CN205840904U - A kind of motorless tunnel ventilation device - Google Patents
A kind of motorless tunnel ventilation device Download PDFInfo
- Publication number
- CN205840904U CN205840904U CN201620769170.0U CN201620769170U CN205840904U CN 205840904 U CN205840904 U CN 205840904U CN 201620769170 U CN201620769170 U CN 201620769170U CN 205840904 U CN205840904 U CN 205840904U
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- tunnel
- tunnel ventilation
- ventilation
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- tower
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Abstract
This utility model provides a kind of motorless tunnel ventilation device, includes Unpowered ventilation device, tunnel ventilation tower, tunnel ventilation vertical shaft, tunnel ventilation layer and vent the most successively；Vent is arranged on the interior space in tunnel inside top, side and tunnel, and opposite side contacts with tunnel ventilation layer；The top of described tunnel ventilation layer is connected with tunnel ventilation tower bottom by tunnel ventilation vertical shaft, and the width of described tunnel ventilation vertical shaft and tunnel ventilation tower is respectively less than tunnel ventilation layer, and described Unpowered ventilation device is uniformly arranged on the top outer of tunnel ventilation tower；Vent is uniformly arranged on top 1/3 inwall in tunnel height direction and on vault inwall.Width is set in vent and is more than air shaft and the tunnel ventilation layer of tunnel ventilation tower, can effectively assemble vehicle exhaust, and then utilize Unpowered ventilation device to concentrate gas pollutant eliminating tunnel in tunnel, reduce temperature in tunnel simultaneously.
Description
Technical field
This utility model relates to tunnel ventilation technical field, especially, relates to a kind of motorless tunnel ventilation device.
Background technology
Conventional tunnel draft type mostly is force ventilation.Such as disclosed in CN201110098262.2 Tunnel Ventilation System,
Including the tunnel ventilation device being arranged on tunnel inner wall, tunnel ventilation device includes air-intake device and exhaust apparatus, and air intake fills
Put and include housing, be arranged on the screen plate above housing and be arranged on the blower fan above screen plate, exhaust apparatus include base plate,
The top board being connected with base plate and the arc being connected with top board, base plate, top board and arc surround one for the chamber ventilated
Body, described housing connects with cavity.Although this Tunnel Ventilation System is than traditional mechanization air vent mode, ventilation effect has
Significantly improve, but it is without departing from the thinking of force ventilation.Such as disclosed in CN201210208607.X, subway station is new
Type Tunnel Ventilation System, is aerated running tunnel and station tunnel, including: first row ventilating shaft and second row ventilating shaft, first
Piston vent and the second piston vent, first row air channel, the first connection air channel, first piston air channel, second row air channel, the second company
Ventilating duct, first piston air channel and difference the first upper air duct and the first lower air duct, the second upper air duct and the second lower air duct；?
On first row air channel or first piston air channel, the first tunnel blower is installed, on second row air channel or the second piston air channel
Second tunnel blower is installed；And it is installed on the Electric air valve on each air channel.Although running tunnel is ventilated by this ventilating system
System merges setting with station tunnel ventilating system, decreases the quantity of station piston vent, but still needs to motorized motions blower fan and enter
Row air draft.
For environmental protection and energy-conservation consideration, industry occurs in that and need not mechanokinetic tunnel exhaust way.Such as
CN201220696256.7 discloses ventilation device body, and the opening part of cable tunnel is provided with ventilation unit,
Described ventilation unit includes mounting seat, is provided with bearing block in mounting seat, and bearing block connects main shaft, bearing block surrounding
Rotating vane is set.The air thermal convection current that this utility model is caused by natural wind and tunnel inside and outside temperature difference, promotes turbine
Rotate, it is achieved weather conditions round-the-clock, complete operate, and remain that tunnel internal environment is good.CN201120543780.6 is open
Exhaust system under tunnel air, bottom, tunnel arranges exhausting duct and exhaust outlet, top, tunnel arranges fresh flue and fresh wind port, row
Wind turbine is installed in air port, arranges synchronization air exchanging apparatus outside tunnel, utilizes outside blast and the tunnel of motor-driven vehicle going in tunnel
Wind energy, from tunnel lower absorbent automobile exhausting, pure and fresh air is sent on top, and short tunnel can realize unpowered noise.
But above motorless tunnel ventilation mode structure is the most complicated, uses inconvenience.
Utility model content
This utility model purpose is to provide a kind of motorless tunnel ventilation device, to solve the unpowered of existing tunnel
The technical problem that aeration structure is excessively complicated.
For achieving the above object, this utility model provides a kind of motorless tunnel ventilation device, the most successively
Including Unpowered ventilation device 1, tunnel ventilation tower 2, tunnel ventilation vertical shaft 3, tunnel ventilation layer 4 and vent 5；Described vent 5
Being arranged on tunnel inside top, side contacts with the inner space 7 in tunnel, and opposite side contacts with tunnel ventilation layer 4；Described tunnel
The top of ventilating layer 4 is connected bottom tunnel ventilation tower 2 by tunnel ventilation vertical shaft 3, and described tunnel ventilation vertical shaft 3 and tunnel lead to
The width of wind tower 2 is respectively less than tunnel ventilation layer 4, and described Unpowered ventilation device 1 is uniformly arranged on outside the top of tunnel ventilation tower 2
Side；
Described vent 5 is uniformly arranged on top 1/3 inwall in tunnel height direction and on vault inwall, as tunnel leads to
On stratification of wind 4, it is spaced 30cm.
Preferably, the top inner wall edge of described tunnel ventilation layer 4, for the arch adapted with tunnel-shaped.
Preferably, described vent 5 is uniformly arranged on tunnel ventilation layer.
Preferably, on the width in tunnel, the width of described tunnel ventilation vertical shaft 3 is tunnel ventilation layer 4 width
2/3。
Preferably, described tunnel ventilation layer 4 is the hollow space of tunnel vault inwall, or described tunnel ventilation layer 4 is
It is suspended on the overall structure on tunnel vault inwall.
Preferably, described tunnel ventilation tower 2 and/or described tunnel ventilation layer 4 are light section steel structure.
Preferably, described Unpowered ventilation device 1 is uniformly distributed at ventilation tower top interval 1m.
Preferably, described tunnel ventilation layer is laid tunnel cable, the light section knot that cable is fixed in tunnel ventilation layer
Structure framework.
Preferably, the top of described tunnel ventilation tower 2 and the distance of tunnel outer wall are 5m.
Preferably, a diameter of 20-40cm of described vent 5, a diameter of 1m of described Unpowered ventilation device 1.
This utility model has the advantages that
This utility model is uniformly arranged vent on the ceiling and the partial sidewall close with ceiling of tunnel top,
Making air Flow channel many, air draft power is big；Further, width is set in vent more than air shaft and tunnel ventilation tower
Tunnel ventilation layer so that from vent leaked-in air, there is bigger convolution space.Tunnel air pollutes predominantly automobile
Tail gas, vehicle exhaust spreads to tunnel top owing to temperature is higher, and tunnel ventilation layer can effectively assemble vehicle exhaust, Jin Erli
Concentrate with Unpowered ventilation device and gas pollutant in tunnel is got rid of tunnel, reduce temperature in tunnel simultaneously.Through experiment and number
Value analogy test Unpowered ventilation device exhaust effect shows, when shaft width is tunnel ventilation layer 2/3, Unpowered ventilation device is permissible
It is prevented effectively from the linear loss during air draft, reaches tunnel optimum exhaust effect.Tunnel ventilation layer is as between inside and outside tunnel
Separate space, and can effectively regulate tunnel ventilation layer length according to tunnel practical situation, greatly facilitate tunnel ventilation
Front facilitation, is to utilize Unpowered ventilation device as the very important effective link of tunnel ventilation mode.
Tunnel ventilation layer can be laid tunnel cable, on the light section steel structure framework being fixed in ventilating layer.Do not affect tunnel
Road entirety ventilation effect, during tunnel electricity consumption simultaneously, electric cable heating, increase tunnel internal-external temperature difference, Unpowered ventilation device can be strengthened
Exhaust effect, to tunnel entirety ventilate play optimum facilitation.
It addition, Unpowered ventilation device is applied to tunnel ventilation by this device, utilize natural wind and tunnel internal-external temperature difference,
Get rid of tunnel internal contamination gas, reduce tunnel construction, operation, maintenance cost；Unpowered ventilation device is possible to prevent rain leakage, from
And without adding a cover rain cover ceiling, it is to avoid rainwater enters tunnel.Purchase installation cost is cheap, later stage Maintenance free, has tremendous economic
Benefit.
In addition to objects, features and advantages described above, this utility model also has other purpose, feature and excellent
Point.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.At accompanying drawing
In:
Fig. 1 is the cross-sectional view of this utility model preferred embodiment；
Fig. 2 is the perspective view of this utility model preferred embodiment；
Wherein, 1, Unpowered ventilation device, 2, tunnel ventilation tower, 3, tunnel ventilation vertical shaft, 4, tunnel ventilation layer, 5, ventilate
Mouthful, 6, tunnel ventilation top of tower, 7, tunnel internal space, 8, outer wall top, tunnel, 9, vertical shaft and aeration tower joint face.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be according to power
Profit requires that the multitude of different ways limiting and covering is implemented.
See Fig. 1, Fig. 2, a kind of motorless tunnel ventilation device, include Unpowered ventilation device 1, tunnel the most successively
Road aeration tower 2, tunnel ventilation vertical shaft 3, tunnel ventilation layer 4 and vent 5；Described vent 5 is arranged on vault inside tunnel, and one
Side contacts with tunnel internal space 7, and opposite side contacts with tunnel ventilation layer 4.Tunnel internal space 7 is that the use of tunnel internal is empty
Between, it is available for motor vehicles or rail vehicle passes through.
The top of described tunnel ventilation layer 4 is connected bottom tunnel ventilation tower 2 by tunnel ventilation vertical shaft 3.Tunnel ventilation
The cylindrical hollow body of the diameter 5m that vertical shaft 3 is reserved for constructing tunnel, is xoncrete structure.Tunnel ventilation tower 2 and/or described tunnel
Road ventilating layer 4 can be light section steel structure, compares xoncrete structure, easily assembles construction.
Tunnel ventilation vertical shaft 3 connects tunnel ventilation tower 2 and tunnel ventilation layer 4, tunnel ventilation vertical shaft 3 and tunnel ventilation tower 2
Width consistent.The width of tunnel ventilation vertical shaft 3 and tunnel ventilation tower 2 is respectively less than tunnel ventilation layer 4.Width in tunnel
On, the width of tunnel ventilation vertical shaft 3 and tunnel ventilation tower 2 can be the 2/3 of tunnel ventilation layer 4 width, and ventilation effect is more preferable.
Tunnel ventilation layer 4 extends around to tunnel from tunnel ventilation vertical shaft bottom, can be embedded in tunnel internal, with on tunnel
Wall presents semicylinder.The i.e. top inner wall edge of tunnel ventilation layer 4, for the arch adapted with tunnel-shaped.Tunnel ventilation
Layer 4 has two kinds of versions: one is for the hollow space in tunnel vault, and two is the overall structure being suspended on tunnel vault.The
A kind of structure needs to reserve large-area hollow space when tunnel lining-up, and the second structure then can directly hang use, can
Select flexibly according to practical situation.The length of tunnel ventilation layer 4 adapts with length of tunnel, slightly shorter than length of tunnel.Also
Can arrange flexibly according to tunnel actual demand.
Tunnel ventilation tower 2 can be prismatic shape, and cross section is rectangle, long 12m, wide 6m, its top and tunnel outer wall
The air line distance at top 8 is 5m.Vertical shaft is fusiform transition region with aeration tower joint face 9 and tunnel ventilation layer 4 joint face
Territory, fusiform transition region can reduce the linear loss of air draft.
Unpowered ventilation device 1 can uniformly be arranged on the outside of tunnel ventilation top of tower 6.Unpowered ventilation device is also known as naturally logical
Wind device, is to utilize the natural wind of nature to promote the turbine of blower fan to rotate, and utilizes the principle of indoor-outdoor air convection current, will appoint
The air flowing of what parallel direction, accelerates and is changed into the most vertical air flowing, thus utilize centrifugal force and negative pressure
Air in tunnel is got rid of by effect.
Unpowered ventilation device 1 is uniformly distributed at ventilation tower top interval 1m, can be distributed along horizontal median axis, convenient construction.Nothing
The specification of the optional 1m of diameter of power ventilation device 1.
Described vent 5 is uniformly arranged on the near-bottom of tunnel ventilation layer, as on upper 1/3 inwall of tunnel height and arch
On the inwall of top.Preferably, vent 5 can be uniformly arranged tunnel ventilation layer 4, is spaced 30cm.The diameter of vent 5 can be 20-
40cm, convenient use.
According to above structure, the construction method of the motorless tunnel ventilation device of the application is as follows:
The first step: reserve, at tunnel vault, the air shaft that connection is extraneous during construction, can be the cylinder of diameter 5m.
Second step: do tunnel ventilation layer at tunnel internal vault, for doing sky in tunnel vault, main body is light section steel structure,
The ventilation hole of the most reserved a diameter of 20-40cm.
Separately also tunnel ventilation layer can be hung on tunnel vault.
3rd step: making aeration tower, main body is light section steel structure, assembles Unpowered ventilation device, and along ventilation tower top
Axis is evenly arranged.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a motorless tunnel ventilation device, it is characterised in that include Unpowered ventilation device (1), tunnel the most successively
Road aeration tower (2), tunnel ventilation vertical shaft (3), tunnel ventilation layer (4) and vent (5)；Described vent (5) is arranged on tunnel
Inside top, side contacts with the inner space (7) in tunnel, and opposite side contacts with tunnel ventilation layer (4)；Described tunnel ventilation layer
(4) top is connected with tunnel ventilation tower (2) bottom by tunnel ventilation vertical shaft (3), described tunnel ventilation vertical shaft (3) and tunnel
The width of aeration tower (2) is respectively less than tunnel ventilation layer (4), and described Unpowered ventilation device (1) is uniformly arranged on tunnel ventilation tower (2)
Top outer；
Described vent (5) is uniformly arranged on top 1/3 inwall in tunnel height direction and on vault inwall.
Tunnel ventilation device the most according to claim 1, it is characterised in that the top inner wall of described tunnel ventilation layer (4)
Edge, for the arch adapted with tunnel-shaped.
Tunnel ventilation device the most according to claim 1, it is characterised in that described vent (5) is uniformly arranged on tunnel
On ventilating layer.
Tunnel ventilation device the most according to claim 1, it is characterised in that on the width in tunnel, described tunnel
The width of air shaft (3) and tunnel ventilation tower (2) is the 2/3 of tunnel ventilation layer (4) width.
Tunnel ventilation device the most according to claim 1, it is characterised in that described tunnel ventilation layer (4) is tunnel vault
The hollow space of inwall, or described tunnel ventilation layer (4) is for be suspended on the overall structure on tunnel vault inwall.
6. according to the tunnel ventilation device described in any one of claim 1 to 5, it is characterised in that described tunnel ventilation tower (2)
And/or described tunnel ventilation layer (4) is light section steel structure.
7. according to the tunnel ventilation device described in any one of claim 1 to 5, it is characterised in that described Unpowered ventilation device (1)
Horizontal median axis along ventilation tower top is uniformly distributed.
8. according to the tunnel ventilation device described in any one of claim 1 to 5, it is characterised in that described tunnel ventilation layer middle berth
If tunnel cable, cable is fixed on the light section steel structure framework in tunnel ventilation layer.
9. according to the tunnel ventilation device described in any one of claim 1 to 5, it is characterised in that described tunnel ventilation tower (2)
Top is 5m with the distance of tunnel outer wall.
10. according to the tunnel ventilation device described in any one of claim 1 to 5, it is characterised in that described vent (5) straight
Footpath is 20-40cm, a diameter of 1m of described Unpowered ventilation device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769170.0U CN205840904U (en) | 2016-07-20 | 2016-07-20 | A kind of motorless tunnel ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769170.0U CN205840904U (en) | 2016-07-20 | 2016-07-20 | A kind of motorless tunnel ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840904U true CN205840904U (en) | 2016-12-28 |
Family
ID=57625337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620769170.0U Expired - Fee Related CN205840904U (en) | 2016-07-20 | 2016-07-20 | A kind of motorless tunnel ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205840904U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590662A (en) * | 2018-05-09 | 2018-09-28 | 中国建筑第八工程局有限公司 | The construction method of high gradient slope metro station tunnel air shaft |
| CN109372516A (en) * | 2018-12-04 | 2019-02-22 | 河南省尧栾西高速公路建设有限公司 | Device for liaison tunnel vertical shaft air draft |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN111219884A (en) * | 2018-11-26 | 2020-06-02 | 宁波方太厨具有限公司 | Anti-downdraft device of smoke exhaust pipe and gas water heater |
| CN112944057A (en) * | 2021-02-03 | 2021-06-11 | 江西龙正科技发展有限公司 | Novel super-strength RPC air duct pipe |
-
2016
- 2016-07-20 CN CN201620769170.0U patent/CN205840904U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590662A (en) * | 2018-05-09 | 2018-09-28 | 中国建筑第八工程局有限公司 | The construction method of high gradient slope metro station tunnel air shaft |
| CN111219884A (en) * | 2018-11-26 | 2020-06-02 | 宁波方太厨具有限公司 | Anti-downdraft device of smoke exhaust pipe and gas water heater |
| CN111219884B (en) * | 2018-11-26 | 2021-05-18 | 宁波方太厨具有限公司 | Anti-downdraft device of smoke exhaust pipe and gas water heater |
| CN109372516A (en) * | 2018-12-04 | 2019-02-22 | 河南省尧栾西高速公路建设有限公司 | Device for liaison tunnel vertical shaft air draft |
| CN109372516B (en) * | 2018-12-04 | 2023-12-22 | 河南省尧栾西高速公路建设有限公司 | Device for assisting in exhausting air of tunnel shaft |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN112944057A (en) * | 2021-02-03 | 2021-06-11 | 江西龙正科技发展有限公司 | Novel super-strength RPC air duct pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161228 Termination date: 20190720 |