Filter membrane cleaning system for water treatment equipment

Abstract

The invention discloses a filter membrane cleaning system of water treatment equipment, comprising a sealed container, wherein the sealed container is provided with a waste water discharge outlet; a sealed containing groove is internally provided with a water-generating tube which passes through the sealed containing groove; one end of the water-generating tube is provided with a water-generatingoutlet; a plurality of filter membrane sheets are arranged at the periphery of the water-generating tube at intervals in an axial direction; each filter membrane sheet is provided with two layers of filter members; the circumferences of the two layers of filter membranes are connected, thus forming a water-filtering space inside the connected circumferences; the water-filtering space is communicated with the water-generating tube; scraping pieces for scraping residuals and spots on the surfaces of the of the filter membrane sheets are clamped between the two adjacent filter membrane sheets; the scraping pieces are movably sleeved at the periphery of the water-generating tube and fixed relative to the sealed container; the water-generating tube is connected with a drive motor which is usedfor driving the water-generating tube to rotate; and the filter membrane sheets rotate simultaneously along with the water-generating tube. By using the simultaneous rotation of the water-generating tube and the filter membrane sheets, the relative rotation between the scraping pieces and the filter membrane sheets is formed so as to scrape the residuals and the spots on the surfaces of the filter membrane sheets.

Description

technical field [0001] The invention relates to the technology in the field of water treatment, in particular to a filter membrane cleaning system applied to water treatment equipment. Background technique [0002] The rapid development of society has aggravated the pollution of the environment, however, the first to bear the brunt is the pollution of water. At present, the application of membrane technology in water treatment equipment has become a hot spot in the development of water treatment equipment, and timely cleaning of used membranes to maintain their optimal performance has become an important issue in the industry. [0003] In the prior art, there are roughly the following methods for cleaning the filter membrane: [0004] 1. Take out and clean: For example, take out the filter unit composed of several filter membranes from the container, clean each filter membrane of the filter unit outside the container, and then put the filter unit into the aforementioned con...

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Problems solved by technology

[0004] 1. Take out and clean: For example, take out the filter unit composed of several filter membranes from the container, clean each filter membrane of the filter unit outside the container, and then put the filter unit into the aforementioned container for use. This method has defects such as inconvenient operation;

[0005] 2. Free cleaning: In view of the inconvenience of the above-mentioned cleaning methods, some studies have conducted cleaning operations by adding a cleaning system to the filter membrane, which eliminates the above-mentioned troubles such as disassembly and reinstallation, and at the same time improves The degree of automation of water treatment equipment; the more representative technical solution is to install a rotating plate between the filter membranes, and use high-pressure water to drive the rotating plate to remove residues and stains on the surface of the filter membranes. This solution still exists Some disadvantages: For example, relying on the momentum of high-pressure water to drive the rotating plate, it is difficult to maintain the stability and continuity of the rotating plate, which affects the efficiency and effect of decontamination. Moreover, even if the rotating plate is maintained by high water pressure Continuous and effective rotation, the greater momentum of the water flow will also cause certain damage to the filter membrane, so it is not very suitable as a long-term cleaning and maintenance plan for the filter membrane

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