CN221275444U - Secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment - Google Patents
Secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment Download PDFInfo
- Publication number
- CN221275444U CN221275444U CN202322972788.XU CN202322972788U CN221275444U CN 221275444 U CN221275444 U CN 221275444U CN 202322972788 U CN202322972788 U CN 202322972788U CN 221275444 U CN221275444 U CN 221275444U
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- China
- Prior art keywords
- main shaft
- sedimentation tank
- paddle
- secondary sedimentation
- air outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000005273 aeration Methods 0.000 title claims abstract description 40
- 238000004062 sedimentation Methods 0.000 title claims abstract description 32
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract 2
- 239000007924 injection Substances 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a secondary sedimentation tank oxygenation aeration device for reclaimed water treatment, which comprises a gas transmission pipeline arranged at the bottom of a secondary sedimentation tank, wherein a plurality of aeration devices are arranged on the gas transmission pipeline, each aeration device comprises a base, a main shaft and a stirring paddle, the base is arranged on the gas transmission pipeline, the main shaft is arranged on the base, the stirring paddles are rotationally connected with the main shaft, each stirring paddle comprises a first paddle and a second paddle, a first air outlet hole is arranged on each first paddle, a second air outlet hole is arranged on each second paddle, the directions of the first air outlet holes and the second air outlet holes are opposite, and the spraying directions of the first air outlet holes and the second air outlet holes are deviated from the central axis of the stirring paddles; according to the utility model, air is pumped into the gas transmission pipeline at the bottom of the secondary sedimentation tank, and then enters the water body in the secondary sedimentation tank from the first air outlet hole and the second air outlet hole, and the first air outlet hole and the second air outlet hole push the stirring paddle to rotate through air injection, so that the stirring paddle stirs the water body, the turbulence of the water body is increased while aeration is carried out, and the water body and oxygen are fully mixed.
Description
Technical Field
The utility model relates to the technical field of reclaimed water treatment, in particular to a secondary sedimentation tank oxygenation aeration device for reclaimed water treatment.
Background
The secondary sedimentation tank is used as the last link of biological treatment of regenerated water, and has the main effects of separating mud from water, clarifying the mixed liquor after biological treatment, concentrating sludge in the mixed liquor, and determining the qualification of the content of suspended matters in the water of the effluent.
The biological treatment is a method for decomposing degradable organic matters by utilizing the metabolic action of aerobic microorganisms in a water body, and in order to promote the growth and propagation of the aerobic microorganisms in the water body of the secondary sedimentation tank and accelerate the decomposition and conversion of organic pollutants in the water body, the secondary sedimentation tank is required to be subjected to oxygenation aeration, so that the content of dissolved oxygen in the water is increased, and the respiratory metabolism of aquatic organisms is promoted.
The conventional oxygenation aeration equipment can only send air into a water body, is difficult to increase the turbulence of the water body, is unfavorable for mixing the water body and oxygen, and therefore, the oxygenation aeration device is required to increase the turbulence of the water body during aeration.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and provides a secondary sedimentation tank oxygenation aeration device for reclaimed water treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment, includes the gas transmission pipeline that sets up in secondary sedimentation tank bottom, be equipped with a plurality of aeration equipment on the gas transmission pipeline, aeration equipment includes base, main shaft and stirring rake, the base sets up on the gas transmission pipeline, the main shaft sets up on the base, the stirring rake with the main shaft rotates to be connected, the stirring rake includes first paddle and second paddle, be equipped with first venthole on the first paddle, be equipped with the second venthole on the second paddle, first venthole with the orientation of second venthole is opposite, first venthole with the direction of jet of second venthole all deviates from the central axis of stirring rake.
Preferably, the gas pipeline is provided with a first gas transmission hole, the main shaft and the base are of a hollow structure, and the gas transmission hole is communicated with the inside of the main shaft through the base.
Preferably, the main shaft is provided with a plurality of second air delivery holes at the stirring paddle, the second air delivery holes are arranged around the main shaft, the first paddles and the second paddles are hollow structures, and the first air outlet holes and the second air outlet holes are respectively communicated with the inside of the main shaft through the second air delivery holes.
According to the utility model, air is pumped into the air conveying pipeline at the bottom of the secondary sedimentation tank, and after passing through the air conveying pipeline, the base and the main shaft, the air enters the water body in the secondary sedimentation tank from the first air outlet hole and the second air outlet hole, and in the process, as the jet directions of the first air outlet hole and the second air outlet hole deviate from the central axis of the stirring paddle, reaction moment of air flow on the stirring paddle is formed, and the first air outlet hole and the second air outlet hole are mutually matched to push the first paddle and the second paddle to rotate through jet, so that the stirring paddle agitates the water body, and the turbulence of the water body is increased while the water body and oxygen are fully mixed.
Preferably, the aeration device further comprises a guide cover, the guide cover is arranged around the main shaft, and the stirring paddles are positioned in the guide cover.
The air guide sleeve is matched with the stirring paddles, so that the stirring paddles accelerate water flow passing through the air guide sleeve, circulation of water in the secondary sedimentation tank is further promoted, turbulence of the water is increased, and the water and oxygen are fully mixed.
Preferably, the air guide sleeve comprises a sleeve body and a first fixing frame, the first fixing frame comprises an annular frame body and a first connecting rod, the annular frame body is arranged around the main shaft, the annular frame body is connected with the main shaft through the first connecting rod, a slot is formed in the annular frame body, and the bottom of the sleeve body is connected with the annular frame body through the slot.
Preferably, the top of the cover body is provided with a second fixing frame, the second fixing frame comprises a second connecting rod and a fixing block, the fixing block is located on the center shaft of the cover body and connected with the cover body through the second connecting rod, the fixing block is provided with a jack, the top of the main shaft is provided with a plug-in column, and the plug-in column of the main shaft is inserted into the jack and connected with the second fixing frame.
The cover body is fixed on the main shaft through the slot and the plug-in column, so that sludge is prevented from being blocked in the guide cover, and the cover body can be directly detached for cleaning when the inner space of the guide cover needs to be cleaned.
Preferably, the aeration devices are arranged at intervals along the length direction of the gas pipeline.
Preferably, the adjacent gas pipelines are arranged in parallel, a branch pipe is arranged between the adjacent gas pipelines, and the adjacent gas pipelines are communicated through the branch pipe.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, air is pumped into the air conveying pipeline at the bottom of the secondary sedimentation tank, and after passing through the air conveying pipeline, the base and the main shaft, the air enters the water body in the secondary sedimentation tank from the first air outlet hole and the second air outlet hole, and in the process, as the jet directions of the first air outlet hole and the second air outlet hole deviate from the central axis of the stirring paddle, reaction moment of air flow on the stirring paddle is formed, the first air outlet hole and the second air outlet hole are mutually matched to push the first paddle and the second paddle to rotate through air jet, so that the stirring paddle agitates the water body, turbulence of the water body is increased while aeration is carried out, and the water body and oxygen are fully mixed.
(2) The utility model does not need a motor or other additional power sources to drive the stirring paddles to rotate, thereby simplifying the structure of the device and reducing the use energy consumption of the device.
(3) The flow guide cover and the stirring paddle are mutually matched, so that the stirring paddle accelerates the water flow passing through the flow guide cover, further promotes the circulation of the water body in the secondary sedimentation tank, increases the turbulence of the water body, and ensures that the water body and oxygen are fully mixed.
Drawings
FIG. 1 is a schematic diagram of the present utility model applied to a secondary sedimentation tank;
FIG. 2 is a schematic view of the structure of an aeration device;
FIG. 3 is a schematic view of the structure of the aeration device with the cover removed;
FIG. 4 is a schematic view of the structure of the aeration device after the cover and the stirring paddle are removed;
FIG. 5 is a schematic structural view of a stirring paddle;
In the figure: 1. a gas line; 2. an aeration device; 3. a base; 4. a main shaft; 401. a second gas delivery port; 5. a first blade; 6. a second blade; 601. a second air outlet hole; 7. a hub; 8. a guide cover; 9. a first fixing frame; 901. a slot; 10. the second fixing frame; 11. and a secondary sedimentation tank.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 5, the specific scheme of the embodiment is as follows: the utility model provides a secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment, includes gas-supply pipeline 1 of setting in secondary sedimentation tank 11 bottom, adjacent gas-supply pipeline 1 parallel arrangement is equipped with the branch pipe between the adjacent gas-supply pipeline 1, and adjacent gas-supply pipeline 1 passes through the branch pipe intercommunication, and gas-supply pipeline 1 passes through the gas supply pipeline intercommunication with the air-blower, is equipped with the check valve on the gas-supply pipeline.
A plurality of aeration devices 2 are arranged on the gas pipeline 1, and the aeration devices 2 are arranged at intervals along the length direction of the gas pipeline 1.
The aeration device 2 comprises a base 3, a main shaft 4, stirring paddles and a guide cover 8, wherein the base 3 is arranged on the gas pipeline 1, the main shaft 4 is arranged on the base 3, the stirring paddles are rotationally connected with the main shaft 4, the guide cover 8 is arranged around the main shaft 4, and the stirring paddles are positioned in the guide cover 8.
The gas pipeline 1 is provided with a first gas transmission hole, the main shaft 4 and the base 3 are of hollow structures, and the gas transmission hole is communicated with the inside of the main shaft 4 through the base 3.
The stirring rake includes first paddle 5, second paddle 6 and oar hub 7, and first paddle 5 is connected on oar hub 7 with second paddle 6, and oar hub 7 rotates with main shaft 4 to be connected, and main shaft 4 has seted up a plurality of second gas-supply holes 401 in oar hub 7 department, and second gas-supply hole 401 encircles main shaft 4 setting.
The first paddle 5 is provided with first air outlet holes which are arranged at intervals along the length direction of the first paddle 5, the second paddle 6 is provided with second air outlet holes 601, and the second air outlet holes 601 are arranged at intervals along the length direction of the second paddle 6; the directions of the first air outlet hole and the second air outlet hole 601 are opposite, and the spraying directions of the first air outlet hole and the second air outlet hole 601 deviate from the central axis of the stirring paddle.
The first blade 5, the second blade 6 and the hub 7 are of hollow structures, the first air outlet hole is communicated with the inside of the hub 7 through the hollow part of the first blade 5, the second air outlet hole 601 is communicated with the inside of the hub 7 through the hollow part of the second blade 6, and the hub 7 is communicated with the inside of the main shaft 4 through the second air transmission hole 401.
The kuppe 8 includes the cover body and first mount 9, and first mount 9 includes annular support body and first connecting rod, and annular support body encircles main shaft 4 setting, and annular support body passes through first connecting rod to be connected with main shaft 4, is equipped with slot 901 on the annular support body, and the cover body bottom passes through slot 901 and is connected with annular support body.
The top of the cover body is provided with a second fixing frame 10, the second fixing frame 10 comprises a second connecting rod and a fixing block, the fixing block is positioned on the central shaft of the cover body and connected with the cover body through the second connecting rod, the fixing block is provided with an inserting hole, the top of the main shaft 4 is provided with an inserting column, and the inserting column of the main shaft 4 is inserted into the inserting hole and connected with the second fixing frame 10.
When the air guide sleeve 8 is detached, the sleeve body can be directly pulled out, so that the sleeve body is separated from the slot 901, and the jack of the fixed block is separated from the plug-in column.
The working principle of the utility model is as follows: starting a blower to send air into the air transmission pipeline 1, enabling the air entering the air transmission pipeline 1 to enter the base 3 through a first air transmission hole, enabling the air entering the base 3 to enter the main shaft 4, enabling the air entering the main shaft 4 to enter the paddle hub 7 of the stirring paddle through a second air transmission hole 401, enabling the air entering the first paddle 5 to enter the first paddle 5 and the second paddle 6 through the paddle hub 7, enabling the air entering the first paddle 5 to be sprayed into water from a first air outlet hole, enabling the air entering the second paddle 6 to be sprayed into water from a second air outlet hole 601, and accordingly enabling the reaction moment of air flow to the stirring paddle to be formed, and enabling the stirring paddle to rotate for 360 degrees;
In the rotating process of the stirring paddle, water is sucked from the bottom of the air guide sleeve 8, and meanwhile, the water is accelerated to flow towards the top of the air guide sleeve 8 under the action of centrifugal force, so that a negative pressure area is formed, and the water in the air guide sleeve 8 is discharged;
In the process, the air sprayed by the stirring paddles and the water body sucked into the air guide sleeve 8 are mixed together to form an oxygen-enriched water body, and after the oxygen-enriched water body is accelerated and discharged, the oxygen-enriched water body can be mixed with the water body far away from the aeration device 2, so that the action range of the aeration device 2 is improved, and the aeration device 2 can carry out oxygenation on the water body in a larger range.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment, includes the gas-supply pipeline that sets up in secondary sedimentation tank bottom, its characterized in that, be equipped with a plurality of aeration equipment on the gas-supply pipeline, aeration equipment includes base, main shaft and stirring rake, the base sets up on the gas-supply pipeline, the main shaft sets up on the base, the stirring rake with the main shaft rotates to be connected, the stirring rake includes first paddle and second paddle, be equipped with first venthole on the first paddle, be equipped with the second venthole on the second paddle, first venthole with the orientation of second venthole is opposite, first venthole with the injection direction of second venthole all deviates from the central axis of stirring rake.
2. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 1, wherein the gas pipeline is provided with a first gas transmission hole, the main shaft and the base are of a hollow structure, and the gas transmission hole is communicated with the inside of the main shaft through the base.
3. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 2, wherein the main shaft is provided with a plurality of second air delivery holes at the stirring paddle, the second air delivery holes are arranged around the main shaft, the first paddles and the second paddles are hollow structures, and the first air outlet holes and the second air outlet holes are respectively communicated with the inside of the main shaft through the second air delivery holes.
4. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment of claim 1, further comprising a guide cover, wherein the guide cover is arranged around the main shaft, and the stirring paddle is arranged in the guide cover.
5. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 4, wherein the diversion cover comprises a cover body and a first fixing frame, the first fixing frame comprises an annular frame body and a first connecting rod, the annular frame body is arranged around the main shaft, the annular frame body is connected with the main shaft through the first connecting rod, a slot is formed in the annular frame body, and the bottom of the cover body is connected with the annular frame body through the slot.
6. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 5, wherein the top of the cover body is provided with a second fixing frame, the second fixing frame comprises a second connecting rod and a fixing block, the fixing block is positioned on the center shaft of the cover body and connected with the cover body through the second connecting rod, the fixing block is provided with a jack, the top of the main shaft is provided with a plug-in column, and the plug-in column of the main shaft is inserted into the jack and connected with the second fixing frame.
7. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 1, wherein the aeration devices are arranged at intervals along the length direction of the gas pipeline.
8. The secondary sedimentation tank oxygenation aeration device for reclaimed water treatment according to claim 1, wherein adjacent gas pipelines are arranged in parallel, a branch pipe is arranged between the adjacent gas pipelines, and the adjacent gas pipelines are communicated through the branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972788.XU CN221275444U (en) | 2023-11-03 | 2023-11-03 | Secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972788.XU CN221275444U (en) | 2023-11-03 | 2023-11-03 | Secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221275444U true CN221275444U (en) | 2024-07-05 |
Family
ID=91706667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322972788.XU Active CN221275444U (en) | 2023-11-03 | 2023-11-03 | Secondary sedimentation tank oxygenation aeration equipment for reclaimed water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221275444U (en) |
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2023
- 2023-11-03 CN CN202322972788.XU patent/CN221275444U/en active Active
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