Trying to diagnose some vibration issues here in a large Combustion Air Fan with a VFD driven electric motor. Bearings are oil lubricated rolling bearings. Frame is rigidly bolted to a concrete foundation and properly shimmed. Rotating frequency is 3042 rpm maximum, and rated frequency of 2982...
We have a coal hammer mill. It reduces coal size from 50 mm to 1 mm. We have been observing air on the top of the hammer mill and it feels like hammer mill is operating as a propellar?
Is it possible, if so, how to control it?
I have attached the PNID of the coal system.
Hello everyone,
I was wondering if anyone could help me with calculating the flow of air through a 12 DN SS pipe. The compressed air header is at 9.5 barg. I am not completely familiar with the calculations needed for this and would appreciate some guidance. Any advice or resources you could...
