CN102139951A - Rotational flow shearing bubble aerator - Google Patents
Rotational flow shearing bubble aerator Download PDFInfo
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- CN102139951A CN102139951A CN2011100416278A CN201110041627A CN102139951A CN 102139951 A CN102139951 A CN 102139951A CN 2011100416278 A CN2011100416278 A CN 2011100416278A CN 201110041627 A CN201110041627 A CN 201110041627A CN 102139951 A CN102139951 A CN 102139951A
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- eddy flow
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- bubble
- air inlet
- flow step
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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
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to a rotational flow shearing bubble aerator comprising an air inlet base, a one-way valve, an air distributor, a reaction outer barrel, a reaction inner barrel and a shearing bubble diffusion disc, wherein the one-way valve is arranged on the air inlet base, one surface of the one-way valve is connected with the air inlet base, and the other surface is connected with the reaction outer barrel; the air distributor is arranged in the one-way valve and the reaction outer barrel, the bottom of the air distributor is connected with the air inlet base, and the upper part is connected with the shearing bubble diffusion disc; the reaction inner barrel is arranged between the periphery of the air distributor and the reaction outer barrel; the bottom of the shearing bubble diffusion disc is provided with a first-stage rotational flow step and a second-stage rotational flow step; and the first-stage rotational flow step and the second-stage rotational flow step are provided with teeth. A broken bubble principle of a macropore (relative to a micropore) slit high-speed injecting air distribution and shearing bubble diffusion combined action is adopted in the invention, thus bubbles with more appropriate size are obtained and distributed more uniformly.
Description
Technical field
The aerobe that the present invention relates to sewage is 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 by this invention 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 solution adopted in the present invention 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.The periphery of the firsts and seconds eddy flow step of described shearing bubble aeration dish is provided with lance tooth near eddy flow plate place, is evenly equipped with taper tooth vertically upward on this one-level eddy flow step front, and the back side of this shearing bubble aeration dish 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 present invention 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 invention.
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 present invention includes air inlet base 1, check valve 2, gas distributor 3, reaction urceolus 4, reaction inner core 5, 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 invention 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 of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design philosophy of the present invention; engineering technical personnel make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (5)
1. an eddy flow is sheared the bubble aeration device, comprise air inlet base (1), check valve (2), gas distributor (3), reaction urceolus (4), reaction inner core (5), reach and shear bubble diffusion disc (6), it is characterized in that: described check valve (2) is arranged on the air inlet base (1), 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), its bottom is connected with air inlet base (1), top is connected with shearing bubble diffusion disc (6), between periphery of this gas distributor (3) and reaction urceolus (4) this reaction inner core (5) is set; This shearing bubble diffusion disc (6) bottom is provided with one-level eddy flow step (61) and secondary eddy flow step (62), and this firsts and seconds eddy flow step (61,62) is provided with tooth (63).
2. eddy flow according to claim 1 is sheared the bubble aeration device, it is characterized in that: described one-level and secondary eddy flow step (61,62) periphery are evenly equipped with the eddy flow plate (7) that a circle is obliquely installed respectively.
3. eddy flow according to claim 2 is sheared the bubble aeration device, it is characterized in that: described tooth comprises the taper tooth that is evenly equipped with on one-level eddy flow step (61) front vertically upward, and the lance tooth that is provided with in I and II eddy flow step periphery, the back side of described shearing bubble aeration dish (6) is evenly equipped with taper tooth (64) vertically downward.
4. eddy flow according to claim 1 is sheared the bubble aeration device, it is characterized in that: described gas distributor (3) is hollow long cone, and be distributed with three grades along the cone wall is stepped, at different levelsly have R-joining (31) along positive and negative tangent line successively, form three grades of incorgruous eddy flow venting holes in the cone wall.
5. eddy flow according to claim 1 is sheared the bubble aeration device, and it is characterized in that: the diffusing opening on described reaction urceolus (4) top is provided with several teeth (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100416278A CN102139951A (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing bubble aerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100416278A CN102139951A (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing bubble aerator |
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| CN102139951A true CN102139951A (en) | 2011-08-03 |
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| CN2011100416278A Pending CN102139951A (en) | 2011-02-22 | 2011-02-22 | Rotational flow shearing bubble aerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523907A (en) * | 2013-10-25 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Oxidation ditch system with synergistic interaction of spiral-flow aeration and plug flow nozzles |
| CN103663675A (en) * | 2013-12-26 | 2014-03-26 | 中国水电顾问集团中南勘测设计研究院有限公司 | Flow dispersing aerator with rotary cut orifices |
| CN105836905A (en) * | 2015-01-16 | 2016-08-10 | 四川绿达环保科技发展有限公司 | High efficiency energy-saving maintenance-free vortex self-mixing type bubble micron-grade air dissolution device |
| CN106966516A (en) * | 2017-05-19 | 2017-07-21 | 中国电建集团中南勘测设计研究院有限公司 | A kind of curved surface aerator and aeration method |
| 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 |
| CN110921864A (en) * | 2019-12-24 | 2020-03-27 | 上海莫渊环境工程科技有限公司 | High-efficiency aerator |
| CN113402019A (en) * | 2021-06-23 | 2021-09-17 | 宁波中车时代电气设备有限公司 | Aeration device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592637Y (en) * | 2003-01-04 | 2003-12-17 | 朱金安 | Microcirculation slow-release aerator |
| CN200992508Y (en) * | 2006-12-14 | 2007-12-19 | 唐传祥 | Micro-circulating compound slow-release aeprator |
| CN201932953U (en) * | 2011-02-22 | 2011-08-17 | 中国水电顾问集团中南勘测设计研究院 | Rotational flow shearing air bubble aerator |
-
2011
- 2011-02-22 CN CN2011100416278A patent/CN102139951A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592637Y (en) * | 2003-01-04 | 2003-12-17 | 朱金安 | Microcirculation slow-release aerator |
| CN200992508Y (en) * | 2006-12-14 | 2007-12-19 | 唐传祥 | Micro-circulating compound slow-release aeprator |
| CN201932953U (en) * | 2011-02-22 | 2011-08-17 | 中国水电顾问集团中南勘测设计研究院 | Rotational flow shearing air bubble aerator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523907A (en) * | 2013-10-25 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Oxidation ditch system with synergistic interaction of spiral-flow aeration and plug flow nozzles |
| CN103663675A (en) * | 2013-12-26 | 2014-03-26 | 中国水电顾问集团中南勘测设计研究院有限公司 | Flow dispersing aerator with rotary cut orifices |
| CN105836905A (en) * | 2015-01-16 | 2016-08-10 | 四川绿达环保科技发展有限公司 | High efficiency energy-saving maintenance-free vortex self-mixing type bubble micron-grade air dissolution device |
| CN106966516A (en) * | 2017-05-19 | 2017-07-21 | 中国电建集团中南勘测设计研究院有限公司 | A kind of curved surface aerator and aeration method |
| CN106966516B (en) * | 2017-05-19 | 2023-02-10 | 中国电建集团中南勘测设计研究院有限公司 | Curved surface aerator and aeration method |
| 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 |
| CN110921864A (en) * | 2019-12-24 | 2020-03-27 | 上海莫渊环境工程科技有限公司 | High-efficiency aerator |
| CN110921864B (en) * | 2019-12-24 | 2024-04-12 | 上海莫渊环境工程科技有限公司 | High-efficiency aerator |
| CN113402019A (en) * | 2021-06-23 | 2021-09-17 | 宁波中车时代电气设备有限公司 | Aeration device |
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Application publication date: 20110803 |