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作 者:戴勇华 DAI Yonghua(Shanghai Municipal Sewerage Co.,Ltd.,Shanghai 200233,China)
出 处:《净水技术》2024年第9期105-112,150,共9页Water Purification Technology
基 金:上海城投2021年度科技创新计划项目(CTKY-ZDXM-2021-019)。
摘 要:城市排水系统被称为“城市生命线系统”之一,其调度决策直接影响着城市生活的正常运行。竹园片区是上海市中心城三大污水片区之一,目前仍采用“一线一站一厂”的经验调度和运行模式,各设施间存在链接制约,信息滞后严重,相互协调性差,应对流量突变、设施故障的能力较弱。随着排水系统设施进一步完善,片区排水系统将更加复杂,原有的调度模式难以满足不同阶段的运行要求,给城市水系统的安全稳定带来风险。为消除日常调度的水污染隐患,文章利用规则控制法,将原系统细分为7个泵站组团,分析旱天、雨天的水量特征,设定5种运行模式,最终建立了基于数据驱动的一体化运行策略。结果表明,策略可优化排水输送方案,满足实际应用的需求。通过总量控制实现排水设施间的联动联调,助力“旱天不溢流,雨天少放江”。The urban drainage system is called one of the"urban lifeline systems",and its dispatching decision directly affects the normal operation of urban life.The Zhuyuan area is one of the three major sewage areas in the central city of Shanghai.At present,it still adopts the dispatching and operation of"one line,one station and one plant".There are linkage constraints between facilities,serious information lag,poor coordination among them,and weak capacity to respond to sudden changes in traffic and facility failures.With the further improvement of drainage system facilities,the drainage system in the district will become more complex.It is difficult for the original dispatching mode to meet the operation requirements of different stages,which brings risks to the safety and stability of urban water system.In order to eliminate the hidden danger of water pollution in daily dispatching,the rule control method is adopted in this paper.The original system was subdivided into seven pump station group.The characteristics of water quantity in dry and rainy days were analyzed,and five operation modes were set up.Finally,the data-driven integrated operation strategy was established.The results show that the strategy can optimize the drainage transportation scheme and meet the needs of practical application.Through total amount control,the linkage and joint commissioning between drainage facilities can be realized to help"no overflow in dry days and less river discharge in rainy days".
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