LIU Zhan-guang,TAN Xue-jun,CHEN Yan.Evaluation and Diagnosis of Urban Sewage Pipe Network Based on Water Flow Analysis and Node Monitoring[J].China Water & Wastewater,2021,37(17):32-37.
基于水量分析和节点监测的城镇污水管网评估诊断
- Title:
- Evaluation and Diagnosis of Urban Sewage Pipe Network Based on Water Flow Analysis and Node Monitoring
- Keywords:
- sewage drainage system; quality and efficiency improvement; water flow analysis; node monitoring; tracing analysis
- 摘要:
- 基于现场排查、水量分析、节点监测等方法对某污水泵站所属的排水系统进行初步诊断，并通过溯源分析缩小问题管段范围，进而提出有针对性的解决方案。泵站的雨天流量达到旱天流量的2.4倍，表明泵站上游的排水系统存在较严重的雨污混接现象；泵站的旱天水质浓度显著低于生活污水，大部分时段瞬时样COD在110~140 mg/L之间，混合样COD和BOD5分别为165、81.6 mg/L，表明泵站的上游管网存在旱天外水入流现象；管网节点的雨天水质浓度均有不同程度的下降，其中两条支管的雨天总氮浓度较旱天分别下降了78%和60%，通过溯源分析进一步评估不同支线对泵站水质浓度降低的贡献率，缩小雨污混接管段范围。该方法可为我国污水管网系统的提质增效工作提供参考。
- Abstract:
- The preliminary diagnosis of a drainage system of a sewage pump station was carried out based on on-site inspection, water flow analysis, node monitoring and other methods. Through tracing analysis, the scope of the problem pipe section was narrowed, and then the targeted solution was proposed. The rainwater flow rate of the pumping station reached 2.4 times that of the dry weather, indicating that there was a serious misconnection of rainwater and sewage pipes in the upstream drainage system of the pumping station. The water quality of the pumping station was significantly lower than that of the domestic sewage in the dry weather. The COD of the instantaneous samples were between 110 mg/L and 140 mg/L most of the time, and the COD and BOD5 of the mixed samples were 165 mg/L and 81.6 mg/L, respectively, indicating that there was an inflow of external water in the upstream pipe network of the pumping station in dry weather. The water quality of the pipe network nodes decreased in different degrees in rainy days, and the total nitrogen of the two branch pipes decreased by 78% and 60%, respectively. The contribution rate of different branch pipes to the pollutant concentration reduction in the sewage pump station was further evaluated through tracing analysis, and the scope of misconnection of rainwater and sewage pipes was narrowed. The method can provide reference for improving the quality and efficiency of sewage pipe network systems in China.
相似文献/References:
[1]邢玉坤,曹秀芹,柳婷,等.我国城市排水系统现状、问题与发展建议[J].中国给水排水,2020,36(10):19.
[2]吕永鹏.城镇污水处理提质增效“十步法”研究与应用[J].中国给水排水,2020,36(10):82.
[3]闫攀,赵杨,车伍,等.中国城市合流制溢流控制的系统衔接关系剖析[J].中国给水排水,2020,36(14):37.
YAN Pan,ZHAO Yang,CHE Wu,et al.Analysis of the Conjunctive Relationship of Urban Combined Sewer Overflow Control System in China[J].China Water & Wastewater,2020,36(17):37.
[4]时珍宝,谭琼.基于水力模型的排水系统防涝应急调度预案制定[J].中国给水排水,2020,36(15):93.
SHI Zhen-bao,TAN Qiong.Formulation of Emergency Dispatching Plan for Waterlogging Prevention of Drainage System Based on Hydraulic Model[J].China Water & Wastewater,2020,36(17):93.
[5]张亮,俞露,汤钟.基于“厂-网-河-城”全要素的深圳河流域治理思路[J].中国给水排水,2020,36(20):81.
ZHANG Liang,YU Lu,TANG Zhong.Thought of Pollution Control in Shenzhen River Basin Based on the Whole Factor of “Plant, Network, River and City”[J].China Water & Wastewater,2020,36(17):81.
[6]赵明,孙坚.污水截流系统问题分析及改良策略[J].中国给水排水,2020,36(20):100.
ZHAO Ming,SUN Jian.Problem Analysis and Strategies for Improvement of Sewage Interception System[J].China Water & Wastewater,2020,36(17):100.
[7]陈泽鑫,邹秋云,江璟航,等.珠海市横琴新区污水系统病害分析及提质增效思路[J].中国给水排水,2021,37(2):78.
CHEN Ze-xin,ZOU Qiu-yun,JIANG Jing-hang,et al.Analysis of Sewage System Problems in Hengqin New Area of Zhuhai City and Ideas of Improving Quality and Efficiency[J].China Water & Wastewater,2021,37(17):78.
[8]苏东霞,吕放放,刘学锋,等.北京某区域低影响开发措施实施效果分析[J].中国给水排水,2021,37(3):110.
SU Dong-xia,Lü Fang-fang,LIU Xue-feng,et al.Analysis on Implementation Effect of Low Impact Development Measures in a Region of Beijing[J].China Water & Wastewater,2021,37(17):110.
[9]沈小华,齐国辅,耿宏,等.管网异常（水质浓度低）排查技术路线和案例分析[J].中国给水排水,2021,37(4):97.
SHEN Xiao-hua,QI Guo-fu,GENG Hong,et al.Technical Route and Case Analysis of Drainage Network Abnormity Investigation for Low Water Quality Concentration[J].China Water & Wastewater,2021,37(17):97.
[10]刘龙志,王浩正,黄荣,等.流域治理视角下排水系统匹配性评估方法[J].中国给水排水,2021,37(6):24.
LIU Long-zhi,WANG Hao-zheng,HUANG Rong,et al.Evaluation Methods of Drainage System Matching from the Perspective of Watershed Management[J].China Water & Wastewater,2021,37(17):24.
[11]张月,方帅,王阳,等.九江黑臭水体治理与提质增效技术的阶段性总结[J].中国给水排水,2020,36(20):77.
ZHANG Yue,FANG Shuai,WANG Yang,et al.Phased Summary of Black and Odorous Water Body Management and the Quality and Efficiency Improvement Technology in Jiujiang[J].China Water & Wastewater,2020,36(17):77.
[12]刘云帆,栗玉鸿,孔烨,等.基于清污分流的丘陵地区城镇污水提质增效方法与实践[J].中国给水排水,2021,37(8):107.
LIU Yun-fan,LI Yu-hong,KONG Ye,et al.Methods and Practices of Quality and Efficiency Improvement of Municipal Wastewater Treatment in Hilly Areas Based on Water-sewage Diversion[J].China Water & Wastewater,2021,37(17):107.