In view of the complicated gas-solid two-phase flow in five-stage cyclone preheater system,DPM model was applied to simulate the two-phase flow field of C5 part.

• 针对旋风筒内复杂的气固两相湍流运动,采用DPM模型对五级旋风预热器的C5部分进行了数值模拟,通过对结果的研究,得出了旋风筒内气固运动的规律,并在计算的基础上对颗粒的运动规律进行了探讨。