Slurry pump manufacturers introduce from the design and manufacture of the slurry pump to the application of the slurry pump in production, there are problems and requirements that should be paid attention to. To sum up, there are roughly the following points:
First, the design method should be consistent with the relevant theory
In water conservancy design, because the medium transported by the slurry pump is a mixture of solid and liquid, it is necessary to take into account the characteristics of the mixture of solid and liquid, and use the two-phase flow theory to design. At the same time, the latest scientific research and theory should be referred to, so that the shape of the slurry pump flow-through component is more similar to the motion trajectory of the slurry, so as to reduce the impact and friction of solid particles on the slurry pump. Thereby reducing wear.
Improve the structure of the slurry pump
Adopting reasonable parameters, designing the structure of the slurry pump, and selecting the diameter D of the blade inlet have a great influence on the wear capacity and efficiency. For the parts that are easy to wear in the slurry pump, in addition to improving the theoretical design, the structure should also be improved. The parts in this part should be made as replaceable parts as much as possible. At the same time, in the structural design, it should be better considered. This item is easy to replace.
Pay attention to the selection of slurry pump materials
For the selection of pump materials, in principle, the stronger the wear resistance, the better the material. However, when choosing wear-resistant materials, economic and environmental factors should also be considered. On the basis of comprehensive consideration, wear-resistant materials should be selected. , In addition, the use of wear-resistant materials can be considered. For parts that are easy to wear, materials with stronger wear resistance can be selected. For parts that are not easy to wear, the requirements for wear resistance can be reduced. In terms of wear resistance, the shape of the solid particles, as well as the acidity and alkalinity and concentration of the liquid are mainly considered. For those with extremely irregular shapes, materials with high hardness and good wear resistance should be used, such as hard nickel, ceramics, etc. For coating materials and high-chromium cast iron materials, the main factor to be considered in the material selection process is the acidity and alkalinity of the mixture. For example, stainless steel, etc., and the selection of centrifugal slurry pump materials will be described in detail later.
Post time: Mar-01-2022