Abstract
Coal-fired to generate electric power is the primary method in China and it occupies about 80% generation portions. Therefore, it is necessary to increase power generation efficiency and reduce related pollution in order to conserve energy and resources. In certain regions of China, energy saving oriented dispatch is under test, which only uses coal consumption rate for power supply as the indicator of energy saving. But coal consumption rate for power supply itself doesn’t show the whole picture of energy saving and emission reduction of coal combustion power plants. This paper selects the coal consumption for power supply, SO2 and NOx emission, EAF, net loss and water consumption as the energy-saving dispatching index, adopts emergy analysis method, carries the order integrate index, provides the reference for energy-saving dispatching.
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