The working principle of high efficiency filter
Release time:
2021-07-12
As its name implies, the high-efficiency filter is mainly used to collect particles above 0.5 nanometers and various suspended objects. As an end filtering part of various filtering systems, it uses relatively small glass fiber paper as the filtering material. At the same time, various materials such as aluminum foil plate are folded as the segmentation method, and its outer frame is made of stainless steel plate, etc.high efficiency filterThe filtration efficiency is very high, and the resistance is relatively small, and the dust holding capacity is large. It is widely used in the air supply of the air conditioner in the purification workshop of beverages, food, precision instruments, biomedicine, etc. The working principle of the filter.
According to the different filter media, high efficiency filter can be divided into two types: fiber filtration and media filtration. Particulate media filtration is mainly used to filter sand and other particulate filter materials as filter media. Through the adsorption of particulate filter materials and the pores between sand and gravel, the solid suspended solids in the water body are intercepted and the purpose of filtration is realized. Its advantage is that it can be used repeatedly, but the filtering speed is relatively slow, generally speaking, no more than 7 meters per hour. At the same time, it has relatively small amount of dirt interception and low surface accuracy. It can only filter suspended particles of 20-40 nm, and for some objects with relatively high concentration, the high efficiency filter cannot filter quickly.
high efficiency filterThe asymmetric fiber bundle material is used as the filter material. The filter material is asymmetric fiber, which can have the advantages of fiber filter material and material filter material on its basis. Due to the special structure of this filter material, the porosity of the filter bed can quickly form a gradient density with large size and small size, so that the filter has fast filtration speed, large amount of sewage interception and easy backwashing. Through special design, the processes of dosing, mixing, flocculation and filtration can be carried out in one reactor, so that the equipment can effectively remove suspended organic matter in aquaculture water and reduce COD, ammonia nitrogen, etc, it is especially suitable for the filtration of suspended solids in the circulating water of the temporary pond.
High efficiency filter through the fiber filtration of its one end is loose fiber tow, and the other end is fixed in the proportion of relatively large solid internal, in the filtration of the heavier end of the fiber tow played a role in the compression, at the same time because of its size is relatively small, for the distribution of filtration porosity uniformity has little effect, thus improving the filtration performance. During backwashing, due to the difference in specific gravity between the core and the fiber filament, the fiber will spread out with the water flow and swing to generate relatively strong pulling force during repeated washing, and the filter materials will also strengthen the acting force of the fiber in the water through mutual collision, thus makinghigh efficiency filterFiltration performance has been improved.
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