CN110159334A - Tunnel front waste air recycling device - Google Patents
Tunnel front waste air recycling device Download PDFInfo
- Publication number
- CN110159334A CN110159334A CN201910521145.9A CN201910521145A CN110159334A CN 110159334 A CN110159334 A CN 110159334A CN 201910521145 A CN201910521145 A CN 201910521145A CN 110159334 A CN110159334 A CN 110159334A
- Authority
- CN
- China
- Prior art keywords
- pipe
- waste air
- recycling device
- tunnel front
- hermetically sealed
- 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.)
- Granted
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims description 49
- 238000000429 assembly Methods 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 25
- 241000220317 Rosa Species 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 239000007789 gas Substances 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
Abstract
The invention discloses a kind of tunnel front waste air recycling devices, it including clarifier box, is respectively communicated in the blast pipe and air-exhausting duct of the clarifier box two sides and the dedusting humidification mechanism that is arranged in inside the clarifier box and oxygen supply mechanism, and the dedusting humidification mechanism is connected with the oxygen supply mechanism；The device both forms ventilation circulation system, realizes that the secondary cycle of waste air utilizes, and form water circulation system, plays humidification for air in device, increases gas humidity and oxygen concentration, energy-saving and emission-reduction are environmentally protective.
Description
Technical field
The present invention relates to construction ventilation of tunnel equipment technical fields, and in particular to a kind of tunnel front waste air recycles
Device.
Background technique
Tunnel excavation is carried out frequently with the method for drillhole blasting, this will generate a large amount of dust.The dust of high concentration is not
The health of staff is only influenced, but also subsequent construction operation can be had adverse effect on.Currently, tunnel ventilation mostly uses
Forced draft type takes the dust that face and barrel generate out of tunnel.But will inevitably it make in this way
Nearby dust diffuses at hole, pollutes surrounding enviroment, and especially when tunnel is in residential neighborhood, the dust for generation of constructing is easy to cause
The contradiction of resident and unit in charge of construction, influence construction speed.
Summary of the invention
The purpose of the present invention is to provide a kind of tunnel front waste air recycling devices, to solve existing tunnel ventilation
The big problem of effect on environment.
The technical scheme to solve the above technical problems is that tunnel front waste air recycling device, including
Clarifier box is respectively communicated in the blast pipe and air-exhausting duct of the clarifier box two sides and setting inside the clarifier box
Dedusting humidification mechanism and oxygen supply mechanism, and the dedusting humidification mechanism is connected with the oxygen supply mechanism；
The dedusting humidification mechanism includes the dust removal assembly connecting with the blast pipe, is connected to the dust removal assembly upper end
Humidification component and be connected to the filter assemblies of the dust removal assembly lower end, and the filter assemblies by reflux assembly with plus
Wet component is connected；
The oxygen supply mechanism includes having the hermetically sealed can of oxygen feeder and the stirring group in the hermetically sealed can that is cooperatively connected
Part, the air-exhausting duct are connect with the hermetically sealed can.
Further, the dust removal assembly includes dust removing tube and the dedusting filter plate in the dust removing tube, the dedusting
The both ends of pipe are connected to the blast pipe and hermetically sealed can respectively.
Further, the dust removing tube includes multiple sequentially connected first curved pipes and the second curved pipe, and described first is bent
The bottom end of type pipe is connect with the filter assemblies, and the top of the second curved pipe is connect with the humidification component.
Further, anchor ear, and the anchor ear both ends are provided at the described first curved pipe and the second curved pipe link position
It is provided with fixing piece.
Further, the humidification component includes the sparge pipe being connected to the reflux assembly and is distributed in the sparge pipe
On spray head, and the spray head runs through the top of the described second curved pipe, the top of the spray head and the described second curved pipe it
Between be provided with seal washer.
Further, the reflux assembly includes the return pipe connecting with the filter assemblies and is connected on return pipe
Suction pump, end of the return pipe far from the filter assemblies are connected to the sparge pipe.
Further, the filter assemblies include Rose Box, the header tank for being connected to Rose Box bottom end and are successively set on
Gravel layer, active carbon layer and filtering film layer in the Rose Box, between the Rose Box and the first curved tube bottom end
Drainpipe and the drain valve being connected at drainpipe and the first curved pipe connecting position, the return pipe and the header tank phase
Connection.
Further, the mixing component includes the driving motor being arranged on hermetically sealed can, to be connected to the driving motor defeated
Outlet and the agitating shaft being located in the hermetically sealed can and the stirring blade being connected on the agitating shaft.
Further, be provided in the clarifier box lateral partitions and with the lateral partitions intersect vertically it is vertical every
Plate, by the lateral partitions and the vertical baffle by the clarifier box be divided into sequentially connected spray chamber, purify cavity,
Filter chamber and oxygen mixing chamber, the humidification component are located in the spray chamber, and the dust removal assembly is located in the purify cavity, institute
Filter assemblies are stated to be located in the filter chamber；The oxygen supply mechanism is located in the oxygen mixing chamber body.
Further, it is provided with catalyst container between the dust removing tube and the hermetically sealed can, is filled with catalysis in the catalyst container
Agent.
The invention has the following advantages: a kind of tunnel front waste air recycling device provided by the present invention,
Ventilation circulation system is formed by blast pipe, dust removal assembly, oxygen supply component and air-exhausting duct, realizes that the secondary cycle of waste air utilizes,
Wherein, the impurity in waste air is purged by dust removal assembly, it is mixed to carry out oxygen to the gas after removal of impurities by oxygen supply component
It closes, increases the oxygen concentration in air, guaranteeing to flow back into has sufficient oxygen in tunnel, improve working face air quality, section
It can environmental protection；Water circulation system is formed by humidification component, filter assemblies and reflux assembly, wherein by the spray for humidifying component
Leaching not only realized in dust removal assembly in waste air molecule impurity depositing dust, but also the gas that is plays humidification, increases gas
Body humidity carries out impurity elimination processing to impure water body by filter assemblies, removes the solid for flowing back into water body in humidification component
Granule foreign.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is dedusting humidification mechanism and oxygen supply mechanism structural schematic diagram in the present invention；
Fig. 3 is dust removing tube structural schematic diagram in the present invention；
Fig. 4 is the first curved pipe and the second curved pipe connection schematic diagram in the present invention；
Fig. 5 is clarifier box structural schematic diagram in the present invention；
Appended drawing reference shown in Fig. 1 to Fig. 5 respectively indicates are as follows: 1- clarifier box, 2- blast pipe, 3- air-exhausting duct, 5- oxygen supply
Mechanism, 40- dust removal assembly, 41- humidify component, 42- filter assemblies, 43- reflux assembly, 50- oxygen feeder, 51- hermetically sealed can, 52-
Mixing component, 401- dust removing tube, 402- dedusting filter plate, the curved pipe of 403- first, the curved pipe of 404- second, 405- anchor ear, 406-
Fixing piece, 410- sparge pipe, 411- spray head, 430- return pipe, 431- suction pump, 420- Rose Box, 421- header tank, 422- gravel
Rock layers, 423- active carbon layer, 424- filtering film layer, 425- drainpipe, 426- drain valve, 520- driving motor, 521- agitating shaft,
522- stirring blade.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1 to Figure 2, tunnel front waste air recycling device, including clarifier box 1, be respectively communicated with net
The blast pipe 2 and air-exhausting duct 3 of change 1 two sides of cabinet and the dedusting humidification mechanism and oxygen supply that are arranged in inside the clarifier box 1
Mechanism 5, and dedusting humidification mechanism is connected with oxygen supply mechanism 5.Clarifier box 1 is sealing structure, and guarantee enters clarifier box 1
Interior confined gas places gas leakage.Gas is pressed into blast pipe 2 under the action of blower in tunnel, passes through blast pipe 2
It is delivered to dedusting humidification mechanism, is dusted in dedusting humidification mechanism and humidification process, treated, and cavity enters aerator
In structure 5, wherein oxygen is mixed with air by being delivered in oxygen supply mechanism 5 by oxygen supply equipment (such as oxygen cylinder) so that air
It is drained back in tunnel with certain oxygen concentration, then by air-exhausting duct 3, forms complete decontamination cycle system, realized in tunnel
The secondary cycle of waste air utilizes, and improves the air quality of tunnel front, energy conservation and environmental protection.
Dedusting humidification mechanism includes the dust removal assembly 40 connecting with blast pipe 2, the humidification for being connected to 40 upper end of dust removal assembly
Component 41 and the filter assemblies 42 for being connected to 40 lower end of dust removal assembly, and filter assemblies 42 pass through reflux assembly 43 and humidification group
Part 41 is connected；Wherein, dust removal assembly 40 includes dust removing tube 401 and the dedusting filter plate 402 in dust removing tube 401, dedusting
The both ends of pipe 401 are connected to blast pipe 2 and hermetically sealed can 51 respectively.Waste air enters dust removing tube 401, removing in dust removing tube 401
The solid particle mixed in waste air is subjected to blocking filtering under the effect of dirt filter plate 402, and passes through the sparge pipe 410 of humidification component 41
And it is distributed in the spray head 411 on the sparge pipe 410, water mist is sprayed into dust removing tube 401, so that solid particle is sunk
Drop, and is flowed into filter assemblies 42 by the bottom end of dust removing tube 401, has not only been realized the filtering depositing dust to waste air but also has been realized pair
The water mist dust fall of waste air, and the water mist sprayed by spray head 411 play humidification to waste air, and guarantee enters oxygen supply mechanism 5
Interior air has certain humidity.The water body in filter assemblies 42 is flowed under the filtration of filter assemblies 42, by water
The solid impurity mixed in vivo is filtered, and then is humidified examination for sparge pipe 410 again by reflux assembly 43 and used, and water is formed
Body circulation purification uses system, energy conservation and environmental protection, and avoids blocking of the impurity in water to sparge pipe 410 and spray head 411, extends
The service life of spray head 411, wherein spray head 411 uses spiral nozzle, which is a kind of solid cone shaped or conical hollow
Spray nozzle has smooth runner that can farthest reduce liquid lock, reaches liquid on the pipeline of intended size
To maximum stream flow, spraying effect is improved.Reflux assembly 43 includes return pipe 430 and the suction pump being connected on return pipe 430
431, under the driving effect of suction pump 431, driving suction pump 431 drives the filtered water body of filter assemblies 42 to extract to water spray
In pipe 410, use is reliable and stable.
Oxygen supply mechanism 5 includes having the hermetically sealed can 51 of oxygen feeder 50 and the mixing component in hermetically sealed can 51 that is cooperatively connected
52, air-exhausting duct 3 is connect with hermetically sealed can 51.Hermetically sealed can 51 is closed container, will be entered in hermetically sealed can 51 by mixing component 52
Purification after air and oxygen mixed, improve mixed effect.Wherein, mixing component 52 includes being arranged on hermetically sealed can 51
Driving motor 520, be connected to 520 output end of driving motor and be located at hermetically sealed can 51 in agitating shaft 521 and be connected to stirring
Stirring blade 522 on axis 521.The stirring blade 522 includes the stirring rod being connected on agitating shaft 521, is connected to described stir
The cross blade mixing the vertical blade on bar and being connect with the vertical blade.Driving motor 520 drives shaft rotation, in turn
Stirring blade 522 is driven to stir in hermetically sealed can 51, so that air and oxygen are sufficiently mixed in hermetically sealed can 51.
In order to improve dust removing effects, as shown in figure 3, dust removing tube 401 includes multiple sequentially connected first bent in the present invention
Type pipe 403 and the second curved pipe 404, the bottom end of the first curved pipe 403 are connect with filter assemblies 42, the top of the second curved pipe 404
End is connect with humidification component 41.First curved pipe 403 and the second curved pipe 404 are U-shaped structure, multiple first curved pipes 403
The S-shaped structure of entirety after connecting with the second curved pipe 404 helps to extend action time of the waste air in dust removing tube 401, into
And improve dust removing effects.As described in Figure 4, pass through anchor ear 405 and connection between the first curved pipe 403 and the second curved pipe 404
Fixing piece 406 at 405 both ends of anchor ear is attached fixation, and wherein anchor ear is arranged in the first curved pipe 403 and the second curved pipe
On the outer wall of 404 junctions, fixing piece 406 uses bolt.Dedusting filter plate is arranged in the first curved pipe 403 and the second curved pipe
At the inner wall of 404 junctions, when anchor ear disassembly, dedusting filter plate can be cleaned, it is convenient and reliable, it is safe and efficient.First
Curved pipe 403 and the second curved pipe 404 are the u-tube structure that vertex is oppositely arranged, i.e., the vertex of the first curved pipe 403 downward,
Second curved pipe 404 be vertex vertex upward, spray head 411 through the second curved pipe 404 top and spray head 411 with second song
It is provided with seal washer between the top of type pipe 404, guarantees sealing performance between the two, it will by the water mist that spray head 411 sprays
Solid particle in waste air is settled, and is settled down on the inner wall of dedusting filter plate 402 and curved pipe, and then it is curved to flow into first
The discharge of sewage is realized in pipe 403.
For the ease of the filtering to sewage in dust removing tube 401, in the present invention, filter assemblies 42 include Rose Box 420, connection
Header tank 421 in 420 bottom end of Rose Box and the gravel layer 422, the active carbon layer that are successively set in the Rose Box 420
423 and filtering film layer 424, drainpipe 425 between Rose Box 420 and the first curved 403 bottom end of pipe and it is connected to drainpipe
425 and the first drain valve 426 at curved 403 connecting position of pipe, return pipe 430 be connected with the header tank 421.Hydrophobic
When valve 426 is opened, connected state is handled between the first curved pipe 403 and drainpipe 425, when drain valve 426 is closed, first is bent
It is handled between type pipe 403 and drainpipe 425 disconnected every state.When in use, periodically drain valve 426 is opened, so that sewage flows into
It is filtered in Rose Box 420, successively by gravel layer 422, active carbon layer 423 and the filtering film layer 424 in Rose Box 420
Coarse filtration, absorption and essence filtering are carried out to sewage, guarantees without solid impurity in filtered water body, adds to guarantee to be delivered to
The water body of wet component 41 will not block sparge pipe 410, improve service performance.
As shown in figure 5, be provided in clarifier box 1 lateral partitions 10 and with lateral partitions 10 intersect vertically it is vertical every
Clarifier box 1 is divided into sequentially connected spray by the lateral partitions 10 and vertical baffle 11 by 11 vertical baffle 11 of plate
Chamber 12, purify cavity 13, filter chamber 14 and oxygen mixing chamber 15, the humidification component 41 are located in spray chamber 12, and dust removal assembly 40
In in purify cavity 13, filter assemblies 42 are located in filter chamber 14；Oxygen supply mechanism 5 is located in oxygen mixing chamber body 16.
For the ease of handling toxic gases such as the CO mixed in waste air, the present invention in, the dust removing tube 401 with it is close
It is provided with catalyst container 60 between sealed cans 51, is filled with catalyst in catalyst container 60.The catalyst can be used CuO catalyst or
CuO catalyst.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. tunnel front waste air recycling device, which is characterized in that including clarifier box (1), be respectively communicated with described net
Change the dedusting humidifier of the blast pipe (2) and air-exhausting duct (3) and setting of cabinet (1) two sides inside the clarifier box (1)
Structure and oxygen supply mechanism (5), and the dedusting humidification mechanism is connected with the oxygen supply mechanism (5)；
The dedusting humidification mechanism includes the dust removal assembly (40) connecting with the blast pipe (2), is connected to the dust removal assembly
(40) the humidification component (41) of upper end and the filter assemblies (42) of the dust removal assembly (40) lower end are connected to, and the filtering
Component (42) is connected by reflux assembly (43) with humidification component (41)；
Oxygen supply mechanism (5) includes having the hermetically sealed can (51) of oxygen feeder (50) and being cooperatively connected in the hermetically sealed can (51)
Interior mixing component (52), the air-exhausting duct (3) connect with the hermetically sealed can (51).
2. waste air recycling device in tunnel front according to claim 1, which is characterized in that the dust removal assembly
(40) the dedusting filter plate (402) for including dust removing tube (401) and being located in the dust removing tube (401), the dust removing tube (401)
Both ends are connected to the blast pipe (2) and hermetically sealed can (51) respectively.
3. waste air recycling device in tunnel front according to claim 2, which is characterized in that the dust removing tube
It (401) include multiple sequentially connected first curved pipes (403) and the second curved pipe (404), the first curved pipe (403)
Bottom end is connect with the filter assemblies (42), and the top of the second curved pipe (404) is connect with the humidification component (41).
4. waste air recycling device in tunnel front according to claim 3, which is characterized in that the first curved pipe
(403) and at the second curved pipe (404) link position it is provided with anchor ear (405), and the anchor ear (405) both ends are provided with fixation
Part (406).
5. waste air recycling device in tunnel front according to claim 4, which is characterized in that the humidification component
It (41) include the sparge pipe (410) being connected to the reflux assembly (43) and the spray head being distributed on the sparge pipe (410)
(411), and the spray head (411) is through the top of the described second curved pipe (404), the spray head (411) and second song
Seal washer is provided between the top of type pipe (404).
6. waste air recycling device in tunnel front according to claim 5, which is characterized in that the reflux assembly
It (43) include the return pipe (430) being connect with the filter assemblies (42) and the suction pump being connected on return pipe (430)
(431), the return pipe (430) is connected to far from the end of the filter assemblies (42) with the sparge pipe (410).
7. waste air recycling device in tunnel front according to claim 5, which is characterized in that the filter assemblies
(42) include Rose Box (420), be connected to the header tank (421) of Rose Box (420) bottom end and be successively set on the filtering
Gravel layer (422), active carbon layer (423) and filtering film layer (424) in case (420), the Rose Box (420) and described first
Drainpipe (425) between curved pipe (403) bottom end and it is connected to drainpipe (425) and the first curved pipe (403) connects position
The drain valve (426) at place is set, the return pipe (430) is connected with the header tank (421).
8. waste air recycling device in tunnel front according to any one of claims 1 to 7, which is characterized in that described
Mixing component (52) includes the driving motor (520) being arranged on hermetically sealed can (51), is connected to the driving motor (520) output
End and the agitating shaft (521) being located in the hermetically sealed can (51) and the stirring blade being connected on the agitating shaft (521)
(522)。
9. waste air recycling device in tunnel front according to claim 8, which is characterized in that the clarifier box
(1) vertical baffle (11) for being provided with lateral partitions (10) in and intersecting vertically with the lateral partitions (10), by described
The clarifier box (1) is divided into sequentially connected spray chamber (12), net by lateral partitions (10) and the vertical baffle (11)
Change chamber (13), filter chamber (14) and oxygen mixing chamber (15), the humidification component (41) is located in the spray chamber (12), described to remove
Dirt component (40) is located in the purify cavity (13), and the filter assemblies (42) are located in the filter chamber (14)；The oxygen supply
Mechanism (5) is located in the oxygen mixing chamber body (16).
10. waste air recycling device in tunnel front according to claim 9, which is characterized in that the dust removing tube
(401) it is provided between the hermetically sealed can (51) catalyst container (60), catalyst is filled in the catalyst container (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521145.9A CN110159334B (en) | 2019-06-17 | 2019-06-17 | Tunnel working face dirty wind cyclic utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521145.9A CN110159334B (en) | 2019-06-17 | 2019-06-17 | Tunnel working face dirty wind cyclic utilization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159334A true CN110159334A (en) | 2019-08-23 |
| CN110159334B CN110159334B (en) | 2024-03-22 |
Family
ID=67625875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910521145.9A Active CN110159334B (en) | 2019-06-17 | 2019-06-17 | Tunnel working face dirty wind cyclic utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159334B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696220A (en) * | 2020-12-25 | 2021-04-23 | 东莞市鹏驰净化科技有限公司 | Explosion-proof safe type air circulation system suitable for traffic tunnel |
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