Device and method for biological intensified shortcut biological nitrogen removal of municipal sewage
A technology for urban sewage and biological denitrification, which is applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. Short-range nitrification is stable, easy to achieve and maintain, and the effect of increasing nitrification rate
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[0029] Below in conjunction with accompanying drawing and embodiment the present invention will be further described: as figure 1 As shown, the urban sewage bioenhanced short-range biological denitrification device is equipped with urban sewage raw water tank 1, urban sewage AO reactor 2, urban sewage secondary sedimentation tank 3, sludge digestion liquid raw water tank 4, and sludge digestion liquid AO reactor 5. Secondary settling tank for sludge digestion liquid 6;
[0030] The urban sewage raw water tank 1 is an open box body, which is provided with an overflow pipe 1.1 and a vent pipe 1.2; the urban sewage raw water tank 1 is connected with the urban sewage AO reactor water inlet valve 2.2 through the inlet pump 2.1;
[0031] The urban sewage AO reactor is an open pool body, which is divided into several compartments. According to the direction of water flow, flow holes are arranged up and down to connect each compartment. 2.9 and stirring paddle 2.3, the rear end is pr...
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