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膜生物反应器工艺联合曝气系统的可行性研究及工程实践

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祁萌, 文湘华, 李波桃, 唐骋彪. 膜生物反应器工艺联合曝气系统的可行性研究及工程实践[J]. 环境工程学报, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
引用本文: 祁萌, 文湘华, 李波桃, 唐骋彪. 膜生物反应器工艺联合曝气系统的可行性研究及工程实践[J]. 环境工程学报, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
shu
Qi Meng, Wen Xianghua, Li Botao, Tang Chengbiao. Feasibility study and engineering practice of combined aeration system in MBR process[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
Citation: Qi Meng, Wen Xianghua, Li Botao, Tang Chengbiao. Feasibility study and engineering practice of combined aeration system in MBR process[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
shu

膜生物反应器工艺联合曝气系统的可行性研究及工程实践

  • 1.

    环境模拟与污染控制国家重点联合实验室, 清华大学环境学院, 北京 100084

  • 2.

    江苏碧水源环境科技有限责任公司, 无锡 214000

  • 3.

    无锡市排水公司城北污水处理厂, 无锡 214011

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2011ZX-07313-002)

  • 中图分类号: X703

Feasibility study and engineering practice of combined aeration system in MBR process

  • 1.

    SKLESPC, School of Environment (SOE) of Tsing hua University, Beijing 100084, China

  • 2.

    Jiangsu Origin Water Environmental Technology Co., Ltd, Wuxi 214000 China

  • 3.

    Wuxi Drainage Company, Chengbei WWTP, Wuxi 214011, China

  • Fund Project:

  • 摘要: 针对目前膜生物反应器(MBR)工程中曝气系统设计与控制方面存在的问题,提出将膜池与生物池曝气管连通并联合调控的工程改造方案,以实现节能降耗的目标。以某实际MBR工程为对象,分别基于伯努利方程和Fluent软件进行计算、模拟和分析,对工程改造方案的可行性、管路与设备等选型进行了研究。结果表明,提出的改造方案是可行的,工程应采用DN250连通管,采用手动蝶阀作为降压阀、电动蝶阀作为调控阀联合工作,可以满足控制需求。据此进行工程改造,系统试运行正常并可以节约14%的能耗,对类似工程设计和改造具有指导意义。
    Abstract: In order to solve the problems on design and control of aeration system in practical MBR engineering, we proposed a retrofit strategy which was to connect the main air pipes for the membrane tanks and aerobic reactors and integrated control the aeration performance. The target was to reduce the energy consumption. We did theoretical analysis and simulation based on the Bernoulli equation and Fluent software to assess the feasibility of the proposed strategy, to determine the connecting pipe diameter and select the equipments. DN250 connecting pipe was recommended. A manual valve for pressure relief and an electric valve for flow control was determined to be suitable for the control requirements of airflow adjustment. The MBR aeration system was then retrofitted based on the proposed solution and was operated satisfactorily with about 14% energy reduction as compared with it before retrofit. These results have significance for the design and retrofit of similar engineering.
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出版历程
  • 收稿日期:  2013-12-17
  • 刊出日期:  2014-12-30
祁萌, 文湘华, 李波桃, 唐骋彪. 膜生物反应器工艺联合曝气系统的可行性研究及工程实践[J]. 环境工程学报, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
引用本文: 祁萌, 文湘华, 李波桃, 唐骋彪. 膜生物反应器工艺联合曝气系统的可行性研究及工程实践[J]. 环境工程学报, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
shu
Qi Meng, Wen Xianghua, Li Botao, Tang Chengbiao. Feasibility study and engineering practice of combined aeration system in MBR process[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
Citation: Qi Meng, Wen Xianghua, Li Botao, Tang Chengbiao. Feasibility study and engineering practice of combined aeration system in MBR process[J]. Chinese Journal of Environmental Engineering, 2015, 9(1): 19-24. doi: 10.12030/j.cjee.20150104
shu

膜生物反应器工艺联合曝气系统的可行性研究及工程实践

  • 1. 环境模拟与污染控制国家重点联合实验室, 清华大学环境学院, 北京 100084
  • 2. 江苏碧水源环境科技有限责任公司, 无锡 214000
  • 3. 无锡市排水公司城北污水处理厂, 无锡 214011
  • 收稿日期:  2013-12-17
基金项目:

国家"水体污染控制与治理"科技重大专项(2011ZX-07313-002)

摘要: 针对目前膜生物反应器(MBR)工程中曝气系统设计与控制方面存在的问题,提出将膜池与生物池曝气管连通并联合调控的工程改造方案,以实现节能降耗的目标。以某实际MBR工程为对象,分别基于伯努利方程和Fluent软件进行计算、模拟和分析,对工程改造方案的可行性、管路与设备等选型进行了研究。结果表明,提出的改造方案是可行的,工程应采用DN250连通管,采用手动蝶阀作为降压阀、电动蝶阀作为调控阀联合工作,可以满足控制需求。据此进行工程改造,系统试运行正常并可以节约14%的能耗,对类似工程设计和改造具有指导意义。

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