CN208894000U - A kind of venturi mixer - Google Patents
A kind of venturi mixer Download PDFInfo
- Publication number
- CN208894000U CN208894000U CN201821640941.1U CN201821640941U CN208894000U CN 208894000 U CN208894000 U CN 208894000U CN 201821640941 U CN201821640941 U CN 201821640941U CN 208894000 U CN208894000 U CN 208894000U
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- CN
- China
- Prior art keywords
- tube body
- connecting tube
- main pipe
- tube
- liquid
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- 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.)
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Abstract
The utility model proposes a kind of venturi mixers, it include: main pipe and bypass tube body, the main pipe is by introducing pipeline, converging transition, throat, divergent segment and outflow pipeline successively form, the rounded L-type tube body of the bypass tube body, the introducing pipeline is stretched out in one end of the bypass tube body, the other end of the bypass tube body extends to converging transition, and high speed nozzle is installed, mainstream liquid or gas are introduced in the shunt valve body, draining fluids or gas are introduced in the main pipe, the draining fluids are inhaled into main pipe under the negative pressure of mainstream liquid, it is flowed out after being mixed with mainstream liquid at high speed through the outflow pipeline.Sufficiently, mixing efficiency is good, and protects venturi conduit for the utility model mixing.
Description
Technical field
The utility model relates to venturi mixer technical field, in particular to a kind of venturi mixer.
Background technique
Venturi mixer is a kind of in the engineering gas-liquid of extensive application or liquid liquid mixing arrangement in practice.Such as
The application that liquefied gas in petrochemical industry mixes with air passes through superonic flow nozzzle height using the pressure of liquefied gas itself
Speed sprays, and negative pressure is formed in induction chamber, injection is exported into outside air, and after mixing in Venturi tube with liquefied gas, liquid
Liquefied oil gas and air mixing are to generate gaseous mixture more lower than liquefied petroleum gas calorific value.The mixture generated in this way is commonly used in
Industry or commercial facility, to replace other fuel gas.The mixture can replace other fuel gas completely, or can be mixed
It closes to generate similar characteristic, is then mixed with substantially fuel gas.The start and stop of equipment are that the variation of foundation ductwork pressure is automatically real
Existing.Since air is entered by negative-pressure ejecting, the injection pressure of liquefied gas cannot be too low, general to require in 3kgf/
Cm2 or more.
All it is to introduce the liquid of mainstream or gas in main pipe in the prior art, is sprayed through high speed nozzle, is formed negative
Pressure, the liquid or gas of drainage perpendicularly into main pipe, can produce when the liquid or gas of drainage enter main pipe under negative pressure
A raw impact force, is easily damaged pipeline, and the liquid or gas of the liquid of mainstream or gas and drainage be vertically oriented into
Row mixing, mixing efficiency is slow, and the bypass tube body of the application is L-shaped setting, by the liquid of mainstream or gas in shunt valve
Main pipe is introduced in body, the liquid or gas of drainage introduce in main pipe, after the structure of the utility model is improved, drainage
Liquid or gas be that parallel direction enters main pipe, to inner wall of the pipe generate impact force it is small, be hardly damaged pipeline, and
It is easy to be mixed with the liquid of mainstream or gas.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is that propose a kind of venturi mixer, the liquid or gas of drainage
Body is that parallel direction enters main pipe, and the impact force generated to inner wall of the pipe is small, is hardly damaged pipeline.
The utility model solves technical solution used by above-mentioned technical problem: a kind of venturi mixer, feature
It is, comprising: main pipe and bypass tube body, the main pipe is by introducing pipeline, converging transition, throat, divergent segment and outflow pipeline
It successively forms, the rounded L-type tube body of the bypass tube body, the introducing pipeline is stretched out in one end of the bypass tube body, described
The other end of bypass tube body extends to converging transition, and is equipped with high speed nozzle, and mainstream liquid or gas are introduced in the shunt valve body
Body, the interior introducing draining fluids of the main pipe or gas, the draining fluids are inhaled into main pipe under the negative pressure of mainstream liquid,
It is flowed out after being mixed with mainstream liquid at high speed through the outflow pipeline.
Further, the main pipe, the main pipe are made of preceding tube body and rear tube body, and the preceding tube body includes introducing pipe
Road, converging transition, throat's front half section, the rear tube body include throat's second half section, divergent segment and outflow pipeline, wherein the throat
Front half section is connected with throat's second half section by connecting tube, and the connecting pipe box are located at the outside of the preceding tube body and rear tube body, institute
Tube body is fixedly connected with the connecting tube before stating, and is flexibly connected between tube body and the connecting tube after described, the preceding tube body with
The outside of tube body is mounted on ring holder afterwards, and the preceding tube body is fixedly connected with the ring holder, the rear tube body
It is flexibly connected between the ring holder, the port of the rear tube body is fixedly installed with worm gear, and the worm gear is connected with snail
Bar, the worm gear and worm screw are intermeshed, and the worm screw connects the output shaft of motor by shaft coupling, and motor is fixedly mounted on electricity
On base.
Further, the both ends of the connecting tube are equipped with sealing ring, the inner wall of the periphery of the sealing ring and the connecting tube
Interference fit, is tightly connected between the inner circumferential of the sealing ring and the preceding tube body and rear tube body.
Further, the connecting tube is made of the first connecting tube and the second connecting tube, and one end of first connecting tube is set
There is external screw thread, one end of second connecting tube is equipped with internal screw thread, and first connecting tube and the second connecting tube are threadedly coupled, institute
The other end for stating the first connecting tube is connect with the preceding tube body, and the other end of second connecting tube is connect with the rear tube body,
The inner wall of second connecting tube is equipped with annular groove, is connected with circular baffle plate in the annular groove, in the circular baffle plate
Offer the through-hole of various shapes, wherein the annular groove is close to the first connecting tube side.
Further, the motor uses threephase asynchronous.
Further, there is slanted angle between the injection direction extended line and main pipe's inner wall of the high speed nozzle, so that spray
The liquid or gas spiral penetrated turn to spray main pipe.
Utility model has the advantages that 1, the utility model difference with the prior art is, the shunt valve of the application
Body is L-shaped setting, the liquid of mainstream or gas is introduced main pipe in bypass tube body, the liquid or gas of drainage are in master
It is introduced in tube body, and is all to introduce the liquid of mainstream or gas in main pipe in the prior art, sprayed through high speed nozzle, shape
At negative pressure, the liquid or gas of drainage are under negative pressure perpendicularly into main pipe, when the liquid or gas of drainage enter main pipe
An impact force can be generated, is easily damaged pipeline, and the liquid or gas of the liquid of mainstream or gas and drainage are Vertical Squares
To what is mixed, mixing efficiency is slow, and after the structure of the utility model is improved, the liquid or gas of drainage are parallel directions
Into main pipe, the impact force generated to inner wall of the pipe is small, is hardly damaged pipeline, and be easy liquid or gas with mainstream
It is mixed；
2, the utility model also adjusts the angle of high speed nozzle, is formed between the liquid and inner wall for spraying nozzle
Certain inclination angle will flow to inner wall side by the liquid that nozzle sprays so at an angle first, be then subjected to resistance
The inner wall other side is flowed to identical inclination angle after gear, is so recycled, liquid will spirally flow out main pipe, will increase stream
Stroke out, and then the speed of outflow is reduced, increase the time of mixing, further increases mixing efficiency；
3, main pipe has also been arranged to split type structure by the utility model, is divided into preceding tube body and rear tube body, makes rear tube body
The case where capable of rotating relative to preceding tube body, mixing for liquid and liquid mixing or liquids and gases, increase mixing efficiency；
4, baffle is in addition provided with also at intermediate connection tube, the opening that various shapes are arranged on baffle is mixed to allow
Liquid or gas pass through, and the time of mixing can be further increased by the obstruction of baffle, and then improve mixed effect, baffle is
Removably, it will unscrew mouth with the second connecting tube after the first connecting tube and can be replaced or dismantle baffle, baffle is as needed
Selection installation, if having been able to reach preferable mixed effect by adjusting tube body after nozzle angle and rotation, keep off
There is no need to be mounted with again for plate.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of integral planar structure chart of venturi mixer of the utility model；
Fig. 2 is a kind of side view of venturi mixer of the utility model；
Fig. 3 is a kind of a kind of structural schematic diagram of the baffle of venturi mixer of the utility model.
Wherein: 1, introducing pipeline；2, converging transition；3, throat's front half section；4, throat's second half section；5, divergent segment；6, effuser
Road；7, tube body is bypassed；8, ring holder；9, sealing ring；10, the second connecting tube；11, the first connecting tube；12, circular baffle plate；
13, worm gear；14, worm screw；15, motor.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As depicted in figs. 1 and 2, a kind of venturi mixer characterized by comprising main pipe and bypass tube body 7, institute
It states main pipe to be successively made of introducing pipeline 1, converging transition 2, throat, divergent segment 5 and outflow pipeline 6, the bypass tube body 7 is in circle
The introducing pipeline 1 is stretched out in the L-type tube body at angle, one end of the bypass tube body 7, and the other end of the bypass tube body 7 extends to
Converging transition 2, and high speed nozzle is installed, mainstream liquid or gas are introduced in the bypass tube body 7, are drawn in the main pipe
Flowing liquid or gas, the draining fluids are inhaled into main pipe under the negative pressure of mainstream liquid, after mixing with mainstream liquid at high speed
It is flowed out through the outflow pipeline 6.
Further, the main pipe, the main pipe are made of preceding tube body and rear tube body, and the preceding tube body includes introducing pipe
Road 1, converging transition 2, throat's front half section 3, the rear tube body include throat's second half section 4, divergent segment 5 and outflow pipeline 6, wherein institute
It states throat's front half section 3 to connect with throat's second half section 4 by connecting tube, the connecting pipe box are located at the preceding tube body and rear tube body
Outside, the preceding tube body are fixedly connected with the connecting tube, are flexibly connected between tube body and the connecting tube after described, before described
The outside of tube body and rear tube body is mounted on ring holder 8, and the preceding tube body is fixedly connected with the ring holder 8, institute
It states and is flexibly connected between rear tube body and the ring holder 8, the port of the rear tube body is fixedly installed with worm gear 13, the snail
Wheel 13 is connected with worm screw 14, and the worm gear 13 is intermeshed with worm screw 14, and the worm screw 14 connects motor 15 by shaft coupling
Output shaft, motor 15 are fixedly mounted on 15, motor.Motor 15 starts, and driving worm screw 14 rotates, and worm screw 14 nibbles with worm gear 13
It closes, and then worm gear 13 is driven to rotate, worm gear 13 is fixedly connected with rear tube body, and tube body rotates after drive, mixed for liquid and liquid
The case where conjunction or liquids and gases mix, increases mixing efficiency.
Further, the both ends of the connecting tube are equipped with sealing ring 9, and the periphery of the sealing ring 9 is interior with the connecting tube
Wall interference fit, is tightly connected between the inner circumferential of the sealing ring 9 and the preceding tube body and rear tube body.
Further, the connecting tube is made of the first connecting tube 11 and the second connecting tube 10, first connecting tube 11
One end is equipped with external screw thread, and one end of second connecting tube 10 is equipped with internal screw thread, first connecting tube 11 and the second connecting tube
10 are threadedly coupled, and the other end of first connecting tube 11 is connect with the preceding tube body, the other end of second connecting tube 10
It is connect with the rear tube body, the inner wall of second connecting tube 10 is equipped with annular groove, is connected with circle in the annular groove
Baffle 12 offers the through-hole of various shapes in the circular baffle plate 12, as shown in figure 3, the shape of through-hole is circle, wherein
The annular groove is close to 11 side of the first connecting tube.The opening of various shapes is set on baffle to allow mixed liquid or gas
Body passes through, and the time of mixing can be further increased by the obstruction of baffle, and then improve mixed effect, baffle is detachable
, it will unscrew mouth with the second connecting tube 10 after the first connecting tube 11 and can be replaced or dismantle baffle, baffle is to select as needed
Installation is selected, if having been able to reach preferable mixed effect, baffle by adjusting tube body after nozzle angle and rotation
There is no need to be mounted with again.
Further, the motor 15 uses threephase asynchronous.
Further, there is slanted angle between the injection direction extended line and main pipe's inner wall of the high speed nozzle, so that spray
The liquid or gas spiral penetrated turn to spray main pipe.Inner wall one will be flowed to by the liquid that nozzle sprays at an angle first
Side is then subjected to after blocking and flows to the inner wall other side with identical inclination angle, so recycles, and liquid will spirally flow out master
Tube body will increase the stroke of outflow, and then reduce the speed of outflow, increases the time of mixing, further increases mixing efficiency.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of venturi mixer characterized by comprising main pipe and bypass tube body, the main pipe by introducing pipeline,
Converging transition, throat, divergent segment and outflow pipeline successively form, the rounded L-type tube body of the bypass tube body, the bypass tube body
One end stretch out the introducing pipeline, the other end of the bypass tube body extends to converging transition, and is equipped with high speed nozzle, described
Mainstream liquid or gas are introduced in shunt valve body, introduce draining fluids or gas in the main pipe, the draining fluids are in master
It is inhaled into main pipe under the negative pressure of flowing liquid, is flowed out after being mixed with mainstream liquid at high speed through the outflow pipeline.
2. a kind of venturi mixer according to claim 1, which is characterized in that the main pipe, the main pipe by
Preceding tube body and rear tube body composition, the preceding tube body include introducing pipeline, converging transition, throat's front half section, and the rear tube body includes larynx
Portion's second half section, divergent segment and outflow pipeline, wherein throat's front half section is connected with throat's second half section by connecting tube, described
Connecting pipe box are located at the outside of the preceding tube body and rear tube body, and the preceding tube body is fixedly connected with the connecting tube, manage after described
It is flexibly connected between body and the connecting tube, the outside of the preceding tube body and rear tube body is mounted on ring holder, before described
Tube body is fixedly connected with the ring holder, is flexibly connected between tube body and the ring holder after described, is managed after described
The port of body is fixedly installed with worm gear, and the worm gear is connected with worm screw, and the worm gear and worm screw are intermeshed, and the worm screw passes through
Shaft coupling connects the output shaft of motor, and motor is fixedly mounted on motor cabinet.
3. a kind of venturi mixer according to claim 2, which is characterized in that the both ends of the connecting tube are equipped with sealing
The inner wall of circle, the periphery of the sealing ring and the connecting tube is interference fitted, the inner circumferential of the sealing ring and the preceding tube body and
It is tightly connected between tube body afterwards.
4. a kind of venturi mixer according to claim 2, which is characterized in that the connecting tube by the first connecting tube and
Second connecting tube composition, one end of first connecting tube are equipped with external screw thread, and one end of second connecting tube is equipped with internal screw thread,
First connecting tube and the second connecting tube are threadedly coupled, and the other end of first connecting tube is connect with the preceding tube body, institute
The other end for stating the second connecting tube is connect with the rear tube body, and the inner wall of second connecting tube is equipped with annular groove, the ring
It is connected with circular baffle plate in connected in star, the through-hole of various shapes is offered in the circular baffle plate, wherein the annular groove leans on
Nearly first connecting tube side.
5. a kind of venturi mixer according to claim 2, which is characterized in that the motor uses three-phase asynchronous electric
Machine.
6. a kind of venturi mixer according to claim 1, which is characterized in that the injection direction of the high speed nozzle prolongs
There is slanted angle between long line and main pipe's inner wall, so that the liquid or gas spiral of injection turn to spray main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640941.1U CN208894000U (en) | 2018-10-10 | 2018-10-10 | A kind of venturi mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640941.1U CN208894000U (en) | 2018-10-10 | 2018-10-10 | A kind of venturi mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208894000U true CN208894000U (en) | 2019-05-24 |
Family
ID=66575228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821640941.1U Expired - Fee Related CN208894000U (en) | 2018-10-10 | 2018-10-10 | A kind of venturi mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208894000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135778A (en) * | 2020-02-18 | 2020-05-12 | 清华大学 | Strong mixing reactor |
| CN113861233A (en) * | 2021-10-27 | 2021-12-31 | 湖北兴瑞硅材料有限公司 | Preparation process and device of methyltrimethoxysilane |
-
2018
- 2018-10-10 CN CN201821640941.1U patent/CN208894000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135778A (en) * | 2020-02-18 | 2020-05-12 | 清华大学 | Strong mixing reactor |
| CN113861233A (en) * | 2021-10-27 | 2021-12-31 | 湖北兴瑞硅材料有限公司 | Preparation process and device of methyltrimethoxysilane |
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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: 20190524 Termination date: 20201010 |