长沙县金井水厂新建工程工艺设计  

The design of process about the new-built project of Changsha County Jinjing Waterworks

作　　者：张新兵 黄茂林[1] 戴群英[2] ZHANG Xinbing;HUANG Maolin;DAI Qunying(China Machinery International Engineering Design and Research Institute Co.,Ltd.,Changsha 410007,China;Hunan Research Institute of Environmental Protection Sciences,Changsha 410004,China)

机构地区：[1]中机国际工程设计研究院有限责任公司,长沙410007 [2]湖南省环境保护科学研究院,长沙410004

出　　处：《给水排水》2024年第S1期109-113,共5页Water & Wastewater Engineering

摘　　要：介绍了长沙县金井水厂原水水质特点、处理工艺及处理效果。金井水厂水源为金井水库、团结水库、白石洞水库,其中金井水库原水中的有机物、氮、磷等指标浓度不能稳定满足《地表水环境质量标准》(GB 3838-2002)Ⅲ类标准值要求,设计水处理工艺为:预臭氧+絮凝气浮+絮凝沉淀+砂滤+臭氧生物活性炭吸附过滤+二氧化氯消毒,水厂投产以来,出水各项水质指标均符合《生活饮用水卫生标准》(GB 5749-2006)要求,处理工艺对藻类去除达97%,对耗氧量的去除率为75%,此外,处理工艺对水中铁锰具有良好的去除效果。This paper introduces the characteristics of raw water quality,treatment process and treatment effect of Changsha County Jinjing Waterworks that is supplied by Jinjing reservoir,Tuanjie reservoir and Baishidong reservoir,and the water quanlity index such as organic matter,nitrogen,phosphorus concentration of Jinjing reservoir is not stable to meet the ClassⅢstandard values for environmental quality standards for surface water(GB 3838-2002),the process designed to treatment water is Pre-Ozonation+coagulation-floatation+flocculation-sedimentation+Quartz sand filtration+Ozone biological activated carbon adsorption and filtration+chlorine dioxide disinfection,Since the waterworks was put into operation,the effluent water quality indexes are meet the requirements of standard for drinking water quality(GB 5749-2006),The removal rate of algae by the treatment process is 97%,and the Removal rate of oxygen consumption is 75%,in addition,The treatment process has good removal effect on iron and manganese in water.

关 键 词：水库水 微污染 藻类 水厂 臭氧 气浮 活性炭 二氧化氯 

分 类 号：TU991[建筑科学—市政工程]