Combined roundabout flow type constructed wetland structure
A technology of constructed wetland and circuitous flow, applied in the direction of sustainable biological treatment, water/sludge/sewage treatment, biological water/sewage treatment, etc., can solve the problem of increasing the pollution load of the horizontal subsurface flow and failing to exert the maximum function of the constructed wetland , Biochemical reactions take a long time, etc., to achieve the effect of improving effluent water quality indicators, prolonging residence time, and reducing treatment load
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[0020] refer to figure 1 , figure 2 , the present invention is a composite circuitous flow artificial wetland structure, including the upper circular wetland 1 and the lower circular wetland 2 arranged concentrically, and along the bottom of the lower circular wetland 2 there is a The upper circular wetland 1 is horizontally provided with several water distribution branch pipes 4 connected to the water inlet pipe 3, and the lower circular wetland 2 is provided with some bricks that allow the water to flow around the lower circular wetland 2. wall 5.
[0021] This composite circuitous flow artificial wetland structure can make the water flow detour in the upper and lower circular wetlands by superimposing the upper circular wetland 1 and the lower circular wetland 2 to prolong the residence time of the water flow in the wetland, thus effectively To reduce the pollutant treatment load and improve the effluent water quality index, the overlapping concentric circle structure of...
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