CN207451748U - A kind of jet aerator - Google Patents
A kind of jet aerator Download PDFInfo
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- CN207451748U CN207451748U CN201721019464.2U CN201721019464U CN207451748U CN 207451748 U CN207451748 U CN 207451748U CN 201721019464 U CN201721019464 U CN 201721019464U CN 207451748 U CN207451748 U CN 207451748U
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- jet blower
- jet
- water inlet
- water
- blower
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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 discloses a kind of jet aerators, and including jet blower, the shape of the jet blower is tapered, and the vertex of a cone angle of the jet blower is 26 degree~40 degree.Preferably, the vertex of a cone angle of the jet blower is 30 degree.The ratio between the front end length of the jet blower and the front inner diameter of the jet blower are 0.26~0.3.Preferably, the ratio between the front end length of the jet blower and the front inner diameter of the jet blower are 0.28.The jet aerator further includes the water inlet pipe sequentially coaxially connected, induction chamber, mixing tube, diffuser, outlet pipe.The jet blower is between the water inlet pipe and the induction chamber.The water inlet of the water inlet pipe is provided with flange.The water outlet of the outlet pipe is provided with flange.The utility model by practice confirm current be less likely to occur clogging, aeration uniformly, the utilization rate of oxygen is high, energy consumption substantially reduces.
Description
Technical field
The utility model is related to a kind of ejector more particularly to a kind of jet aerators.
Background technology
For the rural resident of China's most area based on Drinking Water, China underground water is exceeded there are ferrimanganic
Problem affects the security of rural potable water.Drinking water of rural area is dangerous while masses' physical and mental health is endangered, and also affects
The development of rural economy and social stability.Therefore, country implements safe drinking water engineering to improving people life quality, realizing comprehensively
Well-off society is of great significance.Due to containing substantial amounts of carbon dioxide in underground water, and be generally free of dissolved oxygen.So on ground
, it is necessary to be aerated, dissolved oxygen during lower water removing of iron and manganese.Carbon dioxide in water can largely be removed by aeration, air water is made efficiently to mix
It closes, is aoxidized high-iron and high manganese water, low price ferromanganese ion becomes to carry out filtering removal after being insoluble in the sediment of water.Dissolved oxygen
Effect decides the removal rate of ferrimanganic, so efficient jet aerator is the key that solve problem above.
It is started from for the research of ejector at home in the 1970s, initial stage ejector only has aeration performance, thereafter
There is the ejector for being aerated and stirring dual function, and be applied to bio-contact oxidation hair and oxidation ditch sewage treatment technology
In.The example being applied successfully in removing of iron and manganese technique is few.
For background above, as a kind of aeration aerating method, its effect not only has oxygenation and stirs aeration jet device
The dual function mixed can also remove the carbon dioxide in water, improve the pH value of water.
《Urban groundwater engineering and administration handbook》(the book committee of writing writes, chief editor：Stone Zhenhua, Li Chuanyao, pair are main
It compiles：Yao Tianqiang, Wang Qiangzhong, China Construction Industry Press publishes, distribution, and available from Xinhua Bookstore, China Construction Industry Press
Printed by printing house, in May, 1993 first edition, in May, 1993 first printing, ISBN7-112-01717-3/TU.1298) it is open
A kind of jet aerator.The cardinal principle of the jet aerator is that negative pressure is formed in induction chamber by high-pressure jet, so as to
Suck air.But an efficient ejector, internal structure design are the most key.Jet aerator internal structure, mainly by spraying
Nozzle, mixing tube and diffuser three parts composition, wherein, the design of jet blower and diffusion nozzle angle is one of key, it is ensured that
The progress of aeration and the mixing of air water, the nose thickness of jet blower and the distance away from mixing tube influence the mixing ratio of air water.Design
When each proportionality coefficient to meet a relational expression, only the ratio between mixing tube cross-sectional area and nozzle cross-sectional area m, with diffuser export
The ratio between pressure of water p and sucking volume of air flow and pressure flow amount the ratio between meet q before pressure and nozzle, full between three
Maximum mixing wastewater with air efficiency is just can reach during the certain relation of foot.
However, according to《Urban groundwater engineering and administration handbook》The jet aerator produced of requirement, jet blower
Vertex of a cone angle is 15 degree~25 degree, easily blocks in use, is aerated the problems such as low uneven, oxygen utilization rate, high energy consumption.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of jet aerators to solve easily blocking, aeration unevenness
The problem of even, oxygen utilization rate is low, high energy consumption.
In order to solve the above-mentioned technical problem, the jet aerator of the utility model includes jet blower, the shape of the jet blower
Shape is tapered, and the vertex of a cone angle of the jet blower is 26 degree~40 degree.
The vertex of a cone angle of the jet blower is 30 degree.
The ratio between the front end length of the jet blower and the front inner diameter of the jet blower are 0.26~0.3.
The ratio between the front end length of the jet blower and the front inner diameter of the jet blower are 0.28.
The jet aerator further includes the water inlet pipe sequentially coaxially connected, induction chamber, mixing tube, diffuser, outlet pipe.
The jet blower is between the water inlet pipe and the induction chamber.
The water inlet of the water inlet pipe is provided with flange.
The water outlet of the outlet pipe is provided with flange.
The side wall of the water inlet pipe is provided with into water by-pass port.
The side wall of the outlet pipe is provided with water outlet by-pass port.
The water inlet by-pass port and the water outlet by-pass port are located at the homonymy of jet aerator.
It is connected between the water inlet by-pass port and the water outlet by-pass port by bypass line.
Control valve is provided on the bypass line.
The side wall of the induction chamber is provided with air entry.
The air entry is located at after the jet blower.
The air entry is communicated with suction line.
The suction line has ganged up check-valves and control valve.
The jet aerator is made of stainless steel.
Connecting portion uses welding procedure, and inner and outer welding is through transpassivation, pickling processes.
Bypass line coupling part is connected with suction line coupling part using copper pipe fitting or galvanized steel pipe fitting.
The jet aerator of the utility model has the advantages that compared with prior art.
1st, the technical program is as a result of the technological means that the vertex of a cone angle of the jet blower is 26 degree~40 degree, institute
With, by practice confirm current be less likely to occur clogging, aeration uniformly, the utilization rate of oxygen is high, energy consumption substantially reduces.
2nd, the technological means that the technical program is 30 degree as a result of the vertex of a cone angle of the jet blower, so, current
More smooth, aeration is evenly, the utilization of oxygen more rate is high, energy consumption further reduces.
3rd, the technical program is as a result of the ratio between front inner diameter of front end length and the jet blower of the jet blower
For 0.26~0.3 technological means, so, current are relatively stablized.
4th, the technical program is as a result of the ratio between front inner diameter of front end length and the jet blower of the jet blower
For 0.28 technological means, so, current are more stable.
5th, the technical program further includes the water inlet pipe sequentially coaxially connected, air-breathing as a result of the jet aerator
Room, mixing tube, diffuser, the technological means of outlet pipe, so, current and air can be mixed, be conducive to the oxygen in air
It is more easy to quickly be dissolved in current, ferrimanganic and oxygen in water is promoted to be sufficiently mixed catalytic oxidation.
6th, technology of the technical program as a result of the jet blower between the water inlet pipe and the induction chamber
Means, so, can negative pressure be generated by the flowing of current and suck air.
7th, the technical program is provided with flange, the water outlet of the outlet pipe as a result of the water inlet of the water inlet pipe
The technological means of flange is provided with, so, be conducive to the installation of jet aerator.
8th, the technical program is provided with as a result of the side wall of the water inlet pipe into water by-pass port, the side of the outlet pipe
Wall is provided with water outlet by-pass port, and the water inlet by-pass port and the water outlet by-pass port are located at the homonymy of jet aerator, it is described into
It is connected between water by-pass port and the water outlet by-pass port by bypass line, the technology of control valve is provided on the bypass line
Means, so, be conducive to the repair to jet aerator and the exclusion of failure.
9th, the technical program is provided with the technological means of air entry as a result of the side wall of the induction chamber, so, it can
Introduce air into induction chamber.
10th, the technical program is located at the technological means after the jet blower as a result of the air entry, so, it inhales
The current that the air entered can be sprayed with jet blower preferably combine.
11st, the technical program is communicated with suction line as a result of the air entry, and the suction line has been ganged up only
The technological means of valve and control valve is returned, so, it can play a protective role to fault state.
12nd, the technical program uses technological means made of stainless steel as a result of the jet aerator, so, it can
Prevent jet aerator from getting rusty.
13rd, the technical program is as a result of connecting portion using welding procedure, and inner and outer welding is through transpassivation, pickling processes
Technological means, so, jet aerator surface is smooth, corrosion-resistant, is not easy to get rusty.
14th, the technical program uses copper pipe fitting as a result of bypass line coupling part and suction line coupling part
Or the technological means of galvanized steel pipe fitting connection, so, it can prevent jet aerator from getting rusty.
Description of the drawings
The jet aerator of the utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the utility model jet aerator.
The reference numerals are as follows.
1~water inlet pipe；
1-1~flange；
1-2~water inlet by-pass port；
2~jet blower；
2-1~front end length；
2-2~front inner diameter；
3~mixing tube；
4~diffuser；
5~outlet pipe；
5-1~flange；
5-2~water outlet by-pass port；
6~induction chamber；
6-1~air entry；
7~bypass line；
8~control valve；
9~suction line；
10~check-valves；
11~control valve.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of jet aerator, including jet blower 2, the shape of the jet blower 2
Tapered, the vertex of a cone angle of the jet blower 2 is 26 degree.It is of course also possible to be, the vertex of a cone angle of the jet blower 2 is 40 degree.
As the various improvement of present embodiment, details are as follows.
As shown in Figure 1, the vertex of a cone angle of the jet blower 2 is preferably 30 degree.
As shown in Figure 1, the front end length (2-1) of the jet blower (2) and the front inner diameter (2-2) of the jet blower (2)
The ratio between be 0.26~0.3.
As shown in Figure 1, the front end length (2-1) of the jet blower (2) and the front inner diameter (2-2) of the jet blower (2)
The ratio between be 0.28.
As shown in Figure 1, the jet aerator further include the water inlet pipe 1 sequentially coaxially connected, induction chamber 6, mixing tube 3,
Diffuser 4, outlet pipe 5.
As shown in Figure 1, the jet blower 2 is between the water inlet pipe 1 and the induction chamber 6.
As shown in Figure 1, the water inlet of the water inlet pipe 1 is provided with flange 1-1.
As shown in Figure 1, the water outlet of the outlet pipe 5 is provided with flange 5-1.
As shown in Figure 1, the side wall of the water inlet pipe 1 is provided with into water by-pass port 1-2.
As shown in Figure 1, the side wall of the outlet pipe 5 is provided with water outlet by-pass port 5-2.
As shown in Figure 1, the water inlet by-pass port 1-2 and water outlet by-pass port 5-2 is located at the homonymy of jet aerator.
As shown in Figure 1, it is connected between the water inlet by-pass port 1-2 and water outlet by-pass port 5-2 by bypass line 7.
As shown in Figure 1, it is provided with control valve 8 on the bypass line 7.
As shown in Figure 1, the side wall of the induction chamber 6 is provided with air entry 6-1.
As shown in Figure 1, the air entry 6-1 is located at after the jet blower 2.
As shown in Figure 1, the air entry 6-1 is communicated with suction line 9.
As shown in Figure 1, the suction line 9 has ganged up check-valves 10 and control valve 11.
As shown in Figure 1, the jet aerator is made of 304 stainless steels.
As shown in Figure 1, connecting portion uses welding procedure, inner and outer welding is through transpassivation, pickling processes.
As shown in Figure 1,7 coupling part of bypass line and 9 coupling part of suction line use copper pipe fitting or coating steel pipe
Part connects.
The jet aerator of present embodiment uses the nozzle of unique design, and work water pump water outlet passes through jet aerator
Nozzle, as nozzle diameter becomes smaller, liquid is ejected with high speed from nozzle, and swiftly flowing liquid passes through induction chamber
Into mixing tube, a large amount of small bubbles are divided under the action of irrigation pressure, mixture is formed with water.Gas liquid mixture
It is discharged by diffuser, speed slows down, and pressure enhancing forms strength injection stream, raw water is stirred and is oxygenated.Bubble is through more
Secondary cutting after ejection turbulence, becomes countless tiny bubbles, surface area is very big, and the oxygen in air is made to be more easy to quickly be dissolved in
In water.Since bubble diameter is small, the rate of climb is slow, so as to extend the time that atmospheric oxygen is dissolved in water, promotes in water
Ferrimanganic and oxygen are sufficiently mixed catalytic oxidation.
Claims (2)
1. a kind of jet aerator, including jet blower (2) and the water inlet pipe (1) sequentially coaxially connected, induction chamber (6), mixing
Manage (3), diffuser (4), outlet pipe (5), the jet blower (2) between the water inlet pipe (1) and the induction chamber (6),
The shape of the jet blower (2) is tapered, it is characterised in that：The vertex of a cone angle of the jet blower (2) is 26 degree~40 degree, described
The side wall of water inlet pipe (1) is provided with into water by-pass port (1-2), and the side wall of the outlet pipe (5) is provided with water outlet by-pass port (5-
2), the water inlet by-pass port (1-2) and the water outlet by-pass port (5-2) are located at the homonymy of jet aerator, the water inlet bypass
It is connected between mouth (1-2) and the water outlet by-pass port (5-2) by bypass line (7), control is provided on the bypass line (7)
Valve (8) processed.
2. jet aerator according to claim 1, it is characterised in that：
The vertex of a cone angle of the jet blower (2) is 30 degree；
The ratio between the front end length (2-1) of the jet blower (2) and the front inner diameter (2-2) of the jet blower (2) for 0.26~
0.3；
The ratio between the front end length (2-1) of the jet blower (2) and the front inner diameter (2-2) of the jet blower (2) are 0.28；
The water inlet of the water inlet pipe (1) is provided with flange (1-1)；
The water outlet of the outlet pipe (5) is provided with flange (5-1)；
The side wall of the induction chamber (6) is provided with air entry (6-1)；
The air entry (6-1) is located at after the jet blower (2)；
The air entry (6-1) is communicated with suction line (9)；
The suction line (9) has ganged up check-valves (10) and control valve (11)；
The jet aerator is made of 304 stainless steels；
Connecting portion uses welding procedure, and inner and outer welding is through transpassivation, pickling processes；
Bypass line (7) coupling part is connected with suction line (9) coupling part using copper pipe fitting or galvanized steel pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019464.2U CN207451748U (en) | 2017-08-15 | 2017-08-15 | A kind of jet aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019464.2U CN207451748U (en) | 2017-08-15 | 2017-08-15 | A kind of jet aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207451748U true CN207451748U (en) | 2018-06-05 |
Family
ID=62247935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721019464.2U Active CN207451748U (en) | 2017-08-15 | 2017-08-15 | A kind of jet aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207451748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541849A (en) * | 2018-05-29 | 2019-12-06 | 中国航发商用航空发动机有限责任公司 | Oil return ejector and aircraft engine fuel system comprising same |
| CN110759493A (en) * | 2019-11-11 | 2020-02-07 | 广州市适然环境工程技术有限公司 | Low-pressure jet aerator |
-
2017
- 2017-08-15 CN CN201721019464.2U patent/CN207451748U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541849A (en) * | 2018-05-29 | 2019-12-06 | 中国航发商用航空发动机有限责任公司 | Oil return ejector and aircraft engine fuel system comprising same |
| CN110541849B (en) * | 2018-05-29 | 2021-01-15 | 中国航发商用航空发动机有限责任公司 | Oil return ejector and aircraft engine fuel system comprising same |
| CN110759493A (en) * | 2019-11-11 | 2020-02-07 | 广州市适然环境工程技术有限公司 | Low-pressure jet aerator |
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