Analysis and solution of vibration of coal mill
· The model of coal mill induced draft fan of a company is W4 73 15NO19F the air volume is 100000m³/h the wind pressure is 2200Pa the rated current is 28A the design speed is 960r/min the motor power is 250kW and the actual operating current is 19 20A The fan is generally stable at the beginning of operation and the vibration of the fan bearing house is generally about /s