缝尺寸计算1)Inwardweld内焊角t=8mmtn=8mmtmin=min(19mm,min(t,tn))=min(19mm,min(8,8))=8mmtc=min(6mm,0.7tmin)=min(6mm,0.7×8)=5.6mmsetC=9mmactualSoC=9mm2)Outwardweld外焊角t=8mmtn=8mmtmin=min(19mm,min(t,tn))=min(19mm,min(8,8))=8mmtc=1/2tmin=1/2×8=4mmsetC1=7mmactualSoC1=7mmd)Reinforcementarearequired:需要的补强面积1)Strengthreductionfactor:强度削弱系数UG-37(a)fr1=Sn/Sv=138/138=1fr2=Sn/Sv=138/138=1fr3=min(Sn,Sp)/Sv=138/138=1fr4=Sp/Sv=138/138=12)Reinforcementcalculation补强计算:UG-37(a)Fig.UG-37.1Arearequired所需面积A=dtrF+2tntrF(1－fr1)=443×4.379×1+2×7.0×4.379×1×(1－1)=1939.9mm2A1=Areaavailableinshell;uselargervalue壳体有效补强面积，采用较大值d(E1t-Ftr)-2tn(E1t-Ftr)(1-fr1)A1=Max.of2(t+tn)(E1t-Ftr)-2tn(E1t-Ftr)(1-fr1)443(1×7.0-1×4.379)-2×7.0(1×7.0-1×4.379)(1-1)=1161=Max.of2(7.0+7.0)(1×7.0-1×4.379)-2×7.0(1×7.0-1×4.379)(1-1)=73.39=1161mmA2=Areaavailableinnozzleprojectingoutward;usesmallervalue外伸接管的有效补强面积，采用较小值5(tn-trn)fr2tA2=Min.of5(tn-trn)fr2tn5×(7.0-1.98)×1×7.0=175.7=Min.of5×(7.0-1.98)×1×7.0=175.7=175.7mmA3=Areaavailableininwardnozzle;usesmallestvalue内伸接管的有效补强面积，采用最小值A3=0A41=AreaavailableinoutwardweldA41=(leg)2×fr2=9×9×1=81mmA1+A2+A3+A41=1161+175.7+0+81=1417.7mm2＜A=Openingisnotadequatelyreinforcedsoreinforcingelementsmustbeincreased开孔补强不足，需要增加补强件。A2=Areaavailableinnozzleprojectingoutward;usesmallervalue外伸接管的有效补强面积，采用较小值5(tn-trn)fr2t=5×(7.0-1.98)×1×7.0=175.7A2=Min.of2(tn-trn)(2.5tn+te)fr2=2×(7.0-1.98)×(2.5×7.0+8)×1=256.02=175.7mmA41=AreaavailableinoutwardweldA41=(leg)2×fr3=9×9×1=81mmA42=AreaavailableinouterweldA42=(leg)2×fr4=7×7×1=49mmA5=Areaavailableinelement外加元件的有效补强面积A5=(Dp–d–2tn)tefr4=(760-443-2×7.0)×8×1=2424mm2A1+A2+A3+A41+A42+A5=1161+175.7+0+81+49+2424=3890.7mm2Conclusion：AreaavailableforreinforcementisgreaterthantherequiredareasothereinforcingelementisneedforM.3.5Calculationforfilletweldingsizeofnozzle接管角焊缝尺寸计算TheweldingtypeofallnozzleaccordingtoFig.UW-16.1(c),theminimumdimensionoftcshallbecheckedaccordingtoUW-16(b)接管的焊接类型依照Fig.UW-16.1(c),最小焊角尺寸tc依照UW-16(b)进行校核RelatedSymbolsAndData相关标记和数据UW-16(b)t=nominalthicknessofvesselshellorhead容器壳体或封头的公称厚度tn=nominalthicknessofnozzlewall公称管的壁厚tmin=thesmallerof3/4in.(19mm)orthethicknessofthethinnerofthepartjoinedbyafillet,single-bevel,orsingle-Jweld3/4in.(19mm)或角焊缝,单边V型缝或单边J型缝连接的较薄件的厚度两者取小tc=notlessthanthesmallerof1/4in.(6mm)or0.7tmin不小于1/4in.(6mm)或0.7tmin中较小者a)CheckoftheminimumdimensionoftcforN1&N3nozzlet=8mmtn=5.54mmtmin=min(19mm,min(t,tn))=min(19mm,min(8,5.54))=5.54mmtc=min(6mm,0.7tmin)=min(6mm,0.7×5.54)=3.88mmsetC=7mmactualSoC=7mmb)CheckoftheminimumdimensionoftcforN5nozzlet=8mmtn=6.35mmtmin=min(19mm,min(t,tn))=min(19mm,min(8,6.35))=6.35mmtc=min(6mm,0.7tmin)=min(6mm,0.7×6.35)=4.45mmsetC=7mmactualSoC=7mmc)CheckoftheminimumdimensionoftcforN2&N4nozzlet=8mmtn=6.35mmtmin=min(19mm,min(t,tn))=min(19mm,min(8,6.35))=6.35mmtc=min(6mm,0.7tmin)=min(6mm,0.7×6.35)=4.45mmsetC=7mmactualSoC=7mm3.6Strengthofreinforcementattachmentwelds补强件连接焊缝的强度a)TheattachmentweldsofnozzleN1.N2,N3,N4,N5toshellandheadscomplywithFig.UW-16.1(c).AccordingtoUW-15(b)(1),thestrengthcalculationsforthesenozzlearenotrequired.接管N1,N2,N3,N4,N5与筒体和封头的连接焊缝依据图UW16.1(c)，根据UW-15(b)(1)不要求进行强度计算。b)Checkingofweldingjointstrength:焊接接头强度校核(人孔)InaccordancewithUG-41andFigUG-41.1andallowablestressvalues(UW-15(c),UG-45):根据UG-41和图UG-41.1和许用应力(UW-15（c）,UG-45)Calculationofmanholering人孔颈部计算(1)Allowablestressvalues[UW-15(c)],各类许用应力值(UW-15(c))(a)Outfillet-weldshear外填角焊缝剪切应力=0.49×138=67.62MPa(b)Interfillet-weldshear

内填角焊缝剪切应力=0.49×138=67.62MPa(c)Nozzlewallshear

接管壁剪切应力=0.7×138=96.6MPa(d)Elementgrooveweldtension

补强板坡口焊缝拉伸应力=0.74×138=102.12MPa(e)Nozzlegrooveweldtension

接管坡口焊缝拉伸应力=0.74×138=102.12MPa(2)StrengthofConnectionElements连接元件的强度(a)Interfillet-weldshear内填角焊缝剪切强度=（π/2）×nozzleO.D.(接管外径)×weldleg(焊角高)×67.62=（π/2）×457×9×67.62=436871.53N(b)Outfillet-weldshear外填角焊缝剪切应力=（π/2）×reinforcingelementO.D.(补强圈外径)×weldleg(焊角高)×67.62=（π/2）×760×7×67.62=565075.75N(c)Nozzlewallshear接管壁剪切强度=（π/2）×meannozzleO.D.(接管平均直径)×tn×96.6=（π/2）×450×7×96.6=477977.61N(d)Elementgrooveweldtension补强板坡口焊缝拉伸应力=（π/2）×nozzleO.D.(接管外径)×te×102.12=（π/2）×457×8×102.12=586457.93N(e)Nozzlegrooveweldtension接管坡口焊缝拉伸应力=（π/2）×nozzleO.D.(接管外径)×t×102.12=（π/2）×457×7×102.12=513150.69N(3)CheckStrengthPaths校核各途径的强度InaccordancewithUG-41(b)andFigUG-41.1(a)依照UG-41（b）和图UG-41.1（a）W=[A-A1+2tnfr1(E1t-Ftr)]×Sv=[1939.9-1161+2×7×1×(1×7-1×4.379)]×138=112552NW1-1=[A2+A5+A41+A42]×Sv=(175.7+2424+81+49)×138=376698.6NW2-2=[A2+A3+A41+A43+2tntfr1]×Sv=(175.7+0+81+0+2×7×7×1)×138=48948.6NW3-3=[A2+A3+A5+A41+A42+A43+2tntfr1]×Sv=(175.7+0+2424+81+49+0+2×7×7×1)×138=390222.6NPath:1-1途径1-1565075.75+477977.61=1043053.36N＞W1-1Path:2-2途径2-2436871.53+586457.93+513150.69=1536480.15N＞W2-2Path:3-3途径3-3565075.75+513150.69=1078226.44N＞W3-3Allpathsarestrongerthanthestrengthof112552NrequiredbyUG-41(b)(2)所有途径的强度大于所需要的强度112552N，见UG-41(b)(2)。3.7Calculationforthestrengthoffilletweldingbetweenflangeandnozzle法兰和接管处角焊缝的强度计算ForN1andN3accordingtoUW-21(b)对于N1和N3口根据UW-21(b)规定do=60.3mmtheoutdiameterofnozzle管外径tn=5.54mmthethicknessofnozzle管壁厚t=min(tn,6)=min(5.54,6)=5.54mmfigUW-21Xmin=min(1.4tn,(78-61.9)/2)=min(1.4×5.54,8.05)=7.756mmActualXmin=8mm实际Xmin=8mmIt’sOK.ForN2,N4andN5accordingtoUW-21(b)对于N2,N4和N5口根据UW-21(b)规定do=33.4mmtheoutdiameterofnozzle管外径t=6.35mmthethicknessofnozzle管壁厚t=min(tn,6)=min(6.35,6)=6mmfigUW-21Xmin=min(1.4tn,(49-34.5)/2)=min(1.4×6.35,7.25)=7.25mmActualXmin=7.5mm实际Xmin=It’sOK.ForMaccordingtoUW-21(b)对于M口根据UW-21(b)规定do=457mmtheoutdiameterofnozzle管外径t=8mmthethicknessofnozzle管壁厚t=min(tn,6)=min(8,6)=6mmfigUW-21Xmin=min(1.4tn,(505-461.8)/2)=min(1.4×8=11.2,21.6)=11.2ActualXmin=12mm实际Xmin=It’sOK.3.8Calculationforfilletweldingsizeoflug吊耳角焊缝尺寸计算吊耳简图StandardbasisHG/T21574-2008”Chemicalequipmentliftinglugsandengineeringtechnicalspecification”MaterialofLug吊耳材料SA-516MGr.485DesignTemperature设计温度50LugsPlateAllowableTensileStress吊耳板许用拉应力［σL］138MPaLugsPlateAllowableYieldStress吊耳板许用屈服应力［σs］：255.6/1.6=159.75MPaLugsPlateAllowableShearStress吊耳板许用剪应力［τL］：［τL］=0.4×［σs］=0.4×159.75=63.9MPaLugsPlateAllowableBendStress吊耳板许用弯曲应力［σab］：［σab］=0.66×［σs］=0.66×159.75=105.43MPaLugsPlateCombinedAllowableStress吊耳板组合许用应力［σz］：［σz］=0.9×［σs］=0.9×159.75=143.77MPaHeadMaterial封头材质：HeadAllowableTensileStress封头材质许用拉应力［σH］：138MPaHeadAllowableYieldStress封头材质许用屈服应力［σs］：159.75MPaFilletWeldCoefficient角焊缝系数：:Φa=0.7Movable-LoadCombinedCoefficient动载综合系数K=1.8EquipmentEmptyWeight设备重量（空重）G=79LiftingDesignLoad起吊设计载荷Z=K×G=1.8×798=1LugsQuantity吊耳数量n=2SingleLugDesignLoad单个吊耳设计载荷LS=Z/n=1436.4/2=71AccelerationofGravity重力加速度g=9.8mS-2DistanceOfLiftingLugsHoleCentreLineToHeadsurface吊耳孔中心线至封头表面的垂直距离L=46mmEnd'sRoundArcofLiftingLugsPlate吊耳板端部的圆弧R=40CentreHoleDia.ofLiftingLugsPlate吊耳板中心孔直径D=30LengthofbottomofLugPlate吊耳板根部弧长E=118ThicknessofLiftingLugsPlate吊耳板厚度S=8Calculatedvalues各数据计算值VerticalLoad竖向载荷Fv=Ls×g=718.2×9.8=7038.36NTransverseLoad横向载荷FH=Fv×tan30°=7038.36×0.57735=4063.6NSuspendLoad吊绳方向载荷FL=Fv/cos30°=7038.36/0.866=8127.43NRadialdirectionmoment径向弯矩M=FH×L=4063.6×46=186927N.mmMaximumtensilestressofsuspendropeonLugsPlate吊耳板吊索方向的最大拉应力:σL=FL/[(2R-D)S]=8127.43/[(2×40-30)×8]=20.3MPa<［σL］=138MPa，OK通过MaximumtensilestressofsuspendropeonLugsPlate（BiasedConservative）吊耳板吊索方向的最大剪应力（偏于保守）τL=σL=20.3MPa<［τL］=63.9MPa，OK通过Overallareaofwelding焊缝总面积A=8×0.7×2×(46×tan15°+40+8)=675.65mmTensilestressofLugwelding吊耳焊缝拉应力σa=Fv/A=7038.36/675.65=10.4MPaensilestressofLuganglewelding角焊缝剪应力τa=FH/A=4063.6/675.65=6MPaBendstressofLuganglewelding角焊缝的弯曲应力σab=6M/{S[2×(L×tan15°+R)]2}=6×186927/{8×[2×(46×tan15°+40)]2}=12.8MPaCombinationstressofLuganglewelding吊耳角组合应力σz=[(σa+σab)2+4τa2]1/2=[(10.4+12.8)2+4×62]1/2=26.1MPaσz<［σz］=143.77MPaOK通过3.9CalculationforfilletweldingstrengthoftheattachmentofManhole人孔附件角焊缝计算人孔盖轴耳焊接简图WeldcornerstrengthcalculationisselectedperChinesestandardsYZB250-89角焊缝强度计算按中国标准YZB250-89Parameters:参数Material材料SA-516MGr.485&SAAllowableTensileStress许用拉伸应力[σ]=138MPaAllowableShearStress许用剪应力[τ]=0.49×138=67.62MPaTensilestrengthofthefillet-weld(FlangeCoverAxisPlate)法兰盖轴耳角焊缝拉伸强度校核FlangeCoverweight法兰盖质量m=98.52a)Atthesupportplate在支撑板处Areaofwelding焊缝面积A1=2×8×0.7×180=20ShearStress剪应力τ=mg/A1=98.52×9.8/2016=0.479MPa<[τ]Lengthbetweenthecenteroftheboomandtheweldingneck法兰盖中心到焊缝距离l=372.5mmTensilestress拉应力σ=6M/(hl2)=6×(98.52×9.8×372.5)/(8×1802)=8.33MPa<[σσ<[σ]τ<[τ]Soit’sOK因此通过校核b)Attheflyingring在吊环处Areaofwelding焊缝面积A2=8×0.7×(25×4+16×2)=739.2mmTensilestress拉应力σ=mg/A2=98.52×9.8/739.2=1.31MPa<[σ]σ<[σ]Soit’sOK因此通过校核c)Atthehandle在把手处Areaofwelding焊缝面积A3=8×0.7×3.14×20=351.68mm2Tensilestress拉应力σ=mg/(4×A3)=98.52×9.8/(4×351.68)=0.686MPa<[σ]σ<[σ]Soit’sOK因此通过校核4.SelectionofStandardParts标准零部件的选择Flange:selectedinaccordancewithASMEB16.5(2009Edition)150＃(Pressureratingcanbeatleast1.92MPaatdesigntemperature50℃法兰:依照ASMEB16.5(2009版)150＃进行选择（设计温度为50℃Support:SelectedinaccordancewithChinesestandardJB/T4712.2-2007.支座：按照中国的标准JB/T4712.2-2007进行选择5.Hydrostatictestpressure(inaccordancewithUG-22(j)andUG-99(b))液压试验压力(依照UG-22（j）及UG-99(b))St=allowablestressattesttemperatureofvessel试验温度下的许用应力Sd=allowablestressatdesigntemperatureofvessel设计温度下的许用应力Pt=1.3×MAWP×LSRPt=1.3×最大允许工作压力×最低应力系数Pt1=Pt+STATICHEADPt1=Pt+静压头Note:LSR=allowablestressattesttemperatureofvessel/allowablestressatdesigntemperatureofvessel注:LSR=最低应力系数等于容器试验温度下的许用应力/容器设计温度下的许用应力Partname部件名称Material材料St(MPa)7℃～Sd(MPa)LSRShell&head筒体及封头SA-516MGr.485138138138/138=1Flange法兰SA-105M138138138/138=1Nozzle管SA-105M138138138/138=1Note:theyieldstrengthofmaterial各材料的屈服强度(a)SA-516MGr.485when48℃当48℃MakeSm=256.88MPa设置Sm=256.88MPa(b)SA-105MFlange法兰when48℃当48℃MakeSm=243.2MPa设置Sm=243.2MPa(c)SA-105MNozzle接管when48℃当48℃MakeSm=243.2MPa设置Sm=243.2MPaTheheightofliquidlevelis2.05m.液位高度为Coincidentstaticheadactingduringthetest静压头试验时的压力:Psh=（1000kg/m3）×9.8（kgm/s2）×2.05(m)≈0.02MPaTeststaticpressure0.02MPa,试验静压力0.02MPaHydrostatictestpressure水压试验压力:LSR=1Pt=1.3×1.2×LSR=1.3×1.2×1=1.56MPaPt1=Pt+Psh=1.56+0.02=1.58MPa5.1 Thestressofshellshallandbottomellipsoidalheadandtopellipsoidalheadarecheckedinaccordancewiththeformulapriortostaticpressuretest:用公式校核筒体、下椭圆封头和上椭圆封头的应力Ts=8mmtheeffectivethicknessofshell筒体的有效壁厚Th=7.2mmafterformingtheminimumthicknessofhead封头成型后的壁厚R=500mmtheinsideradiusD=1000mmtheinsidediameter5.1.1Shell筒体S=Pt1(R+0.6Ts)/(ETs)=1.58×(500+0.6×8)/(0.85×8)=117.29MPa<0.9Sm=0.9×256.88=231.19MPaSoit’sOK因此通过校核5.1.2Bottomellipsoidalhead下椭圆封头S=Pt1(D+0.2Th)/(2ETh)=1.58×(1000+0.2×7.2)/(2×0.85×7.2)=129.27MPa<0.9Sm=0.9×256.88=231.19MPaSoit’sOK因此通过校核5.1.3Topellipsoidalhead上椭圆封头S=Pt(D+0.2Th)/(2ETh)=1.56×(1000+0.2×7.2)/(2×0.85×7.2)=127.63MPa<0.9Sm=0.9×256.88=231.19MPaSoit’sOK因此通过校核5.2 ThestressofnozzleN1,N3checkedinaccordancewiththeformulapriortostaticpressuretest:用公式校核接管N1,N3的应力5.2.1NozzleN1andN3接管N1,N3Ro=60.3/2=30.15mmT=5.54mmS=Pt1(Ro-0.4T)/(ET)=1.58×(30.15-0.4×5.54)/(1×5.54)=7.97MPa<0.9Sm=0.9×243.2=218.88MPaSoit’sOK因此通过校核5.2.2NozzleN2,N4接管N2,N4,N5Ro=33.4/2=16.7mmT=6.35mmS=Pt1(Ro-0.4T)/(ET)=1.58×(16.7-0.4×6.35)/(1×6.35)=3.52MPa<0.9Sm=0.9×243.2=218.88MPaSoit’sOK因此通过校核5.2.3ManholeshellM人孔筒节MRo=457/2=228.5mmT=8mmS=Pt1(Ro-0.4T)/(ET)=1.58×(228.5-0.4×8)/(0.85×8)=52.35MPa<0.9Sm=0.9×243.2=218.88MPaSoit’sOK因此通过校核5.3ThePressure-TemperatureRatingsofflangeischeckedthatisgreaterthanhydrostatictestpressure.校核法兰材料压力-温度额定值大于水压试验压力。AccordingtoASMEB16.5Table2-1.1Pressure-TemperatureRatingsof7℃or48℃forGroup1.1Materials,Pressure-TemperatureRatingsis1.927MPa(48℃)根据ASMEB16.5表2-1.1中1.1组材料压力-温度额定值，48℃时的工作压力是1.927MPa＞1.58Soit’sOK因此通过校核Note：SA-193MGr.B7when48℃,Sy=715.68当48℃时,Sy=715.68MakeSm=715.68MPa设置Sm=715.68MPaBoltingshallnotbeincludedinthedeterminationoftheLSR,dueto注：螺栓不参与LSR的确定,由于1.3×LSR×Sd(SA-193MB7)=1.3×1×172=223.6MPa90%Sy(SA-193MB7)=0.9×715.68=644.11MPaWhere:Syistheminimumyieldstrengthatthetesttemperature式中：Sy是试验温度下的最小屈服强度1.3×LSR×Sd(SA-193MB7)＜90%Sy(SA-193MB7)Soit’sOK因此通过校核6.JudgmentforImpactTestingExemptions判断是否需要冲击试验Judgmentwhethertheimpacttestisrequiredwhenmaterialsofvesselelementsa