Why should the quartz sand filter be cleaned, and why should it be washed?

Why should the quartz sand filter be cleaned? The reason for cleaning the quartz sand is the accumulation of grease rather than calcification. Since the surface of the swimming pool or massage pool has a large amount of human fat in the recycled water, if these fatty substances are not properly treated by SHOCK, they will accumulate. On the surface of the quartz sand, the quartz sand repels the fat, so the fat will continue to accumulate in the depth of the filter layer, and finally surround the entire filter layer. At this time, the fat will be repelled by the entire filter layer If it cannot be captured by the filter at all, the swimming pool water will be slightly green to slightly yellow turbid. Even if backwashing cannot improve the water quality, we have to change the water to solve the problem, but after a while, the repeated problem will appear again. Jacuzzis are the most prone to this problem, and the filter tank cleaner is used to deal with this problem. It acts like soap. Why should the quartz sand filter be washed? Because the filter medium of the quartz sand filter is reused, the filter layer is designed to expand upward by 1.2 to 1.3 times in volume during backwashing, and the upward water flow will drive the filter layer to The up and down flow makes the particles of the filter material collide with each other, and then scrape off the impurities on the surface. Since the material is the same, the hardness is also the same. Therefore, some small parts of the filter material will be broken into smaller particles with the backwash water. However, some of the broken small particles are relatively heavy and fail to settle to the bottom with the backwash water loss, and will pass through the water collection pipe and enter the swimming pool, so it is necessary to perform the drainage action of normal washing. Generally speaking, the quartz sand filter The positive washing action is much more important than backwashing, because, if in the case of water shortage, the water volume and time of backwashing may be insufficient. When filtering downward, some of the impurities that have not completely fallen off will penetrate downward. If it enters the swimming pool rashly, there will be black sewage dragging marks, forming the so-called abnormal phenomenon, making the swimming pool water turn black in a short time , so the positive washing action of the quartz sand filter is unavoidable. Poolking is the best swimming pool equipment manufacturer and supplier in China. Poolking exists to provide the highest quality swimming pool equipment while offering competitive pricing..