CN105833447B - A kind of tunnel rescue station compressed-air foam bolt housing system and extinguishing method - Google Patents
A kind of tunnel rescue station compressed-air foam bolt housing system and extinguishing method Download PDFInfo
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- CN105833447B CN105833447B CN201610202512.5A CN201610202512A CN105833447B CN 105833447 B CN105833447 B CN 105833447B CN 201610202512 A CN201610202512 A CN 201610202512A CN 105833447 B CN105833447 B CN 105833447B
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- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
Abstract
The present invention relates to a kind of tunnel rescue station compressed-air foam bolt housing system and extinguishing methods.When fire occurs for tunnel rescue station, Field Force opens one or several compressed-air foam bolt housings, press start button, system controller starts compressed-air foam generation device, the number of signals opening partitioning control valve and being fed back according to each alarm control unit, adjust automatically water flow, foam solution and gas flow are also according to water flow adjust automatically simultaneously, form compressed-air foam, Field Force holds foam gun alignment train fire area and sprays compressed-air foam, carries out targetedly fire extinguishing and saves；After fire extinguishing, system restores original state under normal circumstances.The present invention avoids entire bolt housing due to wherein a set of failures from failing using double foam gun compressed-air foam bolt housing modes, the security reliability of safeguards system, and can reduce the foam flow of single foam gun, is allowed to be easier to manipulate.It ensure that the security reliability and fire extinguishing high efficiency of system.
Description
Technical field
The invention belongs to the fixed fire-fighting equipments of fire-fighting, more particularly, to a kind of tunnel rescue station compressed-air foam bolt housing system
System and extinguishing method.
Background technique
With the high speed development of railway construction, railway tunnel of growing up is increasing.These railway tunnel of growing up are for traffic
Conveyer belt is come while convenience, also to tunnel hazard prevention rescue, more stringent requirements are proposed.It is more than 20km's especially for length
For super long tunnel, once fire incident occurs in tunnel for train, only relies on residual power and be difficult to be driven out to tunnel, it is necessary in tunnel
Rescue station is set in road, hedging will be carried out in the safety zone of evacuating personnel on train to rescue station, and utilize rescue station fire-fighting
Facility saves in time to train fire.Therefore, the setting of tunnel rescue station it is reliable, efficiently fix fire-fighting equipment, for
Support personnel, train and tunnel safety have great importance.
Fixed compressed air foam extinguishing technology is a kind of novel foam extinguishing technology having gradually developed in recent years,
It is to generate foam by way of the positive pressure injection air into foam solution.Compressed-air foam structure is fine and smooth, uniform, analyses liquid
Time is long, and stability is high, can be covered on the surface of protected object for a long time, for A class fire, B class fire and has A, B class
The train fire for mixing fiery feature all has higher fire extinguishing effectiveness, and water consumption is small, is suitable for the railway in water resources shortage
It is used in tunnel, therefore fixed compressed air foam extinguishing technology has solution tunnel rescue station fire attack technical problem
Advantage.
Existing fixed compressed air foam fire-extinguishing system is mainly deluge system, for example, Authorization Notice No.
The patent of CN202909347U, discloses a kind of fixed compressed air foam fire-extinguishing apparatus, the device first by foam solution with
Water, foam solution are mixed with air proportion, form compressed-air foam, and it is defeated then to carry out foam by main feedline
It send, then sprinkling release is carried out by fixed pipe network and spray head.This deluge system belongs to automatic fire extinguishing system, due to train fire
Interior is occurred mainly in, and the metal car body of train can block foam, and foam is made to be difficult to apply to interior, therefore existing
There is deluge system to be not suitable for tunnel rescue station.In addition, existing fighting fires with compressed-air foam vehicle can pass through compressed-air foam
Rifle or big gun simultaneously discharge compressed-air foam by manual operation, but this system belongs to mobile fire extinguishing equipment, and structure is complicated, needs
Professional firefighters' operation, is unable to satisfy the practical application request of tunnel rescue station.
Summary of the invention
It is an object of the invention to overcome the shortcomings of existing fire-fighting technique, and open one kind is easy to operate, safe and reliable, goes out
The high tunnel rescue station compressed-air foam bolt housing system of fiery efficiency and extinguishing method, the system can make according in the practical scene of a fire
Foam solution flow is automatically adjusted with the quantity of foam gun, and accurately controls foam solution mixing ratio and gas liquid ratio, can both be used
In newly-built railway tunnel rescue station, can also be used in built rescue station.
The present invention takes following technical scheme to achieve the above object: a kind of tunnel rescue station compressed-air foam bolt housing system
System, including compressed-air foam generation device, system controller, it is characterised in that: it further include compressed-air foam bolt housing, it is described
Compressed-air foam generation device, system controller setting are in tunnel rescue station equipment cavern, several compressed air bubbles
Foam bolt housing is separately positioned on the two sidewalls in tunnel, and several compressed-air foam bolt housings pass through foam line respectively and compression is empty
The connection of gas foam generation device, several compressed-air foam bolt housings pass through signal control line respectively and connect with system controller, institute
Compressed-air foam generation device is stated to connect by signal control line with system controller.
A kind of extinguishing method of tunnel rescue station compressed-air foam bolt housing system, it is characterised in that: steps are as follows,
A), under normal circumstances, system is in electriferous state, and air compressor is in operating status, to guarantee to buffer gas tank
With the gas for maintaining certain pressure in gas piping, fire pump is in standby with foam pump；
B), when fire occurs for tunnel rescue station, Field Force opens one or several compressed-air foam bolt housings nearby,
The start button of alarm control unit is pressed, alarm signal is sent automatically to system controller, system control by signal control line
Device processed starts compressed-air foam generation device, opens the partitioning control valve in compressed-air foam bolt housing；
C), the number of signals that system controller is fed back according to each compressed-air foam bolt housing alarm control unit, it is automatic to adjust
Total water current amount needed for whole water flow to the compressed-air foam bolt housing having been turned on, while foam solution and gas flow are also according to water
Flow adjust automatically mixes it according to preset foam solution mixing ratio and gas liquid ratio, forms compressed-air foam, and
Compressed-air foam bolt housing is delivered to by fixed pipeline；
D), Field Force holds the foam gun alignment train fire area injection compressed air in compressed-air foam bolt housing
Foam carries out targetedly fire extinguishing and saves；
E), after fire extinguishing, Field Force presses the stop button of compressed-air foam bolt housing alarm control unit, closes
Close partitioning control valve, the number of signals that system controller is fed back according to each compressed-air foam bolt housing alarm control unit, in time
Water flow, foam solution mixing ratio and gas liquid ratio are adjusted, when all compressed-air foam bolt housing alarm control units all stop,
System controller is automatically stopped compressed-air foam generation device, and closes all partitioning control valves, and system restores normal condition
Under original state.
Advantages and advantages of the invention are:
1, the present invention uses compressed-air foam bolt housing mode, can according to scene of a fire situation practical in tunnel rescue station, by
Field Force uses the foam gun in compressed-air foam bolt housing targetedly to be put out a fire nearby, solves existing compressed air
Foam deluge system is difficult to for foam to be applied to the technical problem of fire area in compartment；Using double foam gun compressed-air foams
Bolt housing mode, not only can to avoid bolt housing failure entire due to wherein a set of failure, the security reliability of safeguards system, and
And the foam flow of single foam gun can be reduced, it is allowed to be easier to manipulate.
2, the quantity of the compressed-air foam rifle of the invention according to used in the practical scene of a fire automatically adjusts foam solution
Flow, and automatic and accurate control foam solution mixing ratio and gas liquid ratio, thus keep the compressed-air foam generated in stable condition, and
Have many advantages, such as that drainage time is long, fire extinguishing effectiveness is high, and then ensure that the security reliability and fire extinguishing high efficiency of system.
3, the present invention uses one-key start/stop mode, has many advantages, such as that easy to operate, safe and reliable, fire extinguishing effectiveness is high,
Both it can be used for newly-built railway tunnel rescue station, can also have been used in built rescue station；
4, the compressed-air foam that fire hydrant box system of the present invention generates, can effectively put out train A class fire, B class fire
And A, B class mix fire, are suitable for the rescue station application that the length in extra-long railway tunnel is 450m~600m.
Detailed description of the invention
Fig. 1 is system connection block diagram of the invention；
Fig. 2 is the structural schematic diagram of compressed-air foam generation device of the present invention；
Fig. 3 is the structural schematic diagram of single foam gun compressed-air foam bolt housing of the invention；
Fig. 4 is the structure principle chart of double foam gun compressed-air foam bolt housings of the invention.
Specific embodiment
The present invention is further illustrated below with reference to embodiment and its attached drawing.
As shown in Figure 1, a kind of tunnel rescue station compressed-air foam bolt housing system, including compressed-air foam generation device
1, system controller 2 further include compressed-air foam bolt housing 5.
Compressed-air foam generation device 1, system controller 2 are arranged in the equipment cavern of 6 rescue station of tunnel, several pressures
Contracting air foam bolt housing 5 is separately positioned on the two sidewalls in 6 rescue station of tunnel, and several compressed-air foam bolt housings 5 are led to respectively
It crosses foam line 3 to connect with compressed-air foam generation device 1, several compressed-air foam bolt housings 5 are controlled by signal respectively
Line 4 is connect with system controller 2, and compressed-air foam generation device 1 is connect by signal control line 4 with system controller 2.Number
A compressed-air foam bolt housing 5 is alternately laid on 6 wall of tunnel of rescue station two sides according to identical spacing, i.e. the tunnel 6 of side
Several compressed-air foam bolt housings 5, the interposition between every two compressed-air foam bolt housing 5 are laid according to identical spacing on wall
It sets and lays a compressed-air foam bolt housing 5, two adjacent compressed airs of the same side on 6 wall of tunnel of the corresponding other side
The distance between foam bolt housing 5 is 30m~60m, and each compressed-air foam bolt housing 5 is away from ground 0.5m~1.5m.
As shown in Fig. 2, compressed-air foam generation device 1, including fire pump 1-4, concentrated tank 1-5, foam pump
1-8, air compressor 1-12, buffering gas tank 1-13, foam producer 1-17 further include water pot 1-1, I 1-2 of shut-off valve, filtering
I 1-3 of device, II 1-6 of shut-off valve, II 1-7 of filter, I 1-9 of check valve, Water flow adjusting valve 1-10, water ga(u)ge 1-11, gas
Flowmeter 1-14, gas flow regulating valve 1-15, II 1-16 of check valve.
The outlet water pot 1-1 passes sequentially through I 1-2 of shut-off valve, I 1-3 of filter is connect with the entrance of fire pump 1-4, described
The outlet fire pump 1-4 passes sequentially through Water flow adjusting valve 1-10, water ga(u)ge 1-11 and the water of foam producer 1-17 and flows into
Mouth connection, the outlet concentrated tank 1-5 pass sequentially through II 1-6 of shut-off valve, II 1-7 of filter, foam pump 1-8, I 1-9 of check valve
Foam main pipe 1-18 between Water flow adjusting valve 1-10 and water ga(u)ge 1-11 is connect, and air compressor 1-12 is exported successively
By buffering gas tank 1-13, gas flowmeter 1-14, gas flow regulating valve 1-15, check valve II 1-16 and foam producer 1-
17 gas feed connection；System controller 2 by signal control line respectively with the output signal end of gas flowmeter 1-14, bubble
The signal output of the flow control input terminal of foam liquid pump 1-8, the control signal of Water flow adjusting valve 1-10, water ga(u)ge 1-11
The control signal connection at end, gas flow regulating valve 1-15；The foam outlet of foam producer 1-17 passes through foam main pipe 1-
18 are connected with foam line 3.
As shown in Figure 3 and Figure 4, compressed-air foam bolt housing 5 includes single foam gun compressed-air foam bolt housing 5-1 and Shuan Pao
Foam rifle compressed-air foam bolt housing 5-2.
Single foam gun compressed-air foam bolt housing 5-1 includes that a set of compressed-air foam bolt is equipped in cabinet 5-11,
A set of compressed-air foam bolt include moveable hinge connector 5-12, foam branch pipe 5-13, alarm control unit 5-14, side arm 5-15,
Partitioning control valve 5-16, fire hose reel 5-17, fire hose 5-18, foam gun 5-19.
Fire hose reel 5-17 is fixed in cabinet 5-11 by side arm 5-15 and moveable hinge connector 5-12, fire hose
Reel 5-17 is equipped with fire hose 5-18, and one end of fire hose 5-18 connects foam gun 5-19, and fire hose 5-18's is another
One end is connected by partitioning control valve 5-16 with the outlet foam branch pipe 5-13 being fixed on cabinet 5-11, and foam branch pipe 5-13 enters
Mouth stretching cabinet 5-11 is outer to be connected to the foam line 3 of system, and alarm control unit 5-14 is fixed in cabinet 5-11, alarm control
The first signal output end of unit 5-14 processed is connect with partitioning control valve 5-16, and second signal output end passes through signal control line 4
It is connect with system controller 2.
As shown in figure 4, the composition of double foam gun compressed-air foam bolt housing 5-2, is to install two in a cabinet 5-11
Cover the identical compressed-air foam bolt of independent structure.It so not only can be to avoid bolt housing entire due to wherein a set of failure
Failure, the security reliability of safeguards system, and the foam flow of single foam gun can be reduced, it is allowed to be easier to manipulate.
The length for the fire hose 5-18 that fire hose reel 5-17 is equipped with is 10m~40m.
Fire pump uses fire-fighting centrifugal pump or variable frequency pump, and discharge pressure is 0.4~1.6Mpa.
Foam pump is 0.4~2.5Mpa using gear pump or diaphragm pump or plunger pump or metering pump, foam hydraulic coupling.
Air compressor use screw air compressor or sliding-vane air compressor, supply gas pressure range be 0.4~
1.6Mpa。
Water flow adjusting valve uses electric metering control valve, such as 381LSA type electric metering control valve.
Gas flow regulating valve uses electric metering control valve, such as 381LSB type electric metering control valve.
Water ga(u)ge is using liquid turbine flowmeter or electromagnetic flowmeter or vortex-shedding meter.
Gas flowmeter uses vortex-shedding meter or turbine flowmeter.
Partitioning control valve uses electric control valve.
System controller 2 is using industrial mature PLC control technology, such as the CP1H type PLC of Omron Corp.
The number of signals that system controller 2 is fed back according to each 5 alarm control unit 5-14 of compressed-air foam bolt housing, automatically
Adjust the revolving speed of fire pump 1-4 or the aperture of Water flow adjusting valve 1-10, adjustment water flow to the compressed air having been turned on
Total water current amount needed for foam bolt housing 5；Meanwhile system controller 2 adjusts foam pump 1-8 according to water flow situation of change in real time
Revolving speed, adjust automatically foam flow quantity are allowed to inject foam solution, at the same time, system according to preset foam solution mixing ratio
Controller 2 is also according to the aperture of the real-time adjusting gas flow regulating valve 1-15 of water flow situation of change, adjust automatically gas flow,
It is allowed to according to preset gas liquid ratio injecting compressed air.
System controller 2 use PLC control technology, by alarm signal, partitioning control valve, water flow, foam flow quantity and
The basic parameters such as gas flow are programmed default.
A kind of extinguishing method of tunnel rescue station compressed-air foam bolt housing system, steps are as follows:
A), under normal circumstances, system is in electriferous state, and air compressor 1-12 is in operating status, to guarantee to buffer
The gas of certain pressure is maintained in gas tank 1-13 and gas piping, fire pump 1-4 and foam pump 1-8 are in standby shape
State；
B), when fire occurs for 6 rescue station of tunnel, Field Force opens one or several compressed-air foam bolt housings nearby
5, the start button of alarm control unit 5-14 is pressed, alarm signal is sent automatically to system controller 2 by signal control line,
System controller 2 starts compressed-air foam generation device 1, opens the partitioning control valve 5-16 in compressed-air foam bolt housing 5.
C), the number of signals that system controller 2 is fed back according to each 5 alarm control unit 5-14 of compressed-air foam bolt housing,
Total water current amount needed for adjust automatically water flow to the compressed-air foam bolt housing 5 having been turned on, while foam solution and gas flow
Also it according to water flow adjust automatically, mixes it according to preset foam solution mixing ratio and gas liquid ratio, it is empty to form compression
Gas foam, and compressed-air foam bolt housing 5 is delivered to by fixed pipeline.
D), Field Force holds the foam gun 5-19 in compressed-air foam bolt housing 5 and is directed at train fire area jet pressure
Contracting air foam carries out targetedly fire extinguishing and saves.
E), after fire extinguishing, Field Force press the stopping of 5 alarm control unit 5-14 of compressed-air foam bolt housing by
Button, closes partitioning control valve 5-16, and system controller 2 is fed back according to each 5 alarm control unit 5-14 of compressed-air foam bolt housing
Number of signals, water flow, foam solution mixing ratio and gas liquid ratio are adjusted in time, when all compressed-air foam bolt housings 5 are alarmed
When control unit 5-14 stops, system controller 2 is automatically stopped compressed-air foam generation device 1, and closes all subregions
Control valve 5-16, system restore original state under normal circumstances.
For example, by taking single foam gun compressed-air foam bolt housing as an example, table 1 is corresponding under different alarm quantity
System basic parameter.
TableSingle foam gun compressed-air foam bolt housing system basic parameter
Example 1, when in practical fire start four list foam gun compressed-air foam bolt housing 5-1 when, system controller 2 is according to pressure
When the alarm signal quantity that contracting air foam bolt housing 5-1 alarm control unit 5-14 control button is fed back is 4, automatically by liquid
Body flow is adjusted to 800L/min, while generating compressed air for foam solution and air according to 1% mixing ratio and 12:1 gas liquid ratio
Foam, and compressed-air foam bolt housing 5-1 is delivered to by foam line, to meet four compressed-air foam bolt housing 5-1's
Use demand.
Example 2, when in practical fire start ten list foam gun compressed-air foam bolt housing 5-1 when, system controller 2 is according to pressure
When the alarm signal quantity that contracting air foam bolt housing 5-1 alarm control unit 5-14 control button is fed back is 10, automatically will
Fluid flow is adjusted to 2000L/min, while it is empty to generate compression for foam solution and air according to 1% mixing ratio and 12:1 gas liquid ratio
Gas foam, and compressed-air foam bolt housing 5-1 is delivered to by foam line, to meet ten compressed-air foam bolt housing 5-1
Use demand.
Claims (4)
1. a kind of tunnel rescue station compressed-air foam bolt housing system, including the control of compressed-air foam generation device (1), system
Device (2), it is characterised in that: it further include compressed-air foam bolt housing (5), the compressed-air foam generation device (1), system control
In tunnel (6) rescue station equipment cavern, several compressed-air foam bolt housings (5) are separately positioned on tunnel for device (2) setting processed
On two sidewalls in road (6), several compressed-air foam bolt housings (5) are produced by foam line (3) and compressed-air foam respectively
Generating apparatus (1) connection, several compressed-air foam bolt housings (5) are connected by signal control line (4) and system controller (2) respectively
It connects, the compressed-air foam generation device (1) is connect by signal control line (4) with system controller (2)；
The compressed-air foam generation device (1), including fire pump (1-4), concentrated tank (1-5), foam pump (1-
8), air compressor (1-12), buffering gas tank (1-13), foam producer (1-17), it is characterised in that: further include water pot (1-
1), shut-off valve I (1-2), filter I (1-3), shut-off valve II (1-6), filter II (1-7), check valve I (1-9), water flow
Regulating valve (1-10), water ga(u)ge (1-11), gas flowmeter (1-14), gas flow regulating valve (1-15), II (1- of check valve
16) entrance that, water pot (1-1) outlet passes sequentially through shut-off valve I (1-2), filter I (1-3) and fire pump (1-4) connects
It connects, fire pump (1-4) outlet passes sequentially through Water flow adjusting valve (1-10), water ga(u)ge (1-11) and foam producer
The flow inlet of (1-17) connects, and concentrated tank (1-5) outlet passes sequentially through shut-off valve II (1-6), II (1- of filter
7), the pipeline between foam pump (1-8), check valve I (1-9) and Water flow adjusting valve (1-10) and water ga(u)ge (1-11) connects
It connects, air compressor (1-12) outlet passes sequentially through buffering gas tank (1-13), gas flowmeter (1-14), gas flow tune
Section valve (1-15), check valve II (1-16) are connect with the gas feed of foam producer (1-17)；The system controller (2) is logical
Cross signal control line respectively with the output signal end of gas flowmeter (1-14), foam pump (1-8) flow control input terminal,
The control signal of Water flow adjusting valve (1-10), the signal output end of water ga(u)ge (1-11), gas flow regulating valve (1-
15) control signal connection；The foam outlet of foam producer (1-17) passes through foam main pipe (1-18) and foam line (3)
It is connected；
The compressed-air foam bolt housing (5) includes that single foam gun compressed-air foam bolt housing (5-1) and double foam gun compressions are empty
Gas foam bolt housing (5-2), the list foam gun compressed-air foam bolt housing (5-1) be included in cabinet (5-11) be equipped with it is a set of
Compressed-air foam bolt, a set of compressed-air foam bolt include moveable hinge connector (5-12), foam branch pipe (5-13), controlling alarm
Unit (5-14), side arm (5-15), partitioning control valve (5-16), fire hose reel (5-17), fire hose (5-18), foam
Rifle (5-19), the fire hose reel (5-17) are fixed on cabinet (5- by side arm (5-15) and moveable hinge connector (5-12)
11) in, fire hose reel (5-17) is equipped with fire hose (5-18), and one end of fire hose (5-18) connects foam gun
The other end of (5-19), fire hose (5-18) pass through partitioning control valve (5-16) and the foam branch being fixed on cabinet (5-11)
The outlet (5-13) connection is managed, foam branch pipe (5-13) entrance stretches out cabinet (5-11) and is connected to outside with the foam line of system (3), institute
It states alarm control unit (5-14) to be fixed in cabinet (5-11), the first signal output end of the alarm control unit (5-14)
It is connect with partitioning control valve (5-16), second signal output end is connect by signal control line (4) with system controller (2)；Institute
It states double foam gun compressed-air foam bolt housings (5-2) and is included in cabinet (5-11) and two sets of single bubble foam compressed-air foams are installed
Bolt.
2. a kind of tunnel rescue station compressed-air foam bolt housing system according to claim 1, it is characterised in that: Shuo Gesuo
It states compressed-air foam bolt housing (5) and is alternately laid on tunnel (6) wall of rescue station two sides according to identical spacing, is i.e. the tunnel of side
Several compressed-air foam bolt housings (5) are laid according to identical spacing on road (6) wall, in every two compressed-air foam bolt housing (5)
Between middle position corresponding to the other side tunnel (6) wall on lay a compressed-air foam bolt housing (5), the same side
The distance between two adjacent compressed-air foam bolt housings (5) are 30m~60m, and each compressed-air foam bolt housing (5) is away from ground
0.5m~1.5m.
3. a kind of tunnel rescue station compressed-air foam bolt housing system according to claim 1, it is characterised in that: described to disappear
The length for the fire hose (5-18) that anti-hose reel (5-17) is equipped with is 10m~40m.
4. a kind of fire extinguishing side using the described in any item tunnel rescue station compressed-air foam bolt housing systems of claim 1-3
Method, it is characterised in that: steps are as follows,
A), under normal circumstances, system is in electriferous state, and air compressor (1-12) is in operating status, to guarantee to buffer gas
The gas of certain pressure is maintained in tank (1-13) and gas piping, fire pump (1-4) is in standby with foam pump (1-8)
State；B), when fire occurs for tunnel (6) rescue station, Field Force opens one or several compressed-air foam bolt housings nearby
(5), the start button of alarm control unit (5-14) is pressed, alarm signal is sent automatically to system control by signal control line
Device (2), system controller (2) start compressed-air foam generation device (1), open point in compressed-air foam bolt housing (5)
Area's control valve (5-16)；
C), the signal number that system controller (2) is fed back according to each compressed-air foam bolt housing (5) alarm control unit (5-14)
It measures, total water current amount needed for adjust automatically water flow to the compressed-air foam bolt housing (5) having been turned on, while foam solution and gas
Flow mixes it according to preset foam solution mixing ratio and gas liquid ratio also according to water flow adjust automatically, forms pressure
Contracting air foam, and compressed-air foam bolt housing (5) are delivered to by fixed pipeline；
D), Field Force holds the foam gun (5-19) in compressed-air foam bolt housing (5) and is directed at train fire area jet pressure
Contracting air foam carries out targetedly fire extinguishing and saves；
E), after fire extinguishing, the stopping that Field Force presses compressed-air foam bolt housing (5) alarm control unit (5-14) is pressed
Button is closed partitioning control valve (5-16), and system controller (2) is according to each compressed-air foam bolt housing (5) alarm control unit (5-
14) number of signals fed back adjusts water flow, foam solution mixing ratio and gas liquid ratio, when all compressed-air foam bolts in time
When case (5) alarm control unit (5-14) all stops, system controller (2) is automatically stopped compressed-air foam generation device (1),
And all partitioning control valves (5-16) is closed, system restores original state under normal circumstances.
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| CN201610202512.5A CN105833447B (en) | 2016-04-05 | 2016-04-05 | A kind of tunnel rescue station compressed-air foam bolt housing system and extinguishing method |
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|---|---|---|---|
| CN201610202512.5A CN105833447B (en) | 2016-04-05 | 2016-04-05 | A kind of tunnel rescue station compressed-air foam bolt housing system and extinguishing method |
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| CN105833447A CN105833447A (en) | 2016-08-10 |
| CN105833447B true CN105833447B (en) | 2019-01-22 |
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| CN108295406B (en) * | 2018-05-02 | 2020-04-10 | 广东瑞霖特种设备制造有限公司 | Compressed air foam fire extinguishing device and fire extinguishing system |
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- 2016-04-05 CN CN201610202512.5A patent/CN105833447B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201284659Y (en) * | 2008-10-19 | 2009-08-05 | 陈方明 | Novel tunnel foam hydrant case |
| CN102688570A (en) * | 2011-03-24 | 2012-09-26 | 上海市政工程设计研究总院（集团）有限公司 | Fire safety safeguards system for tunnel and extinguishing method thereof |
| CN202207411U (en) * | 2011-07-29 | 2012-05-02 | 长沙中联消防机械有限公司 | Compressed air foam extinguishing system |
| CN202892721U (en) * | 2012-11-08 | 2013-04-24 | 公安部天津消防研究所 | Compressed air foam spraying fire-extinguishing device |
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| CN105833447A (en) | 2016-08-10 |
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