Centrifugal pump is a vane pump, rely on the rotation of the impeller in the rotation process, due to the interaction of the blade and the liquid, the blade will be mechanical energy transfer to the liquid, so that the liquid pressure can be increased to achieve the purpose of conveying liquid, rotating the impeller on the liquid The role of the prime mover mechanical energy transfer to the liquid. For centrifugal pump energy saving measures?
  
1, improve the efficiency of centrifugal pumps
  
The first step, in the selection of more than the selection of suppliers of the program, in considering the premise of cost-effective try to use high-efficiency programs;
  
In the second step, a certain number of professionals are stationed at the factory to supervise the manufacturing quality of the key components that affect the pump efficiency, such as impeller, pump body, pump cover and deflector (vertical long-axis pump) The wing shape, the water outlet angle, the blade indexing, the shape of the runner, the quality of finish etc. are controlled so that the delivered product is an efficient product under the current production conditions.
  
The third step, in the production site installation and commissioning process, to ensure that the foundation of the pump solid, good alignment with the drive machine, front and rear valve switch flexible, reasonable pipeline layout, field control safe and feasible, all running monitoring instruments complete and accurate, to ensure Pump running process to real-time monitoring.
  
The fourth step is in the long-term operation of the pump should pay attention to the equipment inspection, found that abnormal circumstances immediately reflect the report, in the normal minor repair, overhaul cycle, should check the replacement of each wearing parts to ensure long-term high-efficiency pump safety Run
  
2, optimize the existing pump
  
Adjusting the impeller diameter and pump speed will have an impact on the pump's flow head and shaft power but have no effect on the efficiency curve, allowing the pump to work in a high-efficiency zone. The above adjustment flow head is a certain range of limits, if the conditions change too much, the original pump may have to consider modified.

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