? Wuxi Duorunde Steel Tube Co., Ltd (I'll answer); ? High-efficiency precision filter is a device used to filter and purify liquid or gas. It mainly utilizes physical and chemical principles to remove suspended particles, impurities, microorganisms and other contaminants to provide a high purity, clean fluid.
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The principle of high-efficiency precision filters can be summarized as follows:
1. Filter Media Selection: High-efficiency precision filters are usually used with adjustable aperture and high filtration efficiency of the filter media. Common filter media include fiber membranes, ceramics, metal mesh and so on. The choice of filter media depends on the type and size of pollutants to be removed.
2. Pore filtration: High-efficiency precision filters achieve filtration effect by controlling the pore size of the filter media. When the fluid passes through the filter, the larger impurity particles will be blocked by the filter media on the outside, while the smaller molecules or ions can enter the inside through the pores.
3. Trapping mechanism: The surface of the filter media usually has the ability to trap contaminants. This trapping mechanism can be realized by charge adsorption, inertial resistance, impact interception, chemical adsorption and so on. Different trapping mechanisms according to the nature of the pollutants to choose the appropriate filter materials and processes.
4. Penetration and blocking: high-efficiency precision filters also rely on the permeability and blocking properties of liquid or gas in the pores of the filter media to achieve filtration. This is through the control of the filter media pore size and filtration flow rate to regulate. When the permeable fluid passes through the smaller pores, the particles will be intercepted and filtered out.
5. Backwashing and regeneration: With the increase of the use of time, the surface of the filter media will gradually accumulate a certain amount of pollutants, reducing the filtration efficiency. Therefore, high-efficiency precision filters usually require regular backwashing or regeneration operations to remove pollutants on the surface of the filter media and restore filtration performance.
6. Multi-level filtration: In order to improve the filtration effect, high-efficiency precision filters usually adopt multi-level filtration structure. The filter media with different pore sizes are arranged hierarchically so that the fluid passes through multiple stages of filtration, thus further removing fine contaminant particles. High-efficiency precision filter realizes high-efficiency purification and filtration of liquids or gases through a variety of principles, such as filter media selection, pore filtration, trapping mechanism, infiltration and blocking, backwashing and regeneration. It is widely used in industrial, medical, food processing, electronics and other fields to ensure that the fluid quality meets specific requirements and plays a role in protecting equipment and the environment.