1、 E403設計規(guī)定說明書 Heat Exchanger Specification Sheet1Company:2Location:3Service of Unit: Our Reference:4Item No.: Your Reference:5Date: Rev No.: Job No.:6Size254/3000mmTypeBEMHorConnected in1parallel1series7Surf/unit(eff.)9.8m2Shells/unit1Surf/shell (eff.)9.8m28PERFORMANCE OF ONE UNIT9Fluid allocationShe

2、ll SideTube Side10Fluid name11Fluid quantity, Totalkg/s.02533.861412Vapor (In/Out)kg/s0.02530013Liquidkg/s.025303.86143.861414Noncondensablekg/s001516Temperature (In/Out)C124124.62179.3160.0117Dew / Bubble pointC12412418Density (Vap / Liq)kg/m3/939.58/923.42/923.4219ViscositymPa*s/.2239/.9437/.97152

3、0Molecular wt, Vap18.0221Molecular wt, NC22Specific heatkJ/(kg*K)/4.256/.745/.74223Thermal conductivityW/(m*K)/.6826/.0817/.082424Latent heatkJ/kg2190.52190.825Pressure (abs)bar2.25122.243681.9284126Velocitym/s1.68.727Pressure drop, allow./calc.bar.45.00752.2.0715928Fouling resistance (min)m2*K/W.00

4、026.0018.00231Ao based29Heat exchanged55.4kWMTD corrected44.94C30Transfer rate, Service126.1Dirty181.3Clean339.9W/(m2*K)31CONSTRUCTION OF ONE SHELLSketch32Shell SideTube Side33Design/vac/test pressure:gbar3.44738/3.44738/34Design temperatureC215.56215.5635Number passes per shell1236Corrosion allowan

5、cemm3.183.1837ConnectionsInmm113.87/ -152.5/ -38Size/ratingOut126.64/ -177.93/ -39IDIntermediate/ -/ -40Tube No.56OD19Tks-Avg2.11mmLength3000mmPitch25mm41Tube typePlainMaterialCarbon SteelTube pattern3042ShellCarbon SteelID253OD273mmShell cover-43Channel or bonnetCarbon SteelChannel cover-44Tubeshee

6、t-stationaryCarbon SteelTubesheet-floating-45Floating head cover-Impingement protectionNone46Baffle-crossCarbon SteelTypeSingle segmentalCut(%d)43.11HSpacing: c/c200mm47Baffle-long-Seal typeInlet261.9mm48Supports-tubeU-bendType49Bypass sealTube-tubesheet jointExp. 2 grv50Expansion joint-Type51RhoV2-Inlet nozzle30Bundle entrance0Bundle exit5kg/(m*s2)52Gaskets - Shell side-Tube SideFlat Metal Jacket Fibe53Floating head-54Code requirementsASME Code Sec VIII Div 1TEMA classR - ref