CN201537342U - Automatic fire extinguishing system for long tunnel - Google Patents
Automatic fire extinguishing system for long tunnel Download PDFInfo
- Publication number
- CN201537342U CN201537342U CN2009202478332U CN200920247833U CN201537342U CN 201537342 U CN201537342 U CN 201537342U CN 2009202478332 U CN2009202478332 U CN 2009202478332U CN 200920247833 U CN200920247833 U CN 200920247833U CN 201537342 U CN201537342 U CN 201537342U
- Authority
- CN
- China
- Prior art keywords
- pressure
- fire extinguishing
- switch valve
- pump
- emergency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an automatic fire extinguishing system for a long tunnel, which comprises an emergency pipeline, a water tank, a PLC and more than three single-area fire extinguishing units. The PLC is respectively connected with the single-area fire extinguishing units via a control cable. Each single-area fire extinguishing unit comprises a sprayer, a pure water high pressure pump and an ultrahigh pressure pipeline, the pure water high pressure pump can output high pressure water flow of higher than 14 MPa, and the sprayer is a multi-nozzle combined water mist sprayer. The system uses tiny mist formed by ultrahigh pressure water flow after flowing through the special water mist sprayer for fire extinguishing, the mist can rapidly vaporize when encountering flame and high temperature and expand volume for more than 1700 times to greatly reduce oxygen concentration of a protective area, thereby having strong vaporization and cooling functions and oxygen separation and stifling functions, and simultaneously, the mist can further enclose fire source to prevent heat radiation and heat diffusion, thereby achieving the purpose of quick fire extinguishing.
Description
Technical field
The utility model relates to a kind of tunnel fire-fighting equipment, specifically a kind of long tunnel automatic fire extinguishing system.
Background technology
Along with the develop rapidly of Chinese national economy, the effect of the transport hub of railway, highway is more and more significant, and the tunnel is as railway, highway important component part along the line, and the status in Study of Transportation Along is also more and more important.The tunnel be vehicle through the place, along with economic development, the density that vehicle passes through in the tunnel is increasing, in case breaking out of fire very easily causes serious consequences such as the dead group of group wound, property loss.Because tunnel geometry complexity, ventilation condition are poor, general strong, the influence such as the heat transmission is violent of comburant chemical reaction, that tunnel fire hazard spreads soon, temperature rises is fast, dense smoke build up be difficult for diffusing, evacuating personnel is difficult, be difficult for putting out a fire to save life and property.
Present tunnel both domestic and external fire-fighting equipment mainly is fire extinguisher, fire hydrant and water spray and water injection system.In the whole piece tunnel, provide an emergent point every the distance of 100～200m, each emergent point has a phone, and two fire extinguishers and a fire hydrant use for emergent.What fire extinguisher used is gas extinguishing agent, and low, the weak effect of fire-fighting efficiency has certain harm to environment and human body, and fire extinguishing back Installation Restoration is slow, and gas extinguishing system involves great expense the maintenance cost height.The fire hydrant normal pitch is 50m, and tunnel fire hazard is many to be caused by vehicle fuel oil or vehicle-mounted inflammable cargo, easily follows deflagration phenomenon, and fire hydrant is difficult to this type of fire of control.This shows that the subject matter that existing fire extinguishing system exists is that fire-fighting efficiency is low, fire extinguishing weak effect, automaticity are low, environment and human body are had certain harm.
Summary of the invention
Be to solve the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of automaticity height, fire-fighting efficiency height, good extinguishing effect, to environment and body harmless's long tunnel automatic fire extinguishing system.
For achieving the above object, the technical solution of the utility model is as follows: a kind of long tunnel automatic fire extinguishing system comprises the emergency pressure transmitter, the emergency pressure table, emergent check valve, emergent motor, emergency pump, emergent filter, water tank, PLC controller and fire extinguishing unit, single district more than three, described emergent filter one end is connected with water tank by pipeline, the other end is connected with emergency pump by pipeline, described emergent motor is connected on the emergency pump, described emergency pressure transmitter and emergency pressure table are installed on the high-voltage tube of emergency pump water side, described emergency pump is connected with each fire extinguishing unit, single district respectively by high-voltage tube, and described PLC controller is connected with each fire extinguishing unit, single district respectively by the control cable; Fire extinguishing unit, described single district comprises shower nozzle, head cartridge, pressure switch, single district switch valve, high service switch valve, Pressure gauge, pressure transmitter, high pressure backwater switch valve, high-pressure overflow valve, threephase asynchronous machine, pure water high-pressure pump, preposition threephase asynchronous machine, fore pump, filter, described filter one end by low-voltage tube be connected with water tank, the other end is by low-voltage tube and fore pump, described preposition threephase asynchronous machine is connected with fore pump; Described fore pump is connected with the pure water high-pressure pump by low-voltage tube, and described threephase asynchronous machine is connected with the pure water high-pressure pump; Be connected with the high service switch valve on the port of export high-voltage tube of pure water high-pressure pump, described Pressure gauge, pressure transmitter, high pressure backwater switch valve, high-pressure overflow valve are installed on the high-voltage tube between pure water high-pressure pump and the high service switch valve; The other end of described high service switch valve is connected with single district switch valve by the high-voltage tube of emergency pump water side, the other end of single district switch valve is connected with one group of shower nozzle by low-voltage tube, and described pressure switch is installed on the water side pipeline of single district switch valve; Described shower nozzle is installed on the head cartridge, and the cigarette temperature sensor also is installed on the described head cartridge.
Pure water high-pressure pump described in the utility model is seven plungers or the nine plunger positive displacement water hydraulic pumps of the above High-Pressure Water of exportable 14MPa.
High service switch valve described in the utility model and high pressure backwater switch valve are controllable bi-bit bi-pass pure water hydraulics switch valves.
Shower nozzle described in the utility model is a multiinjector combined type fine mist spray head, and seven three tangential slot type direct projection eddy flow mist-generating nozzles are installed on it.
PLC controller described in the utility model is connected with threephase asynchronous machine with pressure switch, single district switch valve, high service switch valve, the high pressure backwater switch valve of each fire extinguishing unit, single district respectively by the control cable.
Compared with prior art, the utlity model has following beneficial effect:
1, because the utility model is to utilize press water to flow through a kind of fire-fighting system that the fine mist that forms behind the special-purpose fine mist spray head is put out a fire or protected.The thin average fogdrop diameter of water smoke is little; specific area and density are higher; vaporize rapidly after meeting flame high temperature; volume is inflatable more than 1700 times; the oxygen concentration of protection zone is greatly reduced; have very strong vaporization cooling effect and oxygen barrier smothering action, simultaneously thin water smoke can also surround burning things which may cause a fire disaster the prevention heat radiation, prevent thermal diffusion, reach the purpose of rapid fire extinguishing.Characteristics such as emerging water fire-fighting fire extinguishing technology, fine water mist fire-extinguishing system has the two-fold advantage of extinction using gas and water fire extinguishing, and with its environmental protection, and is efficient, nontoxic progressively replace extinction using gas, water sprinkling fire-distinguishing and halon fire agent to become the fire-fighting technique of main flow.
2, because the utility model is divided into three above subregions with the long tunnel more than the km, compare with the conventional tunnel layout, realized the apparatus arrangement low cost, the fire extinguishing high efficiency.
3, because the utility model adopts novel multiinjector combined type fine mist spray head, seven three tangential slot type direct projection eddy flow mist-generating nozzles are installed on this shower nozzle, the atomization angle of whole shower nozzle is enlarged, make in the subregion and even the fine mist fire-fighting of fire-fighting efficiency height, good extinguishing effect has been realized in whole tunnel;
4,, realized that the automation of tunnel fire hazard detects, monitor, put out etc., for the automation fire-fighting of long tunnel provides new departure, new equipment because the utility model adopts PLC controller and cigarette temperature sensor to unite use.
5, because the utility model is simple in structure, compact, improve fire detection efficient to greatest extent, strengthened the fine mist fire-fighting effect, reduced the detection difficult and the fire extinguishing energy waste that bring because of the intensity of a fire is less.
Description of drawings
The utility model has accompanying drawing 3 width of cloth, wherein:
Fig. 1 is a long tunnel automatic fire extinguishing system structural representation.
Fig. 2 is a long tunnel automatic fire extinguishing system list district fire extinguishing cellular construction schematic diagram.
Fig. 3 is a multiinjector combined type fine mist spray head structural representation.
Among the figure, 1, shower nozzle, 2, head cartridge, 3, pressure switch, 4, the partition switch valve, 5, the high service switch valve, 6, Pressure gauge, 7, pressure transmitter, 8, high pressure backwater switch valve, 9, high-pressure overflow valve, 10, threephase asynchronous machine, 11, the pure water high-pressure pump, 12, preposition threephase asynchronous machine, 13, fore pump, 14, filter, 15, the emergency pressure transmitter, 16, the emergency pressure table, 17, emergent check valve, 18, emergent motor, 19, emergent high-pressure pump, 20, emergent filter, 21, water tank, 22, the PLC controller, 23, fire extinguishing unit, single district, 24, the cigarette temperature sensor, 25, three tangential slot type direct projection eddy flow mist-generating nozzles.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Shown in Fig. 1-2, a kind of long tunnel automatic fire extinguishing system comprises emergency pressure transmitter 15, emergency pressure table 16, emergent check valve 17, emergent motor 18, emergency pump 19, emergent filter 20, water tank 21, PLC controller 22 and fire extinguishing unit 23, single district more than three, described emergent filter 20 1 ends are connected with water tank 21 by pipeline, the other end is connected with emergency pump 19 by pipeline, described emergent motor 18 is connected on the emergency pump 19, described emergency pressure transmitter 15 and emergency pressure table 16 are installed on the high-voltage tube of emergency pump 19 water sides, described emergency pump 19 is connected with each fire extinguishing unit 23, single district respectively by high-voltage tube, and described PLC controller 22 is connected with each fire extinguishing unit 23, single district respectively by the control cable; Fire extinguishing unit 23, described single district comprises shower nozzle 1, head cartridge 2, pressure switch 3, single district switch valve 4, high service switch valve 5, Pressure gauge 6, pressure transmitter 7, high pressure backwater switch valve 8, high-pressure overflow valve 9, threephase asynchronous machine 10, pure water high-pressure pump 11, preposition threephase asynchronous machine 12, fore pump 13, filter 14, described filter 14 1 ends by low-voltage tube be connected with water tank 21, the other end is by low-voltage tube and fore pump 13, described preposition threephase asynchronous machine 12 is connected with fore pump 13; Described fore pump 13 is connected with pure water high-pressure pump 11 by low-voltage tube, and described threephase asynchronous machine 10 is connected with pure water high-pressure pump 11; Be connected with high service switch valve 5 on the port of export high-voltage tube of pure water high-pressure pump 11, described Pressure gauge 6, pressure transmitter 7, high pressure backwater switch valve 8, high-pressure overflow valve 9 are installed on the high-voltage tube between pure water high-pressure pump 11 and the high service switch valve 5; The other end of described high service switch valve 5 is connected with single district switch valve 4 by the high-voltage tube of emergency pump 19 water sides, the other end of single district switch valve 4 is connected with one group of shower nozzle 1 by low-voltage tube, and described pressure switch 3 is installed on the water side pipeline of single district switch valve 4; Described shower nozzle 1 is installed on the head cartridge 2, on the described head cartridge 2 cigarette temperature sensor 24 is installed also.Described pure water high-pressure pump 11 is seven plungers or nine plunger positive displacement water hydraulic pumps of the above High-Pressure Water of exportable 14MPa.Described high service switch valve 5 and high pressure backwater switch valve 8 are controllable bi-bit bi-pass pure water hydraulics switch valves.Described shower nozzle 1 is a multiinjector combined type fine mist spray head, and seven three tangential slot type direct projection eddy flow mist-generating nozzles 25 are installed on it.Described PLC controller 22 is connected with threephase asynchronous machine 10 with pressure switch 3, single district switch valve 4, high service switch valve 5, the high pressure backwater switch valve 8 of each fire extinguishing unit 23, single district respectively by the control cable.
Extinguishing method of the present utility model may further comprise the steps:
A, when the cigarette temperature sensor 24 that is installed in each subregion detects when in the subregion fire being arranged, detection system is reported to the police, PLC controller 22 sends the preposition threephase asynchronous machine 12 of signal controlling and threephase asynchronous machine 10 makes whole system realize supplying water;
B, threephase asynchronous machine 10 drive 11 rotations of pure water high-pressure pump, output is greater than the High-Pressure Water of 14MPa, PLC controller 22 control high service switch valves 5 are for shower nozzle provides water under high pressure, and water under high pressure sprays thin water smoke through being installed in the tangential slot type direct projection eddy flow mist-generating nozzle of three on the shower nozzle;
C, PLC controller 22 are controlled the water under high pressure overflow of fire extinguishing systems by high pressure backwater switch valve 8, and directly control opening or closing of single district switch valve 4, thereby the work of realization high pressure water system subregion is carried out subregion and put out a fire.
Claims (5)
1. long tunnel automatic fire extinguishing system, it is characterized in that: comprise emergency pressure transmitter (15), emergency pressure table (16), emergent check valve (17), emergent motor (18), emergency pump (19), emergent filter (20), water tank (21), PLC controller (22) and fire extinguishing unit (23), single district more than three, described emergent filter (20) one ends are connected with water tank (21) by pipeline, the other end is connected with emergency pump (19) by pipeline, described emergent motor (18) is connected on the emergency pump (19), described emergency pressure transmitter (15) and emergency pressure table (16) are installed on the high-voltage tube of emergency pump (19) water side, described emergency pump (19) is connected with each single fire extinguishing unit, district (23) respectively by high-voltage tube, and described PLC controller (22) is connected with each single fire extinguishing unit, district (23) respectively by the control cable; Described single fire extinguishing unit, district (23) comprises shower nozzle (1), head cartridge (2), pressure switch (3), single district switch valve (4), high service switch valve (5), Pressure gauge (6), pressure transmitter (7), high pressure backwater switch valve (8), high-pressure overflow valve (9), threephase asynchronous machine (10), pure water high-pressure pump (11), preposition threephase asynchronous machine (12), fore pump (13), filter (14), described filter (14) one ends are connected with water tank (21) by low-voltage tube, the other end is by low-voltage tube and fore pump (13), and described preposition threephase asynchronous machine (12) is connected with fore pump (13); Described fore pump (13) is connected with pure water high-pressure pump (11) by low-voltage tube, and described threephase asynchronous machine (10) is connected with pure water high-pressure pump (11); Be connected with high service switch valve (5) on the port of export high-voltage tube of pure water high-pressure pump (11), described Pressure gauge (6), pressure transmitter (7), high pressure backwater switch valve (8), high-pressure overflow valve (9) are installed on the high-voltage tube between pure water high-pressure pump (11) and the high service switch valve (5); The other end of described high service switch valve (5) is connected with single district's switch valve (4) by the high-voltage tube of emergency pump (19) water side, the other end of single district's switch valve (4) is connected with one group of shower nozzle (1) by low-voltage tube, and described pressure switch (3) is installed on the water side pipeline of single district's switch valve (4); Described shower nozzle (1) is installed on the head cartridge (2), and cigarette temperature sensor (24) also is installed on the described head cartridge (2).
2. long tunnel automatic fire extinguishing system according to claim 1 is characterized in that: described pure water high-pressure pump (11) is seven plungers or the nine plunger positive displacement water hydraulic pumps of the above High-Pressure Water of exportable 14MPa.
3. long tunnel automatic fire extinguishing system according to claim 1 is characterized in that: described high service switch valve (5) and high pressure backwater switch valve (8) are controllable bi-bit bi-pass pure water hydraulics switch valves.
4. long tunnel automatic fire extinguishing system according to claim 1 is characterized in that: described shower nozzle (1) is a multiinjector combined type fine mist spray head, and seven three tangential slot type direct projection eddy flow mist-generating nozzles (25) are installed on it.
5. long tunnel automatic fire extinguishing system according to claim 1 is characterized in that: described PLC controller (22) is connected with threephase asynchronous machine (10) with the pressure switch (3) of each single fire extinguishing unit, district (23), single district switch valve (4), high service switch valve (5), high pressure backwater switch valve (8) respectively by the control cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202478332U CN201537342U (en) | 2009-11-03 | 2009-11-03 | Automatic fire extinguishing system for long tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202478332U CN201537342U (en) | 2009-11-03 | 2009-11-03 | Automatic fire extinguishing system for long tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201537342U true CN201537342U (en) | 2010-08-04 |
Family
ID=42588793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202478332U Expired - Lifetime CN201537342U (en) | 2009-11-03 | 2009-11-03 | Automatic fire extinguishing system for long tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201537342U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284161A (en) * | 2011-07-06 | 2011-12-21 | 南京信诚艾尔克工业灭火设备制造有限公司 | Firefighting extinguishment module and control system |
| CN104125850A (en) * | 2011-12-19 | 2014-10-29 | 维德消防设备公司 | Modular, permanently installed tunnel fire protection system |
| CN105641833A (en) * | 2016-03-17 | 2016-06-08 | 王露露 | Fire extinguishing system of cable tunnel |
| CN109316698A (en) * | 2018-11-13 | 2019-02-12 | 梁勇旗 | A kind of double-hole tunnel two-way subregion relay moisturizing pipeline dry type water fire fighting system |
| CN109339850A (en) * | 2018-11-13 | 2019-02-15 | 梁勇旗 | A kind of list hole tunnel single channel subregion relay moisturizing pipeline dry type water fire fighting system |
| CN109529236A (en) * | 2018-11-13 | 2019-03-29 | 梁勇旗 | A kind of tunnel subregion relay moisturizing pipeline dry water fire control system |
| CN109529221A (en) * | 2018-11-13 | 2019-03-29 | 梁勇旗 | A kind of tunnel subregion relay moisturizing pipeline dry water fire-fighting method |
| CN110344873A (en) * | 2019-06-25 | 2019-10-18 | 国网北京市电力公司 | Electric power tunnel extinguishing device |
| RU2751690C1 (en) * | 2020-12-18 | 2021-07-15 | Общество С Ограниченной Ответственностью "Инженерный Центр Пожарной Робототехники "Эфэр" | Intermittent modular robotic fire extinguishing system |
| RU2808270C1 (en) * | 2023-02-22 | 2023-11-28 | Общество С Ограниченной Ответственностью "Инженерный Центр Пожарной Робототехники "Эфэр" | Method of extinguishing fires using robotic fire extinguishing installations |
-
2009
- 2009-11-03 CN CN2009202478332U patent/CN201537342U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284161A (en) * | 2011-07-06 | 2011-12-21 | 南京信诚艾尔克工业灭火设备制造有限公司 | Firefighting extinguishment module and control system |
| CN102284161B (en) * | 2011-07-06 | 2013-02-13 | 南京信诚艾尔克工业灭火设备制造有限公司 | Firefighting extinguishment module and control system |
| CN104125850A (en) * | 2011-12-19 | 2014-10-29 | 维德消防设备公司 | Modular, permanently installed tunnel fire protection system |
| CN105641833A (en) * | 2016-03-17 | 2016-06-08 | 王露露 | Fire extinguishing system of cable tunnel |
| CN109529236A (en) * | 2018-11-13 | 2019-03-29 | 梁勇旗 | A kind of tunnel subregion relay moisturizing pipeline dry water fire control system |
| CN109339850A (en) * | 2018-11-13 | 2019-02-15 | 梁勇旗 | A kind of list hole tunnel single channel subregion relay moisturizing pipeline dry type water fire fighting system |
| CN109316698A (en) * | 2018-11-13 | 2019-02-12 | 梁勇旗 | A kind of double-hole tunnel two-way subregion relay moisturizing pipeline dry type water fire fighting system |
| CN109529221A (en) * | 2018-11-13 | 2019-03-29 | 梁勇旗 | A kind of tunnel subregion relay moisturizing pipeline dry water fire-fighting method |
| CN109529236B (en) * | 2018-11-13 | 2021-03-05 | 梁勇旗 | Dry-type water fire control system of tunnel partition relay water replenishing pipeline |
| CN109316698B (en) * | 2018-11-13 | 2023-09-05 | 梁勇旗 | Dry-type water fire-fighting system for double-tunnel double-channel partition relay water supplementing pipeline |
| CN110344873A (en) * | 2019-06-25 | 2019-10-18 | 国网北京市电力公司 | Electric power tunnel extinguishing device |
| RU2751690C1 (en) * | 2020-12-18 | 2021-07-15 | Общество С Ограниченной Ответственностью "Инженерный Центр Пожарной Робототехники "Эфэр" | Intermittent modular robotic fire extinguishing system |
| RU2808270C1 (en) * | 2023-02-22 | 2023-11-28 | Общество С Ограниченной Ответственностью "Инженерный Центр Пожарной Робототехники "Эфэр" | Method of extinguishing fires using robotic fire extinguishing installations |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201537342U (en) | Automatic fire extinguishing system for long tunnel | |
| CN201578780U (en) | Low-pressure water mist extinguishing device for carriages | |
| CN202526807U (en) | Fire fighting system for road-rail fire fighting truck | |
| CN202086984U (en) | Automatic self-extinguishing device of motor vehicles | |
| CN101699031B (en) | System for automatically extinguishing fire in long tunnel and extinguishing method thereof | |
| CN105536177A (en) | Special fire extinguishing system for public transport passenger compartment | |
| CN113144467A (en) | Distributed all-nitrogen fire extinguishing system and method for power cabin of urban underground comprehensive pipe gallery | |
| CN102688570A (en) | Fire safety safeguards system for tunnel and extinguishing method thereof | |
| CN102553116A (en) | Thin water mist fire extinguishing system | |
| CN105268132A (en) | Fire extinguishment and escape system of automobile | |
| CN206414660U (en) | A kind of standby cabinet type perfluorethyl isopropyl ketone extinguishing device of pressure | |
| CN203750066U (en) | Nitrogen atomization water mist fire extinguishment device for public bus | |
| CN203379536U (en) | Independently-usable movable foam fire extinguishing device | |
| CN201101841Y (en) | Fire extinguisher with atomization device for underground carriage | |
| CN215585304U (en) | Full nitrogen fire extinguishing systems of city utility tunnel electric power cabin distributing type | |
| CN210228940U (en) | Fire detection and fire extinguishing integrated system in large-scale passenger vehicle | |
| CN210131281U (en) | High-pressure water mist fire extinguishing system applied to urban underground comprehensive pipe gallery | |
| CN209809346U (en) | Automatic fire extinguishing system of straddle type monorail vehicle | |
| CN112206434A (en) | Multifunctional linkage fire extinguishing device and working method thereof | |
| CN107320882A (en) | A kind of automatic emergency of intelligentized control method supplies nitrogen device | |
| CN204208218U (en) | Having in compartment can the passenger vehicle of automatic fire-extinguishing function | |
| CN103830860A (en) | Marine fire detection and water mist fire extinguishing system | |
| CN205198748U (en) | Vehicle system of fleing that puts out a fire | |
| CN205198749U (en) | Fire extinguishing agent sprinkler | |
| CN203935542U (en) | A kind of GPS intelligent gas automatic early-warning extinguishment fire suppression system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100804 Effective date of abandoning: 20091103 |