CN102296980A - Water mist fire-extinguishing system in railway tunnel and fire-extinguishing method thereof - Google Patents
Water mist fire-extinguishing system in railway tunnel and fire-extinguishing method thereof Download PDFInfo
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- CN102296980A CN102296980A CN2011102335877A CN201110233587A CN102296980A CN 102296980 A CN102296980 A CN 102296980A CN 2011102335877 A CN2011102335877 A CN 2011102335877A CN 201110233587 A CN201110233587 A CN 201110233587A CN 102296980 A CN102296980 A CN 102296980A
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Abstract
The invention discloses a water mist fire-extinguishing system in a railway tunnel and a fire-extinguishing method thereof. The system comprises image type fire detectors, a fire alarm controller, fire pumps, a water tank, subarea control valves, water mist spray heads and a connecting pipeline, the image type fire detectors are mounted on the sidewall of the tunnel, and are connected with the fire alarm controller, the opening and closing of the fire pumps and the subarea control valves are controlled by the fire alarm controller, the fire pumps, the subarea control valves and the water mist spray heads are connected together through stainless steel pipes, and thereby a water mist pipe network is formed. The method can carry out automatic location and subsectional full-wrapping protection, decrease the environmental temperature, reduce poisonous smoke and put out fires; besides the performance of the ordinary water mist fire-extinguishing system, the system also can observe the fire scene via video and locate the position of a carriage on fire in the railway tunnel to carry out subarea fire extinguishing, and the double-layered water mist spray heads can fully wrap the carriage, so that the fire-extinguishing time can be greatly shortened.
Description
Technical field
The present invention relates to the fire fighting equipment technical field, be specially fine water mist fire-extinguishing system and extinguishing method thereof in a kind of railway tunnel.
Background technology
Application number/patent No.: 200420074457 ductwork type high pressure single fluid fine spray extinguishers, comprise water tank, water under high pressure power source, heavy pressure fine spray shower nozzle, temperature-sensitive, smoke detector, alarm, switch board and high service pipe network, the water under high pressure power source mainly comprises motor, pure water high-pressure pump, overflow valve and control valve), the high-pressure outlet of pure water high-pressure pump connects with the heavy pressure fine spray shower nozzle by overflow valve, one way valve and control valve; The water inlet of pure water high-pressure pump connects with water tank by strainer; Be associated with the bottle group type energy storage device in the high service pipe network, this bottle group type energy storage device is made up of capsule formula accumulator, stop valve and control valve.The tunnel belongs to long and narrow space, and this system adopts temperature-sensitive, smoke detector, is difficult to tunnel fire hazard is positioned under the tunnel ventilation state.
Application number/patent No.: 200720092348 fine spraying system plugging separating fire-extinguishing equipments; it is little effectively to solve existing equipment fire extinguishing space; the problem of weak effect; the technical scheme of its solution is; protection subregion identical more than at least 2 is arranged in the ectosome; in the two adjacent protection subregions water main is housed; distributive pipe is housed on the water main, fine mist spray head is housed on the distributive pipe, the main water pipe of introducing is arranged on the water main; be provided with the plugging separating body in adjacent two protection by stages; the anti-blocking separation shower nozzle of thin water smoke is housed on the plugging separating body, is connected with water main, constitute the anti-blocking separation of thin water smoke by one way valve; the utility model novel structure; uniqueness, simple, overcome effectively that existing fixedly tubular type fine mist fire-fighting equipment fire-fighting space is little; the problem of weak effect; cost is low, and is easy to install, is beneficial to the personnel escape; the protection altitude range is big, and economic and social benefit is huge.Because car body blocks, this equipment is difficult to realize all standing protection of thin water smoke to car body in railway tunnel.
Summary of the invention
The purpose of this invention is to provide fine water mist fire-extinguishing system and extinguishing method thereof in a kind of railway tunnel; can realize that protection is wrapped up in location burning things which may cause a fire disaster, remote visible monitoring, segmentation entirely automatically; be difficult to fire is positioned with fire-extinguishing apparatus in the railway tunnel that solves prior art, and can't be to the problem of train body all standing protection in the railway tunnel.
In order to achieve the above object, the technical solution adopted in the present invention is:
Fine water mist fire-extinguishing system in the railway tunnel, comprise the fire alarm control unit that is positioned at the outside, tunnel, water tank, with the fire pump of described water tank by pipeline connection, described fire pump is controlled by described fire alarm control unit, it is characterized in that: described tunnel is divided into a plurality of fire extinguishing subregions by train car length on the railway tunnel inner orbit, be arranged on each fire extinguishing two side, subregion tunnel and be respectively arranged with symmetrical image-type fire detector, image-type fire detector in a plurality of fire extinguishing subregions is electrically connected with described fire alarm control unit respectively, be positioned on the tunnel of each fire extinguishing subregion, the bottom is respectively arranged with, lower floor's fine mist spray head group, on described, lower floor's fine mist spray head group is made of a plurality of fine mist spray heads respectively, it is train car body top on the downward alignment rail of a plurality of fine mist spray head mouths of pipe of fine mist spray head group at the middle and upper levels, a plurality of fine mist spray head mouths of pipe of lower floor's fine mist spray head group railway car bottom on the alignment rail that makes progress, also be respectively arranged with the subregion control valve in each fire extinguishing subregion, described subregion control valve is controlled by described fire alarm control unit, described water tank, fire pump is communicated with a plurality of subregion control valves of the subregion of putting out a fire corresponding to each respectively by pipeline, and the subregion control valve of each fire extinguishing subregion is communicated with by a plurality of thin water smoke sparge pipe in the self-corresponding fire extinguishing subregion of pipeline and each again.
Fine water mist fire-extinguishing system in the described railway tunnel, it is characterized in that: in each fire extinguishing subregion, described upper strata fine mist spray head group is made of a plurality of fine mist spray heads on the top, tunnel that is installed in described track both sides respectively, and stagger mutually in the fine mist spray head position on the top, tunnel of track both sides, described lower floor fine mist spray head group is made of a plurality of fine mist spray heads of the bottom, tunnel that is installed in described track both sides respectively, and also staggers mutually in the fine mist spray head position of the bottom, tunnel of track both sides.
Thin water spray fire-extinguishing method in the railway tunnel, it is characterized in that: described image-type fire detector is located automatically to the train burning things which may cause a fire disaster on the railway tunnel inner orbit, and transmission fire video image carries out real-time remote monitoring, control to described fire alarm control unit to tunnel fire hazard; After described fire alarm control unit is confirmed the fire generation, open subregion control valve, the fire pump of each fire extinguishing subregion of zone of origin successively, described water tank supplies water to the upper and lower layer fine mist spray head group in each fire extinguishing subregion by fire pump, each subregion control valve; On in each fire extinguishing subregion; lower floor's fine mist spray head group is carried out sectionalised protection to the railway car on the railway tunnel inner orbit; on in each fire extinguishing subregion; lower floor's fine mist spray head group is carried out the layering protection to the railway car in the fire extinguishing subregion of its correspondence; wherein; each fire extinguishing subregion sprays thin water smoke in fine mist spray head Guan Zuxiang train top at the middle and upper levels; protection train top; suppress the compartment fire; the thin water smoke of the fine mist spray head Guan Zuxiang of lower floor train bottom spray; protection train bottom; on in each fire extinguishing subregion; the thin water smoke of the common ejection of lower floor's fine mist spray head pipe group wraps up whole compartment, to suppress; stamp out a fire.
The present invention can the suitable water firing-fighting medium.In the inventive method, image-type fire detector sends fire alarm and is transferred to fire alarm control unit, fire alarm control unit control subregion control valve is earlier opened, restart fire pump, the subregion control valve postpones a period of time after unlatching, send the feedback signal of fire pump to the pipe network water-filling by pressure switch to fire alarm control unit.After fire pump is opened, in the pipeline of fine mist spray head water delivery, be full of water, fine mist spray head ejection droplet suppresses rapidly, stamps out a fire by effects such as lowering the temperature, suffocate.
Compared with prior art, the present invention has the following advantages:
1, tunnel of the present invention fine water mist fire-extinguishing system, segmentation is arranged and is adopted the image-type flame detector to locate fire position in the railway tunnel automatically in railway tunnel, the linkage water mist system is realized sectionalised protection; And can pass through video image real-time monitored scene of fire situation, for artificial remote monitoring, long-range fire extinguishing provide possibility, system is safer, operation is more reliable.
2, along tunnel direction design fire extinguishing subregion, the length of each fire extinguishing subregion is consistent with railway car length, taken into account fire extinguishing effectively and the water yield suitable.
3, vertical direction is laid multilayer fine mist spray head group the train that catches fire in the railway tunnel is formed full packaging type protection, guarantees effectively the putting out a fire to save life and property of the outside fire of railway carriage, personnel's safe escape and the safeguard protection in tunnel.
4, fine mist spray head is all arranged in the both sides, tunnel, to the lateral jet pipe jet pipe installing space that staggers mutually half, helps the complementation protection of jet pipe water shape to railway carriage.
The present invention is applicable to the fire safety evaluating monitoring of track traffics such as railway tunnel rescue station, subway platform and puts out a fire to save life and property.The present invention is safe and convenient to use, system control flexibly, the fire that can greatly improve railway tunnel, the track traffic level of putting out a fire to save life and property automatically.
Description of drawings
Fig. 1 is system of the present invention control wiring diagram.
Fig. 2 is fine mist spray head fire-fighting principle figure of the present invention.
Fig. 3 is the inventive method flow chart.
Fig. 4 is that engineering of the present invention is used localized design figure.
The specific embodiment
As shown in Figure 1 and Figure 2.Among Fig. 1, T is an image-type fire detector, and C is an output module, and R is an input module, and DDF is a motor operated valve, and YK is a pressure switch, and Q/T is for opening/stop button, and PS indicates for spraying,
Be audible-visual annunciator, XFB is a fire pump.
Service system of the present invention water route part is made up of the pipe network that fire pump, water tank, subregion control valve, fine mist spray head, stainless steel tube constitute.
Fire pump comprises that one main one is equipped with two high-pressure plunger pumps, and plunger displacement pump is fixed on the pump group base, and stop valve, y-type filter are installed in pump group water inlet, and pipeline connects by the high pressure rubber joint, and pump group delivery port place establishes stop valve and high-pressure check valve.Water tank comprises low water alarm, content gauge, float valve, y-type filter, stop valve, and the external water source of water tank requires water quality to meet drinking water standard, and the water tank inlet place establishes strainer and stop valve.The subregion control valve comprises electric control module and water management module.Fine mist spray head comprises head body, nozzle and inner core-body.
It is online that fine mist spray head is installed in stainless steel tube, and pipe network is protected section with a joint compartment as one along the tunnel, and each section comprises four arms, divides the two-layer track both sides that are fixed on.The fine mist spray head upper strata is downward-sloping, and lower floor's fine mist spray head is inclined upwardly.Interlaced half radius of protection of two-layer fine mist spray head, radius of protection are that the installing space of fine mist spray head is 2 meters.
Image-type fire detector is installed in both sides in the railway tunnel, and the probe installing space is consistent with railway car length.The external 24V dc source of image-type fire detector, the two-path video output signal is connected to fire prevention parallel processing device by optical fiber, by fire prevention parallel processing device, information processing host vision signal is handled, in case discovery burning things which may cause a fire disaster, information processing host will link and found peace controller and fire alarm control unit, send fire alarm, the boot partition control valve is opened fire pump then.
As shown in Figure 3.By image-type fire detector burning things which may cause a fire disaster in the railway tunnel is located automatically, and transmission fire video image carries out real-time remote monitoring to fire protection control room to tunnel fire hazard, control, after fire alarm control unit is confirmed fire, open fire pump, zone of origin subregion control valve carries out sectionalised protection to conflagration area in the railway tunnel, fine mist spray head is protected the railway car layering in vertical direction, fine mist spray head protection train top, upper strata, suppress the compartment fire, lower floor fine mist spray head protection train bottom, the thin water smoke of double-deck fine mist spray head wraps up whole compartment, and thin water smoke is by cooling, effect such as suffocate suppresses rapidly, stamp out a fire; Thin water smoke reduces temperature, heat radiation in the railway tunnel, presses down cigarette, depositing dust, toxin expelling, is beneficial to evacuating personnel, fire attack, protecting tunnel.The switch board of image-type fire detector, fire alarm control unit, subregion control valve, fire pump adopts and is electrically connected forming control system; Water tank, fire pump, subregion control valve, fine mist spray head are connected by stainless steel pipe, form thin water smoke pipe network.
Claims (3)
1. fine water mist fire-extinguishing system in the railway tunnel, comprise the fire alarm control unit that is positioned at the outside, tunnel, water tank, with the fire pump of described water tank by pipeline connection, described fire pump is controlled by described fire alarm control unit, it is characterized in that: described tunnel is divided into a plurality of fire extinguishing subregions by train car length on the railway tunnel inner orbit, be arranged on each fire extinguishing two side, subregion tunnel and be respectively arranged with symmetrical image-type fire detector, image-type fire detector in a plurality of fire extinguishing subregions is electrically connected with described fire alarm control unit respectively, be positioned on the tunnel of each fire extinguishing subregion, the bottom is respectively arranged with, lower floor's fine mist spray head group, on described, lower floor's fine mist spray head group is made of a plurality of fine mist spray heads respectively, it is train car body top on the downward alignment rail of a plurality of fine mist spray head mouths of pipe of fine mist spray head group at the middle and upper levels, a plurality of fine mist spray head mouths of pipe of lower floor's fine mist spray head group railway car bottom on the alignment rail that makes progress, also be respectively arranged with the subregion control valve in each fire extinguishing subregion, described subregion control valve is controlled by described fire alarm control unit, described water tank, fire pump is communicated with a plurality of subregion control valves of the subregion of putting out a fire corresponding to each respectively by pipeline, and the subregion control valve of each fire extinguishing subregion is communicated with by a plurality of thin water smoke sparge pipe in the self-corresponding fire extinguishing subregion of pipeline and each again.
2. fine water mist fire-extinguishing system in the railway tunnel according to claim 1, it is characterized in that: in each fire extinguishing subregion, described upper strata fine mist spray head group is made of a plurality of fine mist spray heads on the top, tunnel that is installed in described track both sides respectively, and stagger mutually in the fine mist spray head position on the top, tunnel of track both sides, described lower floor fine mist spray head group is made of a plurality of fine mist spray heads of the bottom, tunnel that is installed in described track both sides respectively, and also staggers mutually in the fine mist spray head position of the bottom, tunnel of track both sides.
3. thin water spray fire-extinguishing method in the railway tunnel, it is characterized in that: described image-type fire detector is located automatically to the train burning things which may cause a fire disaster on the railway tunnel inner orbit, and transmission fire video image carries out real-time remote monitoring, control to described fire alarm control unit to tunnel fire hazard; After described fire alarm control unit is confirmed the fire generation, open subregion control valve, the fire pump of each fire extinguishing subregion of zone of origin successively, described water tank supplies water to the upper and lower layer fine mist spray head group in each fire extinguishing subregion by fire pump, each subregion control valve; On in each fire extinguishing subregion; lower floor's fine mist spray head group is carried out sectionalised protection to the railway car on the railway tunnel inner orbit; on in each fire extinguishing subregion; lower floor's fine mist spray head group is carried out the layering protection to the railway car in the fire extinguishing subregion of its correspondence; wherein; each fire extinguishing subregion sprays thin water smoke in fine mist spray head Guan Zuxiang train top at the middle and upper levels; protection train top; suppress the compartment fire; the thin water smoke of the fine mist spray head Guan Zuxiang of lower floor train bottom spray; protection train bottom; on in each fire extinguishing subregion; the thin water smoke of the common ejection of lower floor's fine mist spray head pipe group wraps up whole compartment, to suppress; stamp out a fire.
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| CN2011102335877A CN102296980A (en) | 2011-08-13 | 2011-08-13 | Water mist fire-extinguishing system in railway tunnel and fire-extinguishing method thereof |
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| CN2011102335877A CN102296980A (en) | 2011-08-13 | 2011-08-13 | Water mist fire-extinguishing system in railway tunnel and fire-extinguishing method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606189A (en) * | 2012-04-06 | 2012-07-25 | 中国矿业大学 | Fire extinguishing and cooling system for coal cavities and loose areas in fire district of coal field |
| CN103065422A (en) * | 2012-12-22 | 2013-04-24 | 上海市隧道工程轨道交通设计研究院 | Subway interval train fire positioning system and application method thereof |
| CN104533505A (en) * | 2014-12-23 | 2015-04-22 | 武汉大学 | Water mist tunnel smoke control system adopting spaced arrangement method |
| CN104563201A (en) * | 2014-12-25 | 2015-04-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Tunnel fire-fighting system employing slope running water as water source |
| CN106215349A (en) * | 2016-08-26 | 2016-12-14 | 陕西卫仕厨房灭火设备有限公司 | A kind of automatic fire extinguisher for kitchen of zonal control |
| CN106228886A (en) * | 2016-07-15 | 2016-12-14 | 合肥工业大学 | A kind of fire test device based on Urban Underground pipe gallery |
| CN106523022A (en) * | 2016-12-27 | 2017-03-22 | 同济大学 | Tunnel fire extinguishing system based on water curtain shielding effects |
| CN107149735A (en) * | 2017-07-24 | 2017-09-12 | 宁夏如意科技时尚产业有限公司 | A kind of many storehouse extinguishing devices of scutcher |
| CN107158606A (en) * | 2017-07-19 | 2017-09-15 | 公安部天津消防研究所 | A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system |
| CN108057193A (en) * | 2017-12-14 | 2018-05-22 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle electrical cabinet automatic fire extinguishing system and extinguishing method |
| CN110496334A (en) * | 2019-08-14 | 2019-11-26 | 国网江苏省电力有限公司 | A kind of LiFePO4 energy-accumulating power station battery module structure protected with Water Mist Fire Extinguishing Technique |
| CN110507942A (en) * | 2019-09-18 | 2019-11-29 | 中国船舶重工集团公司第七一九研究所 | Intelligent automatic fire capture device and its application method |
| CN114042270A (en) * | 2021-11-25 | 2022-02-15 | 中车大连机车车辆有限公司 | Water mist fire extinguishing system with partition control releasing function and subway vehicle |
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| JP2004065417A (en) * | 2002-08-05 | 2004-03-04 | Kajima Corp | Disaster prevention system for tunnel |
| CN101699031A (en) * | 2009-11-03 | 2010-04-28 | 大连海事大学 | System for automatically extinguishing fire in long tunnel and extinguishing method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606189A (en) * | 2012-04-06 | 2012-07-25 | 中国矿业大学 | Fire extinguishing and cooling system for coal cavities and loose areas in fire district of coal field |
| CN102606189B (en) * | 2012-04-06 | 2014-07-16 | 中国矿业大学 | Fire extinguishing and cooling system for coal cavities and loose areas in fire district of coal field |
| CN103065422A (en) * | 2012-12-22 | 2013-04-24 | 上海市隧道工程轨道交通设计研究院 | Subway interval train fire positioning system and application method thereof |
| CN103065422B (en) * | 2012-12-22 | 2016-02-03 | 上海市隧道工程轨道交通设计研究院 | A kind of subway interval train fire positioning system and application process thereof |
| CN104533505A (en) * | 2014-12-23 | 2015-04-22 | 武汉大学 | Water mist tunnel smoke control system adopting spaced arrangement method |
| CN104563201A (en) * | 2014-12-25 | 2015-04-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Tunnel fire-fighting system employing slope running water as water source |
| CN106228886B (en) * | 2016-07-15 | 2019-01-11 | 合肥工业大学 | A kind of fire test device based on Urban Underground pipe gallery |
| CN106228886A (en) * | 2016-07-15 | 2016-12-14 | 合肥工业大学 | A kind of fire test device based on Urban Underground pipe gallery |
| CN106215349A (en) * | 2016-08-26 | 2016-12-14 | 陕西卫仕厨房灭火设备有限公司 | A kind of automatic fire extinguisher for kitchen of zonal control |
| CN106523022A (en) * | 2016-12-27 | 2017-03-22 | 同济大学 | Tunnel fire extinguishing system based on water curtain shielding effects |
| CN106523022B (en) * | 2016-12-27 | 2019-06-11 | 同济大学 | Tunnel fire extinguishing system based on water curtain shielding action |
| CN107158606A (en) * | 2017-07-19 | 2017-09-15 | 公安部天津消防研究所 | A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system |
| CN107149735A (en) * | 2017-07-24 | 2017-09-12 | 宁夏如意科技时尚产业有限公司 | A kind of many storehouse extinguishing devices of scutcher |
| CN108057193A (en) * | 2017-12-14 | 2018-05-22 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle electrical cabinet automatic fire extinguishing system and extinguishing method |
| CN110496334A (en) * | 2019-08-14 | 2019-11-26 | 国网江苏省电力有限公司 | A kind of LiFePO4 energy-accumulating power station battery module structure protected with Water Mist Fire Extinguishing Technique |
| CN110496334B (en) * | 2019-08-14 | 2024-05-17 | 国网江苏省电力有限公司 | Lithium iron phosphate energy storage power station battery module structure protected by water mist fire extinguishing technology |
| CN110507942A (en) * | 2019-09-18 | 2019-11-29 | 中国船舶重工集团公司第七一九研究所 | Intelligent automatic fire capture device and its application method |
| CN114042270A (en) * | 2021-11-25 | 2022-02-15 | 中车大连机车车辆有限公司 | Water mist fire extinguishing system with partition control releasing function and subway vehicle |
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