CN208749389U - Mine negative pressure ventilation and dust removal device - Google Patents
Mine negative pressure ventilation and dust removal device Download PDFInfo
- Publication number
- CN208749389U CN208749389U CN201821518433.6U CN201821518433U CN208749389U CN 208749389 U CN208749389 U CN 208749389U CN 201821518433 U CN201821518433 U CN 201821518433U CN 208749389 U CN208749389 U CN 208749389U
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- Prior art keywords
- dust
- horn
- pipe
- gas collecting
- air duct
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- 239000000428 dust Substances 0.000 title claims abstract description 86
- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 42
- 238000000605 extraction Methods 0.000 description 16
- 239000007921 spray Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 201000010001 Silicosis Diseases 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 208000010499 anthracosilicosis Diseases 0.000 description 1
- 208000010123 anthracosis Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000002950 fibroblast Anatomy 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本实用新型公开了一种矿用负压通风除尘装置，包括风筒、与风筒一端连通的多级风机和与风筒另一端连通的喇叭状连接管，喇叭状连接管远离风筒的一端连通有集气管，喇叭状连接管与风筒连通的喇叭口大于喇叭状连接管与集气管连通的喇叭口，集气管包括管体和螺旋设置在管体上的导风翅片，导风翅片中相邻两个螺圈之间的集气管段上开设有多个网孔，管体的一端与喇叭状连接管连通，管体的另一端为集气管的集气口。本实用新型设计新颖，利用多级风机增大除尘装置内气体与外界气体之间的压差，使气体流速加快，从而增大除尘能力，利用导风翅片引导粉尘以螺旋状进入管体，气流获得旋转运动，使进入管体粉尘的形成涡流，增大了吸尘范围和吸尘速度，提高除尘效果。
The utility model discloses a negative pressure ventilation and dust removal device for mining, which comprises an air duct, a multi-stage fan communicated with one end of the air duct, and a horn-shaped connecting pipe communicated with the other end of the air duct. A gas collecting pipe is communicated, and the bell mouth of the horn-shaped connecting pipe and the air duct is larger than the bell mouth of the horn-shaped connecting pipe and the gas collecting pipe. The gas collecting pipe includes a pipe body and a wind guide fin spirally arranged on the pipe body. A plurality of mesh holes are opened on the gas collecting pipe section between two adjacent coils in the sheet, one end of the pipe body is communicated with the horn-shaped connecting pipe, and the other end of the pipe body is the gas collecting port of the gas collecting pipe. The utility model has a novel design. The multi-stage fan is used to increase the pressure difference between the gas in the dust removal device and the external gas, so that the gas flow rate is accelerated, thereby increasing the dust removal capacity. The wind guide fins are used to guide the dust into the pipe body in a spiral shape. The airflow obtains a rotating motion, so that the dust entering the pipe body forms a vortex, which increases the dust collection range and dust collection speed, and improves the dust removal effect.
Description
Technical field
The utility model belongs to coal mine dedusting security technology area, and in particular to a kind of mining exhaust ventilation dust-extraction unit.
Background technique
Mine dust seriously endangers human health as one of five the Nature disaster of coal mine, if people inhales people's breathing for a long time
Property dust, it will cause lung fibroblast venereal disease become, cause to suffer from pneumoconiosis (silicosis, anthracosis, anthraco-silicosis), dust is not only disliked
Change underground work environment, and underground coal dust is under certain condition, coal-dust explosion can occur, cause casualties and set with mine
Standby serious destruction, leads to serious mine disaster, seriously threatens downhole safety production.The stronger mine dedusting of practicability at present
Device includes wet scrubber and dry type dust removal by ventilation device, wherein and wet scrubber is using water spray precipitator or sprays foam dust-removing,
Principle is after soaking dust particles, to be mutually bonded, agglomerate, grow up, and is easy for separating in atmosphere, in addition, comparing temperature
High flue gas, Direct spraying realize that evaporation cooling can make flue gas cooling with a small amount of water, and volume contraction realizes dedusting, still,
Atomized water spray or spray foam dust-removing when, liquid spray be difficult to realize uniformly spray, liquid spray less than place, dust concentration is still
It is very high, and after dust particles wetting, it is mutually bonded, agglomerates, needs a period of time variation of growing up, depositing dust speed is slow, and further
Increase subsurface environment humidity, in addition to this, wet scrubber needs install a large amount of spray equipment in place in advance, consume
Take a large amount of manpower and material resources；Existing dry type dust removal by ventilation device dedusting fan air draught port dust suction range is short, it is difficult to adapt to underground
A large amount of dust atmosphere.
Utility model content
It is a kind of mining the technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide
Exhaust ventilation dust-extraction unit, it is novel in design reasonable, increased in dust-extraction unit between gas and ambient atmos using multistage blower
Pressure difference, accelerate gas flow rate, to increase dust collection capacity, spirally enter tube body using wind-guiding fin guidance dust,
Air-flow obtains rotary motion, is vortexed the formation into tube body dust, increases dust suction range and dust suction speed, improves dedusting effect
Fruit, convenient for promoting the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is: mining exhaust ventilation dust-extraction unit,
It is characterized in that: including air duct, the multistage blower being connected to air duct one end and the horn-like connecting tube being connected to the air duct other end, loudspeaker
Shape connecting tube is communicated with gas collecting tube far from one end of air duct, and the horn mouth that horn-like connecting tube is connected to air duct is greater than horn-like
The horn mouth that connecting tube is connected to gas collecting tube, gas collecting tube includes tube body and the wind-guiding fin on tube body, wind-guiding wing is arranged in spiral
Multiple mesh are offered on gas collection pipeline section in piece between two neighboring bung flange, one end of tube body is connected to horn-like connecting tube,
The other end of tube body is the collection port of gas collecting tube.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: the tube body and wind-guiding fin machining are made as one
Body, tube body are steel tube body, and wind-guiding fin is steel wind-guiding fin.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: in the wind-guiding fin between two neighboring bung flange
Axial distance be 15cm~20cm.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: multiple mesh are uniformly provided with wind-guiding wing
On gas collection pipeline section in piece between two neighboring bung flange.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: the blower series in the multistage blower is no less than
Three-level.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: the multistage blower is wrapped with noise absorption cover.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: the air duct is stirrup flexibility air duct.
Above-mentioned mining exhaust ventilation dust-extraction unit, it is characterised in that: the horn-like connecting tube is the horn-like company of steel
Adapter tube, the central angle of the horn-like connecting tube of steel are 15 °~30 °.
Compared with the prior art, the utility model has the following advantages:
1, the utility model increases the pressure difference in dust-extraction unit between gas and ambient atmos by the multistage blower of setting,
Accelerate gas flow rate, to increase dust collection capacity, improve dust removing effects, convenient for promoting the use of.
2, gas collection of the utility model by the way that wind-guiding fin is arranged on tube body, in wind-guiding fin between two neighboring bung flange
Multiple mesh are offered on pipeline section, dust can enter tube body by collecting port, can also enter tube body by multiple mesh, increase
Dust suction range, wind-guiding fin guidance dust enter tube body, are vortexed the formation into tube body dust, and air-flow obtains rotary motion,
Dust suction speed is increased, reliable and stable, using effect is good.
3, the utility model is novel in design rationally, by adjusting the installation position of air duct and laying length, according to actual rings
Gas collecting tube is placed in border, and gas collecting tube can be moved when gas collecting tube works, flexible and convenient to use, and volume is not introduced into site environment
Outer substance, convenient for promoting the use of.
In conclusion the utility model is novel in design rationally, increase gas and the external world in dust-extraction unit using multistage blower
Pressure difference between gas, accelerates gas flow rate, to increase dust collection capacity, using wind-guiding fin guidance dust spirally into
Enter tube body, air-flow obtains rotary motion, is vortexed the formation into tube body dust, increases dust suction range and dust suction speed, mention
High dust removing effects, convenient for promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model gas collecting tube.
Description of symbols:
1-multistage blower；2-air ducts；3-horn-like connecting tubes；
4-gas collecting tubes；4-1-tube body；4-2-collection port；
4-3-mesh；4-4-wind-guiding fin.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes mining exhaust ventilation dust-extraction unit, it is characterised in that: including air duct
2, the multistage blower 1 being connected to 2 one end of air duct and the horn-like connecting tube 3 being connected to 2 other end of air duct, horn-like connecting tube 3
One end far from air duct 2 is communicated with gas collecting tube 4, and the horn mouth that horn-like connecting tube 3 is connected to air duct 2 is greater than horn-like connecting tube
3 horn mouths being connected to gas collecting tube 4, gas collecting tube 4 include that the wind-guiding fin 4-4 on tube body 4-1 is arranged in tube body 4-1 and spiral,
Multiple mesh 4-3, one end of tube body 4-1 and loudspeaker are offered on gas collection pipeline section in wind-guiding fin 4-4 between two neighboring bung flange
The connection of shape connecting tube 3, the other end of tube body 4-1 are the collection port 4-2 of gas collecting tube 4.
In the present embodiment, the blower series in the multistage blower 1 is no less than three-level.
It should be noted that the purpose that multistage blower 1 is arranged is increased in dust-extraction unit between gas and ambient atmos
Pressure difference accelerates dust flow velocity, to increase dust collection capacity, improves dust removing effects, the other end of the air duct 2 far from multistage blower 1
It is stretching in dust atmosphere of keeping gas collecting tube 4 as long as possible by the purpose that horn-like connecting tube 3 is connected to gas collecting tube 4, due to
The horn mouth that horn-like connecting tube 3 is connected to air duct 2 is greater than the horn mouth that horn-like connecting tube 3 is connected to gas collecting tube 4, makes gas collection
Pipe 4 is complete vacantly in dust atmosphere, avoids gas collecting tube 4 from directly contacting with ground or mounting platform, reduces the suction of gas collecting tube 4
Dirt range, wind-guiding fin 4-4 is arranged in spiral on the tube body 4-1 in gas collecting tube 4, and in wind-guiding fin 4-4 two neighboring bung flange it
Between gas collection pipeline section on offer multiple mesh 4-3, the setting of tube body 4-1 is in order to which as long as possible stretches to dust atmosphere
In, after opening multistage blower 1, on the one hand the dust in environment is collected port 4-2 and is inhaled into tube body 4-1, collection port 4-2 absorbs
Dust on the extending direction of tube body 4-1；On the other hand it is inhaled into tube body 4-1 through multiple mesh 4-3, increases the suction of dust
Entrance, multiple mesh 4-3 absorb the dust in the ambient enviroment of tube body 4-1 simultaneously, greatly increase dust suction range；Separately
Outside, the purpose that wind-guiding fin 4-4 spiral is arranged on tube body 4-1 is that guidance dust enters tube body, makes the dust into tube body 4-1
Formation vortex, dust obtain rotary motion, accelerate the flowing of dust, increase dust suction speed, it is reliable and stable, avoid existing
The other end direct dust suction of the ventilating dust-arrester using air duct far from multistage blower, dust in environment only from an entrance into
Enter tube body, the suction inlet of dust is single, and dust suction range is short.
In the present embodiment, the tube body 4-1 and wind-guiding fin 4-4 processing and fabricating are integrated, and tube body 4-1 is steel tube body,
Wind-guiding fin 4-4 is steel wind-guiding fin.
It should be noted that the purpose that tube body 4-1 and wind-guiding fin 4-4 processing and fabricating were integrated and were all made of steel is solution
Certainly when encountering high-temperature flue gas, high-temperature flue gas causes the problem of damaging to gas collecting tube 4, and the setting purpose of wind-guiding fin 4-4 also exists
In working as tube body 4-1 adstante febre, accelerate the heat dissipation of tube body 4-1.
In the present embodiment, the axial distance in the wind-guiding fin 4-4 between two neighboring bung flange is 15cm~20cm.
It should be noted that the mesh that the axial distance in wind-guiding fin 4-4 between two neighboring bung flange is 15cm~20cm
Be efficient dust suction, when the axial distance in wind-guiding fin 4-4 between two neighboring bung flange is close, wind-guiding fin 4-4 is accounted for
According to the most area in the outer surface tube body 4-1, opened up on the gas collection pipeline section in wind-guiding fin 4-4 between two neighboring bung flange
Mesh 4-3 quantity is reduced, and is reduced the dust suction amount of gas collecting tube 4, is made wind-guiding fin 4-4 that can not lead into the dust of tube body 4-1
Vortex is formed, the flow efficiency of dust is reduced；When the axial distance in wind-guiding fin 4-4 between two neighboring bung flange is sparse,
A large amount of dust is inhaled into tube body 4-1 straight, and tube body 4-1 is increased while increasing the dust suction amount of tube body 4-1 and dissipates dust quantity, still
Make wind-guiding fin 4-4 that can not lead into the formation vortex of the dust of tube body 4-1, reduces the flow efficiency of dust.
In the present embodiment, multiple mesh 4-3 are uniformly provided in wind-guiding fin 4-4 between two neighboring bung flange
On gas collection pipeline section.
It should be noted that multiple mesh 4-3 are uniformly provided in wind-guiding fin 4-4 between two neighboring bung flange
Gas collection pipeline section on purpose be that dust is made orderly to uniformly enter tube body 4-1, form stable vortex.
In the present embodiment, the multistage blower 1 is wrapped with noise absorption cover.
In actual use, the multistage work of blower 1 can generate biggish noise, and the purpose of noise absorption cover is wrapped up outside multistage blower 1
It is to reduce noise.
In the present embodiment, the air duct 2 is stirrup flexibility air duct.
In actual use, air duct 2 uses stirrup flexibility air duct, and gas collecting tube 4 can be made arbitrary according to actual site environment
Adjustment direction, installation position is flexible, easy to use, avoids worker in advance to the installation of cleaner.
In the present embodiment, the horn-like connecting tube 3 is the horn-like connecting tube of steel, the horn-like connecting tube of steel
Central angle is 15 °~30 °.
It should be noted that the purpose that horn-like connecting tube 3 is the horn-like connecting tube of steel is to make horn-like connecting tube 3
With hot environment, in actual use, under conditions of the diameter of tube body 4-1 and air duct 2 determines, the central angle of horn-like connecting tube 3
Bigger, horn-like connecting tube 3 is shorter；The central angle of horn-like connecting tube 3 is smaller, and horn-like connecting tube 3 is longer, and steel is horn-like
The central angle of connecting tube is that 15 °~30 ° of purpose is the entrance for making the helical form dust formed in tube body 4-1 be vortexed quick and stable
Air duct 2 avoids the excessive helical form dust resulted in of the central angle of the horn-like connecting tube of steel from being vortexed discrete faster and drops
The low flowing of dust.
When the utility model is used, the series of multistage blower 1 is selected depending on the site environment and adjusts the length of air duct 2, directly
It is placed on to by gas collecting tube 4 to set up gas collecting tube 4 by mounting platform, can also directly put gas collecting tube 4 in dust suction environment
It sets on the ground, starts multistage blower 1, dust is sucked into tube body 4-1 from collection port 4-2 and mesh 4-3, wind-guiding fin 4-
The bootable dust of 4 helical structure is spirally sucked into tube body 4-1, and dust is made to obtain rotary motion, forms vortex, is increased
Big dust suction range and dust suction speed, improve dust removing effects.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518433.6U CN208749389U (en) | 2018-09-17 | 2018-09-17 | Mine negative pressure ventilation and dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518433.6U CN208749389U (en) | 2018-09-17 | 2018-09-17 | Mine negative pressure ventilation and dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749389U true CN208749389U (en) | 2019-04-16 |
Family
ID=66084643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518433.6U Expired - Fee Related CN208749389U (en) | 2018-09-17 | 2018-09-17 | Mine negative pressure ventilation and dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026115A (en) * | 2018-09-17 | 2018-12-18 | 西安科技大学 | Mining exhaust ventilation dust-extraction unit |
| CN111148311A (en) * | 2019-12-31 | 2020-05-12 | 南京城建隧桥经营管理有限责任公司 | Tunnel illumination ventilation structure and management and control system thereof |
-
2018
- 2018-09-17 CN CN201821518433.6U patent/CN208749389U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026115A (en) * | 2018-09-17 | 2018-12-18 | 西安科技大学 | Mining exhaust ventilation dust-extraction unit |
| CN109026115B (en) * | 2018-09-17 | 2023-07-18 | 西安科技大学 | Mine Negative Pressure Ventilation and Dust Removal Device |
| CN111148311A (en) * | 2019-12-31 | 2020-05-12 | 南京城建隧桥经营管理有限责任公司 | Tunnel illumination ventilation structure and management and control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210304 Address after: 710054 No. 58, Yanta Road, Shaanxi, Xi'an Patentee after: XI'AN University OF SCIENCE AND TECHNOLOGY Patentee after: Shaanxi energy Fengjiata mining operation Co.,Ltd. Address before: 710054 No. 58, Yanta Road, Shaanxi, Xi'an Patentee before: XI'AN University OF SCIENCE AND TECHNOLOGY Patentee before: FENJIATA BRANCH OF YULIN HUISEN COAL MINE BUILDING OPERATION Co.,Ltd. |
|
| 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: 20190416 |