The working principle of high-efficiency filters

High Efficient filter, the most commonly used method for mechanical filtration of sewage treatment, is divided into two types: particle media filtration and fiber filtration based on different filtering media. Particle media filtration mainly uses granular filter materials such as sand as the filtering medium, and achieves filtration through the adsorption of granular filter materials and the interception of solid suspended solids in the water by the pores between sand particles. The advantage is easy backwashing, while the disadvantage is slow filtration speed, generally not exceeding 7m/h; The interception capacity is low, and the core filter layer only has the surface of the filter layer; Low filtering accuracy, only 20-40 μm. Not suitable for rapid filtration of high turbidity wastewater.

High efficiency filter, the high-efficiency asymmetric fiber filter system uses asymmetric fiber bundle material as the filter material, which is an asymmetric fiber. On the basis of the fiber bundle filter material, a core is added to make it have the advantages of both fiber filter material and particle filter material. Due to the special structure of the filter material, the porosity of the filter bed quickly forms a gradient density of up and down, making the filter fast in filtration speed, large in pollutant interception, and easy to backwash. Through special design, The process of dosing, mixing, flocculation, filtration, etc. is carried out in a reactor, so that the equipment can effectively remove suspended organics in the aquaculture water body, reduce COD, ammonia nitrogen, nitrite, etc. in the water body, especially suitable for filtering suspended solids in the circulating water of the temporary aquaculture tank.

High efficiency filter. The core technology of efficient automatic gradient density fiber filter is to use asymmetric fiber bundle material as the filter material, with one end being a loose fiber bundle and the other end fixed in a solid body with a high specific gravity. During filtration, the solid core with a high specific gravity plays a compaction role on the fiber bundle. At the same time, due to the small size of the core, it has little effect on the uniformity of the distribution of porosity in the filtration section, As a result, the interception capacity of the filter bed is improved.