CN209005569U - It is a kind of that secondary mixed Venturi tube may be implemented - Google Patents
It is a kind of that secondary mixed Venturi tube may be implemented Download PDFInfo
- Publication number
- CN209005569U CN209005569U CN201920050237.9U CN201920050237U CN209005569U CN 209005569 U CN209005569 U CN 209005569U CN 201920050237 U CN201920050237 U CN 201920050237U CN 209005569 U CN209005569 U CN 209005569U
- Authority
- CN
- China
- Prior art keywords
- ejector pipe
- venturi tube
- crossing current
- tube
- injection
- 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.)
- Active
Links
Abstract
Secondary mixed Venturi tube, including Venturi tube, secondary mixing ejector pipe, injection entrance, eductor outlet, injection-crossing current connecting rod, crossing current straight tube, crossing current Venturi tube and contraction type ejector pipe may be implemented the utility model discloses a kind of.Each secondary mixing ejector pipe is tightly fixed to respectively on four perforations of venturi throat, the outer tube wall and perforation inner wall of four injection entrances are fitted close, secondary mixed Venturi tube entirely may be implemented to constitute, crossing current fluid and the outer Jetstream fluid of pipe realize the secondary mixing in venturi throat by secondary mixing ejector pipe in Venturi tube.The utility model can realize the secondary injection mixing of venturi tube fluid, increase Mixed Zone turbulence intensity, achieve the effect that the full and uniform mixing of crossing current, jet stream.
Description
Technical field
The utility model relates to venturi technical fields, and secondary mixed venturi may be implemented more particularly to a kind of
Pipe.
Background technique
Venturi transmission ejector, by generating absorption near high-velocity fluid, is added using this principle of Venturi effect
Fast mixed process, and then accelerate a kind of high efficiency fluid mechanical equipment of reaction speed, it is widely used in each row of national product
Industry.
For fast reaction, the mixing situation of reactant plays a decisive role to the carry out rate of reaction.And literary mound
In injector as a kind of high-efficiency mixing device, in fields such as emulsion preparation, agricultural fertilizer, fuel gas decokings, internal flow
The mixed effect of medium will directly affect working efficiency, but conventional injection mixing is unable to reach uniformly adequately mixing effect
Fruit, it is therefore, a kind of that research hotspot one of of the secondary mixed Venturi transmission ejector as this field can be achieved.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of secondary mixed Venturi tube may be implemented, can
Achieve the effect that carry out secondary mixing after crossing current and jet stream mixed once in Venturi tube, make driving fluid and manages interior workflow
The full and uniform mixing of body.
In order to solve the above-mentioned technical problem, the technical solution that the utility model uses is:
It is a kind of that secondary mixed Venturi tube may be implemented, the Venturi tube 1, secondary there are four perforation is opened including throat
Mix ejector pipe a2, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4 and secondary mixing ejector pipe d5；It is aforementioned four secondary
Mix injection tube structure it is identical, be introduced by taking secondary mixing ejector pipe a2 as an example, secondary mixing ejector pipe b3, it is secondary mix
It is identical with the secondary mixing structure of ejector pipe a2 to close ejector pipe c4, secondary mixing ejector pipe d5, repeats no more.Wherein, two
Secondary mixing ejector pipe a2 includes injection entrance 21, eductor outlet 22, injection-crossing current connecting rod 23, crossing current straight tube 24 and crossing current text
Venturi 25；Wherein crossing current Venturi tube 25 includes contraction type ejector pipe a251, contraction type ejector pipe b252, contraction type ejector pipe
C253 and contraction type ejector pipe d254.Secondary mixing ejector pipe a2, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4 and two
Secondary mixing ejector pipe d5 is tightly fixed to respectively on four perforations of 1 throat of Venturi tube, the outer tube wall of four injection entrances
It is fitted close with perforation inner wall, secondary mixed Venturi tube entirely may be implemented to constitute.
The Venturi tube 1 is a complete Venturi tube, and circumferentially-spaced 90 ° of throat's outer wall open up four round injections
Hole, position of opening are located at the quartering point of throat's outer wall bus.
21 end of injection entrance is connected with a right angle syphon shape eductor outlet 22, and 22 lower end of eductor outlet passes through solid
Injection-crossing current connecting rod 23 is connected with crossing current straight tube 24, and crossing current 24 end of straight tube is connected with crossing current Venturi tube 25；Venturi tube
1 throat's perforation internal diameter, 21 outer tube diameter of injection entrance, 22 outer tube diameter of eductor outlet, injection -23 outer diameter of crossing current connecting rod, crossing current
24 outer tube diameter of straight tube and crossing current 25 outer tube diameter of Venturi tube are all the same；Caliber in injection entrance 21, caliber, cross in eductor outlet 22
It is all the same to flow caliber and crossing current 25 divergent segment of Venturi tube outlet inner headed face diameter in straight tube 24.
The throat of the crossing current Venturi tube 25 is connected to contraction type ejector pipe a251, contraction type ejector pipe b252, contraction type
Ejector pipe c253 and contraction type ejector pipe d254；Four contraction type injection tube structures are identical and 90 ° of angular separation distributions such as circumferentially,
Part outside crossing current Venturi tube 25 is bucket-shaped, is cylindrical tube, each contraction type with the part that connects of crossing current Venturi tube 25
Ejector pipe is connected with crossing current 25 throat of Venturi tube.
The secondary mixing ejector pipe a2 can carry out the secondary mixing flow in jet stream and Venturi tube 1, i.e. jet stream passes through
Injection entrance 21 enters the throat of Venturi tube 1, and flows out through eductor outlet 22 and realize mixed once, venturi with crossing current in pipe
The crossing current of 1 throat's leading portion of pipe, which is flow over, enters crossing current Venturi tube 25 after straight tube 24, and in the throat of crossing current Venturi tube 25
Secondary mix is completed with the mixed once liquid that each contraction type ejector pipe injection enters.Secondary mixing ejector pipe b3, secondary mixing are drawn
It penetrates pipe c4 and secondary mixing ejector pipe d5 is identical with the above-mentioned course of work of secondary mixing ejector pipe a2, repeat no more.
Contraction type ejector pipe a251, contraction type ejector pipe b252, contraction type ejector pipe in the crossing current Venturi tube 25
The upper tubular section of c253 and contraction type ejector pipe d254 be it is bucket-shaped, lower part connect straight pipe, can be used as spoiler promote crossing current-
Jet stream is sufficiently mixed.
The beneficial effects of the utility model are:
The utility model is a kind of to may be implemented secondary mixed Venturi tube, secondary by installing additional in venturi throat
Ejector pipe is mixed, secondary injection mixing is carried out on the basis of Jetstream fluid and crossing current fluid complete an injection mixing, improves
Mixed effect in managing；Using the contraction type ejector pipe outside secondary mixing ejector pipe throat as spoiler, increase Venturi tube larynx
Turbulence intensity in portion promotes the full and uniform mixing of crossing current and jet stream.
Detailed description of the invention
Fig. 1 is a kind of 3-D view that secondary mixed Venturi tube may be implemented of the utility model；
Fig. 2 is a kind of main view that secondary mixed Venturi tube may be implemented of the utility model；
Fig. 3, which is that the utility model is a kind of, may be implemented after secondary mixed Venturi tube splits along main view section line
D profile view；
Fig. 4, which is that the utility model is a kind of, may be implemented after secondary mixed Venturi tube splits along main view section line
Cross section view；
Fig. 5 is a kind of main view sectional view that secondary mixed Venturi tube may be implemented of the utility model；
Fig. 6 is a kind of three-dimensional view that secondary mixing ejector pipe in secondary mixed Venturi tube may be implemented of the utility model
Figure；
Fig. 7 is a kind of main view that secondary mixing ejector pipe in secondary mixed Venturi tube may be implemented of the utility model
Figure；
Fig. 8 is a kind of side view that secondary mixing ejector pipe in secondary mixed Venturi tube may be implemented of the utility model
Figure；
Fig. 9 is that a kind of side view that secondary mixing ejector pipe in secondary mixed Venturi tube may be implemented of the utility model is cutd open
Face figure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description, so that the utility model
The advantages of and feature can be easier to be readily appreciated by one skilled in the art, to be made to the protection scope of the utility model more clear
Chu explicitly defines.
The utility model is a kind of to may be implemented secondary mixed Venturi tube, including Venturi tube 1, secondary mixing ejector pipe
A2, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4 and secondary mixing ejector pipe d5.It is with secondary mixing ejector pipe a2
Example, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4, secondary mixing ejector pipe d5 and the secondary structure for mixing ejector pipe a2
It is identical, it repeats no more.Wherein, secondary mixing ejector pipe a2 includes injection entrance 21, eductor outlet 22, injection-crossing current company
Extension bar 23, crossing current straight tube 24 and crossing current Venturi tube 25；Crossing current Venturi tube 25 is drawn comprising contraction type ejector pipe a251, contraction type
Penetrate pipe b252, contraction type ejector pipe c253 and contraction type ejector pipe d254.
Venturi tube 1 is horizontally arranged such as Fig. 1 and Fig. 2 as preferred embodiments of the present invention, then will be secondary
Mixing ejector pipe a2, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4 and secondary mixing ejector pipe d5 are tightly fastened respectively
On four perforations of 1 throat of Venturi tube, the outer tube wall and perforation inner wall of four injection entrances are fitted close, each injection
The straight tube mouth of entrance is stretched out for accessing jet media except 1 throat of Venturi tube, to reach effect shown in Fig. 1, is constituted whole
It is a that secondary mixed Venturi tube may be implemented.The position such as Fig. 3 and figure of each secondary mixing ejector pipe in 1 throat of Venturi tube
Shown in 4, secondary mixing ejector pipe a2 and secondary mixing ejector pipe c4 are fixed on 1 throat of Venturi tube along the vertical direction, right with this
It answers, secondary mixing ejector pipe b3 and secondary mixing ejector pipe d5 are fixed on 1 throat of Venturi tube in the horizontal direction, and each secondary
The crossing current Venturi tube axial line mixed on ejector pipe is equal away from 1 throat's axle center wire spacing of Venturi tube.
In conjunction with Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, secondary mixing ejector pipe a2, secondary mixing ejector pipe b3, secondary mixing are drawn
It is identical with the secondary mixing course of work of ejector pipe d5 to penetrate pipe c4, as space is limited, is said by taking secondary mixing ejector pipe a2 as an example
The secondary mixed process of crossing current-jet stream in bright entire Venturi tube, the interior crossing current fluid of Venturi tube 1 is through left side divergent segment entrance stream
Low pressure is formed when to throat, Jetstream fluid is acted on by inside and outside differential pressure and being flowed into 1 throat of Venturi tube through injection entrance 21, and through drawing
Exit wound of bullet 22 flows out, and realizes the mixed once with crossing current fluid in Venturi tube 1.It flows over the part of 1 throat's leading portion of Venturi tube
Fluid flow through crossing current straight tube 24 after enter crossing current Venturi tube 25, and flow to crossing current 25 throat of Venturi tube when formed it is low
Pressure, with the mixed once liquid of each contraction type ejector pipe institute injection and crossing current liquid complete it is secondary mix, to realize entire text
The secondary mixing of crossing current fluid and Jetstream fluid, keeps mixed effect more full and uniform in venturi.
As shown in Figure 1, Venturi tube 1 is a conventional circular section Venturi tube, opened up along circumferentially-spaced 90 ° of throat's outer wall
Obtained by four round perforations, position of opening is located at the quartering on throat's outer wall bus close to 1 divergent segment entrance of Venturi tube
At point.
Secondary mixing ejector pipe a2, secondary mixing ejector pipe b3, secondary mixing ejector pipe c4 and secondary mixing ejector pipe d5
Structure is identical.It mainly include that injection entrance 21, injection go out by taking secondary mixing ejector pipe a2 as an example such as Fig. 6,7,8 and 9
Mouth 22, injection-crossing current connecting rod 23, crossing current straight tube 24 and crossing current Venturi tube 25.Injection entrance 21 be straight round tube, end with
Eductor outlet 22 is connected, and eductor outlet 22 is quarter bend round tube, and injection-crossing current connecting rod 23 is solid round rod, eductor outlet 22
Lower end is connected by injection-crossing current connecting rod 23 with crossing current straight tube 24, and crossing current straight tube 24 is straight round tube, end and literary mound of flowing over
In pipe 25 be connected.The throat of crossing current Venturi tube 25 is connected to contraction type ejector pipe a251, contraction type ejector pipe b252, contraction type and draws
Penetrate pipe c253 and contraction type ejector pipe d254；Four contraction type injection tube structures are identical and circumferential etc. (90 °) of angular separation are distributed,
Part outside crossing current Venturi tube 25 is bucket-shaped, is cylindrical tube, each contraction type with the part that connects of crossing current Venturi tube 25
Ejector pipe is connected with crossing current 25 throat of Venturi tube.1 throat's perforation internal diameter of Venturi tube, 21 outer tube diameter of injection entrance,
22 outer tube diameter of eductor outlet, injection -23 outer diameter of crossing current connecting rod, crossing current 24 outer tube diameter of straight tube and crossing current 25 outer tube diameter of Venturi tube
It is all the same；Caliber in injection entrance 21, caliber in eductor outlet 22, caliber and crossing current 25 flaring of Venturi tube in crossing current straight tube 24
Section outlet inner headed face diameter is all the same.
For the industries such as emulsion preparation, agricultural fertilizer, fuel gas decoking, the mixing of Venturi transmission ejector interior fluid mediums
Effect will directly affect production and working efficiency, but conventional injection mixing, the undercompounding of fluid media (medium), uniformly.
And the utility model is a kind of may be implemented secondary mixed Venturi tube, crossing current fluid and jet stream in Venturi tube 1
Fluid is influenced to complete mixed once at throat by Venturi effect, but mixed once region flow field turbulence intensity is smaller, crossing current
It is not thoroughly mixed with Jetstream fluid.After crossing current fluid is influenced by Venturi effect, part of fluid is flowing to literary mound of flowing over
Low pressure is formed when 25 throat of Li Guan, with mixed once liquid on the outside of 25 throat of crossing current Venturi tube of each contraction type ejector pipe institute injection
Body and crossing current liquid complete secondary mixing, and the throat section for Venturi tube 25 of flowing over is smaller, Mixed Zone turbulence intensity in throat
Larger, each bucket shape contraction type ejector pipe plays the role of spoiler outside throat, increases External airflow field turbulence intensity, to realize whole
The secondary mixing of crossing current fluid and Jetstream fluid, improves mixed once effect in a Venturi tube, makes crossing current fluid in pipe and penetrates
The dilution mixing for flowing fluid is more full and uniform.
In conclusion the utility model is in venturi throat by installing secondary mixing ejector pipe additional, in Jetstream fluid
It completes to carry out secondary injection mixing on the basis of an injection mixing with crossing current fluid, achievees the purpose that improve mixed effect；Benefit
It uses the contraction type ejector pipe outside secondary mixing ejector pipe throat as spoiler, increases turbulence intensity in venturi throat, make
Crossing current is with jet mixing more full and uniform.
Claims (6)
1. a kind of may be implemented secondary mixed Venturi tube, it is characterised in that: open the literary mound there are four perforation including throat
In manage (1), secondary mixing ejector pipe a (2), secondary mixing ejector pipe b (3), secondary mixing ejector pipe c (4) and it is secondary mix draw
Penetrate pipe d (5)；Aforementioned four secondary mixing injection tube structure is identical, wherein secondary mixing ejector pipe a (2) enters comprising injection
Mouth (21), eductor outlet (22), injection-crossing current connecting rod (23), crossing current straight tube (24) and crossing current Venturi tube (25)；It is wherein horizontal
Flow Venturi tube (25) include contraction type ejector pipe a (251), contraction type ejector pipe b (252), contraction type ejector pipe c (253) and
Contraction type ejector pipe d (254), secondary mixing ejector pipe a (2), secondary mixing ejector pipe b (3), secondary mixing ejector pipe c (4) and
Secondary mixing ejector pipe d (5) is tightly fixed to respectively on four perforations of Venturi tube (1) throat, four injection entrances
Outer tube wall and perforation inner wall are fitted close, and secondary mixed Venturi tube entirely may be implemented to constitute.
A kind of secondary mixed Venturi tube may be implemented 2. according to claim 1, it is characterised in that: the venturi
Managing (1) is a complete Venturi tube, and circumferentially-spaced 90 ° of throat's outer wall open up four round perforations, and position of opening is located at
At the quartering point of throat's outer wall bus.
A kind of secondary mixed Venturi tube may be implemented 3. according to claim 1, it is characterised in that: the injection enters
Mouth (21) end is connected with a right angle syphon shape eductor outlet (22), and eductor outlet (22) lower end is connected by solid injection-crossing current
Extension bar (23) is connected with crossing current straight tube (24), and crossing current straight tube (24) end is connected with crossing current Venturi tube (25)；Venturi tube (1)
Throat's perforation internal diameter, injection entrance (21) outer tube diameter, eductor outlet (22) outer tube diameter, injection-crossing current connecting rod (23) outer diameter,
Crossing current straight tube (24) outer tube diameter and crossing current Venturi tube (25) outer tube diameter are all the same；The interior caliber of injection entrance (21), eductor outlet
(22) interior caliber, crossing current straight tube (24) interior caliber and crossing current Venturi tube (25) divergent segment outlet inner headed face diameter are all the same.
A kind of secondary mixed Venturi tube may be implemented 4. according to claim 1, it is characterised in that: the crossing current text
The throat of venturi (25) is connected to contraction type ejector pipe a (251), contraction type ejector pipe b (252), contraction type ejector pipe c (253)
With contraction type ejector pipe d (254)；Four contraction type injection tube structures are identical and 90 ° of angular separation distributions such as circumferentially, are located at crossing current
The part of Venturi tube (25) outside is bucket-shaped, is cylindrical tube, each contraction type injection with crossing current Venturi tube (25) part for connecting
Guan Junyu crossing current Venturi tube (25) throat is connected.
A kind of secondary mixed Venturi tube may be implemented 5. according to claim 1, it is characterised in that: described secondary mixed
The secondary mixing flow in jet stream and Venturi tube (1) can be carried out by closing ejector pipe a (2), i.e., jet stream through injection entrance (21) into
Enter the throat of Venturi tube (1), and is flowed out through eductor outlet (22) and realize mixed once, Venturi tube (1) larynx with crossing current in pipe
The crossing current of portion's leading portion, which is flow over, enters crossing current Venturi tube (25) after straight tube (24), and in the throat of crossing current Venturi tube (25)
Secondary mix is completed with the mixed once liquid that each contraction type ejector pipe injection enters.
A kind of secondary mixed Venturi tube may be implemented 6. according to claim 1, it is characterised in that: the crossing current text
Contraction type ejector pipe a (251), contraction type ejector pipe b (252), contraction type ejector pipe c (253) and contraction in venturi (25)
The upper tubular section of formula ejector pipe d (254) is bucket-shaped, lower part connection straight pipe, can be used as spoiler promotion crossing current-jet stream and fills
Divide mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050237.9U CN209005569U (en) | 2019-01-14 | 2019-01-14 | It is a kind of that secondary mixed Venturi tube may be implemented |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050237.9U CN209005569U (en) | 2019-01-14 | 2019-01-14 | It is a kind of that secondary mixed Venturi tube may be implemented |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209005569U true CN209005569U (en) | 2019-06-21 |
Family
ID=66844420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920050237.9U Active CN209005569U (en) | 2019-01-14 | 2019-01-14 | It is a kind of that secondary mixed Venturi tube may be implemented |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209005569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499411A (en) * | 2019-01-14 | 2019-03-22 | 西安交通大学 | It is a kind of can secondary mixed Venturi tube |
| CN111348711A (en) * | 2020-02-26 | 2020-06-30 | 上海交通大学 | Multistage step type venturi bubble generating device |
| CN114042389A (en) * | 2020-07-26 | 2022-02-15 | 西安交通大学 | Venturi mixing device with throat part with variable guide angle |
-
2019
- 2019-01-14 CN CN201920050237.9U patent/CN209005569U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499411A (en) * | 2019-01-14 | 2019-03-22 | 西安交通大学 | It is a kind of can secondary mixed Venturi tube |
| CN109499411B (en) * | 2019-01-14 | 2024-02-02 | 西安交通大学 | Venturi tube capable of being secondarily mixed |
| CN111348711A (en) * | 2020-02-26 | 2020-06-30 | 上海交通大学 | Multistage step type venturi bubble generating device |
| CN114042389A (en) * | 2020-07-26 | 2022-02-15 | 西安交通大学 | Venturi mixing device with throat part with variable guide angle |
| CN114042389B (en) * | 2020-07-26 | 2024-01-19 | 西安交通大学 | Venturi mixing device with variable injection angle at throat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209005569U (en) | It is a kind of that secondary mixed Venturi tube may be implemented | |
| CN109499411A (en) | It is a kind of can secondary mixed Venturi tube | |
| CN102654145B (en) | Jet pump | |
| CN104028134A (en) | Novel venturi mixer | |
| CN203899474U (en) | Novel venturi mixer | |
| CN107158982B (en) | A kind of dissolver of indissoluble material | |
| CN209704943U (en) | Pump drainage water installations | |
| CN204429125U (en) | One is applicable to gas-gas rapid-action mixing arrangement | |
| CN203874684U (en) | Novel venturi mixer for uniform mixing | |
| CN215463394U (en) | Static mixer | |
| CN208287833U (en) | Utilize the gas-water mixer of hydraulic ejector principle | |
| CN206351005U (en) | A kind of efficient mixed type blender | |
| CN203061080U (en) | Venturi mixer with insert pipe | |
| CN203750435U (en) | Self-excitation dithering jet flow mixer | |
| CN204958496U (en) | Mixer | |
| CN209205078U (en) | A kind of venturi mixing arrangement repeatedly mixed | |
| CN206199196U (en) | A kind of air prilling produces the horizontal injector of composite fertilizer | |
| CN208574495U (en) | One kind being based on the reversed SH type static mixer of hydroelectric bioengineering | |
| CN208330297U (en) | A kind of reduction Oil Well Back Pressure device | |
| CN203577203U (en) | Foam/water dual-purpose monitor head | |
| CN207203875U (en) | A kind of air and gas mixer for charring process | |
| CN205618448U (en) | Simple and easy quick assembly disassembly annular space jet pump device | |
| CN110559904A (en) | static mixer | |
| CN206951135U (en) | A kind of duct type solution dilutes heater | |
| CN203564984U (en) | Flash mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |