CN214781379U - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
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- CN214781379U CN214781379U CN202121089537.1U CN202121089537U CN214781379U CN 214781379 U CN214781379 U CN 214781379U CN 202121089537 U CN202121089537 U CN 202121089537U CN 214781379 U CN214781379 U CN 214781379U
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- tank
- water outlet
- treatment system
- weir
- pipe
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- 239000010865 sewage Substances 0.000 title abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 4
- 206010021143 Hypoxia Diseases 0.000 claims 1
- 238000010992 reflux Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a sewage treatment system, include: the side wall of the top of the anoxic tank is provided with a first effluent weir; the middle tank is arranged close to the anoxic tank, wherein the first water outlet weir is connected with a first water outlet pipe extending into the middle tank, and a second water outlet weir is arranged on the side wall of the top of the middle tank; the aerobic tank is arranged close to the middle tank, wherein the second water outlet weir is connected with a second water outlet pipe extending into the aerobic tank, and a third water outlet weir is arranged on the side wall of the top of the aerobic tank; the secondary sedimentation tank is arranged close to the aerobic tank, and the third water outlet weir is connected with a third water outlet pipe extending into the secondary sedimentation tank; the water inlet pipe is connected with a first branch pipe extending into the anoxic tank and a second branch pipe extending into the second effluent weir; a water inlet of the water pump is connected with the aerobic tank, and a water outlet of the water pump is connected with a first return pipe and a second return pipe which extend into the anoxic tank; and the jet pump is arranged on the second return pipe and is connected with the secondary sedimentation tank. The sewage treatment system of this application, purifying effect is good.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to sewage treatment system.
Background
The sewage treatment method comprises a physical method, a biological method and a chemical method, wherein the physical method is generally used for treating simpler and more economical structures and is used for the conditions of large water volume, strong self-purification capacity and low sewage treatment degree requirement of villages and towns; although the chemical method has good treatment effect and wide application range, the cost is high; biological methods lie between physical and chemical methods. Urban sewage mainly contains organic matter, and the system generally includes aerobic tank, anaerobism pond and the two heavy ponds that set gradually, but among the prior art to sewage treatment process, sewage purification effect is poor, awaits further promotion.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a sewage treatment system.
The utility model discloses the technical scheme who adopts does: a wastewater treatment system comprising:
the side wall of the top of the anoxic tank is provided with a first effluent weir;
the middle tank is arranged close to the anoxic tank, the first water outlet weir is connected with a first water outlet pipe extending into the middle tank, and a second water outlet weir is arranged on the side wall of the top of the middle tank;
the aerobic tank is arranged close to the middle tank, the second water outlet weir is connected with a second water outlet pipe extending into the aerobic tank, and a third water outlet weir is arranged on the side wall of the top of the aerobic tank;
the secondary sedimentation tank is arranged close to the aerobic tank, and the third water outlet weir is connected with a third water outlet pipe extending into the secondary sedimentation tank;
the water inlet pipe is connected with a first branch pipe extending into the anoxic pond and a second branch pipe extending into the second effluent weir;
a water pump, wherein a water inlet of the water pump is connected with the aerobic tank, and a water outlet of the water pump is connected with a first return pipe and a second return pipe which extend into the anoxic tank;
and the jet pump is arranged on the second return pipe and is connected with the secondary sedimentation tank.
As an optional technical scheme, a first baffle is arranged in the anoxic pond, a first through hole is formed in the bottom of the first baffle, and the outlet end of the first backflow pipe is close to the first through hole.
As an optional technical scheme, a second baffle is arranged in the middle pool, and a second through hole is formed in the bottom of the second baffle.
As an optional technical solution, a third branch pipe extending into the aerobic tank is connected to the first return pipe, and a third control valve and a jet aerator are connected to the third branch pipe.
As an optional technical scheme, a central cylinder is arranged in the secondary sedimentation tank, and the central cylinder is connected with the third effluent weir.
As an optional technical solution, the first branch pipe and the second branch pipe are respectively provided with a first control valve and a second control valve.
As an optional technical solution, a fourth control valve is arranged at one end of the first return pipe close to the anoxic tank.
As an optional technical solution, a fifth control valve is arranged at one end of the second return pipe close to the water pump.
The utility model has the advantages that: in the application, sewage enters from a water inlet pipe and flows into an anoxic tank through a first branch pipe, after denitrification treatment in the anoxic tank, supernatant liquid enters into an intermediate tank through a first water outlet weir and a first water outlet pipe, the arrangement of the intermediate tank can improve the sludge concentration in the anoxic tank and is beneficial to anaerobic reaction, the supernatant liquid of the intermediate tank enters into an aerobic tank through a second water outlet weir and a second water outlet pipe, after organic matters and oxidized ammonia nitrogen are removed in the aerobic tank and phosphorus is absorbed, the supernatant liquid enters into a secondary sedimentation tank through a third water outlet weir and a third water outlet pipe, and mud-water separation is carried out in the secondary sedimentation tank; the water pump pumps the lower layer liquid of the aerobic tank, one part of the lower layer liquid flows back to the anoxic tank through the first return pipe, the other part of the lower layer liquid flows back to the anoxic tank through the jet pump and the second return pipe, and simultaneously the jet pump pumps the sludge in the secondary sedimentation tank together and flows back to the anoxic tank through the second return pipe, so that a circulation treatment system is formed, and the sewage purification effect is good.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the sewage treatment system of the utility model.
Fig. 2 is a schematic structural view of the first baffle.
Fig. 3 is a schematic structural view of the second baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. 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 efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
as shown in fig. 1, a sewage treatment system includes:
the anoxic pond 1 is provided with a first effluent weir 101 on the side wall of the top part;
the middle pool 2 is arranged close to the anoxic pool 1, wherein the first water outlet weir 101 is connected with a first water outlet pipe 201 extending into the middle pool 2, and a second water outlet weir 202 is arranged on the side wall of the top of the middle pool 2;
the aerobic tank 3 is arranged close to the middle tank 2, wherein the second water outlet weir 202 is connected with a second water outlet pipe 301 extending into the aerobic tank 3, and a third water outlet weir 302 is arranged on the side wall of the top of the aerobic tank 3;
the secondary sedimentation tank 4 is arranged close to the aerobic tank 3, wherein the third water outlet weir 302 is connected with a third water outlet pipe 401 extending into the secondary sedimentation tank 4;
a water inlet pipe 5 connected with a first branch pipe 501 extending into the anoxic tank 1 and a second branch pipe 502 extending into the second effluent weir 202;
a water pump 6, the water inlet of which is connected with the aerobic tank 3, and the water outlet of which is connected with a first return pipe 601 and a second return pipe 602 which extend into the anoxic tank 1;
and the jet pump 7 is arranged on the second return pipe 602 and is connected with the secondary sedimentation tank 4.
Wherein, sewage enters from the inlet tube 5, flows into the anoxic tank 1 through the first branch pipe 501, after denitrification treatment in the anoxic tank 1, the upper layer liquid enters the intermediate tank 2 through the first water outlet weir 101 and the first water outlet pipe 201, the setting of the intermediate tank 2 can improve the sludge concentration in the anoxic tank 1, which is beneficial to anaerobic reaction, the upper layer liquid of the intermediate tank 2 enters the aerobic tank 3 through the second water outlet weir 202 and the second water outlet pipe 301, after organic matters, oxidized ammonia nitrogen and phosphorus are removed in the aerobic tank 3, the upper layer liquid enters the secondary sedimentation tank 4 through the third water outlet weir 302 and the third water outlet pipe 401, and mud-water separation is carried out in the secondary sedimentation tank 4. The water pump 6 pumps the lower layer liquid of the aerobic tank 3, one part of the lower layer liquid flows back to the anoxic tank 1 through the first return pipe 601, the other part of the lower layer liquid flows back to the anoxic tank 1 through the jet pump 7 and the second return pipe 602, and simultaneously the jet pump 7 pumps the sludge in the secondary sedimentation tank 4 and the sludge flows back to the anoxic tank 1 through the second return pipe 602, so that a circulation treatment system is formed, and the sewage purification effect is good.
As an alternative embodiment, as shown in fig. 2, a first baffle plate 102 is disposed in the anoxic tank 1, a first through hole 103 is disposed at the bottom of the first baffle plate 102, and an outlet end of the first return pipe 601 is disposed near the first through hole 103. As shown in fig. 3, a second baffle 203 is arranged in the middle tank 2, and a second through hole 204 is arranged at the bottom of the second baffle 203.
As an alternative embodiment, a third branch pipe 603 extending into the aerobic tank 3 is connected to the first return pipe 601, and a third control valve 604 and a jet aerator 605 are connected to the third branch pipe 603. When the oxygen amount in the aerobic tank 3 is insufficient, the third control valve 604 is opened, and after the underflow in the aerobic tank 3 is pumped out by the water pump 6, a part of the underflow flows back to the aerobic tank 3 through the third control valve 604 and the jet aerator 605, so as to increase the oxygen amount in the aerobic tank 3.
In an alternative embodiment, a central cylinder 402 is disposed in the secondary sedimentation tank 4, and the central cylinder 402 is connected to the third effluent weir 302.
As an alternative embodiment, the first branch pipe 501 and the second branch pipe 502 are respectively provided with a first control valve 503 and a second control valve 504, so as to facilitate the control of each branch pipe.
As an alternative embodiment, a fourth control valve 606 is provided at one end of the first return pipe 601 near the anoxic tank 1 to facilitate control of the first return pipe 601.
As an alternative embodiment, a fifth control valve 607 is provided at the end of the second return pipe 602 close to the water pump 6 to facilitate control of the second return pipe 602.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (8)
1. A wastewater treatment system, comprising:
the side wall of the top of the anoxic tank is provided with a first effluent weir;
the middle tank is arranged close to the anoxic tank, the first water outlet weir is connected with a first water outlet pipe extending into the middle tank, and a second water outlet weir is arranged on the side wall of the top of the middle tank;
the aerobic tank is arranged close to the middle tank, the second water outlet weir is connected with a second water outlet pipe extending into the aerobic tank, and a third water outlet weir is arranged on the side wall of the top of the aerobic tank;
the secondary sedimentation tank is arranged close to the aerobic tank, and the third water outlet weir is connected with a third water outlet pipe extending into the secondary sedimentation tank;
the water inlet pipe is connected with a first branch pipe extending into the anoxic pond and a second branch pipe extending into the second effluent weir;
a water pump, wherein a water inlet of the water pump is connected with the aerobic tank, and a water outlet of the water pump is connected with a first return pipe and a second return pipe which extend into the anoxic tank;
and the jet pump is arranged on the second return pipe and is connected with the secondary sedimentation tank.
2. The wastewater treatment system according to claim 1, wherein: be equipped with first baffle in the oxygen deficiency pond, the bottom of first baffle is equipped with first through-hole, the exit end of first reflux pipe is close to first through-hole sets up.
3. The wastewater treatment system according to claim 1, wherein: and a second baffle is arranged in the middle pool, and a second through hole is formed in the bottom of the second baffle.
4. The wastewater treatment system according to claim 1, wherein: and the first return pipe is connected with a third branch pipe extending into the aerobic tank, and the third branch pipe is connected with a third control valve and a jet aerator.
5. The wastewater treatment system according to claim 1, wherein: and a central cylinder is arranged in the secondary sedimentation tank and is connected with the third effluent weir.
6. The wastewater treatment system according to claim 1, wherein: and the first branch pipe and the second branch pipe are respectively provided with a first control valve and a second control valve.
7. The wastewater treatment system according to claim 1, wherein: and a fourth control valve is arranged at one end of the first return pipe, which is close to the anoxic pond.
8. The wastewater treatment system according to claim 1, wherein: and a fifth control valve is arranged at one end of the second return pipe close to the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089537.1U CN214781379U (en) | 2021-05-20 | 2021-05-20 | Sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089537.1U CN214781379U (en) | 2021-05-20 | 2021-05-20 | Sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214781379U true CN214781379U (en) | 2021-11-19 |
Family
ID=78696293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121089537.1U Active CN214781379U (en) | 2021-05-20 | 2021-05-20 | Sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214781379U (en) |
-
2021
- 2021-05-20 CN CN202121089537.1U patent/CN214781379U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240403 Address after: No. 1-3-2, Building 8, No. 4 Metallurgical Village, Shipingqiao, Jiulongpo District, Chongqing 400050 Patentee after: Yihao Environmental Technology Co.,Ltd. Country or region after: China Address before: 400000 no.14-3-24, Yongkang Road, Baisha Industrial Park, Jiangjin District, Chongqing Patentee before: Chongqing Haoning Biotechnology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |