2. Control operating point reasonablyThe change of the fan operation condition has a great influence for gas-solid two-phase flow inside the impeller.
|Centrifugal fan in cement plant by xianrun blower|
When airflow deviates from the designing flow of the fan, the particle trajectory in the centrifugal fan will change, and the impact position of dust particles on the plate cover and blades will move move back and forth, so that wear changes accordingly.
In general, when the actual flow skews to small airflow, it benefits to decrease the impeller wear. When the deviation is serious for the design point, it will increase the fan wear. Therefore, it needs to optimize and control the operating point reasonably.
|high pressure centrifugal fan in cement plant by xianrun blower|
For the general centrifugal fan, when the minimum flow is equal to 80% of design flow rate, it benefits to decrease fan wear.
|centrifugal fan in cement plant|