CN207726807U - The jet aerator improved structure of self-cleaning tank - Google Patents
The jet aerator improved structure of self-cleaning tank Download PDFInfo
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- CN207726807U CN207726807U CN201721773176.6U CN201721773176U CN207726807U CN 207726807 U CN207726807 U CN 207726807U CN 201721773176 U CN201721773176 U CN 201721773176U CN 207726807 U CN207726807 U CN 207726807U
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- pipe
- air
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- liquid mixed
- jet
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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 the jet aerator improved structures of self-cleaning tank, including air suction chamber, the quantity of the air suction chamber is 2, the air-breathing mouthpiece of each air suction chamber is respectively positioned on the top of air suction chamber, there are one gas-liquid mixed pipes for setting between 2 air suction chambers, the both ends of the gas-liquid mixed pipe are respectively placed in the inside of 2 air suction chambers, the interior caliber of its end reduces along its axis towards the dimension linear close to air suction chamber, there are one air jet pipe and a sparge pipes for setting in the circumferential side wall of gas-liquid mixed pipe, the central axis of air jet pipe and sparge pipe overlaps and the central axis upright with gas-liquid mixed pipe simultaneously, the interior caliber of the air jet pipe and sparge pipe reduces along its axis towards the dimension linear close to gas-liquid mixed pipe.The mixed liquor oxygen absorben effect that the utility model solves existing jet aerator is poor, the problem that mixed liquor jet drive cost is higher, ejection efficiency is relatively low.
Description
Technical field
The utility model is related to a kind of jet aerators, and in particular to the jet aerator improved structure of self-cleaning tank.
Background technology
Jet-flow aeration is a kind of aeration mode of current biochemical wastewater treatment application, it has good oxygen transfer：Oxygen
Utilization rate is high, up to 15%~30%.Jet aerator is the waste plant being aerated into aeration tank, is the life of waste water activated sludge process
One type of object processing system aerator.Mud, water mixed liquid are squeezed into jet aerator nozzle by water pump, and high speed is sprayed
Go out, in jet aerator, the realization of oxygen transfer process is to make compressed air (or air around this jet aerator nozzle
Be directly sucked in) mix with muddy water mixed solution and stirred strongly in shouting pipe, bubble is ground into mist, then in diffuser by
Become pressure head in kinetic head, micro air bubble is further compressed, and oxygen is quickly transferred to mixed liquor, to enhance the transfer of oxygen
Journey.
Mud, water mixed liquid jet energy to postorder oxygen uptake transfer effect have significant impact, existing jet aerator
Mixed liquor mixed effect it is poor, for enable driving mud, water mixed liquid high speed, uniformly spray, needs power it is larger, institute
The driving cost needed is higher, and can only interval period sprayed, ejection efficiency is relatively low, and the transfer efficiency of oxygen is at most only
It can be up to 15%~30%.
Utility model content
The purpose of this utility model is to provide the jet aerator improved structures of self-cleaning tank, solve existing jet stream and expose
The mixed liquor oxygen absorben effect of gas device is poor, the problem that mixed liquor jet drive cost is higher, ejection efficiency is relatively low.
The utility model is achieved through the following technical solutions：
The quantity of the jet aerator improved structure of self-cleaning tank, including air suction chamber, the air suction chamber is 2,
The air-breathing mouthpiece of each air suction chamber is respectively positioned on the top of air suction chamber, between 2 air suction chambers there are one settings
The both ends of gas-liquid mixed pipe, the gas-liquid mixed pipe are respectively placed in the inside of 2 air suction chambers, and the interior caliber of end is along it
Axis reduces towards the dimension linear close to air suction chamber, in the circumferential side wall of gas-liquid mixed pipe setting there are one air jet pipe and
The central axis of one sparge pipe, air jet pipe and sparge pipe overlaps and the central axis upright with gas-liquid mixed pipe simultaneously,
The interior caliber of the air jet pipe and sparge pipe reduces along its axis towards the dimension linear close to gas-liquid mixed pipe.
For the above technical problem, the utility model is improved existing jet aerator so that it can same
Time both ends, which are oxygenated and shift, sprays air bubble into water, so compared with prior art, is greatly improved jet aerator
Ejection efficiency is improved at least twice；Improved structure also improves the oxygen absorben effect of mixed liquor simultaneously, and reduces it
Jet drive cost.Specifically, it is two air-breathing cavitys to increase, and gas-liquid mixed pipe, gas-liquid are set between two air-breathing cavitys
Be respectively set air jet pipe and sparge pipe on mixing tube, air jet pipe and sparge pipe with communicated inside gas-liquid mixed pipe and form ten
Font spout structure；When work, the mud after mixing, water mixed liquid are squeezed into sparge pipe, while air is squeezed into air jet pipe, by
It overlaps in the central axis of air jet pipe and sparge pipe and the central axis upright with gas-liquid mixed pipe simultaneously so that while into
Entering the continuous vertical collision of the gas and liquid jet in gas-liquid mixed pipe, this collision is happened inside liquid phase, and fierce two
Phase micromixing occurs in the moment that they meet, and is subsequently formed the two-phase fluid of one high intensity turbulence, and rapidly to gas
Liquid mixing tube wall surface horizontal movement, in dual-phase jet is from gas-liquid mixed pipe to the stroke of air suction chamber, it is divided into continuously
The gas phase of liquid phase and dispersion, at this point, extraneous air enters air suction intracavitary portion further through air-breathing mouthpiece, extraneous air is from sky
Enter at the top of aspiration air cavity, be located above liquid phase, the energy of this strand of jet stream adds buoyancy so that the gas phase of dispersion and outside are empty
Qi leel is distributed in the liquid phase of entire air suction chamber, is sprayed eventually by nozzle.The above whole process, mixed liquor have been wrapped up from spray
The air bubble entered in the bubble and air suction chamber that enter in tracheae greatly improves the oxygen uptake effect of jet aerator
Fruit, while the impact force that generates of while being bumped against using gas-liquid drives mixed liquor to spray, and compared with prior art, greatly reduces driving
Cost, solves that existing mixed liquor oxygen absorben effect is poor, mixed liquor jet drive cost is higher, ejection efficiency is lower asks
Topic, it is economical and practical.
In addition, before collision, in order to improve collision effect, when air and mixed liquor are respectively since air jet pipe and sparge pipe
When slit is sprayed with thin layer gas and liquid form, two strands of jet streams are by special sizing, the inner tube such as design of air jet pipe and sparge pipe
For platypelloid type, and the nozzle of air jet pipe and sparge pipe is both designed as decrement mouth structure, considerably increases thin layer gas or liquid spray
Speed when shooting out, improves collision effect.
Two buffer gears are additionally provided on the outside of the tube wall of gas-liquid mixed pipe, two buffer gears are about gas-liquid mixed pipe
Central axis is symmetrical and is fixed respectively with air jet pipe and sparge pipe.Air and mixed liquor are respectively since air jet pipe and sparge pipe enter gas
When liquid mixing tube collides, impinging fluid can avoid one radial impact force of generation to gas-liquid mixed pipe so that gas-liquid mixed pipe
Generate oscillation, the final path influenced when collision injection gas-liquid fluid enters air suction chamber.For the problem, the utility model
Two buffer gears are increased, buffer gear is symmetrical about the central axis of gas-liquid mixed pipe, when gas-liquid mixed pipe is impacted
Force effect wherein on a buffer gear when, own resilience can be leaned on towards close to gas-liquid mixed by the buffer gear of impact force
The direction of pipe moves, while another buffer gear can be also stretched when gas-liquid mixed pipe polarizes, and can also lean on and itself return
Elastic force is moved towards the direction far from gas-liquid mixed pipe, and two buffer gear interactions are final so that punching on gas-liquid mixed pipe
Hit power to be buffered, the balance of gas-liquid mixed pipe can be kept, solve gas-liquid mixed pipe oscillation when, collision injection gas-liquid fluid into
The problem of path when entering air suction chamber is affected.
Preferably, the buffer gear includes that the first firm ring being sleeved on air jet pipe or sparge pipe and second are firm
Ring, one end of the first firm ring and gas-liquid mixed pipe circumferential side wall are fixed, the other end is steady by spring buffer part and second
Gu the end of ring is fixed, the second firm ring is connect by screw thread with air jet pipe or sparge pipe.The above is buffer gear
Concrete structure.Second firm ring is connect by screw thread with air jet pipe or sparge pipe, and cleaning air jet pipe or sparge pipe are conveniently shirked.
Preferably, the spring buffer part includes support tube and casing, support tube be placed in casing and its both ends respectively with
First firm ring and the second firm ring are fixed, and helical spring is additionally provided between support tube and casing, the helical spring
Central axis is overlapped with the center line of support tube.Helical spring works as a buffer, and casing can protect support tube and helical spring, prolong
Stability when its long buffering, avoids camber of spring, is finally reached the effect for the service life for extending spring buffer part.
Be additionally provided with nozzle in the side of each air suction chamber, the central axis of the nozzle in gas-liquid mixed pipe
Mandrel line overlaps.Further, it has wrapped up after the air bubble entered in the bubble and air suction chamber entered in air jet pipe
Mixed liquor from touch mouthpiece spray, the central axis of nozzle is overlapped with the central axis of gas-liquid mixed pipe so that gas-liquid mixed
Mixed liquor before the impact force that the gas and liquid mixture that pipe sprays generates can push moves, and improves ejection efficiency.
The utility model compared with prior art, has the following advantages and advantages：
1, the jet aerator improved structure of the utility model self-cleaning tank, allows jet aerator in the same time two
Head, which is oxygenated and shifts, sprays air bubble into water, so compared with prior art, is greatly improved the injection effect of jet aerator
Rate is improved at least twice, while improved structure also improves the oxygen absorben effect of mixed liquor, and is reduced its injection and driven
Dynamic cost, it is economical and practical；
2, the jet aerator improved structure of the utility model self-cleaning tank, is additionally provided on the outside of the tube wall of gas-liquid mixed pipe
Two buffer gears, can keep the balance of gas-liquid mixed pipe, solve gas-liquid mixed pipe oscillation when, collision injection gas-liquid fluid into
The problem of path when entering air suction chamber is affected；
3, the jet aerator improved structure of the utility model self-cleaning tank is also set up in the side of each air suction chamber
There is nozzle, the central axis of the nozzle to be overlapped with the central axis of gas-liquid mixed pipe, can into one raising ejection efficiency
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model buffer gear.
Label and corresponding parts title in attached drawing：
1- air suction chambers, 2- gas-liquid mixed pipes, 3- air jet pipes, 4- sparge pipes, 5- first consolidate ring, and 6- second is firm
Ring, 7- support tubes, 8- casings, 9- helical springs, 10- nozzles.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Fig. 1~2, the jet aerator improved structure of the utility model self-cleaning tank, including air suction chamber 1,
The quantity of the air suction chamber 1 is 2, and the air-breathing mouthpiece of each air suction chamber 1 is respectively positioned on the top of air suction chamber 1,2
There are one gas-liquid mixed pipes 2, the both ends of the gas-liquid mixed pipe 2 to be respectively placed in 2 air and inhale for setting between a air suction chamber 1
The interior caliber of the inside of air cavity 1, end reduces along its axis towards the dimension linear close to air suction chamber 1, in gas-liquid mixed
The central axis of air jet pipe 3 and a sparge pipe 4 there are one being arranged in the circumferential side wall of pipe 2, air jet pipe 3 and sparge pipe 4 is mutual
The interior caliber of coincidence and the simultaneously central axis upright with gas-liquid mixed pipe 2, the air jet pipe 3 and sparge pipe 4 is along its axis court
Dimension linear close to gas-liquid mixed pipe 2 reduces.It is additionally provided with two buffer gears on the outside of the tube wall of gas-liquid mixed pipe 2, two
Buffer gear is symmetrical about the central axis of gas-liquid mixed pipe 2 and is fixed respectively with air jet pipe 3 and sparge pipe 4.The buffer
Structure includes the first firm ring 5 and the second firm ring 6 being sleeved on air jet pipe 3 or sparge pipe 4, and the one of the first firm ring 5
End is fixed with 2 circumferential side wall of gas-liquid mixed pipe, the other end is fixed by spring buffer part and the end of the second firm ring 6, described
Second firm ring 6 is connect by screw thread with air jet pipe 3 or sparge pipe 4.The spring buffer part includes support tube 7 and casing 8, branch
Stay tube 7 is placed in casing 8 and its both ends is fixed with the first firm ring 5 and the second firm ring 6 respectively, support tube 7 and casing 8 it
Between be additionally provided with helical spring 9, the central axis of the helical spring 9 is overlapped with the center line of support tube 7.It is inhaled in each air
The side of air cavity 1 is additionally provided with nozzle 10, and the central axis of the nozzle 10 is overlapped with the central axis of gas-liquid mixed pipe 2.
The course of work of the utility model：Mud after mixing, water mixed liquid are squeezed into sparge pipe 4, while air being beaten
Enter air jet pipe 3, since the central axis of air jet pipe 3 and sparge pipe 4 overlaps and the central axis with gas-liquid mixed pipe 2 simultaneously
Vertically so that while entering the continuous vertical collision of the gas and liquid jet in gas-liquid mixed pipe 2, this collision is happened at liquid
Inside phase, fierce two-phase micromixing occurs in the moment that they meet, and is subsequently formed the two phase flow of one high intensity turbulence
Body, and rapidly to the 2 wall surface horizontal movement of gas-liquid mixed pipe, in dual-phase jet from gas-liquid mixed pipe 2 to the row of air suction chamber 1
Cheng Zhong, it is divided into continuous liquid phase and the gas phase of dispersion, at this point, extraneous air enters air suction chamber further through air-breathing mouthpiece
Inside 1, extraneous air enters from air suction top of chamber, is located above liquid phase, and the energy of this strand of jet stream adds buoyancy so that point
Scattered gas phase and extraneous air is distributed in the liquid phase of entire air suction chamber 1, is sprayed eventually by nozzle.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. the jet aerator improved structure of self-cleaning tank, including air suction chamber (1), which is characterized in that the air suction
The quantity of chamber (1) is 2, and the air-breathing mouthpiece of each air suction chamber (1) is respectively positioned on the top of air suction chamber (1), in 2 air
There are one gas-liquid mixed pipes (2), the both ends of the gas-liquid mixed pipe (2) to be respectively placed in 2 air and inhale for setting between suction muffler (1)
The interior caliber of the inside of air cavity (1), end reduces along its axis towards the dimension linear close to air suction chamber (1), in gas-liquid
There are one air jet pipe (3) and a sparge pipe (4), air jet pipe (3) and sparge pipes (4) for setting in the circumferential side wall of mixing tube (2)
Central axis overlap and the central axis upright with gas-liquid mixed pipe (2) simultaneously, the air jet pipe (3) and sparge pipe
(4) interior caliber reduces along its axis towards the dimension linear close to gas-liquid mixed pipe (2).
2. the jet aerator improved structure of self-cleaning tank according to claim 1, which is characterized in that in gas-liquid mixed pipe
(2) be additionally provided with two buffer gears on the outside of tube wall, two buffer gears it is symmetrical about the central axis of gas-liquid mixed pipe (2) and
It is fixed with air jet pipe (3) and sparge pipe (4) respectively.
3. the jet aerator improved structure of self-cleaning tank according to claim 2, which is characterized in that the buffer gear
Including the first firm ring (5) and the second firm ring (6) being sleeved on air jet pipe (3) or sparge pipe (4), the first firm ring
(5) one end and the end that gas-liquid mixed pipe (2) circumferential side wall is fixed, the other end passes through spring buffer part and the second firm ring (6)
Portion is fixed, and the second firm ring (6) is connect by screw thread with air jet pipe (3) or sparge pipe (4).
4. the jet aerator improved structure of self-cleaning tank according to claim 3, which is characterized in that the spring buffer
Part includes support tube (7) and casing (8), support tube (7) be placed in casing (8) and its both ends respectively with the first firm ring (5) and
Second firm ring (6) is fixed, and helical spring (9), the helical spring (9) are additionally provided between support tube (7) and casing (8)
Central axis overlapped with the center line of support tube (7).
5. the jet aerator improved structure of self-cleaning tank according to claim 1, which is characterized in that inhaled in each air
The side of air cavity (1) is additionally provided with nozzle (10), the central axis of the central axis and gas-liquid mixed pipe (2) of the nozzle (10)
It overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773176.6U CN207726807U (en) | 2017-12-18 | 2017-12-18 | The jet aerator improved structure of self-cleaning tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773176.6U CN207726807U (en) | 2017-12-18 | 2017-12-18 | The jet aerator improved structure of self-cleaning tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207726807U true CN207726807U (en) | 2018-08-14 |
Family
ID=63098850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773176.6U Active CN207726807U (en) | 2017-12-18 | 2017-12-18 | The jet aerator improved structure of self-cleaning tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207726807U (en) |
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2017
- 2017-12-18 CN CN201721773176.6U patent/CN207726807U/en active Active
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