Centrifugal pump start and stop steps, precautions

Category: Water pump knowledge

2024-05-30

Centrifugal pumps can be widely used in industrial production, agricultural irrigation, urban water supply and other fields. As power equipment, a series of inspections need to be done before starting. Proper operation of the centrifugal pump can improve operating efficiency and equipment safety, thereby improving the company's work efficiency and reducing unnecessary losses.

First of all, it is necessary to check whether the centrifugal pump and its ancillary equipment are working properly, and should be operated in accordance with the protection level and regulations of the equipment. The inspection contents include centrifugal water pump bearings, seals, connectors, motors, etc., to ensure that the equipment is in good condition without abnormal conditions. After checking the equipment, it is necessary to check whether the connection of each part of the centrifugal pump is tight. Including whether the connection between the centrifugal water pump and the motor, pipeline, water inlet and outlet is firm, so as to avoid safety accidents or water leakage caused by loose connection.

Precautions for 1. centrifugal pump

1. When installing the centrifugal pump, the installation position should be selected away from the source.

2. When running a centrifugal pump, the axis of the centrifugal pump should be perpendicular to the horizontal plane and the vibration should be minimized.

3. When the centrifugal pump is running, when replacing the liquid and maintaining the components of the centrifugal pump, attention should be paid to the problems of exhaust and water leakage.

Maintain the equipment and facilities of each part to make the centrifugal pump more stable and reliable at work.

5. If the centrifugal pump is abnormal, it should be handled in time to avoid affecting the work and the life of the equipment.

Steps and Precautions of 2. Shutdown Centrifugal Pump

1. When it is necessary to stop the operation of the centrifugal pump, the outlet valve should be closed first.

2. Then gradually close the inlet valve to reduce the pressure in the pump to zero.

3. Disconnect the drive power to stop the centrifugal pump.

4. In accordance with the provisions of the time to patrol, measure the degree of wear and tear and maintenance.

5. Pay attention to the release of the residual pressure inside the centrifugal pump. The outlet valve of the centrifugal pump must be slowly increased when the exhaust fan is turned on to safely release the internal residual pressure.

Steps and Precautions of 3. Opening Centrifugal Pump

1. Check whether the equipment of the pump is complete and intact, such as inlet valve, outlet valve, pressure gauge, etc.

2. Check the running-in condition of the pump and start the centrifugal pump according to the normal starting procedure.

3. Open the inlet valve and fill the pump chamber with liquid.

4. Start the motor and the pump starts to run.

5. Adjust the inlet and outlet valves of the pump to achieve the design flow and head.

6. Fully check the operation of the pump, pay attention to the noise and liquid flow of the pump is stable.

7. Pay attention to whether the centrifugal pump has abnormal noise or other abnormal phenomena during operation, and carry out timely maintenance and repair.

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