CN210030194U - Jet stirring aeration device - Google Patents
Jet stirring aeration device Download PDFInfo
- Publication number
- CN210030194U CN210030194U CN201920655055.4U CN201920655055U CN210030194U CN 210030194 U CN210030194 U CN 210030194U CN 201920655055 U CN201920655055 U CN 201920655055U CN 210030194 U CN210030194 U CN 210030194U
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- CN
- China
- Prior art keywords
- sewage
- aeration
- mixing
- air
- jet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 72
- 238000003756 stirring Methods 0.000 title claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 61
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 1
- 239000010815 organic waste Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 239000013049 sediment Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding 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)
Abstract
The utility model discloses a jet stirring aeration equipment belongs to sewage treatment device technical field. Comprises a sewage injection pipe, a mixing and distributing chamber, an air inlet regulating valve, an air flow meter, an air suction pipe, an injection device and an aeration tank. Sewage is sprayed out from the sewage injection pipe at a high speed, under the suction action of the jet flow, the sewage forms negative pressure in the injection device, air enters the mixing and distributing chamber through the air suction pipe, is wound and sheared through the jet flow, is crushed into bubbles and is uniformly distributed in the sewage, and the gas-containing sewage is sprayed to the bottom pool wall of the aeration pool through the injection pipe and the injection device in a way of being obliquely downward to complete the sewage aeration and stirring process. The utility model discloses when handling organic waste water, carry out the aeration to waste water for increase dissolved oxygen, thereby improve waste water treatment efficiency.
Description
Technical Field
The utility model relates to an aeration equipment especially relates to a jet mixing aeration equipment.
Background
Aeration refers to the process of forcibly transferring oxygen in the air into the liquid in order to obtain sufficient dissolved oxygen. In addition, the aeration also can prevent the suspension in the tank from sinking and strengthen the contact of the organic matters in the tank with microorganisms and dissolved oxygen. Thereby ensuring the oxidative decomposition of the organic matters in the sewage by the microorganisms in the tank under the condition of sufficient dissolved oxygen.
The aeration tank is a biochemical reactor designed according to the characteristics of microorganisms, and the degradation degree of organic pollutants mainly depends on the designed aeration reaction conditions.
The aeration tank utilizes an activated sludge process to treat sewage, and certain sewage retention time is provided in the tank to meet the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge. The aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The tank body is generally made of reinforced concrete, and the planar shape of the tank body is rectangular, square, circular and the like.
The traditional aeration method of the aeration tank can be divided into two types, mainly comprising blast aeration and mechanical aeration, and has the defects of high energy consumption, high noise, insufficient aeration, insufficient stirring reaction of materials, dead aeration angle and the like due to the shape of the aeration tank and the principle of the aeration tank.
SUMMERY OF THE UTILITY MODEL
Technical demand more than to prior art, the utility model aims to provide a spray stirring aeration equipment, with the aeration tank in sewage through centrifugal sediment stuff pump suction pump intracavity after, through pump impeller's intensive mixing back, the pump goes into to lay in the injection equipment in the pond. The jet device utilizes the Venturi tube principle to fully mix the sewage with the air sucked into the jet device and then jet the sewage to the pool wall, thereby carrying out forced aeration. The bottom of the aeration tank is provided with a slope, so that sludge in the sewage can flow to the suction inlet of the pump under the action of gravity.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a jet stirring aeration device is characterized by comprising a sewage jet pipe, a mixing and distributing chamber, an air inlet regulating valve, an air flow meter, an air suction pipe, a jet device and an aeration tank;
the sewage injection pipe is used for absorbing sewage in the aeration tank;
the mixing and distributing chamber is arranged at the lower end of the sewage injection pipe, the periphery of the mixing and distributing chamber is connected with the injection devices, and the mixing and distributing chamber is used for distributing the sewage in the sewage injection pipe to each injection device;
the air inlet regulating valve and the air flow meter are arranged at the air inlet and used for metering and regulating the aeration size;
the air suction pipe is connected with the mixing and distributing chamber and is used for sucking air to supply to the mixing and distributing chamber;
the spraying device is of a Venturi tube structure, and sewage is fully mixed with air sucked into the spraying device by utilizing the Venturi tube principle and then sprayed to the wall of the pool for forced aeration;
the aeration tank is used for containing sewage.
Furthermore, the nozzle of the spraying device is made of ceramic materials, so that the spraying device is good in wear resistance and corrosion resistance.
Furthermore, the air inlet adjusting valve adopts an angle variable travel switch to control the opening degree, so as to adjust the air inlet amount. The air input quantity can be adjusted in advance or on line according to the indexes of the sewage, such as COD, BOD and the like.
Furthermore, the air suction pipe is made of high-density polyethylene materials, the inner wall of the air suction pipe is smooth, smooth air inlet can be guaranteed, and the service life of the air suction pipe in a humid and dirty environment can be prolonged.
The working principle of the utility model is as follows:
after the sewage enters the aeration tank, the sewage meets the bubbles generated by the injection device to realize aeration, and the sewage which does not reach the aeration enters the circulating slurry pump through the water suction pipe of the slurry pump in the aeration tank. The sewage aeration stirring device comprises a circulating pump, a mixing distribution chamber, a sewage injection pipe, a nozzle, a mixing distribution chamber, a spraying pipe, a stirring pipe and a stirring pipe. The sewage which is not fully aerated enters a circulating pump through a circulating slurry pump opening arranged at the bottom of the tank, and after pressurization, stirring aeration is realized through the injection device again, and the steps are repeated until the final aeration is finished, so that the sewage is fully aerated.
The bottom of the aeration tank is provided with a slope in advance, so that sludge and other sediments in the aeration tank flow to the water suction port, and the complete circular aeration of materials in the tank is ensured without dead angles.
An air inlet is provided with an air inlet regulating valve and an air flow meter for metering and conditioning the aeration.
Because the technical scheme above has been adopted, the utility model discloses the beneficial technological effect who has as follows:
a) the utility model uses the injection device to aerate the wastewater to increase the dissolved oxygen, thereby improving the wastewater treatment efficiency;
b) the utility model has simple and compact structure and high aeration rate.
Drawings
FIG. 1 is a schematic view of the structure of a jet stirring aeration apparatus of the present invention;
fig. 2 is a working principle diagram of the present invention.
In fig. 1: 1-sewage injection pipe, 2-mixing distribution chamber, 3-air inlet regulating valve, 4-air flow meter, 5-air suction pipe, 6-injection device and 7-aeration tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The preferred embodiment of the spraying stirring aeration device of the utility model is shown in figure 1, and comprises a sewage spraying pipe 1, a mixing and distributing chamber 2, an air inlet adjusting valve 3, an air flow meter 4, an air suction pipe 5, a spraying device 6 and an aeration tank 7;
the sewage injection pipe 1 is used for absorbing sewage in the aeration tank 7;
the mixing and distributing chamber 2 is arranged at the lower end of the sewage injection pipe 1, the periphery of the mixing and distributing chamber 2 is connected with the injection devices 6, and the mixing and distributing chamber 2 is used for distributing the sewage in the sewage injection pipe 1 to each injection device 6;
the air inlet adjusting valve 3 and the air flow meter 4 are arranged at an air inlet and used for metering and adjusting the aeration size; furthermore, the air inlet adjusting valve 3 adopts an angle variable travel switch to control the opening degree, so as to adjust the size of air inlet amount. The air input quantity can be adjusted in advance or on line according to the indexes of the sewage, such as COD, BOD and the like.
The air suction pipe 5 is connected to the mixing and distributing chamber 2 to suck air to be supplied to the mixing and distributing chamber 2. Furthermore, the air suction pipe is made of high-density polyethylene materials, the inner wall of the air suction pipe is smooth, smooth air inlet can be guaranteed, and the service life of the air suction pipe in a humid and dirty environment can be prolonged.
The injection device 6 is of a Venturi tube structure, sewage and air sucked into the injection device 6 are fully mixed by utilizing the Venturi tube principle and then are sprayed to the wall of the pool, forced aeration is carried out, and furthermore, a nozzle of the injection device 6 is made of ceramic materials with good wear resistance and corrosion resistance.
The aeration tank 7 is used for containing sewage.
The working principle of this embodiment is shown in fig. 2. After the sewage enters the aeration tank 7, the sewage meets the bubbles generated by the injection device 6 to realize aeration, and the sewage which does not reach the aeration enters the circulating slurry pump through the water suction pipe of the slurry pump in the aeration tank. The sewage is pressurized by a circulating pump and then enters the mixing and distributing chamber 2 of the injection device 6, and is sprayed out from the nozzle of the sewage injection pipe 1 at a high speed, negative pressure is formed in the injection device 6 due to the suction effect of the jet flow in the sewage injection pipe 1, air enters the mixing and distributing chamber 2 through the air suction pipe 5, the air is crushed into bubbles and is uniformly distributed in the sewage through the winding and shearing of the jet flow, and the aerated sewage is sprayed to the bottom pool wall of the aeration pool 7 through the injection pipe and the injection device 6 in an oblique direction, so that the sewage aeration and stirring process is completed. The sewage which is not fully aerated enters a circulating pump through a circulating slurry pump opening arranged at the bottom of the tank, and after pressurization, stirring aeration is realized through the injection device 6 again, and the steps are repeated until the final aeration is finished, so that the sewage is fully aerated.
The bottom of the aeration tank 7 is provided with a slope in advance, so that sludge and other sediments in the aeration tank 7 flow to the water suction port, and the complete circular aeration of materials in the tank is ensured without dead angles.
An air inlet is provided with an air inlet adjusting valve 3 and an air flow meter 4 for metering and conditioning the aeration size.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. A jet stirring aeration device is characterized by comprising a sewage jet pipe (1), a mixing and distributing chamber (2), an air inlet regulating valve (3), an air flow meter (4), an air suction pipe (5), a jet device (6) and an aeration tank (7);
the sewage injection pipe (1) is used for absorbing sewage in the aeration tank (7);
the mixing and distributing chamber (2) is arranged at the lower end of the sewage injection pipe (1), the periphery of the mixing and distributing chamber (2) is connected with the injection devices (6), and the mixing and distributing chamber (2) is used for distributing the sewage in the sewage injection pipe (1) to each injection device (6);
the air inlet adjusting valve (3) and the air flow meter (4) are arranged at an air inlet and used for metering and adjusting the aeration size;
the air suction pipe (5) is connected with the mixing and distributing chamber (2) and is used for sucking air to supply to the mixing and distributing chamber (2);
the injection device (6) is of a Venturi tube structure, and sewage and air sucked into the injection device (6) are fully mixed and then are injected to the wall of the pool by utilizing the Venturi tube principle, so that aeration is forced;
the aeration tank (7) is used for containing sewage.
2. A jet mixing aerator as claimed in claim 1, characterised in that the nozzles of said jet means (6) are of ceramic material.
3. A jet stirring aerator as claimed in claim 1, wherein said air inlet adjusting valve (3) is opened by an angular variable travel switch to adjust the air inlet amount.
4. A jet stirring aerator as claimed in claim 1, wherein said air suction pipes (5) are made of high density polyethylene material and have smooth inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655055.4U CN210030194U (en) | 2019-05-08 | 2019-05-08 | Jet stirring aeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655055.4U CN210030194U (en) | 2019-05-08 | 2019-05-08 | Jet stirring aeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210030194U true CN210030194U (en) | 2020-02-07 |
Family
ID=69364399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920655055.4U Expired - Fee Related CN210030194U (en) | 2019-05-08 | 2019-05-08 | Jet stirring aeration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210030194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582354A (en) * | 2021-07-29 | 2021-11-02 | 华电水务工程有限公司 | High salt waste water softens mud sediment mixing system |
-
2019
- 2019-05-08 CN CN201920655055.4U patent/CN210030194U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582354A (en) * | 2021-07-29 | 2021-11-02 | 华电水务工程有限公司 | High salt waste water softens mud sediment mixing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200403 Address after: 215000 room 1103, building 1, No.41 Jiangpu Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Yongjie Environmental Protection Technology Co.,Ltd. Address before: 063020 No.8, high tech Tsinghua Road, Lubei District, Tangshan City, Hebei Province Patentee before: Wen Yu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |