CN107158606A - A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system - Google Patents
A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system Download PDFInfo
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- CN107158606A CN107158606A CN201710591801.3A CN201710591801A CN107158606A CN 107158606 A CN107158606 A CN 107158606A CN 201710591801 A CN201710591801 A CN 201710591801A CN 107158606 A CN107158606 A CN 107158606A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 294
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003595 mist Substances 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims description 32
- 239000008400 supply water Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000003995 emulsifying agent Substances 0.000 claims description 10
- 239000003755 preservative agent Substances 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
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- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000004945 emulsification Methods 0.000 abstract description 3
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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
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0035—Aqueous solutions
- A62D1/0042—"Wet" water, i.e. containing surfactant
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0064—Gels; Film-forming compositions
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system, multiple fire extinguishing regions will be divided into inside diesel locomotive, each region is respectively installed by some fine mist spray heads, and the fire water of 1.2~1.8MPa pressure limits is provided by a set of water supplying unit, water supplying unit is powered by diesel locomotive Vehicular accumulator cell；The water mists additive of moisture film and emulsion layer is formed in fire water added with a certain amount of energy liquid fuel within surface.The present invention presses Water Mist Fire Extinguishing Technique in using, control water droplet particle diameter is concentrated mainly in 150 μm of 300 μ m, improves the momentum and penetrating force of droplet, it is ensured that fire extinguishing effectiveness；Directly using the storage battery power supply of diesel locomotive bottom, do not influenceed by power-off inside diesel locomotive；Using the water mists additive with rapid Cover and efficient emulsification, pasta can be both cooled down, suppress EVAP, and water membrane and emulsion layer can be quickly formed on pasta, make fuel oil and air exclusion and put out a fire, and prevent resume combustion.
Description
Technical field
Railway locomotive fire-fighting technique field of the present invention, more particularly to a kind of diesel locomotive medium lift pump group formula water mists go out automatically
Ignition method and system.
Background technology
Railway locomotive is to ensure the critical facility that railway traffic is normally run, while there is very high fire risk, wherein
Especially protruded the most with the fire risk of diesel locomotive.Because diesel locomotive oil mass and oil reserve are big, and internal temperature during operation
Height, blast pipe surface temperature is even as high as 500~800 DEG C, substantially exceeds the burning-point of diesel oil, once because aging, failure etc. cause
High-pressure oil pipe and its joint leakage, diesel oil, which runs into high temperature, will trigger fire, and cannot such as put out a fire to save life and property control in time, then be likely to result in
Fire disaster accident, especially when in locomotive operation to railway tunnel, then can cause fire accidents accident.It can not only damage
Railway locomotive, causes casualties, and needs long period closure of a tunnel, interrupts railway transportation so that some areas goods and materials
Flowing is not smooth, in turn results in great social influence.Therefore, the timely and effective of diesel locomotive initial fire disaster puts out a fire to save life and property particularly significant.
Effective automatic fire extinguishing system is configured at the high-risk and occurred frequently position of diesel locomotive fire, is to put out locomotive initial fire disaster
Important measures, while be also lifted railway traffic fire prevention and control level key.But, at present both at home and abroad on diesel locomotive
The research of automatic fire extinguishing system is few, along with diesel locomotive inner space is narrow and small, and inside has certain ventilation during operation, for a long time
In vibrational state, the automatic fire extinguishing system such as traditional gas, water base, heavy pressure fine spray is in space-consuming, fire extinguishing effectiveness, antivibration
There are some problems in terms of property, security, it is impossible to meet the actual fire suppression applications demand of diesel locomotive.Specifically：
(1) diesel locomotive inner space is narrow and small, and the placement space that can be provided for fire extinguishing system is limited.The water base fire extinguishing of tradition
System is because fire extinguishing effectiveness is low, water consumption is big, it is impossible to meet demand；High-pressure fine water mist fire-extinguishing system volume is big, and to water quality requirement
It is high, it usually needs optional equipment volume larger normal pressure or high-pressure water tank, therefore can not also meet demand；
(2) when diesel locomotive is run there is certain ventilation in inside, it is difficult to meet total flooding fire suppression applications condition, therefore tradition
Gas total flooding extinguishing system can not be used；The water mists particle diameter of high-pressure fine water mist fire-extinguishing system is small, momentum and penetrating force are not enough,
The quick target requirement for putting out locomotive fire difficult to realize；
(3) occur that engine can be closed down during fire first inside diesel locomotive, cut-out power supply, therefore the thin water of traditional pump group formula
The fire extinguishing systems such as mist can not be used because lacking power supply；
(4) internal vibration is big when diesel locomotive is run, and the high-pressure extinguishing systems such as traditional gas, bottle group type water mists are in antivibration
Property, there are some problems and hidden danger in terms of safety in utilization.
The content of the invention
In view of this, the present invention is directed to propose a kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and being
System, can carry out self-extinguishing protection for diesel locomotive initial fire disaster, quickly put out combustion liquid pool fire, trickling fire, spraying fire etc.
Typical locomotive fire, and resume combustion is prevented, solve diesel locomotive fire auto-putting-out technical barrier.
The technical proposal of the invention is realized in this way：
A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method, including：
Multiple fire extinguishing regions will be divided into inside diesel locomotive, some water mists sprays are respectively installed in each fire extinguishing region
Head, and by the fire water of a set of water supplying unit offer 1.2~1.8MPa pressure limits, the water supplying unit is vehicle-mounted by diesel locomotive
Storage battery power supply；
The water mists for forming moisture film and emulsion layer added with a certain amount of energy liquid fuel within surface in the fire water add
Plus agent；
Detect the fire extinguishing region caught fire automatically by fire detector, and it is corresponding with startup by fire-alarm automatic alarm
Fire extinguishing region water supplying unit, the fine mist spray head through corresponding fire extinguishing region sprays to form water mists.
Further, the water mists additive is by 3-5% film forming agents, 2-10% emulsifying agents, 1-5% preservatives, 80-94%
Water is formulated.
Further, the film forming agent uses fluorine surfactant, and the emulsifying agent uses hc-surfactant, described anti-
Rotten agent uses formaldehyde.
Further, the volume revolution speed of miniature middle pressure water supplying unit is accurately controlled by PLC, accurate control is supplied water
Pressure, strict control water droplet particle diameter is concentrated in 150 μm of -300 μ m；
According to fire condition, by one or more sets water supplying units of fire alarm control unit automatic start；Or by driver
Member is manually booted by terminal display controller；
Meanwhile, human pilot energy basis is distributed in the camera Real Time Observation fire development situation in diesel locomotive, in time
Manually boot or close water supplying unit.
Further, the water supplying unit is middle pressure water supplying unit, and medium pressure water supplying unit includes direct current generator, shaft coupling
Device, displacement pump, valve plate；
The direct current generator is coupled by shaft coupling with displacement pump；
The valve plate offers water inlet flow channel and outlet passage, the water inlet of displacement pump and the water inlet flow channel of valve plate (1-4)
Connection, the delivery port of displacement pump is connected with the outlet passage of valve plate；
Be additionally provided between water inlet flow channel and outlet passage one it is flat when its water inlet and delivery port between for normally off
Safety valve, the setting value of the safety valve 1-17 is 1.6-1.8Mpa；
The channel middle of the water inlet flow channel is connected with the delivery port of safety valve；
The channel middle of the outlet passage is connected with the water inlet of safety valve；
Also include the pressure sensor of a sensing outlet passage internal pressure power, when pressure of supply water exceedes safety in outlet passage
During valve setting value, connected between the water inlet and delivery port of safety valve.
Present invention also offers a kind of diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system, if including fluid reservoir,
Pressure water supplying unit, PLC, fire alarm control unit, fire detector, camera, terminal display controller, storage in dry
Battery；
Multiple fire extinguishing regions are divided into inside diesel locomotive, water supplying unit is pressed in each fire extinguishing region correspondence one,
In each pressure water supplying unit correspondence be installed on corresponding fire extinguishing region several in press fine mist spray head；
The fluid reservoir Inner lays in fire water, and each middle pressure water supplying unit, each middle pressure water supplying unit are connected through water supply line
Fine mist spray head is pressed to connect with several affiliated by water supply line, medium pressure water supplying unit is the affiliated thin water of middle pressure
Fog spray head provides the fire water of 1.2~1.8MPa pressure limits, and the fire water is applied to conflagration area with water mists form；
The PLC is electrically connected battery, middle pressure water supplying unit, and by signal control line respectively with fire
Alarm controller, the electrical connection of middle pressure water supplying unit；
Fire alarm control unit is electric with fire detector, camera, terminal display controller respectively by signal control line
Connection；
Medium pressure water supplying unit is by the vehicle-mounted storage battery power supply of diesel locomotive.
Further, medium pressure water supplying unit includes direct current generator, shaft coupling, displacement pump, valve plate；
The direct current generator is coupled by shaft coupling with displacement pump；
The valve plate offers water inlet flow channel and outlet passage, and the water inlet of displacement pump is connected with the water inlet flow channel of valve plate,
The delivery port of displacement pump is connected with the outlet passage of valve plate；
Be additionally provided between water inlet flow channel and outlet passage one it is flat when its water inlet and delivery port between for normally off
Safety valve, safety valve 1-17 setting value is 1.6-1.8Mpa；
The channel middle of the water inlet flow channel is connected with the delivery port of safety valve；
The channel middle of the outlet passage is connected with the water inlet of safety valve；
Also include the pressure sensor of a sensing outlet passage internal pressure power, when pressure of supply water exceedes safety in outlet passage
During valve setting value, connected between the water inlet and delivery port of safety valve.
Further, the water inlet flow channel that the water inlet of the displacement pump passes through pump water inlet joint, valve plate water supply connector and valve plate
Water inlet interface connection, the displacement pump delivery port is by pumping out the outlet passage of water swivel, valve plate water out adapter and valve plate
Water outlet mouthpiece is connected, and the end of the valve plate water supply connector is provided with water supply connector screw plug, and the end of the valve plate water out adapter is set
There is water out adapter screw plug；
The pressure sensor output signal access controller, when pressure of supply water exceedes setting value, PLC is to straight
Stream motor sends reduce-speed sign, the rotating speed of displacement pump is reduced, to reduce pressure of supply water, until dropping within setting；
The direct current generator uses brushless electric machine, and voltage selects a kind of voltages of the 24V into 48V scopes；
The discharge and recharge of the opening and closing of direct current generator and battery described in the PLC real-time monitoring
The displacement pump uses one kind in membrane pump, plunger pump, gear pump and vane pump.
Further, the total water inlet of medium pressure water supplying unit is connected with fluid reservoir, and medium pressure water supplying unit always goes out
The mouth of a river is connected with the input port of water main, and the water main delivery outlet is connected with water supply branch pipe, is pressed on the water supply branch pipe
According to a determining deviation, some middle pressure fine mist spray heads are set；
Fire detector uses smoke detector and/or flame detector；
The terminal display controller is arranged on drivers' cab, or the convenient position manipulated of locomotive driving personnel；
The battery uses diesel locomotive Vehicular accumulator cell；Or be separately configured, battery usually by locomotive engine and
Electrically-charging equipment supplements electricity.
Further, the fire water contains 2-10% water mists additive；
The water mists additive is prepared by 3-5% film forming agents, 2-10% emulsifying agents, 1-5% preservatives, 80-94% water
Form；
The film forming agent uses fluorine surfactant, and the emulsifying agent uses hc-surfactant, and the preservative is adopted
Use formaldehyde.
Relative to prior art, the present invention has the advantage that：
(1) present invention presses Water Mist Fire Extinguishing Technique in using, and control water droplet particle diameter is concentrated mainly on 150 μm -300
In μ m, improve the momentum and penetrating force of droplet, it is ensured that fire extinguishing effectiveness, solve the thin water of conventional high-tension Water Mist Fire Extinguishing Technique
Droplet footpath is small, momentum and penetrating force not enough, by ventilation and fire plume in locomotive influenceed greatly, extinguishing effect difference the problem of；
(2) the middle pressure water supplying unit of medium lift pump group formula fine water mist fire-extinguishing system of the present invention uses direct current generator and displacement pump collection
Designed into changing, small volume, light weight, and can directly utilize the storage battery power supply of diesel locomotive bottom, not by inside diesel locomotive
The influence of power-off, solving common pump group formula fine water mist fire-extinguishing system can not be because big using AC-powered, space-consuming
The problem that diesel locomotive is used；
(3) present invention is using the water mists additive with rapid Cover and efficient emulsification so that water mists are not only
Pasta can be cooled down, suppresses EVAP, and water membrane and emulsion layer can be quickly formed on pasta, makes fuel oil and sky
Air bound is put out a fire absolutely, and prevents resume combustion, so as to be obviously improved blow-off velocity of the water mists for leakage combustion liquid pool fire, trickling fire
And fire extinguishing effectiveness, critical water amount for fire suppression is greatly reduced, fire extinguishing system volume is reduced, solves traditional Water Mist Fire Extinguishing Technique to B classes
The problem of fiery control blow-off velocity is slow, water consumption is big；
(4) press pump group formula fine water mist fire-extinguishing system of the invention has non-environmental-pollution, destroys small, applicable to protection object
The features such as electrical equipment of putting out a fire to save life and property is fiery, and the critical component such as pump group, pipe network and shower nozzle use in press design, can Long-term Vibration ring
Used in border, no potential safety hazard.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 is DC driven integrated pump front view；
Fig. 3 is middle pressure water supplying unit side view；
Fig. 4 is the A of valve plate in Fig. 3 to diagrammatic cross-section；
Fig. 5 is the B of valve plate in Fig. 4 to diagrammatic cross-section；
Caption：1st, middle pressure water supplying unit；1-1, direct current generator；1-2, shaft coupling；1-3, displacement pump；1-4, valve plate；1-5、
Pump water inlet joint；1-6, pump out water swivel；1-7, total water inlet；1-8, screw plug；1-9, total delivery port；1-10, pressure are passed
Sensor interface；1-11, bolt；1-12, valve plate water inlet interface；1-13, valve plate water outlet mouthpiece；1-14, water inlet flow channel；1-15, peace
Full valve passage；1-16, outlet passage；1-17, safety valve；1-18, circulation branch road；1-19, valve plate water supply connector；1-20, valve plate
Water out adapter；1-21, water supply connector screw plug；1-22, water out adapter screw plug；2nd, PLC；3rd, fire water；4th, fluid reservoir；5、
Water main；6th, water supply branch pipe；7th, fine mist spray head；8th, fire alarm control unit；9th, fire detector (smoke detector or fire
Flame detector or the two combination)；10th, camera；11st, terminal display controller (drivers' cab)；12nd, battery (diesel locomotive car
Carry or be separately configured)
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Illustrate the diesel locomotive medium lift pump group formula water mists self-extinguishing method that the present invention is provided first, this method includes：
Diesel locomotive is divided into multiple fire extinguishing regions, some fine mist spray heads are installed in each fire extinguishing region, and by a set of
Miniature middle pressure water supplying unit provides the fire water of 1.2~1.8MPa pressure limits, and miniature middle pressure water supplying unit is by diesel locomotive car
Carry storage battery power supply；
Detect fire area (some or certain the several fire extinguishing regions for occurring the condition of a fire) automatically by fire detector, and
By fire-alarm automatic alarm and the corresponding miniature middle pressure water supplying unit of startup, through corresponding middle pressure fine mist spray head injection
Form water mists；
The volume revolution speed of miniature middle pressure water supplying unit is accurately controlled by PLC, pressure of supply water is accurately controlled, sternly
Lattice control water droplet particle diameter is concentrated in 150 μm of -300 μ m；
A certain amount of water mists additive is added in fire water, the water mists additive is by 3-5% film forming agents, 2-10%
Emulsifying agent, 1-5% preservatives, 80-94% water are formulated, and film forming agent uses fluorine surfactant, and emulsifying agent uses hydrocarbon table
Face activating agent, preservative uses formaldehyde.Water mists additive is added in fire water, rapid Cover and efficiently emulsification can be played
Effect so that water mists can not only cool down pasta, suppresses EVAP, and water membrane can be quickly formed on pasta
And emulsion layer, make fuel oil and air exclusion and put out a fire, and resume combustion is prevented, so as to be obviously improved water mists for leakage fuel oil pond
Fire, the blow-off velocity of trickling fire and fire extinguishing effectiveness, greatly reduce critical water amount for fire suppression, reduce fire extinguishing system volume, solve tradition
The problem of Water Mist Fire Extinguishing Technique is slow to the fiery control blow-off velocity of B classes, water consumption is big.
According to fire condition, water supplying unit is pressed in one or more sets by the automatic start of fire alarm control unit 8, or by taking charge of
Human pilot in machine room is manually booted by terminal display controller, while human pilot can be according to being distributed in diesel locomotive
The interior Real Time Observation fire development situation of camera 10, water supplying unit is pressed in manually booting or close in time.
The diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system that the present invention is provided, as shown in figure 1, including several
Middle pressure water supplying unit 1, PLC 2, fluid reservoir 3 (internal memory of fluid reservoir 3 contains fire water 4), water supply line, middle pressure water mists
Shower nozzle 7, fire alarm control unit 8, fire detector 9, camera 10, terminal display controller 11, battery 12, each middle pressure
Water supplying unit 1 is connected with some middle pressure fine mist spray heads 7, and total water inlet 1-7 and the fluid reservoir 3 of medium pressure water supplying unit 1 connect
Logical, total delivery port 1-9 of medium pressure water supplying unit 1 is connected with the input port of water main 5, the delivery outlet of water main 5
Connected with water supply branch pipe 6, some middle pressure fine mist spray heads 7, the PLC controls are set according to a determining deviation on the water supply branch pipe
Device 2 by power line respectively with battery 12, it is middle pressure water supplying unit 1 be connected, by signal control line respectively with fire alarm control
Device 8 processed, middle pressure water supplying unit 1 are connected, fire alarm control unit 8 and signal control line respectively with fire detector 9, camera
10th, terminal display controller 11 is connected, and the battery 12 provides power for middle pressure water supplying unit 1.
Medium pressure water supplying unit 1 includes direct current generator 1-1, shaft coupling 1-2, displacement pump 1-3, valve plate 1-4, pump water inlet and connect
Head 1-5, water swivel 1-6 is pumped out, the direct current generator 1-1 is connected by shaft coupling 1-2 with displacement pump 1-3, the displacement pump 1-3
Water inlet is connected by pump water inlet joint 1-5, valve plate water supply connector 1-19 with valve plate water inlet interface 1-12, the displacement pump 1-12
Delivery port is connected by pumping out water swivel 1-6, valve plate water out adapter 1-20 with valve plate water outlet mouthpiece 1-13, and the valve plate water inlet connects
Head 1-19 end of the end provided with water supply connector screw plug 1-21, the valve plate water out adapter 1-20 is provided with water out adapter screw plug 1-
22, the valve plate 1-4 offer water inlet flow channel 1-14, safe valve passage 1-15, outlet passage 1-16, pressure sensor and connect respectively
Mouthful 1-10, between the water inlet flow channel 1-14 and safe valve passage 1-15, between safe valve passage 1-15 and outlet passage 1-16,
Circulation branch road 1-18, the safe valve passage 1-15 are offered between outlet passage 1-16 and pressure sensor interface 1-10 respectively
Inside is provided with safety valve 1-17, for being protected from pump superpressure, when pressure of supply water exceedes safety valve 1-17 setting values (1.6-
When 1.8MPa), safety valve 1-17 is automatically opened up, and is opened between the water inlet flow channel 1-14 and outlet passage 1-16 to be pressed of normal pressure
Fire water to be pressed in one reflux passage, i.e. outlet passage 1-16 is backflowed to water inlet flow channel 1-14 through the branch road 1-18 that circulates, and is entered
And decompression protection water supplying unit, the safe valve passage 1-15 ends are provided with screw plug 1-8, the pressure sensor interface 1-
10 are connected with pressure sensor (not shown), for measuring pressure of supply water, the access PLC controls of pressure sensor output signal in real time
Device 2 processed, when pressure of supply water exceedes setting value, PLC 2 sends reduce-speed sign, reduction displacement pump 1- to direct current generator 1-1
3 rotating speed, to reduce pressure of supply water, until dropping within setting, is additionally provided with multiple bolt 1-11 on the valve plate 1-4,
For lock sealing valve plate 1-4.
The direct current generator 1-1 uses brushless electric machine, and voltage is from 24V to any one of 48V scopes voltage.
The opening and closing and the charge and discharge of battery 12 of direct current generator 1-1 described in the real-time monitoring of PLC 2
Electricity.
The displacement pump 1-3 is using any one of membrane pump, plunger pump, gear pump and vane pump.
The fluid reservoir 3 is normal pressure tank, is made using corrosion-resistant high polymer material or stainless steel.
Water mists additive of the fire water 4 containing 2-10%, the fire water is applied to fire with water mists form
During region, not only with the fire extinguishing function such as cooling, asphyxia, blocking radiant heat, and one layer of water can be quickly formed on fuel oil surface
Film and emulsion layer, isolation air fire extinguishing, and prevent fuel oil resume combustion.The fire detector 9 uses smoke detector, or flame to visit
Survey device, or the two combination.
The terminal display controller 11 is arranged on drivers' cab, or the convenient place manipulated of locomotive driving personnel.
The battery 12 uses diesel locomotive Vehicular accumulator cell, or is separately configured, usually by locomotive engine and charging
Facility supplements electricity.
Operation principle：It is daily, it is atmospheric pressure state in fluid reservoir 3 and middle pressure water supplying unit 1, battery keeps electricity sufficient,
Supplemented at any time by locomotive engine and electrically-charging equipment.When fire occurs for diesel locomotive somewhere, the fire detector 9 of fire area
Response, fire alarm control unit 8 is alarmed, and passes through the middle pressure water supplying unit 1 of the startup correspondence fire extinguishing subregion of PLC 2, volume
Pump 1-3 starts to provide pressure fire water according to regulation rotating speed under direct current generator 1-1 driving, and pressure fire water is through water main
5th, water supply branch pipe 6 is delivered to each injection of fine mist spray head 7 and forms water mists, passes through the cooling of water mists, asphyxia, blocking radiant heat
And water membrane and emulsion layer, isolation air fire extinguishing, while preventing fuel oil resume combustion are quickly formed on fuel oil surface.If supplied water
Fire water pressure in pipeline exceedes setting value, then the safety valve 1-17 set in middle pressure water supplying unit 1 is automatically opened up, high pressure fire fighting
Water backflows to water inlet flow channel 1-14 from outlet passage 1-16 through the branch road 1-18 that circulates, so that decompression protection water supplying unit, same with this
When, pressure sensor inputs high-voltage signal to PLC 2, and PLC 2 sends deceleration letter to direct current generator 1-1 in time
Number, reduction displacement pump 1-3 rotating speed, to reduce pressure of supply water, until dropping within setting, conversely, PLC 2 is then
Signal for faster, increase displacement pump 1-3 rotating speed, to improve pressure of supply water, until reaching regulation model are sent to direct current generator 1-1
Enclose.
The diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system of the present invention can be automatic by fire alarm control unit 8
Start and water supplying unit is pressed in one or more sets, or the human pilot in drivers' cab is opened manually by terminal display controller
It is dynamic, while human pilot can be according to the Real Time Observation fire development situation of camera 10 being distributed in diesel locomotive, timely hand
It is dynamic to start or press water supplying unit in closing.
The automatic fire extinguishing system of the present invention can provide the pressure of supply water in the range of 1.2~1.8MPa, and actual pressure of supply water can
Accurately set and adjusted by middle pressure water supplying unit 1 and PLC 2 according to demand.Automatic fire extinguishing system of the present invention can
Put out A classes, B classes (liquid pool fire, trickling fire, spraying fire) and the E class fire inside diesel locomotive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. diesel locomotive medium lift pump group formula water mists self-extinguishing method, it is characterised in that
Multiple fire extinguishing regions will be divided into inside diesel locomotive, some fine mist spray heads are respectively installed in each fire extinguishing region,
And the fire water of 1.2~1.8MPa pressure limits is provided by a set of water supplying unit, the water supplying unit is stored by diesel locomotive is vehicle-mounted
Battery is powered；
The water mists additive of moisture film and emulsion layer is formed in the fire water added with a certain amount of energy liquid fuel within surface；
Detect the fire extinguishing region caught fire automatically by fire detector, and by fire-alarm automatic alarm and start corresponding go out
The water supplying unit in flame range domain, the fine mist spray head through corresponding fire extinguishing region sprays to form water mists.
2. diesel locomotive medium lift pump group formula water mists self-extinguishing method according to claim 1, it is characterised in that：
The water mists additive is formulated by 3-5% film forming agents, 2-10% emulsifying agents, 1-5% preservatives, 80-94% water.
3. diesel locomotive medium lift pump group formula water mists self-extinguishing method according to claim 2, it is characterised in that：It is described
Film forming agent uses fluorine surfactant, and the emulsifying agent uses hc-surfactant, and the preservative uses formaldehyde.
4. diesel locomotive medium lift pump group formula water mists self-extinguishing method according to claim 1, it is characterised in that：
The volume revolution speed of miniature middle pressure water supplying unit is accurately controlled by PLC, pressure of supply water is accurately controlled, strict control
Water droplet particle diameter processed is concentrated in 150 μm of -300 μ m；
According to fire condition, by one or more sets water supplying units of fire alarm control unit automatic start；Or led to by human pilot
Terminal display controller is crossed to manually boot；
Meanwhile, human pilot can be manual in time according to the camera Real Time Observation fire development situation being distributed in diesel locomotive
Start or close water supplying unit.
5. the diesel locomotive medium lift pump group formula water mists self-extinguishing method according to claim 1-4 any one, it is special
Levy and be：The water supplying unit be middle pressure water supplying unit, medium pressure water supplying unit include direct current generator, shaft coupling, displacement pump,
Valve plate；
The direct current generator is coupled by shaft coupling with displacement pump；
The valve plate offers water inlet flow channel and outlet passage, and the water inlet of displacement pump is connected with the water inlet flow channel of valve plate, volume
The delivery port of pump is connected with the outlet passage of valve plate；
Be additionally provided between water inlet flow channel and outlet passage one it is flat when its water inlet and delivery port between be normally off safety
Valve, the setting value of the safety valve is 1.6-1.8Mpa；
The channel middle of the water inlet flow channel is connected with the delivery port of safety valve；
The channel middle of the outlet passage is connected with the water inlet of safety valve；
Also include the pressure sensor of a sensing outlet passage internal pressure power, when pressure of supply water is set more than safety valve in outlet passage
During definite value, connected between the water inlet and delivery port of safety valve.
6. diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system, it is characterised in that：Including fluid reservoir, in several, pressure is supplied
Water unit, PLC, fire alarm control unit, fire detector, camera, terminal display controller, battery；
Multiple fire extinguishing regions are divided into inside diesel locomotive, water supplying unit are pressed in each fire extinguishing region correspondence one, each
Middle pressure water supplying unit correspondence be installed on corresponding fire extinguishing region several in press fine mist spray head；
The fluid reservoir Inner lays in fire water, and each middle pressure water supplying unit is connected through water supply line, and each middle pressure water supplying unit passes through
Water supply line presses fine mist spray head to connect with several affiliated, and medium pressure water supplying unit sprays for affiliated middle pressure water mists
Head provides the fire water of 1.2~1.8MPa pressure limits, and the fire water is applied to conflagration area with water mists form；
The PLC is electrically connected battery, middle pressure water supplying unit, and by signal control line respectively with fire alarm
Controller, the electrical connection of middle pressure water supplying unit；
Fire alarm control unit is electrically connected with fire detector, camera, terminal display controller respectively by signal control line；
Medium pressure water supplying unit is by the vehicle-mounted storage battery power supply of diesel locomotive.
7. diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system according to claim 6, it is characterised in that：It is described
Middle pressure water supplying unit includes direct current generator, shaft coupling, displacement pump, valve plate；
The direct current generator is coupled by shaft coupling with displacement pump；
The valve plate offers water inlet flow channel and outlet passage, and the water inlet of displacement pump is connected with the water inlet flow channel of valve plate, volume
The delivery port of pump is connected with the outlet passage of valve plate；
Be additionally provided between water inlet flow channel and outlet passage one it is flat when its water inlet and delivery port between be normally off safety
Valve, safety valve 1-17 setting value is 1.6-1.8Mpa；
The channel middle of the water inlet flow channel is connected with the delivery port of safety valve；
The channel middle of the outlet passage is connected with the water inlet of safety valve；
Also include the pressure sensor of a sensing outlet passage internal pressure power, when pressure of supply water is set more than safety valve in outlet passage
During definite value, connected between the water inlet and delivery port of safety valve.
8. diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system according to claim 7, it is characterised in that：It is described
The water inlet of displacement pump is connected by pump water inlet joint, valve plate water supply connector with the water inlet interface of the water inlet flow channel of valve plate, described
Displacement pump delivery port is connected by pumping out water swivel, valve plate water out adapter with the water outlet mouthpiece of the outlet passage of valve plate, the valve
The end of plate water supply connector is provided with water supply connector screw plug, and the end of the valve plate water out adapter is provided with water out adapter screw plug；
The pressure sensor output signal access controller, when pressure of supply water exceedes setting value, PLC is to direct current
Machine sends reduce-speed sign, the rotating speed of displacement pump is reduced, to reduce pressure of supply water, until dropping within setting；
The direct current generator uses brushless electric machine, and voltage selects a kind of voltages of the 24V into 48V scopes；
The opening and closing and the discharge and recharge of battery of direct current generator described in the PLC real-time monitoring；
The displacement pump uses one kind in membrane pump, plunger pump, gear pump and vane pump.
9. diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system according to claim 6, it is characterised in that：It is described
The total water inlet of middle pressure water supplying unit is connected with fluid reservoir, total delivery port of medium pressure water supplying unit and the input of water main
Mouthful connection, the water main delivery outlet connects with water supply branch pipe, on the water supply branch pipe according to determining deviation setting it is some in
Press fine mist spray head；
Fire detector uses smoke detector and/or flame detector；
The terminal display controller is arranged on drivers' cab, or the convenient position manipulated of locomotive driving personnel；
The battery uses diesel locomotive Vehicular accumulator cell；Or be separately configured, battery is usually by locomotive engine and charging
Facility supplements electricity.
10. diesel locomotive medium lift pump group formula water mists automatic fire extinguishing system according to claim 6, it is characterised in that：
The fire water contains 2-10% water mists additive；
The water mists additive is formulated by 3-5% film forming agents, 2-10% emulsifying agents, 1-5% preservatives, 80-94% water；
The film forming agent uses fluorine surfactant, and the emulsifying agent uses hc-surfactant, and the preservative uses first
Aldehyde.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710591801.3A CN107158606A (en) | 2017-07-19 | 2017-07-19 | A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system |
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| CN201710591801.3A CN107158606A (en) | 2017-07-19 | 2017-07-19 | A kind of diesel locomotive medium lift pump group formula water mists self-extinguishing method and system |
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| CN107837474A (en) * | 2017-10-10 | 2018-03-27 | 中车大连机车车辆有限公司 | The method that diesel locomotive uses fine mist fire-fighting |
| CN110025909A (en) * | 2019-01-22 | 2019-07-19 | 上海博雾环保科技有限公司 | A kind of lithium battery test atomization fire-extinguishing system and extinguishing method |
| CN110170122A (en) * | 2019-06-19 | 2019-08-27 | 环安有备族(北京)科技有限公司 | A kind of new-energy automobile parking stall fire separation system |
| CN111167055A (en) * | 2020-01-14 | 2020-05-19 | 浙江安防职业技术学院 | Indoor fire control method and system, intelligent terminal and storage medium thereof |
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| CN111167055A (en) * | 2020-01-14 | 2020-05-19 | 浙江安防职业技术学院 | Indoor fire control method and system, intelligent terminal and storage medium thereof |
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Application publication date: 20170915 |