Three-dimensional gas flow field in vortex quick separator of FCC disengager was numerically simulated by RSM model provided by CFX soft.

• 采用CFX软件和RSM模型对催化裂化沉降器旋流快分器内的三维流场进行了数值模拟,并且用标量输运方程研究了气体在旋流快分器内停留时间的分布规律。