CN203925558U - The short interval ventilation smoke exhaust structure of subway - Google Patents
The short interval ventilation smoke exhaust structure of subway Download PDFInfo
- Publication number
- CN203925558U CN203925558U CN201420338973.1U CN201420338973U CN203925558U CN 203925558 U CN203925558 U CN 203925558U CN 201420338973 U CN201420338973 U CN 201420338973U CN 203925558 U CN203925558 U CN 203925558U
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- Prior art keywords
- interval
- line
- smoke
- tunnels
- short interval
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- 239000000779 smoke Substances 0.000 title claims abstract description 105
- 238000009423 ventilation Methods 0.000 title claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000003517 fume Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to the short interval ventilation smoke exhaust structure of a kind of subway, comprises single partition wall, interval ventilating shaft and smoke vent; Described single partition wall is located at the centre at short interval parking line place, short interval is laterally divided into the interval and right line of left line interval; Interval ventilating shaft is located at the middle part in short interval, in interval ventilating shaft, is provided with ventilating apparatus for tunnels; Left line top interval and right line interval is respectively equipped with a smoke vent, described in each, smoke vent is communicated with by contact air channel with the thermal wind exhausting equipment of short interval last station right-hand member and a rear station left end respectively, and described smoke vent is communicated with by contact air channel with described ventilating apparatus for tunnels.Top interval at left line and right line interval arranges smoke vent, and interval fire scenario is reduced to a kind of.The short interval ventilation smoke exhaust structure of described subway is affecting that running tunnel is normal, Fire Ventilation in the situation that, interval fire scenario divided more succinct, and operator scheme is relatively simple, and smoke discharging effect is better, is easy to construction, is conducive to effectively carrying out of system.
Description
Technical field
The utility model relates to a kind of tunnel smoke discharging structure, relates in particular to the short interval ventilation smoke exhaust structure of a kind of subway.
Background technology
At present, domestic subway line has occurred that some length are provided with the novel short interval of parking line 600～800 meters of left and right, and the existence of parking line has caused two connections of main track tunnels, tunnel cross-sections to become large, has affected the air distribution of interval accident conditions.For the interval that is provided with parking line, it is larger that left and right line is communicated with area, and for strengthening normal and emergency ventilation effect, conventional measure is in distribution area, to add partition wall and secondary ventilation facility.About partition wall, conventionally there is the form that arranges of single partition wall, two partition wall and three partition walls; About secondary ventilation facility, conventionally need jet blower be set at parking line place, or termination arranges nozzle or jet blower AT STATION.
Yet, when shuttle train breaking out of fire, if adopt conventional longitudinal smoke evacuation measure, there are two shortcomings: the first, because distribution area is communicated with, generally need jet blower be set at parking line place or thrust blower fan is set in termination, and, because interval section is larger, the air quantity of tunnel blower will increase greatly, and during breaking out of fire, flue gas easily spreads.The second, the Tunnel Ventilation System at former and later two stations, short interval is as adopted conventional configuration, can cause the supporting and electromechanical equipment redundancy of civil engineering, has certain optimization space.For this novel short interval that is provided with parking line, how rational smoke discharging structure being set and taking reasonably smoke evacuation measure is a great problem of tunnel ventilation.
Therefore be necessary to design the short interval ventilation smoke exhaust structure of a kind of novel subway, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, provides a kind of simple in structure, implements convenient and can realize the effectively short interval ventilation smoke exhaust structure of subway of smoke evacuation.
The utility model is achieved in that
The utility model provides a kind of subway short interval ventilation smoke exhaust structure, comprises single partition wall, interval ventilating shaft and smoke vent; Described single partition wall is located at the centre at short interval parking line place, short interval is laterally divided into the interval and right line of left line interval, and wherein left line interval comprises left line main track and left parking line, and right line interval comprises right line main track and right parking line; Described interval ventilating shaft is located at the middle part in short interval, in described interval ventilating shaft, is provided with ventilating apparatus for tunnels; Described left line top interval and described right line interval is respectively equipped with a smoke vent, described in each, smoke vent is communicated with the thermal wind exhausting equipment of short interval last station right-hand member and a rear station left end by contact air channel respectively, described smoke vent is communicated with by contact air channel with described ventilating apparatus for tunnels, and the middle position of described smoke vent bottom arranges a plurality of smoke vent openings along its length.
Further, described ventilating apparatus for tunnels comprises left line ventilating apparatus for tunnels and right line ventilating apparatus for tunnels, between described left line ventilating apparatus for tunnels and described right line ventilating apparatus for tunnels, is provided with conversion air-valve.
Further, described interval ventilating shaft has left line Feng Ting and right line wind booth, and described left line wind booth is communicated with described left line is interval by two piston air-valves and contact air channel; Described right line wind booth is communicated with described right line is interval by two piston air-valves and contact air channel.
Further, the end that described smoke vent is connected with thermal wind exhausting equipment with ventilating apparatus for tunnels all arranges an electronic exhaust smoke valve, and wherein, the area of the electronic exhaust smoke valve being connected with ventilating apparatus for tunnels is not less than 6m
2, be not less than 5m with the area of the electronic exhaust smoke valve of thermal wind exhausting equipment connection
2.
Further, the cross-sectional area of described smoke vent is not less than 3m
2.
Further, a plurality of described smoke vent openings evenly arrange, and the spacing of adjacent two smoke vent openings is not more than 40m.
The utlity model has following beneficial effect:
1, by short interval parking line place, single partition wall being set, short interval is laterally divided into the interval and right line of left line interval, wherein left line interval comprises left line main track and left parking line, and right line interval comprises right line main track and right parking line.Top interval at left line and right line interval arranges smoke vent, and interval fire scenario is reduced to a kind of.When train catches fire, opened smoke-discharging equipment is discharged fume.The short interval ventilation smoke exhaust structure of described subway is affecting that running tunnel is normal, Fire Ventilation in the situation that, interval fire scenario divided more succinct, and operator scheme is relatively simple, and smoke discharging effect is better, is easy to construction, is conducive to effectively carrying out of system.
2, conventional tunnel ventilation scheme needs two ends AT STATION that ventilating apparatus for tunnels and ventilating shaft are set, the short interval ventilation smoke exhaust structure of described subway is by ventilating shaft between the setting area, middle part in short interval, in described interval ventilating shaft, establish ventilating apparatus for tunnels, can be used as last station right-hand member and a rear station left end tunnel ventilation use, the investment of having saved a ventilating shaft and corresponding ventilating apparatus for tunnels.
Accompanying drawing explanation
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 skills, 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 short interval ventilation smoke exhaust structure of subway that Fig. 1 provides for the utility model embodiment;
The structural representation of the smoke vent of the short interval ventilation smoke exhaust structure of subway that Fig. 2 provides for the utility model embodiment;
The short interval ventilation smoke exhaust structure of subway that Fig. 3 provides for the utility model embodiment is discharged fume and the schematic diagram in evacuating personnel path in train breaking out of fire.
The specific embodiment
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, rather than whole embodiment.Embodiment based in the utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
As Fig. 1 and Fig. 2, the utility model embodiment provides a kind of subway short interval ventilation smoke exhaust structure, comprise be arranged on short interval parking line place single partition wall 3, be arranged on the interval ventilating shaft 22 at short interval middle part and be arranged on two smoke vents of distribution top.
As Fig. 1 and Fig. 2, described single partition wall 3 is arranged in the middle of short interval parking line place, and short interval is laterally divided into two parts, is respectively the interval and right line of left line interval, wherein left line interval comprises left line main track 1b and left parking line 2b, and right line interval comprises right line main track 1a and right parking line 2a.So only need above the line of left and right, correspondence set up two smoke vents separately, by flue bottom smoke vent opening, flue gas be got rid of to the smoke evacuation that realizes running tunnel.
As Fig. 1 and Fig. 2, described interval ventilating shaft 22 is arranged on short interval middle part, and described interval ventilating shaft 22 is divided into two sections by short interval, be respectively the last period interval with rear one section of interval.In described interval ventilating shaft 22, be provided with ventilating apparatus for tunnels, piston air-valve, conversion air-valve 16, can be used as last station right-hand member, a rear station left end ventilating apparatus for tunnels use, by the piston air-valve in described interval ventilating shaft 22, can realize short interval and normally move Piston Ventilation, by the ventilating apparatus for tunnels in interval ventilating shaft 22 and respective valves, can realize the emergency ventilation of obstruction and fire.Described ventilating apparatus for tunnels comprises left line ventilating apparatus for tunnels 13b and right line ventilating apparatus for tunnels 13a, between described left line ventilating apparatus for tunnels 13b and described right line tunnel ventilation 13a, be provided with conversion air-valve 16, left line ventilating apparatus for tunnels 13b and right line ventilating apparatus for tunnels 13a are mutually standby by conversion air-valve 16.
As Fig. 1 and Fig. 2, described interval ventilating shaft 22 Piston Ventilations should adopt double-piston pattern, be that Piston Ventilation all should be established in corresponding left line interval and right line interval, concrete is, described interval ventilating shaft 22 has left line wind booth 21b and right line wind booth 21a, and described left line wind booth 21b is communicated with described left line is interval by two piston air-valve 14b, 15b and contact air channel 20; Described right line wind booth 21a is communicated with described right line is interval by two piston air-valve 14a, 15a and contact air channel 19.
As Fig. 1 and Fig. 2, described left line top interval and described right line interval is respectively equipped with described smoke vent, and the cross-sectional area of described smoke vent is not less than 3m
2, the last period, the smoke vent one end in interval was communicated with by contact air channel 2 with the thermal wind exhausting equipment 6 of interval last station right-hand member, by the action of thermal wind exhausting equipment 6, flue gas in smoke vent can be discharged outside wind booth 7.The last period, the smoke vent other end in interval was communicated with by contact air channel 20 with the ventilating apparatus for tunnels 13b of interval ventilating shaft 22.The last period, the corresponding interval left and right of the smoke vent line in interval set up separately, comprised smoke vent 4a, 4b.The smoke vent in interval should disconnect at middle part or separate the last period, made thermal wind exhausting equipment 6 and ventilating apparatus for tunnels 13b bear respectively the fire exhaust smoke level in last interval.Rear one section of interval smoke vent one end is communicated with by contact air channel 9 with the thermal wind exhausting equipment 10 of an interval rear station left end, by the action of thermal wind exhausting equipment 10, flue gas in smoke vent can be discharged outside wind booth 11.Rear one section of interval smoke vent other end is communicated with by contact air channel 19 with the ventilating apparatus for tunnels 13a of interval ventilating shaft 22.The rear one section of corresponding interval left and right of interval smoke vent line sets up separately, comprises smoke vent 5a, 5b.Rear one section of interval smoke vent should disconnect at middle part or separate, and makes thermal wind exhausting equipment 10 and ventilating apparatus for tunnels 13a bear respectively the fire exhaust smoke level in a rear interval.The last period, smoke vent end corresponding left line interval and the right line interval connected with thermal wind exhausting equipment 6 in interval respectively arranged electronic exhaust smoke valve 8b, a 8a, and its area is all not less than 5m
2.The last period, the smoke vent end corresponding left and right line connected with ventilating apparatus for tunnels 13b in interval respectively arranged electronic exhaust smoke valve 17b, a 17a, and its area is all not less than 6m
2.Rear one section of interval smoke vent end corresponding left and right line connected with thermal wind exhausting equipment 10 respectively arranges electronic exhaust smoke valve 11b, a 11a, and its area is all not less than 5m
2.Rear one section of interval smoke vent end corresponding left and right line connected with ventilating apparatus for tunnels 13a respectively arranges electronic exhaust smoke valve 18b, a 18a, and its area is all not less than 6m
2.
As Fig. 1 and Fig. 2, the last period, the middle position of smoke vent bottom in interval arranged a plurality of smoke vent openings 23 along its length, and a plurality of described smoke vent openings evenly arrange, and the spacing of adjacent two smoke vent openings is not more than 40m.Described smoke vent opening 23 divides and is arranged at the interval top of left and right line smoke vent, is respectively 23b, 23a.Smoke vent opening 23 sizes should be rationally definite according to smoke vent opening magnitude setting and smoke evacuation wind speed, generally the desirable 1.0m * 1.5m of smoke vent opening size.
During below to interval breaking out of fire, smoke evacuation of the present utility model path and evacuating personnel path describe:
As shown in Figure 3, wherein, 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.When train is in interval during the breaking out of fire of any position, opening ventilating apparatus for tunnels in interval ventilating shaft and the thermal wind exhausting equipment 6,10 at station, front and back discharges fume, open electronic exhaust valve 8a, 8b, 11b, 11a, 17b, 17a, 18b, 18a, closure piston air-valve 14a, 15a, 14b, 15b, close the track exhaust system of thermal wind exhausting, flue gas is inhaled into smoke vent through smoke vent opening, and pass through wind booth 7, wind booth 21, left line wind booth 21b and right line wind booth 21a discharged to ground, the equal smokeless in train both sides spreads, and personnel can carry out safe escape towards train both sides.
The utlity model has following beneficial effect: 1, by single partition wall being set at short interval parking line place, short interval is laterally divided into the interval and right line of left line interval, wherein left line interval comprises left line main track and left parking line, and right line interval comprises right line main track and right parking line.Above left line interval and right line interval, along tunnel longitudinal direction, smoke vent is set, interval fire scenario is reduced to a kind of.When train catches fire, opened smoke-discharging equipment is discharged fume.The short interval ventilation smoke exhaust structure of described subway is affecting that running tunnel is normal, Fire Ventilation in the situation that, interval fire scenario divided more succinct, and operator scheme is relatively simple, and smoke discharging effect is better, is easy to construction, is conducive to effectively carrying out of system.
2, conventional tunnel ventilation scheme needs two ends AT STATION that ventilating apparatus for tunnels and ventilating shaft are set, the short interval ventilation smoke exhaust structure of described subway is by ventilating shaft between the setting area, middle part in short interval, in described interval ventilating shaft, establish ventilating apparatus for tunnels, can be used as last station right-hand member and a rear station left end tunnel ventilation use, the investment of having saved a ventilating shaft and corresponding ventilating apparatus for tunnels.
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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the short interval ventilation smoke exhaust structure of subway, is characterized in that, comprises single partition wall, interval ventilating shaft and smoke vent;
Described single partition wall is located at the centre at short interval parking line place, short interval is laterally divided into the interval and right line of left line interval, and wherein left line interval comprises left line main track and left parking line, and right line interval comprises right line main track and right parking line;
Described interval ventilating shaft is located at the middle part in short interval, in described interval ventilating shaft, is provided with ventilating apparatus for tunnels;
Described left line top interval and described right line interval is respectively equipped with a smoke vent, described in each, smoke vent is communicated with the thermal wind exhausting equipment of short interval last station right-hand member and a rear station left end by contact air channel respectively, described smoke vent is communicated with by contact air channel with described ventilating apparatus for tunnels, and the middle position of described smoke vent bottom arranges a plurality of smoke vent openings along its length.
2. the short interval ventilation smoke exhaust structure of subway as claimed in claim 1, it is characterized in that: described ventilating apparatus for tunnels comprises left line ventilating apparatus for tunnels and right line ventilating apparatus for tunnels, between described left line ventilating apparatus for tunnels and described right line ventilating apparatus for tunnels, be provided with conversion air-valve.
3. the short interval ventilation smoke exhaust structure of subway as claimed in claim 1, is characterized in that: described interval ventilating shaft has left line Feng Ting and right line wind booth, and described left line wind booth is communicated with described left line is interval by two piston air-valves and contact air channel; Described right line wind booth is communicated with described right line is interval by two piston air-valves and contact air channel.
4. the short interval ventilation smoke exhaust structure of subway as claimed in claim 1, it is characterized in that: the end that described smoke vent is connected with thermal wind exhausting equipment with ventilating apparatus for tunnels all arranges an electronic exhaust smoke valve, the area of the electronic exhaust smoke valve wherein, being connected with ventilating apparatus for tunnels is not less than 6m
2, be not less than 5m with the area of the electronic exhaust smoke valve of thermal wind exhausting equipment connection
2.
5. the short interval ventilation smoke exhaust structure of subway as claimed in claim 1, is characterized in that: the cross-sectional area of described smoke vent is not less than 3m
2.
6. the short interval ventilation smoke exhaust structure of subway as claimed in claim 1, is characterized in that: a plurality of described smoke vent openings evenly arrange, and the spacing of adjacent two smoke vent openings is not more than 40m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338973.1U CN203925558U (en) | 2014-06-24 | 2014-06-24 | The short interval ventilation smoke exhaust structure of subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338973.1U CN203925558U (en) | 2014-06-24 | 2014-06-24 | The short interval ventilation smoke exhaust structure of subway |
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| Publication Number | Publication Date |
|---|---|
| CN203925558U true CN203925558U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420338973.1U Expired - Lifetime CN203925558U (en) | 2014-06-24 | 2014-06-24 | The short interval ventilation smoke exhaust structure of subway |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108343459A (en) * | 2018-01-16 | 2018-07-31 | 浙江工业大学 | It is a kind of can be to the ventilation inclined shaft of double track tunnel supply and exhaust |
| CN108590729A (en) * | 2018-03-12 | 2018-09-28 | 中铁第四勘察设计院集团有限公司 | A kind of high hermetic type smoke outlet device |
| 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 |
| CN112816234A (en) * | 2021-01-05 | 2021-05-18 | 应急管理部四川消防研究所 | Smoke discharge performance test method for subway distribution interval smoke discharge system |
| CN112983527A (en) * | 2021-03-30 | 2021-06-18 | 中国安全生产科学研究院 | Integrated station tunnel ventilation system and smoke exhaust method thereof |
-
2014
- 2014-06-24 CN CN201420338973.1U patent/CN203925558U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049905A (en) * | 2017-11-03 | 2018-05-18 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108049905B (en) * | 2017-11-03 | 2019-04-16 | 中国安全生产科学研究院 | A kind of totally-enclosed gate underground station platform fire ventilation smoke exhaust method of subway |
| CN108343459A (en) * | 2018-01-16 | 2018-07-31 | 浙江工业大学 | It is a kind of can be to the ventilation inclined shaft of double track tunnel supply and exhaust |
| CN108343459B (en) * | 2018-01-16 | 2019-08-06 | 浙江工业大学 | It is a kind of can ventilation inclined shaft to double track tunnel supply and exhaust |
| CN108590729A (en) * | 2018-03-12 | 2018-09-28 | 中铁第四勘察设计院集团有限公司 | A kind of high hermetic type smoke outlet device |
| 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 |
| CN112816234A (en) * | 2021-01-05 | 2021-05-18 | 应急管理部四川消防研究所 | Smoke discharge performance test method for subway distribution interval smoke discharge system |
| CN112983527A (en) * | 2021-03-30 | 2021-06-18 | 中国安全生产科学研究院 | Integrated station tunnel ventilation system and smoke exhaust method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |