年产2.4万吨硫酸铵项目3-1-2E205冷凝器严格计算.doc
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Size 700- 1500mm Type BEM Hor Connectedin 1 parallel 1 series
Surf/unit(eff.) 54.2 m2 Shells/unit 1 Surf/shell(eff.) 54.2 m2
PERFORMANCEOFONEUNIT
Fluidallocation
ShellSide
TubeSide
FluidName
L3-OUT
COLD-IN
Fluidquantity,Total kg/s
0.0517
0.9444
Vapor(In/Out) kg/s
0.0517
0
0.9444
0.9444
Liquid kg/s
0
0.0517
0
0
Noncondensable kg/s
0
0
Temperature(In/Out) °C
141.56
50
20
99.6
Dew/Bubblepoint °C
141.56
141.56
Density(Vap/Liq) kg/m3
1.6 /
/ 984.1
0.76/
0.59/
Viscosity mPa-s
0.0142/
/0.8229
0.009/
0.012/
Molecularwt,Vap
18.02
18.24
18.24
Molecularwt,NC
Specificheat kJ/(kg-K)
1.948/
/ 4.836
1.899/
1.84/
Thermalconductivity W/(m-K)
0.0282/
/0.6176
0.016/
0.023/
Latentheat kJ/kg
2395.5
2395.6
Pressure(abs) bar
3
2.99969
1
0.99702
Velocity (Mean/Max) m/s
0.28 / 1.28
12.31 / 14.06
Pressuredrop,allow./calc. bar
0.00345
0.00031
0.00345
0.00298
Foulingresistance(min) m2-K/W
0.00017
0.00034 0.00044Aobased
Heatexchanged 139.8 kW MTDcorrected 68.47°C
Transferrate,Service 37.7 Dirty 34.8Clean 35.6 W/(m2-K)
CONSTRUCTIONOFONESHELL
Sketch
ShellSide
TubeSide
Design/vac/testpressure:g bar
4 / /
3 / /
Designtemperature °C
135
135
Numberpassespershell
1
1
Corrosionallowance mm
3.18
3.18
Connections
In mm
1 90.1/ -
1 438.15 / -
Size/rating
Out
1 71.9/ -
1 438.15 / -
ID
Intermediate
/ -
/ -
TubeNo. 643 OD 19 Tks-Avg 2 mmLength1500 mm Pitch 25mm
Tubetype Plain #/mMaterial CarbonSteel
Tubepattern 30
Shell CarbonSteel ID 700 OD 750 mm
Shellcover -
Channelorbonnet CarbonSteel
Channelcover -
Tubesheet-stationary CarbonSteel
Tubesheet-floating -
Floatingheadcover -
Impingementprotection None
Baffle-cross CarbonSteel Type Singlesegme Cut(%d) 16H Spacing:c/c 300 mm
Baffle-long - Sealtype
Inlet 554.04 mm
Supportstube UBend 0 Type
Bypassseal Tube-tu