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采用無毒防腐玻璃纖維制造。其工作原理采用石英沙或其它填充物作為過濾介質，過濾水中的微小污物。石英沙被裝填在砂缸腔體內。含有懸浮污物微粒的水由泵壓入缸內，在壓力作用下通過沙層，微小的污物被沙床過濾除掉。反沖洗時，水流由泵反向壓入缸內，把沙層截留的污物沖走，由排污管道排出。
　　  玻璃纖維砂缸合理的結構設計、布水均勻、雙層濾沙確保過濾水質的效果，玻璃纖維纏繞結構使砂缸結構更加堅固，并具有良好的耐化學腐蝕性能以及防曬和防紫外線性能，是去除顆粒物、降低濁度的主要設備。
Using Non-toxic Anti-corrosion Glass Fiber Manufacturing.
It Works With Quartz Sand Or Other Filler As A Filter Media, Filter The Water Of The Tiny Dirt. Quartz Sand In The Sand Tank Was Filled Cavity. The Water Containing Suspended Dirt Particles Into The Cylinder By The Pump Pressure, Under Pressure Through The Sand, Small Sand Bed Filter Dirt Is Removed. Backwash, The Water Pressure From The Pump Back Into The Cylinder, The Sand Washed Away The Dirt Retention, Discharge From The Sewage Pipe.
        Glass Sand Tank And Reasonable Structure Design, Water Distribution Uniformity, Double Sand Filtration To Ensure That The Effect Of Water Filtration, Glass Fiber Winding Structure Of The Sand Tank Structure Is More Robust, And Good Chemical Resistance And Uv Sun Protection And Performance, Is Removal Of Particulate Matter, Reduce The Turbidity Of The Major Equipment.