Do you know the adjustment method of noise and clearance of Roots blower?
2021-11-02
Summary
Do you know some methods of adjusting the noise and clearance of Roots blower Methods of noise resolution and clearance adjustment when using Roots blowers Roots blower motor overload reasons: 1. The pressure difference is larger than the specified pressure, that is, the back pressure or the inlet pressure is large; 2. Compared with the flow required by the equipment, the pressure becomes larger due to the excessive flow of the fan; 3. Inlet filter blockage, outlet pipeline failure or blockage;
You know aboutRoots blowerSome Methods of Noise and Gap Adjustment
UseRoots blowerThe method of noise resolution and gap adjustment.
Roots blowerReasons for motor overload:
1. The pressure difference is larger than the specified pressure, that is, the back pressure or the inlet pressure is large;
2. Compared with the flow required by the equipment, the pressure becomes larger due to the excessive flow of the fan;
3. Inlet filter blockage, outlet pipeline failure or blockage;
4. Contact and friction of rotating parts (jamming);
5. The oil level is too high;
6. The narrow V-belt is overheated, the vibration is too large, and the pulley is too small;
Roots blowermotor after overload solution:
1. Reduce the pressure to the specified value;
2. Discharge excess gas to the atmosphere or reduce the speed of the blower;
3. Remove obstacles;
4. Stop immediately and check the cause;
5. Adjust the oil level to the correct position;
7. Check the belt tension and replace it with a large diameter pulley;
UseRoots blowerWhen the noise is resolved:
1. When the pressure rises due to pipe blockage, the pipe needs to be cleaned or replaced;
2. When the belt cover is installed incorrectly and vibrates, just check and install the belt cover again;
3. The motor bearing is worn and replaced with a new bearing;
4. IfRoots blowerIf there is dust inside, the blower shall be disassembled;
5. Because there is no lubricating oil noise will become high, so check the oil supply system;
6. Poor lubrication, carefully clean the drip nozzle and oil filter;
7. The pulley is loose, tighten the top steel wire;
8. V-belt slip, adjust the tension of the belt;
Roots blowerMethod of gap adjustment:
1. The adjustment of the frame body gap: the positioning pin hole of the frame body and the wall plate is guaranteed. When removing the fan, do not damage the positioning pin hole.
2. Adjust the gap between the impeller and the impeller: rotate the impeller to the position of the gap diagram, align the driven gear with the drive gear mark and press it into the shaft, put in the gear retaining ring, stop washer and lock nut in turn, tighten the lock nut slightly, and try to rotate the impeller for a circle. When not rotating, rotate the impeller so that the contact part faces upward, and gently knock the gap part of the impeller with a copper rod, align the gear and the cone of the shaft and move relative to each other to adjust the impeller clearance.
3. Ensure the adjustment of the axial clearance of the impeller and the wall plate (axial total clearance CD), and then adjust the axial position of the impeller with the 4 groups of adjustment screws on the front panel to ensure the distribution of the clearance c and d at both ends.
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