Three-stage circulation aerobic reactor
A technology of aerobic reaction zone and circulating reflux system, which is applied in chemical instruments and methods, sustainable biological treatment, water/sludge/sewage treatment, etc., can solve the problems of high impact load resistance and low energy consumption, and achieve Strong ability to withstand impact load, high treatment efficiency, loose effect on incoming water PH value
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[0011] As shown in the drawings, the three-cycle aerobic reactor of the present invention mainly includes a columnar pool body 16, the pool body 16 adopts a steel structure, and the entire structure is columnar, which is a multi-region and multi-functional combination. The tank body 16 is provided with a conical sludge expansion zone 11, aerobic reaction zone 8, primary gas-solid-liquid separation zone 5, anoxic reaction zone 7, secondary gas-solid-liquid separation zone 6 and precipitation filtration from bottom to top. Layer 3. The conical sludge expansion zone 2 is a conical cover, and the conical cover is connected with the air lift pipe 2 . A water outlet weir 20 is arranged above the sedimentation filter layer 3 , and a water outlet pipe 21 is arranged on the water outlet weir 20 .
[0012] The top of the pool body 16 is provided with a gas-liquid separation tank 1. The gas-liquid separation tank 1 is connected with a gas-lifting pipe 2 and a lower return pipe 17. The g...
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