CN204237618U - Water pressure energy gradient utilizes jet aerator - Google Patents
Water pressure energy gradient utilizes jet aerator Download PDFInfo
- Publication number
- CN204237618U CN204237618U CN201420707321.0U CN201420707321U CN204237618U CN 204237618 U CN204237618 U CN 204237618U CN 201420707321 U CN201420707321 U CN 201420707321U CN 204237618 U CN204237618 U CN 204237618U
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- China
- Prior art keywords
- nozzle
- air
- mixed solution
- aerator
- cavity
- Prior art date
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000005276 aerator Methods 0.000 title claims abstract description 35
- 239000011259 mixed solution Substances 0.000 claims abstract description 35
- 238000005273 aeration Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 239000010802 sludge Substances 0.000 abstract description 4
- 206010022000 influenza Diseases 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005842 biochemical reaction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Water pressure energy gradient for biochemical sewage aeration utilizes a jet aerator, comprises submersible pump, two gas circuit ring nozzle one-level air-intake, jet device, the radial secondary jets aerator of multi-nozzle, mixed solution conduit and air feeder; Described pair of gas circuit ring nozzle one-level air-intake, jet device comprises ejector liquid inlet, ejector gas inlet, suction chamber, trunnion, diffuser tube, ring nozzle, annular water chamber, interior air flue and exterior air drain; Described multi-nozzle radial secondary jets aerator comprises internal layer mixed solution and distributes cavity, outer air cavity, aerator gas inlet, entry to mixed solution, inner nozzle and outer nozzle; Described mixed solution tube at one end connects diffuser tube, and the other end connects entry to mixed solution.Two air flues are provided with in two gas circuit ring nozzle one-level air-intake, jet device, define current and the larger contact interface of air, the radial secondary jets aerator of multi-nozzle creates second spraying, sucks large quantity of air once again, facilitate active sludge circulation, improve rate of mass transfer.
Description
Technical field
The present invention relates to a kind of high-efficiency jet flow aeration device of sewage purification.Specifically water pressure energy gradient utilizes jet aerator.
Background technology
The usual Bian gas blower of aerating apparatus in conventional sewage treatment facility and air compressor by gas pipe line, by aeration head and aeration tube, air is converted into small bubbles and exposes to the sun in biochemical reactor.There is following shortcoming in this conventional aeration method: one is that efficiency is lower, two be aeration head easily block, fragile, maintain and replace difficulty, three is weak to heavy mud agitating function, have impact on rate of mass transfer in biochemical reaction process.Though current sudden emergence efflux aerator is much improved on agitating function than the above aeration method, long-time use must not be keeped in repair, install, easy to use and reliable.But used efflux aerator aeration efficiency is general lower, and air-breathing oxygenation function is not excavated very well, and gas-water ratio is generally less, and thus energy consumption is large.
Summary of the invention
The object of the invention is the aeration efficiency in order to better improve efflux aerator, strengthening biological process rate of mass transfer, thus realize efficient, energy-conservation improvement sewage, eliminate sewage to the harm of environment.
To achieve these goals, present invention employs following technical scheme:
Water pressure energy gradient for biochemical sewage aeration utilizes a jet aerator, comprises submersible pump, two gas circuit ring nozzle one-level air-intake, jet device, the radial secondary jets aerator of multi-nozzle, mixed solution conduit and air feeder;
Described pair of gas circuit ring nozzle one-level air-intake, jet device comprises ejector liquid inlet, ejector gas inlet, suction chamber, trunnion, diffuser tube, ring nozzle, annular water chamber, interior air flue and exterior air drain; According to fluid flow direction, described ejector gas inlet is arranged on foremost, is secondly suction chamber, is then trunnion, is finally diffuser tube; Ring nozzle is arranged in suction chamber, and the space between ring nozzle and suction chamber wall is exterior air drain, is provided with interior air flue in ring nozzle, and outside the wall of interior air flue, within the wall of ring nozzle, upper space is annular water chamber; Annular water chamber is provided with ejector liquid inlet; Ejector liquid inlet is connected with submersible pump;
Described multi-nozzle radial secondary jets aerator comprises internal layer mixed solution and distributes cavity, outer air cavity, aerator gas inlet, entry to mixed solution, inner nozzle and outer nozzle; Internal layer mixed solution distributes that cavity is nested is arranged in outer air cavity; Outer air cavity end face is provided with aerator gas inlet, multiple outer nozzle with radial around being arranged on outer air cavity annular wall; Internal layer mixed solution distributes cavity bottom surface and is provided with entry to mixed solution, and multiple inner nozzle distributes on cavity circulator wall with radial around being arranged on internal layer mixed solution; The central axis of each inner nozzle and the central axes of outer nozzle;
Described mixed solution tube at one end connects diffuser tube, and the other end connects entry to mixed solution;
Described air feeder comprises gas-holder and Aeration fan, and gas-holder is connected with ejector gas inlet by the first inlet pipe; Gas-holder is connected with aerator gas inlet by the second inlet pipe.
The exit diameter of described inner nozzle is less than the exit diameter of outer nozzle.
Compared with prior art, the beneficial effect that possesses of the present invention:
Two air flues are provided with in two gas circuit ring nozzle one-level air-intake, jet device, annular water bundle sprays from inside and outside air flue crack, define current and the larger contact interface of air, the air be inhaled under identical hydraulic pressure, water yield condition increases, ooze mixed air by trunnion fierceness and change into countless microbubble, gas, water contact interface increase substantially, and facilitate water body over-saturation dissolved oxygen, in diffuser tube, high-speed mixing fluid dynamic energy is converted into pressure energy, and just hydraulic pressure decreased than originally.
Mixed solution through the radial secondary jets aerator of multi-nozzle distributes cavity, second spraying is created at inner nozzle, suck large quantity of air once again, water, gas ratio is increased substantially, strong stirring effect is also produced while high efficient aeration, facilitate active sludge circulation, improve rate of mass transfer, thus enhance the function of biochemical reaction.
Accompanying drawing explanation
Fig. 1 is that water pressure energy gradient of the present invention utilizes jet aerator front view.
Fig. 2 is the front view of of the present invention pair of gas circuit ring nozzle one-level air-intake, jet device.
Fig. 3 is the vertical view of the radial secondary jets aerator of multi-nozzle of the present invention.
Embodiment
Below by embodiment, technical scheme of the present invention is further elaborated.
Embodiment 1
Water pressure energy gradient for biochemical sewage aeration utilizes a jet aerator, comprises submersible pump 1, two gas circuit ring nozzle one-level air-intake, jet device 36, the radial secondary jets aerator 35 of multi-nozzle, mixed solution conduit 10 and air feeder 37;
Described pair of gas circuit ring nozzle one-level air-intake, jet device 36 comprises ejector liquid inlet 2, ejector gas inlet 31, suction chamber 32, trunnion 8, diffuser tube 9, ring nozzle 4, annular water chamber 3, interior air flue 6 and exterior air drain 7; According to fluid flow direction, described ejector gas inlet 31 is arranged on foremost, is secondly suction chamber 32, is then trunnion 8, is finally diffuser tube 9; Ring nozzle 4 is arranged in suction chamber 32, and the space between ring nozzle 4 and suction chamber 32 wall is exterior air drain 7, is provided with interior air flue 6 in ring nozzle 4, and outside the wall of interior air flue 6, within the wall of ring nozzle 4, upper space is annular water chamber 3; Annular water chamber 3 is provided with ejector liquid inlet 2; Ejector liquid inlet 2 is connected with submersible pump 1;
Described multi-nozzle radial secondary jets aerator 35 comprises internal layer mixed solution and distributes cavity 11, outer air cavity 14, aerator gas inlet 33, entry to mixed solution 34, inner nozzle 12 and outer nozzle 13; Internal layer mixed solution distributes that cavity 11 is nested is arranged in outer air cavity 14; Outer air cavity 14 end face is provided with aerator gas inlet 33, multiple outer nozzle 13 with radial around being arranged on the annular wall of outer air cavity 14; Internal layer mixed solution distributes cavity 11 bottom surface and is provided with entry to mixed solution 34, and multiple inner nozzle 12 distributes on the annular wall of cavity 11 with radial around being arranged on internal layer mixed solution; The central axis of inner nozzle 12 and the central axes of outer nozzle 13;
Described mixed solution conduit 10 one end connects diffuser tube 9, and the other end connects entry to mixed solution 34;
Described air feeder 37 comprises gas-holder 17 and Aeration fan 19, and gas-holder 17 is connected with ejector gas inlet 31 by the first inlet pipe 5; Gas-holder 17 is connected with aerator gas inlet 33 by the second inlet pipe 15.
The exit diameter of described inner nozzle 12 is less than the exit diameter of outer nozzle 13.
Principle of work:
By submersible pump 1 suction pit bottom sludge water, pressurize through submersible pump 1 and changes mechanical energy become water pressure energy.Current through ejector liquid inlet 2, the ejection at a high speed of ring-type water cavity 3 and ring nozzle 4, ejection current hollow water column ringwise.It is inner and outside that air enters annular hollow water column from interior air flue 6, exterior air drain 7 respectively from the first inlet pipe 5, and annular water flow and air contact surfaces increase, and the inspiratory capacity increase of jet effect generation, sucks air capacity from the first inlet pipe 5 more than conventional jet device.High-velocity fluid in trunnion 8 is sheared, wash away powerful blending under, suck air and be broken into countless microbubble, in diffuser tube 9, define next gradient mixed stream water pressure energy.Spouting once again through mixed solution conduit 10, outer mixed solution distribution cavity 11 and inner nozzle 12.In outer nozzle 13, form negative pressure, the air entered through inlet mouth 20 pressurizes through aeration blower 19, and after compression, air is through pneumatic tube 18 energy-storing pressure-stabilizing in gas-holder 17, is injected in outer air chamber 14 by air supply header 16, second inlet pipe 15.In outer nozzle 13 the powerful cutting of mixed stream, ooze mixed under make air develop into thousands of micro bubbles, in composition mixed stream, air capacity is much larger than the water yield, washes away under energy promotes at mixed stream, has broken to sink mud static relays at the bottom of pond.Jet hole is powerful washes away stream, countless microbubble buoyancy lift formation air lift function, under adding that fluid entrainments the resultant force effect of backflow phenomenon, constitute the powerful dynamic circulation of water body in reaction tank, the bubble of the water surface of making will to overflow in a large number is involved in again in water body again and again, substantially prolongs bubble residence time in water body.Facilitate organic in sewage and active sludge and dissolved oxygen touch opportunity.Enhance the rate of mass transfer of biochemical reaction process, impel biochemical sewage degradation function to have new raising.21 is secondary jets aerator support.
Because suction chamber 32 inside of two gas circuit ring nozzle one-level air-intake, jet device 36 is provided with two air flues, annular water bundle sprays from inside and outside air flue crack, defines current and the larger contact interface of air, impels suction air capacity to increase.Again through the radial secondary jets aerator 25 of multi-nozzle, can fully excavate mixed stream kinetic energy, spray energy by means of secondary jet and suck more air, impel water-gas ratio to increase substantially.
The present invention provides except water pressure energy except submersible pump 1; The injecting process water pressure energy also can be utilized to drive this device to carry out aeration.Water injection pipe water pressure energy must be suitable with submersible pump 1 lift.Water injection pipe can be connected on submersible pump ejector liquid inlet 2.This operation scheme of Bian, must install a check valve respectively at submersible pump water outlet and water injection pipe inlet end.Such two kinds of type of drive all can form satisfied aeration effect, can be used as a kind of high efficient aeration equipment of middle-size and small-size sewage works technological transformation.
Claims (2)
1. the water pressure energy gradient for biochemical sewage aeration utilizes a jet aerator, it is characterized in that, comprises submersible pump, two gas circuit ring nozzle one-level air-intake, jet device, the radial secondary jets aerator of multi-nozzle, mixed solution conduit and air feeder;
Described pair of gas circuit ring nozzle one-level air-intake, jet device comprises ejector liquid inlet, ejector gas inlet, suction chamber, trunnion, diffuser tube, ring nozzle, annular water chamber, interior air flue and exterior air drain; According to fluid flow direction, described ejector gas inlet is arranged on foremost, is secondly suction chamber, is then trunnion, is finally diffuser tube; Ring nozzle is arranged in suction chamber, and the space between ring nozzle and suction chamber wall is exterior air drain, is provided with interior air flue in ring nozzle, and outside the wall of interior air flue, within the wall of ring nozzle, upper space is annular water chamber; Annular water chamber is provided with ejector liquid inlet; Ejector liquid inlet is connected with submersible pump;
Described multi-nozzle radial secondary jets aerator comprises internal layer mixed solution and distributes cavity, outer air cavity, aerator gas inlet, entry to mixed solution, inner nozzle and outer nozzle; Internal layer mixed solution distributes that cavity is nested is arranged in outer air cavity; Outer air cavity end face is provided with aerator gas inlet, multiple outer nozzle with radial around being arranged on outer air cavity annular wall; Internal layer mixed solution distributes cavity bottom surface and is provided with entry to mixed solution, and multiple inner nozzle distributes on cavity circulator wall with radial around being arranged on internal layer mixed solution; The central axis of each inner nozzle and the central axes of outer nozzle;
Described mixed solution tube at one end connects diffuser tube, and the other end connects entry to mixed solution;
Described air feeder comprises gas-holder and Aeration fan, and gas-holder is connected with ejector gas inlet by the first inlet pipe; Gas-holder is connected with aerator gas inlet by the second inlet pipe.
2. water pressure energy gradient as claimed in claim 1 utilizes jet aerator, and it is characterized in that, the exit diameter of described inner nozzle is less than the exit diameter of outer nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707321.0U CN204237618U (en) | 2014-11-21 | 2014-11-21 | Water pressure energy gradient utilizes jet aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707321.0U CN204237618U (en) | 2014-11-21 | 2014-11-21 | Water pressure energy gradient utilizes jet aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204237618U true CN204237618U (en) | 2015-04-01 |
Family
ID=52767135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420707321.0U Expired - Fee Related CN204237618U (en) | 2014-11-21 | 2014-11-21 | Water pressure energy gradient utilizes jet aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204237618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098971A1 (en) * | 2016-12-02 | 2018-06-07 | 江苏申江环境科技有限公司 | Aeration tank resin-based spraying device for water treatment |
| CN113307363A (en) * | 2021-07-03 | 2021-08-27 | 郭孝国 | Aeration device |
-
2014
- 2014-11-21 CN CN201420707321.0U patent/CN204237618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098971A1 (en) * | 2016-12-02 | 2018-06-07 | 江苏申江环境科技有限公司 | Aeration tank resin-based spraying device for water treatment |
| CN113307363A (en) * | 2021-07-03 | 2021-08-27 | 郭孝国 | Aeration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20201121 |