At present, the problem caused by the wear ofslurry pump is the most critical and primary consideration of slurry pump. Slurry pump is a kind of centrifugal 

pump, used to transport a mixture of liquid and solid fluid. Because its working medium is no longer a simple one-way fluid, its design principle is different from

 that of ordinary centrifugal pumps. The traditional design method is based on unidirectional flow theory, and the designed shaft seal of slurry pump has serious

 leakage, low working efficiency, poor wear resistance of overflow part and short service time.

At present, there are two major problems in the work of slurry pump that need to be solved urgently. First of all, the slurry pump flow part of the parts wear 

problem. Because wear can directly lead to the loss of working materials, it will also cause a series of indirect consequences, such as safety problems, service life, etc., so that the economic efficiency of the slurry pump can not be fully reflected. Secondly, the working efficiency of centrifugal slurry pump is low.

The problems caused by slurry pump wear are mainly manifested in the following aspects:

1. It affects work efficiency. Due to the mutual wear between the impeller and the pump body, the content accumulation efficiency of the pump is gradually 

reduced, and the surface of the flow is uneven with the increase of wear, which seriously affects the working efficiency of the centrifugal slurry pump.

2. Shorten service life. The wear of the parts of the slurry pump will lead to the shortening of the service life of the equipment and increase the cost of main

tenance and replacement.

3. Security issues. Wear may cause the reliability of the slurry pump to decline, prone to sudden failure, which poses a threat to the safety of production.

In order to solve these problems, some technical measures can be taken, such as the use of wear-resistant materials, optimization of structural design, the use 

of new sealing technology, etc., to improve the performance and life of the slurry pump. At the same time, strengthening the maintenance and maintenance of

 equipment is also an important measure to ensure the normal operation of the slurry pump

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