Steam Pipes - Fuel Consumption due to Heat Losses over a Year
Yearly heat loss in amount of coal or oil consumption for insulated and uninsulated steam pipes at different dimensions and operation times.
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Yearly heat loss per meter pipe line is estimated for steam pipes with pressure 6.5 bar (7.5 bar abs, 168oC) and surrounding air temperature 20 oC.
Increasing the steam pressure increases the temperature and influences energy consumption and heat loss.
For full table with Insulated Oil Pipes - rotate the screen!
| Pipe dimension (mm) | Heat Loss (W/m) | Production time (hours) | Fuel Consumption | |||
|---|---|---|---|---|---|---|
| Coal (kg/m) | Oil (kg/m) | |||||
| Uninsulated | Insulated | Uninsulated | Insulated | |||
| 25 | 313 | 2000 | 119 | 30 | 59 | 15 |
| 6000 | 357 | 89 | 178 | 45 | ||
| 8400 | 505 | 126 | 253 | 64 | ||
| 32 | 430 | 2000 | 166 | 42 | 82 | 21 |
| 6000 | 500 | 125 | 265 | 62 | ||
| 8400 | 699 | 174 | 349 | 88 | ||
| 50 | 529 | 2000 | 202 | 50 | 101 | 25 |
| 6000 | 607 | 152 | 303 | 76 | ||
| 8400 | 755 | 189 | 378 | 92 | ||
| 80 | 748 | 2000 | 297 | 74 | 149 | 37 |
| 6000 | 892 | 223 | 446 | 111 | ||
| 8400 | 1249 | 312 | 625 | 156 | ||
| 100 | 940 | 2000 | 327 | 82 | 164 | 42 |
| 6000 | 981 | 245 | 491 | 131 | ||
| 8400 | 1517 | 379 | 758 | 190 | ||
- Steam properties
- 1 W/m = 1.04 Btu/h per ft
- 1 in = 25.4 mm
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Related Topics
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Heat Loss and Insulation
Steam and condensate pipes - heat loss uninsulated and insulated pipes, insulation thickness and more. -
Steam and Condensate
Steam & condensate systems- properties, capacities, pipe sizing, systems configuration and more.
Related Documents
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Steam Pipes - Heat Losses
The amount of condensate generated in a steam pipe depends on the heat loss from the pipe to the surroundings. -
Steam Pipes - Heat Losses (W/m)
Heat losses from un-insulated steam pipes.
