与黑臭水体治理协同的海绵城市建设案例实践

Case Practice of Sponge City Construction in Conjunction with Black and Odorous Water Treatment

在城市黑臭水体治理的同时,合理落实海绵城市建设理念是最新政策要求。以深圳市光明区鹅颈水为例,介绍了黑臭水体治理与海绵城市建设协同建设实践。在鹅颈水水体治理中,雨水径流源头污染控制与“控源截污、内源治理、生态修复、活水提质、长制久清”等黑臭水体治理工作协同,在河道整治、绿化景观、雨污水分流改造、正本清源等工程中落实海绵城市技术措施,充分发挥海绵城市技术措施对雨水径流的源头削减、过程控制、末端处理作用,实现了“绿色”基础设施与“灰色”基础设施的协同。鹅颈水河道治理实施效果表明,流域内的光明水质净化厂进水水量及进水污染物浓度实现双提升,河道已经稳定消除黑臭现象,水环境和水景观均明显好转。

During the process of black and odorous water treatment in cities,rational implementing the concept of sponge city is the latest policy requirements of governance.Taking the Ejingshui River in Guangming District of Shenzhen as an example,the practice of cooperative construction of black and odorous water body and sponge city construction was introduced.In the treatment of Ejingshui River,the source control of rainwater runoff pollution was connected with the treatment of black and odorous water bodies such as“control source interception,endogenous treatment,ecological restoration,flowing water upgrading,long-term clearing”.In the river water quality improvement,green landscape,rainwater and wastewater diversion,and the project of making order out of confusion,the technical measures of the sponge city were implemented fully to reduce the source,process control and end treatment of the stormwater runoff.The collaboration between“green”infrastructure and“grey”infrastructure was realized.The results showed that the influent flow and pollutant concentration of Guangming wastewater treatment plant were increased,the water environment and landscape of Ejingshui River were improved,the black and odorous phenomenon disappeared.