CN206942802U - Tunneling composite lining structure air channel - Google Patents
Tunneling composite lining structure air channel Download PDFInfo
- Publication number
- CN206942802U CN206942802U CN201720649921.XU CN201720649921U CN206942802U CN 206942802 U CN206942802 U CN 206942802U CN 201720649921 U CN201720649921 U CN 201720649921U CN 206942802 U CN206942802 U CN 206942802U
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- Prior art keywords
- air channel
- tunnel
- channel body
- mouth
- air
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Abstract
The present utility model application, which belongs to, is related to a kind of ventilating system, specifically discloses a kind of tunneling composite lining structure air channel, including the air channel body that section is semicircular arc, the air channel body are followed successively by reinforced concrete lining layer, waterproof layer, supporting and country rock from the inside to surface；One end of the air channel body connects with tunnel, other end closing；A upper lateral part of the air channel body away from tunnel is provided with direct sunlight mouth, and the globoidal mirror of indent is provided with the air channel body below direct sunlight mouth；The bottom of the air channel body is provided with the rhone connected with tunnel drainage canal, and rhone edge tilts gradually downward towards the side in tunnel.This air channel is applied in tunnel, can flow the air in tunnel, avoid polluter from being accumulated in tunnel.
Description
Technical field
The utility model, which belongs to, is related to a kind of ventilating system, more particularly to a kind of tunneling composite lining structure air channel.
Background technology
Tunnel is the engineering works being embedded in stratum, is a kind of form of human use's underground space, can be divided into friendship
Logical tunnel, Hydraulic Tunnel, municipal tunnel, mining tunnel.The structure in tunnel includes main building thing and auxiliary device two parts.It is main
Body building is made up of barrel and portal, and auxiliary device includes refuge chamber, fire fighting device, emergency communication and guarded drainage facility, long
There is special ventilation and lighting apparatus in tunnel.
In tunnel internal, swim largely emission of substance or dust from vehicle or the external world, can if things go on like this cause
Pollutant concentration uprises in tunnel.These emission of substance or dust have stimulation to eyes and respiratory tract, are absorbed by tracheae
Cause various inflammation, the lighter's dizziness, headache, severe one will be by permanent damage；Dust granules can also trigger PUD D, make to lead to
The health for the personnel for crossing tunnel is difficult to ensure that.Herein, it is to be ensured that the good environment in tunnel, it is necessary to by the pollutant in tunnel
Matter emits, and currently used way is exactly tunnel is kept ventilation.
The common draft type of existing tunnel has following several, gravity-flow ventilation：So-called gravity-flow ventilation refers to by tunnel
The piston effect of the automobile of process and natural wind action, pernicious gas and flue dust are excluded out of tunnel.Using gravity-flow ventilation
Pattern is limited to the size of vehicle flowrate in tunnel, and the unstability of natural wind and complexity can largely effect on the gas in tunnel
Stream exchanges.Longitudinal Ventilation：So-called Longitudinal Ventilation is to introduce fresh air from a hole, is excluded by another hole dirty
Contaminate the mode of air.This mode, air pollution degree are linearly increased from entrance to export direction, and porch pollution concentration is most
It is small, it is big to export interior survey pollution concentration.Meeting fire situation can cause to export concentration height at hole, smoke evacuation inconvenience.Existing Longitudinal leads to
The pressure fan power of elegance is bigger, and cost is higher and noise pollution is serious, not economic and environment-friendly enough.
Utility model content
The purpose of this utility model is providing a kind of tunneling composite lining structure air channel, makes tunnel using the principle of atmosphere convection
Air flow in road is got up, and avoids the polluter in tunnel from accumulating.
In order to achieve the above object, base case of the present utility model is：Tunneling composite lining structure air channel, including section
For the air channel body of semicircular arc, the air channel body is followed successively by reinforced concrete lining layer, waterproof layer, supporting and enclosed from the inside to surface
Rock；One end of the air channel body connects with tunnel, other end closing；A upper lateral part of the air channel body away from tunnel is provided with
Direct sunlight mouth, the globoidal mirror of indent is provided with the air channel body below direct sunlight mouth；The bottom of the air channel body
Provided with the rhone connected with tunnel drainage canal, rhone edge tilts gradually downward towards the side in tunnel.
The operation principle of this base case is：Sunlight is injected in air channel and then fallen on globoidal mirror from direct sunlight mouth,
Due to the spotlight effect of globoidal mirror, the temperature of the air channel side quickly raises, then air heats expansion rises from direct sunlight mouth
Discharge, therefore the air pressure of the air channel side reduces.The opposite side in air channel connects with tunnel, and the temperature in tunnel is relatively low, and air pressure is also big
Air pressure at the direct sunlight mouth of air channel, therefore the air in tunnel flows at direct sunlight mouth.In the process of air flow
In, the polluter in tunnel is discharged.
The beneficial effect of this base case is：
1st, the structure of air channel body is followed successively by reinforced concrete lining layer, waterproof layer, supporting and country rock from the inside to surface, using this
Kind structure can strengthen the intensity in air channel, extend the service life in air channel；
2nd, the temperature for making air channel side using the direct projection of sunlight raises, and makes the temperature difference mutation of air channel both sides big, is formed empty
Gas convection current, take away the polluter in tunnel；Gravity-flow ventilation is fully relied in this process, is not required to be additionally provided power, has
Effect saves cost；
3rd, when the rainy day, rainwater can be entered in air channel by direct sunlight mouth, set inclined rhone, draining
Groove is connected with the drainage ditch in tunnel, and rainwater can be imported in drainage ditch along rhone, effectively avoids preventing that ponding occurs in air channel；
Rainwater converges in air channel and tunnel connectivity part, and rainwater can reduce when volatilizing absorbs heat reduction temperature, can further increase
The temperature difference of air channel both sides.
Further, the air channel body is connected with air exhauster close to the side in tunnel.Cause not when due to reasons such as weather
When can produce cross-ventilation, to ensure the circulation of air in tunnel, start air exhauster, by the extraction of air in tunnel, in tunnel
Air pressure reduce, and extraneous gas is added in tunnel, makes the air flow in tunnel.
Further, the junction of the air channel body and tunnel is arc.The junction in air channel body and tunnel is arranged to
Arc, the resistance that air-flow is subject to when can reduce air flow.
Further, rotating shaft is installed, rotating shaft is provided with can occur to turn under the strike of rainwater at the direct sunlight mouth
Dynamic flabellum.During the rainy day, rainwater falls drives flabellum to rotate on flabellum, and flabellum, which rotates, can make air flow, certainly
Solve because the temperature difference of rainy day air channel both sides is little, it is difficult to the problem of forming cross-ventilation.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model tunneling composite lining structure air channel embodiment 1；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the structural representation of the utility model tunneling composite lining structure air channel embodiment 2；
Fig. 4 is the structural representation of the utility model tunneling composite lining structure air channel embodiment 3.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Air channel body 1, direct sunlight mouth 11, rhone 12, globoidal mirror 2, tunnel
Road 3, drainage ditch 31, air exhauster 4, rotating shaft 5, flabellum 51.
Embodiment 1
As shown in Figure 1 and Figure 2, tunneling composite lining structure air channel, including air channel body 1, the section of air channel body 1 are set
For semicircular arc, the resistance being subject to during air flow is reduced.Air channel body 1 is followed successively by reinforced concrete lining layer, prevented from the inside to surface
Water layer, supporting and country rock, the intensity in air channel can be strengthened using this structure, extend the service life in air channel.Air channel body 1
One end connects with tunnel 3, and junction is set to arc, the other end closing of air channel body 1.Side of the air channel body 1 away from tunnel 3
Top is provided with direct sunlight mouth 11, and the globoidal mirror 2 of indent is provided with air channel body 1, and the globoidal mirror 2 is located at direct sunlight mouth 11
Lower section, sunlight is injected in air channel and then fallen on globoidal mirror 2 from direct sunlight mouth 11, due to the spotlight effect of globoidal mirror 2, air channel
The temperature of the side can be raised quickly.The bottom of air channel body 1, which is dug, the rhone 12 being obliquely installed, rhone 12 and tunnel 3
Drainage ditch 31 connect, the connectivity part of rhone 12 and the drainage ditch 31 of tunnel 3 is inclined underside, under gravity, rainwater
It can be imported along rhone 12 in drainage ditch 31, avoid that ponding occurs in air channel.
Sunlight is injected in air channel and then fallen on globoidal mirror 2 from direct sunlight mouth 11, and the temperature of the air channel side quickly raises,
Air heats expansion rises and then discharged from direct sunlight mouth 11, and the air pressure of the air channel side reduces.The opposite side in air channel and tunnel 3
Connection, the temperature in tunnel 3 is relatively low, air pressure also greater than the air pressure at air channel direct sunlight mouth 11, therefore the air in tunnel 3 to
Flowed at direct sunlight mouth 11, during air flow, the polluter in tunnel 3 is discharged.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is that the air channel body 1 of embodiment 2 is connected with close to the side in tunnel 3 to be taken out
Blower fan 4, as shown in Figure 3.Start air exhauster 4, the air in tunnel 3 is extracted, and the air pressure in tunnel 3 reduces, and extraneous gas
Body is added in tunnel 3, makes the air flow in tunnel 3.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is, rotating shaft is provided with the direct sunlight mouth of embodiment 3, is installed in rotating shaft
There is flabellum, flabellum can rotate under the strike of rainwater, as shown in Figure 4.During the rainy day, rainwater falls drives flabellum on flabellum
Rotate, make air flow.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (4)
1. tunneling composite lining structure air channel, it is characterised in that including the air channel body that section is semicircular arc, the air channel sheet
Body is followed successively by reinforced concrete lining layer, waterproof layer, supporting and country rock from the inside to surface；One end of the air channel body connects with tunnel
It is logical, other end closing；A upper lateral part of the air channel body away from tunnel is provided with direct sunlight mouth, below direct sunlight mouth
Air channel body in be provided with indent globoidal mirror；The bottom of the air channel body is provided with the rhone connected with tunnel drainage canal,
Rhone edge tilts gradually downward towards the side in tunnel.
2. tunneling composite lining structure air channel as claimed in claim 1, it is characterised in that the air channel body is close to tunnel
Side is connected with air exhauster.
3. tunneling composite lining structure air channel as claimed in claim 1, it is characterised in that the company of the air channel body and tunnel
It is arc to meet place.
4. tunneling composite lining structure air channel as claimed in claim 1, it is characterised in that be provided with the direct sunlight mouth
Rotating shaft, rotating shaft are provided with the flabellum that can be rotated under the strike of rainwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649921.XU CN206942802U (en) | 2017-06-06 | 2017-06-06 | Tunneling composite lining structure air channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649921.XU CN206942802U (en) | 2017-06-06 | 2017-06-06 | Tunneling composite lining structure air channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206942802U true CN206942802U (en) | 2018-01-30 |
Family
ID=61362901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649921.XU Expired - Fee Related CN206942802U (en) | 2017-06-06 | 2017-06-06 | Tunneling composite lining structure air channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206942802U (en) |
-
2017
- 2017-06-06 CN CN201720649921.XU patent/CN206942802U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200606 |