300MW循环流化床气固流动及燃烧过程数值模拟研究及工程应用

Numerical Simulation Research on Gas-solid Flow and Combustion Process of 300MW Circulated Fluidized Bed and Related Engineering Applications

基于计算颗粒流体动力学(computational particle fluid dynamics,CPFD)数值模拟方法,开展了300 MW循环流化床(circulating fluidized bed,CFB)锅炉数值模拟研究。通过现场试验获得了数值模拟的关键参数,数值模拟与现场试验结果的对比验证了数值模拟结果的有效性。在此基础上,对循环流化床炉内气固流动特性、温度场分布规律等进行了分析,为现场优化运行提供了理论基础。

On the basis of computational particle fluid dynamics（CPFD）numerical simulation method,this paper makes numerical simulation research on300 MW circulating fluidized bed（CFB）boiler.According to field test,it obtains key parameters of numerical simulation and comparison result about numerical simulation and field test has verified effectiveness of numerical simulation.Furthermore,it analyzes gas-solid flow characteristic,distribution law of temperature filed in the CFB boiler,which has provided theoretical basis for field optimized operation.