An ecological filter sewage treatment device
A sewage treatment device and ecological filter technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, sustainable biological treatment, etc., can solve poor pollutant removal effect, plugged packing bed, insufficient oxygen supply and other problems, to achieve the effect of solving the breeding of mosquitoes and flies, simple and easy to build, and a wide range of sources
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Embodiment 1
[0032] A kind of ecological filter sewage treatment device, such as figure 1 As shown, the sun shed 1 is included, the sun shed 1 is equipped with a packing bed 3, the top of the packing bed 3 is provided with a water distribution system 2, and the water distribution system is provided with a water inlet 19, and the water inlet 19 is arranged outside the packing bed 3. A drainage system 18 is provided at the bottom of the bed 3 .
[0033] The packing bed 3 is sequentially provided with a vegetable filler layer 4, a fine-grained filler layer 7, a lightweight filler layer 9 and a coarse-grained filler layer 12 from top to bottom; the vegetable filler layer 4 includes a shell powder layer and a mixed matrix layer from bottom to top, The shell powder layer is filled with fine-grained shell powder, and the mixed matrix layer is filled with biochar and expanded vermiculite; the fine-grained filler layer 7 is filled with zeolite and coarse-grained shell powder; the lightweight filler...
Embodiment 2
[0048] With embodiment 1, the difference is that in this embodiment: lightweight ceramsite and pumice are filled in the lightweight filler layer 9, and pebbles and crushed stones are filled in the coarse-grained filler layer 12;
[0049] The mass percentage of biochar in the mixed matrix layer is 30%, and the mass percentage of expanded vermiculite is 70%; the biochar is the charcoal obtained from rapeseed stalks subjected to oxygen-limited carbonization at 400°C;
[0050] The mass percent of zeolite in the fine particle filler layer 7 is 40%, and the mass percent of coarse particle shell powder is 60%;
[0051] The particle size of lightweight ceramsite and pumice in the lightweight filler layer 9 is 10-20 mm.
[0052] The particle diameter of pebbles and crushed stones in the coarse-grained packing layer 12 is 20-50 mm.
[0053] The thickness of planting filler layer 4 is 40cm, the thickness of fine-grained filler layer 7 is 60cm, the thickness of lightweight filler layer 9...
Embodiment 3
[0058] With embodiment 1, the difference is that in this embodiment: the lightweight filler layer 9 is filled with lightweight ceramsite, glass pumice and pumice, and the coarse-grained filler layer 12 is filled with gravel, pebbles and crushed stones;
[0059] The mass percent of biochar in the mixed matrix layer is 20%, and the mass percent of expanded vermiculite is 80%; the biochar is the charcoal obtained from corn under the condition of 350°C through oxygen-limited carbonization;
[0060] The mass percent of zeolite in the fine particle filler layer 7 is 35%, and the mass percent of coarse particle shell powder is 65%;
[0061] The particle size of lightweight ceramsite, glass pumice and pumice in the lightweight filler layer 9 is 10-20 mm.
[0062] The particle diameter of the gravel, pebble and crushed stone in the coarse packing layer 12 is 20-50 mm.
[0063] The thickness of planting filler layer 4 is 30cm, the thickness of fine-grained filler layer 7 is 50cm, the t...
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