[1]张旭东,李志一,庄梦娟,等.基于监测的污水管网有机物沉积降解快速测算方法[J].中国给水排水,2025,41(12):26-32.
　ZHANGXu-dong,LIZhi-yi,ZHUANGMeng-juan,et al.Rapid Estimation Method for Organic Matter Deposition and Degradation in Sewage Pipe Networks Based on Monitoring[J].China Water & Wastewater,2025,41(12):26-32.
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基于监测的污水管网有机物沉积降解快速测算方法

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第41卷 期数: 2025年第12期 页码: 26-32 栏目: 出版日期: 2025-06-17
Title:
Rapid Estimation Method for Organic Matter Deposition and Degradation in Sewage Pipe Networks Based on Monitoring
作者:
张旭东1,2， 李志一1,2， 庄梦娟1,2， 杨婷婷1,2， 赵冬泉1,2
（1.北京清环智慧水务科技有限公司，北京 100086；2.浙江清环智慧科技有限公司，浙江 宁波 315191）
Author(s):
ZHANG　Xu-dong1，2， LI　Zhi-yi1，2， ZHUANG　Meng-juan1，2， YANG　Ting-ting1，2， ZHAO　Dong-quan1，2
（1. Beijing Tsinghuan Smart Water Tech Co. Ltd.， Beijing 100086， China； 2. Zhejiang Tsinghuan Smart Tech Co. Ltd.， Ningbo 315191， China）
关键词:
污水管网;  沉积降解;  入流入渗;  提质增效;  水量水质监测
Keywords:
sewage pipe networks;  deposition and degradation;  inflow and infiltration;  quality and efficiency improvement;  water quantity and quality monitoring
摘要:
有机物在污水管网中的沉积和降解效应是导致污水厂进厂污染物浓度低的原因之一，但在实际诊断工作中尚缺乏可靠的方法对其影响进行不同区域的分区测算。基于流量和污染物负荷守恒原理，并考虑有机物和氮磷在管道中变化过程的差异，提出了一套可以区分入流入渗与有机物沉积降解影响的方法，并选择案例开展应用研究。结果表明，通过水量水质监测，可实现对污水管网分区入流入渗率与有机物沉积降解率的快速测算；研究区域内不同分区的入流入渗率为19.8%～55.6%，沉积降解率为5.4%～33.5%；分区沉积降解率与其管网总长度显著正相关，相关系数达到0.87。该方法的应用可为污水管网有机物浓度低的成因提供更加全面的诊断结论，识别并定位外水入侵与沉积降解严重的区域，为污水管网提质增效工程改造方案的设计和实施提供更可靠的支持。
Abstract:
The deposition and degradation of organic matter in sewage pipe networks is a significant factor contributing to the low inlet concentration of pollutants in wastewater treatment plants. However, there is still a lack of reliable method for estimating their impact in different areas during practical diagnosis work. Based on the conservation of flow and pollutant load, and considering the differences in the transformation processes of organic matter, nitrogen, and phosphorus in the sewage pipe, this paper proposes a method to distinguish the effects of inflow and infiltration from organic matter deposition and degradation. A case study shows that through water quality and quantity monitoring, it is possible to quickly calculate the inflow and infiltration rates as well as organic matter deposition and degradation rates of the sewage pipe network in different areas. In the case study, the inflow and infiltration rates in different areas range from 19.8% to 55.6%, while the deposition and degradation rates vary from 5.4% to 33.5%. The deposition and degradation rates show a significant positively correlated with the total length of the pipe network in each zone, with a correlation coefficient of 0.87. The application of this method can provide more comprehensive diagnostic conclusions for the causes of low organic matter concentration in sewage pipe networks, help identify and locate areas with severe external water intrusion and organic matter deposition and degradation, and provide more reliable support for the design and implementation of engineering reconstruction schemes to improve the quality and efficiency of sewage pipe networks.

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更新日期/Last Update: 2025-06-17