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What is brush self cleaning filter

The brush self cleaning filter can quickly remove impurities from the surface of the filter screen, thereby efficiently removing more impurities, and is suitable for filtration of water and various low-viscosity liquids. In many fields, it gradually replaces traditional manual filters such as bag filters, basket filters and etc.

brush self cleaning filter


Working principle

Filtering state: The liquid flows in from the inlet, the strip scraper is close to the surface of the filter element mesh, the liquid flows outward from the surface of the filter element mesh through the filter mesh, the impurities are trapped on the inner surface, and the liquid flows out from the outlet; As time goes on, the impurities gradually increase, and the pressure difference rises. Clean the filter screen according to the set pressure difference or regularly.
Cleaning state: The motor drives the wiper to make a horizontal rotation to clean the filter screen. When the wiper rotates, the impurities are removed by the brush and flow to the bottom of the filter screen, and the large proportion of impurities are deposited in the dirt collection chamber. Each cleaning consists of several strokes, after the surface of the filter screen is cleaned, the filtering capacity is restored. Normal filtration during cleaning, flow is not interrupted.
Drain state: After several cleaning cycles, the impurities accumulate to a certain amount. Open the drain valve regularly to discharge the waste liquid containing high-concentration impurities. If necessary, it can also be recycled.

Technical features and advantages

■ Horizontal rotary scraping, directly scraping away impurities, good at filtering low-viscosity liquids, removing particles and suspended impurities;
■ Simple structure, easy disassembly and assembly, after removing the scraper, the filter screen can be easily taken out, and the interior is easy to clean;
■ Fully automatic operation, continuous online filtration, ending the heavy filter replacement and cleaning work;
■ No disposable filter consumables are produced, saving the cost of consumables and environmental protection;
■ The filtration pressure loss is extremely small, the flow is stable, the energy consumption is saved, and the process is continuous and stable;
■ Airtight filtration to prevent leakage of dangerous materials, which is beneficial to safe production and employee health;
■ The discharge waste liquid has high impurity concentration and can be recycled to reduce the loss of high-value materials;
■ A variety of advanced control systems are available, with powerful functions, efficient operation and high reliability;
■ Select components from world-renowned brands, with high reliability and low operating costs.

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