51420138ChemicalFertilizerDesignAug.2013管壳式换热器换热管破裂工况泄放量的计算730050管壳式换热器在换热管破裂工况下的泄放量计算是工程设计的难点。以实际工程为例针对换热管破裂时高压侧与低压侧处于不同工况下的泄放量进行了计算并与国外相关计算数据进行了比较总结出针对不同工况所应采用的泄放量计算公式和工程设计时的相关注意事项。管壳式换热器换热管破裂泄放量安全阀doi10.3969/j.issn.1004-8901.2013.04.002TQ051.5A1004-8901201304-0005-03LeakageCalculationinCaseofHeatTubeBrokenforTubeandShellHeatExchangerYINJun-jieYUANBen-wangLanzhouSub-companySpaceFlightChangzhengChemicalEngineeringStockCompanyLtd.LanzhouGansu730050ChinaAbstractLeakagecalculationwasadifficultpointinEngineeringdesignunderheatexchangingtubebrokenintubeandShellheatexchanger.Tak-ingpracticalprojectasanexampleleakagewascalculatedinallusiontohighpressuresideandlowpressuresideunderdifferentconditionsincaseofheatexchangingtubebrokenandacomparisonwasmadewithforeignrelativecalculationdataitwassummarizedthattheformulaforleakagecalculationwastobeadoptedfordifferentconditionsandtherelativemattersweretobenoticedinengineeringdesign.Keywordstubeandshellheatexchangerheatexchangingtubebreakageleakagesafetyvalvedoi10.3969/j.issn.1004-8901.2013.04.002。《》HG/T20570.2-95。2《》、2。。1。。CASALE2000t/d。2W=6.129×107d2p1MZTkk-()1p2p()12k-p2p()1k+1()槡k1p2>pCW=4.343×107d2MTp21-p22槡2p2≤pCW=4.343×107d2MT34p槡2131。94.2℃160℃13.84MPa16.2MPa1.4981.043。32℃80℃0.50MPa0.75MPa。16mm×2.0mm。1977-1999。·5·2。。312799kg/h3357330kg/h110120kg/h2654485kg/h。3799500kg/h。25%。12%。WingY.WongWL=1891Yd2CdpLOV0.54Y=1-0.317dp/pWL1b/hdindppsiLO1b/ft3。45180kg/h1358776kg/h。2。。CASALE2000t/dLurgi142000m3/hTEC1000t/d。1。29.2℃-18/80℃14.0MPa16.2MPa1.5181.062。-0.2℃-18/80℃0.42MPa2.0MPa。25mm×2.5mm。2。。。339641kg/h131201kg/h33370kg/h。25%。。1。1/kg·h-1/kg·h-1/%13964133370-18.7924112333210-23.8334026714543.664/CO267651188043.055209672673021.566310604238026.713《》HG/T20570.2-95W=5.6d2G1×Δp1/25Wkg/hdmmΔpMPaG1kg/m3。。。。Linde1000t/d。1。-41.2℃-80/60℃·6·2013年第51卷7.04MPa10.5MPa168893kg/h。-42.6℃-80/60℃0.75MPa1.8MPa。19mm×2.0mm。2。。HG/T20570.2-9581523kg/h21360kg/h。WingY.WongWL=1891d2CdpLOL0.56WL1b/hdindppsiLO1b/ft3。SIWL=2.4d2dpLOL0.56WLkg/hdmmdpMPaLOkg/m3。HG/T20570.2-95HG/T20570.2-955.6WingY.Wong2.4。34942kg/h。2。2HG/T20570.2-95/kg·h-1WingY.Wong/kg·h-1/kg·h-118152334942213602165015671603666043123。。112。222。3323。31p2>pCW=4.343×107d2MTp21-p22槡p2≤pCW=4.343×107d2MT34p1槡22。W2p2>pCW=4.343×107d2MTp21-p22槡p2≤pCW=4.343×107d2MT34p槡212。W3WL=1891d2CdpLOL0.5WL=2.4d2dpLOL0.5SI3。。1HG/T20570.2-95S.2.J.200212316-18.3WingY.Wong.PRVsizingforexchangertuberupture.HDROCAR-BONPROCESSINGFebruary1992.2013-09-21·7·第4期