CN105160981A - Railway tunnel rescue station fire experiment system comprising plurality of evacuation transverse passages - Google Patents
Railway tunnel rescue station fire experiment system comprising plurality of evacuation transverse passages Download PDFInfo
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- CN105160981A CN105160981A CN201510656888.9A CN201510656888A CN105160981A CN 105160981 A CN105160981 A CN 105160981A CN 201510656888 A CN201510656888 A CN 201510656888A CN 105160981 A CN105160981 A CN 105160981A
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The invention relates to a railway tunnel rescue station fire experiment system comprising a plurality of evacuation transverse passages. The railway tunnel rescue station fire experiment system comprises an experiment tunnel main body and a data measuring system. The experiment tunnel main body comprises a fire tunnel, evacuation transverse passages, a non-fired tunnel, a train model, a fire source and a smoke evacuation system. The fire tunnel is communicated with the non-fired tunnel through the evacuation transverse passages. The train model, the fire source and the smoke evacuation system are arranged in the fire tunnel. The fire experiment platform comprises nine evacuation transverse passages. By blocking different numbers of evacuation transverse passages, fire experiment research of railway tunnel rescue stations with different numbers of evacuation transverse passages is realized. The experiment platform is relatively wide in application range and is capable of combining fire scenes different in number of rescue station evacuation transverse passages, fire position, smoke evacuation mode and ventilation condition, so that the analysis research work of a plurality of railway tunnel rescue station fire scene experiments under practical conditions are realized, and the railway tunnel rescue station fire experiment system is wide in application prospect and has important guiding significance.
Description
Technical field
Invention relates to railway tunnel technical field of fire hazard safety, particularly relate to a kind of containing many evacuation transverse passage-way railway tunnel rescue station fire test systems, for simulating flue gas control effects when resting in rescue station after train fire in extra-long railway tunnel, the measurement to temperature field, velocity field can be realized.
Background technology
Railway is the important infrastructure of country, as main artery, the popular vehicles of country, in integrated transportation system, be in key status, and tunnel is as one of the important component part of railway, its quantity was on the increase and single seat length of tunnel also constantly increases in recent years.Although compared to vcehicular tunnel, the probability of railway tunnel breaking out of fire is less, but, due to its buried underground, environment is closed, and is all greatly limited in ventilation, passenger flow rapid evacuation etc., once breaking out of fire, dense smoke and hot gas are difficult to nature and get rid of, if the intensity of a fire can not be controlled effectively, its consequence is by hardly imaginable.
In view of randomness and the harmfulness of tunnel fire hazard, in railway tunnel particularly extra-long railway tunnel, carry out tunnel hazard prevention rescue and Evacuation Design work extremely important, for extra-long railway tunnel, arranging rescue station is top-priority scheme in Fire prevention.The working mechanism of rescue station is: when train during breaking out of fire, is left for rescue station in time by train in tunnel, passenger and road man get off rapidly, is evacuated to another tunnel, wait for rescue by transverse passage-way.Therefore, the research train that catches fire is stopped the regularity of distribution in temperature field under different fume exhausting type after rescue station, Smoke Spread and flue gas control effects and is had important directive significance for railway tunnel rescue station Fire prevention of growing up.
Based on small-scale model test economy and facility, become the conventional means of research railway tunnel fire test now, more existing researchists have carried out multi-form model fire test both at home and abroad.External aspect, the people such as Lee (1979) establish one long for 13.7m, cross-sectional area be the small size test model of 0.27m2, and to suppressing the critical wind velocity of tunnel fire disaster fume adverse current to be studied.Afterwards, the people (1996) such as people (1993), Oka such as people (1990), Xue such as people (1990), Kwack such as the people such as Chaiken (1979), Vantelon establish the small size test model that a series of scale differs in succession, and have carried out the correlative study of tunnel fire hazard.Hwang and Wargo(1996) have studied the impact of tunnel top rake on flow of flue gas.G.T.Atkinson and Y.Wu(1996) have studied the impact of top rake on critical air-supply wind speed, and propose the projected relationship formula of the critical air-supply wind speed considering tunnel top rake.Y.Wu and M.Z.A.Bakar(2000), the people (2002) such as HitoshiKurioka is studied in detail fire plume inclination angle, tunnel, the highest flue-gas temperature of ceiling and position longitudinal wind speed respectively, and proposes the rule-of-thumb relation of oneself.Vauquelin(2006) by the model test of 1:20, have studied the impact of tunnel width on critical wind velocity.JaeSeongroh(2008) establish the small size testing table of a 1:20, and have studied the impact of ventilation wind speed on burning things which may cause a fire disaster combustion rate.Domestic aspect, it is 1.8m that the Yan Zhiguo (2002) of Southwest Jiaotong University establishes internal diameter, wall thickness is 15cm, the long reinforced concrete pipe segment model tunnel for 100m, by the fire test of tunnel model, when occurring fire, the distribution of temperature field and pressure field in tunnel, the condition of smog are studied.It is 2m that the Wang Mingnian of Southwest Jiaotong University etc. (2003) establish a diameter, and length is 120m, and the gradient is the model tunnel of 1%, is studied the temperature changing regularity in tunnel during breaking out of fire.Lee's winter (2010) of Central South University, the ratio of establishing was 1:9, and length is the model tunnel of 52.5m with lion ocean submerged tunnel for relying on, and was studied the Disaster Prevention Design of shield tunnel under water and Fire prevention.
By known to the investigation of some data, at present for the research of tunnel fire hazard, focus mostly on and occur in the situation in single tube tunnel in fire, as Chinese invention patent document CN102306459B also merely discloses single tube fire simulation experiment system for railway tunnel rescue station; For being provided with, to evacuate the research of fire test in rescue station that transverse passage-way connects double-hole tunnel be almost also blank.
Summary of the invention
Technical matters to be solved by this invention be for speciality double-hole tunnel cannot full simulation fire time flue gas control effects, and the measurement realized temperature field, velocity field, object is that providing a kind of evacuates transverse passage-way railway tunnel rescue station fire test system containing many, solve and flue gas control effects when resting in rescue station after train fire in extra-long railway tunnel is simulated, the problem to temperature field, velocity field measurement can be realized.
Of the present inventionly to be achieved through the following technical solutions: a kind ofly evacuate transverse passage-way railway tunnel rescue station fire test systems containing many, comprise experiment tunnel main body and data measurin system, described experiment tunnel main body comprises fire tunnel, evacuates transverse passage-way, non-fire tunnel, train model, burning things which may cause a fire disaster and smoke evacuation system; Described fire tunnel is communicated with non-fire tunnel by evacuating transverse passage-way, described train model, burning things which may cause a fire disaster and smoke evacuation system are arranged in fire tunnel, can be realized containing the fire scenario in different transverse passage-way number rescue station during specific experiment by the mode of shutoff transverse passage-way mouth.
Described smoke evacuation system comprises smokejack, exhaust smoke valve, exhaust opening, centrifugal blower and axial flow blower, and described smokejack is separated out away from passage side in fire tunnel by smokejack partition wall, and described exhaust smoke valve is for being reserved in aperture on smokejack partition wall; Described exhaust opening is arranged in the middle part of smokejack, described centrifugal blower is arranged in exhaust opening and outwards smokes, play the effect of outwards smoking, described axial flow blower is arranged in fire tunnel and hole, four, non-fire tunnel and in tunnel, provides fresh Cryogenic air and guide plume, in fume exhausting type, the high-temperature area that this experiment porch can be studied under the half horizontal fume exhausting type of separate sides under smokejack and the longitudinal fume exhausting type in transverse passage-way closedown situation controls and fire and smoke spread control effects.
Described data measurin system comprises data measurement unit, data acquisition unit and software analysis module, described data measurement unit comprises temperature measuring equipment and wind speed measuring device, data measurement unit (thermopair, pressure transducer etc.) temperature that will collect, pressure values converts corresponding analog voltage (mv level) to and exports data acquisition unit to, pass through operation amplifier, the binary code that single-chip microcomputer can process is converted to through A/D digital to analog converter, hand over single-chip microcomputer process, then single-chip microcomputer is by temperature, the digital quantity that Output pressure port exports is sent to host computer (PC) through network, temperature in software analysis module, flow relocity calculation program is converted into corresponding temperature value, velocity amplitude, and be stored in database server.
Further, described exhaust smoke valve is 10, get each exhaust smoke valve place section for test section, totally 10 test sections, vault bottom in every each section, evacuate above platform, evacuate platform center line human eye feature height (i.e. 0.16m) place and respectively arrange a wind speed measuring point, described wind speed measuring point is provided with the wind speed measuring device for measuring diverse location wind speed size in fire tunnel.Described wind speed measuring device is made up of the pitot tube be arranged in fire tunnel and little differential pressure sensor.
Further, described experiment tunnel main body and actual tunnel main body adopt the contracting scale model of 1:10, the long 60m in tunnel, and fire tunnel is evacuated transverse passage-way with non-fire tunnel by 9 and is communicated with; Adopt the design of contracting scale model of 1:10, obtain accurately in experimental data situation can meet completely, practice every conceivable frugality experiment porch construction cost.
Further, the fire tunnel of described experiment tunnel main body adopts fire proofing tile to build by laying bricks or stones, and described non-fire tunnel and evacuation transverse passage-way adopt common brick to build by laying bricks or stones; The inside surface cement sand plaster of described experiment tunnel main body, zone of origin adopts fire cement to wipe one's face, and outside surface uses cement sand plaster after laying layer of steel wire net, adopts fire resistive material at zone of origin, common material is adopted at non-zone of origin, can be cost-saving when meeting experimental performance.
Further, described train model by reinforcing bar as framework, iron sheet merogenesis is adopted to make, the length in one joint compartment is respectively 255cm, 31cm, 44cm, and train model length is that 17 joint car length add locomotive overall length, i.e. 2.03+2.55 × 17=45.38m, fire location one saves in car length and does not arrange compartment model, train is positioned in the middle part of fire tunnel, simulates train basic structure completely, makes experimental data more accurate.
Further, burning things which may cause a fire disaster is pond fire, respectively arranges place's burning things which may cause a fire disaster, totally three zone of origin positions, need to select place's fire location to test according to operating mode at distance hole, two ends, fire tunnel and middle part, and burning things which may cause a fire disaster fuel adopts gasoline.
Further, described zone of origin arranges a temperature test section every 1m, non-zone of origin arranges a temperature test section every 2m, totally 45 test sections, the keystone of each test section arranges a fire tunnel center line temperature point, described fire tunnel center line temperature point is furnished with wind speed measuring device, and the evacuation platform midline position of each test section arranges an evacuation platform center line temperature point, and described evacuation platform center line temperature point is furnished with wind speed measuring device.
Further, the wind speed measuring device that described fire tunnel center line temperature point is arranged is a thermopair tree, and this thermopair tree comprises two thermopairs, is respectively 0cm, 15cm apart from the vertical distance of vault; The wind speed measuring device that described evacuation platform center line temperature point is arranged is a thermopair tree, and this thermopair tree comprises 3 thermopairs, is respectively 16cm, 33cm, 50.4cm for testing the thermo parameters method in fire tunnel apart from main tunnel ground height.The fire scenario of the fire scenario of the rescue station fire scenario of different transverse passage-way number, different fire location, different fume exhausting type, the fire scenario of different ventilation operating mode are combined, thus can realize the analysis and research work to the experiment of the multiple fire scenario of railway tunnel rescue station under reality.
Further, described exhaust smoke valve is for being reserved in the rectangular apertures of 20cm × 25cm on smokejack partition wall, and the high-temperature area be convenient under the research half horizontal fume exhausting type of separate sides under smokejack and the longitudinal fume exhausting type in transverse passage-way closedown situation controls and fire and smoke spread control effects.
Further, described axial flow blower and centrifugal blower realize the adjustment of wind speed by Frequency Converter Control rotating speed.To realize different ventilation operating modes.
The present invention compared with prior art, has following advantage and beneficial effect:
(1) in experiment porch, this experiment porch be current first specially for double-hole tunnel fire train stop rescue station carry out evacuating personnel time, in extra-long railway tunnel rescue station, temperature field, wind speed field and Smoke Spread etc. carry out the reduced scale cun experiment porch of systematic study, can be smoke evacuation scheme under similar situation in rescue station and evacuating personnel research provides experiment porch support;
(2) in fume exhausting type, the high-temperature area that this experiment porch can be studied under the half horizontal fume exhausting type of separate sides under smokejack and the longitudinal fume exhausting type in transverse passage-way closedown situation controls and fire and smoke spread control effects;
(3) in data acquisition, advanced temperature measuring equipment, wind speed measuring device, data acquisition unit and software analysis module can in rescue station everywhere fire data carry out acquisition and recording and analysis and research;
(4) in scope of experiment, this experiment porch can combine the fire scenario of the fire scenario of the fire scenario of the rescue station fire scenario of different transverse passage-way number, different fire location, different fume exhausting type, different ventilation operating mode, thus can realize the analysis and research work to the experiment of the multiple fire scenario of railway tunnel rescue station under reality.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention's one evacuates transverse passage-way railway tunnel rescue station fire test system global structure schematic diagram containing many;
Fig. 2 is the partial structurtes schematic diagram of the transverse passage-way railway tunnel rescue station fire test system of evacuating containing many shown in Fig. 1;
Fig. 3 is the front elevation of wind speed point layout in the embodiment of the present invention;
Fig. 4 is the vertical view that in the embodiment of the present invention, temperature point is arranged;
Fig. 5 is the front elevation that in the embodiment of the present invention, temperature point is arranged;
Fig. 6 is data measurin system schematic diagram of the present invention;
Number in the figure: 1-fire tunnel; The non-fire tunnel of 2-; 3-evacuates transverse passage-way; 4-side smokejack; 5-exhaust opening; 6-exhaust smoke valve; 7-smokejack partition wall; 8-centrifugal blower; 9-axial flow blower; 10-train model; 11-burning things which may cause a fire disaster; 12-wind speed measuring point; 13-fire tunnel center line temperature point; 14-evacuates platform center line temperature point; 15-data measurement unit; 16-data acquisition unit; 17-software analysis module.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
One as depicted in figs. 1 and 2 evacuates transverse passage-way railway tunnel rescue station fire test systems containing many, and for when resting in rescue station after train fire in extra-long railway tunnel, under different fume exhausting type, in rescue station, flue gas control effects is simulated; Comprise fire tunnel 1, non-fire tunnel 2, evacuate transverse passage-way 3, train model 10, burning things which may cause a fire disaster 11 and smoke evacuation system.A side smokejack 4 is separated out away from the side smokejack partition wall 7 evacuating transverse passage-way 3 in fire tunnel 1.The present invention tests tunnel main body and contains 9 evacuation transverse passage-ways, can be realized containing the fire scenario in different transverse passage-way number rescue station during specific experiment by the mode of shutoff transverse passage-way mouth.
Train model 10 by reinforcing bar as framework, iron sheet merogenesis is adopted to make, the length in one joint compartment is respectively 255cm, 31cm, 44cm, train model length is that 17 joint car length add locomotive overall length, 45.38m altogether, fire location one saves in car length and does not arrange compartment model, and train is positioned in the middle part of fire tunnel.
Burning things which may cause a fire disaster 11 is pond fire, respectively arranges place's burning things which may cause a fire disaster, totally three fire locations, need to select place's fire location to test according to operating mode at distance fire tunnel hole, two ends 10m and middle part.Smoke evacuation system comprises smokejack 4, exhaust opening 5, exhaust smoke valve 6 and centrifugal blower 8, axial flow blower 9; Exhaust smoke valve 6 is arranged on smokejack partition wall, exhaust smoke valve for being reserved in the rectangular apertures of 20cm × 25cm on smokejack partition wall, interval 6m, totally 10, be communicated with smokejack 4 and fire tunnel 1, flue gas can be drained by smokejack 4 through exhaust smoke valve 6; 1 centrifugal blower 8 is arranged in exhaust opening 5 place, plays the effect of outwards smoking; 4 axial flow blowers 9 are arranged in 4 ends in tunnel, provide fresh Cryogenic air and play the effect guiding plume in tunnel; Realized the adjustment of wind speed by the rotating speed of Frequency Converter Control blower fan, realize different ventilation operating modes.
One as shown in Figure 6 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, on the basis of above-mentioned simulation agent structure, in data acquisition, advanced temperature measuring equipment, wind speed measuring device, data acquisition unit 16 and software analysis module 17 can in rescue station everywhere fire data carry out acquisition and recording and analysis and research; Concrete employing data measurin system, comprises data measurement unit 15, data acquisition unit 16 and software analysis module 17.Data measurement unit 15 comprises temperature measuring equipment and wind speed measuring device, and concrete deployment scenarios is as Fig. 3, Fig. 4 and Fig. 5.The principle of work of data measurin system is: data measurement unit 15(thermopair, pressure transducer etc.) temperature that will collect, pressure values converts corresponding analog voltage (mv level) to and exports data acquisition unit 16 to, pass through operation amplifier, the binary code that single-chip microcomputer can process is converted to through A/D digital to analog converter, hand over single-chip microcomputer process, then single-chip microcomputer is by temperature, the digital quantity that Output pressure port exports is sent to host computer (PC) through network, temperature in software analysis module 17, flow relocity calculation program is converted into corresponding temperature value, velocity amplitude, and be stored in database server.
This experimental system has wider range of application, can combine the fire scenario of the fire scenario of the fire scenario of the rescue station fire scenario of different transverse passage-way number, different fire location, different fume exhausting type, different ventilation operating mode, thus can realize, to the analysis and research work of the multiple fire scenario experiment of railway tunnel rescue station under reality, having broad application prospects and important directive significance.
Embodiment 2
One as shown in Figure 3 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, on the basis of embodiment 1, get each exhaust smoke valve place section for test section, totally 10 test sections, vault bottom in every each section, evacuate above platform, evacuate platform center line human eye feature height (i.e. 0.16m) place and respectively arrange a wind speed measuring point 12, for measuring the wind speed size of diverse location in fire tunnel; Described wind speed measuring point 12 is provided with the wind speed measuring device for measuring diverse location wind speed size in fire tunnel, and described wind speed measuring device is made up of the pitot tube be arranged in fire tunnel 1 and little differential pressure sensor.
Embodiment 3
One as shown in Figures 4 and 5 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, on the basis of embodiment 1, zone of origin arranges a temperature test section every 1m, and non-zone of origin arranges a test section every 2m, totally 45 test sections, 225 thermopairs.The keystone of each test section arranges a fire tunnel center line temperature point 13, described fire tunnel center line temperature point 13 is furnished with wind speed measuring device, the evacuation platform midline position of each test section arranges an evacuation platform center line temperature point 14, and described evacuation platform center line temperature point 14 is furnished with wind speed measuring device; Wind speed measuring device is passable as required; The thermopair tree of varying number and structure is formed, and such as, on each section, vault arranged beneath thermopair tree, this thermopair tree comprises two thermopairs, is respectively 0cm, 15cm apart from the vertical distance of vault.Evacuate platform center line and arrange a thermopair tree, this thermopair tree comprises 3 thermopairs, is respectively the feature height of 16cm(and human eye apart from main tunnel ground height), 33cm, 50.4cm, for accurately testing the thermo parameters method in fire tunnel.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. evacuate transverse passage-way railway tunnel rescue station fire test system containing many for one kind, comprise experiment tunnel main body and data measurin system, it is characterized in that: described experiment tunnel main body comprises fire tunnel (1), evacuates transverse passage-way (3), non-fire tunnel (2), train model (10), burning things which may cause a fire disaster (11) and smoke evacuation system; Described fire tunnel (1) is communicated with non-fire tunnel (2) by evacuating transverse passage-way (3), and described train model (10), burning things which may cause a fire disaster (11) and smoke evacuation system are arranged in fire tunnel;
Described smoke evacuation system comprises smokejack (4), exhaust smoke valve (6), exhaust opening (5), centrifugal blower (8) and axial flow blower (9), described smokejack (4) is separated out away from passage side in fire tunnel (1) by smokejack partition wall (7), and described exhaust smoke valve (6) is for being reserved in the upper aperture of smokejack partition wall (7); Described exhaust opening (5) is arranged on smokejack (4) middle part, described centrifugal blower (8) is arranged in exhaust opening (5) and outwards smokes, and described axial flow blower (9) is arranged in fire tunnel (1) and hole, (2) four, non-fire tunnel and in tunnel, provides fresh Cryogenic air and guide plume;
Described data measurin system comprises data measurement unit (15), data acquisition unit (16) and software analysis module (17), described data measurement unit (15) comprises temperature measuring equipment and wind speed measuring device, the temperature that described data measurement unit (15) will be collected by temperature measuring equipment and wind speed measuring device, pressure values converts corresponding analog voltage to and exports data acquisition unit (16) to, data after conversion are sent to host computer PC by single-chip microcomputer by described data acquisition unit (16), described host computer PC is converted into corresponding temperature value and velocity amplitude by the temperature in software analysis module (17) and flow relocity calculation program, and be stored in database server.
2. one according to claim 1 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described exhaust smoke valve (6) is 10, get the section at fire tunnel, each exhaust smoke valve (6) place (1) for test section, totally 10 test sections, vault bottom in each section, evacuate each layout in 16cm place wind speed measuring point (12) with evacuation platform center line height above platform, described wind speed measuring point (12) is provided with the wind speed measuring device for measuring diverse location wind speed size in fire tunnel, described wind speed measuring device is made up of the pitot tube be arranged in fire tunnel (1) and little differential pressure sensor.
3. one according to claim 1 and 2 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described experiment tunnel main body and actual tunnel main body adopt the contracting scale model of 1:10, the long 60m in tunnel, fire tunnel (1) is evacuated transverse passage-way (3) with non-fire tunnel (2) by 9 and is communicated with.
4. one according to claim 3 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: the fire tunnel (1) of described experiment tunnel main body adopts fire proofing tile to build by laying bricks or stones, and described non-fire tunnel (2) and evacuation transverse passage-way (3) adopt common brick to build by laying bricks or stones; The inside surface cement sand plaster of described experiment tunnel main body, zone of origin adopts fire cement to wipe one's face, and outside surface uses cement sand plaster after laying layer of steel wire net.
5. one according to claim 3 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described train model (10) by reinforcing bar as framework, iron sheet merogenesis is adopted to make, the length in one joint compartment is respectively 255cm, 31cm, 44cm, train model length is that 17 joint car length add locomotive overall length, i.e. 2.03+2.55 × 17=45.38m, described fire location one saves in car length does not arrange compartment model, and train model (10) is positioned over middle part, fire tunnel (1).
6. a kind of containing many evacuation transverse passage-way railway tunnel rescue station fire test systems according to claim 1 or 5, it is characterized in that: described burning things which may cause a fire disaster (11) is pond fire, place's burning things which may cause a fire disaster (11) is respectively arranged at distance 10m place, fire tunnel (1) hole, two ends and middle part, totally three zone of origin positions, need to select place's fire location to test according to operating mode, burning things which may cause a fire disaster (11) fuel adopts gasoline.
7. one according to claim 6 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described zone of origin arranges a temperature test section every 1m, non-zone of origin arranges a temperature test section every 2m, totally 45 test sections, the keystone of each test section arranges fire tunnel center line temperature point (13), described fire tunnel center line temperature point (13) is furnished with wind speed measuring device, the evacuation platform midline position of each test section arranges evacuation platform center line temperature point (14), described evacuation platform center line temperature point (14) is furnished with wind speed measuring device.
8. one according to claim 7 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: the upper wind speed measuring device arranged in described fire tunnel center line temperature point (13) is a thermopair tree, this thermopair tree comprises two thermopairs, is respectively 0cm, 15cm apart from the vertical distance of vault; The upper wind speed measuring device arranged of described evacuation platform center line temperature point (14) is a thermopair tree, this thermopair tree comprises 3 thermopairs, is respectively 16cm, 33cm, 50.4cm for testing the thermo parameters method in fire tunnel apart from main tunnel ground height.
9. one according to claim 1 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described exhaust smoke valve (6) is for being reserved in the rectangular apertures of the upper 20cm × 25cm of smokejack partition wall (7).
10. one according to claim 1 evacuates transverse passage-way railway tunnel rescue station fire test system containing many, it is characterized in that: described centrifugal blower (8) and axial flow blower (9) realize the adjustment of wind speed by Frequency Converter Control rotating speed.
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| CN112343642B (en) * | 2020-11-09 | 2022-02-25 | 西南交通大学 | Disaster-prevention ventilation test model for jet fan of emergency rescue station at railway tunnel portal |
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| CN113530564A (en) * | 2021-07-21 | 2021-10-22 | 四川农业大学 | Design method and system for high-altitude railway tunnel portal emergency rescue station |
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