XU Jing,LI Xue-qin,CHEN Yu-xing.Application of Stainless Steel Water Purification Device in the Whole Process of a Waterworks[J].China Water & Wastewater,2021,37(6):138-142.
不锈钢净水装置在给水厂全流程工艺中的应用
- Title:
- Application of Stainless Steel Water Purification Device in the Whole Process of a Waterworks
- 摘要:
- 皖北农村地区较多使用地下水，存在铁、锰和氟超标的情况。2019年安徽省蒙城县启动了第二批农村饮用水安全巩固提升工程，对罗集水厂进行水源置换，取茨淮新河地表水，在罗集水厂扩建1座制水车间，设计规模1.5×104 m3/d，处理后供到罗集水厂和立仓水厂的清水池。该项目主体采用预臭氧+机械混合+网格絮凝+斜管沉淀+V型滤池和后臭氧+活性炭砂滤池的净水工艺，为不锈钢净水装置。2020年5月完成调试，目前供水1.1×104 m3/d，出水各项指标优于生活饮用水标准，其中浊度平均为0.172 NTU。
- Abstract:
- Groundwater is widely used in rural areas of northern Anhui, and there are some cases of excessive iron, manganese and fluorine. The second batch of rural drinking water safety consolidation and upgrading project was launched in 2019 in Mengcheng County, Anhui Province. In Luoji Waterworks, the water source was replaced by surface water from Cihuaixin River, a water treatment workshop was expanded with a design capability of 15 000 m3/d and effluent was sent to the clear-water reservoirs for Luoji and Licang Waterworks after treatment. The stainless steel water purification device mainly adopted the process of pre-ozone, mechanical mixing, grid flocculation, inclined pipe settlement, V-type filter and post-ozone, as well as activated carbon sand filter. Commissioning was completed in May 2020. At present, the daily water supply is 11 000 m3/d, and all the effluent indexes are superior to the standard of drinking water, including turbidity of 0.172 NTU.
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