Reinforced aerobic-anaerobic manpower rapid-infiltration sewage treatment system
A sewage treatment system and artificial rapid infiltration technology, applied in the field of municipal and environmental protection engineering, can solve the problems of low oxygen mass transfer efficiency, weaken anoxic denitrification, reduce system permeability, etc. Improve the effect of biological denitrification and improve the efficiency of mass transfer
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[0031] Example: The present invention is applied to a certain sewage treatment project, specifically adopting the process of "grid-anaerobic biological reaction tank-water drop aeration-improved artificial fast infiltration system-ultraviolet disinfection", and the treatment scale is 800m 3 / d, basically no power consumption in the field.
[0032]The technical parameters of the improved artificial fast infiltration system are: a single improved artificial fast infiltration system is 18.0m long, 4.0m wide and 1.40-2.0m high. The height of the filler in the upper part of the reoxygenation layer is 0.63m, the height of the reoxygenation layer is 0.10m, the height of the filler in the lower part of the reoxygenation layer is 0.74m, the height of the supporting layer is 0.28m, the height of the outlet well is 1.00m, and the height of the adjustable outlet weir is 0.75m. The vertical ventilation pipe adopts DN50 UPVC pipe, and its surface is covered with dense Φ5mm holes, and the de...
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