[1]周水良,刘东东,汤磊,等.泵排式污水系统入流入渗的综合评估方法研究[J].中国给水排水,2022,38(23):74-79.
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泵排式污水系统入流入渗的综合评估方法研究

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第38卷 期数: 2022年第23期 页码: 74-79 栏目: 出版日期: 2022-12-01
Title:
Comprehensive Evaluation of Inflow and Infiltration in Pump Drainage Sewage System
作者:
周水良1， 刘东东2， 汤磊2， 程晓1， 魏佳峰3， 韩富亘3， 周永潮2， 张仪萍2
（1.平湖市水务投资<集团>有限公司，浙江 嘉兴 314299；2.浙江大学 建筑工程学院，浙江 杭州 310030；3.浙江润意水务科技有限责任公司，浙江 嘉兴 314000）
Author(s):
ZHOU　Shui-liang1， LIU　Dong-dong2， TANG　Lei2， CHENG　Xiao1， WEI　Jia-feng3， HAN　Fu-gen3， ZHOU　Yong-chao2， ZHANG　Yi-ping2
（1. Pinghu City Water Investment Co. Ltd.， Jiaxing 314299， China； 2. College of Civil Engineering and Architecture， Zhejiang University， Hangzhou 310030， China； 3. Zhejiang Runyi Water Technology Co. Ltd.， Jiaxing 314000， China）
关键词:
泵排式污水系统;  入流入渗;  降雨;  评估
Keywords:
pump drainage sewage system;  inflow and infiltration;  rainfall;  evaluation
摘要:
降雨导致的入流入渗现象是影响污水管网运行的主要问题，对入流入渗进行评估是提升污水管网管理水平的重要内容。泵排式污水系统的排放流量受泵站控制，而在大雨工况下由于污水处理厂负荷的制约，泵站往往处于关闭状态，因此以排放流量作为主要评估依据的传统方法无法适用。为此，笔者以PH市独山1#排水系统为案例，以开泵事件为研究对象，在三类运行工况下，综合分析液位、流量和水质的变化规律，从而进行入流入渗评估。结果表明，该排水系统既存在降雨时的直接入流，也存在降雨导致的入渗现象，但总体以直接入流为主，入渗量相对较少。通过水质分析可知，电导率对晴雨天变化具有较好的响应，且电导率数据相对较易监测，因此可把电导率作为入流入渗的评估指标。
Abstract:
Rainfall-derived inflow and infiltration is the main problem affecting the operation of sewage networks. The evaluation of inflow and infiltration is an important task to improve the management level of sewage networks. The discharge flow of pump drainage sewage systems is controlled by their pump stations. However, the pump station is often stopped due to the restriction of the load of the sewage treatment plant under heavy rain conditions. Therefore, traditional methods based on discharge flow as the main evaluation basis are not applicable. This paper comprehensively analyzed the change rules of water level, flow and water quality in pump opening events of Dushan 1# sewer system in PH city under three types of operating conditions, so as to evaluate the impact of inflow and infiltration. In the drainage system, there was both direct inflow during rainfall and infiltration caused by rainfall. However, it was mainly direct inflow, with relatively small infiltration. The water quality analysis showed that conductivity had a good response to the change of sunny and rainy days. In addition, conductivity was relatively easy to detect, so it could be used as the evaluation index of inflow and infiltration.

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更新日期/Last Update: 2022-12-01