FANGGang,TANGYing-dong,LOUShao-hua,et al.Practice of Improving Quality and Efficiency of the Sewage System of a WWTP in Maozhou River Basin[J].China Water & Wastewater,2022,38(20):96-101.
茅洲河流域水质净化厂污水系统提质增效实践
- Title:
- Practice of Improving Quality and Efficiency of the Sewage System of a WWTP in Maozhou River Basin
- 摘要:
- 针对茅洲河流域某水质净化厂进水浓度低、水量波动大、运行水位高的问题，分别从污水干管节点水质变化特征、工业区废水水质、沿河截污管、雨污混接及总口截流四个维度开展调查与分析，有针对性地实施污水管修复与翻建、雨污分流改造、沿河截污管改造等工程。通过上述工程措施的实施，地下水、河水、雨水等进入污水系统的外水量减少，水质净化厂进水BOD5浓度稳步提升，进水泵房水位波动幅度收窄，污水收集系统收集率显著提高，可为其他水质净化厂污水收集系统提质增效提供借鉴。
- Abstract:
- Aiming at the problems of low influent concentration, large water quantity fluctuation, and high operating water level of a wastewater treatment plant (WWTP) in Maozhou River basin, four aspects are investigated and analyzed respectively, including the variation feature of water quality at main sewer nodes, wastewater quality of industrial district, interception pipes along the river, illicit connection of stormwater and sewage and interception of final outlet. Targeted implementation of sewage pipe repair and renovation, reconstruction of stormwater and sewage diversion, reconstruction of sewage interception pipes along the river and other projects were carried out. As the results of the above projects, the amount of external water such as groundwater, river and stormwater entering the sewage system has been reduced, the influent BOD5 concentration has been steadily increased, the fluctuation range of the water level in the influent pump room has been narrowed, and the collection rate of the sewage collection system has been significantly improved, which could provide reference for improving the quality and efficiency of the sewage collection system of other WWTPs.
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