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。
2
The test results show the filter has advantages of high filtering efficiency, low intake resistance, automatic dusting, simple structure, convenient installation and low costing.
试验证明，该粗滤器具有过滤效率高，进气阻力低，粗滤自动排尘，结构简单，安装方便，成本低的优点。
3
The utility model has the advantages of convenient installation and simple operation. The utility model is used for the water filtering treatment.