CN106121712B - Coal mine horizontal tunneling boring high effect dust cleaner - Google Patents
Coal mine horizontal tunneling boring high effect dust cleaner Download PDFInfo
- Publication number
- CN106121712B CN106121712B CN201610678040.0A CN201610678040A CN106121712B CN 106121712 B CN106121712 B CN 106121712B CN 201610678040 A CN201610678040 A CN 201610678040A CN 106121712 B CN106121712 B CN 106121712B
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- abnormity
- horizontal
- grade
- demister
- tunneling boring
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- 239000000428 dust Substances 0.000 title claims abstract description 34
- 230000005641 tunneling Effects 0.000 title claims abstract description 33
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 title abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 239000003595 mist Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000007921 spray Substances 0.000 description 9
- 239000004677 Nylon Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Prevention Of Fouling (AREA)
Abstract
The present invention relates to a kind of dust-extraction unit, specially coal mine horizontal tunneling boring high effect dust cleaner, including two-stage abnormity horizontal demister, respectively thick grade abnormity horizontal demister and smart grade abnormity horizontal demister；Every grade of special-shaped horizontal demister includes multigroup special-shaped dedusting blade being mounted side by side；Tunneling boring sprayer is installed in the front and back end of thick grade abnormity horizontal demister respectively, and smart grade abnormity horizontal demister rear end is equipped with tunneling boring sprayer；The side of the special-shaped horizontal demister of described every grade is also equipped with catch basin.Coal mine horizontal tunneling boring high effect dust cleaner provided by the invention, greatly improve efficiency of dust collection, full dirt efficiency of dust collection in tunnel is improved by tunneling boring spraying 23% to 55%, the efficiency of dust collection for exhaling dirt is improved by tunneling boring spraying 20% to 60%, it has been respectively increased 140%, 200%, has realized tunneling boring dedusting, no dead angle and improved spraying device stability, stable structure is not easy to collapse.
Description
Technical field
The present invention relates to a kind of dust-extraction units, specially coal mine horizontal tunneling boring high effect dust cleaner.
Background technology
With the adjustment of national production capacity policy, be currently in production status is using large-scale mechanized equipment, elder generation
Into technology and management highly efficient and productive modern mine, but with the production of mine, each link such as digging, supporting, transport
Generate a large amount of dust.The health for not only endangering staff, make staff be susceptible to suffer from coal mine occupational disease (such as pneumoconiosis,
Silicosis), it is also easy to cause dust explosion accident, seriously affects the safety in production of underground coal mine.Currently, in order to reduce underground coal mine
The content of coal dust and dust, mine traditionally mostly use atomizing de-dusting measure, and straight-bar type or arch are installed mainly in tunnel
The tunneling boring spraying device of formula, some mines increase by one of nylon wire on the basis of the above, and the coal dust absorption of floating is sprayed at
Nylon wire.The water mist that spraying device sprays is combined with coal dust and dust, is formed water droplet and is fallen, has achieved the purpose that dedusting.But
It is, whether straight-bar type spraying device or arch formula spraying device to use under the difference support form of tunnel and limited
System, both spraying devices can only spray in the same direction, and there are sprinkling dead angles, tunneling boring atomization are not achieved, therefore dedusting is imitated
Fruit is limited, but due to traditional dust suppression dust removing effects are bad, in fully-mechanized mining working air return way or main air return lane wind speed compared with
High factor, the regional dusts concentration such as fully-mechanized mining working air return way, main air return lane are still higher, therefore need further dedusting.
Basic technical scheme：The first be in mine return air stream according to roadway shape at the top of tunnel or the suitable position in bottom
It sets and makes straight-bar type or arch formula spray boom frame structure using 6 points of seamless steel pipes, it is equal to the intervals 700mm by 600mm on spray boom
Spray boom is connected using high-pressure hose with the high-pressure water pipe in tunnel by even arrangement high-pressure water nozzle, by nozzle by high pressure water
It is sprayed into mist dress, dust wetting in the return of tunnel is increased into its gravity to reach dust removing effects.
Installation site：It is generally used in the smaller tunnel of wind speed.Digging laneway away from working face 50m, away from tunnel return air
Mouth 50m, it sprays away from first group of tunneling boring of installation at the distinguished and admirable positions 15m under whitewashing point, increases again every 200m for guarantee dust removing effects
Add one group.
Installation requirement：600-700mm arranges a high-pressure nozzle, nozzle short circuit length to tunneling boring spray nozzle windward
100mm, switch are located at pedestrian side, and water curtain length is not less than lanewidth 90%, and water curtain makees clamp with 3mm band irons with holes, away from top plate
Height no more than 300mm is fixed.Whitewashing tunnel nailing or setscrew are fixed with top plate, in tunnel and roofbolt
It is fixed.
Second is on the basis of the first, along wind direction separately according to tunnel at away from the positions spray boom 100-300mm
Shape makes frame and lays nylon fine-meshed screen on it, and in its front, nozzle ejection high-pressure water mist falls and forms water on nylon wire
Mist mould is soaked by water mist mould and stops distinguished and admirable middle dust, to reach dust removing effects.
The air-flow velocity that both technologies only adapt to is less than or equal to 2.0m/s, and application range is limited.Efficiency of dust collection is low, through surveying
Fixed full dirt efficiency of dust collection is only 23%, and it is only 20% to exhale the efficiency of dust collection of dirt.It needs to install multigroup while use, cause high pressure water
A large amount of wastes, increase pumping equipment.In spray boom there is sprinkling dead angle up to top plate and tunnel bottom, cannot achieve complete disconnected
Face dedusting.Frame stability is poor, fragile.
Invention content
In view of the above technical problems, the present invention provides a kind of coal mine horizontal tunneling boring high-effective dust-removing dress of high dust collection efficiency
It sets.
Coal mine horizontal tunneling boring high effect dust cleaner, including two-stage abnormity horizontal demister, respectively thick grade are different
Shape horizontal demister and smart grade abnormity horizontal demister；Every grade of special-shaped horizontal demister includes multigroup pacifying side by side
The special-shaped dedusting blade of dress；The front and back end of thick grade abnormity horizontal demister is installed by tunneling boring sprayer, smart grade abnormity respectively
Horizontal demister rear end is equipped with tunneling boring sprayer；It also installs the side of the special-shaped horizontal demister of described every grade
There is catch basin.
The special-shaped dedusting blade is " entering " word shape, includes the primary blades of arc, has down at the top of arc primary blades
Hook is curved, and the barb is curved towards air inlet direction.
Tunneling boring is set according to drift section, the smooth polymorphic structure object in surface is arranged side by side to change wind direction increasing comprehensively
Add dust-contained airflow and plume contact time, promotes dust-laden water mist effectively to be touched with polymorphic structure object by itself distinguished and admirable wind-force of dust-laden
It hits, dust-laden droplet collides and is attached on the surface thereof with special-shaped dedusting blade.It is settled using its own gravity of dust-laden droplet
The surface tension of rubbing action, suction-operated and liquid with special-shaped dedusting blade so that drop is increasing, until what is gathered
Drop arrive greatly its own generation gravity be more than gas climbing power and surface tension of liquid resultant force when, dust-laden drop is just from different
It is separated on shape dedusting blade surface, to improve efficiency of dust collection, mechanical dedusting is realized with this.
The size of blade pitgh has a significant impact to the demisting efficiency of demister.It is imitated with the increase demisting of blade pitgh
Rate reduces.It is preferred that between blade pitgh 25-40mm.
The increase of special-shaped horizontal demister series, efficiency of dust collection increases, and the pressure loss also increases therewith.Demister
Design requirement using improve demisting efficiency reduce the pressure loss as objective.Therefore, it pursues demisting efficiency merely and increases series, but
Ignore the increase of gas-flow resistance loss, result will be such that the loss of energy dramatically increases.Optimal design uses two-stage dust-extraction unit.
Tunneling boring sprayer hydraulic pressure is generally according to the distance between the feature of flooding nozzle and special-shaped horizontal demister
Etc. factors determine, the distance between nozzle and special-shaped horizontal demister generally 650-900mm, when flushing water forces down, punching
It is poor to wash effect.Washing pressure height then easily causes smoke secondary band water.Reduce blade service life simultaneously.
Coal mine horizontal tunneling boring high effect dust cleaner provided by the invention, greatly improves efficiency of dust collection, will be complete in tunnel
Dirt efficiency of dust collection is improved by tunneling boring spraying 23% to 55%, and the efficiency of dust collection for exhaling dirt is improved extremely by tunneling boring spraying 20%
60%, it has been respectively increased 140%, 200%, has realized tunneling boring dedusting, no dead angle and improved spraying device stability, structure is steady
It is fixed, it is not easy to collapse.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
It is described in conjunction with the embodiments the specific embodiment of the invention.
By taking drift section is stalk semicircle arch form as an example, the wide 5.5m in tunnel, the high 1.9m of stalk, semicircular arch radius are 2.75m,
Sectional area is 22.32m2。
Design scheme is：Two-stage abnormity horizontal demister and three layers of flushing water system.
Coal mine horizontal tunneling boring high effect dust cleaner, including two-stage abnormity horizontal demister, respectively thick grade are different
Shape horizontal demister and smart grade abnormity horizontal demister；Every grade of special-shaped horizontal demister includes multigroup pacifying side by side
The special-shaped dedusting blade 1 of dress；Special-shaped 1 spacing of dedusting blade of thick grade abnormity horizontal demister is 30mm, smart grade abnormity water
Special-shaped 1 spacing of dedusting blade of flat demister is 25mm；
Tunneling boring sprayer 2 is installed in the front and back end of thick grade abnormity horizontal demister respectively, and smart grade abnormity horizontal is removed
Mist device rear end is equipped with tunneling boring sprayer 2；
The side of the special-shaped horizontal demister of described every grade is also equipped with catch basin 3.
The special-shaped dedusting blade 1 is " entering " word shape, includes the primary blades of arc, has down at the top of arc primary blades
Hook is curved, and the barb is curved towards air inlet direction.
Dedusting sequence for first through thick grade abnormity horizontal demister remove dust-laden it is distinguished and admirable in most dust, then through essence
The special-shaped horizontal demister of grade captures dust and is purified distinguished and admirable comprehensively.Before away from per pass abnormity horizontal demister
One group of tunneling boring sprayer is set at each 0.66m afterwards to realize the periodic flushing of special-shaped dedusting blade.3 layers of rinse-system i.e. three layers
Tunneling boring sprayer, first layer are that one layer of rinse-system is matched in the front side of thick grade abnormity horizontal demister；The second layer is thick grade
Match one layer of rinse-system on rear side of special-shaped horizontal demister；Third layer is to match one layer on rear side of smart grade abnormity horizontal demister
Rinse-system.All making materials of dust-extraction unit are all made of antistatic, fire-retardant reinforced polypropylene PPTV materials.Horizontal demisting
Device is mounted in horizontal air duct, needs two layers of support beam structure, every layer of more support beam group at.
Claims (1)
1. a kind of coal mine horizontal tunneling boring dust-extraction unit, it is characterised in that：Including two-stage abnormity horizontal demister, respectively
For thick grade abnormity horizontal demister and smart grade abnormity horizontal demister；Thick grade abnormity horizontal demister and smart grade
Special-shaped horizontal demister includes multigroup special-shaped dedusting blade being mounted side by side；Before thick grade abnormity horizontal demister
Tunneling boring sprayer is installed in rear end respectively, and smart grade abnormity horizontal demister rear end is equipped with tunneling boring sprayer；Described
The side of thick grade abnormity horizontal demister and smart grade abnormity horizontal demister is also equipped with catch basin；
The special-shaped dedusting blade be " entering " word shape, the primary blades of the special-shaped dedusting leaf packet bracket, arc
There is barb curved at the top of primary blades, the barb is curved towards air inlet direction；The abnormity of thick grade abnormity horizontal demister removes
Dirt blade pitgh is 30mm, and the special-shaped dedusting blade pitgh of smart grade abnormity horizontal demister is 25mm, the two-stage abnormity
Horizontal demister is made of reinforced polypropylene PPTV materials；
After dust first passes through thick grade abnormity horizontal demister dedusting, two are realized using smart grade abnormity horizontal demister
Grade purification；It is set at each 0.66m before and after away from the thick grade abnormity horizontal demister and smart grade abnormity horizontal demister
One group of tunneling boring sprayer is set, three layers of rinse-system are formed；Thick grade abnormity horizontal demister and smart grade abnormity horizontal are removed
Mist device is mounted in horizontal air duct, is supported by two layers of support beam structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610678040.0A CN106121712B (en) | 2016-08-16 | 2016-08-16 | Coal mine horizontal tunneling boring high effect dust cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610678040.0A CN106121712B (en) | 2016-08-16 | 2016-08-16 | Coal mine horizontal tunneling boring high effect dust cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121712A CN106121712A (en) | 2016-11-16 |
| CN106121712B true CN106121712B (en) | 2018-08-14 |
Family
ID=57278560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610678040.0A Active CN106121712B (en) | 2016-08-16 | 2016-08-16 | Coal mine horizontal tunneling boring high effect dust cleaner |
Country Status (1)
| Country | Link |
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| CN (1) | CN106121712B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056382B (en) * | 2018-08-01 | 2023-10-20 | 国电建投内蒙古能源有限公司 | Fully-mechanized coal mining face lapping device and lapping method |
| CN114607445A (en) * | 2022-03-30 | 2022-06-10 | 中煤科工集团重庆研究院有限公司 | Defogging dust device in colliery haulage roadway |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1503033A1 (en) * | 2003-07-29 | 2005-02-02 | Cft Gmbh Compact Filter Technic | Apparatus for generating an air current in a sound-isolated dust remover |
| CN203370451U (en) * | 2013-07-17 | 2014-01-01 | 湖南正明环境工程有限公司 | Two-stage wet-type efficient desulfurization and dust collection device |
| CN204122243U (en) * | 2014-08-01 | 2015-01-28 | 上海瑞亚安环保设备有限公司 | A kind of demister of many curved strip hook blade and application thereof |
| CN204469404U (en) * | 2015-03-03 | 2015-07-15 | 山东天河科技有限公司 | Mining wet dust-collecting system demister |
| CN205936689U (en) * | 2016-08-16 | 2017-02-08 | 国电建投内蒙古能源有限公司 | High -efficient dust collector of full section of colliery horizontal |
-
2016
- 2016-08-16 CN CN201610678040.0A patent/CN106121712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1503033A1 (en) * | 2003-07-29 | 2005-02-02 | Cft Gmbh Compact Filter Technic | Apparatus for generating an air current in a sound-isolated dust remover |
| CN203370451U (en) * | 2013-07-17 | 2014-01-01 | 湖南正明环境工程有限公司 | Two-stage wet-type efficient desulfurization and dust collection device |
| CN204122243U (en) * | 2014-08-01 | 2015-01-28 | 上海瑞亚安环保设备有限公司 | A kind of demister of many curved strip hook blade and application thereof |
| CN204469404U (en) * | 2015-03-03 | 2015-07-15 | 山东天河科技有限公司 | Mining wet dust-collecting system demister |
| CN205936689U (en) * | 2016-08-16 | 2017-02-08 | 国电建投内蒙古能源有限公司 | High -efficient dust collector of full section of colliery horizontal |
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| Publication number | Publication date |
|---|---|
| CN106121712A (en) | 2016-11-16 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Yuchun Inventor after: Qiao Gu Inventor after: Zhong Bin Inventor after: Li Haipeng Inventor after: Liu Wenliang Inventor after: Zhang Juguo Inventor after: Wang Xinning Inventor after: Sun Jianxun Inventor after: Zhang Yubo Inventor after: Li Lianghong Inventor after: Qian Guodong Inventor after: Chen Shuyun Inventor before: Gu Yuchun Inventor before: Wang Xinning Inventor before: Zhang Yubo Inventor before: Li Lianghong Inventor before: Qian Guodong Inventor before: Qiao Gu Inventor before: Zhong Bin |
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20161116 Assignee: Guodian Longyuan Environment Protection Engrg. Co., Ltd., Beijing Assignor: GUODIAN CONSTRUCTION INVESTMENT INNER MONGOLIA ENERGY CO., LTD. Contract record no.: X2019990000111 Denomination of invention: Horizontal full-section efficient dust extraction device for coal mine Granted publication date: 20180814 License type: Exclusive License Record date: 20190927 |
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| EE01 | Entry into force of recordation of patent licensing contract |