CN106194242A - A kind of tunnel dust pelletizing system - Google Patents
A kind of tunnel dust pelletizing system Download PDFInfo
- Publication number
- CN106194242A CN106194242A CN201610805259.2A CN201610805259A CN106194242A CN 106194242 A CN106194242 A CN 106194242A CN 201610805259 A CN201610805259 A CN 201610805259A CN 106194242 A CN106194242 A CN 106194242A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- dust
- pelletizing system
- dust pelletizing
- dedusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 76
- 238000005453 pelletization Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 21
- 238000004064 recycling Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 238000000151 deposition Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003915 air pollution Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013589 supplement Substances 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
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- 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
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)
- Ventilation (AREA)
Abstract
The invention discloses a kind of tunnel dust pelletizing system, this system includes wind pushing mechanism (1), dedusting mechanism (2)；Described wind pushing mechanism (1) includes blast machine (101) and ventilation duct (102), described blast machine (101) is arranged at outside tunnel, and described ventilation duct (102) one end connects described blast machine (101) other end and is arranged at construction face；Described dedusting mechanism (2) includes dedusting fan (201)；Described ventilation duct (102) and described dedusting fan (201) be respectively provided with the both sides with tunnel, and the position lag that described dedusting fan (201) is arranged is in the air outlet position of described ventilation duct (102).This system can effectively reduce the concentration of dust in air in tunnel, it is ensured that the clean working environment in tunnel, ensures that operating personnel's is healthy.Additionally can also prevent the air-polluting diffusion in tunnel, reduce the pollution to air.
Description
Technical field
The present invention relates to a kind of control rock cantilever excavator constructing tunnel dust falling system, belong to constructing tunnel field.
Background technology
During constructing tunnel, the control to dust is particularly important, and it will directly affect tunnel integral construction process.For
The control of dust concentration, in current tunnel, the existing method of depositing dust mainly takes press-in or the draft type of pull-out type, also has
Part uses reducing dust lowering car to carry out depositing dust.The shortcoming of these methods is to flow to dust wayward, it is easy to expand in tunnel
Dissipating, affect working environment, have a strong impact on the healthy of operating personnel, difficulty gets a desired effect.
At present state's inner tunnel majority uses blower fan to carry out extracting out or forced carries out tunnel dust settling, in time will after tunnel excavation
Airduct is received and dust concentration in tunnel is reduced at face, it is ensured that the construction environment in tunnel.Above-mentioned tunnel ventilation depositing dust side
Although method is the most practical, but all there is shortcoming in varying degrees, be mainly reflected in: ventilation depositing dust is the most thorough；Ventilation depositing dust is only
Can guarantee that one-sided air quality；Operation easily causes hole environment pollution not in time.
Summary of the invention
Thorough not in order to solve the ventilation depositing dust of prior art existence, easily cause the problems such as hole environment pollution, this
Invention proposes a kind of tunnel dust pelletizing system, can effectively reduce the concentration of dust in air in tunnel, it is ensured that dry in tunnel
Clean working environment, ensures that operating personnel's is healthy.
The present invention solves its technical problem and the technical scheme is that this tunnel dust pelletizing system includes wind pushing mechanism, dedusting
Mechanism；Described wind pushing mechanism includes blast machine and ventilation duct, and described blast machine is arranged at outside tunnel, described ventilation duct one
End connects the described blast machine other end and is arranged at construction face；Described dedusting mechanism includes dedusting fan；Described ventilation duct
And described dedusting fan be respectively provided with the both sides with tunnel, and the position lag that described dedusting fan is arranged is in described ventilation duct
Air outlet position.
Described wind pushing mechanism is responsible for sending into ozone outside tunnel construction face, and described dedusting mechanism is responsible for removing
Dust in air；Described dedusting fan can absorb substantial amounts of air pollution by inlet scoop in tunnel, and by self
The dust arrester in portion filters the dust in air pollution, and is discharged by fresh air, it is achieved to the seizure of dust in tunnel.Dedusting
The airflow of fan induced draught mouth can form district of local decompression around, it is achieved that dust air in tunnel is preferably gathered,
Collect, prevent the diffusion of dust.Use position lag that described dedusting fan arranges in the air outlet position of described ventilation duct
Design, makes air-flow be easier at face and forms circulation, improve dust removing effects.
The present invention solves the further technical scheme of its technical problem: described dedusting fan lags behind ventilation duct air outlet
DistanceWherein S is the area of tunnel tunnel face.
The present invention solves the further technical scheme of its technical problem: the blast of described blast machine is described dedusting fan
1.5 times of blast.
The present invention solves the further technical scheme of its technical problem: this tunnel dust pelletizing system also includes anti-dust and expands
Dissipating mechanism, described anti-dust recycling mechanism is arranged on tunnel face and described anti-dust recycling mechanism includes spray equipment and close mesh
Net；Described spray equipment is arranged on top, tunnel face；Described Dense mesh screen is arranged on tunnel face, and can cover tunnel face.
Anti-dust recycling mechanism is mainly used in preventing being diffused in the air outside tunnel of dust, atmosphere pollution.Described spray
Shower device is for spraying water on described Dense mesh screen, and the Dense mesh screen after humidification can effectively stop the diffusion of dust.
The present invention solves the further technical scheme of its technical problem: the spray head of described spray equipment is hoop spray
Head, it is ensured that every part of described Dense mesh screen all can be drenched.
The present invention solves the further technical scheme of its technical problem: this tunnel dust pelletizing system also includes humidifier,
Described humidifier is arranged at after described dedusting mechanism 30～40m.
The setting of described humidifier is mainly used for then settling water smoke small water droplets with dust granules absorption, combination
On ground, reach the effect of dedusting with this.
The present invention solves the further technical scheme of its technical problem: described humidifier includes 3～5 circle spraying dresses
Putting, described sprayer unit is located in tunnel wall uniformly.
The quantity of described sprayer unit, if arranging very little, due to air flows faster in tunnel, dust removing effects is failed to understand
Aobvious；If the too many waste water resource that just compares arranged, and effect increase is inconspicuous.
Beneficial effects of the present invention is as follows:
1, wind pushing mechanism is combined with dedusting mechanism, the gathering of dust of being more convenient for, collects；
2, setting up spraying mechanism effectively prevents dust recycling in tunnel outer air；
3, setting up humidifier is to supplement wind pushing mechanism and dedusting mechanism, improves the dust removal efficiency of system.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of tunnel face；
In figure 1, wind pushing mechanism；2, dedusting mechanism；3, humidifier；4, anti-dust recycling mechanism；5, cantilever excavator；6、
Tunnel face；101, blast machine；102, ventilation duct；201, dedusting fan；401, spray equipment；402, Dense mesh screen.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained owning on the premise of not making creative work
Other embodiment, broadly falls into the scope that the present invention is protected.
A kind of tunnel dust pelletizing system, as shown in Figure 1, this tunnel dust pelletizing system includes wind pushing mechanism 1, dedusting mechanism 2；Institute
Stating wind pushing mechanism 1 and include blast machine 101 and ventilation duct 102, described blast machine 101 is arranged at outside tunnel, described ventilation
Pipe 102 one end connects described blast machine 101 other end and is arranged at construction face；Described dedusting mechanism 2 includes dedusting fan
201；Described ventilation duct 102 and described dedusting fan 201 be respectively provided with the both sides with tunnel, and described dedusting fan 201 sets
The position lag put is in the air outlet position of described ventilation duct 102.
Described wind pushing mechanism 1 is responsible for sending into ozone outside tunnel construction face, and described dedusting mechanism 2 is responsible for removing
Remove the dust in air；Described dedusting fan 201 can absorb substantial amounts of air pollution by inlet scoop in tunnel, and by certainly
Dust arrester within body filters the dust in air pollution, and is discharged by fresh air, it is achieved to the seizure of dust in tunnel.
The airflow of dedusting fan 201 inlet scoop can form district of local decompression around, it is achieved that more preferable to dust air in tunnel
Gather, collect, prevent the diffusion of dust.Use the position lag that described dedusting fan 201 is arranged in described ventilation duct 102
The design of air outlet position, makes air-flow be easier at face (i.e. at cantilever excavator 5 construction) place and forms circulation, improve dedusting
Effect.
In different size in view of tunnel tunnel face, i.e. the air of the space at face is different, described removes
Dirt blower fan 201 lags behind the distance of ventilation duct 102 air outlet also should be different, and distance is according to formulaTry to achieve, its
Middle S is the area of tunnel tunnel face, and face is the biggest, and described dedusting fan 201 lags behind the distance of ventilation duct 102 air outlet also
The most remote.
The blast of described blast machine 101 is 1～2 times of described dedusting fan 201 blast, and optimum is 1.5 times.
As shown in Figure 2, this tunnel dust pelletizing system also includes anti-dust recycling mechanism 4, described anti-dust recycling mechanism 4
It is arranged on tunnel face 6 and described anti-dust recycling mechanism 4 includes spray equipment 401 and Dense mesh screen 402；Described spray equipment 401
It is arranged on top, tunnel face 6；Described Dense mesh screen 402 is arranged on tunnel face 6, and can cover tunnel face 6.
Anti-dust recycling mechanism 4 is mainly used in preventing being diffused in the air outside tunnel of dust, atmosphere pollution.Described spray
Shower device 401 is for spraying water on described Dense mesh screen 402, and the Dense mesh screen 402 after humidification can effectively stop the diffusion of dust.Institute
The spray head stating spray equipment 401 is hoop spray head, it is ensured that can every part of described Dense mesh screen 402 all be drenched.Drench
After Dense mesh screen 402 further air is filtered, absorption air in dust.
This tunnel dust pelletizing system also includes that humidifier 3, described humidifier 3 are arranged at after described dedusting mechanism 2 30
～at 40m.The setting of described humidifier 3 is mainly used for then sinking water smoke small water droplets with dust granules absorption, combination
Drop on ground, reach the effect of dedusting with this.
Described humidifier 3 includes 3～5 circle sprayer units, and described sprayer unit is located in tunnel wall uniformly.Described spray
The quantity of mist device, if arranged very little, due to air flows faster in tunnel, dust removing effects is inconspicuous；If arranged
The too many waste water resource that just compares, and effect increase is inconspicuous.
Ensure that the cleannes of air at face, it is ensured that the health of workmen by wind pushing mechanism 1 and dedusting mechanism 2
Situation.Humidifier 3 and the setting of anti-dust recycling mechanism 4, filter air the most further, and ensure that containing
The air of a small amount of dust is not diffuse into outside tunnel.
All can produce hydrops in tunnel face or tunnel in view of non-proliferation mechanism and humidifier, this system also includes
The pipeline of draining, in order to discharge hydrops, does not affect the construction in tunnel.
Track traffic Line 1 Yanzhong, Kweiyang running tunnel uses cantilever excavator construction, applies this invention in work progress
Method carry out arrangements of operations, have been obtained for good effect, have also been obtained the approval of workman simultaneously.Running tunnel total length
586m, arranges vertical shaft in centre position and excavates to both sides simultaneously, and excavation uses Xu work EBZ260 cantilever excavator, and a 55KW send
Blower fan, then development machine rear mixes the dedusting fan of a 22KW, mixes corresponding Dense mesh screen and spray equipment, current tunnel simultaneously
In road dust concentration from before 50～70mg/m3It is reduced to present 6～8mg/m3。
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (8)
1. a tunnel dust pelletizing system, it is characterised in that: include wind pushing mechanism (1), dedusting mechanism (2)；Described wind pushing mechanism (1)
Including including blast machine (101) and ventilation duct (102), described blast machine (101) is arranged at outside tunnel, described ventilation duct (102)
One end connects described blast machine (101) other end and is arranged at construction face；Described dedusting mechanism (2) includes dedusting fan
(201)；Described ventilation duct (102) and described dedusting fan (201) be respectively provided with the both sides with tunnel, and described dedusting fan
(201) position lag arranged is in the air outlet position of described ventilation duct (102).
Tunnel the most according to claim 1 dust pelletizing system, it is characterised in that: described dedusting fan (201) lags behind ventilation
The distance of pipe (102) air outlet
Tunnel the most according to claim 2 dust pelletizing system, it is characterised in that: the blast of described blast machine (101) is described
1.5 times of dedusting fan (201) blast.
4. according to the tunnel dust pelletizing system described in claim 1 or 3, it is characterised in that: this tunnel dust pelletizing system also includes anti-
Dust recycling mechanism (4), described anti-dust recycling mechanism (4) is arranged on tunnel face (6) and described anti-dust recycling mechanism (4) bag
Include spray equipment (401) and Dense mesh screen (402)；Described spray equipment (401) is arranged on tunnel face (6) top；Described Dense mesh screen
(402) it is arranged on tunnel face (6), and tunnel face (6) can be covered.
Tunnel the most according to claim 4 dust pelletizing system, it is characterised in that: the spray head of described spray equipment (401) is
Hoop spray head.
Tunnel dust pelletizing system the most according to claim 1 or 5, it is characterised in that: this tunnel dust pelletizing system also includes spraying
Mechanism (3), the position lag of described humidifier (3) is in described dedusting mechanism (2).
Tunnel the most according to claim 6 dust pelletizing system, it is characterised in that: described humidifier (3) be arranged at described in remove
Dirt mechanism (2) is afterwards at 30～40m.
Tunnel the most according to claim 7 dust pelletizing system, it is characterised in that: described humidifier (3) includes 3～5 circle sprays
Mist device, described sprayer unit is located in tunnel wall uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805259.2A CN106194242A (en) | 2016-09-06 | 2016-09-06 | A kind of tunnel dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805259.2A CN106194242A (en) | 2016-09-06 | 2016-09-06 | A kind of tunnel dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194242A true CN106194242A (en) | 2016-12-07 |
Family
ID=58066621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610805259.2A Pending CN106194242A (en) | 2016-09-06 | 2016-09-06 | A kind of tunnel dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194242A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725096A (en) * | 2017-09-27 | 2018-02-23 | 宁波职业技术学院 | A kind of shield machine received well dust arrester |
| CN108442968A (en) * | 2018-05-25 | 2018-08-24 | 惠州市兴鲁节能科技有限公司 | A kind of novel tunnel smoke discharging dust removing system device |
| CN109236348A (en) * | 2018-09-10 | 2019-01-18 | 中国铁建重工集团有限公司 | A kind of tunnel dust pelletizing system |
| CN109555553A (en) * | 2019-01-22 | 2019-04-02 | 中铁十七局集团第五工程有限公司 | A kind of tunnel tunnel face dust-extraction unit |
| CN110130974A (en) * | 2019-06-28 | 2019-08-16 | 中铁工程装备集团有限公司 | Soil pressure/unlimited bimodulus shield-tunneling construction Multilevel Dust Control System |
| CN110130972A (en) * | 2019-06-05 | 2019-08-16 | 北京新能正源智能装备有限公司 | Air dedusting system in air cleaner, air cleaning vehicle and tunnel in tunnel |
| CN110821548A (en) * | 2019-10-17 | 2020-02-21 | 山东大学 | Comprehensive tunnel dust removal system and method |
| CN111350531A (en) * | 2020-03-18 | 2020-06-30 | 重庆交通建设(集团)有限责任公司 | Surge positive and negative airflow impact type dust removal system suitable for high-smoke tunnel construction |
| CN112012778A (en) * | 2020-09-03 | 2020-12-01 | 广西大学 | Device and method for rapid ventilation and dust fall in tunnel engineering |
| CN113153405A (en) * | 2021-04-13 | 2021-07-23 | 成都威华机电设备有限公司 | Ventilation and oxygen supply method for high-altitude long tunnel construction |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725096A (en) * | 2017-09-27 | 2018-02-23 | 宁波职业技术学院 | A kind of shield machine received well dust arrester |
| CN108442968B (en) * | 2018-05-25 | 2023-12-22 | 广东矿发节能环保科技有限公司 | Tunnel smoke-discharging dust-removing system device |
| CN108442968A (en) * | 2018-05-25 | 2018-08-24 | 惠州市兴鲁节能科技有限公司 | A kind of novel tunnel smoke discharging dust removing system device |
| CN109236348A (en) * | 2018-09-10 | 2019-01-18 | 中国铁建重工集团有限公司 | A kind of tunnel dust pelletizing system |
| CN109555553A (en) * | 2019-01-22 | 2019-04-02 | 中铁十七局集团第五工程有限公司 | A kind of tunnel tunnel face dust-extraction unit |
| CN109555553B (en) * | 2019-01-22 | 2024-04-02 | 中铁十七局集团第五工程有限公司 | Tunnel face dust collector |
| CN110130972A (en) * | 2019-06-05 | 2019-08-16 | 北京新能正源智能装备有限公司 | Air dedusting system in air cleaner, air cleaning vehicle and tunnel in tunnel |
| CN110130974A (en) * | 2019-06-28 | 2019-08-16 | 中铁工程装备集团有限公司 | Soil pressure/unlimited bimodulus shield-tunneling construction Multilevel Dust Control System |
| CN110130974B (en) * | 2019-06-28 | 2024-03-08 | 中铁工程装备集团有限公司 | Multistage dust removal system for earth pressure/open double-mode shield construction |
| CN110821548A (en) * | 2019-10-17 | 2020-02-21 | 山东大学 | Comprehensive tunnel dust removal system and method |
| CN111350531B (en) * | 2020-03-18 | 2023-10-27 | 重庆交通建设(集团)有限责任公司 | Surge positive and negative airflow impact type dust removal system suitable for high smoke tunnel construction |
| CN111350531A (en) * | 2020-03-18 | 2020-06-30 | 重庆交通建设(集团)有限责任公司 | Surge positive and negative airflow impact type dust removal system suitable for high-smoke tunnel construction |
| CN112012778A (en) * | 2020-09-03 | 2020-12-01 | 广西大学 | Device and method for rapid ventilation and dust fall in tunnel engineering |
| CN113153405A (en) * | 2021-04-13 | 2021-07-23 | 成都威华机电设备有限公司 | Ventilation and oxygen supply method for high-altitude long tunnel construction |
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Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |