CN114753880A - Movable isolated air purification system and method for mine-method tunnel - Google Patents
Movable isolated air purification system and method for mine-method tunnel Download PDFInfo
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- CN114753880A CN114753880A CN202210440423.XA CN202210440423A CN114753880A CN 114753880 A CN114753880 A CN 114753880A CN 202210440423 A CN202210440423 A CN 202210440423A CN 114753880 A CN114753880 A CN 114753880A
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- 238000004887 air purification Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000428 dust Substances 0.000 claims abstract description 52
- 238000005422 blasting Methods 0.000 claims abstract description 51
- 238000010276 construction Methods 0.000 claims abstract description 50
- 238000002955 isolation Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims description 20
- 238000009412 basement excavation Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 7
- 238000009792 diffusion process Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
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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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/107—Dams, e.g. for ventilation inflatable
-
- 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
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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)
- Ventilation (AREA)
Abstract
A movable isolated air purification system and method for a mine method tunnel comprises a movable isolated air inlet system and an air purification device, wherein the movable isolated air inlet system can move in the tunnel, the movable isolated air inlet system divides the interior of the tunnel into a blasting construction area and an operation area, the movable isolated air inlet system comprises an arch-shaped fixed framework matched with the inner diameter of the tunnel, an inflatable sealing ring is arranged on one side of the arch-shaped fixed framework facing the inner wall of the tunnel, an air channel is arranged in the arch-shaped fixed framework, a plurality of air inlet holes communicated with the air channel are arranged on one side of the arch-shaped fixed framework facing the blasting construction area, an air outlet hole communicated with the air channel is arranged on the bottom of the arch-shaped fixed framework facing the operation area, an air inlet of the air purification device is communicated with the air outlet hole through a pipeline, and an openable isolation curtain is fixed in the arch-shaped fixed framework, so that the construction progress of the mine method tunnel is improved, the construction efficiency is improved, the diffusion of dust, particles and harmful gases caused by blasting construction is reduced, and the purification efficiency is improved.
Description
Technical Field
The invention relates to a movable isolated air purification system and method for a mine-method tunnel.
Background
With the continuous advance of national economic development and urbanization process, more and more highway tunnel engineering is under construction, the main excavation mode of the tunnel at present is a shield method and a mine method, the shield method construction has the advantages of high mechanization degree, high construction speed, small pollution and the like, and the tunnel is widely applied to subway tunnels and urban municipal tunnels, but the tunnel is less in application to highway tunnels due to large and heavy tunneling equipment and high construction economic cost. The mine method tunnel is widely used in the highway tunnel due to the advantages of simple construction process, strong adaptability to stratum, low excavation supporting cost and the like.
Blasting excavation is an important link in tunnel construction of a mine method, a large amount of dust is generated instantly after blasting, the dust is high in dispersion degree and can be suspended in air for a long time, according to data detected in the past in the industry, after blasting for 75s, particulate matters smaller than 5 microns account for about 96% of the total number of particles, and blasting dust and process dust account for 80% -90% of the total dust production. And contains a large amount of toxic and harmful gases such as CO, NOx, H2S, SO2, CH4 and the like. At present, ventilation is the main method for purifying air in a tunnel. However, the ventilation method has many problems which are difficult to solve, on one hand, the destructive power of blasting during tunnel construction is large, the ventilation pipe cannot reach the tunnel face, on the other hand, the long-distance ventilation pipe has serious air leakage, so that the fresh air on the working face is insufficient, the air quality in the tunnel does not reach the standard, and the serious harm is caused to the body health of tunnel operators. Moreover, along with the increase of the proportion of the tunnel on the road and railway, the number of the long and large tunnel is increased, the air of the excavation surface needs to be introduced from the opening of the over kilometer, the ventilation resistance is large, the required energy consumption is high, the air quality in the tunnel is ensured only by ventilation, and the air quality is difficult to achieve in both cost and technology. After blasting construction, because the dust is along with blasting shock wave's diffusion, the tunnel can't normally be under construction for a long time, adopts the form that increases tunnel ventilation to get rid of air pollutants such as dust, has not only wasted a large amount of manpower, financial resources, and on-the-spot purifying effect is also unobvious.
How to quickly solve the air quality in the tunnel after blasting construction, and treat the air pollutants such as dust, harmful gas and the like caused by blasting shock waves in a limited tunnel space range, the air quality after blasting operation is purified as soon as possible, the air quality and the construction continuity of the subsequent tunnel are ensured, and the method is particularly urgent for the clean construction space of the subsequent construction.
Disclosure of Invention
The movable isolated air purification system and method for the mine-method tunnel solve the defects of the prior art, improve the construction progress of the mine-method tunnel, improve the construction efficiency, reduce the diffusion of dust, particles and harmful gases caused by blasting construction, and improve the purification efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a movable isolation type air purification system and method for a mine method tunnel comprises a movable isolation air inlet system and an air purification device, the movable isolation air inlet system moves in the tunnel through the traveling system, the movable isolation air inlet system divides the interior of the tunnel into a blasting construction area and an operation area, the movable isolation air inlet system comprises an arch-shaped fixed framework matched with the inner diameter of the tunnel, an inflatable sealing ring is arranged on one side of the arched fixed framework facing the inner wall of the tunnel, an air duct is arranged in the arched fixed framework, a plurality of air inlet holes communicated with the air duct are arranged on one side of the arched fixed framework facing the blasting construction area, the bottom of the arched fixed framework is provided with an air outlet communicated with an air duct facing the operation area, an air inlet of the air purification device is communicated with the air outlet through a pipeline, and an openable isolation curtain is fixed in the arched fixed framework. Adopt above-mentioned structure, arch fixed skeleton can adopt light-duty, high strength material to make, and the section of arch fixed skeleton is circular section or quadrangle section, and arch fixed skeleton internally mounted wind channel, the wind channel is smooth, the easy abluent tuber pipe of inner wall. The air duct is used for collecting polluted air; when a track is laid at the vault of the tunnel, the track is a single track or double tracks, a remote or automatically controlled walking trolley is arranged on the track, and a movable isolation air inlet system is hung on the walking trolley; the inflatable sealing ring is provided with an inflation inlet, the inflatable sealing ring is inflated through the inflation inlet, and irregular gaps between the arched fixing framework and the primary tunnel support can be filled after the inflatable sealing ring is expanded, so that an isolation sealing effect is achieved;
this device utilizes portable isolation air intake system at first to keep apart blasting construction area and operation district, make the dust after the blasting keep apart at blasting construction area like this, prevent to cause the pollution to other operation districts, the at utmost reduces the influence of blasting operation to air quality in the tunnel, improve the construction progress in mine method tunnel, construction efficiency is improved, and simultaneously, because the dust after the blasting is kept apart in blasting construction area, thereby conveniently concentrate through air purification device and purify the air in this area, the dust because blasting construction brought has significantly reduced, the diffusion of granule and harmful gas, the efficiency of purification has been improved.
In this embodiment, keep apart the curtain and include arc windshield curtain and rectangle windshield curtain, one side of arc windshield curtain be with the radian phase-match arc side of the fixed skeleton of arch, the opposite side is the straight line side of being connected with rectangle windshield curtain, the inboard of the fixed skeleton of arch, fixed with the arc side of arc windshield curtain respectively in top and both sides, make three the straight line side of arc windshield curtain encloses to close and forms and rectangle windshield curtain size assorted opening, rectangle windshield curtain sets up opening position to rectangle windshield curtain top is fixed with the arc windshield curtain at the fixed skeleton top of arch, the both sides and the both sides arc windshield curtain of rectangle windshield curtain are for dismantling to be connected. Because the rectangular wind-shield curtain is positioned in the middle of the three arc wind-shield curtains, the opening of the rectangular wind-shield curtain can be realized. When air purification is carried out to the needs isolation, put down rectangle windshield curtain, keep apart and air purification to the operation district. After the air purification is finished, the rectangular wind-shield curtain is rolled up, so that personnel and vehicles in an operation area can conveniently communicate, and the rectangular wind-shield curtain can be put down and rolled up through the form of an electric rolling curtain.
In this embodiment, the two sides of the rectangular wind-blocking curtain are connected with the arc wind-blocking curtains on the two sides by the magnetic-absorbing strips. Therefore, when the rectangular wind-proof curtain is put down, the sealing performance between the rectangular wind-proof curtain and the arc wind-proof curtains on the two sides is improved.
In this embodiment, the air cleaning device includes a cyclone.
In this embodiment, cyclone includes the dust removal chamber of back taper, conical dust removal intracavity is equipped with a plurality of water spray fog heads, the dust box that communicates with the dust removal chamber is installed to the bottom in dust removal chamber, the dust box is removable abluent dust box, and through setting up the dust removal effect to the large granule dust of the water spray fog head reinforcing in the dust removal chamber, the dust box is equipped with the mud adsorption material in the box, improves the adsorption effect of large granule dust.
In this embodiment, air purification device still includes electrostatic adsorption clarifier, carbon adsorption clarifier and chemical catalytic converter, cyclone's air outlet loops through electrostatic adsorption clarifier, carbon adsorption clarifier and chemical catalytic converter and is connected with the air exit.
In the embodiment, the walking system is a track laid on an excavation rack or a waterproof board laying rack or a tunnel vault, and the movable isolation air inlet system is arranged on the excavation rack or the waterproof board laying rack or the tunnel vault laying track to move.
In this embodiment, an isolation device is further disposed in the tunnel, and the working area is formed between the isolation device and the movable isolation air intake system.
In this embodiment, the isolation device is a vertically lifting or horizontally opening and closing wind screen or an air curtain device, and the isolation wind screen is installed at the vault of the tunnel or/and at two sides of the tunnel.
The invention also comprises a movable isolated air purification method for the mine method tunnel, which comprises the following steps that when the tunnel face of the tunnel is blasted, the movable isolated air inlet system is moved to the safe position nearest to the tunnel face, the isolating curtain is opened, then the tunnel face is blasted, after the blasting is finished, the isolating curtain is closed, the air purification system is opened, meanwhile, the movable isolated air inlet system is moved to the set position, the inflatable sealing ring is inflated through the inflation inlet, so that the inflatable sealing ring fills the irregular gap between the arch-shaped fixed framework and the primary support of the tunnel, the polluted air in the blasting construction area is purified, and workers continue to construct in the working area while purifying.
To sum up, this device utilizes portable isolation air intake system to keep apart blasting construction area and operation area, make the dust after the blasting keep apart at blasting construction area like this, prevent to cause the pollution to other operation areas, the influence of blasting operation to the interior air quality of tunnel is reduced to the at utmost, improve the construction progress in mine method tunnel, construction efficiency is improved, simultaneously, because the dust after the blasting is kept apart in blasting construction area, thereby conveniently concentrate through air purification device and purify the air in this area, the dust because blasting construction brought, the diffusion of granule and harmful gas has been greatly reduced, the efficiency of purification is improved.
Drawings
Fig. 1 is a layout diagram of the structure of the present invention in a tunnel.
FIG. 2 is a schematic structural diagram of a mobile isolated air induction system of the present invention.
Fig. 3 is a schematic structural view of the arch-shaped fixing skeleton of the invention.
FIG. 4 is a schematic view of the cyclone of the present invention.
Fig. 5 is a layout view of an electrostatic adsorption purifier, a carbon adsorption purifier and a chemical catalytic purifier according to the present invention.
In the figure, 1, a movable isolation air inlet system; 11. an arch-shaped fixed framework; 12. an inflatable sealing ring; 13. an air duct; 14. an air inlet hole; 15. an arc-shaped wind screen; 16. a rectangular wind-shield curtain; 2. isolating the air curtain; 3. an air purification device; 31. a cyclone dust collector; 311. a dust removal cavity; 312. spraying water to form a spray head; 313. a dust box; 32. an electrostatic adsorption purifier; 33. a carbon adsorption purifier; 34. a chemical catalytic purifier; 4. a working area; 5. and blasting the construction area.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 5, the invention provides a movable isolated air purification system for a mine-method tunnel, which comprises a movable isolated air inlet system 1, an isolated air curtain 2 and an air purification device 3, wherein the movable isolated air inlet system 1 is installed on an excavation bench or a waterproof board laying bench or a tunnel vault laying track is arranged to realize movement, the isolation device adopts a vertically lifting or horizontally opening and closing air blocking curtain or an air curtain device, the isolated air curtain 2 is installed at the tunnel vault or/and two sides of the tunnel, the working area 4 is formed between the isolation device and the movable isolated air inlet system 1, a blasting construction area 5 is formed between the movable isolated air inlet system 1 and the tunnel face, the movable isolated air inlet system 1 comprises an arch-shaped fixed framework 11 matched with the inner diameter of the tunnel, one side of the arch-shaped fixed framework 11 facing the inner wall of the tunnel is provided with an inflatable sealing ring 12, be equipped with wind channel 13 in the arch fixed frame 11, arch fixed frame 11 is equipped with a plurality of fresh air inlets 14 with wind channel 13 intercommunication towards blasting construction region 5 one side, the bottom of the fixed frame 11 of arch is equipped with the exhaust vent with wind channel 13 intercommunication towards the operation district, air purification device 3's air inlet pass through the pipeline with the exhaust vent intercommunication, air purification device 3 includes cyclone 31, electrostatic adsorption clarifier 32, carbon adsorption clarifier 33 and chemical catalytic converter 34, cyclone 31's air outlet loops through electrostatic adsorption clarifier 32, carbon adsorption clarifier 33 and chemical catalytic converter 34 and is connected with the air exit.
An openable isolation curtain is fixed in the arched fixed framework 11 and comprises an arc-shaped wind-shield curtain 15 and a rectangular wind-shield curtain 16, one side of the arc-shaped wind-shield curtain 15 is an arc side matched with the radian of the arched fixed framework 11, the other side of the arc-shaped wind-shield curtain is a straight line side connected with the rectangular wind-shield curtain 16, the inner side of the arched fixed framework 11 is fixed with the arc-shaped side of the arc-shaped wind-shield curtain 15 at the top and the two sides respectively, so that three straight line sides of the arc-shaped wind-shield curtains 15 are enclosed to form an opening matched with the size of the rectangular wind-shield curtain 16, the rectangular wind-shield curtain 16 is arranged at the position of the opening, the top of the rectangular wind-shield curtain 16 is fixed with the arc-shaped wind-shield curtain 15 at the top of the arched fixed framework 11, and the two sides of the rectangular wind-shield curtain 16 are detachably connected with the arc-shield curtains 15 at the two sides. Because the rectangular wind-shield curtain 16 is positioned in the middle of the three arc wind-shield curtains 15, the opening of the rectangular wind-shield curtain 16 can be realized, and the two sides of the rectangular wind-shield curtain 16 are connected with the arc wind-shield curtains 15 on the two sides by adopting magnetic-absorbing strips. Thereby improving the sealing performance between the rectangular wind screen 16 and the arc wind screens 15 at the two sides when the rectangular wind screen 16 is put down.
In this embodiment, the cyclone 31 includes the dust removal chamber 311 of back taper, be equipped with a plurality of water spray fog heads 312 in the conical dust removal chamber 311, the dust box 313 who communicates with the dust removal chamber 311 is installed to the bottom in dust removal chamber 311, dust box 313 is removable dust box 313 that washes, strengthens the dust removal effect to the large granule dust through the water spray fog head 312 that sets up in dust removal chamber 311, is equipped with the mud adsorption material in the dust box 313, improves the adsorption effect of large granule dust.
In this embodiment, the arch fixing frame 11 can be made of light and high-strength materials, the section of the arch fixing frame 11 is a circular section or a quadrilateral section, an air duct 13 is arranged inside the arch fixing frame 11, and the air duct 13 is an air pipe with a smooth inner wall and easy cleaning. The air duct 13 is used for collecting polluted air; when a track is laid on the vault of the tunnel, the track is a single track or double tracks, a remote or automatically controlled walking trolley is arranged on the track, and a movable isolation air inlet system is hung on the walking trolley; the inflatable sealing ring 12 is provided with an inflation inlet, the inflatable sealing ring 12 is inflated through the inflation inlet, and the inflatable sealing ring 12 can fill irregular gaps between the arch-shaped fixed framework 11 and the tunnel primary support after being expanded, so that the isolation and sealing effects are achieved.
In the specific implementation:
when the air needs to be isolated for air purification after blasting, the rectangular wind screen 16 is put down to isolate and purify the air in the operation area. After the air purification is finished, the rectangular wind screen 16 is rolled up, so that communication between personnel and vehicles in an operation area is facilitated, and the rectangular wind screen 16 can be put down and rolled up in an electric rolling mode;
before the blasting, utilize portable isolation air intake system 1 to keep apart blasting construction region 5 and operation district, make the dust after the blasting keep apart at blasting construction region 5 like this, prevent to cause the pollution to other operation districts, the influence of furthest reduction blasting operation to air quality in the tunnel, improve the construction progress in mine method tunnel, the efficiency of construction has been improved, and simultaneously, because the dust after the blasting is kept apart at blasting construction region 5, thereby conveniently purify the air in this region through air purification device 3 is concentrated, the dust because blasting construction brought has significantly reduced, the diffusion of granule and harmful gas, the efficiency of purification has been improved.
Example 2:
the invention also comprises a movable isolated air purification method for the mine method tunnel, which comprises the following steps that when the tunnel face of the tunnel is blasted, the movable isolated air inlet system is moved to the safe position nearest to the tunnel face, the isolating curtain is opened, then the tunnel face is blasted, after the blasting is finished, the isolating curtain is closed, the air purification system is opened, meanwhile, the movable isolated air inlet system is moved to the set position, the inflatable sealing ring 12 is inflated through the inflation inlet, so that the inflatable sealing ring 12 fills the irregular gap between the arch-shaped fixed framework 11 and the primary support of the tunnel, the polluted air in the blasting construction area 5 is purified, and workers continue to construct in the working area 4 while purifying.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a portable isolated air purification system in mine method tunnel which characterized in that: the tunnel air-conditioning system comprises a movable isolation air inlet system (1) and an air purification device (3), wherein the movable isolation air inlet system (1) moves in a tunnel through a walking system, the movable isolation air inlet system (1) divides the interior of the tunnel into a blasting construction area (5) and an operation area, the movable isolation air inlet system (1) comprises an arch-shaped fixed framework (11) matched with the inner diameter of the tunnel, an inflatable sealing ring (12) is arranged on one side, facing the inner wall of the tunnel, of the arch-shaped fixed framework (11), an air duct (13) is arranged in the arch-shaped fixed framework (11), a plurality of air inlet holes (14) communicated with the air duct (13) are formed in one side, facing the blasting construction area (5), of the arch-shaped fixed framework (11), an air outlet hole communicated with the air duct (13) is formed in the bottom of the arch-shaped fixed framework (11) facing the operation area, and an air inlet of the air purification device (3) is communicated with the air outlet hole through a pipeline, an openable isolation curtain is fixed in the arched fixed framework (11).
2. The mobile isolated air purification system for mine-method tunnels as claimed in claim 1, wherein: keep apart the curtain and include arc windshield curtain (15) and rectangle windshield curtain (16), one side of arc windshield curtain (15) is for the radian assorted arc side with the fixed skeleton of arch (11), and the opposite side is the straight line side of being connected with rectangle windshield curtain (16), the inboard of the fixed skeleton of arch (11), fixed with the arc side of arc windshield curtain (15) respectively in top and both sides for three the straight line side wall of arc windshield curtain (15) closes to form the opening with rectangle windshield curtain (16) size assorted, rectangle windshield curtain (16) set up opening position to rectangle windshield curtain (16) top is fixed with arc windshield curtain (15) at the fixed skeleton of arch (11) top, the both sides and both sides arc windshield curtain (15) of rectangle windshield curtain (16) are for dismantling to be connected.
3. The mine method tunnel movable isolated air purification system of claim 2, wherein: the two sides of the rectangular wind-shield curtain (16) are connected with the arc wind-shield curtains (15) at the two sides by magnetic-absorbing strips.
4. The mine method tunnel movable isolated air purification system of claim 1, wherein: the air purification device (3) comprises a cyclone dust collector (31).
5. The mine method tunnel movable isolated air purification system of claim 4, wherein: cyclone (31) are including the dust removal chamber (311) of back taper, be equipped with a plurality of water spray fog heads (312) in conical dust removal chamber (311), dust box (313) with dust removal chamber (311) intercommunication are installed to the bottom in dust removal chamber (311).
6. The mobile isolated air purification system for mine-method tunnels as claimed in claim 4, wherein: air purification device (3) still includes electrostatic adsorption clarifier (32), carbon adsorption clarifier (33) and chemical catalytic converter (34), the air outlet of cyclone (31) loops through electrostatic adsorption clarifier (32), carbon adsorption clarifier (33) and chemical catalytic converter (34) and is connected with the air exit.
7. The mine method tunnel movable isolated air purification system of claim 1, wherein: the walking system is a track laid on an excavation rack or a waterproof board laying rack or a tunnel vault, and the movable isolation air inlet system (1) is installed on the excavation rack or the waterproof board laying rack or the tunnel vault laying track to realize movement.
8. The mine method tunnel movable isolated air purification system of any one of claims 1 to 7, wherein: and an isolation device is further arranged in the tunnel, and the working area (4) is formed between the isolation device and the movable isolation air inlet system (1).
9. The mobile isolated air purification system for mine-method tunnels as claimed in claim 8, wherein: the isolation device adopts a vertically lifting or horizontally opening and closing wind screen or an air curtain device, and the isolation wind screens (2) are arranged at the vault of the tunnel or/and at the two sides of the tunnel.
10. A movable isolated air purification method for a mine-method tunnel, which utilizes the movable isolated air purification system of any one of claims 1 to 9, characterized in that: when blasting is carried out on the tunnel face, the movable isolation air inlet system is moved to a safe position closest to the tunnel face, the isolation curtain is opened, then the tunnel face is blasted, after blasting is finished, the isolation curtain is closed, the air purification system is opened, meanwhile, the movable isolation air inlet system is moved to a set position, the inflatable sealing ring (12) is inflated through the inflation inlet, so that the inflatable sealing ring (12) fills an irregular gap between the arched fixed framework (11) and the tunnel primary support, polluted air in the blasting construction area (5) is purified, and workers continue construction in the working area (4) while purification is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210440423.XA CN114753880A (en) | 2022-04-25 | 2022-04-25 | Movable isolated air purification system and method for mine-method tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210440423.XA CN114753880A (en) | 2022-04-25 | 2022-04-25 | Movable isolated air purification system and method for mine-method tunnel |
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| CN114753880A true CN114753880A (en) | 2022-07-15 |
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| CN202210440423.XA Pending CN114753880A (en) | 2022-04-25 | 2022-04-25 | Movable isolated air purification system and method for mine-method tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024005652A1 (en) * | 2022-06-30 | 2024-01-04 | Lars Hov | Method for building tunnels, isolation plugs for use with the method, and use of the isolation plugs |
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2022
- 2022-04-25 CN CN202210440423.XA patent/CN114753880A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024005652A1 (en) * | 2022-06-30 | 2024-01-04 | Lars Hov | Method for building tunnels, isolation plugs for use with the method, and use of the isolation plugs |
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