A membrane-based sewage nitrogen and phosphorus removal system
A technology for nitrogen and phosphorus removal and sewage, applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, water pollutants, etc., can solve the increased uncertainty of sewage reaction, low efficiency of sewage treatment, biochemical reaction time Long and other issues, to achieve the effect of good practicability, acceleration efficiency, and acceleration reaction efficiency
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Embodiment 1
[0039] A membrane-based sewage nitrogen and phosphorus removal system, including an anaerobic tank 8, an aerobic tank 9, and an aerated membrane reaction tank 10, such as Figure 3-5 As shown, the aeration membrane reaction tank 10 includes a tank body 13, aeration pipe racks, and hollow fiber membrane filaments; such as Figure 4 As shown, the aeration pipe frame includes a branch pipe frame 18 and a branch pipe frame 19. The outer side of the branch pipe frame 18 is connected with a number of rows of branch pipe frames 19 in the circumferential direction, and the outer side of the branch pipe frame 18 is vertical from top to bottom A number of branch pipe racks 19 are communicated with each other, the outer side wall of the branch pipe rack 19 is provided with a number of ventilation holes, and the free end is a closed end, such as Figure 5 As shown in the figure, hollow fiber membrane filaments in a triangular prism-like structure are arranged on the pipe racks 19, and the...
Embodiment 2
[0044] This embodiment is optimized on the basis of Embodiment 1, such as figure 2 As shown, the aeration pipe rack further includes a main pipe rack 14, the main pipe rack 14 is respectively connected with a plurality of sub pipe racks 18 through a distribution valve, and the main pipe rack 14 is connected with the aeration device. The anaerobic tank 8 and the aerobic tank 9 are respectively communicated with the anaerobic pipe frame 20 and the aerobic pipe frame 21 through the diverter valve, and the aeration pipe frame, the anaerobic pipe frame 20 and the aerobic pipe frame 21 are all suspended at the bottom. set up. The bottom of the pool body 13 is provided with a cyclone device 16 , the bottom of the pool body 13 is provided with a sewage outlet 17 , and the upper portion of the pool body 13 is provided with a drain port. A dissolved oxygen tester and a pH meter are respectively provided between the inner sides of each adjacent row of hollow fiber membrane fibers and t...
Embodiment 3
[0049] This embodiment is optimized on the basis of Embodiment 1 or 2, and further includes an SBR reactor 11, the SBR reactor 11 is filled with fillers, and the fillers are loaded with aerobic granular sludge, and the tank body 13 The water outlet is communicated with the water inlet of the SBR reactor 11.
[0050] The aeration membrane reaction tank 10 cooperates with the SBR reactor 11 to produce a synergistic effect. The nitrification and denitrification in the aeration membrane reaction tank 10 are carried out synchronously, and the SBR reactor 11 is also in simultaneous nitrification and denitrification. The sewage treated by the aeration membrane reaction tank 10 provides sufficient reactants for the SBR reactor 11, and the reaction principle produces continuous synergy, improves the reaction efficiency, and has good practicability.
[0051] The other parts of this embodiment are the same as those of the above-mentioned Embodiment 1 or 2, and thus are not repeated here....
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