Daily cleaning of pleated filter elements

Pleated filter element is a new type of filter element widely used in water treatment filter element. When using the pleated filter element, not only do the maintenance and maintenance of the pleated filter element, but also know how to clean the pleated filter element when it is contaminated. Generally, the cleaning methods of pleated filter elements can be divided into two categories: physical cleaning method and chemical cleaning method. In the daily cleaning of the pleated filter element, we generally use the physical cleaning method, which can be divided into the following three different methods: 1. Backwash: that is, the cleaning water enters from the ultrafiltration port of the filter element, passes through the filter element, and rushes to the concentration port side. The backwash method can effectively remove the coverage, but special attention should be paid to preventing overpressure during backwashing, to prevent the filter element from breaking through or damaging the sealing joint surface. 2. Constant pressure flushing: close the ultrafiltration water valve, open the concentrated water outlet valve, and increase the flow to flush the surface of the filter element. This method is useful for removing large amounts of soft impurities from the surface of the filter element. 3. Wash with high-purity water: as the purity of the water increases, the solubility increases. When cleaning, the loose dirt on the surface of the filter element can be washed with ultra-filtered water, and then cleaned with pure water.

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