1、轴流风机一般情况下建议前导叶开度在20%以上运行。在小开度运行时，应注意监视风机振动速度（或振幅）的变化情况，若振动异常（超过报警值），则应调节前导叶，直至振动正常为止。 1, the axial opening leading suggestions in more than 20% operating fan general. A small opening in the operation, should pay attention to monitoring the fan vibration velocity (or amplitude) changes, if abnormal vibration (exceeds the alarm value), should adjust front leaves, until the normal vibration so far. 2、绝对不允许在前隔绝门或后隔绝门关闭状况下运行（会造成风机喘振），在隔绝门关闭状况下启动风机是可以的，但是，起动完成后应迅速打开隔绝门。 2, must not be allowed to run in isolation before or after isolation valve closing conditions (causing fan surge), the isolation valve closing conditions of the fan can be started, but the start should be completed after quickly open the isolation valve. 3、停机时，不允许在关断主电机后马上关闭前后隔绝门，应等到风机停止运行后（或主电机断电5-10分钟后）才关闭前后隔绝门。 3, stop, do not allow isolation in the off immediately before and after the closure of the main motor, should wait until the fan stops running (or the main motor power off after 5-10 minutes) before and after the isolation valve closes. 4、轴流风机在用作脱硫增压风机时，若要单独调试脱硫系统，则应关闭增压风机进口烟道隔绝门，并在增压风机进口与进口烟道隔绝门之间取掉一段管道，其环形通流面积不得小于管道的正常通流面积。 4, the axial flow fan used in desulfurization booster fan, if you want to debug desulfurization system, you should close the booster fan inlet flue isolation valve, and the booster fan inlet and inlet flue isolation door between removing a section of pipe, the normal flow area shall not be less than the circular pipe flow area. 5、增压风机进、出口管道上需设置前后隔绝门，如未设置后隔绝门，一旦脱硫岛停运，脱硫系统的冷凝汽倒灌入增压风机内，形成腐蚀酸液，导致增压风机的重要零部件（如前导叶、叶轮等）被腐蚀，将造成严重后果。 5, booster fan inlet and outlet pipe should be set before and after the isolation valve, such as not set after isolation, once the FGD desulphurization system outage, condensing steam enters the booster fan, the formation of corrosive acid, resulting in important parts of the booster fan (such as front leaves and impeller etc.) will be corrosion, causing serious consequences. 6、增压风机每次停运后再启动前，一定要对风机可调前导叶进行清理（清淤），并检查其磨损和腐蚀情况。 6. When the booster fan starts again after each outage, the fans must be allowed to adjust the leading blades for cleaning (dredging), and check their wear and corrosion. 7、轴流风机一般情况下建议前导叶开度在20％以上运行。 7, the axial opening leading suggestions in more than 20% operating fan general.