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现代化工  2021, Vol. 41 Issue (4): 194-199    DOI: 10.16606/j.cnki.issn0253-4320.2021.04.041
  工业技术 本期目录 | 过刊浏览 | 高级检索 |
可调容积型多级AO工艺模拟仿真系统的构建及其稳定调控研究
吕志超1,2, 宋秀兰1, 席玉鹤2, 苏小莉2, 董文艺2, 孙飞云2
1. 太原理工大学环境科学与工程学院, 山西 太原 030024;
2. 哈尔滨工业大学(深圳)土木与环境工程学院, 广东 深圳 518000
Construction and stable control of simulation system for volume-adjustable multi-stage AO process
LV Zhi-chao1,2, SONG Xiu-lan1, XI Yu-he2, SU Xiao-li2, DONG Wen-yi2, SUN Fei-yun2
1. College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
2. School of Civil and Environmental Engineering, Harbin Institute of Technology(Shenzhen), Shenzhen 518000, China
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摘要 针对污水生化处理过程中关键水质参数难以实时监测、进水冲击负荷变化下难以及时稳定调控等问题,在中试水平下连续运行可调容积型多级AO工艺,探究瞬时监测的各单元工艺参数(DO、ORP、pH)与延时水质参数(COD、氨氮、总氮)的相关性与转换性以及ASM2d模型仿真数据,通过构建模拟仿真系统,确保中试水平的多级AO工艺稳定运行与调控。结果表明,工艺运行过程中不同单元的瞬时pH、氧化还原电位(ORP)、温度(T)、溶解氧(DO)等参数与工艺各阶段的关键水质指标(COD、TN、TP、NH4+-N、NO3--N等)具有较高的相关性,通过仿真软件数据库优化拟合获得实时的工艺调控指导方案,实现工艺的及时地调控与参数修正,优化运行工艺保证出水水质稳定,达到地方排放标准的目标。
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吕志超
宋秀兰
席玉鹤
苏小莉
董文艺
孙飞云
关键词:  多级AO  在线监测  水质指标  污水处理厂    
Abstract: In order to monitor key water quality parameters in the biochemical treatment of sewage in real time and to adjust the stability in time under the impact of the influent load,a multi-stage AO process with adjustable volume runs continuously at a pilot scale.The correlation and conversion between the process parameters (DO,ORP and pH) of each unit monitored instantaneously and the delayed water quality parameters (COD,ammonia nitrogen and total nitrogen,etc.) are explored,and ASM2d model simulation data are investigated.A simulation system is constructed to ensure the stable operation and regulation of multi-stage AO process at a pilot level.Results show that instantaneous parameters such as pH,ORP,T,DO of different units in the process are highly correlated with key water quality indexes (COD,total nitrogen,total phosphorus,ammoniacal-nitrogen and nitrate-nitrogen etc.) in each stage of the process.Through simulation software database optimization and fitting,a real-time process control guidance scheme can be obtained,real-time process control and parameter correction can be achieved,and the optimized operation process ensures the quality of the effluent water quality to meet the local discharge standards.
Key words:  multi-level AO    online monitoring    water quality indicators    sewage treatment plant
收稿日期:  2020-04-20      修回日期:  2021-02-02          
ZTFLH:  X703.1  
基金资助: 国家水体污染控制与治理科技重大专项(2015ZX07306001)
通讯作者:  孙飞云(1982-),男,博士,副教授,研究方向为污水处理和资源化、饮用水深度处理、城市雨水利用技术、膜分离技术及其过程开发等,通讯联系人,shzhhit@163.com。    E-mail:  shzhhit@163.com
作者简介:  吕志超(1995-),男,硕士生
引用本文:    
吕志超, 宋秀兰, 席玉鹤, 苏小莉, 董文艺, 孙飞云. 可调容积型多级AO工艺模拟仿真系统的构建及其稳定调控研究[J]. 现代化工, 2021, 41(4): 194-199.
LV Zhi-chao, SONG Xiu-lan, XI Yu-he, SU Xiao-li, DONG Wen-yi, SUN Fei-yun. Construction and stable control of simulation system for volume-adjustable multi-stage AO process. Modern Chemical Industry, 2021, 41(4): 194-199.
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https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2021.04.041  或          https://www.xdhg.com.cn/CN/Y2021/V41/I4/194
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