介質濾波器,也被稱為機械過濾器(有一個人將呼吁石英砂過濾器媒體過濾器,因為石英砂顆粒大小是不同的,2 - 3種規格),機械過濾器,別名,實際上是相同的濾波器,在水處理過程中,是一種更常用的機械過濾設備,因為過濾材料價格低,環境保護、過濾效果的優點是好的,由此得到的石英砂過濾器在水處理中得到了充分的應用。
Media filter, also known as mechanical filter (one person will call for quartz sand filter media filter, because quartz sand particle size is different, 2-3 specifications), mechanical filter, alias, is actually the same filter, in the process of water treatment, it is the most commonly used mechanical filter equipment, because the price of filter material is low, the advantages of environmental protection and filtering effect are good The obtained quartz sand filter has been fully used in water treatment.
First of all, we start from the role of multimedia filter, which is mainly used to filter and intercept suspended solids, sediments, organics and other impurities in water. The filtering principle is mainly trapped by quartz sand, so after a period of multimedia filtering, there are many small particles in the gap between the sand, such as mud, organic matter and other impurities. If backwashing is not carried out, the impurities such as intercepted sediment in the filter tank can be accumulated. If the source water is affected, and the water pressure is reduced, and the filtration flow is reduced, not only precious energy (power of power and water pump) is wasted, but also the sewage quality is not up to the standard. Therefore, the backwashing of multi-media filter must be carried out after a period of time.
There are two kinds of backwashing methods for multimedia filter, one is air water backwashing, the other is water backwashing.
Air and water backwashing: the friction between bubbles and quartz sand filter material, and the friction between particles of quartz sand filter material, is the friction between quartz sand filter material and water. Four interactions maximize the backwash effect, so the quartz sand filter material after water washing can be used normally. Advantages: short backwashing time and less water consumption. Therefore, the recommended backwashing method of Shandong multi-media filter manufacturer is: soda water backwashing