CN110838259A - Fire simulation test bed for small-size tunnel - Google Patents
Fire simulation test bed for small-size tunnel Download PDFInfo
- Publication number
- CN110838259A CN110838259A CN201911298912.0A CN201911298912A CN110838259A CN 110838259 A CN110838259 A CN 110838259A CN 201911298912 A CN201911298912 A CN 201911298912A CN 110838259 A CN110838259 A CN 110838259A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- fire
- main body
- small
- side plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims description 26
- 239000000779 smoke Substances 0.000 claims abstract description 42
- 239000011521 glass Substances 0.000 claims abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003546 flue gas Substances 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 238000012806 monitoring device Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 10
- 230000006399 behavior Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000011172 small scale experimental method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a small-size tunnel fire prevention experiment table which is simple in structure, convenient to install, simple to operate, low in cost, safe, reliable, small in environmental pollution, high in simulation degree of fire scenes of a real tunnel, capable of researching combustion behaviors, smoke behaviors and the like of fire in the tunnel and strong in applicability; inside ceramic fibre PLASTIC LAMINATED fireproof material that adds of tunnel main part, the preceding curb plate is fire prevention glass, in the sealed embedding glass frame, can manually open, is equivalent to the hand door, and the exhaust port of roof links to each other with the fan, is equipped with the track on the bottom plate, places the dolly that can move on the track above that, and the dolly middle part is equipped with the simulation fire disaster, can observe different positions conflagration condition, and this makes the research to tunnel conflagration flue gas control and temperature distribution law more convenient, safety.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a small-size tunnel fire simulation test bed.
Background
Subways are one of the important infrastructures in modern cities. Subways gradually become indispensable vehicles in cities due to the characteristics of large transportation volume, high speed, small pollution, high efficiency, comfort, space saving and the like. At present, rail transit systems such as subways and the like are built in more than 40 countries and more than 100 cities in the world, and the total length of lines is about ten thousand kilometers. With the rapid development of subways, subway stations, the interior of carriages and the like have become public places with dense people streams, and the safety problem of the subways also receives great attention of people. Once a subway system has disasters such as fire, explosion, terrorist attack and the like, huge casualties and property loss are caused, when the fire in the tunnel occurs, in a closed long and narrow space, internal personnel are not easy to evacuate, external rescue force is relatively difficult to enter, accumulated high-temperature smoke can cause the damage or even collapse of a tunnel structure, the fire smoke spreads along the tunnel, the smoke temperature is high, the smoke emission amount is large, the concentration of toxic gas is high, and the safe evacuation and escape of the personnel are greatly influenced. Therefore, the flue gas control and the temperature distribution rule in the case of tunnel fire are the main points of research in the engineering field.
The full-scale experiment has important practical significance for restoring a real fire result of the subway interval tunnel and determining the boundary conditions of the fire result. However, the experiment for carrying out the fire of the full-scale tunnel is high in cost, long in period of each experiment and high in danger, so that the full-scale experiment is difficult to be carried out in a large quantity. In small-scale experiments, advanced measurement systems can be used to measure various physical parameters, and experiments for various complex conditions can be repeated. Therefore, small-scale experiments help to reveal the nature of the problem in studying the mechanisms and properties of fire smoke flow, and at a lower cost.
However, the conventional small-size tunnel fire experiment platform has the defects of complex structure, difficulty in splicing, time-consuming construction, large occupied space, weak heat insulation performance, weak high-temperature heat insulation performance, inconvenience in monitoring and observation and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a small-size tunnel fire simulation test bed which is simple in structure, convenient to install, simple to operate, low in cost, safe, reliable, low in environmental pollution, high in simulation degree of a fire scene of a real tunnel, capable of researching the burning behavior, the smoke behavior and the like of fire in the tunnel and strong in applicability; inside ceramic fibre PLASTIC LAMINATED fireproof material that adds of tunnel main part, preceding curb plate are fire prevention glass, and in the sealed embedding glass frame, can manually open, be equivalent to hand door, the exhaust port of roof links to each other with the fan, has the track on the bottom plate, places the dolly that can move on the track above-mentioned, and the dolly middle part is equipped with the simulation fire disaster, can observe different positions conflagration condition for it is more convenient, safety to the research of tunnel conflagration flue gas control and temperature distribution law.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme.
The utility model provides a small-size tunnel fire simulation test platform which characterized in that includes: the tunnel comprises a tunnel main body, a fire source device, a monitoring device and a smoke exhaust device; the tunnel main body comprises a plurality of sub-tunnels which are welded in sequence, a base is arranged at the bottom end of each sub-tunnel, each sub-tunnel is provided with a top plate, a bottom plate, a front side plate and a rear side plate, a smoke exhaust port is formed in part of the top plate and connected with a fan, a track is formed in the bottom plate, and the fire source is arranged on a trolley on the track; the fire source device comprises an alcohol bottle and a burner; the shape of the burner is matched with that of the trolley, and the burner is filled with fuel into the trolley through an alcohol bottle; the fire source device supplies fire into the tunnel main body through a burner on the trolley; the monitoring device comprises a camera located outside the tunnel body for observing the combustion of a fire within the tunnel body; the smoke exhaust device comprises a variable frequency fan and a smoke exhaust pipe, the variable frequency fan is arranged at the left end and the right end of the tunnel main body, and the variable frequency fan is used for adjusting the wind speed in the tunnel main body.
According to the fire simulation test system for the small-size tunnel, the tunnel main body is formed by welding a plurality of sub-tunnels, and the number of the sub-tunnels can be selected according to actual needs so as to adjust the length of the tunnel main body. As shown in figure 1, the tunnel main body is formed by welding 7 sections of sub-tunnels with the length of 1.5m, the width of the tunnel main body is 1m, the height of the tunnel main body is 0.65m, and 1/15 small-size subway tunnels can be simulated. Two supporting seats are installed at the bottom end of each section of sub-tunnel, the supporting seats are of four-side stable supporting structures, the supporting seats are attached to the tunnel wall through welding or bolts, and the rear side plate of the tunnel main body abuts against the tunnel wall. The central line of the top plate of the partial sub-tunnel is provided with a smoke outlet (the size of the smoke outlet is 30cm multiplied by 30cm), and a variable frequency fan is arranged at the smoke outlet and used for ventilating in the tunnel main body. The fire source is arranged on a burner on the trolley (the size of the burner is 15cm multiplied by 15cm), and the burner of the fire source device is ignited by an alcohol bottle for providing the fire source to supply fire into the tunnel main body. Meanwhile, the burners of the fire source device can be placed at different positions in the tunnel main body according to actual requirements, so that ignition points at different positions, combustion behaviors of fire disasters in the tunnel main body, smoke behaviors and the like can be observed. The two ends of the tunnel main body are longitudinal ventilation openings, and the ventilation opening at the right end is open. The longitudinal ventilation openings at two ends of the tunnel main body are used for researching a tunnel fire smoke control method. The burner can be ignited by an alcohol bottle which provides a fire source, and supplies fire into the tunnel main body. Through adjusting the height that the combustor stretched into in the tunnel main part, and then can set up flame combustion face height according to actual conflagration sight, be convenient for imitate the conflagration scene in real tunnel, restore the height. A plurality of cameras are arranged on one side and the right side of the front side plate of the tunnel main body, and the combustion condition in the tunnel main body is recorded through the cameras. The frequency conversion fan is spliced above the second-section sub-tunnel at the left end of the tunnel main body, the longitudinal ventilation speed is changed by adjusting the frequency, and then the influence of the longitudinal ventilation on the fire of the tunnel is researched.
The small-size tunnel fire simulation test bed is simple in structure, convenient to install, higher in simulation degree of a fire scene of a real tunnel, convenient to research the influence condition of the position, height, wind speed and the like of a fire point on fire in a tunnel main body, records the corresponding condition through the monitoring device, and is convenient and visual.
According to the small-size tunnel fire simulation test system, the top plate, the bottom plate and the rear side plate are integrally formed, the thickness is 1.2mm, the small-size tunnel fire simulation test system is formed by bending a whole stainless steel plate, and the small-size tunnel fire simulation test system is simple in structure, convenient to install, small in occupied size and good in sealing performance.
Preferably, the top plate, the bottom plate and the rear side plate are made of stainless steel materials, and ceramic fiber fireproof plates are hermetically adhered in the top plate, the bottom plate and the rear side plate respectively; the front side plate is made of fireproof glass.
According to the small-size tunnel fire simulation test system, the top plate, the bottom plate and the rear side plate are made of stainless steel materials respectively, the ceramic fiber fireproof plates with the thickness of 13mm are hermetically adhered in the top plate, the bottom plate and the rear side plate respectively, and the ceramic fiber fireproof plates are excellent fireproof materials and have the advantages of light weight, high temperature resistance, small heat capacity, good heat preservation and insulation performance, good high temperature insulation performance, no toxicity and the like. The front side plate is made of fireproof glass, the thickness of the front side plate is 5mm, the length of the front side plate is 1.5m, the width of the front side plate is 0.65m, and the glass can be used for visual observation of experimental phenomena.
Preferably, the monitoring device further comprises a laser sheet light source, the left end of the tunnel main body is sequentially provided with a variable frequency fan and the laser sheet light source from left to right, and the laser sheet light source is used for monitoring a flue gas flow field in the tunnel main body.
According to the small-size tunnel fire simulation test bed, the laser sheet light source is used for monitoring the flue gas flow field in the tunnel main body and observing the motion trail of the flue gas layer.
Preferably, the monitoring device further comprises a thermocouple, the thermocouple is arranged in the tunnel main body, and the thermocouple is used for monitoring the temperature in the tunnel main body.
According to the small-size tunnel fire simulation test bed, the longitudinal central line of the top plate of each sub-tunnel is provided with the temperature detection hole, the thermocouple extends into the tunnel main body by 1-2cm through the temperature detection hole, and the temperature condition in the tunnel main body is measured in real time through the thermocouple.
Preferably, the monitoring device further comprises a CO concentration detector, the CO concentration detector is arranged in the tunnel main body, and the CO concentration detector is used for monitoring the CO concentration in the tunnel main body.
According to the small-size tunnel fire simulation test bed, the concentration detection hole is formed in the longitudinal central line of the top plate of each section of sub-tunnel, the CO concentration detector extends into the tunnel main body by 1-2cm through the concentration detection hole, and the CO concentration in the tunnel main body is monitored in real time through the CO concentration detector.
Preferably, the thermocouple temperature control device further comprises a data acquisition instrument, wherein a first signal input end of the data acquisition instrument is electrically connected with a signal output end of the thermocouple; and a second signal input end of the data acquisition instrument is electrically connected with a signal output end of the CO concentration detector.
According to the small-size tunnel fire simulation test bed, the data acquisition instrument is used for recording temperature information acquired by the thermocouple and CO concentration information acquired by the CO concentration detector in real time, and is convenient and visual.
Preferably, the fire extinguishing device further comprises a connecting pipe, wherein the connecting pipe can be connected with a water mist spray head, a dry powder spray head and the like and is used for observing fire extinguishing conditions in experiments.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a small-sized tunnel fire simulation test bed according to the present invention;
fig. 2 is a schematic perspective view of the tunnel body of fig. 1;
FIG. 3 is a schematic diagram of the structure of the neutron tunnel of FIG. 2;
in the above figures: 1, sub-tunnel; 2, a thermocouple; a 3CO concentration detector; 4, a variable frequency fan; 5, a smoke exhaust pipe; 6, supporting a seat; 7 a camera; 8, tracks; 9 a front panel structure; 10, a trolley; 11 a top plate; 12 a base plate; 13 a burner; 14, locking and buckling; 15 smoke collecting hood; 16 a tunnel frame; 17 a glass frame; 18 fire-resistant glass; 19 the left end is open; 20 the right end is open; 21 a smoke outlet; 22 a laser beam sheet source; and 23, taking over.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 3, a small-sized tunnel fire simulation test stand according to an embodiment of the present disclosure includes: the tunnel comprises a tunnel main body, a fire source device, a monitoring device and a smoke exhaust device; the tunnel main body comprises a plurality of sub-tunnels 1 which are welded in sequence, a supporting seat 6 is arranged at the bottom end of each sub-tunnel 1, each sub-tunnel 1 is provided with a top plate 11, a bottom plate 12, a front side plate 9 and a rear side plate, a smoke outlet 21 is formed in part of the top plate 11, and a track is formed in the bottom plate 12; the fire source device comprises a trolley 10, an alcohol bottle and a burner 13; wherein the shape of the burner 13 is matched with the shape of the trolley 10; the fire source device supplies fire into the tunnel main body through a burner on the trolley; the monitoring device comprises a camera 7, the camera 7 is positioned outside the tunnel body, and the camera 7 is used for observing the combustion condition in the tunnel body; the smoke exhaust device comprises a variable frequency fan 4 and a smoke exhaust pipe 5, wherein the variable frequency fan 4 is arranged above a partial top plate of the tunnel main body, and the variable frequency fan 4 is used for adjusting the wind speed in the tunnel main body.
In the above embodiment, the tunnel main body is formed by welding multiple sub-tunnels 1, and the number of the sub-tunnels 1 can be selected according to actual needs, so as to adjust the length of the tunnel main body. As shown in figure 1, the tunnel main body is formed by welding 7 sections of sub-tunnels 1 with the length of 1.5m, the width of the tunnel main body is 1m, the height of the tunnel main body is 0.65m, and 1/15 small-size subway tunnels can be simulated. The base 6 is independently installed under each sub-tunnel 1, four pillars of the base 6 are respectively arranged at four corners of the base 6 and attached to a tunnel wall through welding or bolts, and a rear side plate of the tunnel main body abuts against the tunnel wall. The central line of the top plate 11 of the partial sub-tunnel 1 is provided with a smoke outlet 21 (the size of the smoke outlet 21 is 30cm multiplied by 30cm), and a variable frequency fan is arranged at the smoke outlet and used for adjusting the wind speed in the tunnel main body. The bottom plate 12 in the tunnel is provided with a track 8, and a trolley and a burner on the track supply fire into the tunnel (the size of the burner 13 is 15cm multiplied by 15 cm). Meanwhile, the combustor 13 and the trolley of the fire source device can be moved to different positions in the tunnel main body according to actual requirements, and the combustor and the trolley are used for observing ignition points at different positions, combustion behaviors, smoke behaviors and the like of fire disasters in the tunnel main body. Longitudinal ventilation openings 19 and 20 at two ends of the tunnel main body are used for researching a tunnel fire smoke control method. A plurality of cameras 7 are provided on the front panel 9 side and the right side of the tunnel body, and the combustion of fire in the tunnel body is recorded by the cameras 7. The second section of the tunnel 1 at the left end of the tunnel main body is spliced with a variable frequency fan 4, the longitudinal ventilation speed is changed by adjusting the frequency, and then the influence of the longitudinal ventilation on the fire disaster of the tunnel is researched.
The small-size tunnel fire simulation test bed is simple in structure, convenient to install, higher in simulation degree of a fire scene of a real tunnel, convenient to research the influence condition of the position, height, wind speed and the like of an ignition point on fire in a tunnel main body, records the corresponding condition through the monitoring device, and is convenient and visual.
Referring to fig. 1-3, the top panel 11, bottom panel 12 and rear side panel are integrally formed according to one embodiment of the present invention; the upper end of the front side plate 9 is hinged with the bottom plate 12, and the upper end of the front side plate 9 is connected with the top plate 11 through a lock catch 14.
In the above embodiment, the top plate 11, the bottom plate 12 and the rear side plate are integrally formed, the thickness is 1.2mm, the whole stainless steel plate is bent to form the rear side plate, the structure is simple, the installation is convenient, the occupied size is small, and the sealing performance is good.
According to one embodiment of the invention, the top plate 11, the bottom plate 12 and the rear side plate are made of stainless steel materials, and ceramic fiber fireproof plates are hermetically adhered in the top plate 11, the bottom plate 12 and the rear side plate respectively; the front side plate 9 is made of fireproof glass.
In the above embodiment, the top plate 11, the bottom plate 12 and the rear side plate are made of stainless steel, and the ceramic fiber fireproof plate with a thickness of 6mm is hermetically adhered in the top plate 11, the bottom plate 12 and the rear side plate, respectively, and the ceramic fiber fireproof plate is an excellent fireproof material and has the advantages of light weight, high temperature resistance, small heat capacity, good heat preservation and insulation performance, good high temperature insulation performance, no toxicity and the like. The front side plate 9 is made of fireproof glass, and the front side plate 9 is made of glass with the thickness of 5mm, the length of 1.5m and the width of 0.65m and can be used for visual observation of experimental phenomena. A lock 14 is arranged on the upper edge of the tunnel frame 16 of each sub-tunnel 1, the lock 14 is opened, the fireproof glass 18 and the glass frame 17 can be rotated and opened from top to bottom, so that the preparation work before the experiment of the tunnel main body is carried out, such as arrangement of the thermocouple 3, arrangement of the CO concentration detector 2 and the like. After completion, the fire resistant glazing 18 and glazing frame 17 are lifted and secured with the latch 14.
Referring to fig. 1-2, according to one embodiment of the present invention, the monitoring device further comprises a thermocouple 3, the thermocouple 3 being disposed within the tunnel body, the thermocouple 3 being for monitoring the temperature within the tunnel body.
In the above embodiment, a temperature detection hole is formed on the longitudinal central line of the top plate 11 of each section of sub-tunnel 1, the thermocouple 3 extends into the tunnel main body by 1-2cm through the temperature detection hole, and the temperature condition in the tunnel main body is measured in real time through the thermocouple 3.
Referring to fig. 1-2, according to one embodiment of the present invention, the monitoring device further comprises a CO concentration detector 2, the CO concentration detector 2 being disposed within the tunnel body, the CO concentration detector 2 being for monitoring the CO concentration within the tunnel body.
In the above embodiment, a concentration detection hole is formed on the longitudinal central line of the top plate 11 of each section of the sub-tunnel 1, the CO concentration detector 2 extends into the tunnel main body by 1-2cm through the concentration detection hole, and the CO concentration in the tunnel main body is monitored in real time through the CO concentration detector 2.
Referring to fig. 1-2, according to an embodiment of the present invention, the monitoring device further includes a laser sheet light source 22, the variable frequency fan 4 and the laser sheet light source 22 are sequentially disposed from left to right at the left end of the tunnel main body, and the laser sheet light source 22 is used for monitoring a flue gas flow field in the tunnel main body.
In the above embodiment, the laser sheet light source 22 is used for monitoring the flue gas flow field in the tunnel main body and observing the motion trail of the flue gas layer.
According to one embodiment of the invention, the device further comprises a data acquisition instrument, wherein a first signal input end of the data acquisition instrument is electrically connected with a signal output end of the thermocouple 3; and a second signal input end of the data acquisition instrument is electrically connected with a signal output end of the CO concentration detector 2.
In the above embodiment, the data acquisition instrument is used for recording the temperature information acquired by the thermocouple 3 and the CO concentration information acquired by the CO concentration detector 2 in real time, and is convenient and intuitive.
Referring to fig. 2, according to an embodiment of the present invention, a nipple 23 is further included, and the nipple 23 is disposed at a middle position of the tunnel body.
In the above embodiments, the adapter tube can be connected with a water mist nozzle, a dry powder nozzle and the like for observing the fire extinguishing condition in the experiment.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a small-size tunnel fire simulation test platform which characterized in that includes: the tunnel comprises a tunnel main body, a fire source device, a monitoring device and a smoke exhaust device;
openings (19, 20) are formed in the left end and the right end of the tunnel main body, the tunnel main body comprises a plurality of sub-tunnels (1) which are welded in sequence, a base (6) is arranged at the bottom end of each sub-tunnel (1), each sub-tunnel (1) is provided with a top plate (11), a bottom plate (12), a front side plate (9) and a rear side plate, smoke exhaust ports (21) are formed in part of the top plates (11), the smoke exhaust ports (21) are connected with a variable frequency fan (4), a track (8) is formed in the bottom plate (12), and the fire source is arranged on a trolley (10) on the track;
the fire source device comprises a trolley (10), an alcohol bottle and a burner (13); wherein the shape of the burner (13) is matched with that of the trolley (10), and the burner (13) is used for putting fuel into the trolley through an alcohol bottle; the fire source device supplies fire into the tunnel main body through a burner (13) on the trolley;
the monitoring device comprises a camera (7), the camera (7) is positioned outside the tunnel body, and the camera (7) is used for observing the combustion condition of fire in the tunnel body;
the smoke exhaust device comprises a variable frequency fan (4) and a smoke exhaust pipe (5), wherein the variable frequency fan (4) is arranged at the upper end of a partial top plate of the tunnel main body and is connected with the smoke exhaust pipe (5), and the variable frequency fan (4) is used for adjusting the wind speed in the tunnel main body. The smoke exhaust pipe is provided with a smoke exhaust valve, the included angle between the blade and the horizontal plane can be adjusted between 0 and 90 degrees, the smoke exhaust pipe is in a closed state at 0 degree, and smoke is not exhausted at the moment; the smoke is vertical to the horizontal plane when the temperature is 90 degrees, and the smoke discharge amount is maximum; along with the increase of the angle, the smoke discharge amount is also increased, thereby achieving the effect of controlling the smoke discharge amount.
2. The small-sized tunnel fire simulation test bed according to claim 1, wherein the top plate (11), the bottom plate (12) and the rear side plate are integrally formed; the lower end of the front side plate (9) is hinged to the bottom plate (12), and the upper end of the front side plate (9) is connected with the top plate (11) through a lock catch (14).
3. The fire simulation test bed for the small-sized tunnel according to claim 2, wherein the top plate (11), the bottom plate (12) and the rear side plate are made of stainless steel, and ceramic fiber fireproof plates are hermetically adhered in the top plate (11), the bottom plate (12) and the rear side plate respectively; the front side plate (9) is formed by sealing and embedding fireproof glass (18) into a glass frame (17). The front side plate (9) can be rotated and opened from top to bottom and is fastened through a lock catch (14) on the upper edge of the tunnel frame in a closed state.
4. The fire simulation test bench for small-sized tunnels according to claim 1, wherein the monitoring device further comprises a thermocouple (3), the thermocouple (3) being disposed in the tunnel body, the thermocouple (3) being used for monitoring the temperature in the tunnel body.
5. The fire simulation test bed for small-sized tunnels according to claim 1, wherein the monitoring device further comprises a CO concentration detector (2), the CO concentration detector (2) is disposed in the tunnel body, and the CO concentration detector (2) is used for monitoring the CO concentration in the tunnel body.
6. The small-size tunnel fire simulation test bed according to claim 1, further comprising a data acquisition instrument, wherein a first signal input end of the data acquisition instrument is electrically connected with a signal output end of the thermocouple (3); and a second signal input end of the data acquisition instrument is electrically connected with a signal output end of the CO concentration detector (2).
7. The fume collecting device is arranged outside the far end of the simulated tunnel from the fire source according to the claim 1, and comprises a fume collecting hood (15) and a fume exhaust pipe (5).
8. The fire simulation test bed for the small-size tunnel according to claim 1, wherein the monitoring device further comprises a laser sheet light source (22), the variable frequency fan (4) and the laser sheet light source (22) are sequentially arranged at the left end of the tunnel main body from left to right, and the laser sheet light source (22) is used for monitoring a flue gas flow field in the tunnel main body.
9. The fire simulation test bed for small-sized tunnels according to claim 1, wherein the monitoring device further comprises a connecting pipe (23), the connecting pipe (23) is arranged in the tunnel main body, and the connecting pipe (23) can be connected with a water mist nozzle, a dry powder nozzle and the like for observing fire extinguishing conditions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911298912.0A CN110838259A (en) | 2019-12-17 | 2019-12-17 | Fire simulation test bed for small-size tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911298912.0A CN110838259A (en) | 2019-12-17 | 2019-12-17 | Fire simulation test bed for small-size tunnel |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110838259A true CN110838259A (en) | 2020-02-25 |
Family
ID=69578690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911298912.0A Pending CN110838259A (en) | 2019-12-17 | 2019-12-17 | Fire simulation test bed for small-size tunnel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110838259A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111462606A (en) * | 2020-04-21 | 2020-07-28 | 合肥工业大学 | Traffic tunnel group smoke cross flow research and emergency rescue system |
CN112014423A (en) * | 2020-07-24 | 2020-12-01 | 国网湖南省电力有限公司 | Fire extinguishing agent fire extinguishing performance testing device |
CN113058180A (en) * | 2021-03-23 | 2021-07-02 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
CN113781887A (en) * | 2021-10-25 | 2021-12-10 | 国网江苏省电力有限公司电力科学研究院 | Fire inversion simulation analysis system based on container type cable tunnel |
CN113820443A (en) * | 2021-09-02 | 2021-12-21 | 深圳职业技术学院 | Flame spread characteristic measuring device and measuring method |
CN115856195A (en) * | 2022-11-30 | 2023-03-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | Indoor fire source loading method for simulating real fire of underground tunnel |
CN116147953A (en) * | 2023-02-13 | 2023-05-23 | 河北省高速公路延崇管理中心(河北省高速公路京雄管理中心) | Test device and test method for fire extinguishment by spiral tunnel ventilation coupling water mist |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102750848A (en) * | 2012-06-08 | 2012-10-24 | 中国科学技术大学 | Subway station fire experiment simulation device |
CN110223590A (en) * | 2019-06-18 | 2019-09-10 | 长安大学 | A kind of small size tunnel fire hazard simulation experiment system |
CN211455075U (en) * | 2019-12-17 | 2020-09-08 | 安徽理工大学 | Fire simulation test bed for small-size tunnel |
-
2019
- 2019-12-17 CN CN201911298912.0A patent/CN110838259A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102750848A (en) * | 2012-06-08 | 2012-10-24 | 中国科学技术大学 | Subway station fire experiment simulation device |
CN110223590A (en) * | 2019-06-18 | 2019-09-10 | 长安大学 | A kind of small size tunnel fire hazard simulation experiment system |
CN211455075U (en) * | 2019-12-17 | 2020-09-08 | 安徽理工大学 | Fire simulation test bed for small-size tunnel |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111462606A (en) * | 2020-04-21 | 2020-07-28 | 合肥工业大学 | Traffic tunnel group smoke cross flow research and emergency rescue system |
CN112014423A (en) * | 2020-07-24 | 2020-12-01 | 国网湖南省电力有限公司 | Fire extinguishing agent fire extinguishing performance testing device |
CN113058180A (en) * | 2021-03-23 | 2021-07-02 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
CN113058180B (en) * | 2021-03-23 | 2021-10-22 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
CN113820443A (en) * | 2021-09-02 | 2021-12-21 | 深圳职业技术学院 | Flame spread characteristic measuring device and measuring method |
CN113781887A (en) * | 2021-10-25 | 2021-12-10 | 国网江苏省电力有限公司电力科学研究院 | Fire inversion simulation analysis system based on container type cable tunnel |
CN115856195A (en) * | 2022-11-30 | 2023-03-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | Indoor fire source loading method for simulating real fire of underground tunnel |
CN116147953A (en) * | 2023-02-13 | 2023-05-23 | 河北省高速公路延崇管理中心(河北省高速公路京雄管理中心) | Test device and test method for fire extinguishment by spiral tunnel ventilation coupling water mist |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211455075U (en) | Fire simulation test bed for small-size tunnel | |
CN110838259A (en) | Fire simulation test bed for small-size tunnel | |
CN108682269B (en) | Small-size multifunctional size-adjustable dual-purpose fire experiment platform for tunnel train and experiment method thereof | |
CN102162375B (en) | On-site hot smoke test equipment and method for subway station and inter-station tunnel | |
CN1937006A (en) | Subway disaster accident simulation testing platform | |
CN101527096B (en) | Stairwell fire simulation experimental apparatus of super high-rise buildings | |
CN102306459B (en) | Fire simulation experiment system for railway tunnel rescue station | |
CN110223590A (en) | A kind of small size tunnel fire hazard simulation experiment system | |
CN204117391U (en) | Portable fire drill equipment | |
CN109331361B (en) | Totally-enclosed separation fire extinguishing method for highway tunnel fire | |
CN206177860U (en) | Full -scale multi -functional vary voltage of plane cargo space experiment test system | |
CN106683557A (en) | Simulating device for fire spread in channel type limited space | |
CN106875822A (en) | A kind of facade fire disaster simulation device | |
CN110111635B (en) | Double-long-narrow space fire experiment platform for small-size subway tunnel/train carriage | |
CN111261011A (en) | Mine fire simulation experiment platform and experiment method | |
CN106530930A (en) | Fire simulation experimental system for industrial production line | |
CN111145627B (en) | Adjustable Y-shaped tunnel simulation experiment system | |
CN112697954A (en) | Experimental device for multi-functional large-scale facade fire spreading prevention and control separation | |
CN214121900U (en) | Visual utility tunnel fire model test device | |
CN208873378U (en) | A kind of simulator that research wind environment moderate heat overflow is spread in long-narrow confined space | |
CN208922613U (en) | Small-size multifunctional size-adjustable tunnel and train dual-purpose fire experiment platform | |
CN206921256U (en) | A kind of fire escape system of building | |
CN114413959B (en) | Multifunctional roadway fire experiment platform and method | |
CN104778895A (en) | Comprehensive fire test system for large-section immersed tunnel | |
CN206672497U (en) | Industrial production line fire simulation experimental apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |