Vertical mixed flow type constructed wetland structure
A technology of artificial wetland and mixed flow, which is applied in the direction of water pollutants, water/sludge/sewage treatment, biological water/sewage treatment, etc., which can solve the problems of short hydraulic retention time, increased project cost, and long time required for biochemical reactions To achieve the effect of improving the efficiency of nitrogen and phosphorus removal, prolonging the absorption time and prolonging the residence time
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[0020] refer to figure 1 , figure 2 , the present invention is a vertical mixed flow artificial wetland structure, comprising a pool body 1 with a rectangular cross section, a water inlet pipe 2 arranged at one end of the pool body 1 and a drain pipe 3 arranged at the other end of the pool body 1, located in the pool The body 1 is provided with a number of lower brick walls 4 which are vertical to the bottom of the pool body 1 and are watertight with the bottom, and a number of suspended brick walls 5 with the bottom suspended are arranged between each lower brick wall 4. Each lower brick wall The height of the top of the wall 4 is less than the height of the suspended brick wall 5 and the pool body 1 .
[0021] This vertical mixed-flow artificial wetland structure blocks the water flow by setting the lower brick wall 4 and the suspended brick wall 5 in the pool body 1, so as to prolong the residence time of the water flow in the pool body 1 and prolong the time for sewage t...
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