CN200992508Y - Micro-circulating compound slow-release aeprator - Google Patents
Micro-circulating compound slow-release aeprator Download PDFInfo
- Publication number
- CN200992508Y CN200992508Y CNU2006202010371U CN200620201037U CN200992508Y CN 200992508 Y CN200992508 Y CN 200992508Y CN U2006202010371 U CNU2006202010371 U CN U2006202010371U CN 200620201037 U CN200620201037 U CN 200620201037U CN 200992508 Y CN200992508 Y CN 200992508Y
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- CN
- China
- Prior art keywords
- gas distributor
- reaction
- gas
- eddy flow
- slow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 utility model relates aerobic biological treatment for sewage, especially referring to a complex slow-release aerator of micro-circulation for the micro-polluted source water, organic industrial wastewater and life sewage in cities. The utility model, which includes an air inlet base, check valves assembled from inner to upside one by one, gas distributors, a reaction outer cylinder, a reaction inner cylinder, a slow-release diffusion plate, is characteristics in that the bottom of gas distributor is connected with the threads of the gas inlet base or close fit joint, the periphery of gas distributor is equipped with reaction inner cylinder. The upside of gas distributor is covered jointed with the slow-release distributing plate or the threads. The reaction outer cylinder is equipped in the upside of the gas inlet base, which is encased with the reaction inner cylinder and gas distributor. The bottom of the slow-release distributing plate is equipped with the first and secondary spin steps, where has the dentation structure. The utility model, using the high speed spraying gas distribution with strip macropore and the theory of solid slow-released comprehensively effecting on bubble, realize the air bubble of a suitable size and better distribution.
Description
Technical field
The utility model relates to the aerobe of sewage to be handled, and refers in particular to the microcirculation composite slow release aerator that little source of pollution water, organic industrial sewage and city domestic sewage are handled.
Background technology
In sewage aerobic biological treatment engineering, people adopt aeration method to satisfy the oxygen amount of aerobic microbiological in metabolic processes, and therefore, aerator becomes the main part of this treatment process.The quality of aerator and the quality of running condition directly have influence on the efficient of sewage disposal and frequent running expense, have in addition influence the success or failure that the entire sewage treatment system turns round.At present, the aerator that domestic blast aeration system adopted mainly contains big-and-middle bubble aeration device and micro-hole aerator two big classes.Big-and-middle bubble aeration device commonly used in the engineering has: the perforated pipe aerating regulation device; The perforation air diffusion aerator; Dicyclo umbrella shape aerator; Fixing spiral aerator; Basin shape aerator; The dynamic aeration device; Micro-hole aerator in the reticular membrane.Such aerator belongs to the imporosity diffusion structure, though be difficult for stopping up, drag losses is less, and required air quantity is many, bubble is big, gas-water contact is little, and the utilization ratio of oxygen is low, the energy consumption height, and the disturbance stirring extent of current is excessive.Though big-and-middle bubble aeration device reliable in structure, poor efficiency.Micro-hole aerator commonly used in the engineering has: the bell-jar micro-hole aerator; Flat micro-hole aerator; In can opening, micro-hole aerator; The bar-shaped micro-hole aerator of polyethylene.Such aerator genus polyporus diffusion structure, though bubble is tiny, the utilization ratio of oxygen is higher, 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 will raise, air utilization ratio improve and the electric power of saving some will be increased by the pressure lift-off value and offset, actual consumption is also high, boosts will suppress bad blower fan when too high.In addition, micro-hole aerator is because narrow-minded, and bubble steadily rises during aeration, seldom runs 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
The purpose of this utility model is improved at shortcoming that exists in the background technology and problem, provide a kind of technology advanced person, modern design, scientific and reasonable for structure, 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 microcirculation composite slow release aerator.
The technical solution of the utility model is: construct a kind of air inlet base that comprises, by the interior check valve that upwards assembles successively, gas distributor, the reaction urceolus, the reaction inner core, the slowly-releasing diffusion disc, its feature is that the gas distributor bottom is connected with the air inlet whorl of base, perhaps wringing fit is pegged graft, the periphery of gas distributor is provided with the reaction inner core, the top of gas distributor and the socket of slowly-releasing diffusion disc, perhaps be threaded, the reaction urceolus is located at the top of air inlet base, to react in inner core and gas distributor be included in, slowly-releasing diffusion disc bottom is provided with firsts and seconds eddy flow step, and step is provided with dentalation.
The utility model adopts the distribution of macropore bar seam high-velocity jet, the broken bubble principle of three-dimensional slowly-releasing diffusion comprehensive action, and the bubble size is more suitable, be more evenly distributed, well solved: (1) 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) for guaranteeing that gas distribution is even along its length in 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 the utility model assembly structure figure
Fig. 2 is Fig. 1 vertical view
Fig. 3 is Fig. 1 E-E sectional view
Fig. 4 is Fig. 1 F-F sectional view
Fig. 5 is gas distributor complete section figure and each cross-sectional view
Embodiment
By Fig. 1 to 5 as can be known, the utility model comprises air inlet base (1), by the interior check valve (2) that upwards assembles successively, gas distributor (3), reaction urceolus (4), reaction inner core (5), slowly-releasing diffusion disc (6), be characterized in that gas distributor (3) bottom is threaded with air inlet base (1), perhaps wringing fit is pegged graft, the periphery of gas distributor (3) is provided with reaction inner core (5), the top of gas distributor (3) and slowly-releasing diffusion disc (6) socket, perhaps be threaded, reaction urceolus (4) is located at the top of air inlet base (1), to react in inner core (5) and gas distributor (3) be included in, slowly-releasing diffusion disc (6) bottom is provided with firsts and seconds eddy flow step, and step is provided with dentalation.
The back side of slowly-releasing diffusion disc described in the utility model (6) is evenly equipped with taper toothing vertically downward, also is evenly equipped with taper toothing vertically upward on the positive one-level eddy flow step, is provided with lance tooth shape structure in the periphery of I and II eddy flow step.Described I and II eddy flow step periphery is evenly equipped with the eddy flow plate (7) that a circle is obliquely installed.Described gas distributor (3) is hollow long cone.Have seam along positive and negative tangent line successively on the cone face, be multistage bidirectional eddy flow venting hole.Also be provided with dentalation on the diffusing opening on described reaction urceolus (4) top.
Principle of work of the present utility model and process:
In, outer loop reaction: after gas enters from air inlet base (1), by the multistage bidirectional eddy flow venting hole 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) inwall, 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 slowly-releasing 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) bottom, 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 oxidation ditch.
The gas distribution depth optimization: because inside and outside round-robin exists, the gas distribution degree of depth has not been gas distributor (3) the venting hole position on the physical significance, adds the outer loop of aerator, has been an effective mass transfer zone in aerator venting hole bottom.
The diffusion of non-power cutting slowly-releasing: gas except through the positive and negative cutting of the multistage bidirectional eddy flow venting hole of gas distributor (3) and with sewage mixing stirring action, the diffusing opening dentalation on the vertical dentalation at slowly-releasing diffusion disc (6) back side at aerator top and reaction urceolus (4) top 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 and bought to resell duration of contact, accelerated the speed that the gas-liquid face upgrades.The passage at slowly-releasing diffusion disc (6) middle part 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: the multipole bidirectional rotational flow venting hole of gas distributor (3) is 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 effective equally when guaranteeing that tolerance is ascending and changing.Multistage bidirectional eddy flow scavenging action makes 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; do not breaking away under the preceding topic of 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)
1. microcirculation composite slow release aerator, comprise air inlet base (1), by the interior check valve (2) that upwards assembles successively, gas distributor (3), reaction urceolus (4), reaction inner core (5), slowly-releasing diffusion disc (6), it is characterized in that gas distributor (3) bottom is threaded with air inlet base (1), perhaps wringing fit is pegged graft, the periphery of gas distributor (3) is provided with reaction inner core (5), the top of gas distributor (3) and slowly-releasing diffusion disc (6) socket, perhaps be threaded, reaction urceolus (4) is located at the top of air inlet base (1), to react in inner core (5) and gas distributor (3) be included in, slowly-releasing diffusion disc (6) bottom is provided with firsts and seconds eddy flow step, and step is provided with dentalation.
2. microcirculation composite slow release aerator according to claim 1, the back side that it is characterized in that described slowly-releasing diffusion disc (6) is evenly equipped with taper toothing vertically downward, also be evenly equipped with taper toothing vertically upward on the positive one-level eddy flow step, be provided with lance tooth shape structure in the periphery of I and II eddy flow step.
3. microcirculation composite slow release aerator according to claim 1 is characterized in that described I and II eddy flow step periphery is evenly equipped with the eddy flow plate (7) that a circle is obliquely installed.
4. microcirculation composite slow release aerator according to claim 1 is characterized in that described gas distributor (3) is hollow long cone, has seam along positive and negative tangent line successively on the cone face, is multistage bidirectional eddy flow venting hole.
5. microcirculation composite slow release aerator according to claim 1 is characterized in that also being provided with dentalation on the diffusing opening on described reaction urceolus (4) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006202010371U CN200992508Y (en) | 2006-12-14 | 2006-12-14 | Micro-circulating compound slow-release aeprator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006202010371U CN200992508Y (en) | 2006-12-14 | 2006-12-14 | Micro-circulating compound slow-release aeprator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200992508Y true CN200992508Y (en) | 2007-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006202010371U Expired - Fee Related CN200992508Y (en) | 2006-12-14 | 2006-12-14 | Micro-circulating compound slow-release aeprator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200992508Y (en) |
Cited By (3)
| 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 |
| CN110316812A (en) * | 2019-06-24 | 2019-10-11 | 河北航天环境工程有限公司 | A kind of high-efficiency aerator and application for forcing Mixing Technology based on air swirl |
| CN113402019A (en) * | 2021-06-23 | 2021-09-17 | 宁波中车时代电气设备有限公司 | Aeration device |
-
2006
- 2006-12-14 CN CNU2006202010371U patent/CN200992508Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN110316812A (en) * | 2019-06-24 | 2019-10-11 | 河北航天环境工程有限公司 | A kind of high-efficiency aerator and application for forcing Mixing Technology based on air swirl |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |