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WO2007118499A1 - Système et procédé de protection des personnes dans un tunnel affecté par un incendie - Google Patents

Système et procédé de protection des personnes dans un tunnel affecté par un incendie Download PDF

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Publication number
WO2007118499A1
WO2007118499A1 PCT/EP2006/010542 EP2006010542W WO2007118499A1 WO 2007118499 A1 WO2007118499 A1 WO 2007118499A1 EP 2006010542 W EP2006010542 W EP 2006010542W WO 2007118499 A1 WO2007118499 A1 WO 2007118499A1
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WO
WIPO (PCT)
Prior art keywords
liquid
fire
tunnel
dispensing
curtains
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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.)
Ceased
Application number
PCT/EP2006/010542
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English (en)
Inventor
Alessandro Torti
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Apt Engineering Srl
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Apt Engineering Srl
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Filing date
Publication date
Application filed by Apt Engineering Srl filed Critical Apt Engineering Srl
Publication of WO2007118499A1 publication Critical patent/WO2007118499A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0257—Fire curtains, blankets, walls, fences
    • A62C3/0264—Fire curtains, blankets, walls, fences by creating water curtains
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels

Definitions

  • the present invention relates to a system and a method for protecting people in a tunnel affected by a fire.
  • Ventilated escape routes which are isolated from the tunnel environment and have protected sealed and waterproof entrances have been provided in the most important tunnels measuring several kilometers, such as the Frejus or the Mont Blanc tunnels. Such entrances are provided at mutual distances which can be covered in times on the order of several minutes, and therefore people must be able to cover such distances safely, finding the nearest entrance in the shortest possible time and without being affected by the effects of the fire. In smaller tunnels and in medium-length tunnels up to a few kilometers in length, such escape routes are not provided and it is therefore critical to allow the people to flee the area of the fire and reach one of the exits unharmed.
  • US-A-3 069 100 and US-A-3 109 593 disclose systems in which a jet of water which exits under pressure from a tubular element strikes a circular baffle, thus producing a rising fan-like curtain of water with a certain consistency and uniformity, which provides a certain protection against the heat. Such systems also utilize the fallback of the curtain of water, which thus doubles the thickness of the rising curtain.
  • the system of mutually spaced temperature sensors arranged along the tunnel is capable of detecting precisely the region where the fire starts and where the temperature immediately reaches a detectable peak, and this region is then delimited by curtains of liquid generated by the dispensing means arranged laterally with respect to the sensor that lies closest to the fire.
  • it is not possible to detect precisely the exact extent of the fire if the fire, as often occurs, covers a region which is larger than the region effectively monitored by the individual sensor, and it is therefore necessary to generate as a preventative measure additional curtains of water besides to the ones that already delimit the focus of the fire.
  • the curtains generated with the known system have proved to be insufficient in terms of compactness and uniformity to ensure that the individual curtain is capable of stopping effectively the fumes, gases and heat generated by the fire, especially when, due both to the resulting temperature gradients and to the wind flows that are already present in tunnel, air currents are produced which deflect the curtains of liquid, supplying the fire with oxygen and further allowing the rapid spread of toxic gases and fumes.
  • the aim of the present invention is to eliminate the drawbacks noted above in known types of fire protection systems in tunnels by providing a new and improved system and method for protecting people in a tunnel affected by a fire, which are capable of providing effective protection for the escape of the people involved in full safety, as well as operation for a time which is long enough to also allow the possible intervention of rescue teams.
  • an object of the invention is to provide an improved system and method for protecting people in a tunnel affected by a fire which are effective even with limited amounts of liquid and are not affected by the influence of air currents or wind present in the tunnel.
  • Another object of the invention is to provide an improved system and method for protecting people in a tunnel affected by a fire which are always reliable even in very rigid environmental temperature conditions.
  • An important object of the invention is to provide an improved system and method for protecting people in a tunnel affected by a fire whose installation and operating costs are so low as to allow installation even in secondary road or rail tunnels and with one or several traffic lanes.
  • Still another object of the invention is to provide an improved system and method for protecting people in a tunnel affected by a fire which can be implemented simply and inexpensively in any existing tunnel, even in those which already have protected escape routes and/or ventilation systems, with operations which do not require complex and time-consuming work or changes to the existing systems.
  • a system for protecting people in a tunnel affected by a fire comprises an apparatus for dispensing nonflammable liquid, which is constituted by a source of nonflammable liquid, by means for dispensing the liquid which are arranged at a plurality of selected locations along the longitudinal extension of said tunnel, and by means for conveying the liquid between said source and said dispensing means; a fire sensing apparatus, which is adapted to detect the moment when the fire begins and the location of a fire in said tunnel; and at least two curtains of nonflammable liquid generated by said liquid dispensing means following the detection of a fire by said sensing apparatus, in at least two of said selected locations, wherein said fire sensing apparatus comprises sensing means which are adapted to detect the extent of the region affected by the fire along said longitudinal extension of the tunnel, said at least two curtains of liquid generated by said liquid dispensing means being arranged so as to delimit on either side said region affected by the fire, each curtain covering completely the respective transverse cross-section of the tunnel, an optional additional curtain or curtains of liquid being generated in locations which
  • a method for protecting people in a tunnel affected by a fire and equipped with an apparatus for dispensing nonflammable liquid constituted by a source of nonflammable liquid, by liquid dispensing means arranged at a plurality of selected locations along the longitudinal extension of said tunnel, and by means for conveying the liquid between said source and said dispensing means, and an apparatus for detecting a fire in said tunnel, which comprises the steps of: continuously monitoring preset monitoring sections of said tunnel, each of said monitoring sections comprising at least one of said plurality of selected locations along the longitudinal extension of said tunnel provided with said liquid dispensing means; separately detecting the moment of ignition and the location of a fire within one of said monitoring sections and/or jointly detecting, in two or more of said sections, the extent of the region affected by the fire when it covers, along said longitudinal extension of the tunnel, more than one of said monitoring sections; selectively activating said liquid dispensing means and dispensing of nonflammable liquid at flow-rates from approximately 600 to approximately 2100 1/min and at pressures from
  • Figure 1 is a schematic perspective view of a section of a tunnel provided with a protection system according to the invention
  • Figure 2 is an exploded perspective view of a baffle nozzle for a fan- shaped jet according to the invention
  • Figure 3 is a transverse axial sectional view of the baffle nozzle according to the invention shown in Figure 2;
  • Figures 4 and 5 are schematic transverse sectional views of two different embodiments of curtains of nonflammable liquid according to the invention, generated in single-lane and four-lane tunnels respectively;
  • Figure 6 is a schematic longitudinal sectional view of a portion of a tunnel provided with the protection system according to the invention, shown during activity and with a preferential escape direction;
  • Figure 7 is a schematic longitudinal sectional view of a portion of a tunnel already provided with escape routes and with a ventilation system and also with the protection system according to the invention, shown during activity and with a preferential escape direction;
  • Figure 8 is a schematic longitudinal sectional view of a portion of a tunnel provided with the protection system according to the invention, shown during activity and with a preferential escape direction with a third curtain of nonflammable liquid.
  • a system for protecting people who are in a tunnel 1 affected by a fire comprises an apparatus 10 for dispensing nonflammable liquid, which is constituted by a source 11 of nonflammable liquid, by means 12 for dispensing the liquid which are arranged at a plurality of selected locations along the longitudinal extension of the tunnel 1 , and by means 13 for conveying the liquid between the source 11 and the dispensing means 12.
  • the system further comprises a fire sensing apparatus 14, which is adapted to detect the moment of ignition and the location of a fire in the tunnel 1, and at least two curtains 15 of nonflammable liquid which are generated by the liquid dispensing means 12 following the sensing of a fire by the sensing apparatus 14, in at least two of the selected locations.
  • the particularity of the system resides in that the fire sensing apparatus 14 comprises sensing means 20 which are adapted to detect not only the ignition point of the fire but also the extent of the region Z affected by the fire along the longitudinal extension of the tunnel 1, the at least two curtains of liquid 15 generated by the liquid dispensing means 12 being arranged so as to delimit on either side the region Z affected by the fire, each curtain covering completely the respective transverse cross-section of the tunnel 1.
  • Any additional curtain or curtains 15 of liquid are generated advantageously only in locations which lie outside the two curtains of liquid 15 and preferably on the side of the region Z affected by the fire which corresponds to the most suitable escape direction D for people, thus preventing the spread of noxious fumes, gases and heat mainly in said direction, with an obvious saving of liquid.
  • the at least two curtains of liquid 15 are constituted by respective walls of liquid which are uniform and have a constant thickness and are generated by said liquid dispensing apparatus with flow-rates from approximately 600 to approximately 2100 1/min and at pressures from approximately 3 to approximately 4 bars for a total time which is sufficient to allow the escape of people from the region Z affected by the fire and the intervention of safety personnel.
  • the nonflammable liquid can be constituted by water but is constituted preferably by a mixture of water with a liquid additive.
  • the liquid additive is constituted advantageously by a composition which has properties adapted to increase the surface tension of the wall of liquid and to raise the freezing and boiling points and the extinguishing and detergent capacities of the mixture with respect to the fumes and gases generated by the fire.
  • the liquid additive is constituted by a highly biodegradable combination of anionic surfactants, inorganic salts and demineralized water, which is commercially available and identified by the trademark Biosintex APT TM.
  • the mixture is constituted preferably by water in a proportion of 94-97% by volume and by liquid additive in a proportion of 6-3% by volume.
  • the source of liquid 1 1 is designed preferably so as to comprise a water reserve which is sufficient to ensure the generation of the at least two curtains of liquid 15 for no less than 20 minutes, preferably at least 30 minutes, and more preferably at least 90 minutes, which in general provides in any case the minimum time required, even in tunnels which are 5-13 km long, for the escape and rescue of the people involved, with the optional intervention of specialized teams in the times prescribed by applicable standards.
  • the system according to the invention comprises liquid dispensing means 12, which are formed by a plurality of nozzles 30 with a baffle 31 providing a fan-shaped jet, which are adapted to generate uniform walls of liquid of constant thickness which cover completely the transverse cross-section of the tunnel 1 in the selected locations where the curtains 15 are generated.
  • the nozzles are provided in sets, in which individual nozzles 30 are spaced one another and arranged on a plane which is perpendicular to the longitudinal extension of the tunnel 1 , so that the fan-shaped jets of liquid can cover completely its transverse cross-section.
  • the number of nozzles 30 of a set is established depending on the number of traffic lanes of the tunnel (one lane is typically 3-3.5 m wide, but it is possible to adapt the system, within the parameters of the mentioned flow-rates and pressures, for different lane widths), said set being preferably formed by two nozzles 30 for single-lane tunnels 1 or, for tunnels 1 with two, three, four or six lanes, respectively by three, four, five or seven nozzles 30.
  • the nozzles 30 are each constituted, in a preferred but not exclusive embodiment thereof, by a plate 32 and a complementary plate 33, which form the baffle 31 and are arranged so as to face each other with respective corresponding first internal faces 35 and 36 thereof, which are arranged at a distance d from each other so as to form a gap 37 for forming and homogenizing the jet of fluid.
  • the gap 37 has a perimetric edge region which has a first blocked portion 38 and a second open portion 39, the latter forming a slit 40 for dispensing the jet of fluid in a fan-shaped configuration.
  • the complementary plate 33 is provided, on its second outer surface 41, which lies opposite its first inner surface 36, with a through hole 42, which forms on the first inner surface 36 an outlet for the inflow of the liquid into the gap 37, and with a supply ring 43 with a supply passage 44 and a calibration port 45 which is connected to the through hole 42 in order to supply a controlled flow-rate of liquid in the gap 37. It is possible to insert in the ring 43, for example, by screwing or other means, a coupling nipple 60 or directly a supply duct.
  • the first blocked portion 38 is formed, in a preferred but not exclusive embodiment of the invention, by a spacer 46 of variable thickness, which comprises a first blocking region 46a of the first portion 38 of the perimetric region which has a thickness which determines the width of the gap 37, and a second region 46b, which is thinner than the first region 46a and faces the outlet for the liquid so as to redirect the flow of liquid fed through the ring 43 along the gap 37 and toward said dispensing slit 40.
  • the region 46b has a cross-section with constant thickness, but it can also be provided, in a variation, with a thickness which decreases with respect to the thickness of the first region 46a, or with a thickness which is equal to half the thickness of the region 46a until it reaches zero thickness for example in its end portion which reaches approximately the axis of the through hole 42.
  • the means 13 for conveying the liquid comprise a pumping assembly 50, 51, 52, which is constituted by an electrically-operated pusher pumping apparatus 50, and preferably and additionally by an electrically-operated pressurization pumping apparatus 51 , and even more preferably also by a reserve pusher pumping apparatus 52 which is driven by a heat engine.
  • the source of liquid contains a water reserve and is further provided with a premixing apparatus 54, which is provided downstream of said water reserve in order to prepare the mixture of water and liquid additive.
  • the means 13 for conveying the liquid comprise a set of pipes 55 adapted to allow the transfer of liquid from the water reserve 1 1 and/or from said premixing apparatus 54 to the dispensing means 12 with the flow-rates and pressures required to generate the walls of liquid.
  • the set of pipes 55 comprises a backbone pipe 56 which runs along the longitudinal extension of the tunnel and, branching out from it at each of said selected locations, a plurality of liquid distribution pipes 57, each provided with a liquid supply connection to the respective nozzles 30 for generating the walls of liquid.
  • Each of the distribution pipes 57 is provided with a respective valve assembly 58, which can be remote-controlled in order to interrupt or allow the supply of pressurized liquid to the nozzles 30.
  • the distribution pipes 57 can be each constituted, as in Figure 1, by parallel portions (2 to 7 parallel portions) which supply in parallel each of the nozzles 30 that constitute the assembly for generating the curtain 15, or by a single branch portion, which is provided with, and supplies in series, the nozzles of the assembly.
  • a screen of parallel liquid curtains in a rake-like arrangement is formed which provides a highly effective multilayer wall of liquid.
  • the water reserve 11 is contained in a tank provided in a location in the vicinity of the tunnel or in the tunnel itself and is suitable and necessary to operate the apparatus for the preset time.
  • it can be connected to water supply sources that exist in the region of said tunnel.
  • the valve assemblies 58 are valve-controlled branch-offs which are installed at regular intervals preferably ranging from 20 to 100 meters, also depending on the structure of the tunnel 1 and on the presence of any corridors with escape exits, recesses with rescue and first aid equipment, et cetera.
  • valve assemblies 58 on the branches 57 can therefore, typically but not exclusively, be constituted by a segment with two (or 3, 4, 5 or 7) ways, which branches out from the primary backbone line 56 and is blocked upstream by a manual gate valve and by an electric automatic activation valve.
  • the system according to the preferred but not exclusive embodiment of the invention also provides a fire detection apparatus 14, which comprises means 24 for detecting the direction and speed of the air currents in the tunnel 1 and preferably further comprises video cameras 21, which are arranged in the tunnel 1 and are adapted to detect the ignition of a fire and to follow the involved people and vehicles. Moreover, even more preferably, there is also visual/acoustic indication equipment 22, in order to provide people with instructions on how to behave in case of danger, such as acoustic signals or voice instructions and/or visual signals indicating danger and/or forbidding transit.
  • the fire detection apparatus 14 comprises temperature sensing means 20 installed in the tunnel 1 , a central fire sensing unit C 1 and a central event management unit C2.
  • Said central units Cl and C2 are connected to each other and are adapted to be integrated as a single central unit C1/C2, with a data/command transmission link with the temperature sensing means 20, with the means 24 for sensing the direction and speed of the air currents, with the video cameras 21 and with the visual/acoustic indication equipment 22 (installed at the entrances of the tunnel and/or in the monitoring sections), and with the remotely controllable valve assemblies 58.
  • the temperature sensing means 20 comprise a linear sensor, which is constituted by a fiber-optic cable 25 which is applied to the vault and along the longitudinal extension of the tunnel 1.
  • the temperature sensing means 20 can comprise, in addition or as an alternative, infrared thermoelectric sensors, resistance-variation sensors, thermistors or thermocouples, and in this case an activation temperature threshold is provided for each device.
  • the system according to the invention further divides the tunnel 1 into a plurality of successive monitoring sections Sl, S2, ..., Sn, which have preferably identical lengths determined according to the total length of the tunnel 1 and to the type of vehicles that travel through it.
  • the lengths of the monitoring sections S 1 -Sn preferably range from 20 to 100 meters and more preferably amount to 60 meters, and the selected locations for the arrangement of said dispensing means 12 along the extension of the tunnel are located so that at least one is in each of said monitoring sections Sl-Sn.
  • the fire sensing apparatus is adapted to detect separately the moment of ignition and the location of a fire within one of said monitoring sections Sl- Sn and/or to jointly detect, in two or more of said sections, the extent of the region Z affected by the fire when it lies, along the longitudinal extension of the tunnel 1, in more than one of said monitoring sections Sl-Sn.
  • the central event management unit C2 is provided with hardware (for example a personal computer which acts as an overview panel) and with software suitable for managing and controlling all the events related to the detection of a fire and to the measures to be taken after detection, and with a button panel with as many buttons as there are preset monitoring sections Sl-Sn into which the tunnel 1 is divided, for the individual and/or combined manual activation of the valve assemblies 58.
  • hardware for example a personal computer which acts as an overview panel
  • software suitable for managing and controlling all the events related to the detection of a fire and to the measures to be taken after detection and with a button panel with as many buttons as there are preset monitoring sections Sl-Sn into which the tunnel 1 is divided, for the individual and/or combined manual activation of the valve assemblies 58.
  • the method for protecting people in a tunnel affected by a fire occurs according to the following steps: continuous monitoring of the preset monitoring sections Sl-Sn of the tunnel 1 , each of the monitoring sections comprising at least one of the plurality of selected locations along the longitudinal extension of the tunnel 1 provided with said liquid dispensing means 12; separate detection of the moment of ignition and of the location of a fire within one of said monitoring sections Sl-Sn and/or joint detection, in two or more of said sections, of the extent of the region Z affected by the fire when said region lies, along the longitudinal extension of the tunnel 1 , in more than one of said monitoring sections Sl-Sn ( Figures 1, 6 and 8 illustrate examples of fires affecting two consecutive said sections); selective activation of the liquid dispensing means 12 and dispensing of nonflammable liquid with flow-rates from approximately 600 to approximately 2100 1/min and at pressures from approximately 3 to approximately 4 bars in order to generate uniform walls of liquid of constant thickness which produce two curtains 15 of liquid which delimit respectively on either side the region Z affected by the
  • the method further entails the generation of additional walls of liquid which create additional curtains 15 of liquid (see Figure 8), generated in positions which lie outside said two curtains 15 of liquid, and preferably on the side of the region Z which is affected by the fire and corresponds to the most suitable direction D of escape for people.
  • additional walls of liquid which create additional curtains 15 of liquid (see Figure 8), generated in positions which lie outside said two curtains 15 of liquid, and preferably on the side of the region Z which is affected by the fire and corresponds to the most suitable direction D of escape for people.
  • the two walls of liquid are required in order to delimit a region Z, in the presence of prevailing winds and/or significant slopes of the tunnel 1 it is necessary to add at least one third wall on the side that requires reinforcement, which is also the side most suitable for the escape of people.
  • premixing step for preparing a mixture of water and liquid additive which constitutes the dispensed nonflammable liquid.
  • the premixing step comprises mixing water in a proportion of 94-97% by volume with a liquid additive in a proportion of 6-3% in order to prepare said mixture.
  • the step for activating the dispensing means 12 comprises feeding the liquid to the nozzles 30 with a baffle 31 provided with the gap 37 and forming and homogenizing in the gap a fan-shaped jet of liquid by controlled impact of the flow of liquid against two first mutually opposite surfaces 35, 36 of the plate 32 and complementary plate 33 which form the gap.
  • the method according to the invention comprises dividing the tunnel into the monitoring sections S 1 -Sn, which are monitored during the continuous monitoring step and have lengths which are preferably identical and are determined according to the total length of the tunnel and to the type of vehicles that travel therein. Said lengths are selected preferably from 20 to 100 meters, more preferably 60 meters.
  • the initial step is completed by placing said selected locations for the provision of the dispensing means so that there is at least one location in each of said monitoring sections.
  • the curtains 15 of liquid created by the walls of liquid are maintained for a total time of no less than 20 minutes, preferably at least 30 minutes and more preferably at least 90 minutes.
  • the sensing step can also comprise sensing, by means of the fire detection apparatus 14, the actual direction and speed of the air currents in the tunnel and the actual direction along the tunnel 1 in which the shelter or tunnel end closest to the region affected by the fire is located; determining, on the basis of the data acquired by sensing the actual direction, the most suitable direction D of escape of the people involved to be followed, the optional generation of additional walls of liquid being thus performed by said dispensing means 12 located on the side of the region Z affected by the fire that corresponds to the escape direction D that has been determined as the most suitable.
  • provisions are also made for giving to the people involved, by means of the visual/acoustic indication equipment 22, instructions on how to behave in the specific case and for interrupting any supply of current at least in the region affected by the fire, and finally for warning safety personnel to intervene.
  • Biosintex-SE/APTTM An important improvement effect of Biosintex-SE/APTTM with respect to the already-known BioversalTM is that a higher surface tension is produced in the water in order to ensure a greater mechanical strength of the wall of liquid in the presence for example of air currents or wind.
  • BiosintexTM in the system according to the invention with respect to the previously used BioversalTM allows an improvement in the suppression of fumes (volatile organic substances) and an improvement in the suppression of toxic gases such as CO, SO 2 , NO, NO 2 , HCl, HCN, as shown by the following table:
  • BiosintexTM product mixed with water with respect to BioversalTM is that in addition to improving the performance of the wall of water it allows to raise the freezing point of the mixture, avoiding thermal insulation of the backbone line where allowed by the average environmental temperatures; for the same reason, it raises the boiling point of the mixture, reducing the possibility of generating steam which can be dangerous for the people who are present on site.
  • the BiosintexTM liquid by having extinguishing characteristics, further allows to provide on the ground a barrier which is constituted by a foamy layer (comparable to a low expansion foam), which acts on the probable spills of flammable liquids, thus ensuring the containment of the damaged area and avoiding the propagation of the fire.
  • the characteristics of the wall of liquid generated by a number > 2 of nozzles 30 ensure total coverage of the entire cross- section of the tunnel 1 even in the case of a vault-like ceiling, due to the 180° fan-shaped spray without lateral angles of deflection generated by each individual nozzle 30.
  • the elimination of the deflection angles, caused by the particular configuration of the nozzles 30, on the spray of liquid allows to provide a better closure of the cross-section, avoiding the creation of unprotected spaces where the fumes/gas would otherwise pass.
  • the resulting wall of liquid is uniform and of identical thickness over the entire fan-like shape thanks to the solutions described above provided on the nozzle 30. In practice it has been found that the dimensions of each wall of liquid that is created by a single nozzle 30 can reach approximately 10-12 m in width.
  • the total flow-rate of each individual wall as defined above and at 3-
  • nozzles whose dimensions are adapted for installation even in railroad tunnels, in view of the limited size, reduces the impact of the air current created when the train passes.
  • the system allows to use flexible ducts (nozzle distribution arms) which are adapted to perform the required activity and at the same time are easy to install on vaulted ceilings, indeed because they are flexible.

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  • Life Sciences & Earth Sciences (AREA)
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  • Health & Medical Sciences (AREA)
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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

L'invention concerne un système de protection des personnes dans un tunnel (1) affecté par un incendie, comportant un appareil (10) de distribution de liquide non inflammable, qui est constitué d'une source (11) de liquide non inflammable, de moyens (12) de distribution du liquide disposés dans une pluralité d'emplacements présélectionnés le long du tunnel (1), et de moyens (13) de transport du liquide entre la source (11) et les moyens de distribution (12); un appareil de détection d'incendie (14), qui est conçu pour détecter le moment où l'incendie se déclare et l'emplacement d'un incendie dans le tunnel; et au moins deux rideaux (15) de liquide non inflammable que produisent les moyens de distribution du liquide (12) suite à la détection d'un incendie par l'appareil de détection, dans au moins deux des emplacements présélectionnés, l'appareil de détection d'incendie comportant des moyens de détection (20) qui sont conçus pour détecter l'étendue de la région affectée par l'incendie le long du tunnel (1), lesdits au moins deux rideaux (15) de liquide que produisent les moyens de distribution du liquide (12) étant arrangés pour délimiter de chaque côté la région affectée par l'incendie, chaque rideau (15) recouvrant entièrement la section transversale respective du tunnel (1).
PCT/EP2006/010542 2006-04-19 2006-11-02 Système et procédé de protection des personnes dans un tunnel affecté par un incendie Ceased WO2007118499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2006A000779 2006-04-19
ITMI20060779 ITMI20060779A1 (it) 2006-04-19 2006-04-19 Sistema e procedimento per la protezione delle persone che si trovano in una galleria interessata da un incendio

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WO2007118499A1 true WO2007118499A1 (fr) 2007-10-25

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20090805A1 (it) * 2009-05-11 2010-11-12 S P A I S R L Sistema di sicurezza per salvaguardare, in caso d'incendio, le persone bloccate in una galleria stradale o autostradale
WO2014201453A1 (fr) * 2013-06-14 2014-12-18 Tyco Fire Products Lp Système de protection contre un feu de tunnel
US9950909B1 (en) * 2017-02-12 2018-04-24 Mohammad Kazemirad Tunnel relief device
CN112146902A (zh) * 2020-10-10 2020-12-29 中铁西南科学研究院有限公司 一种高寒高海拔环境隧道气动效应动模型试验系统及方法
CN112857467A (zh) * 2021-03-09 2021-05-28 合肥工业大学 一种可调风温及湿度的峡谷隧道群污染物窜流测量系统
CN118148479A (zh) * 2024-04-09 2024-06-07 广东振兴消防设备有限公司 一种用于防火卷帘门预警的智能视觉感知系统
JP2024118486A (ja) * 2023-02-21 2024-09-02 能美防災株式会社 放水設備

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CN112857467B (zh) * 2021-03-09 2022-04-26 合肥工业大学 一种可调风温及湿度的峡谷隧道群污染物窜流测量系统
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JP7745581B2 (ja) 2023-02-21 2025-09-29 能美防災株式会社 放水設備
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