CN110101991A - A kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine - Google Patents
A kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine Download PDFInfo
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- CN110101991A CN110101991A CN201910265326.XA CN201910265326A CN110101991A CN 110101991 A CN110101991 A CN 110101991A CN 201910265326 A CN201910265326 A CN 201910265326A CN 110101991 A CN110101991 A CN 110101991A
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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
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
Abstract
The invention belongs to coal mine operation fields, disclose a kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine, including water tank, air accumulator and several spray heads in enging cabin room, air compressor on vehicle anti-explosion diesel engine connects the air inlet of air accumulator after check valve, the gas outlet of air accumulator is respectively connected to the air inlet of manual fire valve and self-extinguishing valve in parallel, the gas outlet of manual fire valve and self-extinguishing valve is connected with three circuits, the first via is connected to the oil-break cylinder of engine and cylinder of dying, second tunnel connects pressurizing valve, pressurizing valve connects water tank, third road connects Pneumatic reversal valve, Pneumatic reversal valve is set on the link circuit between water tank and spray head.The system firing-fighting medium is water, by air accumulator included on explosion-proof vehicle as pressurized gas source, while not having electrical component, significant to the safety for improving vehicle operation convenient for being widely popularized in underground coal mine vehicle.
Description
Technical field
The invention belongs to coal mine operation fields, and in particular to a kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine.
Background technique
Underground coal mine anti-explosion diesel engine drives in vehicle operation, and the surface temperature of engine is high, usually maintenance
In the process, surface inevitably stockpiles greasy dirt (including diesel oil, machine oil, hydraulic oil etc.), in addition on tunnel long-play, surface
A large amount of coal dust can be accumulated, if water shortage is run engine once in a while, surface temperature be will rise rapidly, and body can even be burnt
Red, eventually ignite the combustibles such as greasy dirt, dust, generates open fire, since ventilation quantity is big in underworkings, narrow space, if
Not in time, the intensity of a fire can expand rapidly, and be difficult to put out, while also containing gas in underground air, not in time may put out for fire extinguishing
Cause gas explosion, causes more serious loss.Safety regulations in coal mine regulation underground vehicle need to install 8KG fire extinguisher, device for underground man car
Member is not in place to the maintenance of fire extinguisher to cause part fire extinguisher to fail, while needing people when catching fire using the fire extinguisher
Work alignment point of origin is put out a fire, and in emergency circumstances requires height to the psychological quality of fire extinguishing personnel, is not easy accurately and effectively rise
Fire point is put out.Downhole anti-explosion vehicle in part is equipped with explosion-proof automatically controlled automatic dry chemical/froth fire extinguishing system at present, and system composition is multiple
Miscellaneous, easy malfunction, higher cost, extinguishing ability are limited, once starting, has disposably sprayed, process can not terminate；It is needed after having sprayed
Again filling, complex, maintenance cost is higher.
And at present involved in carry fire extinguishing system, belong to road vehicles configuration, carried out by the way of automatically controlled early warning and
It executes, since underground coal mine has stringent requirement of explosion proof, existing patent content is not directly applicable Underground Mine vehicle
?.Also there is part to be related to preventing and extinguishing fire of coal mine system in existing literature and related patents, but be also only limited to answer in coal mine down-hole tunnel
With, it is impossible to be used in it is vehicle-mounted.
Summary of the invention
The present invention installs effective fire extinguishing system to solve the problems, such as that underground coal mine anti-explosion diesel engine driving vehicle lacks,
And then provide a kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine.
The present invention adopts the following technical scheme:
A kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine, including water tank, air accumulator and it is several be set to enging cabin room in
Spray head, the air compressor on vehicle anti-explosion diesel engine connect the air inlet of air accumulator, the gas outlet of air accumulator after check valve
It is respectively connected to the air inlet of manual fire valve and self-extinguishing valve in parallel, the gas outlet of manual fire valve and self-extinguishing valve
Three circuits are connected with, the first via is connected to the oil-break cylinder of engine and cylinder of dying, and the second tunnel connects pressurizing valve, pressurizing valve connection
Water tank, third road connect Pneumatic reversal valve, and Pneumatic reversal valve is set on the link circuit between water tank and spray head.
(booster and air compressor) is respectively equipped with hygrosensor, temperature at two high temperature dots in enging cabin room
Detector is connect with the control mouth of self-extinguishing valve.
The pressurizing valve includes check valve for preventing aqueous reflux in water tank into gas piping, for real-time display
The pressure gauge of pressure, for limiting in water tank the safety valve of maximum gas pressure and for reducing flowing to water storage in air accumulator
The pressure reducing valve of moulding pressure in case, check valve, pressure gauge, safety valve and pressure reducing valve are sequentially connected.
The gas storage pot bottom is equipped with discharging valve.
The structure type of the manual fire valve is band positioning manually, and after manual operation, the valve can still be positioned after loosing one's grip
It, can be by the way that the valve be resetted manually after the intensity of a fire is extinguished in open state.
The structure type of self-extinguishing valve is pneumatic band positioning, and after commutation, which will be located into open state, fire extinguishing
Afterwards, which still needs to hand-reset.
The control process of the system is as follows:
1) high pressure gas in air accumulator provides high pressure gas, while vehicle anti-explosion diesel in vehicle launch Shi Weiqi starter motor
Subsidiary air compressor fills high pressure gas into air accumulator through check valve on machine, until gas pressure reaches setting value；
2) when the temperature of hygrosensor position goes beyond the limit of temperature, the temperature-sensitive discharge element in hygrosensor is quick-fried
It splits, the high-pressure gasbag inside hygrosensor is opened, the pressure rise in pipeline, to push self-extinguishing valve events；Or
In the case that person has open fire generation when the region that hygrosensor is not detected by, driver presses manual fire valve；
3) after any one valve events in manual fire valve and self-extinguishing valve, the high pressure gas in air accumulator is run through
Fire valve enters oil-break cylinder and cylinder of dying, the diesel fuel supply of oil-break cylinder cutting engine, the air inlet of cylinder of dying cutting engine, and two
Person acts on simultaneously, to force engine misses, prevents the diffusion of the intensity of a fire；Meanwhile the pressurized valve of high-pressure gas flow, high pressure gas
Enter sealed water storage tank after depressurizing, to realize the pressurization of water, the high pressure gas in air accumulator reaches Pneumatic reversal valve simultaneously,
After valve commutation, the water in water tank flows through the valve by being arranged in the spray head of engine compartment, is sprayed from trend high temperature dot
Leaching, to play extinguishing effect.
Since anti-explosion diesel engine uses gas activation system, vehicle is equipped with air accumulator, subsidiary air on diesel engine
Compressor can be inflated to air accumulator, therefore have stable gas source.Other mine vehicles need to individually be equipped with air pressure if you need to use
Contracting machine and air accumulator.
The invention has the following beneficial effects:
1) the self-spray water extinguisher uses water as cooling firing-fighting medium, is added by the air accumulator that explosion-proof vehicle carries
Pressure realizes spray, and maintenance is at low cost, it is easy to accomplish；
2) manual/auto control fire extinguishing may be implemented in the self-spray water extinguisher, and the two is independent mutually to make using being connected in parallel
With；
3) pressure of the self-spray water extinguisher can bear be adjusted within the scope of maximum pressure in water tank, to control water
The size of amount；
4) device has advantage easy to operate, at low cost, and existing high pressure gas on vehicle is made full use of to carry out pressurization in fact
Existing self-spray above-water method, has operability.It is provided simultaneously with self-extinguishing and manual fire-extinguishing function concurrently, the requirement to operator is low,
It is easy to promote and utilize；
5) device can be applied on whole mine explosion-proof diesel locomotives, increase the device can timely eliminate open fire or
To at high temperature carry out spray cooling, reduce the intensity of a fire expand a possibility that, so as to avoid large area kindling cause personnel, set
Standby loss, can produce significant economic benefit.
Detailed description of the invention
Fig. 1 is systematic schematic diagram of the invention；
Fig. 2 is the theory of constitution figure of pressurizing valve；
In figure: 1, water tank；2, Draw off valve；3, pressurizing valve；4, oil-break cylinder；5, it dies cylinder；6, Pneumatic reversal valve；7, certainly
Dynamic fire valve；8, manual fire valve；9, air accumulator；10, safety valve；11, discharging valve；12, hygrosensor；13, it sprays
Head；14, air accumulator check valve；15, air compressor；16, check valve；17, pressure gauge；18, safety valve；19, pressure reducing valve.
Specific embodiment
In conjunction with attached drawing, specific embodiments of the present invention will be further explained:
The vehicle-mounted self-spray water fire-extinguishing system of coal mine as shown in Figure 1, including water tank 1, air accumulator 9 and it is several be set to engine
The indoor spray head 13 in cabin, the air compressor 15 on vehicle anti-explosion diesel engine connect the air inlet of air accumulator 9 after check valve 14,
The gas outlet of air accumulator 9 is respectively connected to the air inlet of manual fire valve 8 and self-extinguishing valve 7 in parallel, manual 8 He of fire valve
The gas outlet of self-extinguishing valve 7 is connected with three circuits, and the first via is connected to the oil-break cylinder 4 of engine and cylinder 5 of dying, the second tunnel
Pressurizing valve 3 is connected, pressurizing valve 3 connects water tank 1, and third road connects Pneumatic reversal valve 6, and Pneumatic reversal valve 6 is set to 1 He of water tank
On link circuit between spray head 13.
The feature of the system is as follows:
(1) anti-explosion diesel engine vehicle generallys use gas activation system, and the high pressure gas in air accumulator 9 is opened in vehicle launch Shi Weiqi
Dynamic motor provides high pressure gas, while air compressor 15 subsidiary on anti-explosion diesel engine is filled through check valve 14 into air accumulator 9
High pressure gas, until gas pressure reaches setting value.It is connected with safety valve 10 on air accumulator 9, limits the maximum pressure of air accumulator,
Ensure using safe.The bottom of air accumulator 9 is also equipped with waterproof valve 11, due to subsurface environment humidity, after running a period of time, gas storage
Water can be put aside in tank 9, will affect the dischargeable capacity of gas tank if discharged water not in time.
(2) according to operation test data, at two high temperature dots of engine compartment, there are two hygrosensors for arrangement
12.The hygrosensor only reacts to heat, the heat if the temperature of its position goes beyond the limit of temperature, in detector
Quick discharge element bursts, and the high-pressure gasbag inside detector is opened, the pressure rise in pipeline, to push self-extinguishing valve
7 movements.
(3) it in the case that manual fire valve 8 has open fire generation for the region that hygrosensor 12 is not detected by, drives
Personnel press manual fire valve 8, may be implemented to put out a fire.
(4) by the way of being connected in parallel, the two movement in this way is independent of each other for manual fire valve 8 and self-extinguishing valve 7, appoints
It anticipates after a valve opening, can realize fire extinguishing.
(5) outlet of air accumulator 9 is respectively connected to the air inlet of manual fire valve 8 and self-extinguishing valve 7.Fire extinguishing manually
The gas outlet of valve 8 and self-extinguishing valve 7 is divided into 3 tunnels and subsequent piping connection.1st tunnel is connected to 4 He of oil-break cylinder of engine
It dies cylinder 5, oil-break cylinder 4 can cut off the diesel fuel supply of engine, and cylinder 5 of dying can then cut off the air inlet of engine, and the two is same
Shi Zuoyong can make engine quickly stop working, and can effectively and timely prevent the diffusion of the intensity of a fire.2nd tunnel is connected to pressurizing valve 3, high pressure
After gas is depressurized by pressurizing valve, act on to closed water tank 1, to generate hydraulic pressure.3rd tunnel is connected to Pneumatic reversal valve 6,
It puts out a fire after valve events, the pressure of generation forces Pneumatic reversal valve 6 to act, and makes the high pressure water flow in water tank through the valve, to arrangement
It supplies water in the spray head 13 of engine compartment, to realize fire extinguishing.
(6) structure type of manual fire valve 8 is band positioning manually, and after manual operation, the valve can also be positioned after loosing one's grip
The valve can be resetted manually after the intensity of a fire is extinguished in open state.
(7) structure type of self-extinguishing valve 7 is pneumatic band positioning, and the high-pressure gasbag explosion in hygrosensor 12 generates
After pressure, self-extinguishing valve 7 can be made to commutate, after commutation, which will be located into open state, and after fire extinguishing, which still needs to hand
It is dynamic to reset.
(8) theory of constitution of pressurizing valve 3 is as shown in Figure 2.By 4 components such as check valve, pressure gauge, pressure reducing valve, safety valve
Composition.Pressure reducing valve 19 is for reducing the moulding pressure flowed in water tank 1 in air accumulator 9.Water tank 1 belongs to low pressure seal-off pressure
Container, the maximum pressure that can be born is lower, generally below 3bar, and the maximum gas pressure in air accumulator 9 is up to 8bar, because
This need to depressurize the pressure in air accumulator to ensure safety in utilization.The pressure of pressure reducing valve 19 can manually adjust, under
The pressure gauge 17 of trip can show decompressed pressure in real time, while also can achieve the purpose for adjusting hydraulic pressure.To ensure safety, pacify
Full valve 18 is used to limit the maximum gas pressure in water tank 1, will not be due to gas pressure even if guaranteeing that pressure reducing valve 19 damages
It is excessively high and cause water tank 1 deform.Check valve 16 is used to prevent the water in water tank 1, flows backward in gas piping, influences correlation
The service life of pneumatic member.
(9) workflow of vehicle-mounted self-spray water fire-extinguishing system is as follows: having in manual fire valve 8 and self-extinguishing valve 7 any
One acts, and the high pressure gas in air accumulator 9 runs through fire valve, into oil-break cylinder 4 and cylinder 5 of dying, engine is forced to put out
Fire simultaneously flows through pressurizing valve, and sealed water storage tank 1 is entered after depressurizing, thus realize the pressurization of water, the high pressure gas in air accumulator 9
Body reaches Pneumatic reversal valve 6 simultaneously, and after valve commutation, the water in water tank 1 flows through the valve by being arranged in engine compartment
Spray head is sprayed from trend high temperature dot, to play extinguishing effect.
Low cost vehicle-mounted formula self-spray water fire-extinguishing system of the present invention, while fire extinguishing system can also be manually booted, it puts out a fire
Medium is water, by air accumulator included on explosion-proof vehicle as pressurized gas source, by the temperature sensing for being arranged in engine compartment
Device detects whether that there is high temperature in part, if temperature exceeding standard, hygrosensor movement triggers relevant control valve events, finally will be through
The water spray being overpressurized plays the effect of cooling fire extinguishing to high temperature dot.The device have it is easy to operate, it is easy to maintain, go out
Fiery medium advantage at low cost, while there is no electrical component, convenient for being widely popularized in underground coal mine vehicle, transported to vehicle is improved
Capable safety is significant.
Claims (7)
1. a kind of vehicle-mounted self-spray water fire-extinguishing system of coal mine, which is characterized in that including water tank (1), air accumulator (9) and several
Spray head (13) in enging cabin room, the air compressor (15) on vehicle anti-explosion diesel engine connect after check valve (14)
The air inlet of air accumulator (9), the gas outlet of air accumulator (9) are respectively connected to manual fire valve (8) and self-extinguishing valve in parallel
(7) gas outlet of air inlet, manual fire valve (8) and self-extinguishing valve (7) is connected with three circuits, and the first via is connected to hair
The oil-break cylinder (4) and cylinder of dying (5) of motivation, the second tunnel connect pressurizing valve (3), and pressurizing valve (3) connects water tank (1), third road
It connects Pneumatic reversal valve (6), Pneumatic reversal valve (6) is set on the link circuit between water tank (1) and spray head (13).
2. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 1, which is characterized in that the increasing in enging cabin room
It is respectively equipped with hygrosensor (12) at two high temperature dots of depressor and air compressor, hygrosensor (12) and self-extinguishing valve
(7) control mouth connects.
3. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 2, which is characterized in that pressurizing valve (3) packet
Include check valve (16) for preventing aqueous reflux in water tank (1) into gas piping, for the pressure gauge of real-time display pressure
(17), for limiting the safety valve (18) of maximum gas pressure in water tank (1) and for reducing flow direction storage in air accumulator (9)
The pressure reducing valve (19) of moulding pressure in water tank (1), check valve (16), pressure gauge (17), safety valve (18) and pressure reducing valve (19)
It is sequentially connected.
4. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 3, which is characterized in that air accumulator (9) bottom
Portion is equipped with discharging valve (11).
5. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 4, which is characterized in that the manual fire valve
(8) structure type is band positioning manually, and after manual operation, the valve still can be positioned at open state after loosing one's grip, when the intensity of a fire is put out
It, can be by the way that the valve be resetted manually after going out.
6. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 5, which is characterized in that self-extinguishing valve (7)
Structure type is pneumatic band positioning, and after commutation, which will be located into open state, and after fire extinguishing, which still needs to hand-reset.
7. the vehicle-mounted self-spray water fire-extinguishing system of coal mine according to claim 6, which is characterized in that the control process of the system
It is as follows:
1) high pressure gas in air accumulator (9) provides high pressure gas in vehicle launch Shi Weiqi starter motor, while vehicle is explosion-proof
Subsidiary air compressor (15) fills high pressure gas in air accumulator (9) through check valve (14) on diesel engine, until gas pressure
Reach setting value；
2) the temperature-sensitive discharge when the temperature of hygrosensor (12) position goes beyond the limit of temperature, in hygrosensor (12)
Element explosion, the internal high-pressure gasbag of hygrosensor (12) are opened, the pressure rise in pipeline, to push self-extinguishing
Valve (7) movement；Or in the case that there is open fire generation in the region that hygrosensor (12) are not detected by, driver is pressed
Manual fire valve (8)；
3) high pressure gas after any one valve events in manual fire valve (8) and self-extinguishing valve (7), in air accumulator (9)
Body runs through fire valve and enters oil-break cylinder (4) and cylinder of dying (5), and oil-break cylinder (4) cuts off the diesel fuel supply of engine, cylinder of dying
(5) air inlet of engine is cut off, the two acts on simultaneously, to force engine misses, prevents the diffusion of the intensity of a fire；Meanwhile high pressure
Gas flows through pressurizing valve (3), and high pressure gas enters sealed water storage tank (1) after depressurizing, to realize the pressurization of water, air accumulator
(9) high pressure gas in reaches Pneumatic reversal valve (6) simultaneously, and after valve commutation, the water in water tank (1) flows through the valve and passes through cloth
The spray head (13) in engine compartment is set, is sprayed from trend high temperature dot, to play extinguishing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910265326.XA CN110101991B (en) | 2019-04-03 | 2019-04-03 | Vehicle-mounted self-spraying fire extinguishing system for coal mine |
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|---|---|---|---|
| CN201910265326.XA CN110101991B (en) | 2019-04-03 | 2019-04-03 | Vehicle-mounted self-spraying fire extinguishing system for coal mine |
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| CN110101991A true CN110101991A (en) | 2019-08-09 |
| CN110101991B CN110101991B (en) | 2020-12-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874012A (en) * | 2020-07-07 | 2020-11-03 | 中车唐山机车车辆有限公司 | Internal combustion power assembly and railway vehicle |
| CN113752986A (en) * | 2021-10-15 | 2021-12-07 | 中国煤炭科工集团太原研究院有限公司 | Waterway control system of cab of mining explosion-proof rubber-tyred vehicle |
| CN115845289A (en) * | 2022-12-12 | 2023-03-28 | 中国煤炭科工集团太原研究院有限公司 | Mining vehicular dual passive automatic fire extinguishing system |
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