CN220656517U - Sewage flushing treatment device for secondary sedimentation tank - Google Patents
Sewage flushing treatment device for secondary sedimentation tank Download PDFInfo
- Publication number
- CN220656517U CN220656517U CN202323385276.XU CN202323385276U CN220656517U CN 220656517 U CN220656517 U CN 220656517U CN 202323385276 U CN202323385276 U CN 202323385276U CN 220656517 U CN220656517 U CN 220656517U
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- sedimentation tank
- secondary sedimentation
- water outlet
- zone
- sewage
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 145
- 239000010865 sewage Substances 0.000 title claims abstract description 57
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 230000001680 brushing effect Effects 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 19
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, in particular to a secondary sedimentation tank sewage flushing treatment device. The secondary sedimentation tank sewage flushing treatment device comprises a secondary sedimentation tank sedimentation area, a secondary sedimentation tank peripheral area is arranged on the outer side of the secondary sedimentation tank sedimentation area, a secondary sedimentation tank water outlet area is arranged between the secondary sedimentation tank sedimentation area and the secondary sedimentation tank peripheral area, a rotating shaft is arranged in the secondary sedimentation tank sedimentation area, a rotating table is rotatably connected onto the rotating shaft, and a floating mud injection head, a primary water outlet spray head and a primary brushing device are arranged on the rotating table. The device removes impurities on the water outlet cofferdam through the arrangement of the water outlet spray header and the brushing device, thereby greatly improving the removal efficiency of the impurities on the cofferdam; through the setting of the floating mud injection head, the floating mud in the sewage of the secondary sedimentation tank is impacted, so that the floating mud is sunk into the sewage, the mud-water separation rate of the secondary sedimentation tank is greatly improved, and the sewage treatment efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a secondary sedimentation tank sewage flushing treatment device.
Background
With the rapid development of industry and city, the sewage discharge amount is increased, and serious pollution is caused to the environment. To solve this problem, sewage treatment plants become an integral part of cities. In sewage treatment, a secondary sedimentation tank is an important component for separating solid suspended matters and sediments in sewage. However, after the water is discharged from the traditional secondary sedimentation tank, impurities are remained on the cofferdam, particularly moss such as moss is enriched in the cofferdam when the temperature in summer is higher, the sewage treatment effect after the secondary sedimentation tank is seriously affected, and floating mud is also remained in the secondary sedimentation tank, so that a certain difficulty is caused for separating mud and water.
Patent application CN209161788U, publication time 2019.07.26. The system comprises a water inlet pump house, a sand setting tank, a primary sedimentation tank, an improved MBBR biochemical tank, a secondary sedimentation tank, a high-efficiency sedimentation tank, a filter tank and a disinfection tank which are connected according to the process flow; the water inlet pump room is provided with a coarse grid, the sand setting tank is provided with a fine grid, the biochemical tank comprises an anaerobic tank, an anoxic tank and an aerobic tank, the primary sedimentation tank is arranged above the anaerobic tank, the water discharge end of the aerobic tank is connected to the secondary sedimentation tank, and the aerobic tank is provided with a nitrifying liquid return pipe communicated with the anaerobic tank; the high-efficiency sedimentation tank comprises a coagulation area, a magnetic powder mixing area, a flocculation area and a sedimentation area; the filter tank is provided with a fiber filter material for filtering and purifying sewage and a back flushing device for cleaning the fiber filter material; the disinfection tank is provided with disinfection equipment. But the sludge in the secondary sedimentation tank and the attachments on the cofferdam are not removed.
Disclosure of Invention
According to the defects in the prior art, the utility model aims to provide the secondary sedimentation tank sewage flushing treatment device, impurities on the water outlet cofferdam are removed through the arrangement of the water outlet spray header and the brushing device, and the removal efficiency of the impurities on the cofferdam is greatly improved; through the setting of the floating mud injection head, the floating mud in the sewage of the secondary sedimentation tank is impacted, so that the floating mud is sunk into the sewage, the mud-water separation rate of the secondary sedimentation tank is greatly improved, and the sewage treatment efficiency is improved.
The utility model is realized by adopting the following technical scheme:
the secondary sedimentation tank sewage flushing treatment device comprises a secondary sedimentation tank sedimentation area, a secondary sedimentation tank peripheral area is arranged on the outer side of the secondary sedimentation tank sedimentation area, a secondary sedimentation tank water outlet area is arranged between the secondary sedimentation tank sedimentation area and the secondary sedimentation tank peripheral area, a rotating shaft is arranged in the secondary sedimentation tank sedimentation area, a rotating table is rotatably connected onto the rotating shaft, and a floating mud injection head, a primary water outlet spray head and a primary brushing device are arranged on the rotating table.
The sewage liquid levels in the secondary sedimentation tank sedimentation area and the secondary sedimentation tank peripheral area are higher than that in the secondary sedimentation tank water outlet area, sewage in the secondary sedimentation tank sedimentation area flows through the cofferdam and enters the secondary sedimentation tank water outlet area, the water outlet spray header washes impurities on the cofferdam, the brushing device is a brush or a rolling brush, and the brushing device rotates along with the rotary table to remove the impurities on the cofferdam in the moving process.
The rotary table is provided with a water pump, the water pump is connected with a water inlet pump pipeline, and the water pump is connected with the floating mud injection head through a water guide pipeline. The water inlet pump pipeline is provided with a filter screen, the water inlet pump pipeline stretches into sewage, but does not stretch into the bottom of the tank, and the filter screen is used for filtering out impurities in the sewage entering the water inlet pump pipeline.
The water pump is connected with a primary water outlet spray header and a secondary water outlet spray header through a water guide pipeline, and the secondary water outlet spray header is fixed on the turntable.
The primary water outlet spray header is positioned right above the cofferdam at the joint of the secondary sedimentation tank sedimentation area and the secondary sedimentation tank water outlet area, and the secondary water outlet spray header is positioned right above the cofferdam at the joint of the secondary sedimentation tank water outlet area and the secondary sedimentation tank peripheral area.
The rotary table is provided with a driving device and a floating mud collecting plate, and a sewage outlet is arranged in the sedimentation area of the secondary sedimentation tank.
The rotary table is provided with a second-stage brushing device, the first-stage brushing device is positioned on one side of a cofferdam at the joint of the sedimentation area of the secondary sedimentation tank and the water outlet area of the secondary sedimentation tank, the second-stage brushing device is positioned on one side of the cofferdam at the joint of the water outlet area of the secondary sedimentation tank and the peripheral area of the secondary sedimentation tank, and the first-stage brushing device and the second-stage brushing device are positioned on the water outlet area of the secondary sedimentation tank.
The turntable rotates around the rotating shaft.
The working principle of the utility model is as follows:
after sewage enters a secondary sedimentation tank sedimentation zone, the driving device drives the turntable to start rotating around the rotating shaft, the water pump starts working, the sewage after impurity removal is pumped into the floating mud injection head, and floating mud on the surface of the sewage is removed; when sewage in the sedimentation area of the secondary sedimentation tank passes through the cofferdam, the primary water outlet spray header, the secondary water outlet spray header, the primary brushing device and the secondary brushing device start to work, and impurities on the cofferdam are removed. Wherein, the drain is used for discharging mud to next device. The sewage liquid levels in the secondary sedimentation tank sedimentation area and the secondary sedimentation tank peripheral area are higher than that in the secondary sedimentation tank water outlet area, sewage in the secondary sedimentation tank sedimentation area flows through the cofferdam and enters the secondary sedimentation tank water outlet area, the water outlet spray header washes impurities on the cofferdam, the brushing device is a brush or a rolling brush, and the brushing device rotates along with the rotary table to remove the impurities on the cofferdam in the moving process. The water inlet pump pipeline is provided with a filter screen, the water inlet pump pipeline stretches into sewage, but does not stretch into the bottom of the tank, and the filter screen is used for filtering out impurities in the sewage entering the water inlet pump pipeline. The water outlet spray header comprises a first-stage water outlet spray header and a second-stage water outlet spray header; the brushing device comprises a first-stage brushing device and a second-stage brushing device.
Compared with the prior art, the utility model has the beneficial effects that:
by adopting the secondary sedimentation tank sewage flushing treatment device, impurities on the water outlet cofferdam are removed through the arrangement of the water outlet spray header and the brushing device, so that the removal efficiency of the impurities on the cofferdam is greatly improved; through the setting of the floating mud injection head, the floating mud in the sewage of the secondary sedimentation tank is impacted, so that the floating mud is sunk into the sewage, the mud-water separation rate of the secondary sedimentation tank is greatly improved, and the sewage treatment efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a secondary sedimentation tank sewage flushing treatment device of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model at a water outlet showerhead;
FIG. 3 is a cross-sectional view of a brushing apparatus of the present utility model;
in the figure: 1. a secondary sedimentation tank sedimentation zone; 2. a secondary sedimentation tank water outlet area; 3. a secondary sedimentation tank peripheral region; 4. a turntable; 5. a driving device; 6. a rotating shaft; 7. a water pump; 8. a water inlet pump pipe; 9. a water guide pipe; 10. a float mud jet head; 11. a first-stage water outlet spray header; 12. a secondary water outlet spray header; 13. a floating mud collecting plate; 14. a sewage outlet; 15. a primary brushing device; 16. a secondary brushing device.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects and technical solutions of the present utility model more apparent.
Example 1
As shown in fig. 1, the secondary sedimentation tank sewage flushing treatment device comprises a secondary sedimentation tank sedimentation zone 1, a secondary sedimentation tank peripheral zone 3 is arranged on the outer side of the secondary sedimentation tank sedimentation zone 1, a secondary sedimentation tank water outlet zone 2 is arranged between the secondary sedimentation tank sedimentation zone 1 and the secondary sedimentation tank peripheral zone 3, a rotating shaft 6 is arranged in the secondary sedimentation tank sedimentation zone 1, a rotating table 4 is rotationally connected to the rotating shaft 6, and a floating mud injection head 10, a primary water outlet spray head 11 and a primary brushing device 15 are arranged on the rotating table 4. The turntable 4 is provided with a water pump 7, the water pump 7 is connected with a water inlet pump pipeline 8, and the water pump 7 is connected with a floating mud injection head 10 through a water guide pipeline 9. The water pump 7 is connected with a primary water outlet spray header 11 and a secondary water outlet spray header 12 through a water guide pipeline 9, and the secondary water outlet spray header 12 is fixed on the turntable 4. As shown in fig. 2, the primary water outlet spray header 11 is positioned right above the cofferdam at the joint of the secondary sedimentation tank sedimentation zone 1 and the secondary sedimentation tank water outlet zone 2, and the secondary water outlet spray header 12 is positioned right above the cofferdam at the joint of the secondary sedimentation tank water outlet zone 2 and the secondary sedimentation tank peripheral zone 3. The sewage liquid levels in the secondary sedimentation tank sedimentation zone 1 and the secondary sedimentation tank peripheral zone 3 are higher than those in the secondary sedimentation tank water outlet zone 2, sewage in the secondary sedimentation tank sedimentation zone 1 overflows the cofferdam and enters the secondary sedimentation tank water outlet zone 2, the primary water outlet spray header 11 and the secondary water outlet spray header 12 flush impurities on the cofferdam, the brushing device is a brush, and the brushing device rotates along with the rotary table, so that the impurities on the cofferdam are removed in the moving process. The turntable 4 is provided with a driving device 5 and a floating mud collecting plate 13, and a sewage outlet 14 is arranged in the secondary sedimentation tank sedimentation zone 1. As shown in fig. 3, a secondary brushing device 16 is arranged on the turntable 4, the primary brushing device 15 is positioned on one side of a cofferdam at the joint of the secondary sedimentation tank sedimentation zone 1 and the secondary sedimentation tank water outlet zone 2, the secondary brushing device 16 is positioned on one side of a cofferdam at the joint of the secondary sedimentation tank water outlet zone 2 and the secondary sedimentation tank peripheral zone 3, and the primary brushing device 15 and the secondary brushing device 16 are positioned on the secondary sedimentation tank water outlet zone 2. The turntable 4 rotates around a rotation axis 6.
The secondary sedimentation tank sewage flushing treatment device comprises the following steps in operation:
(1) After sewage enters the secondary sedimentation tank sedimentation zone 1, the driving device 5 drives the rotary table 4 to start rotating around the rotary shaft 6, the water pump 7 starts working, the sewage after impurity removal is pumped into the floating mud injection head 10, and floating mud on the surface of the sewage is removed; (2) When sewage in the sedimentation area 1 of the secondary sedimentation tank overflows the cofferdam and enters the water outlet area 2 of the secondary sedimentation tank, the primary water outlet spray header 11, the secondary water outlet spray header 12, the primary brushing device 15 and the secondary brushing device 16 start to work, and impurities on the cofferdam are removed.
Claims (7)
1. The utility model provides a two heavy pond sewage flushing treatment device, a serial communication port, including two heavy pond sedimentation zone (1), two heavy pond sedimentation zone (1) outsides are equipped with two heavy pond peripheral district (3), are equipped with two heavy pond play water district (2) between two heavy pond sedimentation zone (1) and the two heavy pond peripheral district (3), two heavy pond sedimentation zone (1) inside are equipped with pivot (6), rotate on pivot (6) and are connected with revolving stage (4), are equipped with on revolving stage (4) and float mud injection head (10), one-level play water shower head (11) and one-level brushing device (15).
2. The secondary sedimentation tank sewage flushing treatment device according to claim 1, wherein the turntable (4) is provided with a water pump (7), the water pump (7) is connected with a water inlet pump pipeline (8), and the water pump (7) is connected with a floating mud injection head (10) through a water guide pipeline (9).
3. The secondary sedimentation tank sewage flushing treatment device according to claim 2, wherein the water pump (7) is connected with a primary water outlet spray header (11) and a secondary water outlet spray header (12) through a water guide pipeline (9), and the secondary water outlet spray header (12) is fixed on the rotary table (4).
4. The secondary sedimentation tank sewage flushing treatment device according to claim 3, wherein the primary water outlet spray header (11) is positioned right above a cofferdam at the joint of the secondary sedimentation tank sedimentation zone (1) and the secondary sedimentation tank water outlet zone (2), and the secondary water outlet spray header (12) is positioned right above a cofferdam at the joint of the secondary sedimentation tank water outlet zone (2) and the secondary sedimentation tank peripheral zone (3).
5. The secondary sedimentation tank sewage flushing treatment device according to claim 1, wherein the turntable (4) is provided with a driving device (5) and a floating mud collecting plate (13), and a sewage drain (14) is arranged in the secondary sedimentation tank sedimentation zone (1).
6. The secondary sedimentation tank sewage flushing treatment device according to claim 1, wherein the rotary table (4) is provided with a secondary brushing device (16), the primary brushing device (15) is positioned at one side of a cofferdam at the joint of the secondary sedimentation tank sedimentation zone (1) and the secondary sedimentation tank water outlet zone (2), the secondary brushing device (16) is positioned at one side of the cofferdam at the joint of the secondary sedimentation tank water outlet zone (2) and the secondary sedimentation tank peripheral zone (3), and the primary brushing device (15) and the secondary brushing device (16) are positioned on the secondary sedimentation tank water outlet zone (2).
7. The secondary sedimentation tank sewage flushing treatment device according to claim 1, characterized in that the turntable (4) rotates around the rotation shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323385276.XU CN220656517U (en) | 2023-12-13 | 2023-12-13 | Sewage flushing treatment device for secondary sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323385276.XU CN220656517U (en) | 2023-12-13 | 2023-12-13 | Sewage flushing treatment device for secondary sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220656517U true CN220656517U (en) | 2024-03-26 |
Family
ID=90332044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323385276.XU Active CN220656517U (en) | 2023-12-13 | 2023-12-13 | Sewage flushing treatment device for secondary sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220656517U (en) |
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2023
- 2023-12-13 CN CN202323385276.XU patent/CN220656517U/en active Active
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