CN206560800U - A kind of Novel venturi mixer for changing resistance of ducting characteristic - Google Patents
A kind of Novel venturi mixer for changing resistance of ducting characteristic Download PDFInfo
- Publication number
- CN206560800U CN206560800U CN201720152292.XU CN201720152292U CN206560800U CN 206560800 U CN206560800 U CN 206560800U CN 201720152292 U CN201720152292 U CN 201720152292U CN 206560800 U CN206560800 U CN 206560800U
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- China
- Prior art keywords
- pipeline
- resistance
- throat
- resistance piece
- introducing
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Abstract
A kind of Novel venturi mixer for changing resistance of ducting characteristic, including inflow segment, converging transition, throat's pipeline, divergent segment, outflow section and introducing pipeline, it is characterised in that：Also include four resistance pieces that different zones are set inside throat's pipeline.Two resistance pieces are arranged side by side in the upstream for introducing pipeline, and positioned at the inside of throat's pipeline away from the side for introducing pipeline, two other resistance piece is arranged side by side in the downstream for introducing pipeline, and positioned at the inside of throat's pipeline close to the side for introducing pipeline.The effect of the resistance piece is the drag characteristic inside change throat pipeline, promotes fluid that the nowed forming of " it " font is presented when flowing through throat's pipeline.The cross sectional shape of the resistance piece is streamlined, to reduce the percussion being subject to when fluid is flowed through.The utility model can in bigger condition range effective lifting fluid mixed effect so that introduce concentration distribution of the fluid inside runner and more they tend to uniformly.
Description
Technical field
The utility model is related to a kind of venturi mixer, and in particular to a kind of new literary mound of change resistance of ducting characteristic
In blender.
Background technology
The common structure of venturi mixer is the Venturi tube of throat's perforate, and mainstream fluid passes through inflow segment,
After being accelerated and be depressured in converging transition, into throat's pipeline, now the speed of mainstream fluid reaches maximum, and static pressure reaches
It is minimum.Using the mainstream fluid near introduction point in throat's pipeline fluid flow through venturi is introduced into introducing the pressure differential of fluid
Throat's perforate is introduced, and realizes two kinds of mainstream fluids with introducing the mixing of fluid.Mixed fluid flows through divergent segment and boosted
Mix, and finally flowed out by outflow section with further.
There is the problem of mixing effect of fluid is poor in existing venturi mixer, close to introducing fluid introduction point side
Region, the concentration that it introduces fluid is higher, and the concentration of its introducing fluid of the region away from introduction point side is relatively low.Prior art
The general angle from enhancing flow disturbance undergoes technological transformation to venturi mixer, above-mentioned technological means in mainstream fluid or
When flow velocity is higher, fluid itself turbulence effect is stronger of fluid is introduced, technological transformation effect is more excellent.But, when fluid itself
When turbulence effect is not strong enough, the mode of outside enhancing disturbance is limited for the castering action of mixing effect of fluid.
The content of the invention
To solve above-mentioned problems of the prior art, the purpose of this utility model is that providing a kind of pipeline that changes hinders
The Novel venturi mixer of force characteristic, can set resistance piece by the different zones in throat's pipeline, change throat's pipeline
Drag characteristic, promote fluid that the nowed forming of " it " font is presented when flowing through throat's pipeline, thus lifting fluid mixing
Effect.
In order to achieve the above object, the technical solution adopted in the present invention is：
It is a kind of change resistance of ducting characteristic Novel venturi mixer, including inflow segment 1, converging transition 2, throat's pipeline 3,
Divergent segment 4, outflow section 5 and introducing pipeline 6, it is characterised in that：Also include resistance piece a7, resistance piece b8, resistance piece c9 and resistance
Power part d10, resistance piece a7 and resistance piece b8 are arranged side by side in the upstream for introducing pipeline 6, and remote positioned at the inside of throat's pipeline 3
From the side for introducing pipeline 6, resistance piece c9 and resistance piece d10 are arranged side by side in the downstream for introducing pipeline 6, and positioned at throat's pipe
The inside in road 3 is close to the side for introducing pipeline 6, the resistance piece a7, resistance piece b8, resistance piece c9 and resistance piece d10 effect
It is to change the drag characteristic inside throat's pipeline 3, promotes fluid that the flowing shape of " it " font is presented when flowing through throat's pipeline 3
State.
The resistance piece a7, resistance piece b8, resistance piece c9 and resistance piece d10 cross sectional shape are streamlined.
Compared to the prior art, the utility model has advantages below：
The Novel venturi mixer for a kind of change resistance of ducting characteristic that the utility model is provided, by throat's pipeline
Different zones in multiple resistance pieces are set, change the drag characteristic of throat's pipeline, and finally promote to pass fluid through throat's pipeline
The nowed forming of Shi Chengxian " it " font.Compared to the technical scheme of existing enhancing flow disturbance, the utility model can be
The mixed effect of effective lifting fluid in bigger condition range so that introduce concentration distribution of the fluid inside runner and more they tend to
Uniformly.At the same time, the resistance piece arrangement that the utility model is used also enhances venturi mixer to a certain extent
Injection performance.
Brief description of the drawings
Fig. 1 is a kind of sectional view for the Novel venturi mixer for changing resistance of ducting characteristic of the utility model.
Fig. 2 is a kind of top view for the Novel venturi mixer for changing resistance of ducting characteristic of the utility model.
Fig. 3 is a kind of left view for the Novel venturi mixer for changing resistance of ducting characteristic of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2 and Figure 3, a kind of Novel venturi mixer bag for changing resistance of ducting characteristic of the utility model
Include inflow segment 1, converging transition 2, throat's pipeline 3, divergent segment 4, outflow section 5 and introduce pipeline 6, in addition to resistance piece a7, resistance
Part b8, resistance piece c9 and resistance piece d10.
As shown in figure 1, resistance piece a7 and resistance piece b8 are arranged side by side in the upstream for introducing pipeline 6, and positioned at throat's pipe
The inside in road 3 is arranged side by side in the downstream for introducing pipeline 6 away from the side for introducing pipeline 6, resistance piece c9 and resistance piece d10, and
And positioned at the inside of throat's pipeline 3 close to the side for introducing pipeline 6.Resistance piece a7, resistance piece b8, resistance piece c9 and resistance piece
D10 effect is the drag characteristic inside change throat pipeline 3, promotes fluid that " it " word is presented when flowing through throat's pipeline 3
The nowed forming of type.
When mainstream fluid, which enters the inside of throat's pipeline 3, introduces the region of the upstream of pipeline 6, introduced due to remote in this region
The side of pipeline 6 is provided with resistance piece a7 and resistance piece b8, and its flow resistance is larger；And close to introducing pipeline 6 in this region
Side is simultaneously not provided with resistance piece, and its flow resistance is smaller, and mainstream fluid is more likely to flow through the less side of flow resistance, therefore
It is not provided with resistance piece and becomes big relatively close to the flow relative increase of this side liquid of pipeline 6, flow velocity is introduced.According to Bernoulli Jacob
Law, during rate of flow of fluid increase, its static pressure is accordingly reduced.The introduction point of introducing fluid, which is located at, is not provided with this side of resistance piece
Downstream, such arrangement expands pressure differential of the mainstream fluid with introducing fluid near introduction point, so as to enhance text
The injection performance of blender in mound.
Introduced, and tentatively mixed inside latter throat's pipeline 3 in the same direction with mainstream fluid by introducing pipeline 6 when introducing fluid
Introduce the downstream area flowing of pipeline 6.It is higher close to the introducing fluid concentrations for introducing the side of pipeline 6 in the region, and it is remote
The introducing fluid concentrations for introducing the side of pipeline 6 are relatively low.Due to introducing the downstream area of pipeline 6 close to the side for introducing pipeline 6
There is provided resistance piece c9 and resistance piece d10, and introduce the downstream area of pipeline 6 away from the side for introducing pipeline 6 and be not provided with resistance
Power part.Therefore, the inside of throat's pipeline 3 introduces the downstream area of pipeline 6 away from the flow relative increase for introducing the side liquid of pipeline 6 one,
Originally the portion of combined stream body close to the side for introducing pipeline 6 will be forced to branch to the side for being not provided with resistance piece.As it was previously stated,
Introducing fluid concentrations close to introducing pipeline 6 side are higher, and fluid of this part shunting enters will away from introducing pipeline 6 side
It can make it that concentration distribution of the introducing fluid on throat's pipe outlet section is more uniform.
In summary, the utility model changes larynx by setting multiple resistance pieces in the different zones of throat's pipeline 3
The drag characteristic of portion's pipeline, is presented the nowed forming of " it " font, effectively improves fluid when passing fluid through throat's pipeline 3
Mixed effect.
It is used as preferred embodiment of the present utility model, as shown in figures 1 and 3, the resistance piece a7, resistance piece b8, resistance
Power part c9 and resistance piece d10 cross sectional shape are streamlined.It is fairshaped be configured to when reduction fluid flows through resistance piece by
The percussion arrived.
Claims (2)
1. a kind of Novel venturi mixer for changing resistance of ducting characteristic, including inflow segment (1), converging transition (2), throat's pipeline
(3), divergent segment (4), outflow section (5) and introducing pipeline (6), it is characterised in that：Also include resistance piece a (7), resistance piece b
(8), resistance piece c (9) and resistance piece d (10), resistance piece a (7) and resistance piece b (8) are arranged side by side in the upper of introducing pipeline (6)
Trip, and positioned at the inside of throat's pipeline (3) away from the side for introducing pipeline (6), resistance piece c (9) and resistance piece d (10) are side by side
The downstream for introducing pipeline (6) is arranged at, and positioned at the inside of throat's pipeline (3) close to the side for introducing pipeline (6), the resistance
Power part a (7), resistance piece b (8), resistance piece c (9) and resistance piece d (10) effect are to change the internal resistance of throat's pipeline (3)
Force characteristic, promotes fluid that the nowed forming of " it " font is presented when flowing through throat's pipeline (3).
2. a kind of Novel venturi mixer for changing resistance of ducting characteristic according to claim 1, it is characterised in that：Institute
It is streamlined to state resistance piece a (7), resistance piece b (8), resistance piece c (9) and resistance piece d (10) cross sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152292.XU CN206560800U (en) | 2017-02-20 | 2017-02-20 | A kind of Novel venturi mixer for changing resistance of ducting characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152292.XU CN206560800U (en) | 2017-02-20 | 2017-02-20 | A kind of Novel venturi mixer for changing resistance of ducting characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206560800U true CN206560800U (en) | 2017-10-17 |
Family
ID=60031180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720152292.XU Expired - Fee Related CN206560800U (en) | 2017-02-20 | 2017-02-20 | A kind of Novel venturi mixer for changing resistance of ducting characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206560800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362834A (en) * | 2018-02-06 | 2018-08-03 | 中国科学院生态环境研究中心 | A kind of open ozone concentration increase simulation system |
-
2017
- 2017-02-20 CN CN201720152292.XU patent/CN206560800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362834A (en) * | 2018-02-06 | 2018-08-03 | 中国科学院生态环境研究中心 | A kind of open ozone concentration increase simulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20180220 |