河道旁路人工湿地设计要点分析——以华北地区某河道旁路人工湿地为例

宋凯宇; 吕丰锦; 张璇; 魏俊; 赵炜; 周强; 陈浩

doi:10.12153/j.issn.1674-991X.20200017

河道旁路人工湿地设计要点分析——以华北地区某河道旁路人工湿地为例

doi: 10.12153/j.issn.1674-991X.20200017

宋凯宇^1,,
吕丰锦¹,
张璇²,
魏俊^1,*, ,,
赵炜¹,
周强¹,
陈浩³

1.
中国电建集团华东勘测设计研究院有限公司
2.
北京师范大学水科学研究院

详细信息

作者简介:
宋凯宇(1985—)男,高级工程师,主要研究方向为水污染控制,song_ky2@ecidi.com

通讯作者:
魏俊 E-mail: wei_j@ecidi.com

中图分类号: X522
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- 被引次数: 0
出版历程
- 收稿日期: 2020-02-14
- 刊出日期: 2021-01-20

Design points for river bypass constructed wetland: take a river bypass constructed wetland in North China as an example

1.
Huadong Engineering Co., Ltd., POWER CHINA
2.
College of Water Sciences, Beijing Normal University3.Nanjing University Ecological Research Institute of Changshu

More Information

Corresponding author: WEI Jun E-mail: wei_j@ecidi.com

摘要

摘要: 旁路人工湿地是河道水环境治理的常用工程措施之一,已在国内广泛应用,但因实施边界条件复杂,目前对其工程应用方面开展的系统研究较少。通过工程案例的收集与数据分析,系统梳理了河道旁路人工湿地的功能定位与设计目标、设计技术路线及边界条件,分析了工艺选择、总平面布置、工艺单元设计、竖向高程设计及重点单项工程设计等要点,并以华北地区某河道处理规模为20.0万m³/d的旁路人工湿地工程为案例,详细阐述了设计要点在案例工程中的应用。案例湿地采用兼性塘+水平潜流湿地+表流湿地+好氧塘组合处理工艺,共设7个处理分区,每个分区内部处理单元串联布置,河道进水在兼性塘经提升后可实现自流出水,冬季进水水质达到GB 3838—2002《地表水环境质量标准》Ⅳ类时,湿地出水可满足设计目标要求,且运行费用较低(0.1元/m³)。
- 河道 /
- 旁路 /
- 人工湿地 /
- 设计要点
Abstract: River bypass constructed wetland is one of the common engineering measures for river water environment control. The implementation of boundary conditions is complex and, although it has been widely used in China, few systematic studies have been carried out on its engineering application. Through the collection and data analysis of engineering cases, the functional positioning and design objectives, design technical route and boundary conditions of constructed wetland in river bypass were systematically sorted out, and the key points of process selection, general layout, process unit design, vertical elevation design and key single project design were analyzed. Taking a bypass constructed wetland project with a river treatment scale of 200 000 m³/d in North China as a case, and the application of design key points in the case project was expounded in detail. The case wetland adopted the combination treatment technology of facultative pond + horizontal subsurface current wetland + surface flow wetland + aerobic pond, and there were 7 treatment zones. Each partition was arranged in series with internal treatment units. The river inlet could be discharged by gravity after lifted by the facultative pond. When the influent water quality in winter reached Grade Ⅳ of Environmental Quality Standards for Surface Water (GB 3838-2002), the wetland effluent could meet the design goals and objectives, and the operation cost was low (0.1 yuan/m³).
- river /
- bypass /
- constructed wetland /
- design points

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