The present situation and development direction of submersible sewage pump

The present situation and development direction of diving sewage pump submersible sewage water pump because of its simple installation, cover an area of an area small, easy maintenance, no noise etc, and widely used in municipal engineering in the engineering, factories, commercial, hospital, hotel, residential sewage discharge. At present China's domestic submersible sewage pump is mainly composed of domestic manufacturers of production and manufacturing, a small number of products imported from abroad. Market prospect is very broad. But as a result of diving sewage pump reliability needs to be strengthened, so that to improve the technology content of its products is the main development direction of vendor in the future. Diving sewage pump for vertical layout, coaxial pump and motor, which makes the weight of the rotating components with to withstand a hydraulic pressure of impeller direction; Second, diving sewage pump is used in liquid, conveying sewage medium containing impurities, such as silt; Third, diving sewage pump is a kind of centrifugal pump, during its operation, power is always increased with the increase of flow rate increases, when the flow rate is in excess of the design discharge and reaches a certain value, the motor will be destroyed due to overload. The above questions will be different degree of influence the service life of diving sewage pump. Aiming at the existing problem of diving sewage pump, some domestic manufacturers to focus on the development of water pump protection system: automatic alarm when the pump running occur abnormal or cut off power supply. Although this approach can have certain effect, and the protection is necessary, but this is not the fundamental way to solve the problem, we need to focus on improve the performance of the pump, to fundamentally solve the problem. Diving sewage pump needs to solve the problem is to improve the reliability of use in the future, can adapt to a variety of work environment, optimize the structure design, further improve the performance of the submersible sewage water pump.
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