CN110107333A - A kind of tunnel ventilation experimental provision with discharge flue - Google Patents
A kind of tunnel ventilation experimental provision with discharge flue Download PDFInfo
- Publication number
- CN110107333A CN110107333A CN201910460050.0A CN201910460050A CN110107333A CN 110107333 A CN110107333 A CN 110107333A CN 201910460050 A CN201910460050 A CN 201910460050A CN 110107333 A CN110107333 A CN 110107333A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- discharge flue
- air door
- uplink
- downlink
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000004079 fireproofing Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E21F1/02—Test models
Landscapes
- 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
The disclosure discloses a kind of tunnel ventilation experimental provision with discharge flue, comprising: uplink tunnel, downlink tunnel, discharge flue, the first to the tenth section and the first to the tenth resistance grid.The disclosure further discloses a kind of smoke exhaust method of tunnel ventilation experimental provision with discharge flue.The disclosure can reach the requirement of tunnel fire proofing smoke evacuation under conditions of not only meeting air-conditioning requirement but also no setting is required vertical shaft, and capital investment is few；Flue gas can be prevented along tunnel longitudinal diffusion, security performance is high；Can in time, efficiently will be outside flue gas emission to tunnel.
Description
Technical field
This disclosure relates to a kind of tunnel ventilation experimental provision, in particular to a kind of tunnel ventilation experiment with discharge flue
Device.
Background technique
Ventilating system is the important component of vcehicular tunnel.For Extra-long Highway Tunnel, the superiority and inferiority of ventilating system scheme
It is directly related to the performance of vcehicular tunnel function and benefit, it is particularly significant.Domestic and international highway tunnel ventilation scheme has vertical at present
To ventilation, segmentation longitudinal ventilation, transverse direction and semi-transverse ventilation and Network Ventilation etc..Wherein, longitudinal ventilation, segmentation are longitudinal logical
Wind, the design of transverse direction and semi-transverse ventilation and the current technology of research are more mature, and ventilation theory is more perfect.But both at home and abroad right
Length is when the vcehicular tunnel of 5km or so does ventilation scheme research, it is commonly found that full longitudinal direction jet stream is logical only for operation ventilation
Wind can meet, and without vertical shaft is arranged, but consider the requirement of fire and smoke exhaust, and not setting vertical shaft again causes flue gas efficiently fast
Tunnel is discharged fastly, so flue gas is made troubles easily along tunnel longitudinal diffusion to rescue, thus fire when increasing tunnel operation
The harmfulness of calamity, often the fire behavior of very little is unable to control due to the inconvenience of ventilation smoke exhaust so as to cause fire behavior, and injures and deaths increase.Separately
Outside, due to the limitation of route absolute altitude, usual left and right line required airflow differs greatly in this tunnel.
Summary of the invention
For the deficiencies in the prior art, the disclosure to be designed to provide a kind of capital investment few, highly-safe
The tunnel ventilation experimental provision with discharge flue.
The disclosure is achieved through the following technical solutions above-mentioned purpose:
A kind of tunnel ventilation experimental provision with discharge flue, comprising: uplink tunnel, downlink tunnel, discharge flue,
One to the tenth section and the first to the tenth resistance grid；Wherein,
The uplink tunnel and the downlink tunnel are connected with the discharge flue respectively；
Described first is located at the upstream of the discharge flue to third section, the 6th to eighth section；
Four, the five, the nine, the tenth section is located at the downstream of the discharge flue；
Described first is located at the upstream of the discharge flue to third resistance grid, the 6th to the 8th resistance grid；
Four, the five, the nine, the tenth resistance grid is located at the downstream of the discharge flue.
Preferably, the resistance grid includes rubber weather strip, grid and reserved frame trough.
Preferably, the uplink tunnel and the downlink tunnel are connected by Y type interface with the discharge flue.
Preferably, the angle of the uplink tunnel and the downlink tunnel and the Y type interface is 45 °.
Preferably, the junction of the uplink tunnel and the Y type interface is equipped with the first air door, the downlink tunnel and institute
The junction for stating Y type interface is equipped with the second air door.
Preferably, the air door includes air holes area regulation plate, air holes, partition, snap-gauge and card slot in discharge flue；Its
In,
The snap-gauge is fixed on the two sides of the air holes；
The card slot is set to the two sides of the air holes area regulation plate, fixes wind by the way that the snap-gauge to be inserted into card slot
The open area of the air holes is adjusted in the Lift of hole area regulation plate.
Preferably, jet blower is provided in the discharge flue.
Preferably, blast gauge and airspeedometer are provided in the described first to the tenth section.
The disclosure also provides a kind of method for carrying out tunnel smoke evacuation, includes the following steps:
S1: uplink tunnel and downlink tunnel are connected by Y type interface with discharge flue, and in uplink tunnel and downlink tunnel
The first air door and the second air door is respectively set in the junction of road and Y type interface；
S2: the first air door and the second air door are individually or simultaneously opened in selection, discharge uplink tunnel and or downlink tunnel in
Flue gas；
S3: the flue gas is discharged after Y type interface imports discharge flue.
Preferably, it in step S2, while the first air door of uplink tunnel and Y type interface connection is opened in selection, needs
Close the second air door of downlink tunnel and Y type interface connection；The second of downlink tunnel and Y type interface connection is opened in selection
While air door, the first air door of uplink tunnel Yu Y type interface connection need to be closed.
Disclosure bring has the beneficial effect that
1, the requirement of ventilation and tunnel fire proofing smoke evacuation is just able to satisfy without vertical shaft；
2, investment is small, and running cost is low；
3, flue gas can be prevented along tunnel longitudinal diffusion；
4, structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of experimental device for ventilation in an embodiment of the present disclosure；
Fig. 2 is the structural schematic diagram of the rubber weather strip of resistance grid in an embodiment of the present disclosure；
Fig. 3 is the cell structure schematic diagram of resistance grid in an embodiment of the present disclosure；
Fig. 4 is the reserved grid slot structure schematic diagram of resistance grid in an embodiment of the present disclosure；
Fig. 5 is the cross-sectional view in an embodiment of the present disclosure at air door；
Fig. 6 is vent structure schematic diagram in an embodiment of the present disclosure；
Fig. 7 is that an embodiment of the present disclosure apoplexy hole area regulates and controls plate arrangement top view.
Wherein: 1~10 section, 11- discharge flue upstream, 12- discharge flue downstream, 13- jet blower, 14~23- resistance
Power grid, 24- grid, 25- reserve frame trough, the first air door of 26-1, the second air door of 26-2,27-1 uplink tunnel, 27-2 downlink
Tunnel, 28- air holes area regulation plate, 29- discharge flue, 30- air holes, partition, 32- snap-gauge, 33- rubber in 31- discharge flue
Sealing strip, 34- card slot.
Specific embodiment
The technical solution of the disclosure is described in detail in 1-7 and embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of tunnel ventilation experimental provision with discharge flue, comprising: uplink tunnel, downlink tunnel,
Discharge flue, the first to the tenth section and the first to the tenth resistance grid；Wherein,
The uplink tunnel and the downlink tunnel are connected with the discharge flue respectively；
Described first is located at the upstream of the discharge flue to third section, the 6th to eighth section；
Four, the five, the nine, the tenth section is located at the downstream of the discharge flue；
Described first is located at the upstream of the discharge flue to third resistance grid, the 6th to the 8th resistance grid；
Four, the five, the nine, the tenth resistance grid is located at the downstream of the discharge flue.
Above-described embodiment constitutes the complete technical solution of the disclosure, and above-described embodiment is by being set at discharge flue
First air door 26-1 and the second air door 26-2 and jet blower 13 control the ventilation smoke exhaust demand in uplink and downlink tunnel.Band smoke evacuation
The tunnel ventilation experimental provision in channel can reach tunnel fire proofing row under conditions of not only meeting air-conditioning requirement but also no setting is required vertical shaft
The requirement of cigarette, flue gas in tunnel by Y type interface and can be arranged the discharge flue of jet blower and efficiently be discharged rapidly, prevent cigarette
Gas is brought convenience along tunnel longitudinal diffusion to save, and makes length in the vcehicular tunnel operation more economic security of 5km or so.
Further, above-described embodiment adjusts left and right line due to the limitation of route absolute altitude by control air door closure
The difference of caused required airflow, the significantly more efficient jet blower using in tunnel of energy keep tunnel operation more economical.
In another embodiment, as shown in figs 2-4, the resistance grid includes rubber weather strip 33, grid 24 and pre-
Stay frame trough 25.
In the embodiment, when needing to install resistance grid, rubber weather strip 33 can be opened, grid 24 is inserted into reserved lattice
Then grid slot 25 restores rubber weather strip 33, to prevent leak-stopping wind.
In another embodiment, the uplink tunnel and the downlink tunnel pass through Y type interface and the discharge flue phase
Even.
In the embodiment, uplink tunnel can share a discharge flue with downlink tunnel and discharge fume, and when smoke evacuation is logical
Road and uplink tunnel, downlink tunnel smoke outlet there are certain distance, Y type interface makes between tunnel smoke outlet and smokejack
Connection distance is most short.
In another embodiment, the angle of the uplink tunnel and the downlink tunnel and the Y type interface is 45 °.
It in the embodiment, is proved through test of many times, when the angle of uplink tunnel and the downlink tunnel and the Y type interface
When being 45 °, the local resistance of smoke-discharging and ventilating is smaller, is more advantageous to smoke evacuation.
In another embodiment, the junction of the uplink tunnel and the Y type interface is equipped with the first air door 26-1, described
The junction of downlink tunnel and the Y type interface is equipped with the second air door 26-2.
In the embodiment, the first air door 26-1 and the second air door 26-2 are relatively independent setting, when needing to uplink tunnel
When carrying out smoke-discharging and ventilating, the first air door 26-1 is opened, and the second air door 26-2 is closed, and prevents the flue gas and heat in uplink tunnel
Amount enters downlink tunnel by the second air door 26-2；Similarly, when needing to carry out smoke-discharging and ventilating to downlink tunnel, the first wind
Door 26-1 is closed, and the second air door 26-2 is opened, and prevents flue gas and heat in downlink tunnel from entering by the first air door 26-1 upper
Row tunnel；When needing to carry out smoke-discharging and ventilating to uplink tunnel and downlink tunnel simultaneously, the first air door 26-1 and the second wind
Door 26-2 is opened simultaneously, and the flue gas and heat in uplink tunnel and downlink tunnel are discharged after importing discharge flue mixing.
In another embodiment, as shown in Figure 5-Figure 7, the first air door 26-1 and the second air door 26-2 include
Air holes area regulates and controls plate 28, air holes 30, partition 31, snap-gauge 32 and card slot 34 in discharge flue；Wherein, the snap-gauge 32 is fixed on
The two sides of the air holes 30；The card slot 34 is set to the two sides of the air holes area regulation plate 28.
In the embodiment, snap-gauge 32 is located at the two sides of air holes 30, regulates and controls 28 liang of plate by the way that snap-gauge 32 is inserted into air holes area
The card slot of side, the Lift of adjustable air holes area regulation plate 28, so as to adjust the open area of air holes 30.
It should be noted that the card slot in above-described embodiment is divided into three shelves, it is set as first, second and third grade.
Illustratively, when snap-gauge 32 is inserted into first grade, the Lift that air holes area regulates and controls plate 28 is maximum, therefore air holes
30 open area is also just maximum；When snap-gauge 32 is inserted into second gear, the Lift that air holes area regulates and controls plate 28 is maximum high
The 1/2 of degree, therefore the open area of air holes 30 is the 1/2 of maximum open area；When snap-gauge 32 is inserted into third gear, air holes area
Regulation plate 28 is closed completely.
In another embodiment, jet blower 13 is provided in the discharge flue.
In another embodiment, blast gauge and airspeedometer are provided in the described first to the tenth section.
In the embodiment, it is provided with blast gauge and airspeedometer in each section, for measuring the air quantity by section
And wind speed.It can be derived that wind pressure field distribution and Smoke in uplink tunnel and downlink tunnel by the measurement to air quantity and wind speed
Amount.
Although being described above in conjunction with embodiment of the attached drawing to the disclosure, the disclosure is not limited to above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted
's.Those skilled in the art under the enlightenment of this specification and are not departing from disclosure scope of the claimed protection
In the case where, a variety of forms can also be made, these belong to the column of disclosure protection.
Claims (10)
1. a kind of tunnel ventilation experimental provision with discharge flue, comprising: uplink tunnel, downlink tunnel, discharge flue, first
To the tenth section and the first to the tenth resistance grid；Wherein,
The uplink tunnel and the downlink tunnel are connected with the discharge flue respectively；
Described first is located at the upstream of the discharge flue to third section, the 6th to eighth section；
Four, the five, the nine, the tenth section is located at the downstream of the discharge flue；
Described first is located at the upstream of the discharge flue to third resistance grid, the 6th to the 8th resistance grid；
Four, the five, the nine, the tenth resistance grid is located at the downstream of the discharge flue.
2. the apparatus according to claim 1, which is characterized in that preferred, the resistance grid includes rubber weather strip, lattice
Grid and reserved frame trough.
3. the apparatus according to claim 1, which is characterized in that the uplink tunnel and the downlink tunnel are connect by Y type
Mouth is connected with the discharge flue.
4. device according to claim 3, which is characterized in that the uplink tunnel and the downlink tunnel and the Y type
The angle of interface is 45 °.
5. device according to claim 3 or 4, which is characterized in that the junction of the uplink tunnel and the Y type interface
Equipped with the first air door, the junction of the downlink tunnel and the Y type interface is equipped with the second air door.
6. device according to claim 5, which is characterized in that first air door and second air door include air holes
Area regulates and controls plate, air holes, partition, snap-gauge and card slot in discharge flue；Wherein,
The snap-gauge is fixed on the two sides of the air holes；
The card slot is set to the two sides of the air holes area regulation plate, fixes air holes face by the way that the snap-gauge to be inserted into card slot
The open area of the air holes is adjusted in the Lift of product regulation plate.
7. the apparatus according to claim 1, which is characterized in that be provided with jet blower in the discharge flue.
8. the apparatus according to claim 1, which is characterized in that be provided with blast gauge and wind in the described first to the tenth section
Speed meter.
9. a kind of method that device according to claim 5 carries out tunnel smoke evacuation, includes the following steps:
S1: uplink tunnel and downlink tunnel are connected by Y type interface with discharge flue, and uplink tunnel and downlink tunnel with
The first air door and the second air door is respectively set in the junction of Y type interface；
S2: the first air door and the second air door are individually or simultaneously opened in selection, discharge uplink tunnel and or downlink tunnel in cigarette
Gas；
S3: the flue gas is discharged after Y type interface imports discharge flue.
10. according to the method described in claim 8, it is characterized in that, opening uplink tunnel in step S2 in selection and being connect with Y type
While first air door of mouth junction, the second air door of downlink tunnel Yu Y type interface connection need to be closed；In the case where selection is opened
While second air door of row tunnel and Y type interface connection, the first wind of uplink tunnel Yu Y type interface connection need to be closed
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460050.0A CN110107333A (en) | 2019-05-29 | 2019-05-29 | A kind of tunnel ventilation experimental provision with discharge flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460050.0A CN110107333A (en) | 2019-05-29 | 2019-05-29 | A kind of tunnel ventilation experimental provision with discharge flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107333A true CN110107333A (en) | 2019-08-09 |
Family
ID=67493016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910460050.0A Pending CN110107333A (en) | 2019-05-29 | 2019-05-29 | A kind of tunnel ventilation experimental provision with discharge flue |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673321U (en) * | 2011-06-29 | 2013-01-16 | 长安大学 | Novel ventilation experimental model for road tunnel |
| CN204691779U (en) * | 2015-03-09 | 2015-10-07 | 中铁第一勘察设计院集团有限公司 | One is taken precautions against natural calamities type railway bidirectional tunnel structure |
| CN105971626A (en) * | 2016-05-23 | 2016-09-28 | 浙江省交通规划设计研究院 | Double-track tunnel provided with vertical shaft smoke discharge and ventilation combined and complemented system |
| CN106948854A (en) * | 2017-04-12 | 2017-07-14 | 合肥工业大学 | Tunnel ventilation smoke evacuation system and tunnel ventilation smoke exhaust method |
| CN207332927U (en) * | 2017-09-15 | 2018-05-08 | 长安大学 | A kind of half horizontal air-exhaust type tunnel ventilation test device applied to vcehicular tunnel |
| CN108952788A (en) * | 2018-08-16 | 2018-12-07 | 中国安全生产科学研究院 | A kind of method of underground station train fire ventilation smoke exhaust |
| CN109252885A (en) * | 2018-10-25 | 2019-01-22 | 中国安全生产科学研究院 | A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method |
-
2019
- 2019-05-29 CN CN201910460050.0A patent/CN110107333A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673321U (en) * | 2011-06-29 | 2013-01-16 | 长安大学 | Novel ventilation experimental model for road tunnel |
| CN204691779U (en) * | 2015-03-09 | 2015-10-07 | 中铁第一勘察设计院集团有限公司 | One is taken precautions against natural calamities type railway bidirectional tunnel structure |
| CN105971626A (en) * | 2016-05-23 | 2016-09-28 | 浙江省交通规划设计研究院 | Double-track tunnel provided with vertical shaft smoke discharge and ventilation combined and complemented system |
| CN106948854A (en) * | 2017-04-12 | 2017-07-14 | 合肥工业大学 | Tunnel ventilation smoke evacuation system and tunnel ventilation smoke exhaust method |
| CN207332927U (en) * | 2017-09-15 | 2018-05-08 | 长安大学 | A kind of half horizontal air-exhaust type tunnel ventilation test device applied to vcehicular tunnel |
| CN108952788A (en) * | 2018-08-16 | 2018-12-07 | 中国安全生产科学研究院 | A kind of method of underground station train fire ventilation smoke exhaust |
| CN109252885A (en) * | 2018-10-25 | 2019-01-22 | 中国安全生产科学研究院 | A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method |
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Application publication date: 20190809 |