How to reduce the energy consumption of centrifugal pump?

 

The efficiency of centrifugal pump is the product of mechanical efficiency, volumetric efficiency and hydraulic efficiency. The efficiency of single-stage centrifugal pump unit is the product of pump efficiency and motor efficiency. How to reduce energy consumption and improve efficiency of centrifugal pump?
1. Application of frequency conversion energy-saving technology. For centrifugal pumps whose design parameters are greater than the actual working conditions, the centrifugal pump will always operate in the high efficiency zone after installing the variable frequency speed control device.
2. Promote the application of high-efficiency energy-saving permanent magnet motor, dual-power motor and other energy-saving new products on the main centrifugal pump.
3. Selection of centrifugal pump. When selecting a new pump, the pump produced by a large manufacturer should be selected to ensure the high efficiency of the centrifugal pump.
4. Maintenance of centrifugal pump.
(1) Frequently check and adjust the shaft end seal of the centrifugal pump to reduce the volume loss;
(2) After 10000 hours of operation, the centrifugal pump should be overhauled to restore the efficiency of the pump;
(3) Applying bellows sealing technology to centrifugal pump can completely eliminate the leakage of centrifugal pump and improve the volumetric efficiency.
5. Clean the filter cartridge regularly, check the pipe connection, and ensure that the inlet pipe of the centrifugal pump is smooth.
6. In strict accordance with the operating regulations of centrifugal pump, before starting the pump, the disc pump must be started, the inlet valve must be opened, the outlet valve must be closed, the exhaust and exhaust must be conducted, and the inlet pressure of the pump must be checked to see if it meets the requirements. Prevent pump cavitation caused by low supply pressure and insufficient flow.
7. Regularly check the pump efficiency of the centrifugal pump, find out the cause of low pump efficiency in time, and take corresponding measures to solve it.

dry screw vacuum pump of reasons for lack of air volume