CN220059654U - Vortex negative pressure injection spraying dust control device - Google Patents
Vortex negative pressure injection spraying dust control device Download PDFInfo
- Publication number
- CN220059654U CN220059654U CN202321664061.9U CN202321664061U CN220059654U CN 220059654 U CN220059654 U CN 220059654U CN 202321664061 U CN202321664061 U CN 202321664061U CN 220059654 U CN220059654 U CN 220059654U
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- Prior art keywords
- negative pressure
- vortex
- pressure injection
- air supply
- control device
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- 239000000428 dust Substances 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000005507 spraying Methods 0.000 title claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a vortex negative pressure injection spraying dust control device, which comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back; the negative pressure injection assembly comprises a nozzle, a spray pipe and a partition plate; the partition board comprises an inner mounting circle, an outer mounting circle and an intermediate ring provided with communication holes; the front end face of the outer ring is connected with a coaxial spray pipe; a nozzle connected with a water pipe is arranged at the axle center of the front end surface of the inner circle of the safety rotor; the vortex entrainment component comprises a plurality of air supply upright posts and a plurality of fans; the air supply upright posts are welded on the rear end surface of the mounting outer ring in a uniformly distributed manner in a circumference manner around the axis of the mounting outer ring, and form a vortex entrainment region coaxial with the negative pressure injection assembly; a fan is arranged at the rear end of each air supply upright post, and an air outlet which enables the vortex to form a rotational flow in the vortex entrainment zone is arranged on the cylindrical surface. The artificial tornado is formed by matching air jet flow with negative pressure, and the strong limit suction capacity of the artificial tornado is utilized to improve the entrainment capacity of dust particles and reduce the dust mass concentration in an operation area.
Description
Technical Field
The utility model relates to the technical field of coal dust pollution control, in particular to a vortex negative pressure injection spraying dust control device.
Background
For a long time, a large amount of dust is often generated in the coal exploitation process, and the high-concentration dust not only threatens the mine safety production, but also can induce diseases such as pneumoconiosis, cardiovascular diseases and the like. In recent years, the occupation pneumoconiosis accounts for up to 77.65 percent in new cases of the occupation diseases, and is the occupation disease with the greatest hazard and the greatest distribution in China, especially in the coal industry. In recent decades, the number of new cases of dust and lungs of coal workers per year is over 60%, and the number of death caused by the new cases is far more than that of coal mine production accidents, so that the problem of dust pollution caused by coal production seriously threatens the health of staff.
At present, the existing traditional dust removal device has the problems of small air suction quantity and low dust trapping capacity, and can not effectively reduce the dust mass concentration in an operation area.
Disclosure of Invention
Aiming at the defects of the prior method, the technical problem to be solved by the utility model is to provide the vortex negative pressure injection spraying dust control device with strong suction capability and high dust trapping capability, and the vortex cyclone flow field is formed between the air supply upright posts based on the artificial tornado mechanism, so that the entrainment capability of dust particles is improved, and the dust mass concentration in an operation area is reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme: the vortex negative pressure injection spraying dust control device comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back; the negative pressure injection assembly comprises a nozzle, a spray pipe and a partition plate; the partition plate comprises an installation inner circle, an installation outer ring and an intermediate ring provided with a hole for communicating the negative pressure injection assembly with the vortex entrainment assembly; the front end face of the outer mounting ring is connected with a coaxial spray pipe; a nozzle connected with a water pipe is arranged at the axle center of the front end surface of the inner circle of the ampere rotor, and a negative pressure space can be formed inside the spray pipe when the nozzle sprays water mist forwards; the vortex entrainment component comprises a plurality of air supply stand columns and a plurality of fans; the air supply upright posts are welded on the rear end surface of the mounting outer ring in a circumferential and uniform distribution manner around the axis of the mounting outer ring, and the air supply upright posts form a vortex entrainment zone coaxial with the negative pressure injection assembly; and the rear end of each air supply upright post is provided with a fan, and the cylindrical surface of each air supply upright post is provided with an air outlet which enables a vortex cyclone flow field to be formed in the vortex entrainment zone.
Preferably, the number of the air supply upright posts is 4-6.
Preferably, the air outlets are uniformly distributed on the cylindrical surface of the air supply upright post along the axis.
Preferably, the spray pipe is a trumpet-shaped circular pipe.
Preferably, the conical deflection angle of the front part of the spray pipe is 0-40 degrees.
Preferably, the upper end of the pipe surface of the spray pipe is welded with a fixing hole for portable installation.
The utility model has the beneficial effects that: the negative pressure is formed in the spray pipe by spraying water mist through the spray nozzle, so that air jet flow at the rear side of the partition plate is enabled to flow into the spray pipe, the fan is matched with the air supply upright post in a rotating mode to form a vortex air flow field, then artificial tornado is formed under the matching of the air jet flow generated by the negative pressure and the vortex air flow field, the entrainment capacity of dust particles is improved by utilizing the strong limit suction capacity of the artificial tornado, and the dust mass concentration in an operation area is reduced; the suction intensity of the vortex wind flow field can be regulated and controlled by regulating the rotating speed of the fan and the deflection angle of the air supply upright post.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model;
FIG. 3 is a schematic view of a structure of a separator;
in the figure: 1-fixing holes; 2-an air supply upright post; 201-an air outlet; 3-a fan; 4-nozzles; 5-spraying pipes; 6-a separator; 601-rotating the inner circle; 602-an outer ring; 603-intermediate ring.
Detailed Description
For a better understanding of the improvements of the present utility model with respect to the prior art, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
As shown in figures 1-3, the vortex negative pressure injection spraying dust control device mainly comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back.
The negative pressure injection assembly mainly comprises a nozzle 4, a spray pipe 5 and a partition plate 6. Wherein the baffle 6 mainly comprises an inner circle 601, an outer ring 602 and an intermediate ring 603 with holes for communicating the negative pressure injection component with the vortex entrainment component. The front end face of the outer mounting ring 602 is connected with a coaxial spray pipe 5. The front end surface axis of the inner circle 601 is provided with a nozzle 4 connected with a water pipe, and when the nozzle 4 sprays water mist forwards, a negative pressure space can be formed inside the spray pipe 5.
The vortex entrainment component mainly comprises a plurality of air supply upright posts 2 and a plurality of fans 3. The plurality of air supply upright posts 2 are welded on the rear end face of the installation outer ring 602 in a uniformly distributed manner around the axis of the installation outer ring 602 in a circumferential manner, and the plurality of air supply upright posts 2 form a vortex entrainment zone coaxial with the negative pressure injection assembly. A fan 3 is arranged at the rear end of each air supply upright post 2, and an air outlet 201 which enables a vortex cyclone flow field to be formed in the vortex entrainment zone is arranged on the cylindrical surface of each air supply upright post 2.
When the device is operated, the nozzle 4 continuously sprays water mist to push out the air in front, so that the vacuum is formed in the rear part of the spray pipe 5, and a negative pressure field is formed at the rear end of the spray pipe 5, and therefore, negative pressure air flow is formed at the position where the middle ring 603 is communicated with the holes under the action of negative pressure. Simultaneously, the fan 3 is started, and uniform air supply jet flow is generated at the air outlet 201 on the air supply upright post 2 under the action of the fan 3, so that a vortex flow field is formed. The negative pressure injection assembly and the vortex entrainment assembly provide the air supply jet flow with angular momentum and the negative pressure air flow produce coupling action to form artificial tornado in the vortex entrainment area between the air supply upright posts, and the dust is entrained by utilizing the powerful suction capacity of the artificial tornado. Meanwhile, the suction intensity of the vortex wind flow field can be regulated and controlled by regulating the rotating speed of the fan and the deflection angle of the air supply upright post.
Preferably, the number of the air supply upright posts 2 is 4-6.
To ensure uniform generation of the supply air jets, the outlets 201 are uniformly distributed along the axis on the cylindrical surface of the supply air column 2.
Preferably, the nozzle 5 is a trumpet-shaped circular tube, and the front conical deflection angle of the nozzle 5 is 0-40 degrees.
The upper end of the pipe surface of the spray pipe 5 is welded with a fixing hole 1 for portable installation, and the spray pipe can be hung in an operation area, so that the front section of the spray pipe 5 is fixed with a dust collecting device, and sprayed water mist and dust are collected so as to avoid polluting the operation area.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a vortex negative pressure draws and penetrates spraying dust control device which characterized in that: the device comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back; the negative pressure injection assembly comprises a nozzle (4), a spray pipe (5) and a partition plate (6); the partition plate (6) comprises an inner mounting circle (601), an outer mounting circle (602) and an intermediate ring (603) provided with a hole for communicating the negative pressure injection assembly with the vortex entrainment assembly; the front end face of the outer mounting ring (602) is connected with a coaxial spray pipe (5); a nozzle (4) connected with a water pipe is arranged at the axial center of the front end surface of the inner circle (601) of the installation, and a negative pressure space can be formed inside the spray pipe (5) when the nozzle (4) sprays water mist forwards; the vortex entrainment component comprises a plurality of air supply stand columns (2) and a plurality of fans (3); the air supply upright posts (2) are uniformly welded on the rear end surface of the mounting outer ring (602) in a circumferential manner around the axis of the mounting outer ring (602), and the air supply upright posts (2) form a vortex entrainment zone coaxial with the negative pressure injection assembly; a fan (3) is arranged at the rear end of each air supply upright post (2), and an air outlet (201) which enables a vortex flow field to be formed in the vortex entrainment zone is formed in the cylindrical surface of each air supply upright post (2).
2. The vortex negative pressure injection spray dust control device according to claim 1, wherein: the number of the air supply upright posts (2) is 4-6.
3. The vortex negative pressure injection spray dust control device according to claim 1, wherein: the air outlets (201) are uniformly distributed on the cylindrical surface of the air supply upright post (2) along the axis.
4. The vortex negative pressure injection spray dust control device according to claim 1, wherein: the spray pipe (5) is a horn-shaped circular pipe.
5. The vortex negative pressure injection spray dust control device according to claim 4, wherein: the front conical deflection angle of the spray pipe (5) is 0-40 degrees.
6. The vortex negative pressure injection spray dust control device according to claim 1, wherein: the upper end of the pipe surface of the spray pipe (5) is welded with a fixing hole (1) for portable installation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321664061.9U CN220059654U (en) | 2023-06-28 | 2023-06-28 | Vortex negative pressure injection spraying dust control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321664061.9U CN220059654U (en) | 2023-06-28 | 2023-06-28 | Vortex negative pressure injection spraying dust control device |
Publications (1)
Publication Number | Publication Date |
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CN220059654U true CN220059654U (en) | 2023-11-21 |
Family
ID=88761491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321664061.9U Active CN220059654U (en) | 2023-06-28 | 2023-06-28 | Vortex negative pressure injection spraying dust control device |
Country Status (1)
Country | Link |
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CN (1) | CN220059654U (en) |
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2023
- 2023-06-28 CN CN202321664061.9U patent/CN220059654U/en active Active
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