E0202换热器说明书

Heat Exchanger Thermal Design Shell&Tube V8.4File: c5.EDR Printed: 2017/7/15 at 11:40:11Heat Exchanger Specification Sheet1Company:2Location:3Service of Unit: Our Reference:4Item No.: Your Reference:5Date: Rev No.: Job No.:6Size202/4500mmTypeBESHorConnected in1parallel1series7Surf/unit(eff.)m2Shells/unit1Surf/shell (eff.)m28PERFORMANCE OF ONE UNIT9Fluid allocationShell SideTube Side10Fluid name组分11Fluid quantity, Totalkg/s.1086.301712Vapor (In/Out)kg/s13Liquidkg/s0.1086.3017.301714Noncondensablekg/s001516Temperature (In/Out)C320451012017Dew / Bubble pointC201.755.9418Density (Vap / Liq)kg/m34.33/816.47/1008.41/896.8719ViscositymPa*s.0199/.2939/1.3019/.228720Molecular wt, Vap37.2321Molecular wt, NC22Specific heatkJ/(kg*K)1.834/2.807/3.763/4.71423Thermal conductivityW/(m*K).0454/.1403/.5838/.683524Latent heatkJ/kg364.625Pressure (abs)bar65.89551109.9931526Velocitym/s7.0627Pressure drop, allow./calc.bar.26.10449.5.0068528Fouling resistance (min)m2*K/W000Ao based29Heat exchanged138.8kWMTD corrected52.72C30Transfer rate, ServiceDirtyCleanW/(m2*K)31CONSTRUCTION OF ONE SHELLSketch32Shell SideTube Side33Design/vac/test pressure:gbar8/12/34Design temperatureC44022035Number passes per shell1136Corrosion allowancemm3.183.1837ConnectionsInmm1/ -/ -38Size/ratingOut/ -1/ -39Intermediate/ -/ -40Tube No.30OD19.05Tks-Avg2mmLength4500mmPitch25mm41Tube typePlainMaterialCarbon SteelTube pattern3042ShellCarbon SteelID202OD219mmShell cover-43Channel or bonnetCarbon SteelChannel coverCarbon Steel44Tubesheet-stationaryCarbon SteelTubesheet-floatingCarbon Steel45Floating head coverCarbon SteelImpingement protectionNone46Baffle-crossCarbon SteelTypeSingle segmentalCut(%d)28.56VSpacing: c/c55mm47Baffle-long-Seal typeInlet125.21mm48Supports-tubeU-bendType49Bypass sealTube-tubesheet jointExp.50Expansion joint-Type51RhoV2-Inlet nozzle11296Bundle entrance41Bundle exit0kg/(m*s2)52Gaskets - Shell sideUnknownTube SideUnknown53Floating headUnknown54Code requirementsASME Code Sec VIII Div 1TEMA classR - refinery service55Weight/Shell509.2Filled with water645.9 Bundle169.8kg56Remarks5758Overall PerformanceRating / CheckingShell SideTube SideTotal mass flow ratekg/s.1086.3017Vapor mass flow rate (In/Out)kg/s.1086000Liquid mass flow rate kg/s0.1086.3017.3017Vapor mass quallity 1000TemperaturesC3204510120Dew point / Bubble pointC201.7Operating Pressuresbar65.89551109.99315Film coefficientW/(m2*K)764.6721.2Fouling resistancem2*K/W00Velocity (highest)m/s7.06Pressure drop (allow./calc.)bar.26/.10449.5/.00685Total heat exchanged kW138.8UnitBES1pass1ser1parOverall clean coeff. (plain/finned)W/(m2*K)365.2/Shell size202-4500mmHorOverall dirty coeff. (plain/finned)W/(m2*K)365.2/TubesPlainEffective area (plain/finned)m27.7/No.30OD19.05Tks2mmEffective MTDC52.72Pattern30Pitch25mmActual/Required area ratio (dirty/clean)1.07/1.07BafflesSingle segmentalCut(%d)28.56Vibration problem (Tasc/TEMA)No/NoRhoV2 problemYesTotal cost8066Dollar(US)Resistance DistributionOverall Coefficient / Resistance SummaryCleanDirtyMax DirtyArea requiredm27.27.27.7Area ratio: actual/required1.071.071Overall coefficientW/(m2*K)365.2365.2341.9Overall resistancem2*K/W.00274.00274.00293Shell side foulingm2*K/W0.00.00009Tube side fouling 0.00.00009Resistance DistributionW/(m2*K)m2*K/W%Shell side film22786.9.0013147.7647.7644.71Shell side fouling003.19Tube wall22786.9.000041.61.61.5Tube side fouling *003.19Tube side film *721.2.0013950.6450.6447.4* Based on outside surface - Area ratio: Ao/Ai =1.27Heat Transfer CoefficientsFilm coefficientsW/(m2*K)Shell SideTube SideBare area (OD) / Finned areaBare area (OD) / ID areaOverall film coefficients764.6/721.2/Vapor sensible272/0/Two phase1006.6/0/Liquid sensible249.2/721.2/Heat Transfer ParametersInOutInOutPrandtl numbersVapor.81Liquid5.888.391.58Reynolds numbersVapor Nominal27732.8Liquid Nominal1880.08653.433720.43MTD and FluxTemperature DifferenceCHeat Flux (based on tube O.D)kW/m2Overall effective MTD52.72Overall actual flux19.3One pass counterflow MTD52.72Critical flux0LMTD based on end points94.67Highest actual flux41.3Effective MTD correction factor.56Highest actual/critical flux0Wall TemperaturesCShell mean metal temperature117.76Tube mean metal temperature86.32Tube wall temperatures (highest/lowest)158.59/18.95Duty DistributionHeat Load SummaryShell SideTube SidekW% totalkW% totalVapor only22.316002-Phase vapor16.91200Latent heat59.843002-Phase liquid36.42600Liquid only3.42138.8100Total138.8100138.8100Pressure DropPressure DropbarShell SideTube SideMaximum allowed.26.5Total calculated.10449.00685Gravitational00Frictional.10478.00685Momentum change-.000290Pressure drop distributionm/sbar%dpm/sbar%dpInlet nozzle51.07.0584455.77.89.0043463.45Entering bundle3.06.06.00001.11Inside tubes.06.06.000243.52Inlet space Xflow4.76.001471.4Baffle Xflow7.04.0322630.79Baffle windows2.1.01.0123911.82Outlet space Xflow.01.00001.01Exiting bundle0.06.00001.21Outlet nozzle.27.00022.211.0022432.7Intermediate nozzlesThermosiphon PipingPiping reference pointsmmPressure pointsbarCQualityHeight of liquid in columnLiquid level in columnHeight of heat transfer region inletInlet to heated sectionHeight of heat transfer region outletBoiling boundary positionHeight of column return lineOutlet of heated sectionExit of outlet pipingPressure changes (-loss/+gain)barInlet circuitExchangerOutlet circuitFrictionalGravitationalMomentumFlashingNozzlesTotalInlet Circuit PipingInlet circuit elementFrictional pressure drop at entrybarFrictional pressure drop at elementbarOutlet Circuit PipingOutlet circuit elementFrictional pressure drop at entrybarFrictional pressure drop at elementbarVoid fractionTwo phase flow patternFlow AnalysisShell Side Flow FractionsInletMiddleOutletDiameter ClearancemmCrossflow.33.31.33Window.81.52.81Baffle hole - tube OD.06.19.06.79Baffle OD - shell ID.13.29.133.18Shell ID - bundle OTL.47.21.4741Pass lanes000Rho*V2 AnalysisFlow areaVelocity DensityRho*V2TEMA limitmm2m/skg/m3kg/(m*s2)kg/(m*s2)Shell inlet nozzle49151.074.33112962232Shell entrance26379.514.333915953Bundle entrance82363.064.3341Bundle exit274100816.4705953Shell exit2637.05816.4725953Shell outlet nozzle491.27816.4760mm2m/skg/m3Tube inlet nozzle337.891008.417978928Tube inlet 5337.061008.413Tube outlet5337.06896.874Tube outlet nozzle3371896.87896Thermosiphons and KettlesThermosiphons Thermosiphon stabilityUnknown - beyond range of correlationsVertical tube side thermosiphonsFlow reversal criterion - top of the tubes (should be 0.5)Flooding criterion - top of the tubes (should be 1.0)Fraction of the tube length floodedKutateladze Number in axial nozzleKettlesRecirc