How does single-stage single-suction centrifugal pumps work?

Single-stage single-suction centrifugal pump from the impeller, pump shaft, pump and other components. Impeller center facing the inlet, water, water pipes, respectively, and centrifugal pump water, outlet connection.
How does the centrifugal pump work: the water centrifugal pump should be filled with water before starting. When the power machine through the pump shaft to drive the high-speed rotation of the impeller, the impeller in the water due to the role of inertial centrifugal force, from the impeller center to the outer edge of the impeller, and pooled into the pump body, the potential energy and kinetic energy in the pump body was directed to the outlet , Along the water pipeline to the outlet. At the same time, the impeller inlet to produce a vacuum, and the role of the water in the inlet basin pressure for the atmospheric pressure, the water in the pool will be under the pressure difference between the role, through the inlet pipe into the impeller. Impeller kept spinning, the water is constantly being thrown and inhaled, centrifugal pump is the work of this.