CN103111212B - Multi-point introduction structure and flow control mode of venturi mixer - Google Patents
Multi-point introduction structure and flow control mode of venturi mixer Download PDFInfo
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- CN103111212B CN103111212B CN201310044360.7A CN201310044360A CN103111212B CN 103111212 B CN103111212 B CN 103111212B CN 201310044360 A CN201310044360 A CN 201310044360A CN 103111212 B CN103111212 B CN 103111212B
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- 239000012530 fluid Substances 0.000 claims abstract description 60
- 230000007704 transition Effects 0.000 claims description 9
- 238000010348 incorporation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 abstract description 25
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The invention relates to a multi-point introduction structure and a flow control mode of a venturi mixer. The venturi mixer comprises a mainflow venturi tube and a plurality of introduction tubes communicated with the venturi tube throat part of the mainflow venturi tube. According to the plurality of introduction tubes, a first introduction tube, a second introduction tube, a third introduction tube and a fourth introduction tube are arranged in the angle of 90 degrees in the same cross section of the venturi tube throat part; or the first introduction tube and the second introduction tube are arranged at the upper end of the venturi tube throat part while the third introduction tube and the fourth introduction tube are arranged at the lower end of the venturi tube throat part, wherein the first introduction tube and the second introduction tube are in an asymmetric staggering arrangement with the third introduction tube and the fourth introduction tube. According to the flow control mode, the flow of the introduced fluid in the plurality of introduction tubes is controlled in a pulse mode, so that the mixing of the introduced fluid and the mainflow fluid is enhanced, i.e., the mixing efficiency of the venturi mixer is improved. Based on the flow control mode, the fluid flows in different introduction points can be adjusted. Therefore, the venturi mixer is suitable for the flow proportioning of the introduced fluid and the mainflow fluid in a wider range.
Description
Technical field
The present invention relates to venturi mixer technical field, the multiple spot being specifically related to a kind of venturi mixer introduces structure and flow control mode.
Background technology
Venturi mixer, as a kind of important gas-liquid or liquid liquid mixing arrangement, has a wide range of applications in engineering reality.Common venturi mixer is the classical venturi tube of throat's perforate, and mainstream fluid flows through by classical venturi tube, introduces fluid and flows into through perforate, utilizes the pressure of two kinds of fluids change the introducing of introducing fluid and carry out blending with mainstream fluid.Introduce fluid in existing venturi mixer to introduce via a place.Introduce in structure at this venturi, can not regulate the flow introducing fluid and the position of introducing fluid, if mainstream fluid flow velocity is lower or it is comparatively large to introduce fluid flow, easily there is the problems such as the uneven and mixing efficiency of mixing is low.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of multiple spot of venturi mixer to introduce structure and flow control mode, can strengthen and introduce mixing of fluid and mainstream fluid, the mixing efficiency of raising venturi mixer; Its flow control methods can regulate the different fluid flow introducing point, makes venturi mixer be applicable to the introducing fluid of wider scope and the flowrate proportioning of mainstream fluid.
For achieving the above object, the technical solution adopted in the present invention is:
The multiple spot of venturi mixer introduces a structure, comprises the main flow Venturi tube that mainstream fluid flows through, and also comprises multiple inlet tubes that the introducing fluid that is connected with the venturi throat 3 of described main flow Venturi tube flows through.
The arrangement of described multiple inlet tube is: arrange that the first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 and the 4th inlet tube 9, first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 are all connected with venturi throat 3 with the 4th inlet tube 9 mutually in the same cross section of venturi throat 3 in 90 °ly.
The arrangement of described multiple inlet tube is be furnished with the first inlet tube 6 and the second inlet tube 7 in the upper end of venturi throat 3, lower end is furnished with the 3rd inlet tube 8 and the 4th inlet tube 9, and described first inlet tube 6 and the second inlet tube 7 and the 3rd inlet tube 8 and the asymmetric stagger arrangement of the 4th inlet tube 9 are arranged.
Described first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 are connected with the perforate of venturi throat 3 by venturi throat 3 with the 4th inlet tube 9, the structure of described perforate be near outside wall surface side with one section of converging transition 10 with near internal face side with straight-run of pipe section 11 to be connected formation, this converging transition can improve the introducing speed introducing fluid, is conducive to the mixing of fluid.
Described main flow Venturi tube comprises the Venturi tube flow ipe 1, Venturi tube converging transition 2, venturi throat 3, Venturi tube diffuser 4 and the Venturi tube outflow conduit 5 that are communicated with successively.
Described main flow Venturi tube and multiple inlet tube are revolving body.
The multiple spot of a kind of venturi mixer described above introduces the flow control mode of structure, adopts pulse incorporation way to carry out flow-control to the introducing fluid in multiple inlet tube, is specially:
Pulse one: the first inlet tube 6 and the 3rd inlet tube 8 have flow, and the second inlet tube 7 and the 4th inlet tube 9 are without flow;
Pulse two: the first inlet tube the 6 and the 38 is without flow, and the second inlet tube 7 and the 4th inlet tube 9 have flow;
Pulse three: the first inlet tube 6 and the 3rd inlet tube 8 flow are large, the second inlet tube 7 and the 4th inlet tube 9 flow little;
Pulse four: the first inlet tube 6 and the 3rd inlet tube 8 flow little, the second inlet tube 7 and the 4th inlet tube 9 flow large;
Pulse five: arbitrary inlet tube flow is large, and its excess-three inlet tube flow is little.
Described pulse one, pulse two, pulse three, pulse four and pulse five alternately can repeat continuously with random order.
Compared to the prior art, tool has the following advantages in the present invention:
The multiple spot of venturi mixer of the present invention introduces structure and flow control mode, introducing fluid can be made to be introduced by the diverse location of main flow venturi throat, spatially enhance the mixing effect of mainstream fluid and introducing fluid, 4 incorporation way liquidated make the mainstream fluid in same cross section liquidate respectively with introducing fluid jet at diverse location mix, effectively can avoid the appearance of mixing uneven phenomenon; And the jet that the introducing fluid of diverse location produces can influence each other, enhance perturbation action, improve the mixing efficiency of venturi mixer; The flow control mode of venturi mixer of the present invention adopts the incorporation way of pulse, enhances the mixing effect of mainstream fluid and introducing fluid, and that introduces scheme alternately repeats the mixing efficiency that further enhancing venturi mixer continuously; Meanwhile, introducing scheme can change uninterrupted as required, expands the scope of application of same venturi mixer; The special drilling structure of venturi throat make use of venturi principle again, can effectively improve introducing rate of flow of fluid, improves mixing efficiency; All building blocks are revolving body, easy to process.
Accompanying drawing explanation
Fig. 1 is the generalized section of the multiple spot introducing structure of the embodiment of the present invention one venturi mixer.
Fig. 2 is the side view of the multiple spot introducing structure of the embodiment of the present invention one venturi mixer.
Fig. 3 is the generalized section of the multiple spot introducing structure of the embodiment of the present invention two venturi mixer.
Fig. 4 is the side view of the multiple spot introducing structure of the embodiment of the present invention two venturi mixer.
Fig. 5 is throat's inlet tube entrance partial schematic diagram of the multiple spot introducing structure of the embodiment of the present invention one and embodiment two venturi mixer.
Fig. 6 is the flow-disturbing schematic diagram of the multiple spot introducing structure of the embodiment of the present invention one venturi mixer.
Fig. 7 is the flow-disturbing schematic diagram of the multiple spot introducing structure of the embodiment of the present invention two venturi mixer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment one
As depicted in figs. 1 and 2, the multiple spot of a kind of venturi mixer of the present embodiment introduces structure, comprise the main flow Venturi tube that mainstream fluid flows through, described main flow Venturi tube comprises the Venturi tube flow ipe 1, Venturi tube converging transition 2, venturi throat 3, Venturi tube diffuser 4 and the Venturi tube outflow conduit 5 that are communicated with successively; Also comprise multiple inlet tubes that the introducing fluid that is connected with the venturi throat 3 of described main flow Venturi tube flows through, the arrangement of described multiple inlet tube is: arrange that the first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 and the 4th inlet tube 9, first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 are all connected with venturi throat 3 with the 4th inlet tube 9 mutually in the same cross section of venturi throat 3 in 90 °ly.Introduce fluid to be introduced by the diverse location of main flow venturi throat, enhance the mixing effect of mainstream fluid and introducing fluid, 4 incorporation way liquidated make the mainstream fluid in same cross section mix respectively with introducing fluid at diverse location, effectively can avoid the appearance mixing uneven phenomenon; The jet that the arrangement of multiple inlet tube produces from the fluid that diverse location is introduced can influence each other, and enhances perturbation action, improves the mixing efficiency of venturi mixer.The present embodiment can allow the flow-disturbing produced between each jet as shown in Figure 6, strengthens the immixture of venturi mixer.
As shown in Figure 5, as the preferred version of the present embodiment, described first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 are connected with the perforate of venturi throat 3 by venturi throat 3 with the 4th inlet tube 9, the structure of described perforate be near outside wall surface side with one section of converging transition 10 with near internal face side with straight-run of pipe section 11 to be connected formation.This special drilling structure make use of venturi principle again, can effectively improve introducing rate of flow of fluid, improves mixing efficiency.
As depicted in figs. 1 and 2, as the preferred version of the present embodiment, described main flow Venturi tube and multiple inlet tube are revolving body, easy to process.
Embodiment two
As shown in Figure 3 and Figure 4, the multiple spot of a kind of venturi mixer of the present embodiment introduces structure, comprise the main flow Venturi tube that mainstream fluid flows through, described main flow Venturi tube comprises the Venturi tube flow ipe 1, Venturi tube converging transition 2, venturi throat 3, Venturi tube diffuser 4 and the Venturi tube outflow conduit 5 that are communicated with successively; Also comprise multiple inlet tubes that the introducing fluid that is connected with the venturi throat 3 of described main flow Venturi tube flows through, the arrangement of described multiple inlet tube is be furnished with the first inlet tube 6 and the second inlet tube 7 in the upper end of venturi throat 3, lower end is furnished with the 3rd inlet tube 8 and the 4th inlet tube 9, and described first inlet tube 6 and the second inlet tube 7 and the 3rd inlet tube 8 and the asymmetric stagger arrangement of the 4th inlet tube 9 are arranged.Introduce fluid to be introduced by the diverse location of main flow venturi throat, enhance the mixing effect of mainstream fluid and introducing fluid, 4 incorporation way liquidated make the mainstream fluid in same cross section mix respectively with introducing fluid at diverse location, effectively can avoid the appearance mixing uneven phenomenon; The jet that the fluid of the arrangement diverse location introducing of multiple inlet tube produces can influence each other, and enhances perturbation action, improves the mixing efficiency of venturi mixer.The present embodiment can allow the flow-disturbing produced between each jet as shown in Figure 7, strengthens the immixture of venturi mixer.
As shown in Figure 5, as the preferred version of the present embodiment, described first inlet tube 6, second inlet tube 7, the 3rd inlet tube 8 are connected with the perforate of venturi throat 3 by venturi throat 3 with the 4th inlet tube 9, the structure of described perforate be near outside wall surface side with one section of converging transition 10 with near internal face side with straight-run of pipe section 11 to be connected formation.This special drilling structure make use of venturi principle again, can effectively improve introducing rate of flow of fluid, improves mixing efficiency.
As shown in Figure 3 and Figure 4, as the preferred version of the present embodiment, described main flow Venturi tube and multiple inlet tube are revolving body, easy to process.
The multiple spot of a kind of venturi mixer of the present invention introduces the flow control methods of structure, pulse incorporation way is adopted to carry out flow-control to the introducing fluid in multiple inlet tube, be specially: pulse one: the first inlet tube 6 and the 3rd inlet tube 8 have flow, the second inlet tube 7 and the 4th inlet tube 9 are without flow; Pulse two: the first inlet tube the 6 and the 38 is without flow, and the second inlet tube 7 and the 4th inlet tube 9 have flow; Pulse three: the first inlet tube 6 and the 3rd inlet tube 8 flow are large, the second inlet tube 7 and the 4th inlet tube 9 flow little; Pulse four: the first inlet tube 6 and the 3rd inlet tube 8 flow little, the second inlet tube 7 and the 4th inlet tube 9 flow large; Pulse five: arbitrary inlet tube flow is large, and its excess-three inlet tube flow is little.Above-mentioned pulse one, pulse two, pulse three, pulse four and pulse five alternately can repeat continuously with random order.Introduce the incorporation way that fluid adopts pulse, enhance the mixing effect of mainstream fluid and introducing fluid, that introduces scheme alternately repeats the mixing efficiency that further enhancing venturi mixer continuously; Meanwhile, introducing scheme can change uninterrupted as required, expands the scope of application of same venturi mixer.
Claims (5)
1. the multiple spot of a venturi mixer introduces the flow control mode of structure, described multiple spot introducing structure comprises the main flow Venturi tube that mainstream fluid flows through, also comprise multiple inlet tubes that the introducing fluid that is connected with the venturi throat (3) of described main flow Venturi tube flows through, it is characterized in that: the arrangement of described multiple inlet tube is: arrange the first inlet tube (6) mutually in the same cross section of venturi throat (3) in 90 °ly, second inlet tube (7), 3rd inlet tube (8) and the 4th inlet tube (9), first inlet tube (6), second inlet tube (7), 3rd inlet tube (8) is all connected with venturi throat (3) with the 4th inlet tube (9), or the arrangement of described multiple inlet tube is: be furnished with the first inlet tube (6) and the second inlet tube (7) in the upper end of venturi throat (3), lower end is furnished with the 3rd inlet tube (8) and the 4th inlet tube (9), and described first inlet tube (6) and the second inlet tube (7) are arranged with the 3rd inlet tube (8) and the 4th inlet tube (9) asymmetric stagger arrangement, it is characterized in that: adopt pulse incorporation way to carry out flow-control to the introducing fluid in multiple inlet tube, be specially:
Pulse one: the first inlet tube (6) and the 3rd inlet tube (8) have flow, and the second inlet tube (7) and the 4th inlet tube (9) are without flow;
Pulse two: the first inlet tube (6) and the 3rd (8) is without flow, and the second inlet tube (7) and the 4th inlet tube (9) have flow;
Pulse three: the first inlet tube (6) and the 3rd inlet tube (8) flow are large, the second inlet tube (7) and the 4th inlet tube (9) flow little;
Pulse four: the first inlet tube (6) and the 3rd inlet tube (8) flow little, the second inlet tube (7) and the 4th inlet tube (9) flow large;
Pulse five: arbitrary inlet tube flow is large, and its excess-three inlet tube flow is little.
2. flow control mode according to claim 1, is characterized in that: described pulse one, pulse two, pulse three, pulse four and pulse five alternately repeat continuously with random order.
3. flow control mode according to claim 1, it is characterized in that: described first inlet tube (6), the second inlet tube (7), the 3rd inlet tube (8) are connected with the perforate of venturi throat (3) by venturi throat (3) with the 4th inlet tube (9), the structure of described perforate be near outside wall surface side with one section of converging transition (10) with near internal face side with straight-run of pipe section (11) to be connected formation.
4. flow control mode according to claim 1, is characterized in that: described main flow Venturi tube comprises the Venturi tube flow ipe (1), Venturi tube converging transition (2), venturi throat (3), Venturi tube diffuser (4) and the Venturi tube outflow conduit (5) that are communicated with successively.
5. flow control mode according to claim 1, is characterized in that: described main flow Venturi tube and multiple inlet tube are revolving body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310044360.7A CN103111212B (en) | 2013-02-04 | 2013-02-04 | Multi-point introduction structure and flow control mode of venturi mixer |
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| CN201310044360.7A CN103111212B (en) | 2013-02-04 | 2013-02-04 | Multi-point introduction structure and flow control mode of venturi mixer |
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| CN103111212B true CN103111212B (en) | 2015-06-03 |
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| GB1529120A (en) * | 1976-10-25 | 1978-10-18 | Wiegand Karlsruhe Gmbh | Method and device for washing constituents from gases |
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Effective date of registration: 20210406 Address after: No. 199, Beihuan Road, Tangqiao town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: SMOOTH MACHINE SYSTEMS Co.,Ltd. Address before: 710049 No. 28, Xianning Road, Xi'an, Shaanxi Patentee before: XI'AN JIAOTONG University |
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Address after: No. 199, Beihuan Road, Tangqiao town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Shangshun Technology Co.,Ltd. Country or region after: China Address before: No. 199, Beihuan Road, Tangqiao town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: SMOOTH MACHINE SYSTEMS Co.,Ltd. Country or region before: China |