Kolmetz.com Testing MVGT Page 32
Table 4. (English Unit)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System 100 and 165 psia
Run Number
20822
20825
20846
20847
20848
Run Type
FL
FL
FL
FL
FL
Column Pressure:
psia
100.2
100.0
164.9
165.3
165.0
Reboiler Duty
M Btu/h
10.34
9.54
9.02
10.24
8.38
Condenser Duty
M Btu/h
9.35
8.70
7.96
9.12
7.54
Heat Loss
M Btu/h
0.00
0.00
0.00
0.00
0.00
Reflux Rate
k lb/h
70.65
66.66
58.10
66.26
53.95
Feed Rate
k lb/h
66.04
107.99
89.95
47.86
119.91
Feed Location
Top
Top
Top
Top
Top
Pressure Drops:
inch Hot Liq/Tray
Overall (Trays 1-8)
7.47
8.61
7.84
8.38
5.81
Bottom (Trays 1-4)
6.88
6.73
6.00
6.54
5.79
Top (Trays 5-8)
8.00
10.52
9.68
10.25
5.86
Tray 7
9.20
11.32
10.35
10.74
6.32
Tray 8
6.16
11.97
9.74
10.81
5.08
Holdup by Bubblers
inch Hot Liq
Tray 3 DC
12.13
13.35
13.48
12.91
14.32
Tray 5 DC
13.26
14.17
14.29
14.72
14.23
Tray 7 DC
15.67
22.34
24.26
23.03
14.08
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
9.34
5.06
4.52
Tray 5 DC Backup
Temperature Profiles
o
F
Accumulator tank
124.6
122.7
139.2
135.8
137.6
Reflux
124.6
123.1
139.2
135.9
137.9
Overhead Vapor
135.3
136.2
177.2
176.3
177.3
Tray 8 inlet
133.0
133.5
167.1
159.6
170.3
Tray 8 outlet
135.5
136.5
177.0
176.0
177.1
Tray 7 outlet
136.0
136.9
178.0
177.3
177.9
Tray 6 outlet
136.4
137.2
178.2
177.7
178.1
Tray 5 outlet
136.7
137.4
178.5
178.1
178.3
Tray 4 outlet
137.1
137.7
178.7
178.5
178.4
Tray 3 outlet
137.6
138.0
179.1
179.1
178.8
Tray 2 outlet
137.7
138.0
179.1
179.3
178.7
Tray 1 outlet
138.3
138.5
179.4
179.8
178.8
Bottoms
139.7
139.6
180.7
181.2
180.3
Reboiler vapor
139.8
139.6
180.9
181.4
180.3
Feed
139.5
139.5
179.4
179.7
180.0
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
Mol % iC4
37.04
34.16
30.57
32.61
30.30
Temperature
o
F
136.9
137.5
178.6
178.3
178.4
Liquid Density
lb/ft
3
32.54
32.55
30.45
30.43
30.47
Vapor Density
lb/ft
3
1.015
1.016
1.796
1.803
1.790
Vapor Rate
k lb/h
76.82
70.50
75.06
85.46
68.93
Liquid Rate
gpm
547.4
683.6
675.5
546.2
772.6
Fs
ft/s(lb/ft
3
)
0.5
1.685
1.546
1.238
1.406
1.139
Capacity Factor, Cs
ft/s
0.300
0.275
0.231
0.263
0.213
Capacity Factor, Cb
ft/s
0.423
0.387
0.325
0.370
0.299
Tray pressure drop
inch Hot Liq/ Tray
7.47
8.61
7.84
8.38
5.81
L/V Ratio
1.86
2.53
2.20
1.56
2.74
