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Automatic cleaning process for scraper type self-cleaning filter

The scraper-type self-cleaning filter is a kind of filter that directly intercepts impurities in water, removes suspended solids and particulate matter, reduces turbidity, purifies water quality, reduces system fouling, algae, rust, etc., to purify water quality and protect system other Precision equipment for the normal operation of the equipment.

 

Because the blade-type self-cleaning filter adopts an intelligent design, the system can automatically identify the degree of impurity deposition and automatically discharge the sewage valve signal. Water enters through the inlet and first filters out the impurities of the larger particles through the coarse filter and then reaches the fine filter.

 

During the filtration process, the fine filter gradually accumulates dirt and impurities in the water to form a filter impurity layer. Since the impurity layer accumulates on the inner side of the fine filter, a pressure difference is formed on the inner and outer sides of the fine filter. . When the differential pressure of the filter reaches the preset value, the automatic cleaning process will begin.

 

The water supply continuously flows, the cleaning valve is opened, the water pressure in the cleaning chamber and the suction device is greatly reduced, and the pressure difference between the suction tube and the suction tube is generated, and a suction force is generated between the suction tube and the cleaning chamber through the suction nozzle. Form a suction process. At the same time, the electric motor drives the suction pipe to make a spiral motion in the axial direction. The combination of axial and rotary motion of the suction cleaner completely cleans the entire inner surface of the screen.

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