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Deep well pump
The biggest feature of deep well pump is that the motor and pump are made into one. It is a kind of pump immersed in groundwater wells to pump and transport water. It is widely used in farmland irrigation and drainage, industrial and mining enterprises, urban water supply and drainage, sewage treatment, etc. Since the motor is submerged in the water at the same time, the structural requirements for the motor are more special than those for general motors. The structure of the motor is divided into four types: dry type, semi dry type, oil filled type and wet type.
Before starting the pump, the suction pipe and pump must be filled with liquid. After the pump is started, the impeller rotates at a high speed, and the liquid in it rotates with the blades. Under the action of centrifugal force, it flies away from the impeller and shoots out. The speed of the emitted liquid in the diffusion chamber of the pump shell gradually slows down, the pressure gradually increases, and then flows out of the pump outlet and discharge pipe. At this time, a vacuum low-pressure area without air or liquid is formed at the center of the blade because the liquid is thrown around. Under the action of atmospheric pressure on the pool surface, the liquid in the liquid pool flows into the pump through the suction pipe. In this way, the liquid is continuously pumped up from the liquid pool and continuously flows out from the discharge pipe.