CN104028132A - Venturi mixer with symmetrical inlet pipes at throat part - Google Patents
Venturi mixer with symmetrical inlet pipes at throat part Download PDFInfo
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- CN104028132A CN104028132A CN201410218886.7A CN201410218886A CN104028132A CN 104028132 A CN104028132 A CN 104028132A CN 201410218886 A CN201410218886 A CN 201410218886A CN 104028132 A CN104028132 A CN 104028132A
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- venturi
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Abstract
The invention discloses a venturi mixer with symmetrical inlet pipes at a throat part. The venturi mixer comprises a mainstream venturi pipe flow-in pipeline, a mainstream venturi pipe tapered section, the mainstream venturi pipe throat part, a mainstream venturi pipe diffusion section and a mainstream venturi pipe flow-out pipeline, wherein the mainstream venturi pipe throat part is symmetrically provided with a first inlet pipe, a second inlet pipe, a third inlet pipe and a fourth inlet pipe which are oblique toward the mainstream venturi pipe diffusion section, are communicated with the mainstream venturi pipe throat part and are centrally provided with open pores in which an inlet fluid flows. Compared with a traditional single inlet mode, the mode disclosed by the invention has the advantages that the inlet fluid can be distributed more uniformly; a mainstream fluid flows through the throat part, and converges with the inlet fluid at the center of the throat part so as to form intense reverse opposite impact, so that the influence to a mixing effect of a boundary layer is reduced fully, the turbulent effect increases, the mixing effect of the mainstream fluid and the inlet fluid nearby the central line is improved, the mixing efficiency is improved effectively, and the using range of the venturi mixer is expanded.
Description
Technical field
The present invention relates to a kind of venturi mixer, be specifically related to the venturi mixer that symmetrical inlet tube is contained in a kind of throat.
Background technology
Venturi mixer is as a kind of important gas-liquid or liquid liquid mixing arrangement, in engineering reality, have a wide range of applications, the classical venturi tube of common Venturi tube mixer Wei Yige throat perforate, main flow fluid is flow through by classical venturi tube, introducing fluid flows into through single perforate, utilize the pressure variation of two kinds of fluids will introduce fluid and main flow blending of falling liquid film, existing venturi mixer is comprised of main flow Venturi tube and single inlet tube, if main current flow rate of flow of fluid is too high or flow is excessive, near main flow fluid center line can not mix fully with introducing fluid, introduce fluid and can not flow near the main current flow tagma of center line, easily there is the problem that mixing efficiency is low, and due to the existence in boundary layer, rate of flow of fluid near wall place is lower, therefore easily occur that fluid mixes uneven phenomenon.
Summary of the invention
For solving above-mentioned problems of the prior art, the venturi mixer that the object of the present invention is to provide a kind of throat to contain symmetrical inlet tube, not only improved main flow fluid and introduced near the mix situation of fluid center line, also destroyed the boundary layer of fluid-mixing, having improved near the flow field of throat's wall flows, fully reduced the impact of boundary layer on mixed effect, avoid occurring that main current flow rate of flow of fluid is higher, or introduce the inhomogeneous and low problem of mixing efficiency of mixing that fluid flow causes more greatly, and make the present invention be applicable to the introducing fluid of wider scope and the flowrate proportioning of main flow fluid.
In order to achieve the above object, the technical solution adopted in the present invention is:
The venturi mixer that symmetrical inlet tube is contained in a kind of throat, comprise the main flow Venturi tube flow ipe 1 being connected successively, main flow Venturi tube converging transition 2, main flow Venturi tube throat 3, main flow Venturi tube diffuser 5 and main flow Venturi tube flow out pipeline 6, in described main flow Venturi tube throat 3, be provided with symmetrical, the first inlet tube 7 being communicated with main flow Venturi tube throat 3 tilting to main flow Venturi tube diffuser 5, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10, described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 centers have introduces the perforate 4 that fluid flows into.
Described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are arranged on main flow Venturi tube throat 3 and apart from main flow fluid, flow into the 1/2L of end, and wherein L is the length of venturi mixer throat.
Described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are all 21.6 ° with horizontal axis.
The fluid that described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are introduced converges at 1/5L place, upstream, main flow Venturi tube throat center, form and liquidate, and wherein L is the length of venturi mixer throat.
Described main flow Venturi tube flow ipe 1, main flow Venturi tube converging transition 2, main flow Venturi tube throat 3, main flow Venturi tube diffuser 5, main flow Venturi tube flow out pipeline 6 and are revolving body.
Compared to the prior art, the present invention has the following advantages:
The fluid introduction structure of venturi mixer of the present invention throat is comprised of special inlet tube, overcome the low shortcoming of original venturi mixer mixing efficiency, effectively improved the mixing efficiency of venturi mixer, compare with the single inlet tube of tradition, the jet that the fluid that 4 introducing modes that liquidate are introduced from different azimuth produces can interact, the distribution of introducing fluid is more even, has strengthened perturbation action, has avoided mixing the appearance of uneven phenomenon.If main current flow rate of flow of fluid is too high or flow is excessive, near main flow fluid center line can not mix fully with introducing fluid, in main flow Venturi tube central area, easily form " giving up the idea ", introduce fluid and can not flow near the main current flow tagma of center line, four inlet tubes of the present invention are all 21.6 ° of angles with main flow Venturi tube horizontal axis, the mode that inlet tube is in tilted layout makes the flow path direction that comes of main flow fluid and introducing fluid be certain angle, the fluid that described four inlet tubes are introduced is all located to converge in main flow Venturi tube throat 3 center, upstream 1/5L (L is the length of venturi mixer throat), and form strong reversed hedge, make the fluid in pipe more easily change turbulent flow into, having improved near the flow field of throat's wall flows, destroyed original boundary layer, fully reduced the impact of boundary layer on mixed effect, improve main flow fluid and introduced near the mixed effect of fluid center line, avoid occurring that main current flow rate of flow of fluid is higher, or introduce the inhomogeneous and low problem of mixing efficiency of mixing that fluid flow causes more greatly, make main flow fluid more even with mixing of introducing fluid, strengthened the mixed effect of main flow Venturi tube, make the present invention be applicable to the introducing fluid of wider scope and the flowrate proportioning of main flow fluid.
Accompanying drawing explanation
The generalized section of the venturi mixer that symmetrical inlet tube is contained in Tu1Wei throat of the present invention.
The side view of the venturi mixer that special symmetrical inlet tube is contained in Tu2Wei throat of the present invention.
Fig. 3 is the partial schematic diagram of inlet tube of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2, the venturi mixer that symmetrical inlet tube is contained in a kind of throat of the present invention, comprise the main flow Venturi tube flow ipe 1 being connected successively, main flow Venturi tube converging transition 2, main flow Venturi tube throat 3, main flow Venturi tube diffuser 5 and main flow Venturi tube flow out pipeline 6, in described main flow Venturi tube throat 3, be provided with symmetrical, the first inlet tube 7 being communicated with main flow Venturi tube throat 3 tilting to main flow Venturi tube diffuser 5, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10, described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 centers have introduces the perforate 4 that fluid flows into.If main current flow rate of flow of fluid is too high or flow is excessive, near main flow fluid center line can not mix fully with introducing fluid, in main flow Venturi tube central area, easily form " giving up the idea ", introduce fluid and can not flow near the main current flow tagma of center line, the angle of inlet tube of the present invention and main flow venturi mixer horizontal axis is 21.6 °, the mode that inlet tube is in tilted layout makes the flow path direction that comes of main flow fluid and introducing fluid be certain angle, main flow fluid flow through throat 3 with introduce fluid and locate to converge at main flow Venturi tube throat upstream center 1/5L (L is the length of venturi mixer throat), liquidate, strengthened the flow-disturbing effect in this region, impel jet to involve whole throat section, form strong reversed hedge, make the fluid in main flow Venturi tube produce strong disturbance, its perturbation action makes the fluid in pipe more easily change turbulent flow into, improve fully main flow fluid and introduced near the mixed effect of fluid center line, not only make former central area " giving up the idea " to disappear, also fully reduced the impact of boundary layer on mixed effect, 4 introducing modes that liquidate are introduced fluid from different azimuth, the jet producing can interact, strengthened perturbation action, further strengthened mixed effect, avoided mixing the appearance of uneven phenomenon, expanded the scope of application of venturi mixer.
As the preferred embodiment of the present invention, as shown in Figure 3, described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are arranged on main flow Venturi tube throat 3 and apart from main flow fluid, flow into the 1/2L of end, and the fluid that described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are introduced converges at 1/5L place, upstream, main flow Venturi tube throat center, form and liquidate.
As the preferred embodiment of the present invention, as shown in Figure 3, described the first inlet tube 7, the second inlet tube 8, the 3rd inlet tube 9 and the 4th inlet tube 10 are all 21.6 ° of angles with horizontal axis, 4 introducing modes that liquidate make main flow fluid fully mix at throat center with introducing fluid, improve main flow fluid and introduced near the mixed effect of fluid center line, fully reduce the impact of boundary layer on mixed effect, further avoided mixing uneven phenomenon.
As the preferred embodiment of the present invention, described main flow Venturi tube flow ipe 1, main flow Venturi tube converging transition 2, main flow Venturi tube throat 3, main flow Venturi tube diffuser 5, main flow Venturi tube flow out pipeline 6 and are revolving body, are convenient to processing.
Claims (5)
- The venturi mixer that symmetrical inlet tube is contained in 1.Yi Zhong throat, comprise the main flow Venturi tube flow ipe (1) being connected successively, main flow Venturi tube converging transition (2), main flow Venturi tube throat (3), main flow Venturi tube diffuser (5) and main flow Venturi tube flow out pipeline (6), it is characterized in that: in described main flow Venturi tube throat (3), be provided with symmetrical, the first inlet tube (7) being communicated with main flow Venturi tube throat (3) tilting to main flow Venturi tube diffuser (5), the second inlet tube (8), the 3rd inlet tube (9) and the 4th inlet tube (10), described the first inlet tube (7), the second inlet tube (8), the 3rd inlet tube (9) and the 4th inlet tube (10) center have introduces the perforate (4) that fluid flows into.
- 2. the venturi mixer that symmetrical inlet tube is contained in a kind of throat according to claim 1, described the first inlet tube (7), the second inlet tube (8), the 3rd inlet tube (9) and the 4th inlet tube (10) are arranged on main flow Venturi tube throat (3) and apart from main flow fluid, flow into the 1/2L of end, and wherein L is the length of venturi mixer throat.
- 3. the venturi mixer that symmetrical inlet tube is contained in a kind of throat according to claim 1, described the first inlet tube (7), the second inlet tube (8), the 3rd inlet tube (9) and the 4th inlet tube (10) are all 21.6 ° with horizontal axis.
- 4. the venturi mixer that symmetrical inlet tube is contained in a kind of throat according to claim 1, the fluid that described the first inlet tube (7), the second inlet tube (8), the 3rd inlet tube (9) and the 4th inlet tube (10) are introduced converges at 1/5L place, upstream, main flow Venturi tube throat center, form and liquidate, and wherein L is the length of venturi mixer throat.
- 5. the venturi mixer that symmetrical inlet tube is contained in a kind of throat according to claim 1, described main flow Venturi tube flow ipe (1), main flow Venturi tube converging transition (2), main flow Venturi tube throat (3), main flow Venturi tube diffuser (5), main flow Venturi tube flow out pipeline (6) and are revolving body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218886.7A CN104028132B (en) | 2014-05-22 | 2014-05-22 | The venturi mixer of symmetrical introducing pipe is contained in a kind of throat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218886.7A CN104028132B (en) | 2014-05-22 | 2014-05-22 | The venturi mixer of symmetrical introducing pipe is contained in a kind of throat |
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| CN104028132A true CN104028132A (en) | 2014-09-10 |
| CN104028132B CN104028132B (en) | 2016-08-24 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498648A (en) * | 2014-09-24 | 2016-04-20 | 中国石油大学(北京) | Hydration reactor, and method therewith for separating methane from coalbed methane-air mixture |
| CN108144470A (en) * | 2017-12-18 | 2018-06-12 | 大连通亚重工有限公司 | A kind of gas-liquid mixed pipe |
| CN109499411A (en) * | 2019-01-14 | 2019-03-22 | 西安交通大学 | It is a kind of can secondary mixed Venturi tube |
| CN109529755A (en) * | 2019-02-01 | 2019-03-29 | 大连海事大学 | A kind of more suction reinforcing mixing venturi reactors |
| CN109999287A (en) * | 2019-05-05 | 2019-07-12 | 山东大学第二医院 | Nebulizer is used in a kind of anesthesia |
| CN110026911A (en) * | 2019-05-27 | 2019-07-19 | 广州大学 | A kind of feed nozzle and material mixed method for strengthening attrition process |
| CN110419310A (en) * | 2019-07-10 | 2019-11-08 | 西安交通大学 | A kind of low pressure irrigation double suction fertilizer mouth Development of Venturi Fertilizer Applicator |
| CN114699995A (en) * | 2022-04-18 | 2022-07-05 | 嘉兴学院 | Fixed bed reactor for producing hydrogen by catalytic reforming of biological oil vapor |
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| CN202823065U (en) * | 2012-09-07 | 2013-03-27 | 白银有色集团股份有限公司 | External-spraying type anti-abrasion venturi dust removal device |
| CN102990265A (en) * | 2012-11-23 | 2013-03-27 | 中国航空工业集团公司北京航空制造工程研究所 | Welding method and clamp of Venturi tube with bend |
| CN203061076U (en) * | 2013-02-04 | 2013-07-17 | 西安交通大学 | Multipoint introduction structure of Venturi mixer |
| CN203874685U (en) * | 2014-05-22 | 2014-10-15 | 西安交通大学 | Novel Venturi mixer containing special guiding pipes at throat part |
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2014
- 2014-05-22 CN CN201410218886.7A patent/CN104028132B/en active Active
Patent Citations (5)
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| US4397422A (en) * | 1981-06-04 | 1983-08-09 | Gwyn Marion V | Full spectrum selective color producing and spraying device |
| CN202823065U (en) * | 2012-09-07 | 2013-03-27 | 白银有色集团股份有限公司 | External-spraying type anti-abrasion venturi dust removal device |
| CN102990265A (en) * | 2012-11-23 | 2013-03-27 | 中国航空工业集团公司北京航空制造工程研究所 | Welding method and clamp of Venturi tube with bend |
| CN203061076U (en) * | 2013-02-04 | 2013-07-17 | 西安交通大学 | Multipoint introduction structure of Venturi mixer |
| CN203874685U (en) * | 2014-05-22 | 2014-10-15 | 西安交通大学 | Novel Venturi mixer containing special guiding pipes at throat part |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498648B (en) * | 2014-09-24 | 2017-11-28 | 中国石油大学(北京) | A kind of hydration reactor and the method for mixing methane in empty coal bed gas using reactor separation |
| CN105498648A (en) * | 2014-09-24 | 2016-04-20 | 中国石油大学(北京) | Hydration reactor, and method therewith for separating methane from coalbed methane-air mixture |
| CN108144470A (en) * | 2017-12-18 | 2018-06-12 | 大连通亚重工有限公司 | A kind of gas-liquid mixed pipe |
| CN109499411B (en) * | 2019-01-14 | 2024-02-02 | 西安交通大学 | Venturi tube capable of being secondarily mixed |
| CN109499411A (en) * | 2019-01-14 | 2019-03-22 | 西安交通大学 | It is a kind of can secondary mixed Venturi tube |
| CN109529755A (en) * | 2019-02-01 | 2019-03-29 | 大连海事大学 | A kind of more suction reinforcing mixing venturi reactors |
| CN109999287A (en) * | 2019-05-05 | 2019-07-12 | 山东大学第二医院 | Nebulizer is used in a kind of anesthesia |
| CN110026911A (en) * | 2019-05-27 | 2019-07-19 | 广州大学 | A kind of feed nozzle and material mixed method for strengthening attrition process |
| CN110026911B (en) * | 2019-05-27 | 2020-06-05 | 广州大学 | Feeding spray head for intensive grinding processing and material mixing method |
| WO2021004190A1 (en) * | 2019-07-10 | 2021-01-14 | 西安交通大学 | Low-pressure irrigation venturi fertilizer applicator with dual fertilizer suction ports |
| CN110419310B (en) * | 2019-07-10 | 2021-11-19 | 西安交通大学 | Low-pressure irrigation double-fertilizer-suction-port Venturi fertilizer applicator |
| CN110419310A (en) * | 2019-07-10 | 2019-11-08 | 西安交通大学 | A kind of low pressure irrigation double suction fertilizer mouth Development of Venturi Fertilizer Applicator |
| CN114699995A (en) * | 2022-04-18 | 2022-07-05 | 嘉兴学院 | Fixed bed reactor for producing hydrogen by catalytic reforming of biological oil vapor |
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| CN104028132B (en) | 2016-08-24 |
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Effective date of registration: 20210413 Address after: Room 78328, building 3, No. 1800, Panyuan Road, Changxing Town, Chongming District, Shanghai 202150 (Shanghai Taihe Economic Development Zone) Patentee after: Dushi (Shanghai) science and Technology Service Center Address before: 710049 No. 28, Xianning Road, Xi'an, Shaanxi Patentee before: XI'AN JIAOTONG University |
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