CN210012657U - Sectional water inlet type air lift backflow integrated sewage treatment device - Google Patents
Sectional water inlet type air lift backflow integrated sewage treatment device Download PDFInfo
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- CN210012657U CN210012657U CN201920405123.1U CN201920405123U CN210012657U CN 210012657 U CN210012657 U CN 210012657U CN 201920405123 U CN201920405123 U CN 201920405123U CN 210012657 U CN210012657 U CN 210012657U
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Abstract
The utility model discloses a sectional water inlet type air-lift backflow integrated sewage treatment device, which comprises a treatment box, a water inlet and a gas pipe, wherein eight baffles are arranged inside the treatment box, and the eight baffles divide the interior of the treatment box into a first buffer chamber, an anoxic tank a, an aerobic tank a, an anoxic tank b, an aerobic tank b, an anoxic tank c, an aerobic tank c, a second buffer zone and a secondary sedimentation tank in sequence, the water inlet comprises a first water inlet, a second water inlet and a third water inlet, the first water inlet is arranged on the upper end surface of the anoxic tank a, the second water inlet is arranged on the upper end surface of the anoxic tank b, after the utility model is sectioned, the microbial biomass in a reactor is in gradient degressive, the microbial biomass in the device is effectively maintained, the decontamination effect of the device is ensured, the concentration of precipitated sludge is effectively reduced, and the phenomenon that the amount of the returned sludge is less to cause sludge floating is avoided, ensuring the quality of the effluent.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is a formula air-lift backward flow integration sewage treatment plant is intake to segmentation.
Background
At present, the problem of water pollution caused by domestic sewage in vast rural and remote areas in China is increasingly prominent. In view of the current water pollution problem, decentralized sewage treatment is a necessary supplement.
At present, a plurality of distributed sewage treatment technical processes are available at home and abroad, such as anaerobic biogas digesters, purification tanks, biofilm methods, artificial wetlands, land treatment systems, stabilization ponds, small sewage treatment plants and the like.
The patent with application number 200910182634.2 provides an air-lift backflow integrated sewage treatment device which has the characteristics of simple operation and operation, convenient maintenance, small occupied area, capability of being designed into a buried type, no need of a backflow pump, low energy consumption, long sludge age, less residual sludge discharge and the like. But in actual operation: the amount of nitrified liquid and sludge which flow back under the action of gas stripping is insufficient, which is only 75-120% of the inflow, and often cannot reach the return flow (200-300%) required in the traditional A2/O process, so that the denitrification effect of the nitrified liquid and sludge is influenced due to the insufficient return flow of the nitrified liquid and the sludge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a segmentation formula air-lift backward flow integration sewage treatment plant of intaking aims at improving the device among the prior art's nitrify liquid and mud backward flow volume not enough, influences the problem of its denitrogenation effect.
The utility model discloses a realize like this:
a sectional water inlet type air-lift backflow integrated sewage treatment device comprises a treatment box, a water inlet and an air pipe, wherein eight baffles are arranged inside the treatment box, the eight baffles divide the interior of the treatment box into a first buffer chamber, an anoxic tank a, an aerobic tank a, an anoxic tank b, an aerobic tank b, an anoxic tank c, an aerobic tank c, a second buffer zone and a secondary sedimentation tank in sequence, the water inlet comprises a first water inlet, a second water inlet and a third water inlet, the first water inlet is formed in the upper end face of the anoxic tank a, the second water inlet is formed in the upper end face of the anoxic tank b, the third water inlet is formed in the upper end face of the anoxic tank c, a first inclined plate and a second inclined plate are arranged in positions, close to the middle, of the interiors of the aerobic tank a and the aerobic tank b, a first inclined plate is arranged in the middle of one side, close to the anoxic tank c, of the interior of the aerobic tank c, the air chambers are arranged below the first inclined plate and the second inclined plate, the return pipe is communicated between the secondary sedimentation tank and the first buffer chamber, the air pipe is positioned below one side of the treatment box, the aeration pipes are arranged on the air pipe at positions corresponding to the aerobic tank a, the aerobic tank b and the aerobic tank c, and one ends, far away from the air pipe, of the aeration pipes are inserted into the aerobic tank a, the aerobic tank b and the aerobic tank c.
Furthermore, an opening is formed in the position, close to the upper end, of the baffle plate, close to one side of the anoxic pond a, of the first buffer chamber, eight openings are formed in the baffle plate, and the eight openings are alternately arranged up and down.
Furthermore, one side of the treatment box close to the secondary sedimentation tank is set to be in an inclined state, and a water outlet pipe is arranged at a position, close to the upper side, of one side, far away from the second buffer zone, of the secondary sedimentation tank.
Furthermore, the first inclined plate and the second inclined plate in the aerobic tank a and the aerobic tank b are arranged in an inclined manner relatively.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses after the segmentation, the microbial biomass presents the gradient and steadilys decrease in the reactor, and the microbial biomass in not only effective holding device guarantees the device's scrubbing effect, effectively reduces the sediment sludge concentration moreover, has avoided return sludge volume to lead to the mud come-up less, guarantees out water quality of water.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a plan view of the present invention.
In the figure: 1. a treatment tank; 101. a first buffer chamber; 102. an anoxic pond a; 103. an aerobic tank a; 104. an anoxic tank b; 105. an aerobic tank b; 106. c, an anoxic pond; 107. c, an aerobic tank; 108. a second buffer area; 109. a secondary sedimentation tank; 2. a water outlet pipe; 3. an opening; 4. a water inlet; 41. a first water inlet; 42. a second water inlet; 43. a third water inlet; 5. an aeration pipe; 6. an air tube; 7. a baffle plate; 8. an air chamber; 9. a return pipe; 10. a first sloping plate; 11. a second swash plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a sectional water inlet type air lift and reflux integrated sewage treatment device comprises a treatment tank 1, a water inlet 4 and an air pipe 6, wherein eight baffles 7 are arranged inside the treatment tank 1, the baffles 7 are used for separating the treatment tank 1 to form different chambers, the eight baffles 7 divide the interior of the treatment tank 1 into a first buffer chamber 101, an anoxic tank a102, an aerobic tank a103, an anoxic tank b104, an aerobic tank b105, an anoxic tank c106, an aerobic tank c107, a second buffer zone 108 and a secondary sedimentation tank 109 in sequence, the first buffer chamber 101 is used as a sludge reflux point, the anoxic tank a102, the anoxic tank b104 and the anoxic tank c106 hydrolyze, acidify and methanize organic matters in waste water by using the action of anaerobic bacteria, improve the biodegradability of sewage, facilitate subsequent aerobic treatment, the aerobic tank a103, the aerobic tank b105 and the aerobic tank c107 allow activated sludge to have oxygen for respiration, further decomposing organic matters into inorganic matters and removing pollutants, wherein the position, close to the upper end, of the baffle 7 on one side, close to the anoxic pond a102, of the first buffer chamber 101 is provided with the opening 3, the opening 3 is used for communicating the chambers, the eight baffles 7 are provided with the openings 3, the eight openings 3 are alternately arranged up and down, and the mutually communicated channels are S-shaped;
referring to fig. 1, one side of the treatment tank 1 close to the secondary sedimentation tank 109 is set to be in an inclined state, the inclined side edge enables sludge to be sedimented downwards along the inclined side wall during sedimentation, a water outlet pipe 2 is installed at a position close to the upper part of one side of the secondary sedimentation tank 109 far away from the second buffer zone 108, and the water outlet pipe 2 is used for final water outlet;
referring to fig. 1, the water inlet 4 includes a first water inlet 41, a second water inlet 42 and a third water inlet 43, the first water inlet 41, the second water inlet 42 and the third water inlet 43 are used for water inlet, the water inlet flow of the first water inlet 41 and the second water inlet 42 can be flexibly distributed, for example, in winter, in order to prolong the hydraulic retention time and satisfy a better nitrification effect, the water inlet flow of the first water inlet 41 and the second water inlet 42 can be properly increased, the first water inlet 41 is opened on the upper end surface of the anoxic tank a102, the second water inlet 42 is opened on the upper end surface of the anoxic tank b104, the third water inlet 43 is opened on the upper end surface of the anoxic tank c106, a first inclined plate 10 and a second inclined plate 11 are installed near the middle position inside the aerobic tank a103 and the aerobic tank b105, the first inclined plate 10 and the second inclined plate 11 are installed in the aerobic tank a103 and the aerobic tank b105 in an inclined manner, a first inclined plate 10 is installed in the middle part of the side of the aerobic tank c107 near the anoxic tank, an air chamber 8 is arranged below the first inclined plate 10 and the second inclined plate 11, and the first inclined plate 10 and the second inclined plate 11 are used for forming the air chamber 8;
continuing to refer to fig. 1, a return pipe 9 is communicated between the secondary sedimentation tank 109 and the first buffer chamber 101, the return pipe 9 is used for sludge return, the air pipe 6 is positioned below one side of the treatment box 1, the air pipe 6 is used for blowing air by a blower so as to increase the oxygen content in the aerobic tank, the air pipe 6 is provided with an aeration pipe 5 at the position corresponding to the aerobic tank a103, the aerobic tank b105 and the aerobic tank c107, the aeration pipe 5 is used for guiding the air in the air pipe 6 into the aerobic tank, and one end of the aeration pipe 5 far away from the air pipe 6 is inserted into the aerobic tank a103, the aerobic tank b105 and the aerobic tank c 107.
The working principle is as follows: when the device is used, sewage enters the anoxic pond a102, the anoxic pond b104 and the anoxic pond c106 through the first water inlet 41, the second water inlet 42 and the third water inlet 43, the front end of the reaction device is divided into sectional water inlets, the water inlet flow rates of the first water inlet 41, the second water inlet 42 and the third water inlet 43 can be flexibly distributed, for example, in order to prolong hydraulic retention time and meet better nitrification effect in winter, the water inlet flow rates of the first water inlet 41 and the second water inlet 42 can be properly increased, the sections of the anoxic pond a102, the anoxic pond b104 and the anoxic pond c106 after the section can preferentially utilize organic carbon sources which are easy to degrade in the inlet water to perform denitrification, after the sectional water inlet, the nitrification liquid and sludge return flow rate can achieve better denitrification effect only by 50% of the water inlet flow rate, after the section, the microbial biomass in the reactor presents gradient and decreases progressively, so that the microbial biomass in the device is effectively maintained, guarantee the decontamination effect of the device, effectively reduce the concentration of the precipitated sludge, avoid the sludge floating caused by the small amount of the returned sludge and influence the effluent quality
One end of the air pipe 6 is connected with a blower, and the blower blows air, and the air enters the interior of the aeration pipe 5 through the air pipe 6 and finally enters the interiors of the aerobic tank a103, the aerobic tank b105 and the aerobic tank c 107.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a formula air-lift backward flow integration sewage treatment plant is intake in segmentation, is including handling case (1), water inlet (4) and trachea (6), its characterized in that: the treatment box comprises a treatment box body (1), wherein eight baffle plates (7) are arranged in the treatment box body (1), the eight baffle plates (7) divide the interior of the treatment box body (1) into a first buffer chamber (101), an anoxic tank a (102), an aerobic tank a (103), an anoxic tank b (104), an aerobic tank b (105), an anoxic tank c (106), an aerobic tank c (107), a second buffer zone (108) and a secondary sedimentation tank (109) in sequence, a water inlet (4) comprises a first water inlet (41), a second water inlet (42) and a third water inlet (43), the first water inlet (41) is formed in the upper end face of the anoxic tank a (102), the second water inlet (42) is formed in the upper end face of the anoxic tank b (104), the third water inlet (43) is formed in the upper end face of the anoxic tank c (106), a first inclined plate (10) and a second inclined plate (11) are arranged in positions, close to the middle, in the interiors of the aerobic tank a (103) and the aerobic tank b (105), the inside of aerobic tank c (107) is close to one side mid-mounting of oxygen deficiency pond c (106) has first swash plate (10), the below of first swash plate (10) and second swash plate (11) sets up to air chamber (8), it has back flow pipe (9) to communicate between secondary sedimentation tank (109) and first surge chamber (101), trachea (6) are located the one side below of handling case (1), aeration pipe (5) are installed with the position that aerobic tank a (103), aerobic tank b (105) and aerobic tank c (107) correspond on trachea (6), and aeration pipe (5) keep away from the inside that trachea (6) were inserted aerobic tank a (103), aerobic tank b (105) and aerobic tank c (107).
2. The sectional water inlet type air-lift backflow integrated sewage treatment device according to claim 1, wherein the baffle (7) on one side of the first buffer chamber (101) close to the anoxic tank a (102) is provided with an opening (3) at a position close to the upper end, eight baffles (7) are provided with openings (3), and the eight openings (3) are alternately arranged up and down.
3. The device for treating sewage through integration of air lift and reflux with sectional water inlet type according to claim 1, wherein one side of the treatment tank (1) close to the secondary sedimentation tank (109) is arranged in an inclined state, and a water outlet pipe (2) is arranged at a position close to the upper part of one side of the secondary sedimentation tank (109) far away from the second buffer zone (108).
4. The sewage treatment device integrating the sectional water inlet type air-lift backflow as claimed in claim 1, wherein the first inclined plate (10) and the second inclined plate (11) inside the aerobic tank a (103) and the aerobic tank b (105) are arranged in an inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405123.1U CN210012657U (en) | 2019-03-28 | 2019-03-28 | Sectional water inlet type air lift backflow integrated sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405123.1U CN210012657U (en) | 2019-03-28 | 2019-03-28 | Sectional water inlet type air lift backflow integrated sewage treatment device |
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| CN210012657U true CN210012657U (en) | 2020-02-04 |
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| CN201920405123.1U Active CN210012657U (en) | 2019-03-28 | 2019-03-28 | Sectional water inlet type air lift backflow integrated sewage treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112209582A (en) * | 2020-11-11 | 2021-01-12 | 宜宾学院 | Device for realizing gas-liquid-solid three-phase separation in sewage treatment and application method thereof |
| CN115385437A (en) * | 2022-08-12 | 2022-11-25 | 福建省闽环智能科技有限公司 | Composite water treatment equipment |
-
2019
- 2019-03-28 CN CN201920405123.1U patent/CN210012657U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112209582A (en) * | 2020-11-11 | 2021-01-12 | 宜宾学院 | Device for realizing gas-liquid-solid three-phase separation in sewage treatment and application method thereof |
| CN115385437A (en) * | 2022-08-12 | 2022-11-25 | 福建省闽环智能科技有限公司 | Composite water treatment equipment |
| CN115385437B (en) * | 2022-08-12 | 2023-09-12 | 福建省闽环智能科技有限公司 | Composite water treatment equipment |
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Address after: C-9 / F, vitality Business Plaza, 185 jumao street, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU JUYAO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Room 1916, West Block, Building A, Flower Center, 4555 Renmin Road, Yuanhe Street, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU JUYAO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |