摘要
【目的】为了解决河道的初期雨水污染问题,【方法】以即墨区墨水河下游段初期雨水调蓄工程为研究对象,从初期雨水准确分离以及调蓄处理切入,选择了合适的初期雨水收集和处理模式,采用芝加哥雨型进行了设计暴雨时程分配雨型的分析,系统地进行了初始雨水截留量和截留流量的研究。文章介绍了初期雨水收集处理系统的工艺流程、初期雨水分离装置设计、调蓄池设计及运行模式状态等关键技术要点,以期为类似工程提供可借鉴的经验和技术支持。【结果】项目实施后,初期雨水截留效果明显,收集到的初期雨水化学需氧量质量浓度达到300~800 mg/L,总氮质量浓度达到2~8 mg/L,悬浮固体质量浓度达到200~500 mg/L。【结论】对墨水河水质由Ⅴ类提高至Ⅳ类起到了重要作用。
[Objective]It is in order to solve the non-poit source pollution casyed by initial rainwater to the rivers.[Methods]This paper takes the initial rainwater regulation and storage project of Moshui River in Jimo District as the research object,selected the appropriate collection and treatment mode starting from the initial rainwater′s accurate separation and storage,analyzed the distribution rain pattern of the design storm course with the Chicago rain pattern,and systematically studied the initial rainwater′s interception quantity and flow.The key technical points of the initial rainwater collection and treatment system,such as the process flow,initial rainwater separation device design,storage tank design and operation mode state,were introduced in order to provide reference experience and technical support for similar projects.[Results]The effect on the initial rainwater interception is obvious after the implementation of the project,chemical oxygen demand mass concentration reaches 300~800 mg/L,total nitrogen mass concentration reaches 2~8 mg/L,suspended solid mass concentration reaches 200~500 mg/L.[Conclusion]The project plays an important role in improving the water quality of the Moshui River from class Ⅴ to class Ⅳ.
作者
王金鑫
姜秀艳
谢毅
WANG Jinxin;JIANG Xiuyan;XIE Yi(Central&Southem China Municipal Engineering Design and Research Institute Co.,Ltd.,Wuhan 430010;China Qingdao Municipal Engineering Design and Research Institute Co.,Ltd.,Qingdao 266000)
出处
《净水技术》
2025年第4期159-165,共7页
Water Purification Technology
关键词
初期雨水
芝加哥雨型
初期雨水分离装置
调蓄池
系统控制
initial rainwater
Chicago hyetograph method
initial rainwater separation device
rainwater storage
system control
