Aquatic animal enhanced surface flow artificial wetland
A technology for artificial wetlands and aquatic animals, applied in sustainable biological treatment, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problems of incomplete wetland ecosystem, lack of animal feeding and utilization, and low removal rate of nitrogen and phosphorus , to achieve convenient operation and maintenance management, reduce the accumulation of sediment organic matter, and increase the effect of adsorption and degradation capacity
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Embodiment 1
[0014] Embodiment 1: The surface flow artificial wetland for aquatic animals of the present invention is composed of water inlet pipe 1, water distribution plate 2, bed body 3, aquatic plants 4, fish slide 5, fish ditch 6, fish barrier 7, Outlet pipe 8 forms. The wetland bed is filled with light and medium soil. First, dig out a water ditch with a radius of 0.4-0.5m and a depth of 0.3-0.4m on the surface of the bed body 3 as the fish ditch 6, and dig out a near-circular shape with a radius of 1.5-2m and a depth of 1 meter in the middle of the bed body. Puddles, as fish slip 5. The total area of the fish ditch and the fish slide accounts for about 20%-30% of the bed area. Fish ditches and fish slides are used as hiding places for loaches and snails to avoid when high or low temperature, and can also increase the contact area between the water body and the bed body 3, and increase the treatment time of the wetland to sewage. Fish slips are also used to catch loach. Inlet p...
Embodiment 2
[0016] Embodiment 2: The I-shaped structured aquatic animal-enhanced surface flow artificial wetland of the present invention consists of a water inlet pipe 1, a perforated water distribution plate 2, a bed body 3, aquatic plants 4, fish slides 5, fish ditch 6, and fish barrier 7 , Outlet pipe 8 is made up of, and is filled with light, medium soil, puts loach of body length more than 10cm in the wetland, and quantity is 10-20 tails per square meter. At the same time, snails with a weight of more than 5 grams are put in, and the amount of snails put in is 100-200 grams per square meter. The bed lengthwise digs out a water ditch with a radius of 0.4-0.5m and a depth of 0.3-0.4m as a fish ditch, and in the middle of the bed digs out another 1-1.5m wide and 1-meter-deep rectangular puddle as a fish slide. The total area of the fish ditch and the fish slide accounts for about 20%-30% of the bed area, and they serve as shelters for loaches and snails. Fish ditch and fish slide ca...
Embodiment 3
[0017] Embodiment 3: The concave structure of the aquatic animal enhanced surface flow constructed wetland bed of the present invention consists of a water inlet pipe 1, a perforated water distribution plate 2, a bed body 3, aquatic plants 4, fish slides 5, fish ditch 6, and fish fence 7 , composed of 8 outlet pipes, filled with light and medium soil. Put 10-20 tails per square meter of loach with a body length of more than 10 cm in the wetland. At the same time, snails with a weight of more than 5 grams are put in, and the amount of snails put in is 100-200 grams per square meter. A water pit with a radius of 0.4-0.5m and a depth of 0.3-0.4m is dug longitudinally from the bed as a fish ditch. A square puddle with a length of 2-3 meters, a width of 1-1.5 meters and a depth of about 1 meter is dug out respectively inside the water inlet and the water outlet of the bed body as a fish slide. The total area of the fish ditch and the fish slide accounts for about 20%-30% of the...
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