A centrifugal fan is a mechanical device that uses input mechanical kinetic energy to increase air pressure and deliver steam. It is a type of driven fluid machinery. To operate centrifugal fans more stably, it is necessary to grasp the difficult and common problems of centrifugal fans.

Centrifugal fan is a mechanical device that relies on input mechanical energy to increase gas pressure and discharge gas. It is a type of driven fluid machinery. To better control centrifugal fans, it is necessary to master the common problems and precautions of centrifugal fans:

The temperature of the bearing shell of the centrifugal fan should not exceed 65 ℃. If the temperature of the bearing shell exceeds 70 ℃, the machine should be stopped immediately to check whether there is wear on the surface of the bearing shell, and scraping should be carried out. The contact point on the surface of the bearing shell should reach 2-3 points/cm2. The return oil temperature of the centrifugal fan bearing should be between 50-60 ℃. If it exceeds 65 ℃, it may cause the bearing shell temperature to overheat; If the temperature is below 40 ℃, it may cause excessive clearance between the bearing shells. The water pressure of the oil cooler should be lower than the oil pressure to prevent cooling water from leaking into the lubricating oil and causing oil deterioration. It is necessary to regularly check whether there are oil droplets in the cooling water of the centrifugal fan. If there are oil droplets, they should be quickly switched to the backup cooler and the leaking oil cooler core should be replaced.