ZHONGChong-jun,DAIShi-yu,WANGMan,et al.Double Reduction and One Increase” of Underground Sewage Treatment Plant: A Design Case[J].China Water & Wastewater,2024,40(4):59-65.
地下式污水处理厂“双降一增”设计案例
- Title:
- Double Reduction and One Increase” of Underground Sewage Treatment Plant: A Design Case
- Keywords:
- underground sewage treatment plant; AAOA+MBR; inverted membrane tank; blower system with switchable intake air supply
- 摘要:
- 针对地下式污水处理厂造价高、能耗高、运营管理不便的不足，广州大陵河三华净水厂采取了一些创新做法，包括结合河道堤防巧妙选址解决污水厂落地难问题，充分利用河堤高程减小地下箱体埋深约3.60 m，结合工艺布置将地下箱体优化为4个防火分区，设计强化自然光利用可节约照明能耗约4 088 kW·h/a，工艺鼓风机兼顾地下空间通风可节约通风能耗约60 501 kW·h/a，膜池布置靠近预处理区和泥区提高运营便利性等，为国内地下式污水处理厂“双降一增”（降投资、降能耗、增效率）提供了工程案例借鉴。
- Abstract:
- In response to the shortcomings of high cost, high energy consumption and inconvenient operations management of underground sewage treatment plants, Dalinghe Sanhua water purification plant in Guangzhou has adopted some innovative measures, including combining with river embankments and cleverly selecting locations to solve the problem of difficult landing, making full use of the embankment elevation to reduce the buried depth of the underground tank by approximately 3.60 m, dividing the underground tank into 4 fire zones in combination with the process layout, enhancing the use of natural light to decrease the lighting energy consumption by approximately 4 088 kW·h/year, the air blower being doubled as ventilation of the underground space to save energy consumption of approximately 60 501 kW·h/year, and arranging the membrane tank close to the pretreatment area and sludge treatment area to facilitate the operational convenience and management. Overall, this project provides an engineering case reference for “double reduction and one increase” (i.e. reducing investment and energy consumption, increasing efficiency) of domestic underground sewage treatment plants.
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