三级过滤器
The secondary filter net, which is bag in shap, is fixed on the mouth of the outlet tube of the pump and hanged in the tertiary net, to filter out the large zooplanktons.
次级滤网由80目筛绢制成,成袋状,结扎在水泵排水管的出水口上,悬垂在过滤槽中央,用以滤去较大浮游动物。
It is composed of a pump, a primary filter net, a secondary filter net, a tertiary filter net, a filter tank and a disinfectant introducing system.
装置由水泵、初级滤网、次级滤网、三级滤网、过滤槽及消毒液输入系统组成。
Backwashing is a critical part of effective operation of the novel aerobic filter used for wastewater tertiary treatment.
好气滤池是一种用于污水深度处理的新型滤池。
Researches on Tertiary Treatment for Secondary Sewage of Petrochemical Wastewater by Using Zeolite Filter Bed
沸石滤池深度处理石化废水二级出水研究
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