Cavitation, abrasion and the joint damage of multistage centrifugal pumps have always been an important issue in the operation, maintenance and management of centrifugal pumps. The traditional surface protection materials and processes are far from meeting the requirements of multistage centrifugal pumps for cavitation erosion resistance Abrasion requirements. In order to enhance the capability of anti-cavitation and abrasion on the surface of multi-stage pump overcurrent components, besides constant use of stainless steel or other cemented carbide to manufacture blades and impellers, the surface protection technology should be continuously tested. (A) the technical requirements of multi-stage centrifugal pump surface protection materials Anti-abrasion coating must have the following characteristics: (1) have a higher strength and hardness to resist cavitation, erosion damage; (2) has a toughness, To absorb the impact energy; (3) has a high bond strength to ensure that the coating in the pump 30-35 meters per second under the impact of high-speed flow will not spall; (4) coating materials must be affordable to ensure (5) Coating materials should be non-toxic, non-flammable, explosive materials, easy to store and transport, do not pollute the surrounding environment. (B) multi-stage centrifugal pump processing technology In order to ensure the promotion and application of surface protection technology, processing technology must do the following: (1) the process is simple, can be mastered for different levels of operators; (2) processing The tools (utensils) used should be readily available in the market or required for general pumping station repairs and at affordable prices without the need for special and expensive equipment; (3) The process should be unaffected by the seasons and the surrounding environment , To ensure that the pump station can be carried out in the winter and spring maintenance period; (4) The coating does not require special thermal curing and can be rapidly cured or put into use after coating to shorten the maintenance period. Hunan multistage centrifugal pump manufacturers Changsha Pump Factory Southern pump specializing in the production of horizontal multistage centrifugal pump, mining wear-resistant multistage centrifugal pump, stainless steel multistage centrifugal pump, corrosion-resistant multistage pump, pump plant in Changsha South pump stainless steel and more Centrifugal pump products known throughout the country. The price of its multi-stage centrifugal pumps the best pump in the South, Changsha pump factory Southern pump multi-stage centrifugal pump products have been through coal and mine security who warmly welcome all new and old customers to consult and guide.
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