CN110067590B - Portable intrinsic safety type small-area dust removal system for underground coal mine - Google Patents
Portable intrinsic safety type small-area dust removal system for underground coal mine Download PDFInfo
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- CN110067590B CN110067590B CN201910296808.1A CN201910296808A CN110067590B CN 110067590 B CN110067590 B CN 110067590B CN 201910296808 A CN201910296808 A CN 201910296808A CN 110067590 B CN110067590 B CN 110067590B
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- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 96
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 60
- 239000006096 absorbing agent Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a portable intrinsic safety type small-area dust removal system in a coal mine, which belongs to the technical field of mine dust removal and is characterized by comprising a dust absorption pipe, a material sucking device, a connecting disc, a dust collection cloth bag, a flow divider and an air pipe; the connecting disc is provided with a preset number of material absorbers which penetrate through the connecting disc and are connected with the connecting disc, the interior of each material absorber is in a front-back through shape, the rear end of each material absorber is connected with a dust collecting cloth bag, the front end of each material absorber is connected with a dust collecting pipe, the side wall of each material absorber is also provided with a gas port, and the gas port on each material absorber is communicated with a gas pipe through a flow divider; a reducing throat pipe is also arranged in the material suction device; the portable dust collector has the advantages of simple structure, low cost, small size after shrinkage and convenience in carrying, and is particularly suitable for areas with small air volume but long-term dust existence in small-area areas under a coal mine.
Description
Technical Field
The invention relates to the technical field of mine dedusting, in particular to a portable intrinsic safety type small-area dedusting system for an underground coal mine.
Background
In the underground coal mine work, mine safety is particularly important, wherein dust disasters seriously threaten the safe production of the mine. The health of human beings is endangered: when the human body inhales dust, the particles smaller than 5 mu m are easy to penetrate into the lung to cause toxic pneumonia or silicosis, and sometimes cause lung cancer; secondly, explosion hazard: the dust is mixed with air to form combustible mixed gas, if the dust meets open fire or high-temperature objects, the dust is easy to catch fire, the burning process is finished in a tilting room, a large amount of heat energy is released, the burning gas is suddenly raised, the volume is violently expanded, and high expansion pressure is formed.
In mines, dust in some local areas is difficult to treat, the areas are often working areas of workers, but the areas are difficult to use large-scale dust removal equipment to achieve a good dust removal effect, and the portable intrinsic safety type small-area dust removal system can well solve the problem of small-area dust removal.
At present, the coal mine dust removal technology in China mainly comprises a foam dry fog dust removal technology, a spray dust removal technology, a wet dust removal technology and the like, which are popularized and applied in a certain period of time, but have certain defects in the dust removal in a small area, for example, the foam dry fog dust removal technology is generally suitable for large-scale dust removal and is not free from large and small materials in the small area; the spray type dust removal requires various equipment and instruments, and the dust removal condition of the system is not provided in certain areas of a mine; the wet dust removal technique has the disadvantage that once dust removal begins, the dust removal is absolutely required not only in a certain fixed area, which causes waste of resources and is very costly. At present, a portable dust removal system aiming at a small area with small air volume and a long-time dust storage area under a coal mine does not exist, so that the underground portable intrinsic safety type small area dust removal system for the coal mine is provided.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, provides a portable intrinsic safety type underground coal mine small-area dust removal system which is simple in structure, low in cost, small in size after shrinkage and convenient to carry, solves the problem that the traditional dust removal system is inconvenient to use or small in size, and is particularly suitable for areas with small air volume and long-term dust in small-area areas, such as a slurry spraying and material adding area and a belt transfer position, in the underground coal mine.
The technical scheme for solving the technical problems is as follows: the underground portable intrinsic safety type small-area dust removal system for the coal mine is characterized by comprising a dust collection pipe, a material sucking device, a connecting disc, a dust collection cloth bag, a flow divider and an air pipe; the connecting disc is provided with a preset number of material absorbers which penetrate through the connecting disc and are connected with the connecting disc, the interior of each material absorber is in a front-back through shape, the rear end of each material absorber is connected with a dust collecting cloth bag, the front end of each material absorber is connected with a dust collecting pipe, the side wall of each material absorber is also provided with a gas port, and the gas port on each material absorber is communicated with a gas pipe through a flow divider; the material suction device is characterized in that a reducing throat pipe is further arranged in the material suction device, the two ends of the reducing throat pipe are in a front-back through shape, the diameter of the front end of the reducing throat pipe is larger than that of the rear end of the reducing throat pipe, the front end of the reducing throat pipe is connected with the front end of the material suction device and is communicated with the dust suction pipe, the rear end of the reducing throat pipe is located on the rear side of the air port, and a preset distance is reserved between the rear end of the reducing throat pipe and the rear end.
Furthermore, the material suction device is fixedly connected with the connecting disc through the outer wall of the material suction device.
Furthermore, a branch pipe is connected between the air port and the flow divider, and an independent first switch is arranged on each branch pipe.
Furthermore, the shunt is fixedly connected with the connecting disc.
Furthermore, the outer end of the air pipe is connected with a mine compressed air system pipeline.
Further, a second switch is arranged on the air pipe.
Furthermore, the material suction device is detachably connected with the dust collecting cloth bag and the dust collecting pipe.
The invention has the beneficial effects that: the pneumatic dust collector has the advantages that the pneumatic dust collection can be realized under a mine through the material suction device with the built-in throat pipe structure, the dust collection pipe, the air pipe, the dust collection cloth bag and the like connected with the material suction device, the pneumatic dust collection device is simple in structure, low in cost, small in size after shrinkage, convenient to carry and use, and particularly suitable for areas with small air volume and long-time dust existence in small-area areas under a coal mine, such as a slurry spraying and feeding area, a belt transfer position and the like.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a schematic front view of a connection pad according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a front end of a connection pad according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a rear end of a connection pad according to an embodiment of the invention.
In the figure: 1. the dust collector comprises a dust collecting cloth bag, 2. a material suction device, 3. a connecting disc, 4. an air port, 5. a reducing throat pipe, 6. a dust suction pipe, 7. a flow divider, 8. a first switch, 9. a branch air pipe, 10. an air pipe and 11. a second switch.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1-4, the portable intrinsic safety type small-area dust removal system for underground coal mine of the present embodiment includes a dust collection tube 6, a material suction device 2, a connection disc 3, a dust collection cloth bag 1, a flow divider 7 and an air tube 10; the material suction device comprises a connecting disc 3, wherein the connecting disc 3 is provided with a preset number of material suction devices 2, the material suction devices 2 penetrate through the connecting disc 3 and are fixedly connected with the connecting disc 3 through the outer walls of the material suction devices, the interior of each material suction device 2 is in a front-back through shape, the rear end of each material suction device 2 is connected with a dust collection cloth bag 1, the front end of each material suction device 2 is connected with a dust collection pipe 6, the side wall of each material suction device 2 is also provided with a gas port 4, each gas port 4 on each material suction device 2 is communicated with a gas pipe 10 through a flow divider 7, the flow divider 7 is fixedly connected onto the connecting disc 3, a branch gas pipe 9 is connected between each gas port 4 and the flow divider 7, each branch gas pipe;
the material suction device is characterized in that a reducing throat pipe 5 is further arranged inside the material suction device 2, two ends of the reducing throat pipe 5 are in a front-back through shape, the diameter of a front end of the reducing throat pipe 5 is larger than that of a rear end of the reducing throat pipe, the front end of the reducing throat pipe 5 is connected with the front end of the material suction device 2 and communicated with a dust suction pipe 6, the rear end of the reducing throat pipe 5 is located on the rear side of the air port 4, and a preset distance is reserved between the rear end of the reducing throat pipe 5 and the rear end of the material suction.
In the embodiment, three material suction devices 2 are arranged on the connecting disc 3 and are uniformly arranged along the circumferential direction of the connecting disc 3, the shunt 7 is fixed at the center of the connecting disc 3, the length of the material suction devices is not more than 300mm, and the diameter of the material suction devices is less than 50 mm.
The implementation process of the invention is as follows: firstly, a mine air compression system and a device are connected, namely an air pipe 10 is connected to a mine air compression system pipeline, and the front end of a dust suction pipe 6 is aligned to a dust production area. After the corresponding first switch 8 and the second switch 11 are opened, air supply is started, the air is divided by the flow divider 7 to each material suction device 2 and enters the material suction devices 2 through the air ports 4, and due to the arrangement of the reducing throat pipe 5, when the air enters the rear end of the reducing throat pipe 5 from the external space of the reducing throat pipe 5, a negative pressure area is formed at the front end of the reducing throat pipe 5, so that a certain suction force is generated by the dust suction pipe 6 communicated with the front end of the reducing throat pipe 5, and dust at the front end of the dust suction pipe 6 is sucked into the material suction devices 2 and enters the dust collection cloth bag 1, so that the purpose of dust removal is achieved. In another embodiment of the present invention, the material suction device 2 can be detachably connected with the dust collecting cloth bag 1 and the dust suction pipe 6, when the dust collecting cloth bag 1 has more dust collection, the material suction device can be quickly taken down and replaced with a new dust collecting cloth bag, and meanwhile, the taken-down cloth bag with more dust collection is cleaned, so that the dust removal efficiency can be improved to the maximum extent.
The dust collection pipe and the dust collection cloth bag of the dust collection system can be contracted, the material suction device is an intrinsic safety type pure pneumatic element, the size of the dust collection cloth bag can be determined according to the size of an actual application area, and the front end of the dust collection pipe can be flexibly placed and used for absorbing scattered dust in different areas; the whole system has simple structure, low cost, small volume after shrinkage and convenient carrying, and is particularly suitable for dedusting of small-area operation areas under mines.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The portable intrinsic safety type small-area dust removal system for the underground coal mine is characterized by comprising a dust collection pipe (6), a material suction device (2), a connecting disc (3), a dust collection cloth bag (1), a flow divider (7) and an air pipe (10); the dust collector is characterized in that a preset number of material absorbers (2) are arranged on the connecting disc (3), the material absorbers (2) penetrate through the connecting disc (3) and are connected with the connecting disc, the interior of the material absorbers (2) is in a front-back through shape, the rear end of the material absorbers (2) is connected with a dust collecting cloth bag (1), the front end of the material absorbers (2) is connected with a dust collecting pipe (6), the side wall of the material absorbers (2) is also provided with a gas port (4), and the gas port (4) on each material absorber (2) is communicated with a gas pipe (10) through a flow divider (7); inhale glassware (2) inside still to be provided with reducing choke (5), the form that link up around reducing choke (5) both ends are, and the diameter of reducing choke (5) front end port is greater than its rear end bore, and reducing choke (5) front end is connected with inhaling glassware (2) front end and is linked together with dust absorption pipe (6), and reducing choke (5) rear end is located the rear side of gas port (4), and leaves between reducing choke (5) rear end and the glassware (2) rear end and predetermine the distance.
2. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 1, wherein the material suction device (2) is fixedly connected with the connecting disc (3) through the outer wall of the material suction device.
3. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 1, wherein a branch gas pipe (9) is connected between the gas port (4) and the flow divider (7), and an independent first switch (8) is arranged on each branch gas pipe (9).
4. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 1, wherein the flow divider (7) is fixedly connected with the connecting disc (3).
5. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 1, wherein the outer end of the air pipe (10) is connected with a mine compressed air system pipeline.
6. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 5, characterized in that a second switch (11) is arranged on the air pipe (10).
7. The underground coal mine portable intrinsic safety type small-area dust removal system according to claim 1, wherein the material suction device (2) is detachably connected with the dust collection cloth bag (1) and the dust collection pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296808.1A CN110067590B (en) | 2019-04-14 | 2019-04-14 | Portable intrinsic safety type small-area dust removal system for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296808.1A CN110067590B (en) | 2019-04-14 | 2019-04-14 | Portable intrinsic safety type small-area dust removal system for underground coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067590A CN110067590A (en) | 2019-07-30 |
| CN110067590B true CN110067590B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910296808.1A Active CN110067590B (en) | 2019-04-14 | 2019-04-14 | Portable intrinsic safety type small-area dust removal system for underground coal mine |
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| CN112523795B (en) * | 2020-10-30 | 2023-03-28 | 山东高创自动化设备有限公司 | Colliery is outstanding buggy cleaning device in pit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2460871C2 (en) * | 2006-10-20 | 2012-09-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | METHOD FOR THERMAL TREATMENT in situ WITH USE OF CLOSED-LOOP HEATING SYSTEM |
| CN101943021B (en) * | 2010-10-20 | 2015-05-20 | 扬州引江矿业设备有限公司 | Compressing-deslagging-drilling dust remover for coal pits |
| CN203809036U (en) * | 2014-02-21 | 2014-09-03 | 山西潞安环保能源开发股份有限公司 | Full-section rotatable mobile type negative-pressure dust collecting device |
| CN206737945U (en) * | 2017-05-25 | 2017-12-12 | 山东科技大学 | A kind of cancellation element of Mine Dust |
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| CN110067590A (en) | 2019-07-30 |
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Address after: 221116 college student entrepreneurship Park, No. 99, University Road, Xuzhou high tech Industrial Development Zone, Xuzhou City, Jiangsu Province B416 Patentee after: XUZHOU SAFE-ZIKE POLYMER MATERIALS Co.,Ltd. Address before: 221116 B416, university entrepreneurship Park, No. 99, University Road, Xuzhou City, Jiangsu Province Patentee before: XUZHOU SAFE-ZIKE POLYMER MATERIALS Co.,Ltd. |