CN203925559U - Overlength Subway Tunnel ventilation smoke exhaust structure - Google Patents
Overlength Subway Tunnel ventilation smoke exhaust structure Download PDFInfo
- Publication number
- CN203925559U CN203925559U CN201420339159.1U CN201420339159U CN203925559U CN 203925559 U CN203925559 U CN 203925559U CN 201420339159 U CN201420339159 U CN 201420339159U CN 203925559 U CN203925559 U CN 203925559U
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- Prior art keywords
- air channel
- subway tunnel
- longitudinal air
- overlength
- smoke exhaust
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- 239000000779 smoke Substances 0.000 title claims abstract description 55
- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 239000003643 water by type Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003517 fume Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010021133 Hypoventilation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Ventilation (AREA)
Abstract
The utility model relates to a kind of overlength Subway Tunnel ventilation smoke exhaust structure, comprises longitudinal air channel and interval ventilating shaft; Described longitudinal air channel is longitudinally arranged in side Huo and the end face of Subway Tunnel, middle part, described longitudinal air channel is provided with the multiple electronic smoke evacuation air-valve being communicated with Subway Tunnel, one end, described longitudinal air channel is communicated with the wind booth of described interval ventilating shaft by contact air channel, and the other end is communicated with the ground wind booth of being arranged on of one end, station by contact air channel; Described interval ventilating shaft is arranged on Subway Tunnel, and described Subway Tunnel is divided into two sections of intervals, is respectively between location, longitudinal air channel and does not arrange between location, longitudinal air channel; Described overlength Subway Tunnel ventilation smoke exhaust structure is by the setting of the longitudinal air channel of combination and interval ventilating shaft, and simple in structure, smoke discharging effect is good, is applicable to run through the overlength subway tunnel in waters.
Description
Technical field
The utility model relates to a kind of ventilation smoke exhaust structure for subway sectional tunnel, relates in particular to a kind of overlength Subway Tunnel ventilation smoke exhaust structure.
Background technology
For the subway line of some leap rivers, often there is more interval, river, compared with general Subway Tunnel, more the interval rate of traffic flow in river is large, interval long (length is more than 2.5km, and the minimum that exceedes driving is followed the trail of spacing 1800m), the possibility that more exists many trains simultaneously to move in interval, river, evacuating personnel difficulty is larger, and the anti-smoke exhaust that therefore subway is got over interval, river seems particularly important.
At present, about the anti-smoke evacuation foundation of the interval ventilation of growing up be: in the time of normal operation, while existing two row or the above train of two row to move in the same way between two seat coach stations in underground interval simultaneously, should control flow of flue gas and make non-fire train in nonsmoking section.Conventionally way is: adopt segmentation longitudinal ventilation or adopt horizontal fume exhausting type.Transverse row mouth quantity is many, and inleakage is larger, and control point is many, and control model relative complex does not substantially adopt at present in subway tunnel.
In the time that siding-to-siding block length is followed the trail of distance (being generally 1800m) between one times with twice train in rush hour is minimum, generally, by ventilating shaft arrange at least one in interval in the middle of, make each ventilation section only have a train operation.For crossing over rivers and lakes subway line, if middle part does not possess, middle ventilating shaft condition is set, also can take middle part that the mode of central exhaust mouth is set.Because length of tunnel is not to grow very much (between 1800m≤length L EssT.LTssT.LT 3600m), middle part does not arrange piston vent, and the temperature in running tunnel and resh air requirement also can meet code requirement.
But, for longer (>=2 times of minimum distances of following the trail of of siding-to-siding block length, i.e. conventionally >=3600m) and interval unconditionally arranges middle ventilating shaft or magnitude setting has in limited time, for example, for the subway tunnel that runs through waters (as river), interval center top does not allow to offer ventilating shaft or only allows to offer ventilating shaft at the interval section top, non-waters near station, interval ventilation section can be more, and new wind demand can be larger, and in tunnel, temperature control meeting is stricter.How taking effective ventilation smoke exhaust structure to make to grow up, interval temperature, resh air requirement and anti-smoke evacuation meet the demands is simultaneously the difficult problem that current overlength running tunnel ventilates.
In order to solve (>=2 times of minimum distances of following the trail of, i.e. conventionally >=3600m) the tunnel ventilation difficult problem in this type of overlength interval, the utility model proposes a kind of overlength Subway Tunnel ventilation smoke exhaust structure.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of overlength Subway Tunnel ventilation smoke exhaust structure that is applicable to run through waters is provided.
The utility model is achieved in that
The utility model provides a kind of overlength Subway Tunnel ventilation smoke exhaust structure, comprises longitudinal air channel and interval ventilating shaft; Described longitudinal air channel is longitudinally arranged in side Huo and the end face of Subway Tunnel, middle part, described longitudinal air channel is provided with the multiple electronic smoke evacuation air-valve being communicated with Subway Tunnel, one end, described longitudinal air channel is communicated with the wind booth of described interval ventilating shaft by contact air channel, and the other end is communicated with the ground wind booth of being arranged on of one end, station by contact air channel; Described interval ventilating shaft is arranged on Subway Tunnel, and described Subway Tunnel is divided into two sections of intervals, is respectively between location, longitudinal air channel and does not arrange between location, longitudinal air channel; When between location, described longitudinal air channel when breaking out of fire, the electronic smoke evacuation air-valve that middle part, described longitudinal air channel arranges is opened, by the fume extractor that is arranged on interval ventilating shaft and station, fire smoke is guided in contact air channel through described longitudinal air channel, and pass through wind booth discharged to ground; When described when breaking out of fire is not set between location, longitudinal air channel, by being arranged in interval ventilating shaft and the fume extractor at station guides to fire smoke in contact air channel, and by wind booth discharged to ground.
Further, the vertical section in described longitudinal air channel is long-pending is not less than 12 square metres.
Further, the length between location, described longitudinal air channel is greater than the minimum distance of following the trail of of train in rush hour, and rush hour, the minimum tracking distance of train was 1800m.
Further, the described length not arranging between location, longitudinal air channel is less than the minimum distance of following the trail of of train in rush hour, and rush hour, the minimum tracking distance of train was 1800m.
Further, described Subway Tunnel is equipped with electric assembling air-valve with the position that contact air channel is communicated with.
Further, the quantity of the ventilating shaft of described interval ventilating shaft and end, station is two, and the up and down line setting of corresponding running tunnel respectively.
Further, longitudinally the tunnel cross-section between location, air channel is single hole two-wire shield structure section, wherein, is provided with mid-board between up and down line.
The utlity model has following beneficial effect:
Described interval ventilating shaft is arranged on Subway Tunnel, and described Subway Tunnel is divided into two sections of intervals, is respectively between location, longitudinal air channel and does not arrange between location, longitudinal air channel; When between location, described longitudinal air channel when breaking out of fire, the electronic smoke evacuation air-valve that middle part, described longitudinal air channel arranges is opened, by the fume extractor that is arranged on interval ventilating shaft and station, fire smoke is guided in contact air channel through described longitudinal air channel, and pass through wind booth discharged to ground; When described when breaking out of fire is not set between location, longitudinal air channel, by being arranged in interval ventilating shaft and the fume extractor at station guides to fire smoke in contact air channel, and by wind booth discharged to ground.The overlength Subway Tunnel that described overlength Subway Tunnel ventilation smoke exhaust structure realizes running through waters by said structure carries out ventilation smoke exhaust, and structure is also comparatively simple.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the overlength Subway Tunnel ventilation smoke exhaust structure that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the 1-1 generalized section in Fig. 1;
Fig. 3 is the 2-2 generalized section in Fig. 1;
The use status architecture schematic diagram of the overlength Subway Tunnel ventilation smoke exhaust structure that Fig. 4 provides for the utility model embodiment;
Between location, longitudinal air channel, there is the structural representation of tailstock fire in the subway train that Fig. 5 provides for the utility model embodiment;
Fig. 6 is not arranging the structural representation that tailstock fire occurs between location, longitudinal air channel for the subway train that the utility model embodiment provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, all other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
As shown in Figure 1 to Figure 4, the utility model embodiment provides a kind of overlength Subway Tunnel ventilation smoke exhaust structure, comprises longitudinal air channel 1 and interval ventilating shaft 11.Described longitudinal air channel 1 is longitudinally arranged in side Huo and the end face of Subway Tunnel, and the vertical section in described longitudinal air channel 1 amasss and is not less than 12 square metres.Described interval ventilating shaft 11 is arranged on Subway Tunnel, and described Subway Tunnel is divided into two sections of intervals, is respectively between location, longitudinal air channel and does not arrange between location, longitudinal air channel.
As shown in Figure 1 to Figure 4, described interval ventilating shaft 11 the insides be provided with contact air channel 3a, 3b, 3c, 3d, the piston air-valve of the Electric air valve, connecting section and wind booth 8a, the 8b that are connected with described longitudinal air channel 1.Described piston air-valve is double makees mechanical air-valve, for being communicated with fume extractor, interval and wind booth 8a, 8b.Described wind booth 8a, 8b are communicated with interval left and right line by contact air channel 3a, 3b respectively.Described Subway Tunnel is equipped with electric assembling air-valve with the position that contact air channel is communicated with, and described electric assembling air-valve can directly be got in touch with in air channel described in fire smoke suction, and passes through described wind booth discharged to ground, thereby increases smoke discharging effect.Described electric assembling air-valve comprises the electric assembling air-valve 4a on the contact air channel 3c that is located at left line fume extractor 7a and longitudinal air channel 1 and is located at the electric assembling air-valve 4b on the contact air channel 3d in right line fume extractor 7b and longitudinal air channel 1.Described piston air-valve comprises the piston air-valve 5b, the 6b that are communicated with piston air-valve 5a, the 6a of left line interval and left line wind booth 8a and are communicated with right line interval and right line wind booth 8b.Described fume extractor comprises the fume extractor 7a, the 7b that serve respectively left line, right line interval, and wherein fume extractor 7a, 7b realize function for subsequent use mutually by Electric air valve 9.Wherein, the Piston Ventilation in tunnel when described piston air-valve can also be realized train and normally moves, thereby reduce interval temperature, and improve interval in resh air requirement.Described fume extractor can accelerate flowing of air-flow, thereby increases smoke discharging effect, and described fume extractor all has measure for subsequent use, the further reliability of raising smoke evacuation.
As shown in Figure 1 to Figure 4,1 middle part, described longitudinal air channel is provided with the multiple electronic smoke evacuation air-valve 2a, 2b, 2c, the 2d that are communicated with Subway Tunnel, 1 one end, described longitudinal air channel is communicated with wind booth 8a, the 8b of described interval ventilating shaft 11 by contact air channel 3a, 3b, 3c, 3d, and the other end is communicated with the ground wind booth of being arranged on of one end, station by contact air channel 3a, 3b, 3c, 3d.Length between location, described longitudinal air channel is greater than the minimum distance of following the trail of of train in rush hour, the described length not arranging between location, longitudinal air channel is less than the minimum distance of following the trail of of train in rush hour, wherein, rush hour train minimum follow the trail of distance and be generally 1800m.For ensureing longitudinal air channel area requirements, the tunnel cross-section between location, described longitudinal air channel is generally single hole two-wire shield structure section, and wherein, up and down line separated by mid-board between (also claiming left and right line).The described tunnel cross-section not arranging between location, longitudinal air channel adopts shield method, cut and cover method or mining method construction.
As shown in Figure 1, when between location, 1800m≤described longitudinal air channel when length L EssT.LTssT.LT 3600m, only need one electronic smoke evacuation air-valve be respectively set at corresponding left and right, 1 middle part, described longitudinal air channel line, described longitudinal air channel is divided into two ventilation sections between location, and whole overlength Subway Tunnel is divided into three ventilation sections.When between 1 location, 3600m≤described longitudinal air channel when length L EssT.LTssT.LT 5400m, in corresponding left and right, 1 middle part, described longitudinal air channel, line respectively arranges two electronic smoke evacuation air-valves, described longitudinal air channel is divided into three ventilation sections between location, and whole overlength Subway Tunnel is divided into four ventilation sections.The like.For ensureing between location, described longitudinal air channel that resh air requirement and temperature meet the demands, between location, described longitudinal air channel, length is unsuitable long, in the time of normal operation, when between location, described longitudinal air channel, resh air requirement and temperature can not meet the demands, should set up again interval ventilating shaft at interval suitable position, increase interval resh air requirement.If when interval does not allow to arrange, should adopt mechanical ventilation mode.
As shown in Figure 1 to Figure 4, when between location, described longitudinal air channel when breaking out of fire, the electronic smoke evacuation air-valve that middle part, described longitudinal air channel arranges is opened, by the fume extractor that is arranged on interval ventilating shaft 11 and station, fire smoke is guided in contact air channel through described longitudinal air channel, and pass through wind booth discharged to ground; When described when breaking out of fire is not set between location, longitudinal air channel, by being arranged in interval ventilating shaft 11 and the fume extractor at station guides to fire smoke in contact air channel, and by wind booth discharged to ground.In addition, for ensureing that temperature and resh air requirement between location, described longitudinal air channel meet the demands, the interval ventilating shaft 11 being connected with described longitudinal air channel 1 and the ventilating shaft of end, station all should be taked two ventilating shaft patterns, be that quantity is two, corresponding running tunnel up and down line is respectively established a ventilating shaft respectively, for Piston Ventilation.
In Fig. 5 and Fig. 6, the thick arrow that black is filled represents the direction of traffic of subway train, and thin arrow represents evacuating personnel direction, and hollow arrow represents airflow direction." √ " represents valve opening, and "×" represents valve closing.Smoke evacuation and evacuating personnel situation are illustrated to breaking out of fire between location, described longitudinal air channel and when breaking out of fire is not set between location, longitudinal air channel below:
As Fig. 5, when between location, described longitudinal air channel between right line electronic smoke evacuation air-valve 2b and 2d when the breaking out of fire of the district train tailstock, open the electronic smoke evacuation air-valve 2b that middle part, described longitudinal air channel arranges, the fume extractor 7b in the tunnel blower room 10 by being arranged on interval ventilating shaft 11 and previous station right-hand member guides to fire smoke in the contact air channel 3d in interval ventilating shaft 11 and tunnel blower room 10 through longitudinal air channel 1, and wind booth 8b by described interval ventilating shaft 11 and tunnel blower room 10 is discharged to ground.Meanwhile, the benefit wind in tunnel when ensureing that occluded segment vehicle air conditioning runs well and ensures fire, moves the fume extractor (7a and 7b move simultaneously) in tunnel blower room 12 of a rear station left end, and it is blown to right threaded list road.Like this, fire and obstruction row occupant all evacuate in face of new wind direction, thereby have avoided the impact of fire smoke on Subway Tunnel evacuating personnel.
As Fig. 6, in the time that the breaking out of fire of right alignment headstock portion is not set between location, longitudinal air channel, the fume extractor (fume extractor 7a and 7b move simultaneously) in the tunnel blower room 12 by being arranged on a rear station left end guides to fire smoke in the contact air channel 3b in tunnel blower room 12 through interval, and by described wind booth discharged to ground.Meanwhile, the benefit wind in tunnel when ensureing that occluded segment vehicle air conditioning runs well and ensures fire, fume extractor 7(7a and the 7b in tunnel blower room 10 of previous station right-hand member of moving moves simultaneously), it is blown to right threaded list road.Like this, fire and obstruction row occupant all evacuate in face of new wind direction, thereby have avoided the impact of fire smoke on Subway Tunnel evacuating personnel.
To sum up, the overlength Subway Tunnel ventilation smoke exhaust structure that the utility model provides is applicable to the Super Long Tunnel of siding-to-siding block length >=3600m, a limited number of overlength cross-river tunnels of ventilating shaft in the middle of being specially adapted to arrange.Described overlength Subway Tunnel ventilation smoke exhaust structure is by the setting of the longitudinal air channel of combination and interval ventilating shaft, and simple in structure, smoke discharging effect is good, is applicable to run through the overlength subway tunnel in waters.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. an overlength Subway Tunnel ventilation smoke exhaust structure, is characterized in that, comprises longitudinal air channel and interval ventilating shaft;
Described longitudinal air channel is longitudinally arranged in side Huo and the end face of Subway Tunnel, middle part, described longitudinal air channel is provided with the multiple electronic smoke evacuation air-valve being communicated with Subway Tunnel, one end, described longitudinal air channel is communicated with the wind booth of described interval ventilating shaft by contact air channel, and the other end is communicated with the ground wind booth of being arranged on of one end, station by contact air channel;
Described interval ventilating shaft is arranged on Subway Tunnel, and described Subway Tunnel is divided into two sections of intervals, is respectively between location, longitudinal air channel and does not arrange between location, longitudinal air channel.
2. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: the vertical section in described longitudinal air channel amasss and is not less than 12 square metres.
3. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: the length between location, described longitudinal air channel is greater than the minimum distance of following the trail of of train in rush hour, and rush hour, the minimum tracking distance of train was 1800m.
4. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: the described length not arranging between location, longitudinal air channel is less than the minimum distance of following the trail of of train in rush hour, and rush hour, the minimum tracking distance of train was 1800m.
5. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: described Subway Tunnel is equipped with electric assembling air-valve with the position that contact air channel is communicated with.
6. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: the quantity of the ventilating shaft of described interval ventilating shaft and end, station is two, and the up and down line setting of corresponding running tunnel respectively.
7. overlength Subway Tunnel ventilation smoke exhaust structure as claimed in claim 1, is characterized in that: the tunnel cross-section between location, described longitudinal air channel is single hole two-wire shield structure section, wherein, is provided with mid-board between up and down line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339159.1U CN203925559U (en) | 2014-06-24 | 2014-06-24 | Overlength Subway Tunnel ventilation smoke exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339159.1U CN203925559U (en) | 2014-06-24 | 2014-06-24 | Overlength Subway Tunnel ventilation smoke exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925559U true CN203925559U (en) | 2014-11-05 |
Family
ID=51821388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339159.1U Expired - Lifetime CN203925559U (en) | 2014-06-24 | 2014-06-24 | Overlength Subway Tunnel ventilation smoke exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035759A (en) * | 2017-12-27 | 2018-05-15 | 中国安全生产科学研究院 | A kind of underground railway tunnel fire ventilation smoke extraction system and method |
| 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 |
| CN111764948A (en) * | 2020-07-28 | 2020-10-13 | 重庆交通大学 | Highway tunnel crowd disaster prevention system |
-
2014
- 2014-06-24 CN CN201420339159.1U patent/CN203925559U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035759A (en) * | 2017-12-27 | 2018-05-15 | 中国安全生产科学研究院 | A kind of underground railway tunnel fire ventilation smoke extraction system and method |
| CN108035759B (en) * | 2017-12-27 | 2023-09-29 | 中国安全生产科学研究院 | Subway interval tunnel fire ventilation and smoke exhaust system and method |
| 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 |
| CN111764948A (en) * | 2020-07-28 | 2020-10-13 | 重庆交通大学 | Highway tunnel crowd disaster prevention system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |