Heat Coil
Content
OOTCL
ZISHAN ENGINEERS (PVT) LTD.
Determination of Steam Requirement & Heating Coil Sizing For Insulated Fuel Oil Tank
Prepared By:
HZ
Checked By:
QAS
Date:
CONSULTANT:
EQUIPMENT:
CLIENT:
REVISION:
12/1/2012
ZISHAN ENGINEERS (PVT) LIMITED
Fuel Oil Tank
OOTCL
0
TANK DETAILS
Tank Height
Tank Diameter
Area of Tank Walls
Area of Tank Top
Tank Volume
Density of Fluid in Tank
Mass of Fluid in tank
OPERATING PARAMETERS
Specific Heat of Fluid in Tank
Initial Fluid Temperature (Inside Tank) T1
Final Fluid Temperature (Inside Tank) T2
Surrounding Air Temperature
Steam Quality
Temperature of Steam
Temperature of Steam at Saturation
Pressure of Steam
Latent Heat of Steam
Mean Temperature Difference
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
16.41
6.56
338
34
554.8
58.8
32,612
ft
ft
ft2
ft2
ft3
lb/ft3
lb
5
2
942.7
0.43 Btu/lb/F
95 F
212 F
95 F
Saturated Steam at 8 barg.
347.62 F
347.61 F
116 psig
872.97 BTU/Lb
194.1 F
.
HEAT TRANSFER RATES
Heat Transfer Rate (From Insulated Tank Walls to Air)
Heat Transfer Rate (From Insulated Tank Top to Air)
Heat Transfer Rates of Coil
=
=
=
0.83036 BTU/hr/ft2/F
0.505435 BTU/hr/ft2/F
21 BTU/hr/ft2/F
HEAT LOSS & STEAM REQUIREMENT
Heat Loss to Atmosphere from Tank Sides
Heat Loss to Atmosphere from Tank Top
Total Heating Requirement
Steam Requirement
=
=
=
=
32,856
2,000
102,790
118
COIL DETAILS
Tube O.D.
Outside Surface Area
Surface Required for Heating
Coil Length Required
=
=
=
=
1
0.622
25
41
m
m
Input Values
Calculated Values
kg/m3
(from Hysys, FO)
100 % Filled of Tank Volume
(from Hysys, FO)
35.0 C
100.0 C
35.0 C
175.3 C
175.3 C
107.8 C
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Ernest E. Ludwig Vol-3
BTU/hr
BTU/hr
BTU/hr
Lbs/hr
53 Kg/hr
in
ft2/ft of pipe length
ft2
ft
12 m
Note:
1. Heat transfer rates for atmospheric losses are taken for Wind Velocities of 36 Km/hr.
FILE: 317144381.xlsx
SHEET 5 OF 1
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
Determination of Steam Requirement & Heating Coil Sizing For Un-Insulated Fuel Oil Tanks
CONSULTANT:
EQUIPMENT:
CLIENT:
REVISION:
HZ
Checked By:
QAS
Date:
12/1/2012
ZISHAN ENGINEERS (PVT) LIMITED
Fuel Oil Tank
OOTCL
0
TANK DETAILS
Tank Height
Tank Diameter
Area of Tank Walls
Area of Tank Top
Tank Volume
Density of Fluid in Tank
Mass of Fluid in tank
OPERATING PARAMETERS
Specific Heat of Fluid in Tank
Initial Fluid Temperature (Inside Tank) T1
Final Fluid Temperature (Inside Tank) T2
Surrounding Air Temperature
Steam Quality
Temperature of Steam (super heated)
Temperature of Steam at Saturation
Pressure of Steam
Latent Heat of Steam
Mean Temperature Difference
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
HEAT TRANSFER RATES
Heat Transfer Rate (From Tank Walls to Air)
Heat Transfer Rate (From Tank Top to Air)
Heat Transfer Rates of Coil
=
=
=
HEAT LOSS & STEAM REQUIREMENT
Heat Loss to Atmosphere from Tank Sides
Heat Loss to Atmosphere from Tank Top
=
=
FILE: 317144381.xlsx
Prepared By:
85.31
65.62
17586
3382
288497.4
58.8
16,110,515
ft
ft
ft2
ft2
ft3
lb/ft3
lb
0.42 Btu/lb/F
104 F
104.001 F
50 F
Saturated Steam at 8 barg.
347.62 F
347.61 F
116 psig
872.97 BTU/Lb
243.6 F
8.3036 BTU/hr/ft2/F
5.05435 BTU/hr/ft2/F
21 BTU/hr/ft2/F
7,885,585
923,059
26
20
m
m
942.7
Input Values
Calculated Values
kg/m3
(from Hysys, FO)
95 % Filled of Tank Volume
(from Hysys, FO)
40.0 C
40.0 C
10.0 C
175.3 C
175.3 C
135.3 C
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Ernest E. Ludwig Vol-3
BTU/hr
BTU/hr
SHEET 2 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
Total Heating Requirement
Steam Requirement
=
=
8,808,926
10,091
COIL DETAILS
Tube O.D.
Outside Surface Area
Surface Required for Heating
Coil Length Required
=
=
=
=
2.375
0.622
1722
2768
BTU/hr
Lbs/hr
in
ft2/ft of pipe length
ft2
ft
4,578 Kg/hr
844 m
Note:
1. Heat transfer rates for atmospheric losses are taken for Wind Velocities of 36 Km/hr.
FILE: 317144381.xlsx
SHEET 3 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
FILE: 317144381.xlsx
SHEET 4 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
FILE: 317144381.xlsx
OOTCL
SHEET 5 OF 5
ZISHAN ENGINEERS (PVT) LTD.
Determination of Steam Requirement & Heating Coil Sizing For Insulated Fuel Oil Tank
Prepared By:
HZ
Checked By:
QAS
Date:
CONSULTANT:
EQUIPMENT:
CLIENT:
REVISION:
12/1/2012
ZISHAN ENGINEERS (PVT) LIMITED
Fuel Oil Tank
OOTCL
0
TANK DETAILS
Tank Height
Tank Diameter
Area of Tank Walls
Area of Tank Top
Tank Volume
Density of Fluid in Tank
Mass of Fluid in tank
OPERATING PARAMETERS
Specific Heat of Fluid in Tank
Initial Fluid Temperature (Inside Tank) T1
Final Fluid Temperature (Inside Tank) T2
Surrounding Air Temperature
Steam Quality
Temperature of Steam
Temperature of Steam at Saturation
Pressure of Steam
Latent Heat of Steam
Mean Temperature Difference
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
16.41
6.56
338
34
554.8
58.8
32,612
ft
ft
ft2
ft2
ft3
lb/ft3
lb
5
2
942.7
0.43 Btu/lb/F
95 F
212 F
95 F
Saturated Steam at 8 barg.
347.62 F
347.61 F
116 psig
872.97 BTU/Lb
194.1 F
.
HEAT TRANSFER RATES
Heat Transfer Rate (From Insulated Tank Walls to Air)
Heat Transfer Rate (From Insulated Tank Top to Air)
Heat Transfer Rates of Coil
=
=
=
0.83036 BTU/hr/ft2/F
0.505435 BTU/hr/ft2/F
21 BTU/hr/ft2/F
HEAT LOSS & STEAM REQUIREMENT
Heat Loss to Atmosphere from Tank Sides
Heat Loss to Atmosphere from Tank Top
Total Heating Requirement
Steam Requirement
=
=
=
=
32,856
2,000
102,790
118
COIL DETAILS
Tube O.D.
Outside Surface Area
Surface Required for Heating
Coil Length Required
=
=
=
=
1
0.622
25
41
m
m
Input Values
Calculated Values
kg/m3
(from Hysys, FO)
100 % Filled of Tank Volume
(from Hysys, FO)
35.0 C
100.0 C
35.0 C
175.3 C
175.3 C
107.8 C
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Ernest E. Ludwig Vol-3
BTU/hr
BTU/hr
BTU/hr
Lbs/hr
53 Kg/hr
in
ft2/ft of pipe length
ft2
ft
12 m
Note:
1. Heat transfer rates for atmospheric losses are taken for Wind Velocities of 36 Km/hr.
FILE: 317144381.xlsx
SHEET 5 OF 1
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
Determination of Steam Requirement & Heating Coil Sizing For Un-Insulated Fuel Oil Tanks
CONSULTANT:
EQUIPMENT:
CLIENT:
REVISION:
HZ
Checked By:
QAS
Date:
12/1/2012
ZISHAN ENGINEERS (PVT) LIMITED
Fuel Oil Tank
OOTCL
0
TANK DETAILS
Tank Height
Tank Diameter
Area of Tank Walls
Area of Tank Top
Tank Volume
Density of Fluid in Tank
Mass of Fluid in tank
OPERATING PARAMETERS
Specific Heat of Fluid in Tank
Initial Fluid Temperature (Inside Tank) T1
Final Fluid Temperature (Inside Tank) T2
Surrounding Air Temperature
Steam Quality
Temperature of Steam (super heated)
Temperature of Steam at Saturation
Pressure of Steam
Latent Heat of Steam
Mean Temperature Difference
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
HEAT TRANSFER RATES
Heat Transfer Rate (From Tank Walls to Air)
Heat Transfer Rate (From Tank Top to Air)
Heat Transfer Rates of Coil
=
=
=
HEAT LOSS & STEAM REQUIREMENT
Heat Loss to Atmosphere from Tank Sides
Heat Loss to Atmosphere from Tank Top
=
=
FILE: 317144381.xlsx
Prepared By:
85.31
65.62
17586
3382
288497.4
58.8
16,110,515
ft
ft
ft2
ft2
ft3
lb/ft3
lb
0.42 Btu/lb/F
104 F
104.001 F
50 F
Saturated Steam at 8 barg.
347.62 F
347.61 F
116 psig
872.97 BTU/Lb
243.6 F
8.3036 BTU/hr/ft2/F
5.05435 BTU/hr/ft2/F
21 BTU/hr/ft2/F
7,885,585
923,059
26
20
m
m
942.7
Input Values
Calculated Values
kg/m3
(from Hysys, FO)
95 % Filled of Tank Volume
(from Hysys, FO)
40.0 C
40.0 C
10.0 C
175.3 C
175.3 C
135.3 C
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Ernest E. Ludwig Vol-3
BTU/hr
BTU/hr
SHEET 2 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
Total Heating Requirement
Steam Requirement
=
=
8,808,926
10,091
COIL DETAILS
Tube O.D.
Outside Surface Area
Surface Required for Heating
Coil Length Required
=
=
=
=
2.375
0.622
1722
2768
BTU/hr
Lbs/hr
in
ft2/ft of pipe length
ft2
ft
4,578 Kg/hr
844 m
Note:
1. Heat transfer rates for atmospheric losses are taken for Wind Velocities of 36 Km/hr.
FILE: 317144381.xlsx
SHEET 3 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
OOTCL
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
From Spirax Sarco Module "Energy Consumption of Tanks and Vats"
FILE: 317144381.xlsx
SHEET 4 OF 5
ZISHAN ENGINEERS (PVT.) LTD.
FILE: 317144381.xlsx
OOTCL
SHEET 5 OF 5
