Centrifugal pump impeller according to its structure is divided into several kinds?
From your point of view, you mean the classification of centrifugal pumps instead of centrifugal pumps, right?Generally speaking, the mixed flow impeller is also regarded as a centrifugal impeller. Then, from the hydraulic characteristics, there are two kinds of impellers, namely, runoff and mixed flow. And from the big structure, there are two kinds of single suction and double suction. The utility model can be further divided into an open impeller, a semi open impeller and a closed impeller.
3, open impeller: only blade and blade reinforcement, no front and rear cover impeller (open impeller blade less, 2-5 pieces). Water pump impeller efficiency is low, less application, mainly used for conveying high viscosity liquid, as well as slurry liquid.
2, semi open impeller: can be subdivided into the first half open and the second half open. Semi open impeller is difficult to manufacture with low cost and strong adaptability. In recent years, the application of centrifugal pump in refining and chemical industry has been increasing gradually. Semi open impeller is suitable for conveying liquid containing solid particles, fibers and other suspended substances.
Centrifugal pump impeller according to the classification of impeller mechanism, mainly in the following 3 forms:(a) closed type; (b) semi open; (c) open type;1, closed impeller is composed of blades and before and after the cover. The efficiency of the closed impeller is higher and it is difficult to manufacture. It is the most widely used in centrifugal pumps. It is suitable for conveying clean liquid without particles, such as clear water, small viscosity and so on.
