ASME取证用储罐强度计算书Word文档下载推荐.docx
《ASME取证用储罐强度计算书Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《ASME取证用储罐强度计算书Word文档下载推荐.docx(12页珍藏版)》请在冰豆网上搜索。
![ASME取证用储罐强度计算书Word文档下载推荐.docx](https://file1.bdocx.com/fileroot1/2022-11/24/ca60e0ef-deaa-42aa-8ca8-75c4ee1d7f79/ca60e0ef-deaa-42aa-8ca8-75c4ee1d7f791.gif)
ASMESectionⅧ,Div.1,2013
2)设计压力(p):
内部1.3Mpa
DesignPressure(p):
Internal1.3MPa
3)设计温度:
60℃
DesignTemperature:
60℃
4)焊接接头系数(E):
壳体为0.85,封头为0.85(无缝)
JointEfficiency(E):
0.85forShelland0.85forHeads(seamless)
5)材料最大许用应力MaterialMax.AllowableStress:
BasedonASMECodeSec.Ⅱ,PartDTable1A
壳体和封头:
SA516Gr.485,60℃时为138MPa
Shell&
Heads:
SA516Gr.485MaterialMax.AllowableStressis138MPaat60℃;
接管:
SA105M钢,60℃时为138MPa
Nozzles:
SA105MSteelMaterialMax.AllowableStress138MPaat60℃;
6)媒介:
空气
Medium:
Air(Nonlethal)
7)封头类型:
2:
1椭圆封头
Headtype:
1EllipsoidalHead;
8)其他载荷:
依据“客户设计说明书”(Doc.No.TS-15-01Rev.0)
OthersLoadings:
AsShownin“Customer’sDesignSpecification”(Doc.No.TS-15-01Rev.0)
9)腐蚀余度:
2.0mm
CorrosionAllowance:
2.0mm
10)容器外形和尺寸:
依据“客户设计说明书”(Doc.No.TS-15-01Rev.0)
LayoutofVesselandDimension:
AsShownin“Customer’sDesignSpecification”(Doc.No.TS-15-01Rev.0)
11)钢印要求:
要求ASME标识
Stamprequired:
ASMECertificationMarkrequired
12)NB要求:
不要求NB钢印
NBstamprequired:
NO“NB”stamprequired.
2.计算Calculation:
VerifyforUG-22Loading
Yes
No
1.InternalDesignPressure内压设计压力
√
2.ExternalDesignPressure外压设计压力
3.WeightoftheVessel容器重量
4.WeightofNormalContentsUnderOperatingConditions
在操作状态下容器内部正常介质的重量
5.WeightofNormalContentsUnderTestConditions
在试验状态下容器内部正常介质的重量
6.SuperimposedStaticLoadingsFromWeightofAttachedEquipment
附属设备的重量产生的附加静载荷
7.TheAttachmentofInternals内部附件
8.TheAttachmentofLiftingLugs吊耳
9.TheAttachmentofVesselofVesselSupport(Skirt,Legs,Saddles,Etc.)容器的支座(裙座、支架、鞍座等)
10.CyclicandDynamicreactionsduetoPressureorthermalvariations,orfromequipmentmountedonavessel,andmechanicalloading.
由压力或温度变化而引起的,或由容器上的设备引起的周期性和动荷反作用力以及机械载荷。
11.WindLoadings风负荷
12.SnowLoadings雪负荷
13.SeismicLoadings地震负荷
14.ImpactLoadingsSuchAsThoseDuetofluidshock
冲击载荷,例如由流体冲击而引起的等
15.TemperatureGradientsandDifferentialThermalExpansion
温度梯度及不同的热膨胀
16.Abnormalpressures,suchasthosecausedbydeflagration
例如由爆燃引起的各种异常压力
17.Testpressurecoincidentstaticheadactingduringthetest.
在试验期间所作用的试验压力和共同作用的静压头
2.1内压壳体最小厚度Min.RequiredThicknessofShellunderInternalPressure
符号Symbols:
t=壳体要求最小厚度,mm
t=minimumrequiredthicknessofshell,mm
P=内部设计压力,1.3MPa
P=internaldesignpressure,1.3MPa[seeUG-21]
R=预计容器筒内半径,250mm
R=insideradiusoftheshellcourseunderconsideration,250mm
S=最大许用应力值,138MPa
S=maximumallowablestressvalue,138MPa[seeASMECodePartIIDTable1AformaterialSA-516Gr.485]
E=焊接接头系数,0.85
E=jointefficiency,0.85[seeTableUW-12
(1)]
SinceP=1.3MPaislessthan0.385SE=45.16MPa,FormulaUG-27(c)
(1)isused:
考虑腐蚀裕量:
Considerofcorrosionallowable:
tr=t+Ca=2.81+2.0=4.81mm
Theseformulaswillgovernonlywhenthecircumferentialjointefficiencyislessthanone-halfthelongitudinaljointefficiency,accordingtoUG-27(c)
(2)note20,theformulaUG-27(c)
(2)forlongitudinalstressneedn’tconsidered.
公称钢板规则厚度=10mm
NominalPlateThicknessOrdered=10mm
钢板厚度可允许下偏差=0.25mm[seeUG-16(c)]
PlateUndertolerance=0.25mm[seeUG-16(c)]
UG-16(b)(4)theminimumthicknessofpressureretainingcomponents>
2.5mmforairservice(exclusiveanycorrosionallowance).
实际使用厚度=10-0.25=9.75>
4.81mm,并且也>
2.5+2mm,可以。
ActualUsedThickness=10-0.25=9.75>
4.81mm,and>
2.5+2mm(Ca)
Soitissatisfactory.
2.2椭圆封头最小厚度Min.RequiredThicknessofEllipsoidalHeads
t=封头成形后要求最小厚度,mm
t=minimumrequiredthicknessofheadafterforming,mm.
ts=封头成形后规定的最小厚度,ts=8.8mm
ts=minimumspecifiedthicknessofheadafterforming,ts=8.8mm
P=内部设计压力,1.3MPa
D=椭圆封头长轴内部长度,500+4mm(考虑腐蚀裕量)
D=insidelengthofmajoraxisoftheellipsoidalhead,500+4mm(undercorrosioncondition)
h=椭圆封头短轴长度的一半,125+2mm(考虑腐蚀裕量)
h=one-halfofthelengthoftheminoraxisoftheellipsoidalhead,125+2mm(undercorrosioncondition)
S=最大安全允许应力值,138MPa
S=maximumallowablestressvalue,138MPa[seeASMECodePartIID,Table1AformaterialSA516Gr.485],
E=焊接接头系数,0.85
E=jointefficiency,0.85[forSeamlessHeadandseeUW-12(d)].
E1=筒体与封头的焊接接头系数,0.85
E1=jointefficiencyofshellandhead,0.85
Ca=腐蚀裕量,2mm
Ca=corrosionallowance,2mm
K1=球半径系数,0.9
K1=0.9[seeTableUG-37,D/2h=2]
L=当量球半径K1D=0.9×
504=453.6mm
L=K1D=0.9×
504=453.6mm[see1-4(b)]
Sincets/L=7.1÷
450=0.015MoreThan0.002,FormulaUG-32(d)
(1)toBeUsed:
考虑允许的腐蚀裕量:
t=t+Ca=2.78+Ca=2.78+2.00=4.78mm
t=t+Ca=2.78+Ca=2.78+2.00=4.78mm
2.5mmforcompressedsteam
成形后封头的实际最小厚度8.8mm–2.0mm=6.8mm>
4.78mm,而且>
2.5+2mm,也可。
Actualminimumthicknessofheadsafterforming8.8mm-2.0mm=6.8mm>
4.78mmand>
2.5+2mm,SoitisOK。
2.3接管最小厚度Min.RequiredThicknessforNozzlesN1,N2,N3(UG-45)
Symbols:
符号
t=管口要求最小壁厚,mm
t=minimumrequiredthicknessofnozzles,mm
P=内部设计压力,1.3MPa
R1=管口内半径,24.61mm
R1=insideradiusofthenozzle,24.61mm
S=最大许用应力值,138MPa
S=maximumallowablestressvalue,138MPa[seeASMECodeSectionIIPartDTable1AformaterialSA-105M]
根据UG-45,管口要求最小厚度
AccordingtoUG-45,Min.requiredthicknessofnozzle
[seeUG-27]
[seeUG-27]
tb3=3.42+Ca=3.42+2.0=5.42mm
tb=min[tb3,tb31]=4.39mm
t=max(ta,tb)=4.39mm
管壁的实际使用最小厚度:
=5.54mm>
4.39mm
Actualmin.usedthicknessoftubewall:
4.39mm,soitissatisfactory.
2.4开孔和补强OpeningsandReinforcement(UG-36)
θ1=0°
θ2=53°
d1=60.3mmd2=60.3mmd3=60.3mm
2.4.1NozzlesN1,N2,N3.Thefinisheddiameterofcircularopeningis49.22mm,andminimumrequiredthicknessofshellis4.81mm.AccordingtoUG-36(c)(3)(-a)openingsinvesselnotsubjecttorapidfluctuationsinpressuredonotrequirereinforcementotherthanthatinherentintheconstructionunderthefollowingconditions:
weldedconnectionsmeetingtheapplicableandwithafinisheddiameterofcircularopeningisnotlargerthan89mmdiameterinvesselshellwitharequiredminimumthicknessof10mmorlessthan10mm,(-c)Notwoisolatedunreinforcedopeningshavetheircentersclosertoeachotherthanthesumoftheirdiameter.(-d)Theircentersclosertoeachotherthanthefollowing:
(1+1.5cosθ1)(d1+d2)=301.5mm<1200mm.(1+1.5cosθ2)(d1+d3)=229.4mm<1001mm.openingsofNozzleN1,N2,N3shallbeexemptfromthereinforcementrequirements.
2.5接管与壳体连接焊缝的强度计算StrengthCalculationforNozzleAttachmentWeld(UW-15)
AccordingtoUW-15(b)
(2),strengthcalculationfornozzleattachmentweldsforpressureloadingarenotrequiredforopeningsthatareexemptfromthereinforcementrequirementsbyUG-36(c)(3).
2.6接管与壳体连接焊缝高度核算VerifytheFilletWeldSizeofNozzles
accordingtoUW-16(a)
(2)(b)andFig.UW-16.1(c)
2.6.1FORNOZZLEN1,N2,N3
tmin=小于19mm或者由角焊,单坡口焊接或单J形焊接连接部分的较薄处的厚度=5.54mm;
tmin=thesmallerof19mmorthethicknessofthethinnerofthepartsjointedbyafillet,single-bevel,orsingle-Jweld=5.54mm
tc=不小于6mm,或0.7tmin=3.87mm
tc=notlessthanthesmallerof6mmor0.7tmin=3.87mm
角焊的实际焊喉尺寸=6.0×
sin45°
=4.24mm>
3.87mm
Actualthroatsizeoffilletweld=4.24mm>
3.87mm,soitissatisfactory.
2.7检查孔InspectionOpenings
设备设有三个DN50的管口(N1/N2/N3),与之相连附件是可拆卸的,因此依据UG-46(f)可不另设检查孔。
TherearethreeDN50(N1/N2/N3)nozzleswithremovableattachments.Therefore,noinspectionopeningswillbeprovidedbasedonUG-46(f).
3.热处理Heattreatment
3.1制造后热处理PostFabricationHeatTreatment(UCS-79)
AccordingtoUCS-79Formingstrainsfortheshellshallbecalculatedasfollows
钢板形成的圆筒
cylindersformedfromplate:
其中,
Rf=成形后的平均半径=255mm
Ro=原始半径(等于于钢板平面的正无穷)=无穷大
t=成形前钢板的正常厚度=10mm
Where
Rf=meanradiusafterforming=255mm
Ro=originalradius(equaltoinfinityforaflatplate)=无穷大
t=nominalthicknessoftheplatebeforeforming=10mm
AccordingtoUCS-79(d)ForP-No.1groupNo.1materialstheextremefiberelongationislessthan5%
Nopostfabricationheattreatmentisrequired.
3.2焊后热处理PostWeldHeatTreatment(UCS-56)
ShellandheadmaterialSA-516Gr.485belongstoP-No.1,nozzleandflangematerialSA-105MbelongstoP-No.1(seeSectionⅨP-NumbermaterialgroupingsofbasemetalsforqualificationofQW-422).Alltheweldedjointsnotover38mmthickness,InaccordingtoTableUCS-56note(b),thepostweldheattreatmentisnotrequired.
4.最低设计金属温度和冲击试验MDMTandImpactTesting(UCS-66)
4.1最低设计金属温度MDMT
根据“客户设计条件”,最低设计金属温度为0℃。
Theminimumdesignmetaltemperature(MDMT)is0℃per“Gustomer’sDesignSpecification”.
4.2冲击试验ImpactTestingUG-20(f)
根据UG-20(f),压力容器材料满足下列要求时,按UG-84的冲击试验不是
强制性的:
AccordingtoUG-20(f),impacttestingperUG-84isnotmandatoryforpressurevesselmaterialsthatsatisfyalloffollowing:
(1)材料(SA105M)为P-No1,Gr.No.1,厚度不超过下面(a)条的规定:
(a)对于图UCS-66曲线B的材料25mm;
ThematerialisP-No1,Gr.No1(SA105M),andthethicknessisnotexceedthatgivenin(b)below:
(a)25mmformaterialslistedinCurveBofFig.UCS-66;
材料(SA-516MGr.485)为P-No1,Gr.No.1,厚度不超过下面(b)条的规定:
(b)对于图UCS-66曲线D的材料25mm;
ThematerialisP-No1,Gr.No1(SA-516MGr485),andthethicknessisnotexceedthatgivenin(b)below:
(b)25mmformaterialslistedinCurveDofFig.UCS-66;
(2)按UG-99,对完工的容器进