A continuous flow an/o dephosphorization coupling SBR autotrophic denitrification sewage treatment device and method for treating urban sewage
A sewage treatment device, autotrophic denitrification technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of high cost of urban sewage, poor system stability, and effluent water quality Instability and other problems, to achieve the effect of strengthening dissolved oxygen regulation, improving energy recovery rate, and saving oxygen supply
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specific Embodiment approach 1
[0028] Specific embodiment 1: This embodiment is a continuous flow An / O dephosphorization coupling SBR autotrophic denitrification sewage treatment device including An / O dephosphorization and organic matter removal reactor 1, water inlet pipe 1-1, first speed-regulating stirring Device 1-2, first corundum aerator head 1-3, first gas flow meter 1-4, first air volume regulating valve 1-5, first blower 1-6, first outlet pipe 1-7, radial flow Type sedimentation tank 2, sludge return pump 2-1, excess sludge pump 2-2, second outlet pipe 2-3, sludge return pipe 2-4, excess sludge discharge pipe 2-5, collection and distribution well 3, SBR autotrophic denitrification reactor inlet pipe 4, SBR autotrophic denitrification reactor main water inlet valve 5, first SBR autotrophic denitrification reactor 6, second SBR autotrophic denitrification reactor 7, third SBR autotrophic denitrification reactor 8, the fourth SBR autotrophic denitrification reactor 9, the second speed-regulating agita...
specific Embodiment approach 2
[0042] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the floating ball of the fixed floating ball filler 11 is equipped with the biofilm filler in the high ammonia nitrogen anaerobic ammonium oxidation reactor. Other steps are the same as in the first embodiment.
specific Embodiment approach 3
[0043] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: An / O phosphorus removal and organic matter removal reactor 1 is a plug-flow sewage treatment device; the first SBR autotrophic denitrification reactor 6 , the second SBR autotrophic denitrification reactor 7 , the third SBR autotrophic denitrification reactor 8 and the fourth SBR autotrophic denitrification reactor 9 are all intermittent sewage treatment devices. Other steps are the same as those in Embodiment 1 or 2.
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