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Daily maintenance and maintenance of fan

Issuing time:2018-03-28 15:50
The impeller is the rotating part of the fan and its function is to transport the gas through the fan to the outlet.For example, it consists of a rear disk, a forward disk with an inlet ring, and a bl...

The impeller is the rotating part of the fan and its function is to transport the gas through the fan to the outlet.For example, it consists of a rear disk, a forward disk with an inlet ring, and a blade.The blade is composed of arc plate blades with a large radius of curvature.At the beginning of the impeller and all regular check, as long as there is a chance, must check whether the impeller is reliable fixed to the shaft shoulder, impeller whether any defects such as cracks, wear, and dust.Whenever possible, the impeller must be kept clean and regularly brushed with steel wire to remove dust and rust.As the running time increases, it is impossible for these dust particles to be uniformly attached to the impeller, causing the impeller balance to be damaged, causing the rotor to fluctuate.

As long as the impeller is repaired, it needs to be rebalanced.All tightening bolts must be checked for tightness before balancing.Because the impeller has been operating in an unbalanced state for some time, these bolts may have been loose.

Check the axial position of the impeller according to the fan installation profile and the size of the impeller inlet ring inserted by the collector.Check the radial clearance between the collector and the impeller inlet ring. If necessary, adjust the collector or housing to get the correct clearance space.This ensures that the side plate of the housing inlet box is in the correct position relative to the spindle and spindle seal.Check and ensure that the position of the inlet and outlet terminals of the housing and inlet box meets the requirements of the drawing and the connecting pipe.

Repair and maintenance of machine case and air inlet chamber

Periodically check all fastening bolts for fastening. Press the butterfly spring on the ground foot to the installation height specified in the drawing.

Iii. Mainshaft and coupling maintenance

If the fan is running in an unbalanced state for a period of time, the flatness of the main shaft should be checked as much as possible.The coupler shall be kept clean and the coupling fastening shall be checked regularly.

Maintenance of bearing department

Bearing lubricants should be replaced at least once in half a year when they are normally used.

In addition to maintenance and repair, daily inspection matters are more important for fans. The following are daily inspection matters of fans provided by professional technical personnel of zhongnan blower in jiangsu province:

1. Before starting the fan, clean the internal foreign matter of the fan, check whether the spindle is loose, and open the device with any abnormality;

3, fan is running, check the fan to have abnormal sound, check the shutter open Angle less than 90 degrees and the shutter of dust to clean up every day, avoid air leakage serious shutter cover is lax to affect the work efficiency.

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