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ChinaThere are several types of submersible pumps. The wires in the motor are oil-immersed, water-immersed, and dry.
You must read the manual before use, and you can't make a mistake. If you don't use it for a long time, you must rotate the impeller before using it, or you will burn the bag because it won't be stuck for a long time. Before starting the pump, the suction pipe and pump must be filled with liquid. After the pump is turned on, the impeller rotates at high speed, and the liquid in it rotates with the blades. Under the action of centrifugation, it flies away from the impeller and shoots out. The speed of the injected liquid in the diffusion chamber of the pump casing gradually slows down and the pressure gradually increases. Outlet, the discharge pipe flows out.
At this time, at the center of the blade, the liquid is thrown around to form a vacuum low pressure zone with neither air nor liquid. The liquid in the liquid pool flows into the pump through the suction pipe under the action of the atmospheric pressure on the pool surface, and the liquid is continuous in this way. It is continuously sucked up from the liquid pool and continuously flows out of the discharge pipe.
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