A land intensive treatment device for domestic sewage
A technology for strengthening treatment and domestic sewage. It is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. It can solve the problems of difficulty in re-oxygenation in the enhanced treatment process, and achieve the ability to promote denitrification. and the overall treatment effect, the effect of promoting nitrification and accelerating the decomposition of retained organic matter
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[0015] (1) The device is 2m long, 2m wide, and 2.5m deep, and is filled with infiltration medium with a thickness of 2.4m; 0.5m, the particle size of the filtration medium is 32-16-8mm from bottom to top; the middle layer is the middle layer 2 of the filtration medium, 1.4m thick, and the particle size is 0.5-2mm; the upper layer is the top layer 1 of the filtration medium, 0.5m thick , the particle size of the percolation medium is 1-1.2 mm; the outlet pipe 7 is installed on the support layer at the bottom of the percolation medium.
[0016] (2) Lay a main water distribution pipe 4 on the surface of the infiltration medium, and the main water distribution pipe 4 is vertically connected with the main water distribution pipe 10; the main water distribution pipe 4 is vertically connected with a branch water distribution pipe 5 on the surface of the infiltration medium, and the The surface is divided into 4 small grids with an area of one square meter, and a perforated air pipe...
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