Because of its simple installation, small footprint, convenient maintenance and no noise, the submersible sewage pump is widely used in municipal works, factories, businesses, hospitals, hotels, residential areas and other sewage discharge. At present, China's domestic submersible pumps 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, as the reliability of the submersible 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.
Problems in the submersible pump
Submersible sewage pump for the vertical layout, pump and motor axis, which makes the weight of rotating parts and hydraulic impeller exposed to the same direction; secondly, the sewage pump is used in the liquid, the sewage transport medium containing impurities, silt and other substances; third, a centrifugal submersible sewage pump is in. When it is running, the power is always increased with increasing flow, when the flow exceeds the design flow and reaches a certain value, the motor will be due to overload and burn.
The above problems will affect the life of the submersible pump in varying degrees.
Development direction of submersible pump
Aiming at the existing problems of submersible sewage pumps, some domestic manufacturers focus on developing the protection system of pumps: fundamentally solving the problems in the performance of pumps.
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 to be solved in future is to improve the reliability of operation, adapt to various working conditions, optimize the structure design and further improve the performance of the submersible pump.
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