CN207437115U - A kind of underground railway tunnel fire ventilation smoke extraction system - Google Patents

A kind of underground railway tunnel fire ventilation smoke extraction system Download PDF

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Publication number
CN207437115U
CN207437115U CN201721871705.6U CN201721871705U CN207437115U CN 207437115 U CN207437115 U CN 207437115U CN 201721871705 U CN201721871705 U CN 201721871705U CN 207437115 U CN207437115 U CN 207437115U
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China
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tunnel
subway
air
smoke
running
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CN201721871705.6U
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Chinese (zh)
Inventor
史聪灵
丁伟
吕敬民
钟茂华
何理
李建
石杰红
赵晨
胥旋
车洪磊
侯正波
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China Academy of Safety Science and Technology CASST
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China Academy of Safety Science and Technology CASST
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Abstract

The utility model provides a kind of underground railway tunnel fire ventilation smoke extraction system, for the first tunnel of subway tunnel and the second tunnel and subway external environment exchange of air, including subway sectional tunnel smoke duct, muffler, running tunnel wind turbine, air-valve, wind booth and air port;The air port is arranged on the running tunnel in the first tunnel and station tunnel intersection, the running tunnel in the second tunnel and station tunnel intersection and subway sectional tunnel smoke duct and the wind booth intersection, and muffler, running tunnel wind turbine, air-valve are arranged in the subway sectional tunnel smoke duct.The system of the utility model can realize subway sectional tunnel ventilation smoke exhaust more systematization, modularization.The system of the utility model can realize the various different situations for train fire in subway sectional tunnel, set corresponding suitable purging mode, so as to reach very fast discharge fire smoke, and comparatively fast control fire hazard situation, the purpose for utmostly reducing casualties.

Description

A kind of underground railway tunnel fire ventilation smoke extraction system
Technical field
The utility model belongs to security technology area, and in particular to a kind of underground railway tunnel fire ventilation smoke extraction system.
Background technology
After fire occurs for train in subway sectional tunnel, if the train that catches fire continues quick movement, it will cause fire positions The passenger at rear is quickly poisoned by poisonous and harmful flue gas, death by suffocation;If the train that catches fire loses locomotivity or stops immediately Passenger evacuation is carried out, then will face the difficulties such as fire smoke sprawling is very fast, evacuating personnel escape is difficult, ventilation smoke exhaust ability is limited Topic.
《Metro design code》It is provided in the 28.2.4 articles of (GB 50157-2013):" two single track line tunnels should set connection The distance between network passage, two neighboring service channel should not exceed 600m, and service channel planted agent sets first class fire resistant doorsets, door leaf Must not open fouling of clearance gauge ", the setting of service channel is when fire, water burst occurring in a tunnel, collapsing when sudden accidents, Personnel are transferred quickly to by service channel in another tunnel;In addition, rescue personnel can pass through service channel Implement rescue.
At present, many scholars have carried out model investigation and CFD numerical value to subway engineering or similar engineering both at home and abroad Simulation calculates research, but safety evacuation mode when occurring for train in full-scale subway sectional tunnel fire and The research of corresponding ventilation smoke extraction system and method is less;And existing subway sectional tunnel ventilation smoke exhaust pattern is more single One, and it is directed to the subway area that the safety evacuation pattern of train difference stop position and its different fire locations is adapted that catches fire Between tunnel ventilation smoke evacuation system design and method it is seldom, urgent need want corresponding underground railway tunnel fire ventilation smoke extraction system and side Method is verified.
Utility model content
For the art present situation, the purpose of this utility model is a kind of underground railway tunnel fire ventilation smoke exhaust system System.
Realize that the utility model above-mentioned purpose technical solution is:
A kind of underground railway tunnel fire ventilation smoke extraction system, including subway sectional tunnel smoke duct, muffler, section Tunnel blower, air-valve and Feng Ting;The air inlet of the subway sectional tunnel smoke duct is arranged on running tunnel and station tunnel Intersection tunnel top center, the exhaust outlet of the subway sectional tunnel smoke duct are connected with the wind booth, the noise reduction Device, running tunnel wind turbine, air-valve are arranged in the subway sectional tunnel smoke duct.
Preferably, the air port is arranged on the running tunnel in the first tunnel and station tunnel intersection, the area in the second tunnel Between tunnel and station tunnel intersection tunnel top center.
Wherein, the air-valve is arranged in subway sectional tunnel smoke duct, for controlling gas in the Subway Tunnel Flow path in tunnel smoke duct.
Branch is provided between two smoke ducts of the same position of two parallel or intersection subway sectional tunnels, is propped up Branch air-valve is set in road.
Preferably, the muffler is arranged on the one or both sides of the running tunnel wind turbine, for reducing the subway The noise generated in the running tunnel Fire Ventilation smoke evacuation system course of work.
Wherein, the running tunnel wind turbine is arranged in the subway sectional tunnel smoke duct, the running tunnel wind Machine is used to generate the gas flowing of orientation in the subway sectional tunnel smoke duct;And the motor of the running tunnel wind turbine is adopted Use variable-frequency motor.
Wherein, the wind booth and the subway sectional tunnel smoke duct are connected with the air port that subway exterior space connects It connects, is the gas in the subway sectional tunnel smoke duct and the interface of subway outside air convection current, and for stopping foreign matter Into in the subway sectional tunnel smoke duct.
The beneficial effects of the utility model are:
1) system of the utility model can realize subway sectional tunnel ventilation smoke exhaust more systematization, modularization.
2) the utility model can realize the various different situations for train fire in subway sectional tunnel, and setting is opposite The suitable purging mode answered so as to reach very fast discharge fire smoke, and comparatively fast controls fire hazard situation, utmostly reduces people The purpose of member's injures and deaths.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of underground railway tunnel fire ventilation smoke extraction system of one embodiment of the utility model;
Component is corresponded to what is numbered in figure:Subway sectional tunnel 1, the first tunnel 4, the second tunnel 5, service channel 11, Fire resistant doorsets 111, subway train 2, headstock 21, the tailstock 22, muffler A, metro station tunnel 3, subway sectional tunnel smoke duct L, smoke tower S, smoke exhaust fan T, the air-valve D1 of first section of smoke duct, the air-valve D2 of second section of smoke duct, smoke evacuation The air-valve D3 of the 3rd section in air passage, the air-valve D4 of the 4th section of smoke duct, the air-valve D5 of the 5th section of smoke duct.
Specific embodiment
Illustrate the utility model below by most preferred embodiment.Those skilled in the art institute it should be understood that, embodiment only For illustrating the utility model rather than for limiting the scope of the utility model.
In embodiment, unless otherwise instructed, means used are the means of this field routine.
Embodiment 1:
A kind of underground railway tunnel fire ventilation smoke extraction system, for the first tunnel of subway tunnel and the second tunnel and ground Iron external environment exchange of air, including subway sectional tunnel smoke duct, muffler, running tunnel wind turbine, air-valve, Feng Ting and wind Mouthful;The air port is arranged on the running tunnel in the first tunnel and station tunnel intersection, the running tunnel in the second tunnel and station Tunnel intersection and subway sectional tunnel smoke duct and the wind booth intersection, muffler, running tunnel wind turbine, air-valve It is arranged in the subway sectional tunnel smoke duct.
Referring to Fig. 1, subway tunnel two shown in the present embodiment parallel the first tunnel 4 and the second tunnel 5, the first tunnel 4 and second tunnel 5 be divided into two sections, be specially subway sectional tunnel 1 and metro station tunnel 3;Correspondingly, subway tunnel by Alternately connection forms for subway sectional tunnel 1 and metro station tunnel 3.
Air port connect inside subway sectional tunnel smoke duct L and subway be arranged on the first tunnel 4 running tunnel and The tunnel top center of the running tunnel in metro station tunnel intersection and the second tunnel 5 and station tunnel intersection.First Several contact channels 11 are provided between the running tunnel in 4 and second tunnel 5 of tunnel, the present embodiment is only shown from subway train 23 nearest service channels 11 are both provided with fire resistant doorsets 111 in each service channel 11 accordingly.
Air-valve is arranged on subway sectional tunnel smoke duct, for controlling gas in the subway sectional tunnel Smoke Flow path in road sets 4 air-valves in one air passage;It is provided between two smoke ducts of two subway sectional tunnels Branch, branch is interior to set branch air-valve.Specific to the present embodiment, 4 air-valves are set in an air passage, from the Subway Tunnel tunnel On branch smoke duct between the air port that road smoke duct is extremely connected with the air port connected inside subway subway outside successively The air-valve D2, the air-valve of the 3rd section of smoke duct of second section of air-valve D1, smoke duct of first section of smoke duct are set The air-valve D4 of the 4th section of D3 and smoke duct is set between two smoke ducts of 5 same position of the first tunnel 4 and the second tunnel The branch air passage being connected is equipped with, and the air-valve D5 of the 5th section of smoke duct is set in branch air passage;
Muffler A is arranged on the both sides of the running tunnel wind turbine, divulges information for reducing the underground railway tunnel fire The noise generated in the smoke evacuation system course of work.
The running tunnel wind turbine T is arranged in the subway sectional tunnel smoke duct L, and each Subway Tunnel A running tunnel wind turbine T is respectively provided in tunnel smoke duct L, the running tunnel wind turbine T is used in the subway area Between the gas flowing of orientation is generated in tunnel smoke duct L;And the motor of the running tunnel wind turbine T uses variable-frequency motor.Institute It states wind booth S and the subway sectional tunnel smoke duct L is connected with the air port that subway exterior space connects, be the subway area Between gas and the interface of subway outside air convection current in tunnel smoke duct L, and for stopping that foreign matter enters the subway area Between in tunnel smoke duct L.
Above embodiment is only that the preferred embodiment of the utility model is described, not to the utility model Scope be defined, on the premise of the spirit of the design of the utility model is not departed from, this field ordinary skill technical staff to this The all variations and modifications that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine In the range of shield.

Claims (6)

1. a kind of underground railway tunnel fire ventilation smoke extraction system, for the first tunnel of subway tunnel and the second tunnel and subway External environment exchange of air, which is characterized in that including subway sectional tunnel smoke duct, muffler, running tunnel wind turbine, wind Valve, wind booth and air port;The air port is arranged on the running tunnel in the first tunnel and station tunnel intersection, the section in the second tunnel Tunnel and station tunnel intersection and subway sectional tunnel smoke duct and the wind booth intersection, muffler, running tunnel Wind turbine, air-valve are arranged in the subway sectional tunnel smoke duct.
2. underground railway tunnel fire ventilation smoke extraction system according to claim 1, which is characterized in that the air port is set In the running tunnel in the first tunnel and station tunnel intersection, the tunnel of the running tunnel and station tunnel intersection in the second tunnel Center of top.
3. underground railway tunnel fire ventilation smoke extraction system according to claim 1, which is characterized in that the air-valve is set In subway sectional tunnel smoke duct, two smoke ducts of the same position of two parallel or intersection subway sectional tunnels Between be provided with branch air passage, air-valve is set in branch air passage.
4. underground railway tunnel fire ventilation smoke extraction system according to claim 1, which is characterized in that the muffler is set It puts in the one or both sides of the running tunnel wind turbine, works for reducing the underground railway tunnel fire ventilation smoke extraction system The noise generated in the process.
5. underground railway tunnel fire ventilation smoke extraction system according to claim 1, which is characterized in that the running tunnel Wind turbine is arranged in the subway sectional tunnel smoke duct, by controlling the opening and closing of air-valve by Zhi Lufeng under fire condition Running tunnel wind turbine in two air passages of road connection acts on a ventilation opening separately or together;Each divide in the air passage Air-valve is respectively provided in air channel branch road at stream;The motor of the running tunnel wind turbine uses variable-frequency motor.
6. according to Claims 1 to 5 any one of them underground railway tunnel fire ventilation smoke extraction system, which is characterized in that institute It states wind booth and the subway sectional tunnel smoke duct is connected with the air port that subway exterior space connects, be the Subway Tunnel Gas and the interface of subway outside air convection current in tunnel smoke duct, and for stopping that foreign matter enters the Subway Tunnel tunnel In road smoke duct.
CN201721871705.6U 2017-12-27 2017-12-27 A kind of underground railway tunnel fire ventilation smoke extraction system Active CN207437115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721871705.6U CN207437115U (en) 2017-12-27 2017-12-27 A kind of underground railway tunnel fire ventilation smoke extraction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721871705.6U CN207437115U (en) 2017-12-27 2017-12-27 A kind of underground railway tunnel fire ventilation smoke extraction system

Publications (1)

Publication Number Publication Date
CN207437115U true CN207437115U (en) 2018-06-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035759A (en) * 2017-12-27 2018-05-15 中国安全生产科学研究院 A kind of underground railway tunnel fire ventilation smoke extraction system and method
CN112185057A (en) * 2020-09-29 2021-01-05 国网四川省电力公司眉山供电公司 Cable tunnel fire early warning system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035759A (en) * 2017-12-27 2018-05-15 中国安全生产科学研究院 A kind of underground railway tunnel fire ventilation smoke extraction system and method
CN108035759B (en) * 2017-12-27 2023-09-29 中国安全生产科学研究院 Subway interval tunnel fire ventilation and smoke exhaust system and method
CN112185057A (en) * 2020-09-29 2021-01-05 国网四川省电力公司眉山供电公司 Cable tunnel fire early warning system
CN112185057B (en) * 2020-09-29 2021-12-07 国网四川省电力公司眉山供电公司 Cable tunnel fire early warning system

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