Code of operation for pumps in sludge dewatering plants

      Preparation and inspection before starting.

Before starting the motor, check carefully the following (especially if the pump is newly installed or overhauled) : steering of the motor, concentricity and clearance of the coupling, whether the bolts of each component are tight, whether the coupling is flexible by hand, etc.

Two, driving and parking.

Start up: first close the water outlet valve, start the power supply, open the water outlet valve after boot, if no abnormal sound, no

vibration and other phenomena, adjust the flow can be normal operation.

Such as a sound or vibration, check for immediate stop.

Stop: turn off the outlet valve first, then turn off the power supply to reduce vibration.

Three,Matters needing attention in operation.

Check whether the working condition of each instrument is normal and stable, pay special attention to whether the current exceeds the rated current of the motor, the current is too large or too small should immediately stop checking.

Whether the flow is normal and stable, pay special attention to whether the current exceeds the rated current of the motor, the current is too large or too small should immediately stop and check.

Whether the flow is normal;

Pay attention to the temperature, vibration and noise of the unit;

Pay attention to whether the pipes leak and the water level of the sink.

Four, pump maintenance

Do a good job of cleaning the pump room and the surface of the unit, and check whether the bolts of each part are tight;

Check the water tank, impeller regularly, remove the garbage in the pump;

Bearing lubricating oil and grease should be replaced regularly. The general inspection of lubricating oil should be changed once every 800 hours and the lubricating grease once every 2000 hours.

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