Manual hydroponic wetland device with nitrogen-phosphorus nutritive salt enrichment function
A nutrient enrichment technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, sustainable biological treatment, etc., to achieve the effect of facilitating plant cultivation, management, and avoiding blockage
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Embodiment 1
[0023] Such as figure 1 As shown, the artificial hydroponic wetland device includes water inlet pipe 1, water inlet adjustment area 2, perforated wall a3, hydroponic plant area 4 and matrix nitrogen enrichment area 5, perforated wall b6, intermediate adjustment area 7, overflow Flow weir 8, substrate phosphorus enrichment area 9, perforated wall c10, outlet water regulation area 11, outlet elbow 12, outlet water collection pool 13, and drain pipe 14. Substrate nitrogen enrichment area 5 is placed below hydroponic plant area 4 .
[0024] The artificial hydroponic wetland device is in the shape of a rectangular trough, which has undergone anti-seepage treatment, the aspect ratio is 5:1, the water depth is 60cm, and the total surface load rate ranges from 0.5 to 1.0m 3 / m 2 .d.
[0025] Hydroponic plant area 4 is the area 30cm below the water surface, and its length accounts for 70% of the total length of the device. Aquatic plants are transplanted by cuttings, and plants can...
Embodiment 2
[0040] An artificial hydroponic wetland device with the function of enriching nitrogen and phosphorus nutrients. The device is in the shape of a cuboid trough with an aspect ratio of 10:1 and a water depth of 45 cm. The cuboid trough-shaped device is separated by a perforated wall and an overflow weir. Multiple areas: according to the direction of water flow, they are water inflow adjustment area, hydroponic plant area and substrate nitrogen enrichment area, intermediate adjustment area, substrate phosphorus enrichment area, outlet water adjustment area, and outlet water collection tank. The substrate nitrogen enrichment area The area is placed below the hydroponic plant area, i.e. the bottom of the pond.
[0041] The upper part of the pool wall (upstream side of the water flow) on one side of the water inlet adjustment area is provided with a water inlet pipe, and the bottom elevation of the water inlet pipe is not lower than the liquid level of the water inlet adjustment area...
Embodiment 3
[0048] An artificial hydroponic wetland device with the function of enriching nitrogen, phosphorus and nutrients, the device is in the shape of a cuboid tank with an aspect ratio of 3:1, a water depth of 75 cm, and the elevation of the bottom of the water inlet pipe is not lower than that of the water inlet adjustment area Liquid level height; the holes of the perforated wall a are arranged below 1 / 2 of the water surface, and the substrate nitrogen enrichment zone is provided with a substrate with a thickness of 40 cm, and the matrix layer height of the substrate phosphorus enrichment zone is 5 cm higher than the liquid level of the outlet water regulation zone, The hole on the top of the perforated wall b is flush with the water surface, and the overflow weir adopts a sawtooth triangular weir, and the height of the water flow is 75cm. The hole at the top of the perforated wall c is flush with the liquid level in the water outlet adjustment area, and the height of the overflow ...
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