Kolmetz.com Testing MVGT Page 39
Table 4. (SI Unit)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 6.9 and 11.4 bar
Run Number
20822
20825
20846
20847
20848
Run Type
FL
FL
FL
FL
FL
Column Pressure
bar
6.91
6.89
11.37
11.40
11.38
Reboiler Duty
MW
3.030
2.795
2.642
3.000
2.455
Condenser Duty
MW
2.738
2.547
2.331
2.671
2.208
Heat Loss
MW
0.000
0.000
0.000
0.000
0.000
Reflux Rate
kg/s
8.90
8.40
7.32
8.35
6.80
Mass Feed Flow Rate
kg/s
8.32
13.61
11.33
6.03
15.11
Feed Location
Top
Top
Top
Top
Top
Pressure Drops:
mm Hot Liq/Tray
Overall (Trays 1-8)
190
219
199
213
148
Bottom (Trays 1-4)
175
171
152
166
147
Top (Trays 5-8)
203
267
246
260
149
Tray 7
234
287
263
273
161
Tray 8
156
304
247
274
129
Holdup by Bubblers
mm Hot Liq
Tray 3 DC
308
339
342
328
364
Tray 5 DC
337
360
363
374
362
Tray 7 DC
398
568
616
585
358
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
237
129
115
Tray 5 DC Backup
Temperature Profiles
o
C
Accumulator tank
51.4
50.4
59.6
57.6
58.7
Reflux
51.4
50.6
59.6
57.7
58.8
Overhead Vapor
57.4
57.9
80.7
80.2
80.7
Tray 8 inlet
56.1
56.4
75.1
70.9
76.8
Tray 8 outlet
57.5
58.1
80.6
80.0
80.6
Tray 7 outlet
57.8
58.3
81.1
80.7
81.0
Tray 6 outlet
58.0
58.4
81.2
80.9
81.2
Tray 5 outlet
58.1
58.6
81.4
81.2
81.3
Tray 4 outlet
58.4
58.7
81.5
81.4
81.4
Tray 3 outlet
58.6
58.9
81.7
81.7
81.6
Tray 2 outlet
58.7
58.9
81.7
81.8
81.5
Tray 1 outlet
59.1
59.2
81.9
82.1
81.6
Bottoms
59.9
59.8
82.6
82.9
82.4
Reboiler vapor
59.9
59.8
82.7
83.0
82.4
Feed
59.7
59.7
81.9
82.1
82.2
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
mol% iC4
37.04
34.16
30.57
32.61
30.30
Temperature
o
C
58.3
58.6
81.4
81.3
81.3
Liquid Density
kg/m
3
521.2
521.5
487.8
487.4
488.1
Vapor Density
kg/m
3
16.251
16.272
28.776
28.888
28.669
Vapor Rate
kg/s
9.679
8.884
9.458
10.767
8.685
Liquid Rate
m
3
/h
124.34
155.26
153.43
124.06
175.48
Fs
m/s (kg/m
3
)
0.5
2.056
1.886
1.510
1.715
1.389
Capacity Factor, Cs
m/s
0.092
0.084
0.070
0.080
0.065
Capacity Factor, Cb
m/s
0.129
0.118
0.099
0.113
0.091
Tray pressure drop
mm Hot Liq / tray
190
219
199
213
148
L/V Ratio
1.86
2.53
2.20
1.56
2.74
