The gas flow field in the vortex quick separation system with a inner cylinder for fluid catalytic cracking gas disengaging was measured by an intelligent five-hole probe.

• 用智能型五孔探针对催化裂化沉降器带筒状物的旋流快分系统(在旋流头上插入了一个筒状物)内的气体流场进行了测试。