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.
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