A new scroll spring is provided for cleaning the sand filtering passage to prevent sand plug.
通过新颖的防砂涡卷弹簧可在防砂的同时清洁滤砂通道，防止滤砂通道堵塞。
At the same time, the chemical and physical methods of coagulation, flocculation, settlement and sand filtering process are also feasible to remover COD in SBR effluent.
同时，混凝、絮凝沉淀及砂滤法等化学、物理方法对于去除SBR出水中的COD也是可行的。
Coarse and uniform sand, as filtering material, could prevent filtering material loss and agglomeration.
粒径较粗且均匀的河沙滤料的使用，避免了滤料的大量流失和滤料结块。
The working principles and filtering mechanism of sand filtration are introduced. A set of experimental installation for sand filtration simulation was established.
介绍了砂过滤的工作原理和过滤机理，建立了一套砂过滤模拟实验装置。
The utility model relates to a cylinder-shaped wire welded filtering screen which is used for separating materials and grinding media in a vertical closed sand mill.
一种圆筒形钢丝焊接过滤网，用于立式密闭式砂磨机中物料与研磨介质的分离。
The utility model relates to a cylinder-shaped wire welded filtering screen which is used for separating materials and grinding media in a vertical closed sand mill.
一种圆筒形钢丝焊接过滤网，用于立式密闭式砂磨机中物料与研磨介质的分离。
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