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通常使用的净水方式,是将沉淀与过滤分成两个阶段进行,沉淀有去除大量悬浮物的能力,滤池将水中浊度控制在0.5毫克/升以下。重力式滤池,在滤料上面的水深一般要保持1～2米,作为过滤压力。为提高高浊时的处理能力,利用这压力容积,提出了分层池的设想。一、增加滤池容量的必要条件普通重力式滤池,滤料上面压力水深要保持在1.5米左右。固液分离的滤料层仅是60～70厘米,是滤池水深的1/4,其余的3/4不是直接有效容积。所以,必须在3/4容积中寻求增加滤池容量。
The commonly used water purification method is to separate the sedimentation and filtration into two phases. The precipitation has the ability to remove large amounts of suspended solids, and the filter will control the turbidity in the water to less than 0.5 mg/L. Gravity filter, the depth of the water above the filter should generally maintain 1 to 2 meters, as the filtering pressure. In order to increase the processing capacity of high turbidity, this pressure volume was used to propose a layered pool. First, the necessary conditions to increase the capacity of the filter tank Ordinary gravity filter, the pressure above the filter material to maintain the water depth of 1.5 meters. The solid-liquid separation filter layer is only 60-70 cm, which is 1/4 of the depth of the filter. The remaining 3/4 is not a direct effective volume. Therefore, it is necessary to increase the filter capacity in the 3/4 volume.