Dust-collecting devices adopted, absorbing dust, preventing air pollution. 配置集塵裝置，吸收粉塵，防止空氣污染。
According to the principle of filte, dust granules in the ak are caught and collected into a collective cylinder. 依過濾原理將懸浮在空氣中的灰塵粒子捕捉收集在一臺集塵圓筒內。
The structure characteristics of the cyclone dust removers for gas stations were analysed,some retrofits were made for their inconvenience. 分析了煤氣站用旋風收塵器的結構特點，介紹了針對其結構設計中的不足所作的一些有益改進。
