CN211419745U - Aeration agitating unit for sewage treatment - Google Patents
Aeration agitating unit for sewage treatment Download PDFInfo
- Publication number
- CN211419745U CN211419745U CN201921961219.2U CN201921961219U CN211419745U CN 211419745 U CN211419745 U CN 211419745U CN 201921961219 U CN201921961219 U CN 201921961219U CN 211419745 U CN211419745 U CN 211419745U
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- CN
- China
- Prior art keywords
- aeration
- stirring shaft
- sewage treatment
- stirring
- cavity
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- 238000005273 aeration Methods 0.000 title claims abstract description 56
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 238000003756 stirring Methods 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005188 flotation Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 230000001706 oxygenating effect Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
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)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses an aeration agitating unit for sewage treatment relates to sewage treatment technical field, including aeration (mixing) shaft and the drive that extends in the water rotatory driving motor of aeration (mixing) shaft, aeration (mixing) shaft includes hollow stirring axis body, sets up the first through-hole that feeds through to inside cavity on it, the stirring axis body with the driving motor transmission is connected, stirring axis body outside seal cover is equipped with hollow sleeve, set up the second through-hole rather than inside cavity intercommunication on the hollow sleeve, the lower extreme of stirring axis body is provided with the plug helical blade, inside set up of plug helical blade with the cavity of the inside cavity intercommunication of stirring axis body, plug helical blade sets up the venthole with the cavity intercommunication. The utility model discloses realize oxygenating in the water body when stirring to the water body, aerating, improved the effect of aeration, and the installation is simple, equipment cost is low.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an aeration agitating unit for sewage treatment.
Background
In the sewage treatment process, air is forcibly added into sewage by using a certain method and equipment, so that the sewage in the tank is in contact with the air to oxygenate, and the liquid is stirred, the transfer of oxygen in the air into the liquid is accelerated, the suspension in the tank is prevented from sinking, the contact of organic matters in the tank with microorganisms and dissolved oxygen is enhanced, and the organic matters in the sewage are subjected to oxidative decomposition, and the equipment for forcibly increasing the oxygen into the sewage is called as aeration equipment.
Most of the existing aeration devices adopt a large number of aeration heads buried underwater, aeration is carried out by an air blower, a large number of pipelines need to be laid, a large number of underwater structures are arranged, the installation is complex, the engineering quantity is large, the cost is high, and the aeration effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an aeration stirring device for sewage treatment.
In order to solve the technical problem, the technical scheme of the utility model as follows:
an aeration stirring device for sewage treatment comprises an aeration stirring shaft extending into a water body and a driving motor driving the aeration stirring shaft to rotate, wherein the aeration stirring shaft comprises a hollow stirring shaft body, a first through hole communicated with the inner cavity is arranged on the stirring shaft body, the stirring shaft body is in transmission connection with the driving motor, a hollow sleeve is hermetically sleeved outside the stirring shaft body and connected with the stirring shaft body through a sealing bearing, the hollow sleeve is provided with a second through hole communicated with the inner cavity of the hollow sleeve, the second through hole is communicated with an external air supply device through an air inlet pipe, the lower extreme of stirring axis body is provided with and pushes away a class helical blade, push away to flow helical blade inside set up with the cavity of stirring axis body inside cavity intercommunication, push away to flow helical blade and set up the venthole with the cavity intercommunication towards pushing away flow direction one side.
As an optimized scheme of the aeration stirring device for sewage treatment, the driving motor is arranged on the floating box, the floating box is provided with a hole for the stirring shaft body to extend into the water body.
As an aeration stirring device's for sewage treatment preferred scheme, still be provided with on the flotation tank and be used for driving aeration stirring device reciprocating swing's swing mechanism in vertical plane, swing mechanism is including setting up support frame, rotation on the flotation tank and installing the revolving stage on the support frame and drive the rotatory drive arrangement of revolving stage, driving motor fixed mounting is on the revolving stage.
As a sewage treatment is with aeration agitating unit's an preferred scheme, drive arrangement including fixed set up in servo motor on the flotation tank, the servo motor transmission is connected with the action wheel, coaxial fixed mounting has from the driving wheel on the revolving stage, the action wheel with connect from the driving wheel transmission.
As an optimized proposal of the aeration stirring device for sewage treatment, the utility model comprises: at least three air outlet holes are uniformly formed in the plug flow spiral blade.
The utility model has the advantages that:
(1) the utility model discloses a sealed bearing makes the stirring axis body keep the sealing performance between the two throughout in the inside rotatory process of hollow sleeve, and then through carrying gas to hollow sleeve in, make gas get into the cavity of stirring axis body inside through first through-hole, discharge through the venthole at last to realize oxygenating in the water body when stirring to the water body, carry out the aeration, improved the effect of aeration, and the installation is simple, equipment cost is low;
(2) the utility model discloses set up the spiral blade that pushes away at the lower extreme of stirring axis body, and set up the cavity that communicates with the internal cavity of stirring axis body in the spiral blade that pushes away, the air in the (mixing) shaft body can get into the spiral blade that pushes away, and arrange to the water by the venthole, simultaneously, the spiral blade that pushes away promotes rivers and flows, thereby can drive the combustion gas to move to the water, increased the residence time of bubble in the water, improved the solubility of aquatic oxygen, guaranteed the aeration quality;
(3) the utility model is also provided with a swing mechanism, and the aeration stirring device can be driven by the swing mechanism to swing in a reciprocating way in a vertical plane, so that the aeration stirring device can carry out plug flow aeration in different directions, thereby realizing the uniform aeration of the water body;
(4) the utility model discloses well aeration agitating unit sets up on the flotation tank, makes aeration agitating unit can directly assemble in the sewage treatment pond through the flotation tank, need not set up the installation support body, effectively the cost is reduced, in addition, swing mechanism when driving the aeration agitating unit swing, makes plug helical blade's plug flow direction change, and on the reaction force that plug flow helical blade produced acted on the flotation tank, can drive the flotation tank and remove at the water surface, further improve aerated coverage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of an aeration stirring device for sewage treatment provided by the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a schematic structural view of a stirring shaft body of the aeration stirring device for sewage treatment provided by the present invention;
FIG. 4 is a bottom view of a spiral flow-pushing blade of the aeration stirring device for sewage treatment provided by the utility model;
wherein: 1. a drive motor; 2. a stirring shaft body; 3. a first through hole; 4. a hollow sleeve; 5. sealing the bearing; 6. a second through hole; 7. an air inlet pipe; 8. a gas supply device; 9. a plug flow helical blade; 10. a chamber; 11. an air outlet; 12. a buoyancy tank; 13. a support frame; 14. a rotating table; 15. a servo motor; 16. a driven wheel; 17. a driving wheel.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Most of the existing aeration devices adopt a large number of aeration heads buried underwater, aeration is carried out by an air blower, a large number of pipelines need to be laid, a large number of underwater structures are arranged, the installation is complex, the engineering quantity is large, the cost is high, and the aeration effect is not ideal.
Referring to fig. 1 to 4, in view of this, this embodiment provides an aeration stirring apparatus for sewage treatment, the main body of the apparatus includes an aeration stirring shaft with one end extending into the water body and a driving motor 1 for driving the aeration stirring shaft to rotate, the aeration stirring shaft can supply air and oxygenate to the water body while stirring the water body, and the apparatus is simple to install and low in equipment cost.
Specifically, the aeration stirring shaft includes stirring shaft body 2, and this stirring shaft body 2 is inside to be seted up first cavity. The side of the stirring shaft body 2 is also provided with a first through hole 3 communicated with the first cavity. The lower extreme of the stirring shaft body 2 is provided with a plug screw blade 9, and an internal cavity 10 is arranged in the plug screw blade 9, and the internal cavity 10 is communicated with the first cavity of the stirring shaft body 2. The lower end face of the plug flow helical blade 9 is provided with an air outlet hole 11 communicated with the inner cavity 10, and each plug flow helical blade 9 is uniformly provided with three air outlet holes 11. The driving motor 1 is in transmission connection with the upper end of the stirring shaft body 2 through a coupler.
Be equipped with hollow sleeve 4 at 2 overcoat of stirring axis body, this telescopic upper end and lower extreme all are connected with stirring axis body 2 through sealed bearing 5, make stirring axis body 2 remain sealed throughout between rotatory in-process stirring axis body 2 and hollow sleeve 4. A second cavity is formed in the hollow sleeve 4, and the first through hole 3 in the side face of the stirring shaft body 2 is located in the second cavity. And a second through hole 6 communicated with the second cavity inside is further formed in the side face of the hollow sleeve 4, and the second through hole 6 is connected with an external air supply device 8 through an air inlet pipe 7. The air supply device 8 may be an air pump. Air is conveyed into the second cavity of the hollow sleeve 4 through the air pump through the air inlet pipe 7 and the second through hole 6, then enters the first cavity of the stirring shaft body 2 through the first through hole 3, then enters the inner cavity 10 of the plug-flow spiral blade 9, and finally is discharged through the air outlet hole 11 of the plug-flow spiral blade 9.
This aeration agitating unit for sewage treatment installs on flotation tank 12, offers on flotation tank 12 to supply stirring axis body 2 to extend the trompil in the water body. A support frame 13 is fixedly mounted on the buoyancy tank 12. A rotary table 14 is rotatably mounted on the front side of the support frame 13, and the rotary table 14 is rotatable about its axis in a vertical plane. The driving motor 1 is fixedly installed on the front end surface of the rotating platform 14, and the driving shaft of the driving motor 1 is parallel to the rotating platform 14. A driven wheel 16 is coaxially and fixedly mounted on the rear end surface of the rotary table 14. A servo motor 15 is also fixedly arranged on the buoyancy tank 12, a driving wheel 17 is connected with the servo motor 15 in a transmission way, and the driving wheel 17 is connected with a driven wheel 16 in a transmission way. The servo motor 15 can drive the driving wheel 17 to alternatively rotate clockwise and counterclockwise, and further drive the driven wheel 16 to alternatively rotate counterclockwise and clockwise, so as to drive the rotating platform 14 to rotate, and the stirring shaft body 2 can swing back and forth in the vertical plane.
A lithium battery pack is provided in the float chamber 12, and supplies power to the drive motor 1, the servo motor 15, and the air pump.
Driving motor 1 drives the stirring axis body 2 rotatory, it is rotatory to drive to push away class helical blade 9, push away class stirring to the water, the air pump passes through intake pipe 7 to 4 air supplies of hollow sleeve simultaneously, get into by the first cavity in the stirring axis body 2 again and push away in class helical blade 9's the inside cavity 10, arrange to the water by venthole 11 at last, produce the bubble in the water, the rivers that the bubble produced along with pushing away class helical blade 9 flow, thereby to removing in the water, the residence time of bubble in the water has been increased, the solubility of aquatic oxygen has been improved, the aeration quality has been guaranteed.
Therefore, the utility model can supply air and oxygenate the water body while stirring the water body, and has simple installation and low equipment cost.
In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (5)
1. The utility model provides an aeration agitating unit for sewage treatment which characterized in that: comprises an aeration stirring shaft extending into the water body and a driving motor (1) driving the aeration stirring shaft to rotate,
the aeration stirring shaft comprises a hollow stirring shaft body (2), a first through hole (3) communicated with an inner cavity is formed in the hollow stirring shaft body, the stirring shaft body (2) is in transmission connection with the driving motor (1), a hollow sleeve (4) is sleeved outside the stirring shaft body (2) in a sealing manner, the hollow sleeve (4) is connected with the stirring shaft body (2) through a sealing bearing (5), a second through hole (6) communicated with the inner cavity of the hollow sleeve (4) is formed in the hollow sleeve (4), and the second through hole (6) is communicated with an external air supply device (8) through an air inlet pipe (7),
the lower extreme of stirring axis body (2) is provided with plug screw blade (9), plug screw blade (9) inside offer with cavity (10) of stirring axis body (2) inside cavity intercommunication, plug screw blade (9) are seted up towards plug flow direction one side and are offered venthole (11) with cavity (10) intercommunication.
2. An aeration stirring device for sewage treatment according to claim 1, characterized in that: the driving motor (1) is arranged on the floating box (12), and the floating box (12) is provided with a hole for the stirring shaft body (2) to extend into the water body.
3. An aeration stirring device for sewage treatment according to claim 2, characterized in that: still be provided with on flotation tank (12) and be used for driving aeration agitating unit reciprocating swing's swing mechanism in vertical plane, swing mechanism is including setting up support frame (13) on flotation tank (12), rotating revolving stage (14) of installing on support frame (13) and driving the rotatory drive arrangement of revolving stage (14), driving motor (1) fixed mounting is on revolving stage (14).
4. An aeration stirring device for sewage treatment according to claim 3, characterized in that: drive arrangement including fixed set up in servo motor (15) on flotation tank (12), servo motor (15) transmission is connected with action wheel (17), coaxial fixed mounting has from driving wheel (16) on revolving stage (14), action wheel (17) with from driving wheel (16) transmission is connected.
5. An aeration stirring device for sewage treatment according to claim 1, characterized in that: the plug flow helical blade (9) is uniformly provided with at least three air outlet holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961219.2U CN211419745U (en) | 2019-11-14 | 2019-11-14 | Aeration agitating unit for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961219.2U CN211419745U (en) | 2019-11-14 | 2019-11-14 | Aeration agitating unit for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211419745U true CN211419745U (en) | 2020-09-04 |
Family
ID=72250300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961219.2U Active CN211419745U (en) | 2019-11-14 | 2019-11-14 | Aeration agitating unit for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211419745U (en) |
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2019
- 2019-11-14 CN CN201921961219.2U patent/CN211419745U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An aeration and stirring device for sewage treatment Granted publication date: 20200904 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING AUTO PURIFYING ENGINEERING Co.,Ltd. Registration number: Y2024980005502 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |