Self-cleaning micro-aeration vertical deflection wetland sewage treatment device and method
A sewage treatment device, self-cleaning technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc. and other problems to achieve the effect of reducing the accumulation of minerals, reducing the probability of clogging and prolonging the service life
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Embodiment 1
[0029] Embodiment 1 The structure of the device of the present invention
[0030] see figure 1 , figure 2 , image 3 with Figure 4 , The device of the present invention includes a water distribution area 1, a pool body 2, a water collection area 3, an inlet pipe 4, an outlet pipe 5, a valve 17, a backwash pipe 11, an aeration pipe, a packing layer 6, aquatic plants 7, and the like. The water inlet pipe 4 and the water outlet pipe 5 are respectively installed at the bottom of the water distribution area 1 and the water collection area 3. A valve 17 is installed on the water inlet pipe 4 and the water outlet pipe 5. The water outlet of the water distribution area 1 adopts the overflow method, and the pool body The outlet water of 2 flows into the catchment area 3 by way of overflow.
[0031] The pool body is composed of multi-level vertical baffle wetlands with different treatment functions connected in series. Along the water flow direction, there are anaerobic wetlands, ...
Embodiment 2
[0038] Embodiment 2 adopts the treatment system of the present invention to carry out sewage treatment
[0039] 1. When the system works normally, the implementation method is as follows:
[0040] Before the pool body 2 runs, the valves 17 on all backwash pipes are closed earlier. After a certain pre-treatment, the sewage flows into the water distribution area 1 through the water inlet pipe 4, and then flows from the water distribution area 1 into the pool body 2 filled with fillers with a depth of 700-1500 mm through the overflow method. Under the action of the retaining wall 19, the sewage passes up and down in the pool body 2, avoiding the stagnant water area. Under the combined action of the substrate, plants, water bodies, microorganisms and animals, the pollutants are reduced, and finally flow into the catchment area 3 through overflow, and finally discharged through the outlet pipe 5 .
[0041] When the sewage passes through the pool body 2, since the filler particle ...
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