Development trend of pump industry and pump protection technology in China


  Pump is one of the indispensable important equipment in the enterprise. Influenced by the working conditions, there are often corrosion, cavitation, erosion, wear and other phenomena, which lead to equipment failure. Enterprises can only invest a lot of money to buy new pumps, and scrap a large number of parts, resulting in a large amount of waste of funds. The design and manufacture of domestic pumps basically follow the "metal" idea, that is, stainless steel and carbon steel materials are used as the main pump body materials. In the face of high corrosion and strong erosion environment, high nickel alloy is needed, and even excellent corrosion-resistant materials such as titanium, zirconium and tantalum are used. These rare metal materials are expensive and have large price fluctuation, high manufacturing cost and manufacturing process Because of the complexity and other reasons, the price of this kind of pump is expensive, generally tens of thousands to millions, which also causes the high purchase cost of this kind of pump. With the development of international advanced pump body research and the application of new material pump body, domestic scientific research institutions learn from the development ideas of western developed countries on pump body research, a few domestic enterprises and institutions began to develop inorganic non-metallic materials such as ceramics, fiberglass, graphite and carbon products, as well as synthetic organic polymer materials such as plastics, fiberglass or carbon fiber-reinforced engineering plastics. The development trend of these domestic pumps caters to the international trend, and has achieved good results in China.

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