CN220393437U - Aerobic sewage treatment device - Google Patents
Aerobic sewage treatment device Download PDFInfo
- Publication number
- CN220393437U CN220393437U CN202321927264.2U CN202321927264U CN220393437U CN 220393437 U CN220393437 U CN 220393437U CN 202321927264 U CN202321927264 U CN 202321927264U CN 220393437 U CN220393437 U CN 220393437U
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- CN
- China
- Prior art keywords
- aeration
- zone
- vertical partition
- partition wall
- aerobic
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- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 238000005273 aeration Methods 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 35
- 239000010802 sludge Substances 0.000 claims abstract description 34
- 238000004062 sedimentation Methods 0.000 claims abstract description 28
- 238000005276 aerator Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000000926 separation method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses an aerobic sewage treatment device, which belongs to the technical field of sewage treatment equipment, and comprises an aeration tank, wherein a vertical partition wall and a guide plate are arranged in the aeration tank; a sedimentation zone is arranged above the sludge concentration zone, and the bottom of the sedimentation zone is communicated with the aerobic aeration zone pipeline; the guide plate is arranged on the vertical partition wall, a guide area is formed between the guide plate and the vertical partition wall, a guide opening is formed in the vertical partition wall at the bottom of the guide area, and the guide area is communicated with the lower part of the sedimentation area through the guide opening. The device simple structure, convenient operation realizes the mud backward flow through gravity, can save the mud backwash pump, simultaneously can be better keep the mud activity, realizes energy saving and consumption reduction, reduces investment and running cost.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment equipment, and particularly relates to an aerobic sewage treatment device.
Background
The activated sludge process is a biological treatment technology for removing pollutants in sewage by utilizing aerobic microorganisms. The aerobic section of the activated sludge treatment process such as A/O, A/A/O is usually composed of an aeration tank, a secondary sedimentation tank, a sludge concentration tank, a sludge reflux and excess sludge discharge system and the like.
At present, in the conventional design, the sewage treatment aerobic tank, the sludge sedimentation tank and the sludge concentration tank are separately arranged, a sludge reflux pump, a connecting pipeline between the tanks and the like are required to be arranged, and the arrangement mode occupies a large area and is not beneficial to energy conservation and consumption reduction.
Disclosure of Invention
In view of the above, the utility model provides an aerobic sewage treatment device which has a simple structure and convenient operation, realizes sludge reflux through gravity flow, can omit a sludge reflux pump, can better maintain sludge activity, realizes energy conservation and consumption reduction, and reduces investment and operation cost.
The utility model is realized by the following technical scheme:
an aerobic sewage treatment device comprises an aeration tank, wherein a vertical partition wall and a guide plate are arranged in the aeration tank, the vertical partition wall is arranged on the side wall of the aeration tank, and the aeration tank is divided into an aerobic aeration zone and a sludge concentration zone from inside to outside; a sedimentation zone is arranged above the sludge concentration zone, and the bottom of the sedimentation zone is communicated with the aerobic aeration zone pipeline; the guide plate is arranged on the vertical partition wall, a guide area is formed between the guide plate and the vertical partition wall, a guide opening is formed in the vertical partition wall at the bottom of the guide area, and the guide area is communicated with the lower part of the sedimentation area through the guide opening.
Compared with the prior art, the utility model has at least the following technical effects:
different from radial sedimentation of a traditional combined type complete mixing reaction tank, the utility model adopts a combined type of an aerobic aeration zone, a sedimentation zone and a sludge concentration zone, a vertical partition wall is arranged in the aeration tank, all reaction zones share part of partition wall, the sedimentation zone and the sludge concentration zone are arranged up and down, the sedimentation zone adopts vertical sedimentation, the density difference of mud-water mixed liquor and concentrated sludge in the aerobic aeration zone is fully utilized, the mixed liquor enters the sedimentation zone from a diversion zone and the sludge concentration zone to realize mud-water separation, and the sludge flows back to the aerobic aeration zone through gravity.
Further, the included angle between the guide plate and the vertical partition wall is 130-140 degrees. The included angle between the guide plate and the vertical partition wall is too large, and the inflow water entering the sedimentation tank in the guide area easily causes disturbance to the sludge concentration area; the included angle between the guide plate and the vertical partition wall is too small, and a dead water area is easily formed in the aeration area at the lower side of the guide plate.
Further, a drainage tank is further arranged at the top of the outer side of the aeration tank, the drainage tank is communicated with the top of the sedimentation area, and sewage after mud-water separation flows out through a water outlet tank.
Further, an aeration device is arranged at the bottom of the aerobic aeration zone, and the aeration device is communicated with an external blower pipeline.
Further, the guide plate is a folded plate bent towards the sedimentation area, one side plate of the guide plate is fixedly connected with the vertical partition wall, and the other side plate is parallel to the vertical partition wall. The mixed liquid flows in through the baffle plate at the upper side, thereby being beneficial to realizing steam-water separation of the sludge with bubbles attached to the aerobic aeration zone.
Further, the aeration tank is of a horn-shaped structure, and the vertical partition wall is arranged on the side wall of the aeration tank.
Further, the aeration device is an aeration pipe network or an aerator.
Drawings
FIG. 1 is a sectional view of an aerobic sewage treatment apparatus according to the present utility model.
FIG. 2 is a plan view of an aerobic sewage treatment apparatus according to the present utility model.
Wherein, the drawing shows that a 1-aeration tank; 2-vertical partition walls; 3-a deflector; 4-piping; 5-an aeration pipe network; 6-a water outlet tank; 11-an aerobic aeration zone; 12-a sludge concentration zone; 13-a precipitation zone; 21-a diversion area.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, but the described embodiments are only some embodiments, but not all embodiments of the present utility model, and the scope of protection of the present utility model is not limited thereto.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, the present embodiment provides an aerobic sewage treatment device, which includes a horn-shaped aeration tank 1, wherein a vertical partition wall 2 and a deflector 3 are arranged in the aeration tank 1, the vertical partition wall 2 is annularly arranged on the side wall of the aeration tank 1, and the aeration tank 1 is partitioned into an aerobic aeration zone 11 and a sludge concentration zone 12 from inside to outside; a sedimentation zone 13 is arranged above the sludge concentration zone 12, and the bottom of the sludge concentration zone 12 is communicated with an inlet of the aerobic aeration zone 11 through a pipeline 5; an aeration pipe network 5 is arranged at the bottom of the aerobic aeration zone 11, and the aeration pipe network 5 is communicated with an external blower pipeline; the guide plate 3 is arranged on the vertical partition wall 2, a guide area is formed between the guide plate 3 and the vertical partition wall 2, the disturbance of the rising flow rate of sewage in the aerobic aeration area 11 to the sedimentation area 13 and the sludge concentration area 12 can be avoided, and a guide opening is formed in the vertical partition wall 2 contacted with the bottom of the guide area 21, and the guide area 21 is communicated with the lower part of the sedimentation area 13 through the guide opening.
In this embodiment, the baffle 3 is a folded plate, one side plate of the baffle 3 is connected and fixed with the vertical partition wall 2, the included angle between the side plate and the vertical partition wall 2 is 135 °, the other side plate of the baffle is parallel to the vertical partition wall, and the mixed solution is baffled to enter water through the upper side of the baffle 3, so that the separation of the steam and water of the sludge attached with bubbles in the aerobic aeration zone 11 is facilitated.
In the embodiment, a water outlet tank 6 is further arranged on the outer side of the aeration tank 1, the water outlet tank 6 is communicated with the sedimentation area 13, and sewage after mud-water separation flows out through the water outlet tank 6.
Based on the scheme, the processing method of the device is as follows:
the sewage is led into the aerobic aeration zone 11, air is led into the aerobic aeration zone 11 through an aeration pipe network 5 supplied by a blower, the sewage is baffled to enter a diversion zone 21 through the upper side of a diversion plate 3, enters a sedimentation zone 13 from the lower part of the diversion zone 21, the sewage after mud-water separation flows out through a water outlet tank 6, and the sludge is immersed into a sludge concentration zone 12 and then flows back to the aerobic aeration zone 11 or is discharged outside through a pipeline 5 at the bottom.
In other embodiments, the aeration device can be an aerator, and the air blowers can be arranged for use together, so that the occupied area can be reduced, and the effective water depth of the aerobic aeration zone in the sewage treatment process can reach 6.0m.
In summary, the aerobic sewage treatment device provided by the utility model realizes the sludge-water separation by utilizing the density difference of the sludge-water mixture and the concentrated sludge in the aerobic aeration zone 11, the process can effectively utilize the water head of a water tank, reduce the occupied area, and reduce the connecting pipeline, the valve and the sludge pump between the sedimentation tank and the sludge concentration tank, thereby reducing the equipment investment and the running cost.
The present utility model is not limited to the above-described embodiments, but is intended to include modifications and variations if they fall within the scope of the claims and the equivalents thereof, without departing from the spirit and scope of the present utility model.
Claims (7)
1. The aerobic sewage treatment device is characterized by comprising an aeration tank, wherein a vertical partition wall and a guide plate are arranged in the aeration tank, the vertical partition wall is arranged on the side wall of the aeration tank, and the aeration tank is divided into an aerobic aeration zone and a sludge concentration zone from inside to outside; a sedimentation zone is arranged above the sludge concentration zone, and the bottom of the sedimentation zone is communicated with the aerobic aeration zone pipeline; the guide plate is arranged on the vertical partition wall, a guide area is formed between the guide plate and the vertical partition wall, a guide opening is formed in the vertical partition wall at the bottom of the guide area, and the guide area is communicated with the lower part of the sedimentation area through the guide opening.
2. An aerobic sewage treatment device according to claim 1, wherein the angle between the baffle and the vertical partition is 130-140 °.
3. The aerobic sewage treatment device according to claim 1, wherein a drainage tank is further provided at the top of the outer side of the aeration tank, and the drainage tank is communicated with the top of the sedimentation zone.
4. The aerobic sewage treatment device according to claim 1, wherein an aeration device is arranged at the bottom of the aerobic aeration zone, and the aeration device is communicated with an external blower pipeline.
5. The aerobic sewage treatment device according to claim 2, wherein the deflector is a folded plate bent towards the sedimentation area, one side plate of the folded plate is fixedly connected with the vertical partition wall, and the other side plate is parallel to the vertical partition wall.
6. The aerobic sewage treatment apparatus according to claim 1, wherein the aeration tank has a horn-shaped structure, and the vertical partition wall is provided on a side wall of the aeration tank.
7. The aerobic sewage treatment apparatus according to claim 4, wherein the aeration device is an aeration pipe network or an aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927264.2U CN220393437U (en) | 2023-07-21 | 2023-07-21 | Aerobic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927264.2U CN220393437U (en) | 2023-07-21 | 2023-07-21 | Aerobic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220393437U true CN220393437U (en) | 2024-01-26 |
Family
ID=89610037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321927264.2U Active CN220393437U (en) | 2023-07-21 | 2023-07-21 | Aerobic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220393437U (en) |
-
2023
- 2023-07-21 CN CN202321927264.2U patent/CN220393437U/en active Active
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