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沉淀池一维分层水力模型参数校核及模拟应用 被引量:2

Parameter Calibration and Simulation Application of One-dimensional Layered and Hydraulic Settler Model
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摘要 通过在沉淀池一维分层模型中纳入弥散项和异重流,建立沉淀池一维分层水力模型,并选用Takács模型描述沉淀池中悬浮固体的沉降速率.根据沉淀池的运行特性,结合污泥层高度的算法,建立模型参数校核的评价指标.针对模型中参数较多、校正困难的问题,利用经验公式率定结合灵敏度分析的方法,提出了通用的参数校核方案.参数校核后的沉淀池模型,能够很好地模拟中试试验实测的悬浮固体曲线、出水和底流的悬浮固体质量浓度和污泥层高度. A one-dimensional (1D) layered and hydraulic settler model with Takdcs settling velocity model was constructed by the incorporation of dispersion item and density current. Evaluation indices for parameter calibration were put forward based on sludge blanket height (SBH) algorithm and the operational characteristics of settlers. A general parameter calibration protocol was advanced by empirical formula estimation together with sensitivity analysis for the settler model with multiple parameters. With parameter calibration, the settler model fits well for SS profile, overflow and underflow SS concentrations, and SBHs measured in three pilot-scale settler tests.
出处 《同济大学学报(自然科学版)》 EI CAS CSCD 北大核心 2009年第2期229-233,共5页 Journal of Tongji University:Natural Science
基金 国家自然科学基金资助项目(50138010)
关键词 沉淀池 数学模型 污泥层高度 灵敏度分析 参数校核 settler mathematical model sludge blanke theight sensitivity analysis parameter calibration
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参考文献16

  • 1屈强,马鲁铭,王红武.辐流式二沉池固液两相流数值模拟[J].同济大学学报(自然科学版),2006,34(9):1212-1216. 被引量:45
  • 2Jeppsson U, Diehl S. An evaluation of a dynamic model of the secondary clarifier [J]. Water Science and Technology, 1996, 34(5- 6) : 19.
  • 3Copp J B. The COST simulation benchmark: description and simulator manual [M]. Luxembourg.. Office for Official Publication of the European Community, 2002.
  • 4Hamilton J,Jain R, Antoniou P, et al. Modeling and pilot-scale experimental verification for predenitrification process [J]. Journal of Environmental Engineering, 1992,118(1) : 38.
  • 5Taebi Harandy A, Schroeder E D. Formation of density currents in secondary clarifier[J]. Water Research,2000,34(4) : 1225.
  • 6Dupont R, Dahl C. A one-dimensional model for a secondary settling tank including density current and short circuiting [J]. Water Science and Technology, 1995,31 (2) : 215.
  • 7Vesilind P A . Design of prototype thickeners from batch settling tests [J]. Water Sew Works, 1968,115 (7) : 302.
  • 8Takacs I, Patty G G, Nolasco D. A dynamic model of the clarification-thickening process [J]. Water Research, 1991,25(10): 1263.
  • 9Grijspeerdt K, Vanrolleghem P, Verstratete W. Selection of one-dimensional modeling of sedimentation., models for on-line use [J]. Water Science and Technology, 1995,31(2): 193.
  • 10Ekama G A, Barnard J L, Gunthert F W, et al. Secondary settling tanks, theory, modeling, design and operation [R]. London.. IAWQ, 1997.

二级参考文献15

  • 1马鲁铭 高廷耀.上海市城市污水处理厂二次沉淀池运行工况的调查研究.中国给水排水,1988,4(2):16-20.
  • 2Anderson N E.Design of settling tanks for activated sludge[J].Sewage Works Journal,1945,17(1):50.
  • 3Bretscher U,Krebs P,Hager W H.Improvement of flow in final settling tanks[J].Journal of Environmental Engineering,ASCE,1992,118(3):307.
  • 4Krebs P,Armbruster M,Rodi W.Laboratory experiments of buoyancy-influenced flow in clarifiers[J].Journal of Hydraulic Research,1998,36(5):831.
  • 5Krebs P,Stamou A I,Garcia-Heras.Influence of inlet and outlet configuration on the flow secondary clarifiers[J].Water Science and Technology,1996,34(5-6):1.
  • 6Lyn D A,Stamou A I,Rodi W.Density currents and shearinduced flocculation in sedimentation tanks[J].Journal of Hydraulic Engineering,1992,118(6):849.
  • 7Takacs I,Patry G,Nlasco D.A dynamic model of the clarification-thickening process[J].Water Research,1991,25(10):1263.
  • 8Zhou S,McCorquodale J A.Modeling of rectangular settling tanks[J].Journal of Hydraulic Engineering,1992,118 (10):1391.
  • 9Fluent Inc.Fluent documentation[R].[s.l.]:Fluent Inc,2003.
  • 10Yakhot V,Smith L M.The renormalization group--the expansion and derivation of turbulence models[J].Journal of Science Computing,1992,7(1):31.

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