CN213942719U - Venturi type gas mixing device with spontaneous spiral disturbance - Google Patents
Venturi type gas mixing device with spontaneous spiral disturbance Download PDFInfo
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- CN213942719U CN213942719U CN202022231274.5U CN202022231274U CN213942719U CN 213942719 U CN213942719 U CN 213942719U CN 202022231274 U CN202022231274 U CN 202022231274U CN 213942719 U CN213942719 U CN 213942719U
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Abstract
The utility model provides a venturi type of spontaneous spiral disturbance mixes gas device belongs to gaseous pollutants processing technology field. The device is including mixing gas device main part, slant air inlet pipeline, the gaseous disturbing piece of spiral, venturi formula pipeline, mixes gas device main part and is the cylindrical stainless steel jar body, and jar body one end sets up main air inlet pipeline, and venturi formula pipeline is connected to the other end, and venturi formula pipe connection goes out the air pipe way three-way valve, and jar external portion sets up the slant air inlet pipeline, and jar internal portion sets up the gaseous disturbing piece of spiral. At least one inclined air inlet pipeline is arranged; each gas circuit is obliquely connected into the gas mixing device at intervals along the oblique gas inlet pipeline, and the mixed gas enters the spiral disturbance section to spontaneously generate spiral disturbance and spirally enters the Venturi type pipeline. The device realizes the automatic disturbance of gas in the device through the slant gas circuit and the spiral disturbance structure, accelerates the gas flow rate through the Venturi structure, improves the gas mixing rate and the uniformity, and effectively improves the gas mixing efficiency of the gas distribution system.
Description
Technical Field
The utility model relates to a gaseous pollutant handles technical field, especially indicates a venturi type of spontaneous spiral disturbance mixes gas device.
Background
In the material performance evaluation of gas-solid catalytic reaction, the simulation of the mixed gas of the flue gas to be measured is realized by collecting and mixing the gases of all components through a gas distribution system, wherein the structure and the function of the gas mixing device are the key for determining the gas mixing efficiency. In the existing gas distribution system, most of gas mixing devices are only ordinary stainless steel empty tanks with simple structures, and are respectively and vertically fixed on the side surfaces of the gas mixing devices through gas pipelines, and gas in the devices is mixed through free diffusion.
In the practical experiment application process, the problems of uneven gas mixing, idling of a flowmeter and the like exist in the gas distribution system, so that the gas mixing effect is poor, and the experiment conclusion is influenced. In order to obtain a better gas mixing effect, in an actual experiment, a disturbing substance is added in the gas mixing device to improve the gas mixing effect, but the problems of blocking airflow, losing kinetic energy and the like also exist, so that the required time is too long when the uniform gas mixing effect is achieved, the gas mixing efficiency is low, the disturbing substance is not standard and unstable, and the like, and the service life of the gas mixing device and the gas mixing effect are also greatly influenced.
Therefore, in order to improve the above defect problems, the gas mixing device of the existing gas distribution system needs to be further optimized and improved to improve the performance and efficiency of the gas distribution system and improve the quality of the evaluation experiment conclusion.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a venturi type of spontaneous spiral disturbance mixes gas device, the device is to original gas device air inlet in-process that mixes, it is difficult to get into to make certain all the way or multichannel gas because of the mixed gas flow pressure is great, can't get into and mix the gas device, the flowmeter that leads to gaseous adverse current to produce even is idle, damage the scheduling problem, design slant air inlet pipe way, except main gas circuit, each low discharge gas inlet pipe way lets in the gas device that mixes with the slant mode of admitting air of certain angle, the perpendicular collision of each gas circuit with main gas circuit has been avoided, it is difficult to get into to have effectively solved low discharge gas, can't get into and mix the gas device, gaseous scheduling problem against the current.
The device is including mixing gas device main part, slant air inlet pipeline, the gaseous disturbing piece of spiral, venturi formula pipeline, mixes gas device main part and is the cylindrical stainless steel jar body, and jar body one end sets up main air inlet pipeline, and venturi formula pipeline is connected to the other end, and venturi formula pipe connection goes out the air pipe way three-way valve, and jar external portion sets up the slant air inlet pipeline, and jar internal portion sets up the gaseous disturbing piece of spiral.
Wherein, the main air inlet pipeline is connected into the tank body along the central axis direction of the cylindrical stainless steel tank body.
The oblique air inlet pipelines are connected to the side face of the tank body, the directions of the oblique air inlet pipelines and the main air inlet pipeline are 30-45 degrees, at least one oblique air inlet pipeline is arranged, the axes of all oblique air inlet pipelines are in the same plane, two adjacent oblique air inlet pipelines are connected at intervals, and no direct collision exists.
The spiral gas disturbance pieces are not less than two, the projection of the spiral gas disturbance pieces to the cross section of the gas mixing device is in a semicircular shape, and the projection area of the disturbance pieces accounts for half of the total area of the cross section.
The symmetry axis of the spiral gas disturbance sheet and the direction of the main air inlet path form an angle of 30-45 degrees.
The spiral gas disturbance pieces rotate clockwise or anticlockwise to the cross section in sequence by 90 degrees towards the symmetrical axis of the projection semicircle of the cross section of the gas mixing device to form a spiral gas disturbance section.
The inclined air inlet pipelines are communicated with the front end of the air mixing device, and all the spiral air disturbance pieces are arranged behind all the inclined air inlet pipelines.
The inclined air inlet pipelines and the spiral air disturbance pieces are arranged in an alternating mode, and one or more spiral air disturbance pieces are correspondingly arranged behind each inclined air inlet pipeline.
The inner diameter of the Venturi type pipeline is gradually reduced along the gas flowing direction, and the pipe wall and the main gas inlet path are at an angle of 15-25 degrees.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the above scheme, the gas distribution device to current gaseous evaluation system has carried out the optimal design to the gas mixing device that current gas distribution system used is the basis, on the basis of keeping original all functions, through the gaseous disturbance structural design of unique spiral, the gas current effect that can utilize gas to get into the gas mixing device time natural production makes the device interior gas spontaneous production spiral disturbance, makes the gas mixture more even. The side disturbing sheet structure in the design avoids direct blocking and conflict with the airflow, and can effectively reduce kinetic energy loss of the airflow in the device. The tail end of the device is designed into a Venturi structure, so that the gas can be promoted to spontaneously accelerate the flow velocity of the gas under the action of the gas flow, and the gas mixing progress is accelerated. In conclusion, the device can improve the gas mixing rate and the gas mixing effect of the gas distribution system and greatly increase the working efficiency of the gas evaluation system on the premise of not additionally adding equipment and energy consumption. The invention is the device structure invention, the structure of each part in the device is designed to be an immovable structure, adjustment or calibration is not needed in actual use, the probability of influencing the function of the device due to manual damage and misoperation is reduced, and stainless steel is used as the material of the device, so that the service life is long.
Drawings
Fig. 1a is a front view of the overall structure of the self-spiral disturbed venturi type gas mixing device of the present invention;
fig. 1b is a top view of the overall structure of the spontaneous spiral disturbance venturi type air mixing device of the present invention;
fig. 1c is a left side view of the overall structure of the spontaneous spiral disturbance venturi type gas mixing device of the present invention;
fig. 1d is a three-dimensional view of the overall structure of the spontaneous spiral disturbance venturi type gas mixing device of the present invention;
fig. 2a is a front view of the internal structure of the self-spiral disturbed venturi type gas mixing device of the present invention;
fig. 2b is a top view of the internal structure of the self-spiral disturbed venturi type air mixing device of the present invention;
fig. 2c is a left side view of the internal structure of the self-spiral disturbed venturi type gas mixing device of the present invention;
fig. 2d is the three-dimensional view of the internal structure of the self-spiral disturbed venturi type gas mixing device of the present invention.
Wherein: 1-tank body; 2-a three-way valve of an air outlet pipeline; 3-a primary air intake line; 4-oblique air inlet pipeline; 5-spiral gas disturbance plate; 6-Venturi type pipeline.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a venturi type of spontaneous spiral disturbance mixes gas device.
As shown in fig. 1a, fig. 1b, fig. 1c, fig. 1d and fig. 2a, fig. 2b, fig. 2c, fig. 2d, the device comprises a gas mixing device main body, an oblique gas inlet pipeline 4, a spiral gas disturbing sheet 5, and a venturi type pipeline 6, wherein the gas mixing device main body is a cylindrical stainless steel tank body 1, one end of the tank body 1 is provided with a main gas inlet pipeline 3, the other end of the tank body is connected with the venturi type pipeline 6, the venturi type pipeline 6 is connected with a gas outlet pipeline three-way valve 2, the oblique gas inlet pipeline 4 is arranged outside the tank body 1, and the spiral gas disturbing sheet 5 is arranged inside the tank body 1.
Wherein, the main air inlet pipeline 3 is connected into the tank body 1 along the central axis direction of the cylindrical stainless steel tank body 1.
The oblique air inlet pipelines 4 are connected to the side face of the tank body 1, the oblique air inlet pipelines 4 and the main air inlet pipeline 3 are 30-45 degrees in direction, at least one oblique air inlet pipeline 4 is arranged, the axes of all the oblique air inlet pipelines 4 are in the same plane, and every two adjacent oblique air inlet pipelines 4 are connected at intervals without direct conflict.
Spiral gas disturbance piece 5 is no less than two, and spiral gas disturbance piece 5 is half the type to the projection of gas mixing device cross section, and disturbance piece projection area accounts for half of cross section total area.
The symmetry axis of the spiral gas disturbance sheet 5 forms an angle of 30-45 degrees with the main air inlet path direction.
The spiral gas disturbance pieces 5 rotate clockwise or anticlockwise to the cross section in sequence from 90 degrees to the symmetrical axis of the projection semicircle of the cross section of the gas mixing device to form a spiral gas disturbance section.
The inclined air inlet pipelines 4 are communicated with the front end of the air mixing device, and all the spiral air disturbance pieces 5 are arranged behind all the inclined air inlet pipelines 4.
The inclined air inlet pipelines 4 and the spiral air disturbing pieces 5 are arranged in an inserting mode, and one or more spiral air disturbing pieces 5 are correspondingly arranged behind each inclined air inlet pipeline 4.
The inner diameter of the Venturi type pipeline 6 is gradually reduced along the gas flowing direction, and the pipe wall and the main gas inlet path are at an angle of 15-25 degrees.
The device slant air inlet pipeline's setting for main gas mixture flows and can take advantage of the situation and drive each way gas admission gas mixing device, can further promote each way gas to mixing the flow in the gas mixing device on the basis of the air current collision disturbance effect that the device had now remains, improves and mixes gas device efficiency.
The designed air inlet pipelines of the oblique air are distributed on two sides of the device, and the axes of all pipelines are located in the same plane, so that the air mixing device is convenient to place and install in actual application, and the occupied space is reduced.
The inclined pipeline air inlets adopt a staggered design, and two adjacent air inlets and two opposite air inlets are arranged at intervals from front to back, so that the phenomenon that air in the air inlet pipeline enters the device collides is avoided, and the loss of kinetic energy of airflow is effectively reduced.
The device mixes the defect problem such as the gas process delay and the inequality inefficiency of gas that mixes to current gas mixing device, sets up gaseous disturbance piece in mixing the gas device, when experimental gas mixes the gas device through this, gaseous collision gaseous disturbance piece under the air current effect changes gaseous flow direction route, thereby reaches the purpose that the disturbance gas promotes the misce bene, has effectively improved the even degree of mist.
The plane of the gas disturbance sheet and the direction of the main gas inflow form a certain angle, namely the plane of the disturbance sheet and the direction of the gas flow form an acute angle, so that no gas flow dead angle exists in the device in the gas disturbance process, the gas flow can flow tightly close to the inner wall of the device without remaining part of gas, and gas and energy loss is effectively avoided.
The plane of the gas disturbance piece is not perpendicular to the vertical direction of the main gas inlet flow, so that the disturbance piece avoids vertical collision of gas flow and the gas disturbance piece when achieving the effect of disturbing gas, the loss of gas flow energy in the gas disturbance process is reduced, and the gas mixing efficiency is effectively improved.
The gas disturbing pieces are arranged on the same side of the oblique gas inlet pipe orifice or on two adjacent sides at a certain angle, so that the opposite impact caused by the vertical angle formed by the gas flow direction of the oblique gas inlet pipeline and the gas disturbing pieces is avoided, and the kinetic energy loss of gas in each pipeline when entering the gas mixing device is effectively reduced.
The gas disturbing sheet arranged spirally can change the flowing direction of gas, so that mixed gas flows in the device rotate spirally, gas components in the device are stirred spirally and mixed with each other, and the gas mixing degree and speed are further effectively promoted.
Gas mixing device is provided with venturi acceleration channel, and this structure can effectively accelerate the velocity of flow through gas for mist accelerates the speed of stirring, promotes the even degree of gas mixture, further improves gaseous mixing efficiency.
The venturi tube is used as the tail end of the gas mixing device, the passing speed of the mixed gas can be effectively accelerated, the phenomenon can compensate the speed of the mixed gas which is lost through the spiral disturbance part, even the mixed gas can be output at a higher speed than the initial state, the gas mixing reaction is effectively promoted, and the working efficiency of the device is improved.
As above-mentioned, the gaseous disturbance piece of spiral setting can make the device in the air current be spiral and advance, and this effect can make gaseous production initial spiral when getting into the venturi type and accelerating the passageway and encircle, helps the venturi to accelerate the stirring effect of passageway to gaseous acceleration, further promotes the gaseous mixture in the device, improves and mixes gas efficiency.
Add at the gas mixing device end of giving vent to anger and set up the three-way breather valve, can improve this gas mixing device's maneuverability, mix the gas pitcher as the one-level like usable a plurality of these devices, mix gas pitcher and branch gas analyzer through the three-way valve rethread second grade, realize the independent assortment of distribution evaluation system, can carry out real-time analysis etc. to the mist of different links, can effectively improve practicality, the flexibility of device.
In the specific design application, a larger flow of gas is taken as the main inlet gas and is introduced into the device through the main inlet pipeline 3, the main inlet flow direction is the advancing direction of the mixed gas in the device, the rest of gas except the main inlet gas is introduced into the device through the four oblique inlet pipelines 4 at intervals, collision disturbance mixing is sequentially generated between the main gas and the oblique air flow, then the gas advances along with the main gas flow and enters an oblique spiral gas disturbance section, the flowing direction of the gas is spontaneously changed under the action of gas flow pushing when the gas passes through the spiral gas disturbance plates 5, the four spiral disturbance plates 5 rotate in sequence at 90 degrees, the gas flow changes the advancing direction for multiple times and finally presents spiral advancing, a certain spiral flowing state is kept to enter the Venturi type pipeline 6, the spiral flowing and the advancing flow rate of the gas are accelerated under the action of constant gas flow pushing, and the gas is discharged along with the exhaust pipe orifice to enter the outlet pipeline 2, the subsequent units are connected as needed.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a spontaneous spiral disturbance's venturi type mixes gas device which characterized in that: the spiral gas disturbing piece comprises a gas mixing device main body, an oblique gas inlet pipeline (4), a spiral gas disturbing piece (5) and a Venturi type pipeline (6), wherein the gas mixing device main body is a cylindrical stainless steel tank body (1), one end of the tank body (1) is provided with a main gas inlet pipeline (3), the other end of the tank body is connected with the Venturi type pipeline (6), the Venturi type pipeline (6) is connected with a gas outlet pipeline three-way valve (2), the oblique gas inlet pipeline (4) is arranged outside the tank body (1), and the spiral gas disturbing piece (5) is arranged inside the tank body (1).
2. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the main air inlet pipeline (3) is connected into the tank body (1) along the central axis direction of the cylindrical stainless steel tank body (1).
3. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the inclined air inlet pipelines (4) are connected to the side face of the tank body (1), the directions of the inclined air inlet pipelines (4) and the main air inlet pipeline (3) are 30-45 degrees, at least one inclined air inlet pipeline (4) is arranged, the axes of all the inclined air inlet pipelines (4) are in the same plane, two adjacent inclined air inlet pipelines (4) are connected at intervals, and no direct collision exists.
4. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the spiral gas disturbance pieces (5) are not less than two, the projection of the spiral gas disturbance pieces (5) to the cross section of the gas mixing device is in a semicircular shape, and the projection area of the disturbance pieces accounts for half of the total area of the cross section.
5. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the symmetry axis of the spiral gas disturbance sheet (5) forms an angle of 30-45 degrees with the direction of the main air inlet path.
6. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 4, wherein: the spiral gas disturbance pieces (5) rotate clockwise or anticlockwise to the cross section in sequence from 90 degrees to a symmetrical axis of a projection semicircle of the cross section of the gas mixing device to form a spiral gas disturbance section.
7. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the inclined air inlet pipelines (4) are communicated with the front end of the air mixing device, and all the spiral air disturbance pieces (5) are arranged behind all the inclined air inlet pipelines (4).
8. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the inclined air inlet pipelines (4) and the spiral air disturbing pieces (5) are arranged in an inserting mode, and one or more spiral air disturbing pieces (5) are correspondingly arranged behind each inclined air inlet pipeline (4).
9. The spontaneously spirally perturbed venturi-type gas mixing device according to claim 1, characterized in that: the inner diameter of the Venturi type pipeline (6) is gradually reduced along the gas flowing direction, and the angle between the pipe wall and the main gas inlet path is 15-25 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231274.5U CN213942719U (en) | 2020-09-30 | 2020-09-30 | Venturi type gas mixing device with spontaneous spiral disturbance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231274.5U CN213942719U (en) | 2020-09-30 | 2020-09-30 | Venturi type gas mixing device with spontaneous spiral disturbance |
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| CN213942719U true CN213942719U (en) | 2021-08-13 |
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| CN202022231274.5U Active CN213942719U (en) | 2020-09-30 | 2020-09-30 | Venturi type gas mixing device with spontaneous spiral disturbance |
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