Multistage-series stepped natural-type artificial wetland and construction method
A constructed wetland and stepped technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of low treatment efficiency, unfavorable large-scale promotion, low void ratio, etc. Problems, to achieve the effect of improving purification capacity and speed, benefiting water purification, and increasing purification effect
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[0018] The present invention will be further described below in conjunction with the drawings and embodiments.
[0019] Such as figure 1 , figure 2 As shown, the top and cross-sectional structure diagrams of the constructed wetland of the present invention are respectively given, figure 1 The perspective drawing method is used in the paper, so the artificial porous infiltration pipe 7 in the matrix layer 6 can be seen, which includes the foundation 10, the first wetland 1, the second wetland 2, the Nth wetland 3, the cloth water ditch 4, Drainage ditches 5, matrix layer 6, artificial porous infiltration pipe 7, soil layer 8, and aquatic plants 9; the shown first-level wetland 1, second-level wetland 2,..., N-th level wetland 3 are arranged in parallel at intervals On the foundation 10, the sewage to be purified flows from left to right. A water distribution ditch 4 is formed between two adjacent wetlands, and the outer side of the last wetland is a drainage ditch 5. Along the d...
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