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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Embodiment 1
[0042] Embodiment 1: Integrated small and medium-sized multi-point water inflow deep nitrogen and phosphorus removal sewage treatment system, see Figure 1-Figure 3 , including grid adjustment 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 respectively connected to the aeration tank 3 and the first anoxic tank 4 through pipelines; the aeration tank 3, the first aerobic tank 5 and the second well The oxygen tank 7 is respectively provided with an aeration mechanism 12, and the aeration mechanism 12 includes an aeration main pipe 23 correspondingly connected with the external blower 11, an aeration branch pipe 24 arranged at the bottom of the aeration tank 3 and connected with the aeration main pipe 23, Microporous aerators 25 are unifo...
Embodiment 2
[0049] Embodiment 2: An integrated small and medium-sized multi-point influent deep denitrification and phosphorus removal sewage treatment method is characterized in that the integrated small and medium-sized multi-point influent deep denitrification and phosphorus removal sewage treatment system in Example 1 is used to carry out Sewage treatment, including the following steps:
[0050] ①Introduce the sewage to be treated into the grid adjustment tank;
[0051] ② The outlet water of the grid adjustment tank is divided into two channels, the sewage accounting for 50-80% of the total water output enters the aeration tank as the first channel; the sewage accounting for 20-50% of the total water output enters the first channel as the second channel Anoxic pool, providing carbon source for initial denitrification and denitrification;
[0052] ③The sewage after denitrification treatment in the first anoxic tank enters the first aerobic tank for aeration treatment to further remove...
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