Denitrification treatment device for modularized vertical subsurface flow constructed wetland
A technology of artificial wetland and vertical subsurface flow, applied in the direction of biological treatment devices, sustainable biological treatment, biological water/sewage treatment, etc., can solve problems such as hypoxia, porosity reduction, low maintenance requirements, etc., to improve reoxygenation and detoxification Nitrogen capacity, reducing difficulty and cost, and reducing the effect of construction difficulty
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[0033] A modular vertical subsurface flow artificial wetland denitrification treatment device treats distributed rural domestic sewage, the service object is three households, and the treated water volume Q3 -Nfigure 1shown. The bottom layer of the wetland is the saturated water catchment area 5, and the matrix in the saturated water catchment area 5 is melon seeds, with a height of 300mm; Place the melon seed slices, the particle size is 10mm. The upper layer of the basic module 4 is laid with a plant water distribution module layer composed of the plant water distribution module 3. Three perforated rubber hoses 6 are arranged in the plant water distribution module layer. They are made of natural rubber, and one end is connected to the water inlet pipe 1, and a pipe clamp is used Connect the hose to the hard tube and seal the other end. In order to ensure the uniformity of water distribution, a time-controlled switch is set on the water inlet pipe 1. The time-controlled swit...
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