Fine Design of Underground WWTP Based on Complex Land Use Conditions
The second phase of a water purification plant in Huangpu District,Guangzhou City needs to realize the design of an underground wastewater treatment plant(WWTP)with a scale of 50 000 m3/d under the expectation of irregular land shape,complex surrounding environment,low construction land index and high-level above-ground construction and development.In the process design,the"anaerobic-anoxic-oxic+membrane bio-reactor(AAO+MBR)"is adopted to improve the efficiency of land saving.In structural design,the common wall and staggered floor of the unit structures are treated to make the best use of the land.In the graphic design,the utilization rate of the operation space is improved by optimizing the layout of the upper buildings,facilities and equipment,transportation and logistics planning.The land load rate of this project is increased by 36％compared with similar projects,and the cost of direct project construction is lower than 8.5％of the same scale and projects of the similar type in Guangzhou City,which achieves the engineering design target and provides a good demonstration for the design of similar projects.
complex land use conditionsunderground waste water treatment plant(WWTP)anaerobic-anoxic-oxic+membrane bioreactor(AAO+MBR)fine designland load rateconstruction cost
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