压力管道壁厚选择及相关应力的问题

(,610045):,,SCH,,,,:;;ChoiceofPressurePipeWallThicknessandStress-relatedIssuesLIUXiang-chu(ChengduHuaxiChemicalTechnologyCo1,Ltd1,SichuangChengdu610045,China)Abstract:Pressurepipepressurepipewallthicknessdesignchoiceisthemostbasicandmostfrequentlyaskedques2tions,however,intheactualdesignprocessisveryconfusing,experiencefrequentestimates,freetousetableofSCH,andcalculuswithouttheuseofcertainmanualdatarandomphenomenon1Thereisalsotheviewthebetterpipelinewallthickness,freeexpansionofpipelinewallthickness1Unreasonablechoiceofpipelinewallthickness,notonlytothesecuri2tyrisk,butalsoresultedintheimprovementofthecapitalcostofwasteandmaterials1Thewallthicknesscalculationandstressanalysiswerediscussed1Keywords:pressurepipe;wallthickness;stress:(1972-),,,,E-mail:liuperson@1631com,,,,,,,1,,,SH3045ASMEB3611SCH,SCH,SCH:SCH=P1000:P,MPa,MPa,,,SCH,1[1]1PNDN658010012515020025030035020,12CrMo,15CrMo,12CrMoV11644444155677215444441556774444155515789106144155678911121410678910131518201689111315192426302091113151822283236410T,SCH,,tsD01/6,GB50316-2000[2]:ts=PD02([]TEj+PY)3612009376tsd=ts+CC=C1+C2tsD01/6Y=Di+2CDi+D0+2CDN300,325(),4175MPa,100,1Cr5Mo,115mm,1215%GB50316-2000,9109mm,GBT17395-2008[3]915,SCH10mm,12mm,GB50316-2000,,SCH,,2,,,,,,017PMa,170,377mm,Q235-B,115mmGB50316-2000,6178mm,GBT17395-2008,7mmAUTOPIPE,7mm,A53F,,227mmA53F-A53F+()/(N/mm2)211411011001190113GR+MaxPGR+MaxP()/(N/mm2)24466255x262x01960125AmbtoT2AmbtoT2()/(N/mm2)242411011001220122MaxPMaxP(x:)7mm10mm,,,3310mmA53F-A53F+()/(N/mm2)161011011001140109GR+MaxPGR+MaxP()/(N/mm2)26589260x265x11020133AmbtoT2AmbtoT2()/(N/mm2)151511011001140114MaxPMaxP(x:),?A53F,,[4],,11:FX=ASESE=Ee/100:E,MPaA,mm2SE,MPaFX,Ne,cm/m,e=L/LL,mL,cm,,A,,FX,FX,114mm,4mm20120,FX385200N,8mm,FX599112N,213912N,,A53F[5]:Sl=FA+PD4S+MW(170)4612009376,,,,;,;,,,,,,;,,,,,,,,,,3-,,,,,,,,,[4],,,,,,,,311:312:313:MTPT4(1)(2),(3),[1]1[M]1:,2000,51[2][M]1GB151-19991[3]1[J]1,2007,31[4]1[J]1,2002,041(164):l,MPaF,NA,mm2P,MPaD,mmS,mmM,NmmW,mm3,,l,,3,,,,,,,,,,[1]1()[M]1,2003:4-71[2]GB50316-2000[S]:43-441[3]GB/T17395-2008[S]:111[4]1[M]1,2007:4731[5]1[M]1:5110712009376