Integrated small and medium multi-point water inflowing deep nitrogen and phosphorus removal sewage processing system and processing method
A sewage treatment system and deep denitrification technology, applied in water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve inconvenient management, high energy consumption, complex treatment process equipment, etc problems, to achieve the effect of easy management and operation, low investment cost and good treatment effect
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[0042] Example 1: Integrated small and medium-sized multi-point water inlet deep denitrification and dephosphorization sewage treatment system, see Figure 1-Figure 3 , Including successively connected grid regulating tank 1, aeration tank 3, first anoxic tank 4, first aerobic tank 5, second anoxic tank 6, second aerobic tank 7, sedimentation tank 8, flocculation reaction Pool 9 and flocculation sedimentation tank 10.
[0043] A lift pump 2 is provided in the grid adjustment tank 1, and the lift pump 2 is connected to the aeration tank 3 and the first anoxic tank 4 through pipes; in the aeration tank 3, the first aerobic tank 5 and the second good The oxygen tank 7 is respectively provided with an aeration mechanism 12, the aeration mechanism 12 includes an aeration main pipe 23 corresponding to the external blower 11, and an aeration branch pipe 24 arranged at the bottom of the aeration tank 3 and communicated with the aeration main pipe 23, A microporous aerator 25 is evenly a...
Example Embodiment
[0049] Embodiment 2: An integrated small and medium-sized multi-point influent deep denitrification and phosphorus removal sewage treatment method, characterized in that the integrated medium and small multi-point influent deep denitrification and phosphorus removal sewage treatment system in Example 1 is used to perform Sewage treatment includes the following steps:
[0050] ① Introduce the sewage to be treated into the grid regulating tank;
[0051] ②The effluent water of the grille regulating tank is divided into two ways, the sewage that accounts for 50-80% of its total effluent enters the aeration tank as the first way; the sewage that accounts for 20-50% of its total effluent enters the first way as the second way Anoxic tanks provide carbon source for preliminary denitrification and denitrification;
[0052] ③ The sewage after denitrification in the first anoxic tank enters the first aerobic tank for aeration treatment to further remove COD and ammonia nitrogen;
[0053] ④The ...
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