Kolmetz.com Testing MVGT Page 31
Table 3. (English Unit) (cont'd)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 165 psia
Run Number
20839
20838
20841
20840
20842
20843
20823
20824
Run Type
TR
TR
TR
TR
TR
TR
FT
FT
Column Pressure:
psia
164.8
165.1
164.9
165.0
165.0
165.1
164.7
164.7
Reboiler Duty
M Btu/h
10.61
10.61
11.24
11.23
11.54
11.54
11.73
11.73
Condenser Duty
M Btu/h
9.37
9.45
10.04
9.86
10.20
10.20
10.53
10.53
Heat Loss
M Btu/h
0.08
0.07
0.14
0.10
0.08
0.08
0.03
0.03
Reflux Rate
k lb/h
73.63
73.99
75.60
75.57
77.57
77.53
87.94
86.63
Feed Rate
k lb/h
59.78
59.89
60.01
59.94
59.94
59.91
66.01
65.96
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
inch Hot Liq/Tray
Overall (Trays 1-8)
5.03
5.02
5.79
5.75
6.49
6.51
8.81
8.76
Bottom (Trays 1-4)
4.96
4.96
5.58
5.55
6.14
6.15
7.01
7.02
Top (Trays 5-8)
5.10
5.10
6.00
5.94
6.82
6.84
10.62
10.54
Tray 7
5.17
5.19
6.23
6.19
7.25
7.29
11.05
11.01
Tray 8
5.17
5.17
5.66
5.63
5.93
5.95
11.86
11.55
Holdup by Bubblers
inch Hot Liq
Tray 3 DC
8.30
8.28
9.54
9.52
10.86
10.86
12.38
12.40
Tray 5 DC
7.66
7.64
9.27
9.21
11.03
11.07
14.03
14.03
Tray 7 DC
8.45
8.48
10.27
10.19
12.24
12.30
21.06
21.04
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
4.26
4.87
Tray 5 DC Backup
7.14
9.95
Temperature Profiles
o
F
Accumulator tank
144.8
146.4
138.1
139.2
136.2
135.9
150.0
150.1
Reflux
144.5
146.0
137.4
138.7
135.9
135.6
150.1
150.2
Overhead Vapor
171.0
171.2
169.8
171.3
170.7
170.7
171.3
171.3
Tray 8 inlet
156.5
157.4
151.0
152.5
150.3
150.2
157.2
157.5
Tray 8 outlet
171.5
171.6
170.7
171.9
171.5
171.5
171.2
171.2
Tray 7 outlet
173.2
173.4
172.9
173.8
173.6
173.6
172.9
172.9
Tray 6 outlet
174.7
174.9
174.3
175.2
174.9
174.8
174.2
174.2
Tray 5 outlet
176.2
176.4
175.8
176.7
176.3
176.3
175.4
175.4
Tray 4 outlet
177.6
177.7
177.1
178.0
177.5
177.5
176.5
176.5
Tray 3 outlet
179.0
179.1
178.6
179.4
178.9
178.9
177.8
177.8
Tray 2 outlet
179.8
180.0
179.5
180.4
179.9
179.9
178.6
178.6
Tray 1 outlet
181.0
181.1
180.6
181.4
180.8
180.8
179.8
179.7
Bottoms
182.4
182.6
182.2
182.9
182.7
182.7
181.6
181.5
Reboiler vapor
182.7
182.8
182.4
183.1
182.7
182.7
181.7
181.6
Feed
180.5
180.9
178.9
180.6
180.6
180.7
181.0
180.9
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
Mol % iC4
36.15
35.81
35.58
35.76
37.49
37.43
40.89
40.98
Temperature
o
F
176.9
177.0
176.4
177.3
176.9
176.9
176.0
175.9
Liquid Density
lb/ft
3
30.44
30.44
30.47
30.42
30.41
30.41
30.39
30.40
Vapor Density
lb/ft
3
1.794
1.796
1.781
1.802
1.804
1.804
1.805
1.804
Vapor Rate
k lb/h
88.19
88.23
92.76
93.32
96.15
96.16
98.34
98.34
Liquid Rate
gpm
361.2
361.4
379.5
382.5
394.2
394.2
403.4
403.4
Fs
ft/s(lb/ft
3
)
0.5
1.455
1.455
1.536
1.536
1.582
1.582
1.618
1.618
Capacity Factor, C
S
ft/s
0.272
0.272
0.287
0.287
0.296
0.296
0.303
0.303
Capacity Factor, C
B
ft/s
0.383
0.383
0.404
0.404
0.416
0.416
0.426
0.426
Efficiency (Trays 1 & 7 Compositions)
98.8
100.1
97.9
98.3
91.3
92.1
75.0
75.2
Efficiency (Trays 1-7 slope)
98.9
100.5
98.0
97.9
90.7
91.0
72.0
74.7
Tray pressure drop
inch Hot Liq/ Tray
5.03
5.02
5.79
5.75
6.49
6.51
8.81
8.76
Relative Volatility
1.231
1.231
1.232
1.231
1.231
1.231
1.231
1.231
