高效沉淀池在污水深度处理工程的应用优化  

Application optimization of high efficiency settling tank in wastewater advanced treatment project

作　　者：陈燕波 张锋 淦方茂 CHEN Yanbo;ZHANG Feng;GAN Fangmao(Central and Southern China Municipal Engineering Design&.Research institute Co.,Ltd.,Wuhan 430010,China;Yangtze Ecology and Environment Co.,Ltd.,Wuhan 430062,China)

机构地区：[1]中国市政工程中南设计研究总院有限公司,武汉430010 [2]长江生态环保集团有限公司,武汉430062

出　　处：《给水排水》2022年第7期46-50,56,共6页Water & Wastewater Engineering

基　　金：中国市政工程设计研究总院企合作科研课题(KY-N-S-2019-001)。

摘　　要：分析并总结高效沉淀池实际运行中存在的典型问题,从工艺流程、设计参数、池型布置、设备选型及运行控制等方面提出高效沉淀池优化措施及建议.以某污水处理厂提标升级为例,通过选用"高效沉淀池+深床砂滤池"深度处理工艺,减少高效沉淀池投加PAM对过滤单元的不利影响;通过对高效沉淀池混合区、絮凝区、斜管沉淀池等设计参数、池型布置、设备选型及控制的优化,提高混合、絮凝、沉淀效果,确保出水稳定达标.The typical problems existing in the actual operation of high efficiency settling tank are analyzed and summarized,the optimization measures and suggestions for high efficiency settling tank are put forward from the aspects of process flow、design parameters、tank layout.equipment selection and operation control.Take a sewage treatment plant upgrade as an example,through the selection of“high efficiency settling tank+deep bed sand filter tank”advanced treatment process.the adverse effect of PAM added to the high efficiency settling tank on the filter unit is reduced;through the optimization of design parameters.tank layout.equipment selection and control of high efficiency settling tank.such as mixing unit、flocculation unit、inclined tube sedimentation unit,im-prove the mixing,flocculation,sedimentation effect,ensure the effluent quality is up to standard,

关 键 词：高效沉淀池 混合区 絮凝区 沉淀区 搅拌器 污泥回流 

分 类 号：TU992[建筑科学—市政工程]