给水厂平流沉淀池排泥车结构优化研究

Research on optimization of the structure of the mud truck in the horizontal sedimentation tank of water treatment plant

通过对平流沉淀池虹吸式排泥车存在的排泥含固率低、排水量过多的缺点进行优化改造。新增含泥率检测装置,测量行程过程中污泥浓度,刮泥装置把污泥推积到一定厚度,通过污泥浓度检查装置发出排泥信号进行排泥;将传统的排水量较大的虹吸排泥,改造成“底泥刮板浓缩+多通道排泥”,结合污泥浓度计与气动阀门进行联合控制自动排泥,实现全自动智能分段排泥。可节约大量水处理阶段的设备和场地成本,减少系统运行药耗和能耗,节能减排效益相当明显。

This article aims to optimize and transform the siphon type sludge discharge truck in the horizontal sedimentation tank,which has the disadvantages of low solid content and excessive drainage.Add a mud content detection device to measure the sludge concentration during the travel process.The scraping device pushes the sludge to a certain thickness and sends out a sludge discharge signal through the sludge concentration inspection device for sludge discharge;Transforming the traditional siphon sludge discharge with large drainage capacity into“bottom mud scraper concentration+multi-channel sludge discharge”,combined with a sludge concentration meter and pneumatic valve for joint control of automatic sludge discharge,achieving fully automatic intelligent segmented sludge discharge.It can save a lot of equipment and site costs in the water treatment stage,reduce system operation drug consumption and energy consumption,and achieve significant energy-saving and emission reduction benefits.