CN106205338A - A kind of interval, underground tunnel fire test device and method containing service channel - Google Patents
A kind of interval, underground tunnel fire test device and method containing service channel Download PDFInfo
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- CN106205338A CN106205338A CN201610803098.3A CN201610803098A CN106205338A CN 106205338 A CN106205338 A CN 106205338A CN 201610803098 A CN201610803098 A CN 201610803098A CN 106205338 A CN106205338 A CN 106205338A
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 52
- 239000003546 flue gas Substances 0.000 claims description 52
- 238000004088 simulation Methods 0.000 claims description 14
- 238000010998 test method Methods 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002341 toxic gas Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 12
- 239000000446 fuel Substances 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The present invention relates to fire test technical field, particularly relate to a kind of interval, underground tunnel fire test device and method containing service channel.This fire test device includes the first tunnel, the second tunnel and service channel, the two ends of wherein said service channel are connected with the first described tunnel, the second tunnel respectively, it is respectively equipped with some top portion ventilation mouths at the top in described first tunnel and described second tunnel, at each described top portion ventilation mouth, it is provided with smoke exhaust fan, or is respectively equipped with some jet blowers at the top in described first tunnel and described second tunnel.Interval, the underground tunnel fire test device and method containing service channel that the present invention provides, by to the foundation of two kinds of different ventilation experiment patterns and test operation, the fire smoke being obtained in that in tunnel spreads rule, can effectively suppress fire smoke to spread to another tunnel by service channel from a tunnel, create the path of safety in emergency circumstances safety evacuation.
Description
Technical field
The present invention relates to fire test technical field, particularly relate to a kind of interval, underground tunnel fire hazard examination containing service channel
Experiment device and method.
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 hole, seabed
In the underground structures such as tunnel, a tunnel breaking out of fire, retention of excessive fluid, collapse etc. sudden accident time, personnel can be by contact
Passage is transferred quickly in another tunnel, and rescue personnel can implement rescue by service channel simultaneously.
For at the service channel building subway and major part vcehicular tunnel, service channel phase direct with main tunnel
Logical, when a tunnel breaking out of fire accident, 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 unfavorable, therefore by under one tunnel fire hazard situation of experimentation by service channel to another
The impact in bar tunnel is particularly important, and this research can be that the ventilation smoke exhaust design in tunnel provides foundation, and sets up the ventilation of optimum
Smoke number value model.
Currently, domestic and international many scholars simulate relevant operating mode by CFD numerical simulation software, itself and true environment reducing internal heat
The goodness of fit that calamity spreads rule is still to be tested.Separately having many scholars to carry out small-scale model experiment, its air vent mode mostly selects
Selecting longitudinal ventilation pattern, there is larger difference in this top air draft and jet blower air draft used with tunnel in reality engineering, and
And research to the blower ventilation model selection of diverse location is less under different fire working.And existing tunnel ventilation row
Cigarette pattern has a disadvantage in that tunnel ventilation pattern is the most single, it is impossible to specific fire working is carried out classification process；Ventilation side
Formula, wind speed size, fire location, burning things which may cause a fire disaster size, vent control the shadow of effect relative to parameters such as positions to tunnel fire disaster fume
Ringing research the most single, various factors coupling model waits to set up；In addition the applicable elements that top portion ventilation and jet blower ventilate with
And the contrast for Fire Smoke Control effect not yet has further investigation.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of interval, underground tunnel fire test device and method containing service channel, solve
Article one, during tunnel breaking out of fire accident, flame and fire smoke spread to another tunnel by service channel, thus escape personnel
Raw, fire-fighting and rescue causes disadvantageous problem.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of interval, underground tunnel fire test containing service channel
Device, including the first tunnel, the second tunnel and service channel, the two ends of wherein said service channel are respectively with described first
Tunnel, the second tunnel are connected；
It is respectively equipped with some top portion ventilation mouths, at each described top at the top in described first tunnel and described second tunnel
Smoke exhaust fan it is provided with at vent；Or it is respectively equipped with some jet wind at the top in described first tunnel and described second tunnel
Machine.
Present invention also offers a kind of interval, underground tunnel fire test method containing service channel, specifically include following step
Rapid:
Smoke exhaust fan is arranged in the first tunnel and the second tunnel simulation top portion ventilation pattern, or jet blower is arranged
Jet blower air vent mode is simulated in the first tunnel and the second tunnel；
Burning things which may cause a fire disaster is positioned in 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,
Described 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 is measured by thermocouple bundle
Thermo parameters method cloud atlas is drawn according to the temperature field data obtained；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel, and root is measured by anemobiagraph
Wind speed control cloud charts is drawn according to the wind speed control data obtained.
(3) beneficial effect
The technique scheme of the present invention has the advantage that
Interval, the underground tunnel fire test device and method containing service channel that the present invention provides, in the first tunnel and the
Two tunnels being arranged, smoke exhaust fan sets up top portion ventilation test model, or in the first tunnel and the second tunnel, arranges jet blower
Set up jet blower ventilation experiment pattern, by foundation and the test operation of two kinds of different ventilation experiment patterns, it is possible to obtain tunnel
Fire smoke in road spreads rule, it is possible to effectively suppression fire smoke spreads to another by service channel from a tunnel
Tunnel, creates the path of safety in emergency circumstances safety evacuation.
Accompanying drawing explanation
Fig. 1 is that the lateral cross section of interval, the underground tunnel fire test device in the embodiment of the present invention one containing service channel is shown
It is intended to；
Fig. 2 is the plan structure of interval, the underground tunnel fire test device in the embodiment of the present invention one containing service channel
Figure；
Fig. 3 is that the lateral cross section of interval, the underground tunnel fire test device in the embodiment of the present invention two containing service channel is shown
It is intended to；
Fig. 4 is the plan structure of interval, the underground tunnel fire test device in the embodiment of the present invention two containing service channel
Figure；
Fig. 5 is the transverse sectional view that in the embodiment of the present invention, flue gas analyzer is arranged；
Fig. 6 is the plan structure figure that in the embodiment of the present invention, flue gas analyzer is arranged；
Fig. 7 is the transverse sectional view that in the embodiment of the present invention, visibility meter is arranged；
Fig. 8 is the plan structure figure that in the embodiment of the present invention, visibility meter is arranged；
Fig. 9 is the transverse sectional view that in the embodiment of the present invention, thermocouple bundle is arranged；
Figure 10 is the plan structure figure that in the embodiment of the present invention, thermocouple bundle is arranged；
Figure 11 is the transverse sectional view that in the embodiment of the present invention, anemobiagraph is arranged；
Figure 12 is the plan structure figure that in the embodiment of the present invention, anemobiagraph is arranged.
In figure: 1: the first tunnel；2: the second tunnels；3: service channel；4A: top portion ventilation mouth；4B: jet blower；5: fire
Source；6a: the first flue gas analyzer；6b: the second flue gas analyzer；6c: the three flue gas analyzer；6d: the four flue gas analyzer；
6e: the five flue gas analyzer；6f: the six flue gas analyzer；7a: the first visibility meter；7b: the second visibility meter；8a: the first heat
Couple bundle；8b: the second thermocouple bundle；8c: the three thermocouple bundle；9a: the first anemobiagraph；9b: the second anemobiagraph.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
Embodiment one
As shown in Figure 1-2, the embodiment of the present invention provides a kind of interval, underground tunnel fire test device containing service channel,
This fire test device can carry out scaled down according to the 1:5 of tunnel actual size, and this fire test device includes first
The 1, second tunnel 2, tunnel and service channel 3, the two ends of described service channel 3 respectively with first described tunnel the 1, second tunnel
Road 2 is connected.The first wherein said tunnel 1 and the second tunnel 2 be arranged in parallel, and described service channel 3 is respectively perpendicular to described
First tunnel 1 and the second tunnel 2.
It is respectively equipped with some top portion ventilation mouth 4A, each described at the top in described first tunnel 1 and described second tunnel 2
Being provided with smoke exhaust fan at top portion ventilation mouth 4A, the most each described smoke exhaust fan all can realize independent VFC.
In the present embodiment, it is respectively provided with a top portion ventilation mouth 4A at the two ends in described first tunnel 1, described second
The two ends in tunnel 2 are respectively provided with a top portion ventilation mouth 4A.
In the present embodiment, described first tunnel 1 and described second tunnel 2 are cylindrical structural pipeline, and described first
The concrete duct that tunnel 1 and described second tunnel 2 use internal diameter to be 1.2m, tubing wall thickness is set to 12cm.Described contact is led to
Road 3 is set to the rectangular structure passage of long 1.4m, wide 0.5m, high 0.96m, and described service channel 3 uses the color steel that 10cm is thick
Plate is made.It is additionally provided with sandwich at described service channel 3, in described sandwich, is provided with rock wool.Certainly, described first tunnel
1, the length in described second tunnel 2 can be adjusted according to experiment demand.
Additionally, be provided with burning things which may cause a fire disaster 5 on the bottom ground in described first tunnel 1 or described second tunnel 2.In the present embodiment
Described burning things which may cause a fire disaster 5 is arranged in described first tunnel 1.
Interval, the underground tunnel fire test device containing service channel that the present invention provides, by the first tunnel and second
Tunnel being arranged, smoke exhaust fan sets up top portion ventilation test model, by the foundation of top portion ventilation test model is grasped with test
Making, it is possible to the fire smoke obtained in tunnel spreads rule, effectively suppression fire smoke is climing from a tunnel by service channel
It is extended down to another tunnel, creates the path of safety in emergency circumstances safety evacuation.
Embodiment two
As shown in Figure 3-4, interval, the underground tunnel fire test device containing service channel that the embodiment of the present invention provides, bag
Include the 1, second tunnel 2, the first tunnel and service channel 3, the two ends of wherein said service channel 3 respectively with the first described tunnel
The 1, second tunnel 2, road is connected.The first wherein said tunnel 1 and the second tunnel 2 be arranged in parallel, and described service channel 3 is respectively
It is perpendicular to described first tunnel 1 and the second tunnel 2.
Some jet blower 4B it are respectively equipped with at the top in described first tunnel 1 and described second tunnel 2, the most each described
Jet blower all can realize independent VFC.
In the present embodiment, five groups of jet blowers are set in described first tunnel 1, also set in described second tunnel 2
Putting five groups of jet blowers, the most often group includes two jet blower 4B, and often organizes the described jet blower extension side along tunnel
To being evenly arranged.
In the present embodiment, described first tunnel 1 and described second tunnel 2 are cylindrical structural pipeline, and described first
The concrete duct that tunnel 1 and described second tunnel 2 use internal diameter to be 1.2m, tubing wall thickness is set to 12cm.Described contact is led to
Road 3 is set to the rectangular structure passage of long 1.4m, wide 0.5m, high 0.96m, and described service channel 3 uses the color steel that 10cm is thick
Plate is made.It is additionally provided with sandwich at described service channel 3, in described sandwich, is provided with rock wool.Certainly, described first tunnel
1, the length in described second tunnel 2 can be adjusted according to experiment demand.
Additionally, be provided with burning things which may cause a fire disaster 5 on the bottom ground in described first tunnel 1 or described second tunnel 2.In the present embodiment
Described burning things which may cause a fire disaster 5 is arranged in described first tunnel 1.
Interval, the underground tunnel fire test device containing service channel that the present invention provides, by the first tunnel and second
Tunnel being arranged, jet blower sets up jet blower ventilation experiment pattern, by the foundation of jet blower ventilation experiment pattern with
Test operation, it is possible to the fire smoke obtained in tunnel spreads rule, effectively suppression fire smoke pass through service channel from one
Tunnel spreads to another tunnel, creates the path of safety in emergency circumstances safety evacuation.
Embodiment three
The embodiment of the present invention provides a kind of interval, underground tunnel fire test method containing service channel, uses such as embodiment
Assay device described in one is tested, and specifically includes following steps:
Smoke exhaust fan is arranged in the first tunnel and the second tunnel simulation top portion ventilation pattern；
Burning things which may cause a fire disaster is positioned in 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,
Described 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 is measured by thermocouple bundle
Thermo parameters method cloud atlas is drawn according to the temperature field data obtained；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel, and root is measured by anemobiagraph
Wind speed control cloud charts is drawn according to the wind speed control data obtained.
Embodiment four
The embodiment of the present invention provides a kind of interval, underground tunnel fire test method containing service channel, uses such as embodiment
Assay device described in two is tested, and specifically includes following steps:
Jet blower is arranged in the first tunnel and the second tunnel simulation jet blower air vent mode；
Burning things which may cause a fire disaster is positioned in 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,
Described 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 is measured by thermocouple bundle
Thermo parameters method cloud atlas is drawn according to the temperature field data obtained；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel, and root is measured by anemobiagraph
Wind speed control cloud charts is drawn according to the wind speed control data obtained.
On the basis of above-described embodiment three and embodiment four, described interval, the underground tunnel fire hazard examination containing service channel
Proved recipe method also includes:
It is respectively adopted the different grillage of the rate of being fuming, cable, liquefied gas, gasoline, diesel oil, methanol and normal heptane to fire as burning things which may cause a fire disaster
Material, tunnel firing condition under the burning things which may cause a fire disaster fuel of the different rate of being fuming of simulation, and for different burning things which may cause a fire disaster fuel, obtain respectively at different fire
Flue gas characteristic data, visibility data, temperature field data and wind speed control data during the fuel of source.
On the basis of above-described embodiment three, described interval, the underground tunnel fire test method containing service channel is also wrapped
Include:
Set relative distance between burning things which may cause a fire disaster and service channel as d1, in test d1 value-1m respectively ,-0.5m, 0m ,+
0.5m ,+1m, wherein sign represents the relative position of burning things which may cause a fire disaster and service channel, and positive sign represents burning things which may cause a fire disaster and is positioned on the left of service channel,
Negative sign represents burning things which may cause a fire disaster and is positioned on the right side of service channel, thus constitutes five fire location operating modes.
Same burning things which may cause a fire disaster fuel is respectively placed at five fire locations, obtains burning things which may cause a fire disaster respectively when each fire location
Flue gas characteristic data, visibility data, temperature field data and wind speed control data.
On the basis of above-described embodiment four, described interval, the underground tunnel fire test method containing service channel is also wrapped
Include:
Set relative distance between burning things which may cause a fire disaster and service channel as d2, in test d2 value-1m respectively ,-0.5m, 0m ,+
0.5m ,+1m, wherein sign represents the relative position of burning things which may cause a fire disaster and service channel, and positive sign represents burning things which may cause a fire disaster and is positioned on the left of service channel,
Negative sign represents burning things which may cause a fire disaster and is positioned on the right side of service channel, thus constitutes five fire location operating modes.
Same burning things which may cause a fire disaster fuel is respectively placed at five fire locations, obtains burning things which may cause a fire disaster respectively when each fire location
Flue gas characteristic data, visibility data, temperature field data and wind speed control data.
As seen in figs. 5-6, on the basis of above-described embodiment three and embodiment four, obtain flue gas by flue gas analyzer special
During property data, the arrangement of flue gas analyzer is:
The top inner wall in the first tunnel 1 arranges one and ranked first flue gas analyzer 6a, the first described flue gas analyzer
6a is evenly arranged along the bearing of trend in the first tunnel 1.
The top inner wall in the second tunnel 2 arranges one and ranked second flue gas analyzer 6b, the second described flue gas analyzer
6b is evenly arranged along the bearing of trend in the second tunnel 2.
The first tunnel 1 junction ceiling with service channel 3 arranges some 3rd flue gas analyzer 6c, at the second tunnel
Road 2 arranges some 4th flue gas analyzer 6d on the junction ceiling of service channel 3.
In the first tunnel 1, arrange at least one ranked fifth flue gas analyzer 6e, often ranked fifth flue gas analyzer 6e along first
The bearing of trend in tunnel 1 is evenly arranged.In the second tunnel 2, arrange at least one ranked sixth flue gas analyzer 6f, often ranked sixth cigarette
Edema caused by disorder of QI analyzer 6f is evenly arranged along the bearing of trend in the second tunnel 2.
The 5th described in the present embodiment flue gas analyzer 6e and the 6th flue gas analyzer 6f is arranged at distance ground
0.36m highly locates, for the flue gas at human eye height is measured analysis.Wherein 0.36m height is simulation human eye height,
0.36m height in the present embodiment is to carry out the human eye height after scaled down according to the 1:5 of tunnel actual size, certainly exists
In actual application, selected simulation human eye height can be adjusted according to the size of actual tunnel model.
As Figure 7-8, on the basis of above-described embodiment three and embodiment four, obtain visibility number by visibility meter
According to time, the arrangement of visibility meter is:
Arranging at least one in the first tunnel 1 and ranked first visibility meter 7a, visibility meter 7a that often ranked first is along the first tunnel 1
Bearing of trend be evenly arranged.In the second tunnel 1, arrange at least one ranked second visibility meter 7b, often ranked second visibility meter 7b
Bearing of trend along the second tunnel 2 is evenly arranged.
The first described in the present embodiment visibility meter 7a and the second visibility meter 7b are arranged at distance ground 0.36m
Highly place, for measuring analysis to the visibility at human eye height.Wherein 0.36m height is simulation human eye height, at this
0.36m height in embodiment is to carry out the human eye height after scaled down, certainly in reality according to the 1:5 of tunnel actual size
In the application of border, selected simulation human eye height can be adjusted according to the size of actual tunnel model.
As shown in figs. 9-10, on the basis of above-described embodiment three and embodiment four, obtain temperature field by thermocouple bundle
During Data Data, the arrangement of thermocouple bundle is:
First tunnel 1 sets gradually from top to bottom and some ranked first thermocouple bundle 8a, often ranked first thermocouple bundle 8a
Bearing of trend along the first tunnel 1 is evenly arranged.
Second tunnel 2 sets gradually from top to bottom and some ranked second thermocouple bundle 8b, often ranked second thermocouple bundle 8b
Bearing of trend along the second tunnel 2 is evenly arranged.
Service channel 3 sets gradually from top to bottom and some ranked third thermocouple bundle 8c, often ranked third thermocouple bundle 8c
Bearing of trend along service channel 3 is evenly arranged.
In the present embodiment, the measurement point of thermocouple bundle is arranged along the median plane in tunnel, for obtaining tunnel ceiling respectively
Locate temperature and smoke layer temperature above place temperature, burning things which may cause a fire disaster, and draw temperature field according to each temperature data measuring point obtained
Cloud charts, thus monitor the variations in temperature in the first tunnel, the second tunnel and service channel in real time.
As depicted in figs. 11-12, on the basis of above-described embodiment three and embodiment four, wind speed control is obtained by anemobiagraph
During data, the arrangement of anemobiagraph is:
Arranging multiple measuring wind speed cross section 10 in the first tunnel 1, each measuring wind speed cross section 10 is along the extension in the first tunnel 1
Direction is uniformly distributed, and is respectively provided with multiple first anemobiagraph 9a on each measuring wind speed cross section 1.
Arranging multiple measuring wind speed cross section 11 in the second tunnel 2, each measuring wind speed cross section 11 is along the extension in the second tunnel 2
Direction is uniformly distributed, and is respectively provided with multiple second anemobiagraph 9b on each measuring wind speed cross section 11.
Arranging multiple measuring wind speed cross section 12 in service channel 3, each measuring wind speed cross section 12 is along the extension of service channel 3
Direction is uniformly distributed, and is respectively provided with multiple 3rd anemobiagraph on each measuring wind speed cross section 12.
In the present embodiment, first, second, and third described anemobiagraph all uses and adds wild multichannel anemometer, each wind
Speed measures the grid distribution that the anemobiagraph on cross section is 0.25m × 0.25m, the adjacent spacing between two measuring wind speed cross sections
For 0.5m, and draw wind speed control cloud charts according to the wind speed control data obtained, thus monitor in real time the first tunnel, second
Wind speed change in tunnel and service channel.
In the various embodiments described above, by the flue gas characteristic data that above-mentioned experiment is obtained, visibility data, temperature number of fields
It is analyzed processing according to wind speed control data, it is possible to set up for the various factors coupling fire model under different operating modes, and then
Controlling to provide foundation for the ventilation smoke exhaust under Fire Conditions, effectively suppression fire smoke is spread from a tunnel by service channel
To another tunnel, create the path of safety for safety evacuation.
In sum, interval, the underground tunnel fire test device and method containing service channel that the present invention provides, the
One tunnel and the second tunnel being arranged, smoke exhaust fan sets up top portion ventilation test model, or cloth in the first tunnel and the second tunnel
Put jet blower and set up jet blower ventilation experiment pattern, by foundation and the test operation of two kinds of different ventilation experiment patterns,
The fire smoke being obtained in that in tunnel spreads rule, it is possible to effectively suppression fire smoke is climing from a tunnel by service channel
It is extended down to another tunnel, creates the path of safety in emergency circumstances safety evacuation.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. interval, the underground tunnel fire test device containing service channel, it is characterised in that include the first tunnel, the second tunnel
Road and service channel, the two ends of wherein said service channel are connected with the first described tunnel, the second tunnel respectively；
It is respectively equipped with some top portion ventilation mouths, in each described top portion ventilation at the top in described first tunnel and described second tunnel
Smoke exhaust fan it is provided with at Kou；Or it is respectively equipped with some jet blowers at the top in described first tunnel and described second tunnel.
Interval, underground tunnel fire test device containing service channel the most according to claim 1, it is characterised in that in institute
The bottom ground stating the first tunnel or described second tunnel is provided with burning things which may cause a fire disaster.
Interval, underground tunnel fire test device containing service channel the most according to claim 1, it is characterised in that described
First tunnel and described second tunnel are cylindrical concrete duct；Described service channel is rectangular structure passage, described
Network passage uses color steel to make.
Interval, underground tunnel fire test device containing service channel the most according to claim 3, it is characterised in that described
Service channel is provided with sandwich, is provided with rock wool in described sandwich.
5. interval, the underground tunnel fire test method containing service channel, it is characterised in that specifically include following steps:
Smoke exhaust fan is arranged in the first tunnel and the second tunnel simulation top portion ventilation pattern, or jet blower is arranged in the
One tunnel and the second tunnel are simulated jet blower air vent mode；
Burning things which may cause a fire disaster is positioned in 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, described
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 are measured by thermocouple bundle, and according to obtaining
The temperature field data obtained draw thermo parameters method cloud atlas；
The wind speed control data obtained in the first tunnel, the second tunnel and service channel are measured by anemobiagraph, and according to obtaining
The wind speed control data taken draw wind speed control cloud charts.
Interval, underground tunnel fire test method containing service channel the most according to claim 5, it is characterised in that by fire
Source is positioned in the first tunnel or the second tunnel, and the step of simulation tunnel firing condition includes:
At least five fire location is set in the first tunnel or the second tunnel, burning things which may cause a fire disaster is respectively placed in five fire locations
Place, obtains burning things which may cause a fire disaster flue gas characteristic data, visibility data, temperature field data and wind speed control number when each fire location respectively
According to.
Interval, underground tunnel fire test method containing service channel the most according to claim 5, it is characterised in that pass through
Flue gas analyzer is measured the step of the flue gas characteristic data obtained in the first tunnel, the second tunnel and service channel and is included:
Arranging multiple first flue gas analyzer in the top inner wall in the first tunnel, the first described flue gas analyzer is along the first tunnel
The bearing of trend in road is evenly arranged；The top inner wall in the second tunnel arranges multiple second flue gas analyzer, described second
Flue gas analyzer is evenly arranged along the bearing of trend in the second tunnel；
Multiple 5th flue gas analyzer, the 5th described flue gas analyzer edge are set at the first tunnel middle-range overhead 0.36m
The bearing of trend in the first tunnel is evenly arranged；Multiple 6th flue gas analyzer, the 6th described flue gas are set in the second tunnel
Analyser is evenly arranged along the bearing of trend in the second tunnel；
Some 3rd flue gas analyzers are set in the junction in the first tunnel Yu service channel, at the second tunnel and service channel
Junction arranges some 4th flue gas analyzers.
Interval, underground tunnel fire test method containing service channel the most according to claim 5, it is characterised in that pass through
Visibility meter is measured the step of the visibility data obtained in the first tunnel, the second tunnel and service channel and is included:
Arranging multiple first visibility meter at the first tunnel middle-range overhead 0.36m, the first described visibility meter is along first
The bearing of trend in tunnel is evenly arranged；
Arranging multiple second visibility meter at the second tunnel middle-range overhead 0.36m, the second described visibility meter is along second
The bearing of trend in tunnel is evenly arranged.
Interval, underground tunnel fire test method containing service channel the most according to claim 5, it is characterised in that pass through
Thermocouple bundle is measured the step of the temperature field data obtained in the first tunnel, the second tunnel and service channel and is included:
In the first tunnel, set gradually some thermocouple bundles that ranked first from top to bottom, often ranked first thermocouple bundle along the first tunnel
Bearing of trend be evenly arranged；
In the second tunnel, set gradually some thermocouple bundles that ranked second from top to bottom, often ranked second thermocouple bundle along the second tunnel
Bearing of trend be evenly arranged；
In service channel, set gradually some thermocouple bundles that ranked third from top to bottom, often ranked third thermocouple bundle along service channel
Bearing of trend be evenly arranged.
Interval, underground tunnel fire test method containing service channel the most according to claim 5, it is characterised in that logical
The step crossing the wind speed control data in anemobiagraph measurement acquisition the first tunnel, the second tunnel and service channel includes:
Arranging multiple measuring wind speed cross section in the first tunnel, each measuring wind speed cross section is uniformly divided along the bearing of trend in the first tunnel
Cloth, is respectively provided with multiple first anemobiagraph on each measuring wind speed cross section；
Arranging multiple measuring wind speed cross section in the second tunnel, each measuring wind speed cross section is uniformly divided along the bearing of trend in the second tunnel
Cloth, is respectively provided with multiple second anemobiagraph on each measuring wind speed cross section；
Arranging multiple measuring wind speed cross section in service channel, each measuring wind speed cross section is uniformly divided along the bearing of trend of service channel
Cloth, is respectively provided with multiple 3rd anemobiagraph on each measuring wind speed cross section.
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Application publication date: 20161207 |