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[Chemical Knowledge]：Deep analysis of axial flow pump principle

Read： 866 Time：14months ago Source：Transform the World with Simplicity

China has a long history and rich experience in the field of axial flow pump. Axial flow pump is widely used in various fields as a kind of high efficiency and strong stability fluid conveying equipment. So, what exactly is an axial flow pump? What is its working principle? Next, we will discuss the principle of axial flow pump in depth.

axial flow pump principle

axial flow pump is a kind of fluid using spiral blade propulsion equipment, using the principle of kinetic energy, the kinetic energy generated by the high-speed rotating impeller into fluid pressure energy, and transport it to the target location. It can be said that the working principle of the axial flow pump is to make the flowing liquid flow through the axial forward of the pump body through the rotation of the impeller. The fluid is not compressed but pushed, the fluid energy is reduced, and the pressure is increased, so as to realize the fluid delivery.

structure composition

in the axial flow pump structure, mainly by the volute, impeller, bearing, base, inlet pipe, outlet pipe, seals and other components. Among them, the volute is the main directional ring, the inlet liquid is directed to the impeller, the impeller relative to the volute is a motion ring, the liquid in the volute can be pushed forward.

application scope

axial flow pump is mainly used in small flow, large head of the diversion system, in petrochemical, metallurgy, power generation, shipbuilding and other fields are widely used. Compared with the centrifugal pump, the axial flow pump in the delivery of large flow at the same time the pressure drop is small, which can bring higher pump efficiency, and the axial flow pump also has the advantages of simple structure, small starting torque and so on.

Although axial flow pumps are widely used in various fields, they cannot solve all problems perfectly by virtue of their advantages. Axial flow pump in the use of the process, there will be some limitations, such as the viscosity of the transmission medium, axial flow pump can only transport low viscosity liquid and other issues.

summary

In summary, the axial flow pump is a high-efficiency and stable fluid transportation equipment. It uses the principle of kinetic energy conversion to convert the kinetic energy generated by the impeller into fluid pressure energy and transport it to The target location. Among them, the structure of axial flow pump is mainly composed of volute, impeller, bearing, base, inlet pipe, outlet pipe, seal and so on. Axial flow pump has a wide range of applications, but there are limitations in the process of use.

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