With the development of economy, the self suction centrifugal pump has been applied more and more widely in engineering. The following is a detailed introduction of the current situation and development trend of self suction centrifugal pump.

The self suction centrifugal pump has the characteristics of simple structure, convenient operation and maintenance, smooth operation, large displacement, high efficiency, easy adjustment, strong self suction ability and wide application scope. It is used to transport petroleum products such as gasoline, kerosene, diesel and aviation kerosene. The medium temperature is between -20 and 80 C, which is an excellent marine loading and unloading pump. It can also be used for sweeping water pumps. It is also suitable for oil storage of oil storage facilities such as land oil depot, oil tank car and so on. It can also be used to transport sea water and fresh water.

Self suction centrifugal pump is widely used in municipal works, factories, businesses, hospitals, hotels, residential areas and other sewage discharge because of its advantages of simple installation, small footprint, convenient maintenance and no noise. At present, the self suction centrifugal pumps in China are mainly produced and manufactured by domestic manufacturers, and a small number of products are imported from abroad. The market prospects are very broad. However, because the reliability of the sewage pump needs to be strengthened, it is the main direction for the future development of the manufacturers to improve the technical content of their products.

Aiming at the existing problems of self suction centrifugal pumps, some domestic manufacturers focus on developing the protection system of the pump: automatically alarm or cut off the power when the pump runs abnormal. Although this method can play a certain effect, and this protection is also necessary, but this is not the fundamental way to solve the problem. We should also focus on improving the performance of the pump, and fundamentally solve the problem.

In addition, the development of the product should take full account of the environmental problems, so that all the products developed are more energy saving and environmental protection.

To sum up, the problem of submersible sewage pump needs to be solved in the future is to improve the reliability of operation, adapt to various working conditions, optimize its structural design, and further improve the performance of self suction centrifugal pump.

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