What Should Be Paid Attention To When The Centrifugal Fan Is Running?
There are some things to pay attention to when the centrifugal fan is running. Let's take a look at the details of what they need to pay attention to.
1. Pay attention to the temperature and lubrication cooling condition of the centrifugal fan bearings.
- Rolling bearing pressure oil lubrication: the normal temperature of the bearing should be less than 60℃, 70℃ is allowed, the inlet oil temperature is 35℃-45℃, the outlet oil temperature is 55℃-65℃, and the temperature rise is less than 40℃
- Rolling bearing grease lubrication: the normal temperature of the bearing should be less than 70℃, 80℃ is allowed, the inlet oil temperature is 35℃-45℃, the outlet oil temperature is 55℃-65℃, and the temperature rise is less than 40℃
- Sliding bearing: the normal temperature of the bearing should be less than 70℃, 80℃ is allowed, the inlet oil temperature is 35℃-45℃, the outlet oil temperature is 55℃-65℃, and the temperature rise is less than 40℃
- Sliding bearing: the normal temperature of the bearing should be less than 65℃, 70℃ is allowed, the inlet oil temperature is 35℃-45℃, the outlet oil temperature is 55℃-65℃, and the temperature rise is less than 35℃
2. Pay attention to the vibration and impact noise of the unit. Use a vibration meter to check the amplitude of the bearing seat frequently. Listen carefully to whether there are bumps and other sounds inside the machine.
3. Use an ammeter to monitor the motor load. Do not allow the centrifugal fan to operate under a high load for a long time.
4. For centrifugal fans such as dust exhaust and coal powder, check whether the changes in dust and ash particles meet the use requirements of the centrifugal fan.
5. For heat-resistant centrifugal fans, pay attention to the changes in gas temperature to see if it exceeds the maximum temperature allowed by the centrifugal fan.
