River wastewater treatment system and river wastewater treatment method
A sewage treatment and river channel technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of insignificant long-term operation, insufficient settlement of pollutants, and increased purification treatment Burden and other issues, to achieve significant long-term operation effect, reliable sewage treatment performance, increase the effect of residence time
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Embodiment 1
[0027] Such as figure 1 As shown, a river sewage treatment system includes a settling zone and a purification zone set in sequence, the settling zone includes a mixing zone and a gentle settling zone set in sequence, and the mixing zone includes a flocculant spraying device and Stirring device; the bottom surface of the gentle settlement zone is lower than the bottom surface of the river channel, and the bottom surface is covered with an anti-seepage layer; the purification zone includes the slow settling zone of plants arranged in sequence and the first adsorption purification zone provided with adsorption fillers and microorganisms, the second Two adsorption purification areas, the channel of the first adsorption purification area and the second adsorption purification area is set in an S shape, and its bottom surface is lower than the bottom surface of the river channel, and the first adsorption purification area and the second adsorption purification area are provided with ...
Embodiment 2
[0038] A method for controlling river sewage, comprising the following steps:
[0039] (1) The settlement area and the purification area are arranged in sequence according to the direction of water flow in the river channel. The settlement area includes the mixed area and the gentle settlement area arranged in sequence. And the first adsorption purification zone and the second adsorption purification zone provided with adsorption fillers and microorganisms, the bottom surface of the first adsorption purification zone and the second adsorption purification zone is lower than the bottom surface of the channel, and the channel is set in an S shape; the channel in the mixing zone A latticed steel pipe frame is erected across the middle span, and the flocculant spraying device and stirring device are fixed in the latticed steel pipe frame; a buffer slope with a slope of 40 degrees is set between the mixing area and the gentle settlement area, and between the slow reed settlement are...
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