CN201240934Y - Jet flow type aeration system - Google Patents
Jet flow type aeration system Download PDFInfo
- Publication number
- CN201240934Y CN201240934Y CNU2008201307055U CN200820130705U CN201240934Y CN 201240934 Y CN201240934 Y CN 201240934Y CN U2008201307055 U CNU2008201307055 U CN U2008201307055U CN 200820130705 U CN200820130705 U CN 200820130705U CN 201240934 Y CN201240934 Y CN 201240934Y
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- water
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- inner nozzle
- inlet pipe
- circulating pump
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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 utility model relates to a jet-type aeration system, which is mainly applied to the aeration for the oxidation ditch and the active mud reaction tank. The aeration system comprises a jet-type aeration machine, a water circulating pump, a blower and a backwashing system; an outer nozzle of the jet-type aeration machine is connected with the blower through an inlet pipe, an inner nozzle is fixed at the rear part of an inner cavity of the outer nozzle, and an inlet tube which is arranged at the end of the inner nozzle is communicated with the water circulating pump; an included angle with 5 to 10 degrees is formed between the axial line of the inner nozzle and the axial line of the outer nozzle, and a spiral flow guide mechanism which can lead the inner nozzle to spray the spiral water flow is arranged in a conical cavity which is arranged at the front end thereof. Through improving the nozzle structure, the aeration system has the advantages that: the aeration effect can be effectively improved, the oxygenation capacity is high, the stirring function is perfect so as to effectively avoid the depositing of the biological silt, the application range is wide, the energy consumption is low, the operation cost is low, and the operation is simple.
Description
Technical field
The utility model relates to a kind of jetting type aerating system, is mainly used in the aeration of oxidation ditch and active mud reaction tank.
Background technology
At present, jet-flow aeration is as the 3rd class aeration method after blast aeration and mechanical aeration, utilize effusive turbulent fluctuation campaign and shearing action, cutting gas and active sludge flco, produce the advantage of microbubble and enhancing sludge activity, obtain high oxygen transfer rate, and simple structure, reliable, advantage such as investment cost is low, great technology and economic potential in sewage disposal, had.Known jetting type aerating system structure is made up of jetting type aerator, water circulating pump, gas blower.Aerator will be sprayed onto the gas-liquid mixed chamber via water pipe, inner nozzle by the water of water circulating pump force feed, be jet after the air mixed of sending into by blast main with gas blower and penetrate from outer nozzle.The key of jetting type aerating system is structure of nozzle and distribution, and the difference that different nozzle arrangements and nozzle distribute has very big influence to the effect of aeration.Present nozzle arrangements is to make water and air mixed by resonator cavity, reaches the raising number of bubbles, reduces the effect of bubble volume, but structure is comparatively complicated, and volume is bigger, inconvenience maintenance and replacing.According to the effect that reality is used, existing nozzle arrangements still has further improved needs.
The utility model content
In order to improve the aeration effect of existing jetting type aerating system, increase the oxygenation rate, satisfy the needs of aeration area and aeration efficient simultaneously, the utility model provides a kind of jetting type aerating system, this aerating system is by the change to nozzle arrangements, can effectively improve the effect of aeration, especially the effect for deep aerating improves significantly, and is convenient to install and maintenance.。
Technical solutions of the utility model are: a kind of jetting type aerating system, comprise jetting type aerator, water circulating pump, gas blower and back-purge system, the outer nozzle of described jetting type aerator is connected with gas blower by inlet pipe, outer nozzle inner chamber rear portion is fixed with inner nozzle, and the water inlet pipe of inner nozzle end is communicated with water circulating pump; It is characterized in that between the axis of described inner nozzle and the outer nozzle axis angle of 5-10 degree being arranged, and in the conical cavity of its front end, be provided with the spiral stream guidance mechanism that can make inner nozzle ejection spirrillum current.
In the such scheme, described spiral stream guidance mechanism is by being provided with the inducer or the diversion trench of the bending of 2-6 bar on inner nozzle conical cavity inwall, thereby the spirrillum current of inner nozzle ejection are sprayed along the tangential direction of this deflector spiral-line.
In the such scheme, the outer nozzle axis is horizontal by 5-10 degree angle.
In the such scheme, back-purge system comprises water inlet pipe and rising pipe, and water pipe is connected with the water-in of water circulating pump by water intaking valve, and rising pipe is connected with the water circulating pump water outlet by outlet valve, and the rising pipe the other end is connected with the inner nozzle water inlet pipe; Be provided with two arm one and arms two that are connected usefulness between water inlet pipe and the rising pipe, be provided with valve in the middle of the arm one, two ends connect water pipe and water circulating pump water outlet respectively; Be provided with valve in the middle of the arm two, two ends connect water circulating pump water-in and rising pipe respectively.By opening and closing different valves, can control the normal aeration state of back-purge system and the switching of back flushing state: when the valve closes on arm one and the arm two and water intaking valve, outlet valve when opening, it is aeration that system is in normal operating conditions, water sucks water circulating pump by water inlet pipe, is sprayed by rising pipe; Valve opening on arm one and arm two and water intaking valve, when outlet valve is closed, system is in the back flushing state, water sucks water circulating pump by rising pipe, is discharged by water-in, reaches the purpose that not emptying Chi Shui can clear up tamper.
The utility model principle is, current in the inner nozzle are through the inducer ejection, become the spirrillum ejection by existing direct ejection, increased the ejection area of current, it is more abundant that it is contacted with air, and continue to advance behind the current contact outer nozzle tube wall, increase the duration of contact of current and air along spirrillum.Along the ejection of the tangential direction of spiral-line, the air mixed of sending in outer nozzle and inlet pipe also sprays current through the inner nozzle of associating.The axis of inner nozzle and outer nozzle is 5-10 degree angle, make current outside in the nozzle chamber break-in flow, increase the contact area and the duration of contact of water and air, allow outer nozzle play the effect of resonator cavity simultaneously.Outer nozzle makes high oxygen-containing water and bubble can be flushed to darker farther position horizontal by 5-10 degree angle, and air fully is dissolved in the water, and has stronger plug-flow effect.
The beneficial effects of the utility model are: this aerating system can effectively improve the effect of aeration by the change to nozzle arrangements, has the following advantages:
1. oxygenation rate height.
2. have good agitating function, can effectively avoid biological silt deposit, applied widely.
3. energy consumption is low, and running cost is little.
4. device structure is simple, and the installation and maintenance expense is lower.
5. back-purge system can be used, the difficulty that Chi Shui repairs need be drained when avoiding foreign matter to stop up.
6. it is required to satisfy deep aerating, can reduce the floor space of oxidation ditch deeply by increasing the pond.
Description of drawings:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the utility model inner nozzle spiral stream guidance mechanism structure synoptic diagram,
Fig. 2 is the axial section of the utility model inner and outer nozzles,
Fig. 3 is the utility model back-purge system fundamental diagram.
Among the figure: 1. inner nozzle water inlet pipe, 2. flange, 3. inner nozzle, 4. spiral stream guidance mechanism, 5. inlet pipe, 6. outer nozzle, 7. water inlet pipe, 8. rising pipe, 9. water circulating pump, the valve on 10 arms one, the valve on 11 arms two, 12 water intaking valves, 13, outlet valve.
Embodiment:
Referring to accompanying drawing 1,2 one kind of jetting type aerating system, comprise jetting type aerator, water circulating pump, gas blower and back-purge system, the outer nozzle 6 of described jetting type aerator is connected with gas blower by inlet pipe 5, outer nozzle 6 inner chamber rear portions are fixed with inner nozzle 3, inner nozzle water inlet pipe 1 is communicated with water circulating pump, inner nozzle and its water inlet pipe 1 are by being threaded, and outer nozzle is connected by flange 2 with inner nozzle water inlet pipe 1, easy access and replacing.The angle of 5-10 degree is arranged between the axis of inner nozzle 3 and outer nozzle 6 axis, and in the conical cavity of its front end, be provided with the spiral stream guidance mechanism 4 that can make inner nozzle 3 ejection spirrillum current.
Spiral stream guidance mechanism 4 is by being provided with the inducer of four bendings on inner nozzle 3 conical cavity inwalls, thereby the spirrillum current of inner nozzle 3 ejections are sprayed along the tangential direction of this deflector spiral-line.This mechanism has increased the ejection area of current, and it is more abundant that it is contacted with air, and continues to advance along spirrillum behind current contact outer nozzle 6 inwalls, increases the duration of contact of current and air
Current spray along spiral helicine tangential direction from inner nozzle 3 through spiral stream guidance mechanism 4 backs, and the air mixed of sending in outer nozzle 6 and inlet pipe 5 also sprays.Because inner nozzle 3 axis and outer nozzle 6 axis are 5-10 degree angle, current break-in in outer nozzle 3 is flowed, increase the contact area and the duration of contact of water and air, allow outer nozzle 6 play the effect of resonator cavity simultaneously.Outer nozzle 6 makes high oxygen-containing water and bubble can be flushed to darker farther position horizontal by 5-10 degree angle, and air fully is dissolved in the water, and has stronger plug-flow effect.
In Fig. 3, back-purge system comprises water inlet pipe 7 and rising pipe 8, and water pipe 7 is connected with the water-in of water circulating pump 9 by water intaking valve 12, and rising pipe 8 is connected with water circulating pump 9 water outlets by outlet valve 13, and rising pipe 8 the other ends are connected with water pipe 1; Be provided with two arm one and arms two that are connected usefulness between water inlet pipe 7 and the rising pipe 8, be provided with valve 10 in the middle of the arm one, two ends connect water pipe 7 and water circulating pump 9 water outlets respectively; Be provided with valve 11 in the middle of the arm two, two ends connect water circulating pump 9 water-ins and rising pipe 8 respectively.By opening and closing different valves, can control the normal aeration state of back-purge system and the switching of back flushing state: when valve 10,11 is closed and water intaking valve 12, outlet valve 13 when opening, it is aeration that system is in normal operating conditions, and water sucks water circulating pump 9 by water inlet pipe 7, by rising pipe 8 ejections; When valve 10,11 open and water intaking valve 12, when outlet valve 13 is closed, system is in self-cleaning type back flushing state, water sucks water circulating pumps 9 by rising pipe 8, is discharged by water-in 7, reaches the purpose that not emptying Chi Shui can clear up tamper.
Claims (5)
1. jetting type aerating system, comprise jetting type aerator, water circulating pump, gas blower and back-purge system, the outer nozzle of described jetting type aerator is connected with gas blower by inlet pipe, and outer nozzle inner chamber rear portion is fixed with inner nozzle, and the water inlet pipe of inner nozzle end is communicated with water circulating pump; It is characterized in that between the axis of described inner nozzle and the outer nozzle axis angle of 5-10 degree being arranged, and in the conical cavity of its front end, be provided with the spiral stream guidance mechanism that can make inner nozzle ejection spirrillum current.
2. a kind of jetting type aerating system according to claim 1, it is characterized in that described spiral stream guidance mechanism by the inducer or the diversion trench of the bending of 2-6 bar are set on inner nozzle conical cavity inwall, thereby the spirrillum current of inner nozzle ejection are sprayed along the tangential direction of this deflector spiral-line.
3. a kind of jetting type aerating system according to claim 1, the axis that it is characterized in that described outer nozzle is horizontal by 5-10 degree angle.
4. a kind of jetting type aerating system according to claim 1 is characterized in that described inner nozzle and its water inlet pipe by being threaded, and outer nozzle is connected by flange with the inner nozzle water inlet pipe.
5. jetting type aerating system according to claim 1, it is characterized in that back-purge system comprises water inlet pipe and rising pipe, water inlet pipe is connected with the water-in of water circulating pump by water intaking valve, rising pipe is connected with the water circulating pump water outlet by outlet valve, and the rising pipe the other end is connected with the inner nozzle water inlet pipe; Be provided with two arm one and arms two that are connected usefulness between water inlet pipe and the rising pipe, be provided with valve in the middle of the arm one, two ends connect water pipe and water circulating pump water outlet respectively; Be provided with valve in the middle of the arm two, two ends connect water circulating pump water-in and rising pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201307055U CN201240934Y (en) | 2008-07-18 | 2008-07-18 | Jet flow type aeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201307055U CN201240934Y (en) | 2008-07-18 | 2008-07-18 | Jet flow type aeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240934Y true CN201240934Y (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201307055U Expired - Fee Related CN201240934Y (en) | 2008-07-18 | 2008-07-18 | Jet flow type aeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201240934Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096505A (en) * | 2013-04-13 | 2014-10-15 | 江门市江海区雷迅太阳能科技有限公司 | Water-gas mixing and stirring device |
| CN104445658A (en) * | 2014-11-18 | 2015-03-25 | 四川邮科通信技术有限公司 | Hollow aerator dispersion disc for cable production sewage treatment |
| CN106006811A (en) * | 2016-06-20 | 2016-10-12 | 江苏金润环保工程有限公司 | Efficient air floating dissolving device |
| CN108411380A (en) * | 2018-04-25 | 2018-08-17 | 中宁县智才技术服务有限公司 | Wool high-efficiency washing mechanism |
| CN112827687A (en) * | 2020-12-30 | 2021-05-25 | 浙江工业大学 | Spiral pipeline oscillation atomizer based on bionic surface |
| CN114014451A (en) * | 2021-10-26 | 2022-02-08 | 上海复森环境科技发展有限公司 | High-shear-force high-efficiency jet aeration system and method |
| CN114988593A (en) * | 2022-05-05 | 2022-09-02 | 昆明有色冶金设计研究院股份公司 | Device for conveying surface water to deep layer for oxygenation |
-
2008
- 2008-07-18 CN CNU2008201307055U patent/CN201240934Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096505A (en) * | 2013-04-13 | 2014-10-15 | 江门市江海区雷迅太阳能科技有限公司 | Water-gas mixing and stirring device |
| CN104445658A (en) * | 2014-11-18 | 2015-03-25 | 四川邮科通信技术有限公司 | Hollow aerator dispersion disc for cable production sewage treatment |
| CN104445658B (en) * | 2014-11-18 | 2016-02-17 | 四川邮科通信技术有限公司 | A kind of hollow type aerator dispersion impeller for the process of cable production waste |
| CN106006811A (en) * | 2016-06-20 | 2016-10-12 | 江苏金润环保工程有限公司 | Efficient air floating dissolving device |
| CN108411380A (en) * | 2018-04-25 | 2018-08-17 | 中宁县智才技术服务有限公司 | Wool high-efficiency washing mechanism |
| CN112827687A (en) * | 2020-12-30 | 2021-05-25 | 浙江工业大学 | Spiral pipeline oscillation atomizer based on bionic surface |
| CN114014451A (en) * | 2021-10-26 | 2022-02-08 | 上海复森环境科技发展有限公司 | High-shear-force high-efficiency jet aeration system and method |
| CN114988593A (en) * | 2022-05-05 | 2022-09-02 | 昆明有色冶金设计研究院股份公司 | Device for conveying surface water to deep layer for oxygenation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20120718 |