At the entrance of the oven, the exhaust air equipment discharges volatilized solvent in order to avoid exhaust gas participating in the second circulation and ensure safety.
烘箱入口处安装前置排风，可将初期挥发的溶剂排出，废气不参加二次循环，确保安全。
2
Determination methods of parameters which involved gas holdup, liquid circulation velocity, solid holdup, bubble behaviors etc in the loop reactor were introduced.
介绍了环流反应器流体力学参数的测定方法，这些参数包括气含率、循环液速、固含率、气泡大小及速度。
3
A method for calculating circulation efficiency of ideal gas is provided, and it is used for ellipse circulation.