CN206051702U - Quiet jet aerator - Google Patents
Quiet jet aerator Download PDFInfo
- Publication number
- CN206051702U CN206051702U CN201621058533.6U CN201621058533U CN206051702U CN 206051702 U CN206051702 U CN 206051702U CN 201621058533 U CN201621058533 U CN 201621058533U CN 206051702 U CN206051702 U CN 206051702U
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- CN
- China
- Prior art keywords
- air
- mixing wastewater
- room
- jet aerator
- shower nozzle
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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.)
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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 discloses a kind of quiet jet aerator, including shower nozzle (5) mixing wastewater with air room (6), mixing wastewater with air room (6) are below shower nozzle (5), it is characterised in that：The trunnion (7) connected with mixing wastewater with air room (6) is provided with below mixing wastewater with air room (6), the trunnion (7) is up big and down small bell-mouth structure of air.Originally practical beneficial effect is：(1) in same category of device device, oxygen conversion ratio under conditions of equal-wattage, is improve, dynamic efficiency is accordingly improved, and then also improves the disposal ability of oxic activated sludge process technology；(2) middle low frequency noise is effectively reduced, total noise reduces by 50～60 decibels till now by 80～100 decibels before, solves the problem of noise pollution of jet aerator.
Description
Technical field
This utility model is related to technical field of sewage, and in particular to jet aerator.
Background technology
Jet-flow aeration, is a kind of mode of sewage disposal aerobic section aeration aerating, compared to other such as micro-pore aerations, is dived
Hardly there is blocking in the aeration modes such as water aeration, surface aerating machine, jet-flow aeration, almost without the need for dimension within the long service life phase
Shield, being capable of constant, stable, efficiently oxygen supply.It is mainly used in municipal sewage treatment, the aerobic activity of industrial organic waste water process
Sludge field, key technology are practically applicable to any type of aerobic activated sludge process oxygen supply aeration and increase setting for dissolved oxygen purposes
It is standby.Jet aerator equipment is widely used in the aerobic sludge aeration that municipal sewage treatment and organic industrial sewage are processed at present
Field.
The structure and lacuna of existing jet aerator for convenience of description, refer to that this utility model in Fig. 1 provides are quiet
Jet aerator structure (Fig. 1 is structural representation of the present utility model).Existing jet aerator includes that shower nozzle 5, air water is mixed
Close the air duct of room 6, (relative to the upper air passage 3 in this utility model), mixing wastewater with air room 6 is by by one
Air duct air inlet, is then directly being excluded by dissolved air water outlet pipe 2.
The main efficacy results defect that jet aerator equipment is present in the application：Oxygen conversion ratio is low, and noise of equipment is big.The master
Want effect defect to be caused by the technological deficiency of equipment：
1st, jet aerator air inlet passage only one of which, air inlet section are little, and flow velocity is too fast, thus design unreasonable,
Cause air mass flow not enough, and air water occur in mixing wastewater with air room (6) only to converge, there is deficiency in the time of mixing and space；
2nd, impact of the noise to surrounding is not accounted for, hence without being designed with noise-reducing structure.
Utility model content
The technical problems to be solved in the utility model is：Jet aerator equipment oxygen conversion ratio is low and noise of equipment is big at present
Problem.
To achieve the above object of the invention, the technical scheme adopted by this utility model for：Expose there is provided a kind of quiet jet
Gas device, including shower nozzle mixing wastewater with air room, mixing wastewater with air room are located at below shower nozzle, are provided with mixed with air water below mixing wastewater with air room
The trunnion of room connection is closed, the trunnion is up big and down small bell-mouth structure of air.
Mixing wastewater with air room is up big and down small bell-mouth structure of air.
Silencing apparatus are enclosed with the outside of the shower nozzle and air water mixing chamber, the silencing apparatus include that acoustic filter disappears with
Sound device, upper acoustic filter and lower acoustic filter share a shell；
Upper acoustic filter is arranged on shell top half, including upper air passage, is provided with and disappears in the upper air passage
Tone chamber, the air intake of upper air passage are provided with porous plate, and upper anechoic chamber is porous plate with the separating surface of upper air passage,
The air intake and atmosphere of upper air passage, the outlet of upper air passage are connected with mixing wastewater with air room；
Lower acoustic filter is arranged on shell the latter half, including lower air duct, is provided with down and disappears in the lower air duct
Tone chamber, the air intake of lower air duct are provided with porous plate, and lower anechoic chamber is porous plate with the separating surface of lower air duct,
The air intake and atmosphere of lower air duct, the outlet of lower air duct are connected with mixing wastewater with air room.
Porous plate is separated between lower anechoic chamber and mixing wastewater with air room.
It is provided with the top of the silencing apparatus for placing rainwater into the protective cover of silencing apparatus.
The silencing apparatus are cylindrical structure, and each described porous plate therein is the circular tube structure with shower nozzle concentric,
Shell is the cylindrical structure with shower nozzle concentric.
Originally practical beneficial effect is：
(1) two channel inlets are crossed, increase mixing wastewater with air room, and trunnion is increased below mixing wastewater with air room, so,
One times of air inflow is not only increased, and is spread in the convolution of throat section air water, moreover it is possible to carried out air water again and converge, mixing
One times of time and space extending；Therefore, in same category of device device, oxygen conversion ratio, power under conditions of equal-wattage, are improve
Efficiency is also accordingly improved, and then also improves the disposal ability of oxic activated sludge process technology；Simultaneously as current convolution
Diffusion, water velocity are reduced, and the noise caused by water impact air and equipment also lowers therewith；
(2) resistive noise reduction is realized with orifice plate, realize resistant noise-reducing with anechoic room, effectively reduce middle low frequency noise, always make an uproar
Sound reduces by 50～60 decibels till now by 80～100 decibels before, solves the problem of noise pollution of jet aerator.
Description of the drawings
Fig. 1 is structural representation of the present utility model, and in Fig. 1, dotted arrow shows the flow path of air；
Fig. 2 is overlooking the structure diagram of the present utility model；
Wherein, water inlet pipe (1), dissolved air water outlet pipe (2), upper air passage (3), lower air duct (4), shower nozzle (5), gas
Water mixing chamber (6), trunnion (7), upper anechoic chamber (81), lower anechoic chamber (82), porous plate (9), protective cover (10), shell (12).
Specific embodiment
As illustrated in fig. 1 and 2,5 mixing wastewater with air room 6 of the quiet jet aerator, including shower nozzle, mixing wastewater with air room 6 are located at spray
Below 5, the lower section of mixing wastewater with air room 6 is provided with the trunnion 7 connected with mixing wastewater with air room 6, and the trunnion 7 is up big and down small
Bell-mouth structure of air.Mixing wastewater with air room 6 is up big and down small bell-mouth structure of air.
The quiet jet aerator includes the two-stage bell-mouth structure of air connected by mixing wastewater with air room 6 and trunnion 7, sprays at a high speed
And the air of the water and suction for spreading decompression can also circle round at trunnion 7 mixing.Which adds the mixed running road of air water
Footpath, extends time and the space of one times of mixing.Improve oxygen conversion ratio and dynamic efficiency.Simultaneously as current convolution is expanded
Dissipate, water velocity is reduced, the noise caused by water impact air and equipment also lowers therewith；
In order to solve the problem of noise pollution of jet aerator, noise, the shower nozzle 5 and air water mixing chamber are effectively reduced
Silencing apparatus are enclosed with the outside of 6.
The silencing apparatus include that acoustic filter and lower acoustic filter, upper acoustic filter and lower acoustic filter share a shell 12.
Upper acoustic filter is arranged on 12 top half of shell, including upper air passage 3, is provided with the upper air passage 4
Upper anechoic chamber 81, the air intake of upper air passage 3 are provided with the separating surface of porous plate 9, upper anechoic chamber 81 and upper air passage 3
Porous plate 9 is, the air intake and atmosphere of upper air passage 3, outlet and the mixing wastewater with air room 6 of upper air passage 3 connect
It is logical.
Lower acoustic filter is arranged on 12 the latter half of shell, including lower air duct 4, is provided with the lower air duct 4
Lower anechoic chamber 82, the air intake of lower air duct 4 are provided with porous plate 9, the separating surface of lower anechoic chamber 82 and lower air duct 4
Porous plate 9 is, the air intake and atmosphere of lower air duct 4, outlet and the mixing wastewater with air room 6 of lower air duct 4 connect
It is logical.
In the present embodiment, water inlet pipe 1 is connected with above trunnion 7, dissolved air water outlet pipe 2 below trunnion 7, is connected with, according to institute
The part for stating the size of silencing apparatus, water inlet pipe 1 and dissolved air water outlet pipe 2 is likely to be wrapped in the silencing apparatus.
Each air duct is all set to cranky as far as possible, and air all must be through anechoic chamber 82, such energy
Sound wave is collided reflection as far as possible and is consumed by each porous plate, each anechoic chamber, soundproof effect can be improved as far as possible.
In order to further provide for soundproof effect, between lower anechoic chamber 82 and mixing wastewater with air room 6 between be separated with porous plate 9.
It is provided with the top of the silencing apparatus for placing rainwater into the protective cover 10 of silencing apparatus.
The silencing apparatus are cylindrical structure, and each described porous plate 9 therein is the pipe knot with 5 concentric of shower nozzle
Structure, shell 12 are the cylindrical structure with 5 concentric of shower nozzle.
The quiet jet aerator adopts the upper and lower dual pathways air inlet of cylindrical structure periphery, increased one times of air inflow,
Same category of device device, improves oxygen conversion ratio and dynamic efficiency under conditions of equal-wattage.
Meanwhile, the quiet jet aerator realizes resistive noise reduction using orifice plate, realizes resistant noise-reducing using anechoic room, effectively
Middle low frequency noise is reduced, total noise reduces by 50～60 decibels till now by 80～100 decibels before, solves jet-flow aeration
The problem of noise pollution of device.
The quiet jet aerator can be applied in combination with gas-solution water generator, can be consumed during molten gas is supplemented again
Oxygen, it will OTR is improved to Wastewater Treated by Activated Sludge Process technological system and is created conditions.
The quiet jet aerator can extensively be practically applicable to the circle using aerobic aeration aerobic activated sludge process, rectangle, length
The variously-shaped structures such as square, square or machinery.
The specification and drawings of utility model are considered as illustrative and not restrictive, disclosed in this utility model
On the basis of technical scheme, those skilled in the art is according to disclosed technology contents, it is not necessary to which performing creative labour can
Replaced and deformation so that some are made to some of them technical characteristic, these are replaced and deform in protection domain of the present utility model
It is interior.
Claims (6)
1. quiet jet aerator, including shower nozzle (5) mixing wastewater with air room (6), mixing wastewater with air room (6) below shower nozzle (5), its
It is characterised by：The trunnion (7) connected with mixing wastewater with air room (6) is provided with below mixing wastewater with air room (6), the trunnion (7) is
Up big and down small bell-mouth structure of air.
2. quiet jet aerator according to claim 1, it is characterised in that：Mixing wastewater with air room (6) is up big and down small
Bell-mouth structure of air.
3. quiet jet aerator according to claim 1 and 2, it is characterised in that：The shower nozzle (5) and air water mixing chamber
(6) silencing apparatus are enclosed with the outside of, the silencing apparatus include acoustic filter and lower acoustic filter, upper acoustic filter and lower acoustic filter altogether
With a shell (12)；
Upper acoustic filter is arranged in being arranged on shell (12) top half, including upper air passage (3), the upper air passage (4)
You Shang anechoic chambers (81), the air intake of upper air passage (3) are provided with porous plate (9), and upper anechoic chamber (81) is logical with upper air
The separating surface in road (3) is porous plate (9), the air intake and atmosphere of upper air passage (3), upper air passage (3)
Outlet is connected with mixing wastewater with air room (6)；
Lower acoustic filter is arranged in being arranged on shell (12) the latter half, including lower air duct (4), the lower air duct (4)
You Xia anechoic chambers (82), the air intake of lower air duct (4) are provided with porous plate (9), and lower anechoic chamber (82) is logical with lower air
The separating surface in road (4) is porous plate (9), the air intake and atmosphere of lower air duct (4), lower air duct (4)
Outlet is connected with mixing wastewater with air room (6).
4. quiet jet aerator according to claim 3, it is characterised in that：Lower anechoic chamber (82) and mixing wastewater with air room
(6) porous plate (9) is separated between.
5. quiet jet aerator according to claim 3, it is characterised in that：Be provided with the top of the silencing apparatus for
Place the protective cover (10) that rainwater enters silencing apparatus.
6. quiet jet aerator according to claim 3, it is characterised in that：The silencing apparatus are cylindrical structure, its
In each described porous plate (9) be circular tube structure with shower nozzle (5) concentric, shell (12) is and shower nozzle (5) concentric
Cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058533.6U CN206051702U (en) | 2016-09-18 | 2016-09-18 | Quiet jet aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058533.6U CN206051702U (en) | 2016-09-18 | 2016-09-18 | Quiet jet aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051702U true CN206051702U (en) | 2017-03-29 |
Family
ID=58371377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058533.6U Active CN206051702U (en) | 2016-09-18 | 2016-09-18 | Quiet jet aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051702U (en) |
-
2016
- 2016-09-18 CN CN201621058533.6U patent/CN206051702U/en active Active
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