CN107387145A - A kind of major long tunnel ventilating system of long range air-supply - Google Patents
A kind of major long tunnel ventilating system of long range air-supply Download PDFInfo
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- CN107387145A CN107387145A CN201710662759.XA CN201710662759A CN107387145A CN 107387145 A CN107387145 A CN 107387145A CN 201710662759 A CN201710662759 A CN 201710662759A CN 107387145 A CN107387145 A CN 107387145A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009423 ventilation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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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 kind of major long tunnel ventilating system of long range air-supply, its primary structure are that close three transverse passage-ways nearest from face are followed successively by face transverse passage-way, first, second storage wind transverse passage-way；The port of first, second storage wind transverse passage-way is sealed with steel plate, and the air-out interface of first, second storage wind transverse passage-way is arranged with transverse passage-way axial flow blower；The well head of inclined shaft is disposed with axial flow blower one and axial flow blower two；Axial flow blower one, two is connected by blast pipe one, two with the air intake interface of first, second storage wind transverse passage-way respectively；The top of discharge pipe one is connected with the transverse passage-way axial flow blower of the first storage wind transverse passage-way, and discharge pipe terminates at the face in the first tunnel once the second tunnel, face transverse passage-way；The top of discharge pipe two with second storage wind transverse passage-way transverse passage-way axial flow blower be connected, and discharge pipe two along the second tunnel forward terminal in the face in the second tunnel.The system operation expense is low, and drafting efficiency is high, can more preferably ensure the construction speed and safety in tunnel.
Description
Technical field
The present invention relates to the major long tunnel ventilating system and its method of construction of a kind of long range air-supply.
Background technology
In the constructing tunnels such as railway, highway, water conservancy, water power, industrial and mineral, defence engineering and city underground engineering, ventilation is
Indispensable sport technique segment.In the case of do mechanization operation, divulge information and supply fresh air for in-cavity construction place, exclude dust
And various toxic and harmful gas, good work situation is created, ensures the health and safety of workmen；Meanwhile ventilation is also
Maintain the necessary condition of the electromechanical equipment normal operation in tunnel.For various tunnels, divulge information usually to whole
The arrangement and method for construction and Design of Construction Organization of engineering serve very important even conclusive.
During the most of new railway lines in China are built, to from the duration control action be major long tunnel construction speed.In order to
Shorten the duration, tissue bull driving is customary practice.As for bull driving is organized on more on a large scale, skill of divulging information is often depending on
Can art be that solely head speedy drivage creates conditions over long distances.Current domestic newly built railway tunnel ventilation generally existing working face is effective
The problem of wind supply quantity deficiency, railway tunnel of growing up build the accelerating construction progress more in a manner of increasing flexible transport inclined shaft.But nothing
Rail transport inclined shaft is seriously polluted, and the face-airing that two working face above main tunnel constructions are undertaken especially for single inclined shaft will
It is very difficult, because only head Excavation Length is grown, all very high is required to dust diameter, blower fan, drafting efficiency is difficult to ensure that, is constructed
Usually because ventilation difficulty causes operating efficiency to reduce in journey, progress is slow, and security is difficult to be protected.
The usual way for the construction ventilation of the speciality railway twin tunnel Multi-working-surface more than 10km is laneway type at present
Ventilation.Its specific practice is：From tunnel portal certain length tunnel upper excavate and the oblique inclined shaft connected in tunnel, oblique
Well head is sucked fresh wind by axial flow blower, and the face by airduct by fresh air force feed to a tunnel, face
Air again by the air exhauster of the transverse passage-way near face, pump to another tunnel, then arranged on the way through the tunnel
Outside multiple jet blower dispatch to hole.The shortcomings that this draft type, is that：Axial flow blower is pumped into new outside inclined shaft hole
Fresh wind needs the longer distance of process to be conveyed from airduct to tunnel tunnel face, it is necessary to expend more airduct, and longer wind
Pipe air leak rate of air curtain is larger, and drafting efficiency is difficult to ensure that.Further, since slope mouth axial flow blower needs disposable air-supply attached to face
Closely, when air supplying distance is long, blower fan needs long-time high power to operate, and power consumption is big, and blower fan damages larger, operation maintenance expense
With height.
The content of the invention
It is an object of the invention to provide a kind of major long tunnel ventilating system of long range air-supply, using the ventilating system to length
Big tunnel carries out long range air-supply, and operation maintenance expense is low, and drafting efficiency is high, can preferably ensure the construction speed in tunnel and apply
Work safety；And the damage of its blower fan is small, ventilation expense is low.
The technical scheme adopted by the invention for realizing the object of the invention is a kind of major long tunnel ventage of long range air-supply
System, including inclined shaft, the first tunnel connected with inclined shaft, the second tunnel for being connected by multiple transverse passage-ways with the first tunnel；
Multiple jet blowers are arranged between the face in one tunnel and the well head of inclined shaft；It is characterized in that：
The transverse passage-way nearest from face is face transverse passage-way in described multiple transverse passage-ways；From face transverse passage-way most
Near transverse passage-way is the first storage wind transverse passage-way, and the transverse passage-way nearest from the first storage wind transverse passage-way is the second storage wind transverse passage-way；Area
Jet blower is also disposed with the transverse passage-way of face；
The first described storage wind transverse passage-way and the port of the second storage wind transverse passage-way both sides are sealed with steel plate, and store up wind first
Transverse passage-way and second storage wind transverse passage-way the first tunnel side steel plate on be provided with air intake interface, the second tunnel side steel plate on be provided with
Air-out interface；The air-out interface of first storage wind transverse passage-way and the second storage wind transverse passage-way is arranged with transverse passage-way axial flow blower；
The well head of described inclined shaft is disposed with axial flow blower one and axial flow blower two；
Described axial flow blower one is connected by blast pipe one with the air intake interface of the first storage wind transverse passage-way；Discharge pipe one
Top is connected with the transverse passage-way axial flow blower of the first storage wind transverse passage-way, and discharge pipe is whole once the second tunnel, face transverse passage-way
Terminate in the face in the first tunnel；
Described axial flow blower two is connected by blast pipe two with the air intake interface of the second storage wind transverse passage-way；Discharge pipe two
Top with second storage wind transverse passage-way transverse passage-way axial flow blower be connected, and discharge pipe two along the second tunnel forward terminal in the second tunnel
The face in road.
Working process and principle of the invention are：
Fresh wind is pumped into outside slope mouth by axial flow blower one, fresh wind is horizontal by the input of blast pipe one first storage wind
Passage, then flow to through discharge pipe one face in the first tunnel；The air of the face in the first tunnel is by the area in the first tunnel
The multiple jet blowers arranged between face and the well head of inclined shaft blow to inclined shaft successively, and ground is blowed to finally by slope mouth.
Meanwhile axial flow blower two is opened, fresh wind is pumped into outside slope mouth by axial flow blower two, fresh wind is by entering
Wind transverse passage-way is stored up in the input of airduct two second, then the face in the second tunnel is flowed to through discharge pipe two；The face in the second tunnel
Air is blowed to by the jet blower in face transverse passage-way near the face in the first tunnel；Again by the face in the first tunnel with
The multiple jet blowers arranged between the well head of inclined shaft blow to inclined shaft successively, and ground is blowed to finally by slope mouth.
When system works, the transverse passage-way axial flow blower of first, second storage wind transverse passage-way can also be opened simultaneously；By axle stream
The transverse passage-way axial flow blower that blower fan one and first stores up wind transverse passage-way forms two sections of relay-type exhausting；Axial flow blower two and second stores up wind
The transverse passage-way axial flow blower of transverse passage-way also forms two sections of relay-type exhausting.This two sections of relay-type exhausting, increase exhausting power,
Improve drafting efficiency and ventilation speed.
When system works, the transverse passage-way axle stream wind that axial flow blower one and first stores up wind transverse passage-way can also be opened in turn
Machine；The transverse passage-way axial flow blower that axial flow blower two and second stores up wind transverse passage-way is opened in turn.Form former and later two axial fan wheels
Flow the alternating exhausting mode of work.This alternately exhausting mode can reduce the high power CW time of axial flow blower, reduction pair
The infringement of axial flow blower.
Obviously, system of the invention is a dynamic system, and with the propulsion of tunnel excavation, face can nearby excavate
Go out new transverse passage-way；New transverse passage-way becomes face transverse passage-way, and original face transverse passage-way and the first storage wind are horizontal logical
Road then respectively becomes the first storage wind transverse passage-way and the second storage wind transverse passage-way；The sealing structure of original second storage wind transverse passage-way is then removed
Remove, turn into common transverse passage-way.
Compared with prior art, the beneficial effects of the invention are as follows：
First, the air-supply process of airduct is divided into two sections by the present invention, and leading portion is inclined shaft to transverse passage-way, and back segment is transverse passage-way to the palm
Sub- face, two-part air-supply alleviate the ventilation pressure of disposable one section of air-supply：Can by leading portion blower fan (axial flow blower one,
Two) blower fan (the transverse passage-way axial flow blower of first, second storage wind transverse passage-way) with back segment works simultaneously, carries out two sections of relay-types and send
Wind.Two sections of relay-type air-supplies can lower the live load of single blower fan, and and can improves the exhausting power in whole air channel, improve logical
Wind efficiency and ventilation speed, and then preferably ensure the construction speed and construction safety in tunnel.
2nd, two-part of the invention air-supply, the blower fan of leading portion and the blower fan of back segment can take turns to operate to form alternately exhausting.
Blower fan continuous high load capacity work for a long time is avoided, reduces the damage of blower fan, improves the service life of blower fan, is reduced pair
The maintenance of blower fan and expense, and then ventilation expense is reduced, improve construction speed.
3rd, the transverse passage-way axial flow blower that long range of the invention ventilation is set up is located in the transverse passage-way of large volume, transverse passage-way
The specification of axial flow blower is not limited by dust diameter, large-sized large power shaft flow fan can be used, so as to effectively improve
Drafting efficiency and air quantity.
4th, first, second storage wind transverse passage-way of the invention is sealed to form using existing transverse passage-way during tunnel excavation, no
It is the structure individually built, is also not take up main tunnel space；It had both been built quickly, nor affect on the construction of tunnel in itself.
Further, the tool that the port of the first storage wind transverse passage-way of the invention and the second storage wind transverse passage-way both sides is sealed with steel plate
Body structure is：
The first described storage wind transverse passage-way and the inwall of the second storage wind transverse passage-way and the port arrangements I-shaped steel skeleton of both sides,
Steel plate is covered on I-shaped steel skeleton, and the junction of steel plate forms the steel plate cylinder of sealing with being welded to connect.
So, the sealing of first, second storage wind transverse passage-way is quick, and cost is low, while removes conveniently.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Embodiment
Fig. 1 shows that one embodiment of the present invention is a kind of major long tunnel ventilating system of long range air-supply, including
Inclined shaft 3, the first tunnel 1 connected with inclined shaft 3, the second tunnel 2 connected by multiple transverse passage-ways with the first tunnel 1；First
Multiple jet blowers 7 are arranged between the face 4 in tunnel 1 and the well head of inclined shaft 3；It is characterized in that：
The transverse passage-way nearest from face 4 is face transverse passage-way 50 in described multiple transverse passage-ways；It is horizontal from face logical
The nearest transverse passage-way in road 4 is the first storage wind transverse passage-way 51, and the transverse passage-way nearest from the first storage wind transverse passage-way 51 is horizontal for the second storage wind
Passage 52；Also jet blower 7 is disposed with face transverse passage-way 50；
The first described storage wind transverse passage-way 51 and the port of the both sides of the second storage wind transverse passage-way 52 are sealed with steel plate, and first
Air intake interface, the steel of the second tunnel side are provided with the steel plate of first tunnel side of the storage wind transverse passage-way 52 of storage wind transverse passage-way 51 and second
Air-out interface is provided with plate；The air-out interface of first storage wind transverse passage-way 51 and the second storage wind transverse passage-way 52 is arranged with transverse passage-way
Axial flow blower 83；
The well head of described inclined shaft 3 is disposed with axial flow blower 1 and axial flow blower 2 82；
Described axial flow blower 1 is connected by the 91a of blast pipe one with the air intake interface of the first storage wind transverse passage-way 51；Go out
The 91b of airduct one top is connected with the transverse passage-way axial flow blower 83 of the first storage wind transverse passage-way 51, and the 91b of discharge pipe one is through the second tunnel
Road 2, face transverse passage-way 50 terminate at the face 4 in the first tunnel 1；
Described axial flow blower 2 82 is connected by the 92a of blast pipe two with the air intake interface of the second storage wind transverse passage-way 52；Go out
The 92b of airduct two top is connected with the transverse passage-way axial flow blower 83 of the second storage wind transverse passage-way 52, and the 92b of discharge pipe two is along the second tunnel
The forward terminal of road 2 is in the face 4 in the second tunnel 2.
The specific knot that the first storage wind transverse passage-way 51 of this example and the port of the both sides of the second storage wind transverse passage-way 52 are sealed with steel plate
Structure is：
The first described storage wind transverse passage-way 51 and the inwall of the second storage wind transverse passage-way 52 and the port arrangements I-steel of both sides
Skeleton, steel plate are covered on I-shaped steel skeleton, and the junction of steel plate forms the steel plate cylinder of sealing with being welded to connect.
Claims (2)
1. a kind of major long tunnel ventilating system of long range air-supply, including inclined shaft (3), the first tunnel for being connected with inclined shaft (3)
(1), the second tunnel (2) connected by multiple transverse passage-ways with the first tunnel (1)；The first tunnel (1) face (4) with tiltedly
Multiple jet blowers (7) are arranged between the well head of well (3)；It is characterized in that：
The transverse passage-way nearest from face (4) is face transverse passage-way (50) in described multiple transverse passage-ways；It is horizontal from face logical
The nearest transverse passage-way in road (4) is the first storage wind transverse passage-way (51), and the transverse passage-way nearest from the first storage wind transverse passage-way (51) is second
Store up wind transverse passage-way (52)；Jet blower (7) is also disposed with face transverse passage-way (50)；
The first described storage wind transverse passage-way (51) and the port of second storage wind transverse passage-way (52) both sides are sealed with steel plate, and first
Air intake interface, the second tunnel side are provided with the steel plate of first tunnel side of storage wind transverse passage-way (51) and the second storage wind transverse passage-way (52)
Steel plate on be provided with air-out interface；The air-out interface of first storage wind transverse passage-way (51) and the second storage wind transverse passage-way (52) is arranged
There is transverse passage-way axial flow blower (83)；
The well head of described inclined shaft (3) is disposed with axial flow blower one (81) and axial flow blower two (82)；
Described axial flow blower one (81) is connected by blast pipe one (91a) with the air intake interface of the first storage wind transverse passage-way (51)；
The top of discharge pipe one (91b) is connected with the transverse passage-way axial flow blower (83) of the first storage wind transverse passage-way (51), and discharge pipe one
(91b) terminates at the face (4) of the first tunnel (1) through the second tunnel (2), face transverse passage-way (50)；
Described axial flow blower two (82) is connected by blast pipe two (92a) with the air intake interface of the second storage wind transverse passage-way (52)；
The top of discharge pipe two (92b) is connected with the transverse passage-way axial flow blower (83) of the second storage wind transverse passage-way (52), and discharge pipe two
(92b) is along the second tunnel (2) forward terminal in the face (4) of the second tunnel (2).
A kind of 2. major long tunnel ventilating system of long range air-supply according to claim 1, it is characterised in that：Described
One storage wind transverse passage-way (51) and the second concrete structure for being sealed with steel plate of port for storing up wind transverse passage-way (52) both sides are：
The first described storage wind transverse passage-way (51) and the inwall of the second storage wind transverse passage-way (52) and the port arrangements I-steel of both sides
Skeleton, steel plate are covered on I-shaped steel skeleton, and the junction of steel plate forms the steel plate cylinder of sealing with being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662759.XA CN107387145B (en) | 2017-08-04 | 2017-08-04 | Long-long tunnel ventilation system with long-distance air supply function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662759.XA CN107387145B (en) | 2017-08-04 | 2017-08-04 | Long-long tunnel ventilation system with long-distance air supply function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387145A true CN107387145A (en) | 2017-11-24 |
| CN107387145B CN107387145B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710662759.XA Active CN107387145B (en) | 2017-08-04 | 2017-08-04 | Long-long tunnel ventilation system with long-distance air supply function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756995A (en) * | 2018-04-19 | 2018-11-06 | 济南城建集团有限公司 | A kind of city tunnel cooling construction method |
| CN109341961A (en) * | 2018-10-26 | 2019-02-15 | 中交第二公路工程局有限公司 | A kind of the air leak rate of air curtain test macro and method of High aititude construction ventilation of tunnel air hose |
| CN109707433A (en) * | 2019-03-04 | 2019-05-03 | 中铁十六局集团有限公司 | A kind of inclined shaft ventilation technics of constructing tunnel |
| CN113898395A (en) * | 2021-11-09 | 2022-01-07 | 中煤第三建设（集团）有限责任公司 | Ventilation method and ventilation system for extra-long inclined shaft of coal mine |
| CN117032330A (en) * | 2023-07-25 | 2023-11-10 | 兰州交通大学 | Method and device for relieving tunnel pressure fluctuation based on predictive model |
| CN117248902A (en) * | 2023-11-17 | 2023-12-19 | 乐山市通达交通勘察设计有限责任公司 | Tunnel harmful gas while-drilling detection advanced detection device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756995A (en) * | 2018-04-19 | 2018-11-06 | 济南城建集团有限公司 | A kind of city tunnel cooling construction method |
| CN109341961A (en) * | 2018-10-26 | 2019-02-15 | 中交第二公路工程局有限公司 | A kind of the air leak rate of air curtain test macro and method of High aititude construction ventilation of tunnel air hose |
| CN109341961B (en) * | 2018-10-26 | 2021-06-18 | 中交第二公路工程局有限公司 | Air leakage rate testing system and method for ventilation air pipe in high-altitude tunnel construction |
| CN109707433A (en) * | 2019-03-04 | 2019-05-03 | 中铁十六局集团有限公司 | A kind of inclined shaft ventilation technics of constructing tunnel |
| CN113898395A (en) * | 2021-11-09 | 2022-01-07 | 中煤第三建设（集团）有限责任公司 | Ventilation method and ventilation system for extra-long inclined shaft of coal mine |
| CN117032330A (en) * | 2023-07-25 | 2023-11-10 | 兰州交通大学 | Method and device for relieving tunnel pressure fluctuation based on predictive model |
| CN117032330B (en) * | 2023-07-25 | 2024-06-04 | 兰州交通大学 | Method and device for relieving tunnel pressure fluctuation based on predictive model |
| CN117248902A (en) * | 2023-11-17 | 2023-12-19 | 乐山市通达交通勘察设计有限责任公司 | Tunnel harmful gas while-drilling detection advanced detection device |
| CN117248902B (en) * | 2023-11-17 | 2024-02-06 | 乐山市通达交通勘察设计有限责任公司 | Tunnel harmful gas while-drilling detection advanced detection device |
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| CN107387145B (en) | 2023-09-15 |
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