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Automatic Backwash Filter

Automatic backwashing filtration is a novel filtration technology whose primary advantage is uninterrupted water supply during the backwashing process, which is achieved by sequentially cleaning every point of the filter screen with the suction nozzle.

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Automation Control System

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  • Product Description
  • 　Automatic backwashing filtration is a novel filtration technology whose primary advantage is uninterrupted water supply during the backwashing process, which is carried out by sequentially cleaning every point of the filter screen with the suction nozzle.
     
    　　Operating principle: Water enters through the inlet, first passing through a coarse filter screen to remove larger particulate impurities, and then reaching the fine filter screen. During the filtration process, the fine filter screen gradually accumulates dirt and impurities from the water, forming a layer of filtered contaminants. Because this contaminant layer builds up on the inner side of the fine filter screen, a pressure differential is established between the inner and outer sides of the screen. When the pressure differential across the filter reaches a preset value, the automatic cleaning cycle is initiated. Throughout this process, the supply of clean water remains uninterrupted. The cleaning valve opens, causing a significant drop in water pressure within the cleaning chamber and the suction nozzle assembly. Due to the pressure difference between the filter cartridge and the suction pipe, a suction force is generated between the suction pipe and the cleaning chamber via the suction nozzle, initiating the dirt-removal process. Simultaneously, an electric motor drives the suction pipe to perform a helical motion along its axis. The combination of axial movement and rotational motion of the suction device ensures that the entire
     
    　　The inner surface of the filter screen is thoroughly cleaned. The entire flushing process takes only a few tens of seconds. The drain valve closes at the end of the cleaning cycle, and the filter then prepares for the next flushing cycle.
     
    　　① Short backwash duration, with minimal flow and pressure loss.
     
    　　② The filter screen is designed for lifetime use and requires no replacement.
     
    　　③ Automatic backwashing without interruption.
     
    　　④ The product has a long service life and offers excellent value for money.

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