水平管沉淀用于低温低浊或高浊原水水厂扩建工程  

Application of Horizontal Tube Sedimentation Technology in Waterworks Expansion Project with Low Temperature,Low Turbidity or High Turbidity Raw Water

作　　者：薛石龙 周密 张良纯 

机构地区：[1]珠海九通水务股份有限公司,广东珠海519000

出　　处：《中国给水排水》2017年第20期100-103,共4页China Water & Wastewater

摘　　要：随着供水水质要求的提高及供水需求量的增加,贵州某水厂增量扩建迫在眉睫,其难点在于原水具有冬季低温低浊、夏季高浊等特点及改扩建场地有限。针对该情况,采用"高效絮核塔+筛板絮凝池+水平管沉淀池"的综合净水技术,经过半年的运行,在满负荷或超负荷运行工况下,低温低浊及高浊等极端原水时期,沉淀池出水浊度均稳定在2 NTU左右。与其他技术相比,该技术具有占地面积小、出水稳定、调试时间短、运行管理便捷等优点,可在水厂新建及改扩建工程中推广应用。With the improving of water quality requirement and increasing of water quantity, a waterworks at Guizhou Province should be upgraded immediately. According to the limited space and the raw water quality of low turbidity in winter and of high turbidity in summer, the combined process of ＂efficient flocculating tower ＋ improved flocculation ＋ horizontal tube sedimentation tank＂ was adopted. The effluent turbidity of the settling tank could reach about 2 NTU under the condition of full load or over- load after operation half a year. With regard to other technologies, this process has advantages such as smaller footprint, stable water quality, simple administration, easy operation and low operation cost com- parison, which could be widely applied in the new waterworks construction and old waterworks recon- struction projects.

关 键 词：水厂改扩建工程 水平管沉淀 高浊水 低浊水 

分 类 号：TU991.2[建筑科学—市政工程]