As a general-purpose machine, the pump has a wide range of uses. With the development and evolution of water pumps, various water pumps have appeared with various names, and the names and classifications of these water pumps in various water pump books are different.
Therefore, it causes trouble for product application and promotion. Generally speaking, according to the drainage principle, the water pump can be divided into:
1. Impeller pumps such as centrifugal pumps, mixed flow pumps, axial flow pumps, etc., swirl pumps;
2. Positive displacement pumps such as: plunger pumps, gear pumps, screw pumps, vane pumps, etc.;
3. Other types such as jet pump, water hammer pump, etc.
Among them, the vane pump can be divided into horizontal and vertical according to the structural form (the position of the shaft); according to the working position, it can be divided into: submersible pump and above-ground pump.
Slurry pump, mud pump, sand (sand) pump and submersible sand pump are named according to the function and use of the pump, and they all belong to the impurity pump.