From 2018 to 2019
This is a demonstration project for the Sponge City construction in Guyuan, including the construction of the combined overflow storage tank and the renovation of the end outlet. The combined overflow storage tank has a capacity of 8000m³, and a total of 5 diverting rainwater outlets have been renovated.
Overflow control and intelligent storage proposals are adopted, passive backstop equipment and passive overflow depollution equipment are used in the overflow well of the outfalls, suitable for no power conditions. The storage tank adopts a partition design and is equipped with gate type flushing system, flat fine grid, and electrical regulator
