CN111439827A - Liftable automatic rotary aerator - Google Patents
Liftable automatic rotary aerator Download PDFInfo
- Publication number
- CN111439827A CN111439827A CN202010456102.XA CN202010456102A CN111439827A CN 111439827 A CN111439827 A CN 111439827A CN 202010456102 A CN202010456102 A CN 202010456102A CN 111439827 A CN111439827 A CN 111439827A
- Authority
- CN
- China
- Prior art keywords
- air outlet
- outlet channel
- barrel
- pipe
- channel
- 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.)
- Pending
Links
- 238000005276 aerator Methods 0.000 title claims abstract description 18
- 238000005273 aeration Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 14
- 239000010865 sewage Substances 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 22
- 239000002351 wastewater Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a liftable automatic rotary aerator which comprises a barrel, an air inlet pipe arranged at the lower part of the barrel and a rotational flow plate arranged in the barrel, wherein the top end of the barrel is rotatably connected with an air outlet channel, and an included angle is formed between the air outlet direction of the air outlet channel and the radial direction of the barrel in the horizontal direction. The air outlet channel in this application rotates with the barrel to be connected, and the radial contained angle that is equipped with of air outlet channel's the direction of giving vent to anger and barrel on the horizontal direction for the reaction force that the aeration produced can promote air outlet channel and use the axis of barrel to rotate as the axle, thereby has enlarged the area that the aeration covered, and air outlet channel pivoted in-process can cause the disturbance to sewage on every side, further promotes the mixture of sewage and gas, improves the effect of gas-liquid mixture.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a liftable automatic rotary aerator.
Background
The rotary aerator is widely used in sewage treatment by biological treatment, and transfers oxygen in a gas phase to a liquid phase by using the principle of aeration diffusion, namely, the oxygen in the gas phase is transferred to dissolved oxygen in the liquid phase, thereby being beneficial to the oxidative decomposition of impurities in the sewage. The gas is dispersed by the aerator, so that the contact area of the gas and the sewage is increased, but the aeration port of the conventional rotary aerator is relatively fixed, the aeration coverage area is small, the aeration coverage area needs to be increased by increasing the number of the aerator, and the cost is relatively high.
Disclosure of Invention
The invention aims to provide a liftable automatic rotary aerator, which solves the problems that an aeration port of the conventional rotary aerator is relatively fixed and the aeration coverage area is small.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a liftable formula autogiration aeration machine, includes the barrel, sets up intake pipe and the whirl board of setting in the barrel lower part, the barrel top is rotated and is connected with air outlet channel, air outlet channel's the direction of giving vent to anger is equipped with the contained angle with the radial in the horizontal direction of barrel.
Preferably, the cylinder and the air outlet channel are connected through a bearing.
Preferably, the bottom end of the cylinder body is provided with a material collecting hopper, and the diameter of the material collecting hopper is gradually reduced along the material moving direction.
Preferably, the air outlet channel is U-shaped, one end of the air outlet channel is rotatably connected to the top end of the cylinder body, the other end of the air outlet channel is bent downwards, and an air outlet of the air outlet channel is formed in the side wall of the air outlet channel.
Preferably, the air outlet channel comprises a main air outlet pipe with one end rotatably connected to the top end of the cylinder body, the other end of the main air outlet pipe is fixedly connected with an outgoing air pipe, and the outgoing air pipe is provided with the air outlet channel.
Preferably, the air outlet pipe comprises a fixed pipe, one end of the fixed pipe is fixed on the main air outlet pipe, the other end of the fixed pipe is rotatably connected with a rotating pipe, and an air outlet channel is formed in the rotating pipe.
Preferably, the rotational flow plate is rotatably arranged on the inner wall of the cylinder; the cyclone plate is provided with a cyclone channel, and the setting direction of the cyclone channel gradually inclines towards the clockwise direction or the anticlockwise direction along the moving direction of the materials.
Preferably, the swirl plate comprises an inner ring, an outer ring rotatably mounted on the inner wall of the cylinder and swirl blades connected between the inner ring and the outer ring, and the swirl blades, the inner ring and/or the outer ring enclose a swirl channel.
Preferably, a cutting block is arranged on the lower surface of the swirl vane, and the width of one side of the cutting block for cutting the material is gradually reduced along the moving direction of the cutting block.
Compared with the prior art, the invention has the beneficial effects of at least one of the following:
the air outlet channel in this embodiment rotates with the barrel to be connected, and the radial contained angle that is equipped with of air outlet channel's the direction of giving vent to anger and barrel is on the horizontal direction for the reaction force that the aeration produced can promote air outlet channel and use the axis of barrel to rotate as the axle, thereby has enlarged the area that the aeration covered, and air outlet channel pivoted in-process can cause the disturbance to sewage on every side, further promotes the mixing of sewage and gas, improves the effect of gas-liquid mixture.
This application sets up the rotating tube, and the rotating tube can also take place the rotation under the reaction force of aeration when revolving around the expenditure trachea for the gas that exposes to the sun spouts to a plurality of directions, makes mud granule and the relative abundant contact of waste water, reduces the dead angle.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a structure of an outlet channel according to the present invention.
FIG. 3 is a schematic view of a structure of the swirl plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and 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.
This embodiment provides a can promote formula autogiration aeration machine, as shown in fig. 1, including barrel 1, setting in the intake pipe 2 of 1 lower part of barrel and the whirl board 3 of setting in barrel 1, 1 top of barrel is rotated and is connected with outlet channel 4, outlet channel 4's the direction of giving vent to anger and barrel 1 radially are equipped with the contained angle on the horizontal direction.
Air outlet channel 4 in this embodiment rotates with barrel 1 to be connected, and air outlet channel 4's the direction of giving vent to anger and barrel 1 radially be equipped with the contained angle on the horizontal direction for the reaction force that the aeration produced can promote air outlet channel 4 and use the axis of barrel 1 to rotate as the axle, thereby enlarged the area that the aeration covered, and air outlet channel 4 pivoted in-process can cause the disturbance to sewage on every side, further promotes the mixture of sewage and gas, improves the effect of gas-liquid mixture.
In addition, the reaction force generated by aeration can push the air outlet channel 4 to rotate, and no additional power machinery such as a motor and the like is needed, so that the energy consumption is reduced, and the cost is reduced.
The included angle here may be in any plane, including but not limited to horizontal and vertical, and the air outlet channel 4 may have one or more.
When the air outlet channel 4 rotates by means of the reaction force generated by aeration: when one air outlet is arranged in the air outlet channel 4, an included angle is formed between the air outlet direction and the projection of the radial direction of the air outlet channel 4 on the horizontal plane, otherwise, the air outlet channel 4 is difficult to rotate; when the gas outlet has a plurality of, when the direction of giving vent to anger has a plurality ofly, waste water leaves a plurality of gas outlets and produces the component of reaction force on the horizontal plane and should not offset each other, otherwise air outlet channel 4 is difficult to rotate.
In the embodiment, the cylinder body 1 and the air outlet channel 4 can be connected through the bearing 5, and the cylinder body 1 and the air outlet channel 4 are connected through the bearing 5, so that the structure is simple, and the use is convenient. When the bearing 5 is selected, the bearing 5 with the sealing effect can be selected, and the frequency of replacing the bearing 5 is reduced
The bottom end of the cylinder 1 in this embodiment may be provided with a collecting hopper 6, and the diameter of the collecting hopper 6 gradually decreases along the material moving direction.
Intake pipe 2 in this embodiment can be connected with gas compression equipment to can be provided with flow control device, like the valve, the aeration machine normal during operation, 2 air-out of intake pipe can produce the negative pressure on every side when gaseous, inhales waste water, and 1 bottoms of barrel sets up collecting hopper 6, is favorable to the absorption of waste water, makes waste water and gas carry out preliminary mixing. The mixture of the waste water and the gas, which is formed by the preliminary mixing, passes through the swirl plate 3 in stages for further mixing and then exits from the gas passage.
In this embodiment, the air outlet channel 4 may be U-shaped, one end of which is rotatably connected to the top end of the barrel 1, the other end of which is bent downward, and the air outlet of the air outlet channel 4 is arranged on the side wall of the air outlet channel 4.
The air outlet channel 4 in this embodiment includes a main air outlet pipe 41 with one end rotatably connected to the top end of the cylinder 1, the other end of the main air outlet pipe 41 is fixedly connected to an air outlet pipe 42, and the air outlet pipe 42 is provided with an air outlet, as shown in fig. 2.
The outlet gas channel 4 in this embodiment may be horizontally disposed, or may be disposed to be inclined downward or upward, and the farther the distance between the end of the outlet gas pipe 42 and the main outlet gas pipe 41 is, the larger the area covered by aeration is, but under the condition that the inlet gas pressure of the inlet gas pipe 2 is the same, the farther the distance between the end of the outlet gas pipe and the main outlet gas pipe 41 is, the smaller the angular velocity of rotation thereof is, so that the direction and length of the outlet gas pipe 42 may be selected according to actual needs.
In order to make the area covered by aeration relatively large, the outlet channel 4 should be arranged on the outlet pipe 42, and the main outlet pipe 41 may be provided with or without an outlet according to the requirement.
The branch air pipe 42 in this embodiment may include a fixed pipe 422 having one end fixed to the main air outlet pipe 41, the other end of the fixed pipe 422 is rotatably connected to a rotating pipe 421, and an air outlet is disposed on the rotating pipe 421.
In actual operation, the rotating pipe 421 can rotate under the reaction force of aeration while revolving around the outlet air pipe 42, so that the exposed gas is sprayed to multiple directions, sludge particles and wastewater are in relatively sufficient contact, and dead angles are reduced.
The air outlet in this embodiment may be a hole, and a pipeline may also be installed on the air outlet, and may be specifically set as required.
The rotational flow plate 3 in the embodiment can be rotatably arranged on the inner wall of the cylinder 1; the swirl plate 3 is provided with a swirl channel, and the setting direction of the swirl channel gradually inclines towards the clockwise direction or the anticlockwise direction along the moving direction of the materials.
When the material passes through whirl passageway, can give 3 clockwise or anticlockwise thrusts of whirl boards for whirl board 3 takes place to rotate, produces the effect of cutting and stirring to gas, promotes the gas-liquid mixture.
The swirl plate 3 in this embodiment may be as shown in fig. 3, and includes an inner ring 31, an outer ring 32 rotatably mounted on the inner wall of the barrel 1, and swirl blades 33 connected between the inner ring 31 and the outer ring 32, where the swirl blades 33, the inner ring 31, and/or the outer ring 32 surround a swirl channel.
In a certain range, the more the number of the swirl blades 33 is, the more densely the material is cut, and the more sufficiently the gas-liquid mixture is, but the number of the swirl blades 33 is too large, and the resistance to the material passing through is relatively large, so that the specific arrangement of the swirl blades 33 is determined according to the working condition.
The lower surface of the swirl vane 33 in this embodiment may be provided with a cutting block 331, and a width of one side of the cutting block 331 for cutting the material is gradually reduced along a moving direction of the cutting block 331.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a liftable autogiration aeration machine, includes barrel (1), sets up intake pipe (2) and the whirl board (3) of setting in barrel (1) lower part, its characterized in that: the top end of the cylinder body (1) is rotatably connected with an air outlet channel (4), and an included angle is formed between the air outlet direction of the air outlet channel (4) and the radial direction of the cylinder body (1) in the horizontal direction.
2. The liftable automatic rotary aerator of claim 1, wherein the cylinder (1) and the air outlet channel (4) are connected by a bearing (5).
3. The liftable automatic rotary aerator of claim 1, characterized in that the bottom end of the cylinder (1) is provided with a collection hopper (6), and the collection hopper (6) is gradually reduced in diameter in the direction of movement of the material.
4. The liftable automatic rotary aerator according to claim 1, wherein the air outlet channel (4) is U-shaped, one end of the air outlet channel is rotatably connected to the top end of the cylinder (1), the other end of the air outlet channel is bent downwards, and the air outlet of the air outlet channel (4) is arranged on the side wall of the air outlet channel (4).
5. The liftable automatic rotary aerator according to claim 1, wherein the air outlet channel (4) comprises a main air outlet pipe (41) with one end rotatably connected to the top end of the cylinder (1), and an air outlet pipe (42) is fixedly connected to the other end of the main air outlet pipe (41), and the air outlet channel (4) is arranged on the air outlet pipe (42).
6. The liftable automatic rotary aerator according to claim 5, wherein the air outlet pipe (42) comprises a fixed pipe (422) with one end fixed on the main air outlet pipe (41), the other end of the fixed pipe (422) is rotatably connected with a rotating pipe (421), and the rotating pipe (421) is provided with an air outlet channel (4).
7. The liftable automatic rotary aerator of claim 1, wherein the cyclone plate (3) is rotatably mounted on the inner wall of the cylinder (1); the cyclone plate (3) is provided with a cyclone channel, and the setting direction of the cyclone channel is gradually inclined towards the clockwise or anticlockwise direction along the moving direction of the materials.
8. The liftable automatic rotary aerator of claim 1, wherein the cyclone plate (3) comprises an inner ring (31), an outer ring (32) rotatably mounted on the inner wall of the tank (1), and cyclone blades (33) connected between the inner ring (31) and the outer ring (32), the cyclone blades (33), the inner ring (31) and/or the outer ring (32) enclosing a cyclone channel.
9. The liftable automatic rotary aerator of claim 8, wherein the lower surface of the cyclone blade (33) is provided with a cutting block (331), and the width of one side of the cutting block (331) for cutting the material is gradually reduced in the direction in which the cutting block (331) moves.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010456102.XA CN111439827A (en) | 2020-05-26 | 2020-05-26 | Liftable automatic rotary aerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010456102.XA CN111439827A (en) | 2020-05-26 | 2020-05-26 | Liftable automatic rotary aerator |
Publications (1)
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CN111439827A true CN111439827A (en) | 2020-07-24 |
Family
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Family Applications (1)
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CN202010456102.XA Pending CN111439827A (en) | 2020-05-26 | 2020-05-26 | Liftable automatic rotary aerator |
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CN (1) | CN111439827A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112049187A (en) * | 2020-09-14 | 2020-12-08 | 中国人民解放军31666部队 | High-cold area well water anti-freezing device utilizing high-pressure gas interference |
CN114275913A (en) * | 2021-12-28 | 2022-04-05 | 宜兴市惠众环保设备有限公司 | Low-power-consumption aeration oxygenation device for integrated sewage treatment |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969446A (en) * | 1974-06-03 | 1976-07-13 | Franklin Jr Grover C | Apparatus and method for aerating liquids |
JPH03165899A (en) * | 1989-11-25 | 1991-07-17 | Hitachi Kiden Kogyo Ltd | Agitated aerator |
CN2317020Y (en) * | 1997-05-31 | 1999-05-05 | 天骏(福州)机械工程有限公司 | Rotary automatic cleaning device for water tank |
KR20060103985A (en) * | 2005-03-29 | 2006-10-09 | 주식회사 대우일렉트로닉스 | Apparatus for spraying water in a dishwasher |
JP2011098256A (en) * | 2009-11-04 | 2011-05-19 | Japan Water Agency | Submerged combined aerator |
CN102502979A (en) * | 2011-11-11 | 2012-06-20 | 扬州大学 | Volute hydraulic rotational plug flow aerator |
CN202610040U (en) * | 2012-02-20 | 2012-12-19 | 山东润泽制药有限公司 | Efficient swirl aerator |
CN105502634A (en) * | 2016-01-07 | 2016-04-20 | 绍兴广润数码科技有限公司 | Aerator |
CN206692350U (en) * | 2017-04-11 | 2017-12-01 | 山东利源海达环境工程有限公司 | Hoisting type jetstream whirl combines aerator |
CN107892383A (en) * | 2017-12-19 | 2018-04-10 | 李心菊 | A kind of aerator for sanitary sewage disposal |
CN209759128U (en) * | 2018-11-16 | 2019-12-10 | 苏州硕亚环保科技有限公司 | Submerged aerator with high bubble amount |
CN210103571U (en) * | 2019-04-02 | 2020-02-21 | 泉州市百川环保工程有限公司 | Jet aeration device applied to landfill leachate treatment |
CN212246386U (en) * | 2020-05-26 | 2020-12-29 | 四川理工技师学院 | Liftable automatic rotary aerator |
-
2020
- 2020-05-26 CN CN202010456102.XA patent/CN111439827A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969446A (en) * | 1974-06-03 | 1976-07-13 | Franklin Jr Grover C | Apparatus and method for aerating liquids |
JPH03165899A (en) * | 1989-11-25 | 1991-07-17 | Hitachi Kiden Kogyo Ltd | Agitated aerator |
CN2317020Y (en) * | 1997-05-31 | 1999-05-05 | 天骏(福州)机械工程有限公司 | Rotary automatic cleaning device for water tank |
KR20060103985A (en) * | 2005-03-29 | 2006-10-09 | 주식회사 대우일렉트로닉스 | Apparatus for spraying water in a dishwasher |
JP2011098256A (en) * | 2009-11-04 | 2011-05-19 | Japan Water Agency | Submerged combined aerator |
CN102502979A (en) * | 2011-11-11 | 2012-06-20 | 扬州大学 | Volute hydraulic rotational plug flow aerator |
CN202610040U (en) * | 2012-02-20 | 2012-12-19 | 山东润泽制药有限公司 | Efficient swirl aerator |
CN105502634A (en) * | 2016-01-07 | 2016-04-20 | 绍兴广润数码科技有限公司 | Aerator |
CN206692350U (en) * | 2017-04-11 | 2017-12-01 | 山东利源海达环境工程有限公司 | Hoisting type jetstream whirl combines aerator |
CN107892383A (en) * | 2017-12-19 | 2018-04-10 | 李心菊 | A kind of aerator for sanitary sewage disposal |
CN209759128U (en) * | 2018-11-16 | 2019-12-10 | 苏州硕亚环保科技有限公司 | Submerged aerator with high bubble amount |
CN210103571U (en) * | 2019-04-02 | 2020-02-21 | 泉州市百川环保工程有限公司 | Jet aeration device applied to landfill leachate treatment |
CN212246386U (en) * | 2020-05-26 | 2020-12-29 | 四川理工技师学院 | Liftable automatic rotary aerator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112049187A (en) * | 2020-09-14 | 2020-12-08 | 中国人民解放军31666部队 | High-cold area well water anti-freezing device utilizing high-pressure gas interference |
CN114275913A (en) * | 2021-12-28 | 2022-04-05 | 宜兴市惠众环保设备有限公司 | Low-power-consumption aeration oxygenation device for integrated sewage treatment |
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