CN107098486B - Aeration device - Google Patents
Aeration device Download PDFInfo
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- CN107098486B CN107098486B CN201710319938.3A CN201710319938A CN107098486B CN 107098486 B CN107098486 B CN 107098486B CN 201710319938 A CN201710319938 A CN 201710319938A CN 107098486 B CN107098486 B CN 107098486B
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- Prior art keywords
- aeration
- pipe
- device body
- pipe body
- screw rod
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- 238000005273 aeration Methods 0.000 title claims abstract description 105
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000005276 aerator Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
-
- 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
An aeration device. Provides an aeration device with good aeration effect, low energy consumption and long service life. The device comprises a hollow stainless steel device body and an air inlet, wherein the air inlet is formed in the upper portion of one end of the device body, a plurality of rows of aeration holes different in size are formed in the two sides of the device body respectively, and axial gaps are formed below the aeration holes. The aeration holes with different sizes are arranged to disperse bubbles, so that the bubbles are fully mixed with sewage, and the aeration efficiency and effect are improved; the gap is arranged below the sludge discharge device, so that air can be fed, and sludge in the sludge discharge device can be conveniently discharged.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to an aeration device.
Background
Aeration is a process in which air is circulated through a liquid or substance, mixed with the liquid or substance, or dissolved in the liquid or substance. Liquid aeration can be used in a variety of applications, such as wastewater treatment, aerobic biological treatment, bacterial culture in liquids, and the like. An aeration device is indispensable, and an aeration device of current sewage treatment can select the gas pocket size according to actual need, and the general selection gas pocket is little for the area of contact of microbubble and liquid is big, makes the air transfer to aquatic effectively. However, the rising speed of the micro-bubbles in the liquid is quite slow, and the micro-bubbles cannot be fully mixed with the liquid, so that the aeration efficiency is seriously influenced; in addition, the aeration system for providing the micro-bubbles consumes much energy.
Disclosure of Invention
Aiming at the problems, the invention provides an aeration device with good aeration effect, low energy consumption and long service life.
The technical scheme of the invention is as follows: the device comprises a hollow stainless steel device body and an air inlet, wherein the air inlet is formed in the upper portion of one end of the device body, a plurality of rows of aeration holes different in size are formed in the two sides of the device body respectively, and axial gaps are formed below the aeration holes.
The aerator also comprises an aerator pipe movably connected to the aerator hole, and the aerator pipe comprises a pipe body and a spiral sheet positioned in the device body.
The ball bearing is arranged between the tube body of the aeration tube and the aeration hole, the first groove is formed in the outer wall of the tube body, the second groove is formed in the inner wall of the aeration hole, and the ball bearing is matched in the first groove and the second groove.
And a radial bearing is fixed in the aeration hole, and a pipe body of the aeration pipe is fixedly connected in the bearing.
The pipe orifice of the pipe body is connected to the aeration hole, the pipe body is formed by winding a clockwork spring, an adjusting mechanism is arranged at the head end of the clockwork spring roll at the inner side, the adjusting mechanism comprises a D-shaped hoop and a screw rod connected in the hoop, the hoop and the head end of the clockwork spring form a channel for the tail end of the clockwork spring to pass through, the screw rod is inserted at the outer side of the channel and is parallel to the central line of the pipe body, and the tail end of the clockwork spring penetrates through the channel, is positioned between the head end of the clockwork spring and the screw rod and forms the pipe body with the head end;
arc-shaped retaining pieces for fixing the screw rods are arranged at two ends of the channel;
and a third groove matched with the thread on the screw rod is formed in the outer wall of the clockwork spring.
The device body is provided with two layers, and the pipe body is connected to the outer layer aeration hole of the device body and is lapped in the inner layer aeration hole of the device body;
the screw threads of the two rows of aeration holes which are positioned at the two sides of the device body and are positioned at the same height are opposite in direction;
the screw rod is close to the one end at device body center is connected with regulation drive mechanism, it includes worm wheel, connecting rod, gear and actuating lever to adjust drive mechanism, worm wheel and screw rod meshing, the central fixed connection of the worm wheel that is in same height in same row on same root connecting rod, the terminal screw thread opposite direction that is located just two connecting rods of same height of device body both sides and meshes on same gear, the actuating lever is connected at the center of gear, the actuating lever stretches out that the device is originally external.
Each corner on the device body is arc-shaped.
An outer first blocking curtain is arranged above the outer side of the aeration hole, and an outer second blocking curtain is arranged above the outer side of the gap.
An upward-inclined inner baffle I is arranged below the inner side of the aeration hole, and an upward-inclined inner baffle II is arranged below the inner side of the gap.
The beneficial effects of the invention are: aeration holes with different sizes are arranged to disperse bubbles, so that the bubbles are fully mixed with sewage, and the aeration efficiency and effect are improved; the gap is arranged below the device, so that air can be fed, and sludge in the device can be conveniently discharged; the aeration pipe with the spiral plate at the tail part is arranged, and during aeration, the air flow pushes the spiral plate to move, so that the aeration pipe rotates, the path of the air from the air entering the aeration pipe to the air is a curve, the contact time of the air and water is prolonged, and the air dissolution is increased; in addition, the diameter of one end of the aeration pipe is adjustable, so that the size of the air outlet is adjusted to adapt to different use occasions, the aeration pipes at the same height are adjusted by the same transmission mechanism, the time is saved, and the adjustment difficulty is reduced; the aeration holes and the gaps are half holes and half gaps, namely, baffles are reserved so as to reduce the sludge from entering the aeration device.
Drawings
Figure 1 is a schematic structural view of an embodiment of the present invention,
figure 2 is a left side view of figure 1,
figure 3 is a schematic structural view of an aeration pipe in the invention,
figure 4 is a right side view of figure 3,
FIG. 5 is a schematic view of the connection structure of the adjusting transmission mechanism and the aeration pipe according to the present invention;
in the figure, 1 is a device body, 11 is an aeration hole, 12 is a slit, 2 is an air inlet, 3 is an aeration pipe, 31 is a pipe body, 32 is a spiral sheet, 41 is a hoop, 42 is a screw rod, 51 is a worm wheel, 52 is a connecting rod, 53 is a gear, and 54 is a driving rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The vertical position relationship in the present invention is based on fig. 1.
As shown in fig. 1-2, the present invention comprises a hollow stainless steel device body 1 and an air inlet 2, wherein the air inlet 2 is arranged at the upper part of one end of the device body 1, a plurality of rows of aeration holes 11 with different sizes are respectively arranged at two sides of the device body 1, so that bubbles with different sizes can be generated, and the purpose of dispersing the bubbles is achieved, large bubbles generated by large aeration holes are easy to tumble sewage due to large buoyancy, so that the bubbles are convenient to be mixed with the sewage, and the contact area of the small bubbles and the sewage is large, so that air can be effectively transferred into water; the lower part of the aeration hole 11 is provided with an axial (axial of the device body) gap 12, the gap 12 not only can supply air, but also is convenient for discharging silt in the device, thereby avoiding the blockage of an aeration device by the silt, saving the cleaning time and prolonging the service life of the aeration device.
Fig. 3-5 show an embodiment of the present invention, which further comprises an aeration pipe 3 movable on the aeration holes, wherein the aeration pipe 3 comprises a pipe body 31 and a spiral sheet 32 located in the device body, and the air flow pushes the spiral sheet 32 to move during aeration, so that the aeration pipe 3 rotates, the walking path of the air from the air entering the aeration pipe 3 is curved, the contact time of the air and water is increased, and the dissolved amount of the air is increased.
The ball is arranged between the pipe body 31 of the aeration pipe and the aeration hole 11, the outer wall of the pipe body is provided with a first groove, the inner wall of the aeration hole is provided with a second groove, and the ball is matched in the first groove and the second groove to reduce the rotation resistance of the aeration pipe.
Radial bearings are fixed in the aeration holes 11, the pipe body 31 of the aeration pipe is fixedly connected in the bearings, and during aeration, air flow pushes the spiral piece 32 to move so as to drive the aeration pipe 3 and the bearings to rotate.
The pipe orifice of the pipe body 31 is connected to the aeration hole 11, the pipe body 31 is formed by winding a clockwork spring (the pipe orifice is made of rigid material, the main body of the pipe body is formed by winding the clockwork spring, a groove for accommodating and moving the clockwork spring is arranged on the pipe orifice), an adjusting mechanism is arranged at the head end of the clockwork spring roll at the inner side, the adjusting mechanism comprises a D-shaped hoop 41 and a screw rod 42 connected in the hoop, a channel for the tail end of the clockwork spring to pass through is formed by the hoop 41 and the head end of the clockwork spring, the screw rod 42 is inserted at the outer side of the channel and is parallel to the central line of the pipe body 31, and the tail end of the clockwork spring passes through the channel and is positioned between the head end of the clockwork spring and the screw rod 42 to form the pipe body 31 with the head end; the central line of the screw rod 42 is vertical to the passing direction of the tail end of the spring.
Arc-shaped blocking pieces (not shown in the figures) for fixing the screw rod 42 are arranged at two ends of the channel, threads are arranged in the middle of the screw rod 42, annular bulges are respectively arranged at two sides of each thread, and the two arc-shaped blocking pieces are clamped between the two annular bulges, so that the screw rod only rotates and cannot move;
the outer wall of the pipe body 31 is provided with a third groove matched with the middle thread on the screw rod, and the screw rod 42 is rotated, so that the thread clamped in the groove drives the clockwork spring to wind or loosen, thereby achieving the purpose of adjusting the size of the air inlet pipe orifice of the aeration pipe 3 and expanding the application range of the invention.
The device body 1 has two layers, the pipe body 31 is connected to an outer layer aeration hole of the device body and is lapped in an inner layer aeration hole of the device body, and the screw rod 42 is positioned between the two layers;
the screw threads of the corresponding screw rods 42 on the two rows of aeration holes which are positioned at the two sides of the device body 1 and have the same height are opposite in direction; the screw rod 42 is close to the one end at device body center is connected with regulation drive mechanism, it includes worm wheel 51, connecting rod 52, gear 53 and actuating lever 54 to adjust drive mechanism, the thread engagement on worm wheel 51 and the end of screw rod 42, the center fixed connection of the worm wheel 51 of same row and at the same height is on same root connecting rod 52, the end of connecting rod 52 is equipped with the screw thread, and the screw thread opposite direction that is located the device body both sides and is in the end of two connecting rods 52 of same height, and the meshing is on same gear 53, actuating lever 54 is connected at the center of gear 53, actuating lever 54 stretches out outside the device body. The driving rod 54 is rotated manually or electrically, the gear 53 is also rotated, the connecting rods 52 engaged with the two sides of the gear 53 are rotated in opposite directions, the rotating connecting rods 52 drive the worm gears 51 fixedly connected with the rotating connecting rods to rotate, and then the worm gears 51 drive the screw rods 42 to rotate, so that the sizes of the air inlet pipe orifices of the aeration pipes 3 are adjusted. After the adjustment is completed, the driving rod 54 extending out of the device body 1 is fixed by a nut. The structure can realize the adjustment of the aeration pipes 3 with the same height on both sides of the device body 1 only by adjusting the driving rod, thereby saving time and being convenient for operation. The aeration pipes with different heights can be adjusted to be the same or different in size.
Each corner is the arc on the device body 1, avoids giving vent to anger and desilt dead angle.
And a first outer baffle curtain which inclines downwards (namely towards the direction of the gap) is arranged above the outer side of the aeration hole, and a second outer baffle curtain which inclines downwards is arranged above the outer side of the gap, so that sludge is prevented from entering the aeration device from the upper parts of the aeration hole and the gap.
An upwards inclined inner baffle I is arranged below the inner side of the aeration hole, and an upwards inclined inner baffle II is arranged below the inner side of the gap, so that the effect of reducing sludge entering an aeration device is also achieved.
When the aeration device is used, the size of an air inlet pipe opening of the aeration pipe is adjusted according to occasion requirements, then the aeration pipe is placed at the bottom of the aeration tank, the aeration holes are arranged above the aeration holes, the gaps are arranged below the aeration holes, the air inlet is communicated with the air inlet pipe, after air is blown in, an air cavity is formed at the top in the aeration device, and the air is pressed out of the aeration holes and the gaps, so that the aeration purpose is achieved.
Claims (6)
1. An aeration device comprises a hollow stainless steel device body and an air inlet, wherein the air inlet is arranged at the upper part of one end of the device body;
the aerator is movably connected to the aeration hole and comprises a pipe body and a spiral sheet positioned in the device body;
balls are arranged between a pipe body of the aeration pipe and the aeration hole, a first groove is formed in the outer wall of the pipe body, a second groove is formed in the inner wall of the aeration hole, and the balls are matched in the first groove and the second groove;
and a radial bearing is fixed in the aeration hole, and a pipe body of the aeration pipe is fixedly connected in the bearing.
2. An aeration apparatus according to claim 1, wherein the pipe end of the pipe body is connected to the aeration hole, the pipe body is formed by winding a spiral spring, the spiral spring is wound at the head end of the inner side and provided with an adjusting mechanism, the adjusting mechanism comprises a D-shaped hoop and a screw rod connected in the hoop, the hoop and the head end of the spiral spring form a channel for the tail end of the spiral spring to pass through, the screw rod is inserted at the outer side of the channel and is parallel to the central line of the pipe body, and the tail end of the spiral spring passes through the channel and is positioned between the head end of the spiral spring and the screw rod to form the pipe body with the head end;
arc-shaped retaining pieces for fixing the screw rods are arranged at two ends of the channel;
and a third groove matched with the thread on the screw is formed in the outer wall of the clockwork spring.
3. An aeration device according to claim 2, wherein the device body has two layers, and the pipe body is connected to the outer aeration hole of the device body and is lapped in the inner aeration hole of the device body;
the screw threads of the two rows of aeration holes which are positioned at the two sides of the device body and are positioned at the same height are opposite in direction;
the screw rod is close to the one end at device body center is connected with regulation drive mechanism, it includes worm wheel, connecting rod, gear and actuating lever to adjust drive mechanism, worm wheel and screw rod meshing, the central fixed connection of same row and the worm wheel that is in same height is on same root connecting rod, and the screw thread opposite direction that is located the device body both sides and is in the end of two connecting rods of same height and meshes on same gear, the actuating lever is connected at the center of gear, the actuating lever stretches out that the device is originally external.
4. An aeration device according to claim 1, wherein each corner of said body is arcuate.
5. An aeration device according to claim 1, wherein a first outer baffle curtain is arranged above the outer side of the aeration hole, and a second outer baffle curtain is arranged above the outer side of the gap.
6. An aeration apparatus according to claim 1, wherein a first inner baffle inclined upward is provided below the inner side of the aeration hole, and a second inner baffle inclined upward is provided below the inner side of the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319938.3A CN107098486B (en) | 2017-05-09 | 2017-05-09 | Aeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319938.3A CN107098486B (en) | 2017-05-09 | 2017-05-09 | Aeration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107098486A CN107098486A (en) | 2017-08-29 |
| CN107098486B true CN107098486B (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319938.3A Active CN107098486B (en) | 2017-05-09 | 2017-05-09 | Aeration device |
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| Country | Link |
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| CN (1) | CN107098486B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651761B (en) * | 2017-10-24 | 2023-10-10 | 上海市政工程设计研究总院（集团）有限公司 | Bottom airway perforation aeration pipe and aeration method thereof |
| CN108002519B (en) * | 2017-10-30 | 2023-11-17 | 上海市政工程设计研究总院（集团）有限公司 | Full-coverage aeration system |
| CN107986463A (en) * | 2017-10-30 | 2018-05-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of spinning boring aeration pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6395175B1 (en) * | 2000-04-03 | 2002-05-28 | Battelle Memorial Institute | Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes |
| JP2007268376A (en) * | 2006-03-30 | 2007-10-18 | Ebara Corp | Apparatus for generating minute gas bubble |
| CN105399200A (en) * | 2015-12-15 | 2016-03-16 | 东南大学 | Molecule-refining oxygen-dissolution aeration device |
| CN205892858U (en) * | 2016-08-08 | 2017-01-18 | 广州中大环境治理工程有限公司 | Pneumatic rotatory aeration equipment of automatically cleaning |
| CN206955770U (en) * | 2017-05-09 | 2018-02-02 | 扬州奇创环保科技有限公司 | Aerator |
-
2017
- 2017-05-09 CN CN201710319938.3A patent/CN107098486B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6395175B1 (en) * | 2000-04-03 | 2002-05-28 | Battelle Memorial Institute | Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes |
| JP2007268376A (en) * | 2006-03-30 | 2007-10-18 | Ebara Corp | Apparatus for generating minute gas bubble |
| CN105399200A (en) * | 2015-12-15 | 2016-03-16 | 东南大学 | Molecule-refining oxygen-dissolution aeration device |
| CN205892858U (en) * | 2016-08-08 | 2017-01-18 | 广州中大环境治理工程有限公司 | Pneumatic rotatory aeration equipment of automatically cleaning |
| CN206955770U (en) * | 2017-05-09 | 2018-02-02 | 扬州奇创环保科技有限公司 | Aerator |
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| Publication number | Publication date |
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| CN107098486A (en) | 2017-08-29 |
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