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一、重力式无阀滤池的合理分格重力式无阀滤池由于滤后水的积贮位能要满足能够直接冲洗滤池本身的要求,因此池身高度较大。加上过滤期终允许水头损失1.5～2.0米,如果水厂内部没有有利的地形条件,就要求滤池前的反应沉淀池或澄清池池身较高,常常造成水厂净化构筑物之间高程处理上的困难局面。有时为了适应与无阀滤池的高程配合,特地抬高反应沉淀池或澄清池的高度,增加工程造价。因此,无阀滤池与其前净化构筑物之间合理恰当的高程配合,常是水厂设计中的一个难题。为了适当降低无阀滤池池身高度,有时往往通过增加每组无阀滤池的分格数,使池顶冲洗水箱高度降低,从而降低无阀滤池池
I. Gravity type valveless filter reasonable compartment Gravity type valveless filter tank The height of the tank body is large because the post-filter water storage energy must meet the requirements for direct flushing of the filter tank itself. With the end of the filtration period, the head loss is allowed to be 1.5 to 2.0 meters. If there are no advantageous topographic conditions inside the water plant, the reaction tank or clarifier tank in front of the filter tank is required to have a high body height, often resulting in elevation treatment between the water purification plants. On the difficult situation. Sometimes, in order to adapt to the height matching with the valveless filter tank, the height of the reaction sedimentation tank or the clarifier tank is specifically raised, and the project cost is increased. Therefore, a reasonable and appropriate elevation coordination between a valveless filter and its pre-cleaned structure is often a problem in the design of a water plant. In order to properly reduce the height of the valveless filter tank, the height of the tank top flush tank is sometimes reduced by increasing the number of divisions per valveless filter tank, thereby reducing the valveless filter tank pool.