How to ensure that the flow rate of slurry pumps is stable

The key to ensuring a steady flow of slurry pumps is:

1. suction piping problems

Air leakage: check the suction line connections whether there is air leakage, if so, tighten or replace the seals in a timely manner.
Clogging: Regularly check whether the suction line is clogged with debris and clean up the clogging.

Liquid level is too low: Make sure the liquid level is higher than the lowest suction level of the pump to avoid cavitation.

2. Internal Pump Problems

Impeller wear: Impeller wear will reduce pump efficiency and affect flow rate. Regularly check impeller wear and replace in a timely manner.

Stuffing box leakage: Stuffing box leakage will cause the pressure inside the pump to decrease, affecting the flow rate. Adjust the tightness of the stuffing box or replace the stuffing.

Worn bearings: Worn bearings will cause the pump to rotate at a lower speed, affecting the flow rate. Check bearing wear and replace in a timely manner.

3. System resistance problems

Clogged pipes: Check for clogged pipes with sediment or scale and clean them regularly.

Valves not fully open: Make sure all valves are fully open.

Too many pipe elbows: Reduce the number of pipe elbows to reduce flow resistance.

4. Unstable power supply voltage

Voltage fluctuations: Voltage fluctuations affect the motor speed, which in turn affects the flow rate of the pump. Use a stabilized power supply or frequency converter.

5. Adjustment of operating parameters: Adjust the pump speed, flow rate and other parameters according to the actual working conditions.

6. Optimize piping design: Reduce piping resistance to avoid cavitation.

Common problems and solutions:
1. unstable flow: check whether the impeller, stuffing box and bearing are worn out, and clear the blockage.
2. Low flow rate: Check whether there is air leakage in the suction line and whether the liquid level is too low.
3. High flow rate: Check whether the valve is fully open and adjust the pump speed.

If the problem still exists, it is recommended to contact professional maintenance personnel for overhaul.
If you need to buy a new slurry pump, click the link below to contact our professional team directly.
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