Ningbo sewage pump manufacturer to summarize the working principles and application of sewage pump sewage pump type selection

Sewage pump is a kind of non-clog pump and other water pump impeller, the pressurized water chamber, are two core components in sewage pump, the pros and cons of its performance is also the advantages and disadvantages of pump performance the anti-clogging sewage pump performance of high and low efficiency and cavitation performance abrasion resistance to be mainly consists of vane pump and water chamber two parts to ensure that it is mainly used for conveying contains the suspended solid such as fiber, wastepaper, particles of liquid, in environmental protection, municipal, water conservancy, sewage treatment and other industries can be widely applied. Sewage pump to achieve without blocking performance, the key lies in the structure of the impeller type. The structure of the impeller is divided into four categories: vane ( Open and closed) , the vortex flow, the flow type, Including single port and shuangliu way) Spiral centrifugal four sewage pump open half open impeller manufacture is convenient when the impeller cause jams can easy cleaning and maintenance but in the long run under the abrasion of the particles can make the blade with pressurized water indoor wall gap increased thus reduce efficiency and increase the damage of blade clearance on the pressure difference distribution not only produces a large number of vortex loss and axial force of pump will increase due to clearance at the same time increase the flow of liquid flow in the stability of this type of damage to make the pump produces vibration impeller is not easy to transport with large particles medium and long fibers from the performance on this type of impeller efficiency low peak efficiency about ordinary closed about 92% of the impeller relatively flat head curve 2, vortex flow impeller: sewage water pump adopts the type of impeller pump due to some or all of the shrink away from the pressurized water chamber impeller flow channel so there is no blocking performance is better than particles and long fibre through ability strong particles in the pressurized water chamber of the eddy current generated by the impeller rotating movement under the impetus of the suspended particles of itself does not produce energy just and fluid in the flow passage of exchange in the flow process of suspended particles or long fibers do not contact with leaf blade wear is more lighter gap increased due to abrasion is absent, in the long run will not result in a serious decline in efficiency of using this type of impeller pump suitable for pumping with large particles medium and long fibers from the performance in the low efficiency of the impeller is only equivalent to ordinary closed about 70% of the impeller relatively flat head curve
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