Stainless Steel Industrial Centrifugal Fan Backward Inclined Blower For Cooling Systems

High capacity exhaust fan backward inclined centrifugal fan repair and maintenance maintenance of bearing

Causes of faults in fan operation

The fan vibrates violently:

The fan shaft is different from the motor shaft.

The stiffness of the base or overall scaffold was insufficient.

Loose impeller bolts or rivet and deformation of impeller.

The impeller shaft disc hole is loose with the shaft.

The connection bolts of the casing, bearing housing and support, bearing housing and bearing cover are loose.

Ash accumulation, dirt, blade wear, impeller deformation shaft bending make the rotor unbalanced.

The fan inlet and outlet pipes are poorly installed, resulting in resonance.

Bearing temperature rise is too high:

The bearing box vibrates strongly, the grease or oil is of poor quality, deteriorated, and contains impurities such as dust, sand, dirt, or improper filling.

The shaft and rolling bearing are installed skew, and the front and rear bearings are different.

The outer ring of the rolling bearing rotates. ( Friction with bearing box )

The inner ring of rolling bearing rotates relative to the spindle (i.e. running the friction between the inner ring and the spindle)

Rolling bearing damage or shaft bending.

Key Features 

• Impeller diameter: 90~3500 mm 
• Speed of mainshaft: 560~2900 rpm
• Pressure range: 3000~25425 Pa
• Flow range: 1297~83305 m3/h
• Air Temperature: 20~1000 Celsius degree

• Material: Cast Iron, Carbon Steel, Stainless Steel.

• Efficiency: 80%-90%

Please advise us the USAGE and following Parameter.Our engineering Dept will recommend the most suitable product for you.