Working principle of fiber filter material
Time：
2023-05-22
When filtering, the gravity of the water level in the filter or filter tank from top to bottom is used to compress the filter layer, and the fiber bundle filter material is in a dense state, improving the efficiency of the filter layer in intercepting impurities and ensuring the water quality after filtering. During flushing, the air and water impact and disturb from bottom to top, causing the bundle filter material to be in a suspended and loose state, and the adsorbed and intercepted substances in the filter layer to be eluted. Thus, the optimal state of disorderly loading and orderly loading and backwashing of bundle fiber filter materials is achieved. When in use, water enters from the upper part and exits from the lower part. At this point, under the action of water flow and gravity, the fiber density regulating device drives the fiber filter bed to run downwards, compressing the fiber filter layer. Its stacking density gradually increases along the water flow direction, causing the porosity of the filter layer to gradually decrease along the water flow direction. The corresponding pore diameter and pore size of the filter layer gradually decrease, thus forming a particularly ideal variable pore deep filtration state. The filtration process includes both horizontal deep filtration and vertical deep filtration, effectively improving the filtration accuracy. When the filter layer is contaminated and needs to be cleaned and regenerated, the cleaning water passes through the fiber filter bed in the opposite direction. Under the action of backwashing water flow and cleaning air, the fiber density adjustment device drives the fiber filter bed to move upwards, causing the fiber filter material to extend upwards and reach a loose state. Through the air water mixed cleaning technology, the fiber filter material is in a continuous shaking state in the longitudinal direction during bubble accumulation and hydraulic flushing, which makes the fiber filter material clean very thoroughly, Thus achieving the ideal cleaning effect.
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