净水高效沉淀设计技术研究与优化  

Study and optimization of the design technology of high-efficiency sedimentation in water treatment

作　　者：许嘉炯[1] 

机构地区：[1]上海市政工程设计研究总院,上海200092

出　　处：《给水排水》2010年第10期48-52,共5页Water & Wastewater Engineering

摘　　要：对加砂絮凝沉淀池(ACTIFLO)、泥渣絮凝沉淀池(DENSADEG)和中置式高密度沉淀池等高效沉淀池型在国内的应用现状和存在问题进行分析,总结其共性,确定高效沉淀的技术要点在于多种药剂组合投加、高效混合、提升絮凝、分离沉淀、污泥浓缩与回流技术等方面。针对这些技术要点在池型布置、设计参数确定、机械设备选用和运行控制要求等方面进行深入研究,并提出了今后高效沉淀技术的优化方向,对国内高效沉淀池的设计和运行调试具有参考价值。Based on the analysis on the current application situation and existing problems in ACTIFLO,DENSADEG and high efficiency mid-flocculation-sedimentation tank in China,this paper summarized the common characteristics of them,and concluded that the key technology point of high-efficiency sedimentation lied in the combination dosage of multiple drugs,efficient mixing,enhanced flocculation,separation sedimentation,sludge condensation and recycling.According to these technology points,the further research on layout of tanks,determination of design parameters,mechanical equipments selection,and the management was carried out,and the direction of the high-efficiency sedimentation technology optimization was brought out.All these would be referred in the design and operation of high-efficiency sedimentation tank in China in the future.

关 键 词：加砂絮凝沉淀池 泥渣絮凝沉淀池 中置式高密度沉淀池 混合 絮凝 沉淀 污泥浓缩 污泥回流 

分 类 号：TU991.6[建筑科学—市政工程]