CN109368824A - Efficient jet aerator - Google Patents
Efficient jet aerator Download PDFInfo
- Publication number
- CN109368824A CN109368824A CN201811498618.XA CN201811498618A CN109368824A CN 109368824 A CN109368824 A CN 109368824A CN 201811498618 A CN201811498618 A CN 201811498618A CN 109368824 A CN109368824 A CN 109368824A
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- low
- air
- compressed air
- pressure air
- 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.)
- Pending
Links
- 238000005276 aerator Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000005273 aeration Methods 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000001301 oxygen Substances 0.000 claims abstract description 27
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 10
- 238000005520 cutting process Methods 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 8
- 239000010865 sewage Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 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
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- 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 present invention provides a kind of efficient jet aerator, and aerator is equipped with recirculated water interface, and recirculated water interface is located on the left of compressed air mixing chamber and is connected with the recirculated water spout in compressed air mixing chamber；It is equipped with low-pressure air mixing chamber on the right side of compressed air mixing chamber, is equipped with two-stage injection mouth in low-pressure air mixing chamber；Dissolved oxygen mixing chamber is equipped on the right side of low-pressure air mixing chamber, low-pressure air mixing chamber and the space separating board of dissolved oxygen mixing chamber are equipped with flowing hole；Turbulent flow generator tube, the affixed air water release spout in turbulent flow generator tube outer end are equipped in dissolved oxygen mixing chamber；The compressed air mixing chamber passes through compressed air channel external compressed air；For the low-pressure air mixing chamber by the external air blower aeration in low-pressure air channel, the mixing wastewater with air liquid that this scheme ejects has bigger kinetic energy, and more violent to the water body stirring in horizontal direction, dead angle is small, and structure is violent to the cutting of gas, and the bubble of generation is more.
Description
Technical field
The present invention relates to industrial production aeration in sewage treatment equipment, and in particular to a kind of efficient jet aerator.
Background technique
Jet aerator is a kind of aerator for integrating air-breathing and hybrid reaction, it is by liquid jet to gas
It is aspirated and is compressed, realization brings air/oxygen in water into be achieved the purpose that be oxygenated to sewage.Since jet-flow aeration equipment is simultaneous
Have oxygenation and plug-flow effect, it is high that dynamic efficiency ratio turns brush class aerator, safeguard it is simpler than micro-pore aeration, early in external down-stream
It is used in factory.And it is domestic later to the research of jet-flow aeration method, ejector series of the profession for sewage treatment has not yet been formed, though
So wastewater treatment in China jet Aeration Technology and It has certain development in recent years, but there are also very big gaps with developed country, main
Have the following problems: for conventional fluidic aerator only through a jet stream, energy regenerating is lower, therefore coefficient of oxygen utilization, dynamic efficiency
It is relatively low；Stirring and plug-flow are ineffective, and complete big serial jet-flow aeration equipment has not yet been formed；Aeration performance operates therewith
Time increases and decays.
Traditional jet aerator has self-priming and two kinds of Gas feeding at present:
One, Self-priming jet aeration device is made of immersible pump and ejector.When dive under water pump work when, high pressure spray water flow
Jet stream is generated by ejector nozzle, when by the trunnion of diffuser entrance, generates negative pressure in mixing wastewater with air room, automatically will
Air more than liquid level is sucked by the conduit for leading to atmosphere.After being sufficiently mixed with water, the mixed liquor of air and water is from ejector
It sprays, carries out mixing oxygenation with the water body in pond, and form circulation in pond.
Two, air supply jet aerator is generally located on aeration bottom of pond portion, by pressurized water tubes, compressed air hose or air blower
Air hose composition.The air and pressure (hydraulic) water of feeding spray after being sufficiently mixed to horizontal direction, form jet stream and area is mixed, right
Water body oxygenic aeration.
The disadvantage is that not being suitable for deep water aeration, suitable middle or small sewage treatment is aerated Self-priming jet aeration device.And it passes
The air supply jet aerator of system is the disadvantage is that there is aeration dead angle, and oxygen transfer amount is lower than micro-hole aerator, and it is relatively high to consume energy, and has
Larger aeration dead angle.
Summary of the invention
Present invention seek to address that existing aerator there are the problem of, a kind of optimization jet aerator at no dead angle is provided, and
And turbulent flow is increased by the design to nozzle, increase the effect of bubble.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of efficient jet aerator, aerator are equipped with recirculated water interface, and recirculated water interface is located at compressed air mixing chamber
Left side and it is connected with the recirculated water spout in compressed air mixing chamber；Low-pressure air is equipped on the right side of compressed air mixing chamber to mix
Chamber, low-pressure air mixing chamber is interior to be equipped with two-stage injection mouth；Dissolved oxygen mixing chamber is equipped on the right side of low-pressure air mixing chamber, low-pressure air is mixed
The space separating board for closing chamber and dissolved oxygen mixing chamber is equipped with flowing hole；Turbulent flow generator tube, turbulent flow generator tube are equipped in dissolved oxygen mixing chamber
The affixed air water release spout in outer end；The compressed air mixing chamber passes through compressed air channel external compressed air；The low pressure
Air mixing chamber passes through the external air blower aeration in low-pressure air channel.
The present invention is compared with existing aerator, the advantage is that: 1. because having the mixed flow effect of " two gas, one liquid ", to gas
Cutting it is more violent, the bubble of generation is more, increase oxygen transfer rate.2. due to compressed air and the recirculated water of pressurization, so that spray
The mixed liquor of injection has bigger kinetic energy, more violent to the water body stirring in horizontal direction, and dead angle is small, in the aeration of large radius
Advantage is more obvious in pond.3. turbulent flow generator tube and air water release spout inner wall are provided with threaded line, so that is passed through at a high speed is mixed
The kinetic energy that liquid forms a rotation is closed, while frictional force makes mixed liquor speed reduce about 30%, is conducive to stirring sufficiently and prolongs
Long bubble residence time in water.Mixed liquor is after leaving air water release spout, and because of inertia, Scroll-tupe stirs water body, increases
Stirring region, reduces the dead angle of conventional fluidic aerator, and increase turbulent flow, oxygen transfer rate obviously increases.
Specifically, the low-pressure air mixing cavity outer wall was equipped with port, it is oblique in two-stage injection mouth that this crosses port setting
Rear, low-pressure air channel cross port by this and ventilate into low-pressure air mixing chamber.
Preferably, the turbulent flow generator tube and air water release spout inner wall set helicitic texture.This structure can increase cutting gas
Body and bubble increase aqueous vapor contact area, and then increase oxygen transfer rate.
Preferably, this aerator is equipped with shelving, and with shelving including steel bracket, steel mid-stent is equipped with circulating water pipe
Road；Steel frame upper is aerated wind conveyance conduit equipped with air blower；Pressure is set on the downside of air blower aeration wind conveyance conduit mounting bracket
Contracting air hose；The circulating water pipeline, compressed air hose, air blower aeration wind conveyance conduit are separately connected recirculated water interface, pressure
Contracting air duct and low-pressure air channel.
Detailed description of the invention
Fig. 1 is this jet aerator outline drawing；
Fig. 2 is jet aerator structural schematic diagram；
Fig. 3 is jet aerator top view；
Fig. 4 is use state of the present invention with reference to figure.
In figure: recirculated water interface 1, compressed air interface 2, aeration interface 3, turbulent flow generator tube 4, low-pressure air channel 5, pressure
Contracting air duct 6, compressed air mixing chamber 8, two-stage injection mouth 9, low-pressure air mixing chamber 10, crosses port at recirculated water spout 7
11, flowing hole 12, dissolved oxygen mixing chamber 13, air water release spout 14, air blower aeration wind conveyance conduit 15, compressed air hose 16,
Circulating water pipeline 17.
Specific embodiment
Jet aerator provided by the invention is intended to optimize the aeration Dead Core Problems of jet aerator, while also to nozzle knot
Row improves when structure, increases aerator by turbulent flow, increases bubble.
This jet aerator is designed as two-stage twin-jet nozzle jet aerator, in conjunction with the principle of two kinds of traditional jet aerators
And advantage, using the hybrid mode of " two gas, one liquid "." two gas " refers to that compressed air and air blower are supplied gas, and " liquid " refers to circulation
Water pump sends treatment sewage.It is mixed by two not good liquor gas, abundant dissolved oxygen.Due to the use of compressed air, reduce air blower
Usage amount, reduce the load of air blower, and then reduce aeration load, aeration load is the percentage of sewage treatment plant's total load
50~70%, therefore reduce the corresponding economy of air blower load it is considerable.
In conjunction with attached drawing 1-4, aerator specific structure of the invention is:
A kind of efficient jet aerator, aerator are equipped with recirculated water interface 1, and recirculated water interface 1 is located at compressed air mixing
It is connected on the left of chamber 8 and with the recirculated water spout 7 in compressed air mixing chamber 8；It is empty that low pressure is equipped on the right side of compressed air mixing chamber 8
Gas mixing chamber 10, low-pressure air mixing chamber 10 is interior to be equipped with two-stage injection mouth 9；Dissolved oxygen is equipped on the right side of low-pressure air mixing chamber 10 to mix
The space separating board of chamber 13, low-pressure air mixing chamber 10 and dissolved oxygen mixing chamber 13 is equipped with flowing hole 12；It is set in dissolved oxygen mixing chamber 13
There are turbulent flow generator tube 4, the affixed air water release spout 14 in 4 outer end of turbulent flow generator tube.
The scheme of this programme external " two gas " is: 1. compressed air mixing chamber 8 is empty by the external compression of compressed air channel 6
Gas, it is clear that the compressed air interface 2 for being used for external compressed air air inlet will be equipped on compressed air channel 6.2. low pressure is empty
Gas mixing chamber 10 is aerated by the external air blower in low-pressure air channel 5, and same low-pressure air channel 5 also is provided with for external low
Press the aeration interface 3 of air.
From figure 2 it can be seen that the outer top of low-pressure air mixing chamber 10 was equipped with port 11, this is crossed port 11 and is arranged two
Grade 9 water (flow) direction of jet port rear ramp, low-pressure air channel 5 by this cross port 11 into low-pressure air mixing chamber 10 lead to
Gas.
Preferably, the inner wall of the turbulent flow generator tube 4 and air water release spout 14 sets helicitic texture.This internal screw thread turbulent flow
Generator tube and internal screw thread air water release spout can increase turbulent flow, increase cutting gas and bubble, increase aqueous vapor contact area, in turn
Increase oxygen transfer rate.
Efficient jet aerator is made of FRP material, and bracket uses stainless steel 304 material, and maintenance is simple.
The angle of flare angle design of air water release spout 14 is less than or equal to 20 °.Example air water release provided by the invention
Spout angle design is 4~8 °.Internal screw thread is circular helix, and lead is about the half of length of pipeline.The pipeline
Length is the length of turbulent flow generator tube or air water release spout
With reference to the parameter of pump capacity and lift when the diameter of the recirculated water spout 7 of this aerator design.Easy calculating
Formula are as follows:
In formula, Qs is pump capacity, m3/h；H is pump head, mH2O (meter water column)；D is water nozzle diameter, m.
This aerator is additionally provided with shelving, and with shelving including steel bracket, steel mid-stent is equipped with circulating water pipeline 17；
Steel frame upper air blower is aerated wind conveyance conduit 15；Compressed air is set on the downside of air blower aeration wind conveyance conduit mounting bracket
Pipe 16；The circulating water pipeline 17, compressed air hose 16, air blower aeration wind conveyance conduit 15 are separately connected the circulation of aerator
Water connects 1 mouthful, compressed air channel 2 and low-pressure air channel 3.
Compressed air pressure used in the present invention is 4bar~6bar.Compressed air pressure is adjusted within this range, from
And the yield of adjustable minute bubbles.
The course of work of the invention are as follows:
1) pressure (hydraulic) water that water circulating pump is sent injects compressed air mixing chamber, while generating negative pressure；
2) it send compressed air to compressed air mixing chamber with air compressor machine, is sufficiently mixed with water with pressure；
3) low-pressure air mixing chamber is reached by two-stage injection mouth by mixed steam water interface, jet port rear is formed
Negative pressure is sent into air from port sucking air blower is crossed, carries out secondary mixing；
4) it again through the abundant dissolved oxygen of dissolved oxygen mixing chamber after mixing, then through internal screw thread turbulent flow generator tube, then discharges and sprays through air water
Mouth ejects.
Internal screw thread is arranged in this programme at turbulent flow generator tube and air water release spout, compares with light pipe, and pipe internal screw thread can make
Fluid rotary enhances the disturbance of fluid near tube wall inner face.Liquid in pipe and gas, which flow through screwed pipe, will form whirlpool and strong
Strong collision, the effect by screw thread generate rotation, and the steam bubble generated on inside pipe wall face can also be rotated toward the liquid of movement
Body is taken away in time, this structure dramatically increases oxygen transfer rate and oxygen content.
This efficient jet aerator not Shi He deep water (6m or more) aeration, the advantage is that: 1. because there is " two gas, one liquid "
Mixed flow effect, more violent to the cutting of gas, the bubble of generation is more, increase oxygen transfer rate.2. due to compressed air and increasing
The recirculated water of pressure stirs more violent, dead angle to the water body in horizontal direction so that the mixed liquor ejected has bigger kinetic energy
Small, advantage is more obvious in the aeration tank of large radius.3. turbulent flow generator tube and air water release spout inner wall are provided with threaded line,
So that the mixed liquor that high speed passes through forms the kinetic energy of a rotation, while frictional force makes mixed liquor speed reduce about 30%, has
Sufficiently and extend bubble residence time in water conducive to stirring.Mixed liquor is after leaving air water release spout, because of inertia, whirlpool
Formula stirs water body, increases stirring region, reduces the dead angle of conventional fluidic aerator, and increase turbulent flow, oxygen transfer rate is bright
It is aobvious to increase.
Claims (9)
1. a kind of efficient jet aerator, aerator is equipped with recirculated water interface, and it is left that recirculated water interface is located at compressed air mixing chamber
Side and it is connected with the recirculated water spout in compressed air mixing chamber, it is characterized in that: being equipped with low pressure on the right side of compressed air mixing chamber
Air mixing chamber, low-pressure air mixing chamber is interior to be equipped with two-stage injection mouth；Dissolved oxygen mixing chamber is equipped on the right side of low-pressure air mixing chamber, it is low
The space separating board of air mixing chamber and dissolved oxygen mixing chamber is pressed to be equipped with flowing hole；Turbulent flow generator tube is equipped in dissolved oxygen mixing chamber, it is rapid
Flow the affixed air water release spout in generator tube outer end；The compressed air mixing chamber passes through the external contracting air of compressed air channel；Institute
It states low-pressure air mixing chamber and passes through the external air blower aeration in low-pressure air channel.
2. efficient jet aerator as described in claim 1, it is characterized in that: low-pressure air mixing cavity outer wall was equipped with port,
This crosses port setting in two-stage injection mouth rear ramp, and low-pressure air channel is crossed port into low-pressure air mixing chamber by this and led to
Gas.
3. efficient jet aerator as described in claim 1, it is characterized in that: the diameter of recirculated water spout, which determines, refers to pump capacity
And lift, the diameter calculation formula of recirculated water spout are as follows:
In formula, Qs is pump capacity, m3/h；H is pump head, mH2O (meter water column)；D is water nozzle diameter, m.
4. efficient jet aerator as described in claim 1, it is characterized in that: turbulent flow generator tube and air water release spout inner wall set spiral shell
Line structure.
5. efficient jet aerator as claimed in claim 4, it is characterized in that: internal screw thread is circular helix, lead is about managed
The half of line length.
6. the efficient jet aerator as described in claim 1 or 5, it is characterized in that: the angle of flare angle design of air water release spout
For less than or equal to 20 °.
7. efficient jet aerator as claimed in claim 6, it is characterized in that: example air water release spout angle provided by the invention
It is 4~8 °.
8. efficient jet aerator as claimed in claim 7, it is characterized in that: compressed air pressure is 4bar~6bar.
9. efficient jet aerator as claimed in claim 8, it is characterized in that: this aerator is additionally provided with shelving, with shelve including
Light steel bracket, light steel bracket middle part are equipped with circulating water pipeline；Light steel bracket top air blower is aerated wind conveyance conduit；Air blower exposes
High-pressure air tube is set on the downside of gas wind conveyance conduit mounting bracket；The circulating water pipeline, high-pressure air tube, air blower aeration wind are defeated
The recirculated water interface that send pipeline to be separately connected aerator, compressed air passes through and low-pressure air passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498618.XA CN109368824A (en) | 2018-12-08 | 2018-12-08 | Efficient jet aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498618.XA CN109368824A (en) | 2018-12-08 | 2018-12-08 | Efficient jet aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368824A true CN109368824A (en) | 2019-02-22 |
Family
ID=65372805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811498618.XA Pending CN109368824A (en) | 2018-12-08 | 2018-12-08 | Efficient jet aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368824A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358036A (en) * | 2020-09-28 | 2021-02-12 | 长沙工研院环保有限公司 | Unpowered rotary aerator |
| CN112390350A (en) * | 2020-11-16 | 2021-02-23 | 贵州绿篱笆环保科技有限公司 | Pasg oxygenation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1268426A (en) * | 2012-02-09 | 1972-03-29 | Stenberg Flygt Ab | Method for the aeration of a liquid and a device for its implementation |
| DE2603842A1 (en) * | 1976-02-02 | 1977-08-04 | Kurt Leistner | Polluted water aeration - through submersed mixing chamber for compressed air and water, with expansion nozzle |
| CN2641035Y (en) * | 2003-09-22 | 2004-09-15 | 崔炜 | Air supply low pressure jet aerator |
| CN101037263A (en) * | 2006-03-23 | 2007-09-19 | 上海百峰环保工程有限公司 | High-concentration biochemical aerator |
| CN201250148Y (en) * | 2008-08-07 | 2009-06-03 | 石永丰 | Adjustable ramjet jet aerator |
| CN202099111U (en) * | 2011-06-08 | 2012-01-04 | 山东北辰集团水务工程有限公司 | Double-threaded jet aerator |
| CN202898120U (en) * | 2012-09-29 | 2013-04-24 | 王全龙 | High-efficiency oxygen dissolving jet aerator |
| CN204224310U (en) * | 2014-11-18 | 2015-03-25 | 上海在田环境科技有限公司 | One revolves mixed aerator |
| CN106145315A (en) * | 2016-07-27 | 2016-11-23 | 上海世渊环保科技有限公司 | A kind of efficient oxygenating system of the confined space |
| CN207526429U (en) * | 2017-12-01 | 2018-06-22 | 中国石油大学(华东) | A kind of venthole screen casing adopted based on superficial part coal bed gas and the conjunction of high pressure tight gas |
| CN209178095U (en) * | 2018-12-08 | 2019-07-30 | 中国二十二冶集团有限公司 | Efficient jet aerator |
-
2018
- 2018-12-08 CN CN201811498618.XA patent/CN109368824A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2603842A1 (en) * | 1976-02-02 | 1977-08-04 | Kurt Leistner | Polluted water aeration - through submersed mixing chamber for compressed air and water, with expansion nozzle |
| CN2641035Y (en) * | 2003-09-22 | 2004-09-15 | 崔炜 | Air supply low pressure jet aerator |
| CN101037263A (en) * | 2006-03-23 | 2007-09-19 | 上海百峰环保工程有限公司 | High-concentration biochemical aerator |
| CN201250148Y (en) * | 2008-08-07 | 2009-06-03 | 石永丰 | Adjustable ramjet jet aerator |
| CN202099111U (en) * | 2011-06-08 | 2012-01-04 | 山东北辰集团水务工程有限公司 | Double-threaded jet aerator |
| GB1268426A (en) * | 2012-02-09 | 1972-03-29 | Stenberg Flygt Ab | Method for the aeration of a liquid and a device for its implementation |
| CN202898120U (en) * | 2012-09-29 | 2013-04-24 | 王全龙 | High-efficiency oxygen dissolving jet aerator |
| CN204224310U (en) * | 2014-11-18 | 2015-03-25 | 上海在田环境科技有限公司 | One revolves mixed aerator |
| CN106145315A (en) * | 2016-07-27 | 2016-11-23 | 上海世渊环保科技有限公司 | A kind of efficient oxygenating system of the confined space |
| CN207526429U (en) * | 2017-12-01 | 2018-06-22 | 中国石油大学(华东) | A kind of venthole screen casing adopted based on superficial part coal bed gas and the conjunction of high pressure tight gas |
| CN209178095U (en) * | 2018-12-08 | 2019-07-30 | 中国二十二冶集团有限公司 | Efficient jet aerator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358036A (en) * | 2020-09-28 | 2021-02-12 | 长沙工研院环保有限公司 | Unpowered rotary aerator |
| CN112390350A (en) * | 2020-11-16 | 2021-02-23 | 贵州绿篱笆环保科技有限公司 | Pasg oxygenation equipment |
| CN112390350B (en) * | 2020-11-16 | 2023-11-07 | 贵州绿篱笆环保科技有限公司 | Pasg oxygenation equipment |
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