Artificial wetlands system for purifying roof rainwater containing washing wastewater
A constructed wetland system, rainwater technology, applied in biological water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. Small area, avoid clogging, good effect
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[0021] The specific embodiments of the present invention will be described below with reference to the drawings.
[0022] Such as figure 1 As shown, a constructed wetland system for purifying roof rainwater containing laundry wastewater includes a rain and sewage diversion well 1, a grit chamber 2, a water distribution channel 3, a water distribution pipe 4, a wetland treatment area 7, a water collection pipe 5, and a flood discharge. Ditch 6. Such as Figure 5 with Image 6 As shown, the water inlet of the rain and sewage diversion well 1 is connected to the rainwater pipe 1-1 on the roof of the building, and the water outlet is respectively connected to the spillway 6 and the grit basin 2, and the rain and sewage diversion well 1 is provided with a diversion valve 1-2 and a filter 1-3 When the heavy rain flows into the rainwater pipe, the water level in the rain and sewage diversion well 1 is higher than the height of the pipe leading to the flood discharge ditch 6, the diverter v
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