CN207297062U - The major long tunnel ventilation unit of air-supply over long distances - Google Patents
The major long tunnel ventilation unit of air-supply over long distances Download PDFInfo
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- CN207297062U CN207297062U CN201720970538.4U CN201720970538U CN207297062U CN 207297062 U CN207297062 U CN 207297062U CN 201720970538 U CN201720970538 U CN 201720970538U CN 207297062 U CN207297062 U CN 207297062U
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Abstract
A kind of major long tunnel ventilation unit 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 outlet air 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 inlet air interface of first, second storage wind transverse passage-way respectively；The beginning 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 beginning 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
It the utility model is related to a kind of the major long tunnel ventilation unit and its method of construction 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 construction personnel；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 construction period, tissue bull driving is customary practice.As for bull driving is organized on more on a large scale, ventilation skill is often depending on
Can art be that solely head speedy drivage creates conditions over long distances.Country's newly built railway tunnel ventilation generally existing working face is effective at present
The problem of volume of air supply is insufficient, railway tunnel of growing up is built to be accelerated construction progress in a manner of increasing flexible transport inclined shaft more.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
Very difficult, all very high to dust diameter, wind turbine requirement since only head Excavation Length is grown, drafting efficiency is difficult to ensure that, is constructed
Usually since ventilation difficulty causes work 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 air hose by fresh air force feed to a tunnel, face
Air again by the exhaust fan 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 air hose to tunnel tunnel face, it is necessary to expend more air hose, 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, wind turbine needs long-time high power to operate, and power consumption is big, and wind turbine damages larger, operation maintenance expense
With height.
The content of the invention
The purpose of this utility model is to provide a kind of major long tunnel ventilation unit of long range air-supply, uses the ventilation unit
Long range air-supply is carried out to major long tunnel, operation maintenance expense is low, and drafting efficiency is high, can preferably ensure the construction speed in tunnel
And construction safety；And the damage of its wind turbine is small, ventilation expense is low.
The utility model realizes its goal of the invention the technical scheme adopted is that a kind of major long tunnel of long range air-supply leads to
Wind apparatus, 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 the first 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 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 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 inlet air interface, the second tunnel side steel plate on be provided with
Outlet air interface；The outlet air 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 the inclined shaft is disposed with axial flow blower one and axial flow blower two；
The axial flow blower one is connected by blast pipe one with the inlet air interface of the first storage wind transverse passage-way；Discharge pipe one
Beginning 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；
The axial flow blower two is connected by blast pipe two with the inlet air interface of the second storage wind transverse passage-way；Discharge pipe two
Beginning 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.
The working process and principle of the utility model 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 open axial flow blower two, fresh wind is pumped into outside slope mouth by axial flow blower two, fresh wind by into
Wind transverse passage-way is stored up in the input of air hose 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 at the same time；By axis stream
The transverse passage-way axial flow blower that wind turbine 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 axis 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, the system of the utility model is a dynamic system, with the propulsion of tunnel excavation, face meeting nearby
Excavate out new transverse passage-way；New transverse passage-way becomes face transverse passage-way, and original face transverse passage-way and first stores up wind
Transverse passage-way 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
Then remove, become common transverse passage-way.
Compared with prior art, the beneficial effects of the utility model are：
First, the air-supply process of air hose is divided into two sections by the utility model, and leading portion is transverse passage-way for inclined shaft to transverse passage-way, back segment
To face, two-part air-supply alleviates the ventilation pressure of disposable one section of air-supply：Can be by the wind turbine (axial flow blower of leading portion
First, the wind turbine (the transverse passage-way axial flow blower of first, second storage wind transverse passage-way) two) with back segment works at the same time, and carries out two sections of relays
Formula is blown.Two sections of relay-type air-supplies can lower the live load of single wind turbine, and can improve the exhausting power in whole air passage, carry
High drafting efficiency and ventilation speed, and then preferably ensure the construction speed and construction safety in tunnel.
2nd, the two-part air-supply of the utility model, the wind turbine of leading portion and the wind turbine of back segment can take turns to operate to form alternating
Exhausting.Wind turbine continuous high load capacity work for a long time is avoided, reduces the damage of wind turbine, improves the service life of wind turbine, subtract
Small maintenance and expense to wind turbine, thereby reduces ventilation expense, improves construction speed.
3rd, the transverse passage-way axial flow blower that the long range ventilation of the utility model is added is located in the transverse passage-way of large volume, horizontal
The specification of passage axial flow blower can use large-sized large power shaft flow fan, so that effectively from the limitation of dust diameter
Improve drafting efficiency and air quantity.
4th, the first, second storage wind transverse passage-way of the utility model be existing transverse passage-way when utilize tunnel excavation seal and
Into not being the structure individually built, be not take up main tunnel space yet；It had both been built quickly, nor affect on tunnel applying in itself
Work.
Further, the port of the first storage wind transverse passage-way of the utility model and the second storage wind transverse passage-way both sides is sealed with steel plate
Concrete structure be：
The first storage wind transverse passage-way and the inner wall 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.
In this way, the sealing of first, second storage wind transverse passage-way is quick, cost is low, while removes conveniently.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
Embodiment
Embodiment
Fig. 1 shows that a kind of embodiment of the utility model is a kind of major long tunnel ventilation unit of long range air-supply,
The first tunnel 1 connected including inclined shaft 3, with inclined shaft 3, the second tunnel 2 connected by multiple transverse passage-ways with the first tunnel 1；
Multiple jet blowers 7 are arranged between the face 4 in the first 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 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 port of 52 both sides of first storage wind transverse passage-way 51 and the second storage wind transverse passage-way is sealed with steel plate, and first
Inlet air interface, the steel of the second tunnel side are provided with the steel plate of first tunnel side of 51 and second storage wind transverse passage-way 52 of storage wind transverse passage-way
Outlet air interface is provided with plate；The outlet air 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 the inclined shaft 3 is disposed with axial flow blower 1 and axial flow blower 2 82；
The axial flow blower 1 is connected by one 91a of blast pipe with the inlet air interface of the first storage wind transverse passage-way 51；Go out
The beginning of one 91b of air hose is connected with the transverse passage-way axial flow blower 83 of the first storage wind transverse passage-way 51, and one 91b of discharge pipe is through the second tunnel
Road 2, face transverse passage-way 50 terminate at the face 4 in the first tunnel 1；
The axial flow blower 2 82 is connected by two 92a of blast pipe with the inlet air interface of the second storage wind transverse passage-way 52；Go out
The beginning of two 92b of air hose is connected with the transverse passage-way axial flow blower 83 of the second storage wind transverse passage-way 52, and two 92b of discharge pipe is along the second tunnel
2 forward terminal of road is in the face 4 in the second tunnel 2.
The specific knot that the port of 52 both sides of first storage wind transverse passage-way 51 and the second storage wind transverse passage-way of this example is sealed with steel plate
Structure is：
The first storage wind transverse passage-way 51 and the inner wall 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 ventilation unit 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 multiple transverse passage-ways；It is horizontal from face logical
The nearest transverse passage-way in road (50) 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 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
Inlet air 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 outlet air interface；The outlet air 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 the inclined shaft (3) is disposed with axial flow blower one (81) and axial flow blower two (82)；
The axial flow blower one (81) is connected by blast pipe one (91a) with the inlet air interface of the first storage wind transverse passage-way (51)；
The beginning 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)；
The axial flow blower two (82) is connected by blast pipe two (92a) with the inlet air interface of the second storage wind transverse passage-way (52)；
The beginning 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 ventilation unit of long range air-supply according to claim 1, it is characterised in that：Described
The port of one storage wind transverse passage-way (51) and second storage wind transverse passage-way (52) both sides is with the concrete structure that steel plate seals：
The first storage wind transverse passage-way (51) and the inner wall 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 |
|---|---|---|---|
| CN201720970538.4U CN207297062U (en) | 2017-08-04 | 2017-08-04 | The major long tunnel ventilation unit of air-supply over long distances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720970538.4U CN207297062U (en) | 2017-08-04 | 2017-08-04 | The major long tunnel ventilation unit of air-supply over long distances |
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| Publication Number | Publication Date |
|---|---|
| CN207297062U true CN207297062U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720970538.4U Active CN207297062U (en) | 2017-08-04 | 2017-08-04 | The major long tunnel ventilation unit of air-supply over long distances |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387145A (en) * | 2017-08-04 | 2017-11-24 | 西南交通大学 | A kind of major long tunnel ventilating system of long range air-supply |
| CN112253206A (en) * | 2020-10-20 | 2021-01-22 | 西南交通大学 | Highway tunnel ventilation system and method combining inclined shaft feeding and discharging and single transverse channel |
| CN113931655A (en) * | 2021-10-08 | 2022-01-14 | 贵州省公路工程集团有限公司 | Relay press-in type and roadway type combined ventilation system |
-
2017
- 2017-08-04 CN CN201720970538.4U patent/CN207297062U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387145A (en) * | 2017-08-04 | 2017-11-24 | 西南交通大学 | A kind of major long tunnel ventilating system of long range air-supply |
| CN107387145B (en) * | 2017-08-04 | 2023-09-15 | 西南交通大学 | Long-long tunnel ventilation system with long-distance air supply function |
| CN112253206A (en) * | 2020-10-20 | 2021-01-22 | 西南交通大学 | Highway tunnel ventilation system and method combining inclined shaft feeding and discharging and single transverse channel |
| CN112253206B (en) * | 2020-10-20 | 2021-11-09 | 中铁发展投资有限公司 | Highway tunnel ventilation system and method combining inclined shaft feeding and discharging and single transverse channel |
| CN113931655A (en) * | 2021-10-08 | 2022-01-14 | 贵州省公路工程集团有限公司 | Relay press-in type and roadway type combined ventilation system |
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