Sewage and flood flow distributing system for ecologically purifying domestic sewage
A technology for ecological purification and domestic sewage, applied in the fields of environmental engineering and environmental science, can solve problems such as overflow tanks cannot efficiently separate floods, inflatable rubber dams are easily damaged, and purification systems are damaged, achieving both sand sinking and impurity removal The effect of physical function, convenient construction and low maintenance cost
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[0019] Such as Figure 1~2 As shown, the first flood sewage diversion system of the present invention comprises a drainage channel 1, a flood drainage channel 2, a drainage hole 3, and a diversion dam 4. There are water retaining walls 5 on both sides and the bottom of the drainage channel 1, and the diversion dam 4 is located at one side to block Between the water wall and the bottom retaining wall, the diversion dam 4 , one side retaining wall and the bottom retaining wall form a triangle, and the area between the diversion dam 4 and the retaining wall 5 forms the flood discharge channel 2 . Wherein, the diameter c of the drainage hole 3 is 0.15m. Among them, the drainage groove 1 is an inverted trapezoid, the entrance is 3m wide, and the exit is 0.5m wide; the outlet of the drainage hole 3 is equipped with a sand-retaining net 6, the filter is circular, and the sieve hole diameter is 0.002m, and the entrance of the drainage hole 3 is equipped with a grid. 7. The grid mesh ...
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