The working principle and characteristics of fountain pump

The working principle and characteristics of fountain pump
1, the working principle of the fountain pump
     Before the start of the fountain submersible pump, the pump and inlet pipe filled with water, pump operation, the high-speed rotation of the impeller generated by the centrifugal force, the impeller flow of water was thrown around, into the volute, impeller inlet to form a vacuum , The pool of water at the outside world pressure along the suction pipe was sucked to add this space. And then inhaled water and by the impeller by the volute and into the outlet pipe. It can be seen, if the centrifugal pump impeller constantly rotating, you can continue to absorb water, water, water can continue from low to high or distant. In summary, the fountain pump is due to the high-speed rotation of the impeller generated by the centrifugal force, the water phase of the high.
    2, the general characteristics of the fountain pump
    (1) The flow direction of the water along the fountain is in the axial direction of the impeller, perpendicular to the axial flow, that is, the direction of the incoming and outgoing water is 90 °.
    (2) because the fountain pump impeller inlet to form a vacuum suction, so before the start of the pump and the suction pipe must be filled with water, or vacuum pump to evacuate the air to form a vacuum, and pump shell and suction pipe must be strictly sealed, Do not leak, otherwise the shape is not a vacuum, it can not absorb the water to.