The operation of an axial flow pump is based on the theory of lift in aerodynamics. The appearance of an axial flow pump is very similar to a water pipe, and the diameter of the pump casing is about the same as the diameter of the suction port. Axial flow pumps can be divided into three structural forms based on the working position of the pump shaft: vertical shaft, horizontal shaft, and inclined shaft. Due to the small footprint, uniform bearing wear, and submergence of the impeller in water, vertical flow pumps can be started without the need for water injection. They can also adopt a split seat support method and place the motor at a higher position to prevent flooding. Therefore, most axial flow pumps adopt a vertical structure.
Advantages of Axial Flow Pump:
1. It has a large flow rate, simple structure, light weight, and small external dimensions. Its shape is tubular, so it occupies a small area.
2. For adjustable axial flow pumps, when working conditions change, as long as the blade angle is changed, they can still operate at high efficiency.
Purpose and usage environment:
Due to its low head and high flow rate, axial flow pumps are commonly used for large-scale irrigation and drainage in agriculture, urban drainage, water circulation in thermal power plants requiring large amounts of cooling water, and water level lifting and lowering in shipyards.