The working principle of centrifugal pump

General centrifugal pump before starting the pump shell should be filled with liquid, when the prime mover drives the pump shaft and the impeller to rotate, the liquid on the one hand with the impeller for circular motion, on the one hand under the action of centrifugal force impeller center to the periphery, the liquid from the impeller to obtain the pressure and speed energy. When the liquid is thrown by the impeller, part of the velocity energy will be converted to the static pressure energy. When the liquid is thrown out by the impeller, the center part of the impeller causes a low pressure area, and the pressure of the suction liquid level forms a pressure difference, so the liquid is constantly inhaled, and discharged with a certain pressure.



Compared with other kinds of pumps, centrifugal pump has the advantages of simple structure, can be directly connected with the motor, not limited by the speed, not easy to wear, smooth operation, small noise, uniform water, convenient regulation, high efficiency, reliable operation, convenient maintenance and so on. In the vane pump products, centrifugal pump dosage is the largest, the use of the most wide range. Therefore, centrifugal pump has been widely used in all walks of life.



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