Key Points of Vertical Design and Engineering Examples of Underground WWTP
With urban development,the building of wastewater treatment plants(WWTPs)makes surrounding land depreciation obviously.The construction of underground WWTPs can solve these problems especially,including"not-in-my-backyard",enhancing surrounding environmental quality and land use value.However,flood risk is the maximum risk point of underground WWTPs.The key solution to solve the flooding is adopting accurate vertical design.The vertical design of underground WWTPs includes design of box height,vertical design of plant area,design of inlet pipe,outlet pipe,box pipes and drainage.There are many national standards and professional standards to standardize its design.Based on two underground WWTPs under construction in Sichuan,this paper has a targeted discussion on the key points of design thought and scheme in three aspects,including vertical design of underground WWTPs by analyzing design thinking and method contrastively of vertical design of box and plant area,inlet flow control well,box pipes and drainage.Overall,these two projects provide an engineering case reference for vertical design of underground WWTPs.
underground wastewater treatment plant(WWTP)vertical designinlet flow control welldrainage designengineering example
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