基于低碳排放的超临界发电模型研究

Supercritical power generation technology is one of the new and high efficiency clean coal technology. The end of 2006, super (super)-critical generating units over 40 units, nearly 30000MW supercritical coal-fired generating units put into operation, including three sets 1000MW Ultra-supercritical generating units put into operation. At present, China is the most widely used supercritical generating units than any other country. In this paper, the establishment of supercritical power generation technology evaluation model is based on low-carbon emissions. The model building process taking into account the impact of coal quality on power generation efficiency, combined with a number of super-critical plant data to determine the model parameters. Through establishing supercritical power generation model based on low carbon emissions , calculate efficiency and CO2 emissions of different coal quality. The calculation results of the 600MW supercritical power generation evaluation model were: the boiler efficiency was 91.96%, the power generation efficiency was 44.20%, the power supply efficiency was 42.16%, the coal consumption of power supply was 291.40 gce/kWh，CO2 emission was 233.76 kg/GJ, CO2 emission concentration was 84350 mg/Nm3.