Research Article
Optimal Hierarchical Decision-Making for Heat Source Selection of District Heating Systems
Table 4
The operation parameters of alternatives.
| | Items | Oil-fired
boiler | Gas-fired
boiler | Coal-fired
boiler | Ground source
heat pump | Water source
heat pump |
| | Rated heat capacity (MW) | 4.2 | 4.2 | 5.6 | 2.8 | 2.8 | | Temperature difference between supply water and return water (°C) | 20 | 20 | 20 | 10 | 10 | | Energy source | Oil/electric power | Gas/electric power | Coal/electric power | Geothermy/electric power | Water/electric power | | Fuel consumption (Kg/h) | 393 | 480 (m3/h) | 1120 | — | — | | Rated power consumption (Kw) | 18.5 | 18.5 | 12.5 | 757 | 660 | | Power consumption of accessory equipment (Kw) | 37 | 37 | 65 | 85 | 90 |
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