CN110407311A - A kind of aerator and aeration method - Google Patents
A kind of aerator and aeration method Download PDFInfo
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- CN110407311A CN110407311A CN201910830431.3A CN201910830431A CN110407311A CN 110407311 A CN110407311 A CN 110407311A CN 201910830431 A CN201910830431 A CN 201910830431A CN 110407311 A CN110407311 A CN 110407311A
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- sustained release
- air
- flow
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- gas
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- 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
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- 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
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- 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
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- 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
Abstract
The invention discloses a kind of aerator and aeration method, aerator includes bubble shearing diffuser and air-flow slow release device, air-flow slow release device include installation part, and is fixed on the air-flow sustained release portion of installation part lower end；Air-flow sustained release portion has the first sustained release space and the second sustained release space around the first sustained release space；Installation part is for installing gas-distribution pipe；The venthole of gas-distribution pipe is arranged downward, and the venthole of gas-distribution pipe, the first sustained release space and the second sustained release space are sequentially communicated；There is the first airflow channel for escaping into the second sustained release space from the first sustained release space for air-flow in air-flow sustained release portion, and be sustained the second airflow channel escaped in space from second for air-flow.The present invention designs air-flow slow release device in such a way that gas-distribution pipe nozzle goes out flow downwards for the first time, is not only able to achieve uniform aeration, but also can solve the problem of causing gas distributing network water inlet that aeration is caused to fail to stream out on gas-distribution pipe nozzle.
Description
Technical field
The invention belongs to stain disease aerator technical field more particularly to a kind of aerators and aeration method.
Background technique
Aerator is the necessary equipment for draining aeration aerating, is to improve the active sharp weapon of aerobic microbiological in sewage.In dirt
The quality of the superiority and inferiority of aerator equipment and operating condition in water process directly influences the efficiency and operating cost of sewage treatment,
Even influence the success or failure of entire sewage disposal system operating.
Currently, common aeration process uses micro-hole aerator, micro-hole aerator is opened using the thinking that aperture retains
Aeration is closed, the size of aperture diaphragm opening and closing determines the size of bubble, and bubble is smaller in water, it is bigger with water engaging surface product, it is single
In the volume of position, the efficiency of oxygen transmitting is higher, but aperture long-time opening and closing, and diaphragm fatigue strength increases, inside and outside at opening and closing once to have
Any foreign matter, diaphragm is in tearing state at any time, thus the blocking of aerator critical component, gas distribution drag size and structure are reliably
Technical field develops existing main problem.
Utility model patent (application number: CN201120043063.7；Authorization Notice No.: CN201932953U) disclose rotation
Shearing air bubble aerator is flowed, including air inlet pedestal, check valve, gas distributor, reaction outer cylinder, reaction inner cylinder and shearing bubble expand
Disk is dissipated, check valve is set on air inlet pedestal, connect on one side with air inlet pedestal, and another side is connect with reaction outer cylinder, gas distribution
In check valve and reaction outer cylinder, bottom connect with air inlet pedestal for device setting, and top is connect with bubble diffusion disc is sheared, it is peripheral and
Inner cylinder is reacted in setting between reacting outer cylinder, and there are firsts and seconds eddy flow step, firsts and seconds eddy flow in shearing bubble diffusion pan bottom
It is with teeth on step, to change the thinking of aperture retention.But in Practical Project operation, although this aerator solves portion
The problem of part blocking, cloth atmidometer, but aeration rests gap, and aeration foreign object in pipe enters, and operation is not very stable.Patent of invention
(application number: CN201310581064.0；Authorization Notice No.: CN10353208B) disclose a kind of aerator, including mounting base
Body, mounting body middle part have air inlet cavity, and air inlet cavity bottom has air inlet, has gas outlet at the top of air inlet cavity, into
Air cavity top is equipped with cutting assembly, vibration diaphragm at gas outlet, and gas outlet goes out to be fixed with and vibration diaphragm underside shape phase
Matched support frame is located at the exhaust hole that place below vibration diaphragm sealing has connection air inlet cavity on support frame, vibrates
The positioning region of diaphragm is connected on the support frame.Preferably resolved in this aerator short time in existing aerator foreign matter into
The problem of entering pipeline, but long-play, the aging of rubber vibration diaphragm or saccharification phenomenon, easily cause blockages, make it
Fluctuation of service.Application for a patent for invention (application number: CN201710355313.2；Application publication number: CN106966516A) it is open
A kind of curved surface aerator, including curved discs, are arranged in the rotary cut device below curved discs, the air-flow below rotary cut device are arranged in and disappears
Subtract structure；Rotary cut device and air-flow relief features are fixedly mounted on pedestal, air-water contact cylinder are set on the pedestal, and in song
It is equipped with bubble between face and air-water contact cylinder and cuts structure.The device mainly passes through the complicated air-flow relief features of design, should
With the airflow channel of M shape in air-flow relief features, uniform, stable, sizeable bubble, another party on the one hand can be obtained
Face long-play will not have aerated conduit blocking.
However, above-mentioned aerator is all made of on gas-distribution pipe nozzle to stream is gone out, although aeration structure can stop big air-flow, dispersion
Minute bubbles, but there is the problems such as aeration resistance is larger, and energy consumption is higher, it is often more important that, during aerator and piping network installation
In the presence of construction flaw, pipe network gas outlet is connected loosely with aerator, and aeration pipe network is easy to pour into stain disease, so as to cause pipe network
Gas transmission is uneven, aeration is also uneven, and cost will be promoted；More seriously, in aeration process, there is damage in aerator,
Necessarily cause entire aeration tank out of service, must could be operated normally after replacement, operating cost will greatly promote.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of aerator and aeration method, solve gas distributing network water inlet
The problem of, and bubble distribution is uniform, stablizes, size is suitable, and supply gas pressure is small, and use is safe.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of aerator, including bubble shear diffuser, further include air-flow slow release device；The air-flow slow release device, including installation
Part, and it is fixed on the air-flow sustained release portion of installation part lower end；Air-flow sustained release portion has the first sustained release space and around described
The second sustained release space in the first sustained release space；
The installation part is for installing gas-distribution pipe；The venthole of the gas-distribution pipe is arranged downward, the venthole of the gas-distribution pipe,
One sustained release space and the second sustained release space are sequentially communicated；Have in air-flow sustained release portion and is escaped for air-flow from the first sustained release space
The first airflow channel for being sustained space to second, and the second airflow channel escaped in space is sustained from second for air-flow；
The bubble shearing diffuser includes mounting base, and is symmetricly set on the bubble shearing diffusion disc at mounting base both ends, institute
The lower surface for stating bubble shearing diffusion disc is curved surface, and the curved surface is equipped with multiple bubbles cutting structure and multiple bubbles portal；
The installation part is set to the upper end of the mounting base, and air-flow sustained release portion is set to the lower end of the mounting base.
The present invention designs air-flow slow release device in such a way that gas-distribution pipe nozzle goes out flow downwards for the first time as a result, matches with traditional
It is compared on tracheae nozzle to the aerator for going out stream, Open Side Down for aeration pipe network aerating pipe port, stops accumulation in pipe network when aeration
Certain air pressure, of substantially equal with the hydraulic pressure of aeration tank, the water flow outside aerating pipe port is difficult to enter in pipe network；When aeration, air pressure
Higher than aeration tank hydraulic pressure when, air-flow enters in aerator from aerating pipe port, and water flow cannot be introduced into pipe network；Aerating pipe port downwards may be used
Flow backwards are avoided the problem that well.Also, gas-distribution pipe nozzle is down-set, and aeration distribution mode is dispersion gas distribution, gas distribution
Mode is more reliable.Air-flow through two-stage sustained release cut again, can guarantee be formed by bubble distribution uniformly, stablize, size is suitable, gas supply
Pressure is small, and use is safe.
As a further improvement of the above technical scheme:
As a kind of specific structure in air-flow sustained release portion, air-flow sustained release portion includes top plate, the inner ring for being fixed on top plate lower end
And outer ring, the inner ring and outer rings are arranged concentrically, the bottom end of the inner ring is equipped with bottom plate, and the inner ring, top plate and bottom plate surround
Space form first sustained release space, described the is formed between the endocyclic outer wall, the outer ring inner wall and the top plate
Two sustained release spaces；First airflow channel is opened on lower part and/or the bottom plate of the inner ring；Second airflow channel is opened
Set on the lower part of outer ring.
The first airflow channel in the inner ring is multiple first seam along inner ring circumferential direction arrangement；Described first
The side of seam deflects clockwise or counterclockwise, so that flow direction when air-flow is by first seam is parallel to the tangent to periphery side of outer ring
To；The side deflection direction of each first seam is identical, it can be achieved that the circumferential of air-flow is spread, and it is good that air-flow cuts down effect.It is stitched by item
Reduce bubble diameter, and go out to flow using circumferential, air water agitation can be increased, it is good that air-flow cuts down effect.Preferably, first slit width
3mm ~ 4mm, long 5mm ~ 8mm.
It to realize further slow release gas, is stitched by item and reduces bubble diameter, circumferential direction goes out the function of stream, on the outer ring
Second airflow channel is multiple Article 2 seams along outer ring circumferential direction arrangement；The side of Article 2 seam is clockwise or the inverse time
Needle deflection, so that flow direction when air-flow is stitched by Article 2 is parallel to the tangent to periphery direction of outer ring；The side of each Article 2 seam
It is identical to deflect direction.Preferably, Article 2 slit width 2mm, long 5mm ~ 8mm.High 30mm ~ the 40mm of outer ring.
The side deflection direction of the Article 2 seam is contrary with first side stitched deflection, and first seam
Positioned at the lower section of Article 2 seam.
The air-flow of first seam evolution enters the second sustained release space and further cuts down, and inner ring and the circumferential direction of outer ring go out to flow phase
Instead, air-flow can be cut down, further to obtain uniform and stable bubble.
Further to disperse to flow out, mitigate internal gas flow and go out flowing pressure, obtain more evenly with stable bubble, the bottom plate
On the first airflow channel be multiple Article 3 seam, multiple Article 3 seam is with the central point of gas-distribution pipe venthole in the vertical of bottom plate
It radially distributes centered on projection.
Preferably, Article 3 slit width 2mm, length 5mm ~ 8mm.
It is preferred that bottom plate is threadedly coupled with inner ring.
As a kind of specific structure of installation part, the installation part is snap ring, and the snap ring card embraces the gas-distribution pipe；It is described
The downside of snap ring offers air distribution hole corresponding with the venthole of the gas-distribution pipe, and the venthole, air distribution hole and first are slow
Space is released successively to penetrate through.
The upper end of the snap ring is equipped with the lock for locking the snap ring.
Tight lock card, which is buckled, to be arranged at symmetric fanning diffusion disc upper surface center, is formed by tightly latching with tight lock card ring；Tight lock card
Ring thickness 4mm ~ 7mm, wide 80mm ~ 12mm, inside are provided with 60 ° of chamferings, and middle part is equipped with O-shaped rubber ring；The tight lock that the tight lock card is buckled
Thickness 5mm ~ 8mm is detained, open side is provided with 60 ° of chamferings.The major function that tight lock card is buckled is the gas-distribution pipe that aperture is encircled in locking.
The cross section of the bubble shearing diffusion disc is sector, and the lower surface of the bubble shearing diffusion disc is curved surface, institute
Curved surface is stated to portal equipped with multiple bubbles cutting structure and multiple bubbles.
On multiple first circular curves, multiple first circular curves are sheared along bubble to be expanded multiple bubble cutting structure distributions
The short transverse for dissipating disk is alternatively arranged；Multiple bubbles, which portal, to be distributed on multiple second circular curves, multiple second circular curves
Short transverse along bubble shearing diffusion disc is alternatively arranged；First circular curve and the second circular curve are arranged concentrically, and adjacent two
At least provided with second circular curve between a first circular curve.
Bubble cut the preferred pyrometric cone tooth of structure, pyrometric cone bottom be positive triangle, bottom side length 3mm ~ 4mm, the long 15mm of pyrometric cone ~
20mm, pyrometric cone tooth cone angle is vertically downward.The major function of symmetric fanning diffusion disc is to cut down bubble diameter by pyrometric cone tooth,
It is radiated and is spread by diffusion disc.
Multiple bubble cutting structure distributions are on multiple circular curves, height of multiple circular curves along bubble shearing diffusion disc
Degree direction is alternatively arranged；Portal between two neighboring bubble cutting structure equipped with bubble on same circular curve.
Bubble portals preferably circular hole, Circularhole diameter 2mm ~ 3mm, wire length 10mm ~ 15mm between circular hole；Adjacent round pitch of holes
10mm~15mm.The major function of circular hole is to prevent disk from hoarding heavy mud, uniform gas distribution.
The inventive concept total as one, the present invention also provides a kind of sides being aerated using above-mentioned aerator
Method includes the following steps:
S1: air-flow enters in the first sustained release space from the venthole of gas-distribution pipe, empty from the first sustained release after air-flow sustained release portion sustained release
Between escape into the second sustained release space in (35), then escaped from the second sustained release space after air-flow sustained release portion sustained release；
S2: the air-flow escaped from the second sustained release space cuts to form bubble through bubble cutting structure.
Compared with the prior art, the advantages of the present invention are as follows:
1, aerating pipe port opens up downwards the problem of well solving aeration pipe network water inlet, dramatically reduces stoppage in transit or aeration is uneven
Even operating cost.
2, bubble distribution is uniform, stablizes, and size is suitable, and supply gas pressure is small, and use is safe, solves puzzlement water factory's aerator
Insecure problem is used for a long time.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the aerator of the embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of the bubble shearing diffuser in the embodiment of the present invention.
Fig. 3 is the planar structure schematic diagram in the air-flow sustained release portion in the embodiment of the present invention.
Fig. 4 is the cross-sectional view of inner ring bottom.
Marginal data: 1, bubble shears diffuser；11, mounting base；12, bubble shears diffusion disc；13, bubble cutting knot
Structure；14, bubble portals；2, installation part；21, air distribution hole；22, it latches；3, air-flow sustained release portion；31, top plate；311, air inlet；32,
Inner ring；321, first seam；33, outer ring；331, Article 2 is stitched；34, bottom plate；341, Article 3 is stitched；35, the first sustained release space；
36, the second sustained release space.
Specific embodiment
Below in conjunction with specific preferred embodiment, the invention will be further described, but not thereby limiting the invention
Protection scope.
Embodiment 1:
As shown in Figure 1, the aerator of the present embodiment, including bubble shearing diffuser 1 and air-flow slow release device.
As illustrated in fig. 1 and 2, bubble shearing diffuser 1 includes mounting base 11, and is symmetricly set on 11 both ends of mounting base
Bubble shears diffusion disc 12；Installation part 2 is set to the upper end of mounting base 11, and air-flow sustained release portion 3 is set to the lower end of mounting base 11.
As depicted in figs. 1 and 2, in the present embodiment, the cross section that bubble shears diffusion disc 12 is sector, bubble shearing diffusion
The lower surface of disk 12 is curved surface, and curved surface is equipped with multiple bubbles cutting structure 13 and multiple bubbles portal 14.
Multiple bubble cutting structures 13 are distributed on multiple first circular curves, and multiple first circular curves are sheared along bubble
The short transverse of diffusion disc 12 is alternatively arranged；Multiple bubbles, which portal, 14 to be distributed on multiple second circular curves, multiple second circles
Curved line is alternatively arranged along the short transverse of bubble shearing diffusion disc 12；First circular curve and the second circular curve are set with one heart
It sets, at least provided with second circular curve between two neighboring first circular curve.
In the present embodiment, it is pyrometric cone tooth that bubble, which cuts structure 13, and pyrometric cone bottom is positive triangle, bottom side length 3mm ~ 4mm, three
Long 15mm ~ the 20mm of pyramid, pyrometric cone tooth cone angle is vertically downward.The major function of symmetric fanning diffusion disc is cut by pyrometric cone tooth
Subtract bubble diameter, is radiated and spread by diffusion disc.
Bubble, which portals, is laid in same diameter pyrometric cone between cog, preferably circular hole, Circularhole diameter 2mm ~ 3mm, wire length between circular hole
10mm~15mm；Adjacent round pitch of holes 10mm ~ 15mm.The major function of circular hole is to prevent disk from hoarding heavy mud, uniform gas distribution.
The air-flow slow release device of the present embodiment, including installation part 2, and it is fixed on the air-flow sustained release portion 3 of 2 lower end of installation part.
Installation part 2 is for installing gas-distribution pipe.Installation part 2 is snap ring, and snap ring card embraces gas-distribution pipe, and the upper end of snap ring, which is equipped with, to be used for
The lock 22 of shackle.The venthole of gas-distribution pipe is arranged downward, and the downside of snap ring offers the venthole pair with gas-distribution pipe
The air distribution hole 21 answered.
Tight lock card, which is buckled, to be arranged at symmetric fanning diffusion disc upper surface center, is formed by tightly latching with tight lock card ring；Tight lock card
Ring thickness 4mm ~ 7mm, wide 80mm ~ 12mm, inside are provided with 60 ° of chamferings, and middle part is equipped with O-shaped rubber ring；The tight lock that the tight lock card is buckled
Thickness 5mm ~ 8mm is detained, open side is provided with 60 ° of chamferings.The major function that tight lock card is buckled is the gas-distribution pipe that aperture is encircled in locking.
As shown in figure 3, air-flow sustained release portion 3 includes top plate 31, the inner ring 32 and outer ring 33 for being fixed on 31 lower end of top plate, inner ring
32 and outer ring 33 be arranged concentrically, 32 bottom edge of inner ring be lower than 33 bottom edge 8mm ~ 10mm of outer ring.The bottom end of inner ring 32 is equipped with bottom plate 34, interior
The space that ring 32, top plate 31 and bottom plate 34 surround forms the first sustained release space 35,32 outer wall of inner ring, 33 inner wall of outer ring and top plate 31
Between formed second sustained release space 36；Position corresponding with air distribution hole 21 offers air inlet 311 on top plate 31, under inner ring 32
The first airflow channel is offered on portion and/or bottom plate 34；The lower part of outer ring 33 offers the second airflow channel.
Venthole, air distribution hole 21, air inlet 311, first are sustained space 35 and the second sustained release space 36 and successively penetrate through.
In the present embodiment, multiple first seam 321 along 32 circumferential direction of inner ring arrangement are offered in inner ring 32；First
The side of seam 321 deflects clockwise or counterclockwise, so that flow direction when air-flow is by first seam 321 is parallel to the circle of outer ring 33
All tangential directions；The side deflection direction of each first seam 321 is identical.
Specifically, as shown in figure 4, on the cross section of inner ring 32, according to first 321 quantity of seam in the inner circle of cross section
It layouts, then along Chosen Point tangential direction open gap, forms first seam 321.In the present embodiment, each first seam 321
Opening direction is counterclockwise.
In the present embodiment, multiple Article 2 seams 331 along 33 circumferential direction of outer ring arrangement are offered on outer ring 33；Article 2
The side of seam 331 deflects clockwise or counterclockwise, so that flow direction when air-flow is by Article 2 seam 331 is parallel to the circle of outer ring 33
All tangential directions；The side deflection direction of each Article 2 seam 331 is identical.
Specifically, on the cross section of outer ring 33,331 quantity is stitched according to Article 2 and are layouted in the inner circle of cross section, so
Afterwards along Chosen Point tangential direction open gap, Article 2 seam 331 is formed.In the present embodiment, the opening of each Article 2 seam 331 is towards
For clockwise.
In the present embodiment, multiple Article 3 seams 341 are offered on bottom plate 34, multiple Article 3 seams 341 are with gas-distribution pipe outlet
The central point in hole radially distributes centered on the upright projection of bottom plate 34.
Technical principle of the invention: air-flow enters the first sustained release through air distribution hole 21 from the outlet for being provided with aeration branch pipe bottom
In space 35, sustained release is stitched by the item in inner ring 32 and bottom plate 34 using hydrometeor density difference principle, bubble aperture is reduced, enters back into
In second sustained release space 36, under the effect of circumferential item seam, bubble aperture is reduced, circumferential direction goes out to flow, and increases air water agitation；The gas flowed out
For aqueous mixtures under sector diffusion discone tooth effect, deep layer cuts bubble, is released by cone tooth with diameter circular hole by cutting bubble portion
It runs out, it is most of that the release of hub disk surface radiation is cut by disk at many levels.Slit width 2mm is set, is conducive to bubble out of cavity
Evolution, after pyrometric cone tooth, radiation is diffused as 2 ~ 6mm of diameter, and mixing effect is preferable, and more conducively air water substrate reaction, oxygen utilize
Effect is good.
To going out to flow under the air outlet hole mouth of gas-distribution pipe, avoid pipe network because the reasons such as various poorly sealed, aerators damages into
Water mitigates supply gas pressure.
The above is only the preferred embodiment of the application, not does any type of limitation to the application, although this Shen
Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off
In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to
Case study on implementation is imitated, is belonged in technical proposal scope.
Claims (10)
1. a kind of aerator, including bubble shearing diffuser (1), which is characterized in that further include air-flow slow release device；The air-flow
Slow release device, including installation part (2), and it is fixed on the air-flow sustained release portion (3) of installation part (2) lower end；Air-flow sustained release portion (3)
With the first sustained release space (35) and around the second sustained release space (36) of first sustained release space (35)；
The installation part (2) is for installing gas-distribution pipe；The venthole of the gas-distribution pipe is arranged downward, the outlet of the gas-distribution pipe
Hole, the first sustained release space (35) and the second sustained release space (36) are sequentially communicated；In air-flow sustained release portion (3) have for air-flow from
First sustained release space (35) escapes into first airflow channel in the second sustained release space (36), and is sustained space from second for air-flow
(36) the second airflow channel escaped in；
Bubble shearing diffuser (1) includes mounting base (11), and is symmetricly set on the bubble at mounting base (11) both ends and cuts
It cuts diffusion disc (12), the lower surface of bubble shearing diffusion disc (12) is curved surface, and the curved surface is cut equipped with multiple bubbles
Structure (13) and multiple bubbles portal (14)；The installation part (2) is set to the upper end of the mounting base (11), the air-flow sustained release
Portion (3) is set to the lower end of the mounting base (11).
2. aerator according to claim 1, which is characterized in that air-flow sustained release portion (3) includes top plate (31), consolidates
Due to the inner ring (32) and outer ring (33) of top plate (31) lower end, the inner ring (32) and outer ring (33) are arranged concentrically, the inner ring
(32) bottom end is equipped with bottom plate (34), and the space that the inner ring (32), top plate (31) and bottom plate (34) surround forms described first
It is sustained space (35), forms described second between inner ring (32) outer wall, the outer ring (33) inner wall and the top plate (31)
It is sustained space (36)；First airflow channel is opened on the lower part and/or bottom plate (34) of the inner ring (32)；Described second
Airflow channel is opened in the lower part of outer ring (33).
3. aerator according to claim 2, which is characterized in that the first airflow channel on the inner ring (32) is more
A first seam (321) along inner ring (32) circumferential direction arrangement；The side of first seam (321) is clockwise or counterclockwise
Deflection, so that flow direction when air-flow stitches (321) by first is parallel to the tangent to periphery direction of outer ring (33)；Each first seam
(321) side deflection direction is identical.
4. aerator according to claim 3, which is characterized in that the second airflow channel on the outer ring (33) is more
A Article 2 along outer ring (33) circumferential direction arrangement stitches (331)；The side of the Article 2 seam (331) is clockwise or counterclockwise
Deflection, so that flow direction when air-flow stitches (331) by Article 2 is parallel to the tangent to periphery direction of outer ring (33)；Each Article 2 seam
(331) side deflection direction is identical；The side in side the deflection direction and first seam (321) of the Article 2 seam (331)
Deflect it is contrary, and it is described first seam (321) be located at Article 2 stitch (331) lower section.
5. aerator according to claim 2, which is characterized in that the first airflow channel on the bottom plate (34) is more
A Article 3 stitches (341), and upright projection of multiple Article 3 seams (341) with the central point of gas-distribution pipe venthole in bottom plate (34) is
Center radially distributes.
6. aerator according to claim 1-5, which is characterized in that the installation part (2) is snap ring, described
Snap ring card embraces the gas-distribution pipe；The downside of the snap ring offers air distribution hole corresponding with the venthole of the gas-distribution pipe
(21), the venthole, air distribution hole (21) and the first sustained release space (35) successively penetrate through.
7. aerator according to claim 6, which is characterized in that the upper end of the snap ring is equipped with for locking the card
The lock (22) of ring.
8. aerator according to claim 1-5, which is characterized in that multiple bubble cutting structure (13) distributions
On multiple first circular curves, multiple first circular curves are alternatively arranged along the short transverse of bubble shearing diffusion disc (12).
9. aerator according to claim 8, which is characterized in that multiple bubbles portal (14) be distributed in it is multiple second circle
On curved line, multiple second circular curves are alternatively arranged along the short transverse of bubble shearing diffusion disc (12)；First circular curve
It is arranged concentrically with the second circular curve, at least provided with second circular curve between two neighboring first circular curve.
10. a kind of method being aerated using such as described in any item aerators of claim 1-9, which is characterized in that packet
Include following steps:
S1: air-flow enters in the first sustained release space (35) from the venthole of gas-distribution pipe, from first after air-flow sustained release portion (3) sustained release
It is escaped into the second sustained release space (36) in sustained release space (35), then from the second sustained release sky after air-flow sustained release portion (3) sustained release
Between evolution in (36)；
S2: the air-flow escaped from the second sustained release space (41) forms bubble through bubble cutting structure (11) cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910830431.3A CN110407311B (en) | 2019-09-04 | 2019-09-04 | Aeration device and aeration method |
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| CN201910830431.3A CN110407311B (en) | 2019-09-04 | 2019-09-04 | Aeration device and aeration method |
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| CN201458840U (en) * | 2009-09-09 | 2010-05-12 | 朱金安 | Multilevel cutting slow release gas diffuser |
| KR20160000907A (en) * | 2014-06-25 | 2016-01-06 | 이앤티코리아 주식회사 | Micro Bubble Diffuser With Dual Air Inlet Line And Wastewater Treatment System |
| CN206624701U (en) * | 2017-01-24 | 2017-11-10 | 上海中耀环保实业有限公司 | It is a kind of to exempt from blocking aeration device for sewage disposal |
| CN208561870U (en) * | 2018-03-23 | 2019-03-01 | 徐州工程学院 | Revolve mixed aerator |
| CN109734207A (en) * | 2019-03-08 | 2019-05-10 | 苏州净研环保科技有限公司 | A kind of PTFE aeration plate |
| CN109896645A (en) * | 2019-04-01 | 2019-06-18 | 江苏道明化学有限公司 | A kind of lamination rotary cutting aerator and its installation method |
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2019
- 2019-09-04 CN CN201910830431.3A patent/CN110407311B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201458840U (en) * | 2009-09-09 | 2010-05-12 | 朱金安 | Multilevel cutting slow release gas diffuser |
| KR20160000907A (en) * | 2014-06-25 | 2016-01-06 | 이앤티코리아 주식회사 | Micro Bubble Diffuser With Dual Air Inlet Line And Wastewater Treatment System |
| CN206624701U (en) * | 2017-01-24 | 2017-11-10 | 上海中耀环保实业有限公司 | It is a kind of to exempt from blocking aeration device for sewage disposal |
| CN208561870U (en) * | 2018-03-23 | 2019-03-01 | 徐州工程学院 | Revolve mixed aerator |
| CN109734207A (en) * | 2019-03-08 | 2019-05-10 | 苏州净研环保科技有限公司 | A kind of PTFE aeration plate |
| CN109896645A (en) * | 2019-04-01 | 2019-06-18 | 江苏道明化学有限公司 | A kind of lamination rotary cutting aerator and its installation method |
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