CN201932953U - Rotational flow shearing air bubble aerator - Google Patents
Rotational flow shearing air bubble aerator Download PDFInfo
- Publication number
- CN201932953U CN201932953U CN2011200430637U CN201120043063U CN201932953U CN 201932953 U CN201932953 U CN 201932953U CN 2011200430637 U CN2011200430637 U CN 2011200430637U CN 201120043063 U CN201120043063 U CN 201120043063U CN 201932953 U CN201932953 U CN 201932953U
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- Prior art keywords
- swirl
- reaction
- outer cylinder
- gas distributor
- shear
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- 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 - Lifetime
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- 238000005276 aerator Methods 0.000 title claims abstract description 39
- 238000010008 shearing Methods 0.000 title abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 238000009792 diffusion process Methods 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 23
- 238000005273 aeration Methods 0.000 description 12
- 239000010865 sewage Substances 0.000 description 10
- 238000013022 venting Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004089 microcirculation Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000222640 Polyporus Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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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
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
一种旋流剪切气泡曝气器，包括进气底座、单向阀、气体分配器、反应外筒、反应内筒、及剪切气泡扩散盘，所述单向阀设置于进气底座上，一面与该进气底座连接，另一面与反应外筒连接；该气体分配器设置在单向阀及反应外筒内，其底部与进气底座连接，上部与剪切气泡扩散盘连接，该气体分配器的外围与反应外筒间设置该反应内筒；该剪切气泡扩散盘底部设有一级和二级旋流台阶，该一级和二级旋流台阶上设有齿。本实用新型采用大孔（相对微孔而言）条缝高速喷射配气，剪切气泡扩散综合作用碎泡原理，气泡大小更合适，分布更均匀。
A swirling flow shear bubble aerator, comprising an air intake base, a one-way valve, a gas distributor, a reaction outer cylinder, a reaction inner cylinder, and a shear bubble diffuser, the one-way valve is arranged on the air intake base , one side is connected to the air inlet base, and the other side is connected to the reaction outer cylinder; the gas distributor is arranged in the one-way valve and the reaction outer cylinder, its bottom is connected to the air inlet base, and its upper part is connected to the shear bubble diffusion plate. The reaction inner cylinder is arranged between the periphery of the gas distributor and the reaction outer cylinder; the bottom of the shear bubble diffusion plate is provided with a first-level and a second-level swirl step, and the first-level and second-level swirl steps are provided with teeth. The utility model adopts the principle of high-speed injection and distribution of large holes (compared to micropores), and the comprehensive effect of shearing bubble diffusion to break the bubbles. The size of the bubbles is more suitable and the distribution is more uniform.
Description
Technical field
The utility model relates to the aerobe of sewage to be handled, refer in particular to town sewage handled with Sewage Plant carry mark transformation, various organic industrial sewage is handled with carry mark transformation, little source of pollution water treatment carries out the eddy flow of oxygenation and shear the bubble aeration device.
Background technology
In sewage aerobic biological treatment engineering, the water treatment worker adopts aeration method to satisfy oxygen amount in the aerobic microbiological metabolic processes.Therefore, aerator becomes the main parts of this treatment process.The quality of aerator and the quality of running condition directly have influence on the efficient and the daily running expense of sewage disposal, the success or failure that have even influence the running of entire sewage treatment system.
At present, the aerator that domestic blast aeration system adopted mainly contains big or middle bubble aeration device and micro-hole aerator two big classes.Big or middle bubble aeration device commonly used in the engineering has: perforated pipe aerating regulation device, perforation air diffusion aerator, dicyclo umbrella shape aerator, fixedly spiral aerator, basin shape aerator, dynamic aeration device.Such aerator belongs to the imporosity diffusion structure, though be difficult for stopping up, drag losses is less, and required air quantity is many, and bubble is big, and the carbonated drink contact surface is little, and the utilization ratio of oxygen is low, the energy consumption height, and the disturbance stirring extent of current is excessive.Though bubble aeration device reliable in structure big or middle, poor efficiency.Micro-hole aerator commonly used in the engineering has: micro-hole aerator, bell-jar micro-hole aerator, flat micro-hole aerator in the reticular membrane, can open middle micro-hole aerator, the bar-shaped micro-hole aerator of polyethylene, hang aerator chain etc.Such aerator genus polyporus diffusion structure, though bubble is tiny, the utilization ratio height of oxygen, very easily obstruction, breakage, drag losses is big, and the working conditions harshness, and air needs filtration, purification.Use micro-hole aerator that the atmospheric drag loss will be increased, the pressure of gas blower increases, water treatment worker expectation some will be offset by the blast lift-off value because of air utilization ratio improves the electric power saved, its actual consumption is also high, will suppress bad blower fan when the value of boosting is too high.In addition, micro-hole aerator is because narrow-minded, and bubble steadily rises during aeration, and it is few to run foul of each other, and the flow velocity that drives when bubble rises is also less, and the disturbance stirring extent of current is too small.Though micro-hole aerator is efficient, structure is unreliable.
Summary of the invention
Technical problem to be solved in the utility model is: improved at the shortcoming that exists in the above-mentioned prior art, a kind of reasonable in design is provided, simple and reliable, do not stop up, the utilization ratio height of oxygen, drag losses is little, energy consumption is low, air does not need filtration, purification eddy flow shear the bubble aeration device.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of eddy flow is sheared the bubble aeration device, comprise air inlet base, check valve, gas distributor, reaction urceolus, reaction inner core, reach and shear the bubble diffusion disc, be characterized in: described check valve is arranged on the air inlet base, one side is connected with this air inlet base, and another side is connected with the reaction urceolus; This gas distributor is arranged in check valve and the reaction urceolus, and its bottom is connected with the air inlet base, and top is connected with shearing bubble diffusion disc, between the periphery of this gas distributor and reaction urceolus this reaction inner core is set; This shearing bubble diffusion disc bottom is provided with firsts and seconds eddy flow step, and this firsts and seconds eddy flow step is provided with tooth.
Described one-level and secondary eddy flow step periphery are evenly equipped with the eddy flow plate that a circle is obliquely installed respectively.Described tooth comprises the lance tooth that the periphery of firsts and seconds eddy flow step is provided with near eddy flow plate place, and uniform taper tooth vertically upward on this one-level eddy flow step front, and the back side of this shearing bubble diffusion disc is evenly equipped with taper tooth vertically downward.
Described gas distributor is hollow long cone, and is distributed with three grades along the cone wall is stepped, at different levelsly has R-joining along positive and negative tangent line successively in the cone wall, forms three grades of incorgruous eddy flow venting holes.The diffusing opening on described reaction urceolus top is provided with several teeth.
The utility model adopts the distribution of macropore (micropore relatively) bar seam high-velocity jet, the three-dimensional broken bubble principle of bubble diffusion comprehensive action of shearing, the bubble size is more suitable, be more evenly distributed, solved well: (1) is for guaranteeing the sewage thorough mixing, active sludge is in suspended state, and the bubble diameter of aerator diffusion should be enough big; For improving the utilization ratio of oxygen, the bubble diameter of aerator diffusion should be enough little; (2) even along pond length direction gas distribution for guaranteeing the aeration tank, the atmospheric drag of aerator should be enough big; For reducing the energy consumption of aerator, two hang-ups that the atmospheric drag of aerator should be enough little.
Description of drawings:
Fig. 1 is an assembly structure figure of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the sectional view of Fig. 1 along the E-E line.
Fig. 4 is the sectional view of Fig. 1 along the F-F line.
Fig. 5 is the sectional view of gas distributor.
Fig. 5 a is the sectional view of Fig. 5 along the A-A line.
Fig. 5 b is the sectional view of Fig. 5 along the B-B line.
Fig. 5 c is the sectional view of Fig. 5 along the C-C line.
Fig. 6 is the vertical view of Fig. 5.
Embodiment:
By Fig. 1 to 6 as can be known, the utility model comprises air inlet base 1, check valve 2, gas distributor 3, reaction urceolus 4, reaction inner core 5, reaches and shear bubble diffusion disc 6.This check valve 2 is arranged on the air inlet base 1, and one side is connected with this air inlet base 1, and another side is connected with reaction urceolus 4; This gas distributor 3 is arranged in check valve 2 and the reaction urceolus 4, and its bottom is connected (can adopt be threaded or wringing fit grafting) with air inlet base 1, and top is connected (can adopt socket or be threaded) with shearing bubble diffusion disc 6; The periphery of this gas distributor 3 and 4 of urceolus of reaction are provided with this reaction inner core 5.
Continuation is referring to Fig. 1, and the diffusing opening on these reaction urceolus 4 tops is provided with several teeth 41.Cooperation is referring to Fig. 5 to Fig. 6, this gas distributor 3 is hollow long cone, and be distributed with three grades along the cone wall is stepped, at different levelsly on the cone wall, have R-joining 31(referring to Fig. 5 a, Fig. 5 b, and Fig. 5 c along positive and negative tangent line successively, represent cut-away view at different levels respectively), form three grades of incorgruous eddy flow venting holes.Cooperation is referring to Fig. 3 and Fig. 4, these shearing bubble diffusion disc 6 bottoms are provided with one-level eddy flow step 61 and secondary eddy flow step 62, this I and II eddy flow step (61,62) is provided with tooth 63, this tooth comprises: be evenly equipped with taper tooth (see figure 3) vertically upward on these one-level eddy flow step 61 fronts, the lance tooth that is provided with in I and II eddy flow step periphery; This I and II eddy flow step periphery is evenly equipped with the eddy flow plate 7 that a circle is obliquely installed; The back side of this shearing bubble diffusion disc 6 is evenly equipped with taper tooth 64 vertically downward.
Principle of work of the present utility model and process:
In, outer loop reaction: after gas enters from air inlet base 1, by three grades of incorgruous eddy flow venting holes of gas distributor 3 successively along just, traditional method of indicating the pronunciation of a Chinese character line direction is discharged and the collision of reaction inner core 5 inwalls, sewage being carried out the mixing of appropriateness stirs, drive matrix (mixed solution) simultaneously and form upwelling, most of upwelling is under the effect of shearing bubble diffusion disc 6, form diffusion rising main body on aerator top, the part upwelling is along the passage between reaction inner core 5 and the reaction urceolus 4, forming descends refluxes, the backflow insufficient section replenishes matrix (mixed solution) by the aperture of reaction urceolus 4 bottoms, makes aerator form complete internal recycling reaction.React urceolus 4 simultaneously and form the outer loop reaction again with peripheral mixed solution.The circulation of aerator inside is called microcirculation relatively, and the microcirculation process is actually a time-delay and strengthens reaction process, and its principle is similar to the tiny cells oxidation ditch.
The gas distribution depth optimization: because inside and outside round-robin exists, the gas distribution degree of depth has not been the gas distributor 3 venting hole positions on the physical significance, adds the outer loop of aerator, has been an effective mass transfer zone in aerator venting hole bottom.
Non-power is sheared diffusion: gas except through the positive and negative cutting of three grades of incorgruous eddy flow venting holes of gas distributor 3 and with sewage mixing stirring action, the diffusing opening dentalation on the vertical dentalation at shearing bubble diffusion disc 6 back sides at aerator top and reaction urceolus 4 tops forms a convection current cutting zone, make bubble carry out omnibearing collision, intensive cutting, delay and the exchange of speed up gas and liquid interface at this, increased the area that air contacts with liquid level, prolong air and liquid level duration of contact, accelerated the speed that the gas-liquid face upgrades.The passage of shearing bubble diffusion disc 6 middle parts has guaranteed that aerator top does not have the gaseous diffusion dead band, has improved mass transfer and power usefulness.
The tolerance Intelligent Hybrid is regulated: three grades of incorgruous eddy flow venting holes of gas distributor 3 are in the difference that vertically has certain height and perforated area, can be according to tolerance size smart allocation free air delivery, the cutting mixing effect of venting hole is simultaneously effectively when guaranteeing that tolerance is ascending and changing.Three grades of incorgruous eddy flow scavenging actions make gas form best gas, water hybrid reaction process outside gas distributor 3.
Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200430637U CN201932953U (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing air bubble aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200430637U CN201932953U (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing air bubble aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201932953U true CN201932953U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200430637U Expired - Lifetime CN201932953U (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing air bubble aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201932953U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139951A (en) * | 2011-02-22 | 2011-08-03 | 中国水电顾问集团中南勘测设计研究院 | Rotational flow shearing bubble aerator |
| CN104787906A (en) * | 2015-04-20 | 2015-07-22 | 扬州大学 | Partitioned circulation blast aerator and method adopting same |
| CN105585109A (en) * | 2016-03-10 | 2016-05-18 | 西安建筑科技大学 | Spinning-type multistage gas distribution swirl-mixing aerator |
| CN108217996A (en) * | 2018-03-23 | 2018-06-29 | 湖南艾布鲁环保科技股份有限公司 | A kind of sewage disposal or the non-blocking aeration device and aerating system of ecological restoration technology on river |
| CN111330469A (en) * | 2020-04-17 | 2020-06-26 | 重庆鑫乡科技有限公司 | A tiny bubble generator |
-
2011
- 2011-02-22 CN CN2011200430637U patent/CN201932953U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139951A (en) * | 2011-02-22 | 2011-08-03 | 中国水电顾问集团中南勘测设计研究院 | Rotational flow shearing bubble aerator |
| CN104787906A (en) * | 2015-04-20 | 2015-07-22 | 扬州大学 | Partitioned circulation blast aerator and method adopting same |
| CN105585109A (en) * | 2016-03-10 | 2016-05-18 | 西安建筑科技大学 | Spinning-type multistage gas distribution swirl-mixing aerator |
| CN108217996A (en) * | 2018-03-23 | 2018-06-29 | 湖南艾布鲁环保科技股份有限公司 | A kind of sewage disposal or the non-blocking aeration device and aerating system of ecological restoration technology on river |
| CN111330469A (en) * | 2020-04-17 | 2020-06-26 | 重庆鑫乡科技有限公司 | A tiny bubble generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION Free format text: FORMER NAME: ZHONGNAN PROSPECTING DESIGN INST. CHINA HYDRAUELECTRIC CONSULTANT GROUP Owner name: CHINA POWER GROUP ZHONGNAN INVESTIGATION DESIGN + Free format text: FORMER NAME: HYDROCHINA ZHONGNAN ENGINEERING CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: POWERCHINA ZHONGNAN ENGINEERING Corp.,Ltd. Patentee after: Yunnan Guoshui Environmental Protection Technology Co.,Ltd. Address before: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee before: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee before: Yunnan Guoshui Environmental Protection Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 410014 Hunan province Changsha Yuhua District, camphor Road No. 16 Patentee after: HYDROCHINA ZHONGNAN ENGINEERING Corp. Patentee after: Yunnan Guoshui Environmental Protection Technology Co.,Ltd. Address before: 410014 Hunan province Changsha City Institute of Road No. 6 Patentee before: Mid-South Hydroelectric Investigation & Design Institute of China Hydropower Engineering Consulting Group Patentee before: Yunnan Guoshui Environmental Protection Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |