CN111415568A - Double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system - Google Patents
Double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system Download PDFInfo
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Abstract
The invention discloses a double-hole single-line tunnel encrypted transverse passage type rescue station fire disaster model test system which comprises a tunnel system, a fire source simulation device, a smoke exhaust pipeline and a monitoring device, wherein the tunnel system is provided with a tunnel inlet and a fire source outlet; the tunnel system comprises a main tunnel channel and a transverse connecting channel, wherein the main tunnel channel is two channels which are arranged in parallel, and two ends of the transverse connecting channel are provided with jet fans; two ends of the transverse connecting channel are respectively communicated with the two main tunnel channels and are vertical to the main tunnel channels; the fire source simulation device is arranged in the main tunnel channel; the smoke exhaust pipeline is arranged at the tops of the two main tunnel channels through the fixed flange and communicated with the two main tunnel channels; discharging the smoke in the main tunnel channel along a smoke discharge pipeline through a jet fan; the monitoring devices are arranged in the main tunnel channels and the transverse connecting channels and are used for monitoring the flue gas concentration and the flow rule in the two main tunnel channels and the transverse connecting channels; this scheme can carry out the combination of multiform with different modules, promotes concatenation efficiency, adapts to the experimental demand of different environment.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system.
Background
Currently, with the rapid development of the railway construction industry in China, the number and the length of railway tunnels in China are continuously increased, great convenience is brought to people's traveling to a certain extent, and meanwhile, a great number of potential safety hazards such as fire hazards are brought. In order to research the flow rule, ventilation strategy and the like of smoke under the condition that fire disasters occur in different types of tunnels, a tunnel structure model which has the same shape and structure as an actual tunnel is designed for fire disaster tests, and the tunnel structure model can be effectively used for guiding the structural design of ventilation and smoke exhaust modes in the actual operation process of the tunnel, so that the safety of railway tunnel operation is improved, and the high efficiency of fire accidents is solved.
However, although the development of a full-scale tunnel fire research is the most direct research means, due to the particularity of the tunnel structure and the characteristics of a huge aspect ratio, the full-scale tunnel test is not only large in scale, difficult to operate and high in cost, but also difficult to obtain a large amount of accurate experimental data, so that the small-scale simulation test research is particularly important in the research method for the tunnel fire. The small-size simulation test system can be used for effectively researching and analyzing the smoke flow rule and the ventilation condition in the simulation test tunnel, but the conventional small-size tunnel fire test system has the defects of complex system structure, difficulty in splicing, time consumption in building, large occupied space, weak heat insulation performance, weak high-temperature heat insulation performance, inconvenience in monitoring and observation and the like.
Therefore, the double-hole single-track tunnel encrypted transverse passage type rescue station fire model test system which is simple in structure, easy to assemble and capable of researching and analyzing characteristic parameters such as flue gas flow rule, temperature field, heat radiation value and ventilation strategy in a tunnel under the condition that a fire disaster happens in a very long railway tunnel in a laboratory is provided, and the problem needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The present invention solves at least to some extent one of the above-mentioned technical problems of the prior art.
In view of this, the invention aims to provide a double-hole single-line tunnel encrypted transverse passage type rescue station fire disaster model test system which has the advantages of compact and clear structure, convenience in detecting and observing test data, easiness in assembly, capability of researching and analyzing characteristic parameters such as a flue gas flow rule, a temperature field, a heat radiation value and a ventilation strategy in a tunnel under the condition that a fire disaster occurs in a very long railway tunnel in a laboratory, and strong practicability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a double-hole single-line tunnel encrypted transverse channel type rescue station fire disaster model test system comprises a tunnel system, a fire source simulation device, a smoke exhaust pipeline and a monitoring device;
the tunnel system comprises a main tunnel channel and a transverse connecting channel, wherein the main tunnel channel is two channels which are arranged in parallel, and two ends of the transverse connecting channel are provided with jet fans; two ends of the transverse connecting channel are respectively communicated with the two main tunnel channels and are vertical to the main tunnel channels;
the fire source simulation device is arranged in the main tunnel channel;
the smoke exhaust pipeline is arranged at the tops of the two main tunnel channels through a fixed flange and is communicated with the two main tunnel channels; discharging the smoke in the main tunnel channel along the smoke discharge pipeline through the jet fan; (ii) a
The monitoring device is installed in the main tunnel channel and the transverse connecting channel and used for monitoring the flue gas concentration and the flue gas flowing rule in the two main tunnel channels and the transverse connecting channel.
According to the technical scheme, compared with the prior art, the invention discloses a fire model test system for the double-hole single-line tunnel encrypted transverse channel type rescue station, a fire scene in a tunnel can be effectively simulated by utilizing a fire source simulation system arranged in a tunnel system, and the time value condition of a fire is monitored in real time by a monitoring device; after the main tunnel channel catches fire, the jet fan is opened, the airflow blows to the main tunnel channel, the smoke is prevented from entering the transverse connecting channel, a shelter is provided for people in the tunnel, smoke in the main tunnel channel is discharged in a concentrated mode through smoke discharge pipelines communicated with the two main tunnel channels, the flowing rule of the smoke flowing in the main tunnel channel is observed conveniently, and the accuracy and the effectiveness of the tunnel fire test research are improved.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, the two main tunnel passages each include a main tunnel base module, a main tunnel observation module, a main tunnel smoke exhaust port module, a main tunnel adjustment module, a main tunnel combustion module and a connecting tee module; the main tunnel foundation module, the main tunnel observation module, the main tunnel smoke exhaust port module, the main tunnel adjusting module, the main tunnel combustion module and the connecting tee joint module are sequentially and repeatedly spliced;
the fire source simulation device is arranged in the main tunnel combustion module; by adopting the scheme, different modules can be spliced and combined in various forms according to specific experimental environments, so that different experimental requirements are met; the selectivity is strong, and is more flexible and convenient.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, an observation window is arranged on the side wall of the main tunnel observation module; by adopting the scheme, the actual situation in the channel can be observed at any time;
the top of the main tunnel smoke outlet module is provided with a smoke exhaust channel, and the smoke exhaust channel is provided with an air door baffle; the smoke exhaust pipeline is arranged on a smoke exhaust pipeline in the two main tunnel channels, and the main tunnel channels are controlled to be communicated with and closed by the air door baffle; by adopting the scheme, after the main tunnel channel at one side catches fire, the air door baffle at the non-fire side is closed, the wind directions of the two jet flow fans are adjusted to blow to the main tunnel channel at the fire side, so that the smoke is further prevented from flowing to the transverse connecting channel, and the smoke discharging speed in the main tunnel channel at the fire side is accelerated by enhancing the wind power;
the length of the main tunnel adjusting module is smaller than that of the main tunnel base module; by adopting the scheme, the length of the whole experimental system can be changed by replacing the main tunnel base module and the main tunnel adjusting module, and the experimental system is suitable for different environments;
a connecting port and an observation window are formed in the side wall of the three-way connecting module; the splicing ends at the two ends are spliced with the adjacent modules of the main tunnel channel; and two opposite connectors in the two main tunnel channels are respectively communicated with two ends of the transverse connecting channel.
Preferably, in the above fire model test system for the double-hole single-line tunnel encrypted transverse passage type rescue station, the length of the main tunnel adjusting module is one third to two thirds of the length of the main tunnel base module; the scheme can realize the change of the length of the whole experimental system by replacing the main tunnel base module and the main tunnel adjusting module, and is suitable for different environments; the relation between the range of the parameters such as the flue gas flow rule in the test system and the length of the channel is facilitated, the flexibility of the test system structure is improved, and the application range of the test system is expanded.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, a combustion port is formed in the side wall of the main tunnel combustion module, a push-pull drawer is mounted at the combustion port in a matched mode, and the push-pull drawer is connected with the main tunnel combustion module in a sliding mode;
the fire source simulation device is arranged in the push-pull drawer; this scheme is convenient for the testing personnel to operate, provides the fire source for this test system, has improved the convenience of testing personnel operation, avoids scalding the problem, improves the security.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, the transverse connecting passage comprises a transverse connecting passage protection door module and a smoke exhaust port butt joint module; a protective door is installed at one end of the transverse connecting channel protective door module, and the jet fan is installed on the top wall of the transverse connecting channel protective door module; the top of the smoke outlet butt joint module is provided with a standby smoke outlet;
two ends of the smoke outlet butt joint module are respectively spliced with one end of each of the two transverse connecting channel protective door modules, and the other ends of the two transverse connecting channel protective door modules are respectively connected with the connecting ports of the two connecting tee modules; according to the scheme, the protective door and the jet fan can effectively prevent smoke in the main tunnel from entering the transverse connecting channel and the other main tunnel channel, so that evacuation and escape of people from the transverse connecting channel to the other main tunnel channel are facilitated.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, the main tunnel foundation module, the main tunnel observation module, the main tunnel smoke vent module, the main tunnel adjusting module, the main tunnel combustion module, the connecting tee module, the transverse connecting passage protection door module and the smoke vent butt-joint module all comprise a module frame, a U-shaped bottom plate, an arc-shaped bent top plate and an adjusting screw rod, and the U-shaped bottom plate and the arc-shaped bent top plate are respectively installed on the outer side of the module frame in an adaptive manner to form a sealing structure; the number of the adjusting screws is multiple, and the adjusting screws are respectively and rotatably connected to two sides of the end part of the module frame; the height of each module is convenient for guarantee through adjusting screw's height to this scheme, makes this test system arrange the uneven condition in road surface in under, can ensure through adjusting screw that each module in this test system is located same horizontal plane to this test system overall structure's equilibrium and stability have been improved.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, the splicing end faces of the main tunnel foundation module, the main tunnel observation module, the main tunnel smoke vent module, the main tunnel adjusting module, the main tunnel combustion module, the connecting tee module, the transverse connecting passage protection door module and the smoke vent splicing module are all provided with a butt flange and a connecting piece, and after a tenon at the bottom of the butt flange at the bottom of the splicing end is clamped with a groove, the adjacent modules are fixed through the connecting piece; this scheme can make this test system overall structure stability good, and the leakproofness is stronger, and promotes concatenation efficiency.
Preferably, in the double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system, the smoke exhaust pipeline comprises an elbow module, a flue module and a smoke exhaust four-way module; the smoke inlet and the smoke outlet of the elbow module are vertical;
smoke inlets of the elbow modules are connected with smoke outlets of the vertical shaft modules in the two main tunnels through fixed flanges, smoke outlets of the elbow modules are provided with the flue modules, and the smoke outlets of the elbow modules are connected with two smoke outlets of the smoke exhaust four-way module through the flue modules; the plurality of smoke discharging four-way modules are communicated through the flue modules to form a common smoke discharging channel; according to the scheme, the smoke in the tunnel is discharged through the common flue, the compactness of the whole structure of the smoke discharging system is improved, and meanwhile, the smoke flowing rule in the test system is convenient to measure, so that a corresponding ventilation strategy is worked out.
Preferably, in the above fire model test system for the double-hole single-line tunnel encrypted transverse passage type rescue station, the monitoring device includes a plurality of gas sensors and a control terminal, the plurality of gas sensors are respectively and uniformly arranged in the main tunnel base module, the main tunnel observation module, the main tunnel smoke vent module, the main tunnel combustion module, the connecting tee module and the transverse connecting passage protection door module, and the plurality of gas sensors are in signal connection with the control terminal; according to the scheme, the smoke concentration and the smoke flowing condition in the main tunnel basic module, the main tunnel main observation module, the main tunnel main smoke exhaust port module, the main tunnel main combustion module, the main tunnel connecting tee joint module and the transverse connecting channel protective door module at different positions can be accurately measured under the condition that a fire disaster happens in the tunnel, so that the research and analysis of characteristic parameters such as the smoke flowing rule, the temperature field and the heat radiation value in the tunnel are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
FIG. 3 is a schematic structural diagram of a main tunnel base module according to the present invention;
FIG. 4 is a schematic structural diagram of a main tunnel observation module according to the present invention;
FIG. 5 is a schematic structural view of a main tunnel smoke exhaust module according to the present invention;
FIG. 6 is a schematic structural diagram of a main tunnel adjusting module according to the present invention;
FIG. 7 is a schematic structural view of a primary tunnel combustion module according to the present invention;
FIG. 8 is a schematic structural diagram of a junction tee module of the present invention;
FIG. 9 is a schematic view of the construction of the transverse link channel protective door module of the present invention;
FIG. 10 is a schematic structural view of a smoke outlet docking module according to the present invention;
FIG. 11 is an exploded view of the main tunnel base module of the present invention;
FIG. 12 is a schematic view of the elbow flue of the present invention;
figure 13 is an exploded view of the smoke evacuation cross-section module of the present invention.
Drawings
The tunnel system comprises a tunnel system 1, a main tunnel channel 11, a main tunnel foundation module 110, a main tunnel observation module 111, an observation window 1110, a main tunnel smoke exhaust port module 112, a smoke exhaust port 1120, a main tunnel adjusting module 113, a main tunnel combustion module 114, a push-pull drawer 1140, a connecting tee module 115, a connecting port 1150, a transverse connecting channel 12, a transverse connecting channel protection door module 120, a protection door 1200, a smoke exhaust port butt-joint module 121 and a standby smoke exhaust port 1210;
the smoke exhaust pipeline 2, the elbow module 20, the flue module 21 and the smoke exhaust four-way module 22;
the module comprises a module frame 30, a U-shaped bottom plate 31, an arc-shaped bent top plate 32, an adjusting screw 33 and a butt flange 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 13, the present invention discloses a fire model test system for a double-hole single-line tunnel encrypted transverse passage type rescue station, comprising:
the system comprises a tunnel system 1, a fire source simulation device, a smoke exhaust pipeline 2 and a monitoring device;
the tunnel system 1 comprises a main tunnel channel 11 and a transverse connecting channel 12, wherein the main tunnel channel 11 is two channels which are arranged in parallel, and two ends of the transverse connecting channel 12 are provided with jet fans; two ends of the transverse connecting channel 12 are respectively communicated with the two main tunnel channels 11 and are vertical to the main tunnel channels;
the fire source simulation device is arranged in the main tunnel channel 11;
the smoke exhaust pipeline 2 is arranged at the top of the two main tunnel channels 11 through a fixed flange and is communicated with the two main tunnel channels 11; discharging the smoke in the main tunnel channel 11 along the smoke discharge pipeline 2 through a jet fan;
the monitoring device is installed inside the main tunnel channel 11 and the transverse connecting channel 12 and is used for monitoring the flue gas concentration and the flue gas flowing rule in the two main tunnel channels 11 and the transverse connecting channel 12.
According to an alternative embodiment of the present invention, each of the two main tunnel tunnels 11 comprises a main tunnel base module 110, a main tunnel observation module 111, a main tunnel smoke vent module 112, a main tunnel regulation module 113, a main tunnel combustion module 114 and a connecting tee module 115; the main tunnel base module 110, the main tunnel observation module 111, the main tunnel smoke outlet module 112, the main tunnel adjusting module 113, the main tunnel combustion module 114 and the connecting tee joint module 115 are repeatedly spliced in sequence;
the fire source simulation device is installed in the main tunnel combustion module 114; different modules can be spliced and combined in various forms according to specific experimental environments, so that different experimental requirements can be met; the selectivity is strong, and is more flexible and convenient.
According to an alternative embodiment of the present invention, the side wall of the main tunnel observation module 111 is provided with an observation window 1110; by adopting the scheme, the actual situation in the channel can be observed at any time;
the top of the main tunnel smoke outlet module 112 is provided with a smoke outlet 1120, and the smoke outlet 1120 is provided with an air door baffle; the smoke exhaust pipeline 2 is arranged on a smoke exhaust channel 1120 in the two main tunnel channels 11, and the communication and the closing of the main tunnel channels 11 and the smoke exhaust pipeline 2 are controlled by air door baffles;
the length of the main tunnel adjusting module 113 is smaller than that of the main tunnel base module 110; by adopting the scheme, the length change of the whole experimental system can be realized by replacing the main tunnel base module 110 and the main tunnel adjusting module 113, and the experimental system is suitable for different environments;
a connecting port 1150 and an observation window 1110 are formed on the side wall of the three-way connecting module 115; the splicing ends at the two ends are spliced with the adjacent modules of the main tunnel channel 11; two opposite connecting ports 1150 in the two main tunnel channels 11 are respectively communicated with two ends of the transverse connecting channel 12; .
According to an optional embodiment of the present invention, the observation window 1110 is a transparent observation window, and the transparent observation window is made of high temperature resistant glass, so that the service life of the test system can be effectively prolonged.
According to an optional embodiment of the present invention, an air door baffle may be further hinged to the exhaust channel 1120, so that data such as flue gas concentration, temperature field, flue gas flow condition and the like in the test system in the open and closed states of the air door baffle can be respectively monitored, and a suitable coping strategy can be further formulated.
According to an alternative embodiment of the present invention, the length of the main tunnel adjustment module 113 is one third to two thirds of the length of the main tunnel base module 110; the scheme can realize the length of the whole experimental system by replacing the main tunnel base module 110 and the main tunnel adjusting module 113, and is suitable for different environments; the relation between the range of the parameters such as the flue gas flow rule in the test system and the length of the channel is facilitated, the flexibility of the test system structure is improved, and the application range of the test system is expanded.
According to an optional embodiment of the invention, the distance between adjacent transverse connecting channels of the test system is 6m, the distance between adjacent transverse connecting channels of the test system can be adjusted to 5m by adjusting the main tunnel adjusting modules, and in addition, the length of the system and the distance between two main tunnel channels can be adjusted by changing the installation number of the modules, namely, the test system is easy to adjust, so that different railway tunnels can be conveniently simulated, and parameters such as flue gas flow rules in different test systems can be recorded and analyzed.
According to an alternative embodiment of the present invention, a combustion port is provided on the side wall of the main tunnel combustion module 114, a push-pull drawer 1140 is fitted to the combustion port, and the push-pull drawer 1140 is slidably connected to the main tunnel combustion module 114;
the fire source simulation device is arranged in the push-pull drawer 1140; the tester of being convenient for operates, provides the fire source for this test system, has improved the convenience of tester operation, avoids scalding the problem, improves the security.
Specifically, the material that main tunnel combustion module 114 adopted is high temperature resistant corrosion resistant plate to can effectively keep apart high temperature, avoid testing personnel to take place the scald accident in operation process, improve the security of operation, still prolong this test system's life simultaneously.
According to an alternative embodiment of the present invention, the cross connecting channel 12 comprises a cross connecting channel guard door module 120 and a smoke exhaust port docking module 121; one end of the transverse connecting channel protective door module 120 is provided with a protective door 1200, and the jet fan is arranged on the top wall of the transverse connecting channel protective door module 120; a standby smoke outlet 1210 is arranged at the top of the smoke outlet butt-joint module 121;
two ends of the smoke outlet butt-joint module 121 are respectively spliced with one ends of two transverse connecting channel protective door modules 120, and the other ends of the two transverse connecting channel protective door modules 120 are respectively connected with connecting ports 1150 of two connecting tee modules 115; the protective door 1200 and the jet fan can effectively prevent smoke in the main tunnel from entering the transverse connecting channel 12 to another main tunnel channel, so that evacuation and escape of people from the transverse connecting channel 12 to another main tunnel channel are facilitated.
According to an optional embodiment of the invention, the main tunnel foundation module 110, the main tunnel observation module 111, the main tunnel smoke vent module 112, the main tunnel adjusting module 113, the main tunnel combustion module 114, the connecting tee module 115, the transverse connecting channel guard gate module 120 and the smoke vent butt-joint module 121 all comprise a module frame 30, a U-shaped bottom plate 31, an arc-shaped bent top plate 32 and an adjusting screw rod 33, wherein the U-shaped bottom plate 31 and the arc-shaped bent top plate 32 are respectively installed on the outer side of the module frame 30 in a matched manner to form a sealing structure; a plurality of adjusting screws 33 are provided, and the plurality of adjusting screws 33 are respectively rotatably connected to two sides of the end of the module frame 30; the height of each module is convenient to guarantee through adjusting screw 33's setting, makes this test system under the condition of placing the road surface in uneven, can ensure through adjusting screw 33 that each module in this test system is located same horizontal plane to this test system overall structure's equilibrium and stability have been improved.
Furthermore, an inner liner matched with the inner side of the module frame 30 can be installed, and the module frame 30 is clamped and fixed through the inner liner, the U-shaped bottom plate 31 and the arc-shaped bent top plate 32 to form a double-layer sealing structure.
According to an optional embodiment of the invention, the splicing end faces of the main tunnel foundation module 110, the main tunnel observation module 111, the main tunnel smoke vent module 112, the main tunnel adjusting module 113, the main tunnel combustion module 114, the connecting tee-joint module 115, the transverse connecting channel protective door module 120 and the smoke vent butt-joint module 121 are respectively provided with a butt-joint flange 34 and a connecting piece, and after the bottom clamping tenon and the groove clamping section of the butt-joint flange 34 at the bottom of the splicing end, the adjacent modules are fixed through the connecting pieces; the test system has the advantages of good stability of the whole structure, stronger sealing performance and improvement of splicing efficiency.
According to an alternative embodiment of the invention, the smoke exhaust duct 2 comprises an elbow module 20, a flue module 21 and a smoke exhaust four-way module 22; the smoke inlet and the smoke outlet of the elbow module 20 are vertical;
the smoke inlets of the elbow modules 20 are connected with the smoke discharge channels 1120 of the vertical shaft modules 112 in the two main tunnels through fixed flanges, the smoke outlets of the elbow modules are provided with the flue modules 21, and the smoke discharge channels are connected with the two smoke outlets of the smoke discharge four-way module 22 through the flue modules 21; the plurality of smoke discharging four-way modules 22 are communicated through the flue modules 21 to form a common smoke discharging channel; the smoke in the tunnel is discharged through the common flue, the compactness of the whole structure of the smoke discharging system is improved, and meanwhile, the smoke flowing rule in the test system is convenient to measure, so that a corresponding ventilation strategy is worked out.
According to an optional embodiment of the invention, the monitoring device comprises a plurality of gas sensors and a control terminal, the plurality of gas sensors are respectively and uniformly arranged in the main tunnel base module 110, the main tunnel observation module 111, the main tunnel smoke outlet module 112, the main tunnel combustion module 114, the connecting tee module 115 and the transverse connecting channel protection door module 120, and the plurality of gas sensors are in signal connection with the control terminal; the smoke concentration and the smoke flowing condition in the main tunnel base module 110, the main tunnel main observation module 111, the main tunnel main smoke outlet module 112, the main tunnel main combustion module 114, the main tunnel connecting tee joint module 115 and the transverse connecting channel protection door module 120 of the transverse connecting channel 12 at different positions can be accurately measured under the condition that a fire disaster occurs in the tunnel, so that the research and analysis of characteristic parameters such as the smoke flowing rule, the temperature field and the heat radiation value in the tunnel are facilitated.
According to an optional embodiment of the invention, the double-hole single-line tunnel encrypted transverse channel type rescue station fire model test system which is simple in structure, can be assembled in a modularized mode and is good in overall structural stability is manufactured according to the reduced scale of 1: 10, a fire scene in a tunnel can be effectively simulated by using a fire source simulation system arranged in the tunnel system, and the tunnel system, a smoke exhaust system and a monitoring device are used for effectively observing, monitoring and recording smoke concentration, smoke flowing rule, temperature field and heat radiation value under the condition that fire occurs in the tunnel, so that a good tunnel module structure and a ventilation strategy are designed in a targeted mode, the accuracy and effectiveness of tunnel fire test research are improved, and the system has strong practicability.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A double-hole single-line tunnel encrypted transverse passage type rescue station fire disaster model test system is characterized by comprising a tunnel system (1), a fire source simulation device, a smoke exhaust pipeline (2) and a monitoring device;
the tunnel system (1) comprises a main tunnel channel (11) and a transverse connecting channel (12), wherein the main tunnel channel (11) is formed by two channels which are arranged in parallel, and two ends of the transverse connecting channel (12) are provided with jet flow fans; two ends of the transverse connecting channel (12) are respectively communicated with the two main tunnel channels (11) and are vertical to the main tunnel channels;
the fire source simulation device is arranged in the main tunnel channel (11);
the smoke exhaust pipeline (2) is arranged at the tops of the two main tunnel channels (11) through a fixed flange and is communicated with the two main tunnel channels (11); discharging the smoke in the main tunnel channel (11) along the smoke discharge pipeline (2) through the jet fan;
the monitoring device is installed in the main tunnel channel (11) and the transverse connecting channel (12) and used for monitoring the flue gas concentration and the flue gas flow rule in the main tunnel channel (11) and the transverse connecting channel (12).
2. The fire model test system for the double-hole single-line tunnel encrypted transverse passage type rescue station as claimed in claim 1, wherein the two main tunnel passages (11) comprise a main tunnel base module (110), a main tunnel observation module (111), a main tunnel smoke outlet module (112), a main tunnel adjusting module (113), a main tunnel combustion module (114) and a connecting tee module (115); the main tunnel base module (110), the main tunnel observation module (111), the main tunnel smoke exhaust port module (112), the main tunnel adjusting module (113), the main tunnel combustion module (114) and the connecting tee joint module (115) are sequentially and repeatedly spliced;
the fire source simulation device is installed in the main tunnel combustion module (114).
3. The fire model test system of the double-hole single-line tunnel encrypted transverse passage type rescue station as claimed in claim 2, wherein an observation window (1110) is formed on the side wall of the main tunnel observation module (111);
a discharge flue (1120) is arranged at the top of the main tunnel discharge port module (112), and an air door baffle is arranged on the discharge flue (1120); the smoke exhaust pipeline (2) is arranged on a smoke exhaust channel (1120) in the two main tunnel channels (11), and the main tunnel channels (11) are controlled to be communicated with and closed by the smoke exhaust pipeline (2) through air door baffles;
the length of the main tunnel adjusting module (113) is smaller than that of the main tunnel base module (110);
a connecting port (1150) and an observation window (1110) are formed in the side wall of the three-way connecting module (115); the splicing ends at the two ends are spliced with the adjacent modules of the main tunnel channel (11); two opposite connecting ports (1150) in the two main tunnel channels (11) are respectively communicated with two ends of the transverse connecting channel (12).
4. The fire model test system of a double-hole single-line tunnel encrypted transverse passage type rescue station as claimed in claim 3, wherein the length of the main tunnel adjusting module (113) is one third to two thirds of the length of the main tunnel base module (110).
5. The fire model test system of the double-hole single-line tunnel encryption transverse passage type rescue station as claimed in claim 2, wherein a combustion port is formed on the side wall of the main tunnel combustion module (114), a push-pull drawer (1140) is mounted in a matching manner on the combustion port, and the push-pull drawer (1140) is connected with the main tunnel combustion module (114) in a sliding manner;
the fire source simulator is mounted within the push-pull drawer (1140).
6. The fire model test system of a double-hole single-line tunnel encrypted transverse passage type rescue station as claimed in claim 3,
the transverse connecting channel (12) also comprises a transverse connecting channel protective door module (120) and a smoke outlet butt-joint module (121); one end of the transverse connecting channel protective door module (120) is provided with a protective door (1200), and the jet fan is arranged on the top wall of the transverse connecting channel protective door module (120); the top of the smoke outlet butt joint module (121) is provided with a standby smoke outlet (1210);
two ends of the smoke outlet butt joint module (121) are respectively spliced with one end of the transverse connecting channel protection door module (120), and the other end of the transverse connecting channel protection door module (120) is respectively connected with two connecting ports (1150) of the connecting tee joint module (115).
7. The fire model test system of the double-hole single-line tunnel encryption transverse passage type rescue station as claimed in claim 6, wherein the main tunnel base module (110), the main tunnel observation module (111), the main tunnel smoke vent module (112), the main tunnel adjusting module (113), the main tunnel combustion module (114), the connecting tee module (115), the transverse connecting passage protection door module (120) and the smoke vent butt module (121) each comprise a module frame (30), a U-shaped bottom plate (31), an arc-shaped bent top plate (32) and an adjusting screw rod (33), and the U-shaped bottom plate (31) and the arc-shaped bent top plate (32) are respectively installed on the outer side of the module frame (30) in an adaptive manner to form a sealing structure; the number of the adjusting screws (33) is multiple, and the adjusting screws (33) are respectively and rotatably connected to two sides of the end part of the module frame (30).
8. The fire model test system of the double-hole single-line tunnel encryption transverse passage type rescue station as claimed in claim 7, wherein the main tunnel base module (110), the main tunnel observation module (111), the main tunnel smoke vent module (112), the main tunnel adjusting module (113), the main tunnel combustion module (114), the connecting tee module (115), the transverse connecting passage protection door module (120) and the smoke vent butt module (121) are respectively provided with a butt flange (34) and a connecting piece on the splicing end face, and after a tenon at the bottom of the butt flange (34) at the bottom of the splicing end is clamped with a groove joint, the adjacent modules are fixed through the connecting piece.
9. The fire model test system for the double-hole single-line tunnel encryption transverse passage type rescue station as claimed in any one of claims 2 to 8, wherein the smoke exhaust pipeline (2) comprises an elbow module (20), a flue module (21) and a smoke exhaust four-way module (22); the smoke inlet and the smoke outlet of the elbow module (20) are vertical;
the smoke inlets of the elbow modules (20) are connected with the smoke discharge channels (1120) of the vertical shaft modules (112) in the two main tunnels through fixed flanges, the smoke outlets of the elbow modules are provided with the flue modules (21), and the smoke discharge channels are connected with the two smoke outlets of the smoke discharge four-way module (22) through the flue modules (21); the plurality of smoke exhaust four-way modules (22) are communicated through the flue modules (21) to form a common smoke exhaust channel.
10. The fire model test system of a double-hole single-line tunnel encryption transverse passage type rescue station as claimed in any one of claim 9, wherein the monitoring device comprises a plurality of gas sensors and a control terminal, the plurality of gas sensors are respectively and uniformly arranged in the main tunnel base module (110), the main tunnel observation module (111), the main tunnel smoke vent module (112), the main tunnel combustion module (114), the connection tee module (115), the transverse connection passage protection door module (120) and the smoke vent butt-joint module (121), and the plurality of gas sensors are in signal connection with the control terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010199005.7A CN111415568A (en) | 2020-03-13 | 2020-03-13 | Double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system |
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| CN202010199005.7A CN111415568A (en) | 2020-03-13 | 2020-03-13 | Double-hole single-line tunnel encrypted transverse passage type rescue station fire model test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006767A (en) * | 2021-11-10 | 2022-02-01 | 中交长大桥隧技术有限公司 | Tunnel safety and health assessment and monitoring system based on scientific and technological intelligence |
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2020
- 2020-03-13 CN CN202010199005.7A patent/CN111415568A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006767A (en) * | 2021-11-10 | 2022-02-01 | 中交长大桥隧技术有限公司 | Tunnel safety and health assessment and monitoring system based on scientific and technological intelligence |
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