CN212774389U - Spray injection dust removal device of coal mine support - Google Patents
Spray injection dust removal device of coal mine support Download PDFInfo
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- CN212774389U CN212774389U CN202021842194.7U CN202021842194U CN212774389U CN 212774389 U CN212774389 U CN 212774389U CN 202021842194 U CN202021842194 U CN 202021842194U CN 212774389 U CN212774389 U CN 212774389U
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- spraying
- air suction
- suction pipe
- injection
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 44
- 238000002347 injection Methods 0.000 title claims abstract description 37
- 239000007924 injection Substances 0.000 title claims abstract description 37
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 239000007921 spray Substances 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000003595 mist Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a spray of colliery support draws and penetrates dust collector belongs to and combines to adopt the working face to fall the post and move the control and treatment equipment field of putting up the dirt of producing. The device comprises a pilot jet cylinder and an air suction pipe, wherein the pilot jet cylinder and the air suction pipe are both arranged on a top beam of a coal mine support, and the pilot jet cylinder and the air suction pipe are arranged along the extension direction of the top beam; the injection spraying barrel comprises a suction end and a spraying end, the spraying end of the injection spraying barrel sprays towards the coal wall, the air suction pipe is arranged on one side, far away from the coal wall, of the injection spraying barrel, one end of the air suction pipe is connected with the suction end of the injection spraying barrel, and the other end of the air suction pipe is arranged in a movable frame dust production area. The utility model discloses the installation is simple, convenient to use. The double-injection spraying barrels are respectively provided with injection flow passages which are not interfered with each other, dust generated by the support falling, column moving and support moving can be effectively and rapidly collected, the dust falling efficiency can reach more than 90 percent, the dust and dust removing water mist are prevented from interfering the operation, and the operation environment is optimized.
Description
Technical Field
The utility model belongs to combine and adopt working face to fall the post and move a control and treatment equipment field of putting up the dirt of producing relates to a spray of colliery support draws dust collector.
Background
The coal mine hydraulic support is a structure for controlling the mine pressure of a coal face, and the support column lowering, moving and frame moving dust production is one of main dust sources of a coal mine fully mechanized mining face. The dust generated by the descending column moving frame falls down from the gap between the shield beams of the hydraulic support in a centralized way, and the dust generating point is positioned above the top of the head of an operator. The support falls post and moves a frame and produces dust and belongs to a linear paroxysmal dust source, the concentration of dust is higher instantly, the concentration of dust in a covering area is as high as more than 2000mg/m3, the sight of operators is directly influenced, and the safety production of a mine and the physical and psychological health of the operators are seriously threatened.
At present, most of treatment measures for hydraulic support column descending and frame moving dust production adopt a mode of directly spraying towards the coal wall between supports or spraying oppositely between supports. In the in-service use process, spraying rivers can scatter on the operating personnel in a large number between the frame, have increased the operating personnel discomfort, lead to the field usage rate very low, and dust fall effect is limited simultaneously.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a dust collector is drawn in spraying of colliery support draws can get rid of the support and fall the post and move the frame and produce dirt, prevents that dust and dust removal water smoke from disturbing the operation, optimizes the operation environment.
In order to achieve the above purpose, the utility model provides a following technical scheme: a spray injection dust removal device for a coal mine support comprises an injection cylinder and an air suction pipe, wherein the injection cylinder and the air suction pipe are both arranged on a top beam of the coal mine support, and the injection cylinder and the air suction pipe are arranged along the extension direction of the top beam; the injection spraying barrel comprises a suction end and a spraying end, the spraying end of the injection spraying barrel sprays towards the coal wall, the air suction pipe is arranged on one side, far away from the coal wall, of the injection spraying barrel, one end of the air suction pipe is connected with the suction end of the injection spraying barrel, and the other end of the air suction pipe is arranged in a movable frame dust production area.
Optionally, the number of the guiding spraying barrels is two, the spraying ends of the two guiding spraying barrels are arranged in a mutually reverse direction, the air suction pipe is arranged between the two guiding spraying barrels, two ends of the air suction pipe are respectively connected with the two suction ends of the guiding spraying barrels, a suction opening is formed in the air suction pipe, and the suction opening is arranged in the movable frame dust generation area.
Optionally, the two guiding spray cylinders are respectively a first spray cylinder and a second spray cylinder, the first spray cylinder is arranged close to the coal wall, and a guide pipe for collecting water mist is arranged at the spraying end of the second spray cylinder.
The guiding and jetting device is characterized in that a fixed block is arranged on the guiding and jetting cylinder, and the guiding and jetting cylinder is connected to a top beam of the coal mine support through the fixed block.
Optionally, the spray parameters of the pilot nozzle are as follows: spraying pressure: 4-10 MPa; water consumption: 30-40L/min; injecting negative pressure: 100-300 Pa; injecting air volume: 50 to 80m3/min。
The beneficial effects of the utility model reside in that: the guide spraying cylinder and the air suction pipe are simple to install and convenient to use, and the problem that falling dust of the support falling column moving frame is difficult to treat is solved. The double-injection spraying barrels are respectively provided with injection flow passages which are not interfered with each other, dust generated by the support falling, column moving and support moving can be effectively and rapidly collected, the dust falling efficiency can reach more than 90 percent, the dust and dust removing water mist are prevented from interfering the operation, and the operation environment is optimized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a spray ejection dust removal device of a coal mine support;
fig. 2 is a schematic structural diagram of a coal mine hydraulic support.
Reference numerals: the device comprises a second spraying barrel 1, a first spraying barrel 2, a suction opening 3, an air suction pipe 4, a mounting block 5, a top beam 6 and a guide pipe 7.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1 to 2, a spray injection dust removal device for a coal mine support comprises an injection cylinder and an air suction pipe 4, wherein the injection cylinder and the air suction pipe 4 are arranged along the extension direction of a top beam 6. The inner side of the side guard plate of the support top beam is welded with an installation block 5, and the injection spray cylinder and the air suction pipe 4 are arranged on the installation block 5 through bolts. The injection spraying cylinder comprises a suction end and an injection end, the injection end of the injection spraying cylinder is sprayed towards the coal wall, the frame moving falling dust in front of the support stand column is brought to the side of the coal wall, and the influence on operators is reduced. The air suction pipe 4 is arranged on one side, far away from the coal wall, of the injection spraying barrel, one end of the air suction pipe 4 is connected with the suction end of the injection spraying barrel, and the other end of the air suction pipe 4 is arranged in the movable frame dust production area.
The two guiding spraying barrels are arranged, the spraying ends of the two guiding spraying barrels are arranged in a mutually reverse mode, the air suction pipe 4 is arranged between the two guiding spraying barrels, the two ends of the air suction pipe 4 are connected with the suction ends of the two guiding spraying barrels respectively, the air suction pipe 4 is provided with a suction opening 3, and the suction opening 3 is arranged in a movable frame dust generation area. Two guide spray barrels are respectively a first spray barrel 2 and a second spray barrel 1, the first spray barrel 2 is arranged close to the coal wall, the first spray barrel 2 sprays towards the direction of the coal wall along a gap between the supports, and the support moving in front of the support upright post is carried to the side of the coal wall, so that the influence on operators is reduced. The injection end of the second injection cylinder 1 is provided with a guide pipe 7. The flow guide pipe 7 is used for collecting water mist after dust removal, and prevents the interference of the water mist with dust on operating personnel.
The spray parameters of the pilot nozzle were as follows: spraying pressure: 4-10 MPa; water consumption: 30-40L/min; injecting negative pressure: 100-300 Pa; injecting air volume: 50-80 m 3/min. The specific size of the dust removing device is determined by combining the structural form and the size parameters of the field bracket.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a dust collector is drawn in spraying of colliery support which characterized in that: the device comprises a pilot jet cylinder and an air suction pipe, wherein the pilot jet cylinder and the air suction pipe are both arranged on a top beam of a coal mine support, and the pilot jet cylinder and the air suction pipe are arranged along the extension direction of the top beam;
the injection spraying barrel comprises a suction end and a spraying end, the spraying end of the injection spraying barrel sprays towards the coal wall, the air suction pipe is arranged on one side, far away from the coal wall, of the injection spraying barrel, one end of the air suction pipe is connected with the suction end of the injection spraying barrel, and the other end of the air suction pipe is arranged in a movable frame dust production area.
2. The spray-injection dust removal device for the coal mine support according to claim 1, which is characterized in that: the device comprises two guiding spraying barrels, wherein the spraying ends of the two guiding spraying barrels are arranged in a mutually reverse mode, an air suction pipe is arranged between the two guiding spraying barrels, the two ends of the air suction pipe are respectively connected with the suction ends of the two guiding spraying barrels, a suction opening is formed in the air suction pipe, and the suction opening is arranged in a movable frame dust generation area.
3. The spray-injection dust removal device for the coal mine support according to claim 1, which is characterized in that: the two guide spraying cylinders are respectively a first spraying cylinder and a second spraying cylinder, the first spraying cylinder is arranged close to the coal wall, and a guide pipe for collecting water mist is arranged at the spraying end of the second spraying cylinder.
4. The spray-injection dust removal device for the coal mine support according to claim 1, which is characterized in that: the guiding and jetting device is characterized in that a fixed block is arranged on the guiding and jetting cylinder, and the guiding and jetting cylinder is connected to a top beam of the coal mine support through the fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021842194.7U CN212774389U (en) | 2020-08-28 | 2020-08-28 | Spray injection dust removal device of coal mine support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021842194.7U CN212774389U (en) | 2020-08-28 | 2020-08-28 | Spray injection dust removal device of coal mine support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774389U true CN212774389U (en) | 2021-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021842194.7U Active CN212774389U (en) | 2020-08-28 | 2020-08-28 | Spray injection dust removal device of coal mine support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494308A (en) * | 2021-08-20 | 2021-10-12 | 中煤科工集团重庆研究院有限公司 | Torsion spring type dust collecting and guiding method and device |
| CN116658232A (en) * | 2023-04-10 | 2023-08-29 | 安徽理工大学 | Dust-blocking protection device between hydraulic supports |
-
2020
- 2020-08-28 CN CN202021842194.7U patent/CN212774389U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494308A (en) * | 2021-08-20 | 2021-10-12 | 中煤科工集团重庆研究院有限公司 | Torsion spring type dust collecting and guiding method and device |
| CN116658232A (en) * | 2023-04-10 | 2023-08-29 | 安徽理工大学 | Dust-blocking protection device between hydraulic supports |
| CN116658232B (en) * | 2023-04-10 | 2024-03-19 | 安徽理工大学 | Dust-blocking protection device between hydraulic supports |
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