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- W2577950433 abstract "An improved method is proposed in this paper to better calculatethe power supply coal consumption of coal-fired cogeneration unit,which eliminates the problem that the power supply coal consumptionis strongly affected by the extraction steam parameters and flow usingthe original calculation method. Through in-depth analysis of thecogeneration unit steam power cycle, a transform calculation methodof power supply coal consumption and heating supply coal consumptionfor cogeneration unit is established. Using this transform methodto calculate power supply coal consumption of cogeneration unit isequivalent to dividing the heating unit into two parts, i.e., purecondensing power generation and back pressure cogeneration. The powersupply coal consumption of pure condensing power generation part couldbe calculated by deducting the amount of electricity and of heatingabsorption of back pressure cogeneration part from the cogenerationunit. It can be used as the deductible transform power supply coalconsumption of cogeneration unit. For example, the values of powersupply coal consumption and heating supply coal consumption of two350 MW supercritical cogeneration units are calculated in this paper.Affected by the efficiency of the turbine, the transform power supplycoal consumption of unit 1 increases with the heating increase, whilethe transform power supply coal consumption of unit 2 decreases slightlywith the heating increase. The transform heating coal consumptionof two units is less than the result calculated from original calculationmethod. The results with the improved method can better reflect theenergy efficiency of the unit equipment and plant management level." @default.
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- W2577950433 date "2016-11-23" @default.
- W2577950433 modified "2023-09-27" @default.
- W2577950433 title "Calculation method research of power supply coal consumption of coal-fired cogeneration unit" @default.
- W2577950433 doi "https://doi.org/10.1360/n092015-00236" @default.
- W2577950433 hasPublicationYear "2016" @default.
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