CN206312489U - A kind of underground interval tunnel fire test device containing service channel - Google Patents
A kind of underground interval tunnel fire test device containing service channel Download PDFInfo
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- CN206312489U CN206312489U CN201621038324.5U CN201621038324U CN206312489U CN 206312489 U CN206312489 U CN 206312489U CN 201621038324 U CN201621038324 U CN 201621038324U CN 206312489 U CN206312489 U CN 206312489U
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model is related to fire test technical field, more particularly to a kind of underground interval tunnel fire test device containing service channel.The fire test device includes the first tunnel, the second tunnel and service channel, the two ends of wherein described service channel are connected with the first described tunnel, the second tunnel respectively, some top portion ventilations mouthful are respectively equipped with the top of first tunnel and second tunnel, smoke exhaust fan is provided with each top portion ventilation mouth, or some jet blowers are respectively equipped with the top of first tunnel and second tunnel.The interval of the underground containing the service channel tunnel fire test device that the utility model is provided, by the foundation to two kinds of different ventilation experiment patterns and test operation, the fire smoke being obtained in that in tunnel spreads rule, fire smoke can effectively be suppressed another tunnel is spread to from a tunnel by service channel, be that in emergency circumstances safety evacuation creates safe path.
Description
Technical field
The utility model is related to fire test technical field, more particularly to a kind of underground running tunnel fire containing service channel
Calamity experimental rig.
Background technology
Service channel is widely present in subway sectional tunnel, the two-way vcehicular tunnel in single hole, the unidirectional vcehicular tunnel in double holes, seabed
In the underground structures such as tunnel, when the sudden accident such as there is fire, water burst in tunnel, collapse, personnel can be by contact
Passage is transferred quickly in another tunnel, while rescue personnel can implement to rescue by service channel.
For for the service channel of subway and most of vcehicular tunnel is built, service channel and the direct phase in main tunnel
Logical, when a tunnel occurs fire incident, flame and fire smoke can spread to another tunnel by service channel, and this is to people
Member's escape, fire-fighting and rescue and its unfavorable, thus by under one tunnel fire hazard situation of experimental study by service channel to another
The influence in bar tunnel is particularly important, and the research can provide foundation for the design of the ventilation smoke exhaust in tunnel, and set up optimal ventilation
Smoke evacuation numerical model.
Currently, many scholars simulate related operating mode by CFD numerical simulation softwares both at home and abroad, fiery under itself and true environment
The goodness of fit that calamity spreads rule is still to be tested.Separately having many scholars has carried out small-scale model experiment, and its air vent mode is mostly selected
Longitudinal ventilation pattern is selected, this top air draft used with tunnel in real engineering and jet blower air draft have larger difference, and
And research to the blower ventilation model selection of diverse location under different fire workings is less.And existing tunnel ventilation row
Cigarette pattern has the disadvantage that：Tunnel ventilation pattern is more single, it is impossible to carry out classification treatment to specific fire working；Ventilation side
Shadow of the parameters such as formula, wind speed size, fire location, burning things which may cause a fire disaster size, ventilating opening relative position to tunnel fire disaster fume control effect
Ring research more single, various factors coupling model waits to set up；In addition top portion ventilation and jet blower ventilation applicable elements with
And not yet have further investigation for the contrast of Fire Smoke Control effect.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to provide a kind of underground interval tunnel fire test device containing service channel, solves one
Bar tunnel occur fire incident when, flame and fire smoke spread to another tunnel by service channel, so as to personnel escape,
Fire-fighting and rescue causes unfavorable problem.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of underground interval tunnel fire hazard containing service channel
Experimental rig, including the first tunnel, the second tunnel and service channel, wherein the two ends of the service channel respectively with it is described
First tunnel, the second tunnel are connected；
Some top portion ventilations mouthful are respectively equipped with the top of first tunnel and second tunnel, at each top
Smoke exhaust fan is provided with ventilating opening；Or it is respectively equipped with some jet wind at the top of first tunnel and second tunnel
Machine.
Further, it is provided with burning things which may cause a fire disaster on the bottom ground in first tunnel or second tunnel.
Specifically, first tunnel and second tunnel are cylindrical concrete duct；The service channel is length
Cube structure passage, the service channel is made of color steel.
Specifically, the service channel is provided with sandwich, and rock wool is provided with the sandwich.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that：
The interval of the underground containing the service channel tunnel fire test device that the utility model is provided, in the first tunnel and second
Arrange that smoke exhaust fan sets up top portion ventilation test model in tunnel, or arrange that jet blower is built in the first tunnel and the second tunnel
Fire flow fan ventilation experiment pattern from a standing position, foundation and test operation by two kinds of different ventilation experiment patterns are obtained in that tunnel
Interior fire smoke spreads rule, can effectively suppress fire smoke and spread to another tunnel from a tunnel by service channel
Road, is that in emergency circumstances safety evacuation creates safe path.
Brief description of the drawings
Fig. 1 is the transverse cutting of the underground interval tunnel fire test device containing service channel in the utility model embodiment one
Face schematic diagram；
Fig. 2 is the vertical view knot of the underground interval tunnel fire test device containing service channel in the utility model embodiment one
Composition；
Fig. 3 is the transverse cutting of the underground interval tunnel fire test device containing service channel in the utility model embodiment two
Face schematic diagram；
Fig. 4 is the vertical view knot of the underground interval tunnel fire test device containing service channel in the utility model embodiment two
Composition.
In figure：1：First tunnel；2：Second tunnel；3：Service channel；4A：Top portion ventilation mouthful；4B：Jet blower；5：Fire
Source.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
Embodiment one
As shown in Figure 1-2, the utility model embodiment provides a kind of underground interval tunnel fire test containing service channel
Device, the fire test device can be according to the 1 of tunnel actual size:5 carry out scaled down, and the fire test device includes
First tunnel 1, the second tunnel 2 and service channel 3, the two ends of the service channel 3 respectively with the first described tunnel 1,
Two tunnels 2 are connected.Wherein described the first tunnel 1 and the second tunnel 2 be arranged in parallel, and the service channel 3 is respectively perpendicular to
The tunnel 2 of first tunnel 1 and second.
Some top portion ventilation mouthful 4A are respectively equipped with the top in first tunnel 1 and second tunnel 2, each described
Smoke exhaust fan is provided with top portion ventilation mouthful 4A, wherein each smoke exhaust fan is capable of achieving independent VFC.
In the present embodiment, the two ends in first tunnel 1 are respectively provided with a top portion ventilation mouthful 4A, described second
The two ends in tunnel 2 are respectively provided with a top portion ventilation mouthful 4A.
In the present embodiment, first tunnel 1 and second tunnel 2 are cylindrical structural pipeline, described first
It is the concrete duct of 1.2m that tunnel 1 and second tunnel 2 use internal diameter, and tubing wall thickness is set to 12cm.The contact is logical
Road 3 is set to 1.4m long, the rectangular structure passage of 0.5m wide, 0.96m high, and the service channel 3 uses the thick color steel of 10cm
Plate is made.Sandwich is additionally provided with the service channel 3, rock wool is provided with the sandwich.Certainly, first tunnel
1st, the length in second tunnel 2 can be adjusted according to experiment demand.
Additionally, being provided with burning things which may cause a fire disaster 5 on the bottom ground in first tunnel 1 or second tunnel 2.In the present embodiment
The burning things which may cause a fire disaster 5 is arranged in first tunnel 1.
By the underground interval tunnel fire test device containing service channel described in the present embodiment tested it is specific
Step includes：
Top portion ventilation pattern is simulated during smoke exhaust fan is arranged in into the first tunnel and the second tunnel；
During burning things which may cause a fire disaster is positioned over into the first tunnel or the second tunnel, simulation tunnel firing condition；
The flue gas characteristic data obtained in the first tunnel, the second tunnel and service channel are measured by flue gas analyzer,
The flue gas characteristic data include smoke particle concentration, combustable gas concentration, concentration of toxic gases and oxygen concentration；
The visibility data obtained in the first tunnel, the second tunnel and service channel are measured by visibility meter；
The temperature field data obtained in the first tunnel, the second tunnel and service channel, and root are measured by thermocouple beam
Thermo parameters method cloud atlas is drawn according to the temperature field data for obtaining；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel, and root are measured by anemobiagraph
Wind speed control cloud charts are drawn according to the wind speed control data for obtaining.
The interval of the underground containing the service channel tunnel fire test device that the utility model is provided, by the first tunnel and
Arrange that smoke exhaust fan sets up top portion ventilation test model in second tunnel, by the foundation to top portion ventilation test model and experiment
Operation, the fire smoke being obtained in that in tunnel spreads rule, effectively suppresses fire smoke by service channel a from tunnel
Another tunnel is spread to, is the path that in emergency circumstances safety evacuation creates safety.
Embodiment two
As shown in Figure 3-4, the interval of the underground containing the service channel tunnel fire test dress that the utility model embodiment is provided
Put, including the first tunnel 1, the second tunnel 2 and service channel 3, wherein the two ends of the service channel 3 are respectively with described
One tunnel 1, the second tunnel 2 are connected.Wherein described the first tunnel 1 and the second tunnel 2 be arranged in parallel, the service channel 3
It is respectively perpendicular to the tunnel 2 of first tunnel 1 and second.
Some jet blower 4B are respectively equipped with the top in first tunnel 1 and second tunnel 2, wherein each described
Jet blower is capable of achieving independent VFC.
In the present embodiment, five groups of jet blowers are set in first tunnel 1, are also set in second tunnel 2
Five groups of jet blowers are put, wherein every group includes two jet blower 4B, and jet blower described in every group along the extension side in tunnel
To being evenly arranged.
In the present embodiment, first tunnel 1 and second tunnel 2 are cylindrical structural pipeline, described first
It is the concrete duct of 1.2m that tunnel 1 and second tunnel 2 use internal diameter, and tubing wall thickness is set to 12cm.The contact is logical
Road 3 is set to 1.4m long, the rectangular structure passage of 0.5m wide, 0.96m high, and the service channel 3 uses the thick color steel of 10cm
Plate is made.Sandwich is additionally provided with the service channel 3, rock wool is provided with the sandwich.Certainly, first tunnel
1st, the length in second tunnel 2 can be adjusted according to experiment demand.
Additionally, being provided with burning things which may cause a fire disaster 5 on the bottom ground in first tunnel 1 or second tunnel 2.In the present embodiment
The burning things which may cause a fire disaster 5 is arranged in first tunnel 1.
By the underground interval tunnel fire test device containing service channel described in the present embodiment tested it is specific
Step includes：
Jet blower air vent mode is simulated during jet blower is arranged in into the first tunnel and the second tunnel；
During burning things which may cause a fire disaster is positioned over into the first tunnel or the second tunnel, simulation tunnel firing condition；
The flue gas characteristic data obtained in the first tunnel, the second tunnel and service channel are measured by flue gas analyzer,
The flue gas characteristic data include smoke particle concentration, combustable gas concentration, concentration of toxic gases and oxygen concentration；
The visibility data obtained in the first tunnel, the second tunnel and service channel are measured by visibility meter；
The temperature field data obtained in the first tunnel, the second tunnel and service channel, and root are measured by thermocouple beam
Thermo parameters method cloud atlas is drawn according to the temperature field data for obtaining；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel, and root are measured by anemobiagraph
Wind speed control cloud charts are drawn according to the wind speed control data for obtaining.
The interval of the underground containing the service channel tunnel fire test device that the utility model is provided, by the first tunnel and
Arrange that jet blower sets up jet blower ventilation experiment pattern, builds by jet blower ventilation experiment pattern in second tunnel
Vertical and test operation, the fire smoke being obtained in that in tunnel spreads rule, effectively suppress fire smoke by service channel from
One tunnel spreads to another tunnel, is the path that in emergency circumstances safety evacuation creates safety.
Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (4)
1. a kind of underground interval tunnel fire test device containing service channel, it is characterised in that：Including the first tunnel, the second tunnel
Road and service channel, wherein the two ends of the service channel are connected with the first described tunnel, the second tunnel respectively；
Some top portion ventilations mouthful are respectively equipped with the top of first tunnel and second tunnel, in each top portion ventilation
Smoke exhaust fan is provided with mouthful；Or it is respectively equipped with some jet blowers at the top of first tunnel and second tunnel.
2. the underground interval tunnel fire test device containing service channel according to claim 1, it is characterised in that：Institute
The bottom ground for stating the first tunnel or second tunnel is provided with burning things which may cause a fire disaster.
3. the underground interval tunnel fire test device containing service channel according to claim 1, it is characterised in that：It is described
First tunnel and second tunnel are cylindrical concrete duct；The service channel is rectangular structure passage, described
Network passage is made of color steel.
4. the underground interval tunnel fire test device containing service channel according to claim 3, it is characterised in that：It is described
Service channel is provided with sandwich, and rock wool is provided with the sandwich.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038324.5U CN206312489U (en) | 2016-09-05 | 2016-09-05 | A kind of underground interval tunnel fire test device containing service channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038324.5U CN206312489U (en) | 2016-09-05 | 2016-09-05 | A kind of underground interval tunnel fire test device containing service channel |
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| Publication Number | Publication Date |
|---|---|
| CN206312489U true CN206312489U (en) | 2017-07-07 |
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| CN201621038324.5U Active CN206312489U (en) | 2016-09-05 | 2016-09-05 | A kind of underground interval tunnel fire test device containing service channel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205338A (en) * | 2016-09-05 | 2016-12-07 | 清华大学 | A kind of interval, underground tunnel fire test device and method containing service channel |
| 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 |
| WO2020000502A1 (en) * | 2018-06-29 | 2020-01-02 | 清华大学 | Fire test system and method for subway interchange tunnel |
| CN111456795A (en) * | 2020-04-14 | 2020-07-28 | 中国计量大学 | Ventilation test device for proximity continuous tunnel group and manufacturing method |
| CN112802389A (en) * | 2021-01-15 | 2021-05-14 | 武汉科技大学 | Multifunctional tunnel fire test platform with communication flue |
-
2016
- 2016-09-05 CN CN201621038324.5U patent/CN206312489U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205338A (en) * | 2016-09-05 | 2016-12-07 | 清华大学 | A kind of interval, underground tunnel fire test device and method containing service channel |
| 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 |
| WO2020000502A1 (en) * | 2018-06-29 | 2020-01-02 | 清华大学 | Fire test system and method for subway interchange tunnel |
| CN111456795A (en) * | 2020-04-14 | 2020-07-28 | 中国计量大学 | Ventilation test device for proximity continuous tunnel group and manufacturing method |
| CN111456795B (en) * | 2020-04-14 | 2021-10-19 | 中国计量大学 | Ventilation test device for proximity continuous tunnel group and manufacturing method |
| CN112802389A (en) * | 2021-01-15 | 2021-05-14 | 武汉科技大学 | Multifunctional tunnel fire test platform with communication flue |
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