Mixed flow pump plays an important role in various types of fluid conveying equipment. Its unique working principle makes it widely used in many fields.
Mixed flow pump is a type of pump between centrifugal pump and axial flow pump. Its working principle is mainly based on the combined action of centrifugal force and axial thrust.
When the mixed flow pump is started, the motor drives the impeller to rotate. The impeller blades are uniquely designed. During the rotation process, on the one hand, the fluid is subjected to the action of centrifugal force. Just like a rotating umbrella can throw raindrops to the edge, the centrifugal force pushes the fluid from the center of the impeller to the edge.
On the other hand, due to the shape of the impeller blades and the installation angle, the fluid is simultaneously subjected to axial thrust when passing through the blades. This axial thrust causes the fluid to displace in the axial direction.
In the pump casing of the mixed flow pump, the volute-shaped pump casing collects the fluid. Under the combined action of centrifugal force and axial thrust, the fluid flows along a path that is neither purely radial (the centrifugal pump type) nor purely axial (the axial flow pump type), but in between.
As the fluid is continuously thrown out of the impeller and flows along the pump casing, the fluid pressure at the pump outlet gradually increases, thereby achieving the function of transporting the fluid from a lower pressure area to a higher pressure area.
Mixed flow pumps of different models and designs have different impeller shapes, speeds, pump casing structures, etc., which also leads to different performances under different working conditions. But in general, mixed flow pumps can efficiently transport fluids with certain flow and head requirements through the clever combination of centrifugal force and axial thrust, and play an indispensable role in agricultural irrigation, urban water supply, industrial water circulation and other fields.