CN109637325A - A kind of full-scale cabin is strile-backd imitative experimental appliance and experimental method - Google Patents
A kind of full-scale cabin is strile-backd imitative experimental appliance and experimental method Download PDFInfo
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- CN109637325A CN109637325A CN201811531930.4A CN201811531930A CN109637325A CN 109637325 A CN109637325 A CN 109637325A CN 201811531930 A CN201811531930 A CN 201811531930A CN 109637325 A CN109637325 A CN 109637325A
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Abstract
The present invention provides a kind of full-scale cabin and strile-backs imitative experimental appliance, including die body, matched simulated generating device, TT&C system and fume extractor；Die body forms simulation cabin by the ratio entity steel construction of 1:1；Model locker there are three setting in boiler-plate room, often uses cabinet body for simulated storage room；The matched simulated generating system includes natural gas supply system and the ignition system that connect with natural gas supply system, natural gas supply system passes through gas burner of the indoor natural gas line in cabin by natural gas transportation at three model lockers, and the ignition system includes and the one-to-one igniter of burner；The TT&C system includes the measuring device positioned at cabin ceiling measurement flue-gas temperature；The smoke evacuation system is used to for fire smoke being discharged through cabin rear wall gas vent.The present invention can carry out teaching demonstration experiment and fire-fighting operation real training, in the daily fire fire-fighting technical training for firefighters, part-time fireman and related practitioner.
Description
Technical field
The present invention relates to fire disaster simulation technical field, specifically a kind of full-scale cabin is strile-backd imitative experimental appliance and experiment
Method.
Background technique
Fire is disaster form common in life.Fire once occurs directly threaten people life property safety.It builds
It builds fire and occupies considerable proportion in all fire.Strile-bacing is a kind of special combustion phenomena in building fire, is common in logical
During the Indoor Combustion that wind is not good and fuel is sufficient.Such as the burning of confined space.Firstly, the combustible near point of origin
It will gradually be lighted, gradually be spread in combustible surface, ignition zone is gradually expanded by open fire；And due to airtight space on fire, it is fresh
Air, which can not be successfully, is supplemented into interior, and interior gradually will be in anaerobic condition because of burning consumption, and final fire extinguishes, but
It is indoor at this time still to there is high temperature unburnt fuel largely to exist；Opening outside the connection of a certain moment space is opened, such as intraventricular pressure
Glass breaking caused by power is larger or fireman open door and enter development fire fighting and rescue action, and fresh air will be rapid at this time
Interior is poured in, forms violent second-time burning phenomenon after being sufficiently mixed with indoor high temperature unburnt fuel again, this is to build
Build the backdraft phenomenon of fire.Strile-back is that a kind of great combustion phenomena of danger coefficient and fire are evolved into the one of explosion and lure greatly
Cause, it seriously threatens the personal safety of fire fighting and rescue personnel, also has significant impact to adjacent building, environment.
During practical building fire fire fighting and rescue and contingency management, active service commanding officer, firefighters and part-time fire-fighting
The related practitioner such as member, which still lacks the building fire rule of development, to be fully realized, and this special building fire that especially strile-backs is existing
As, it is maximum to the menace of fire brigade, but the randomness, the non-confirmability that itself have will bring difficulty for fire fighting and rescue
Degree.Introduction of building indoor fire backdraft phenomenon is produced in order to deepen commanding officer, firefighters practitioner related to part-time fireman etc.
Raw intuitive dynamic understands, promotes the culture of its fire fighting and rescue warfighting capabilities, needs to design a full-scale simulated experiment of strile-bacing
Device.
Summary of the invention
A kind of room the purpose of the present invention is developing full-scale cabin to strile-back imitative experimental appliance, for routine experimentation teaching
The experiment and experimental method of interior fire backdraft phenomenon simulation, can carry out teaching demonstration experiment and fire-fighting operation real training, be used for fire-fighting
In the daily fire fire-fighting technical training of officers and men, part-time fireman and related practitioner.
The technical solution that the present invention uses to achieve the above object are as follows:
Strile-back imitative experimental appliance, including die body, matched simulated generating device, TT&C system for a kind of full-scale cabin
And fume extractor；
The die body forms simulation cabin by the ratio entity steel construction of 1:1, and cabin antetheca is equipped with electrically operated gate, cabin
Rear wall is equipped at least one observation window, and cabin left side wall lower part is equipped with natural gas line access port, and cabin left side wall is equipped with observing and controlling
System access mouth, the cabin left side wall lower left corner, the lower right corner are respectively equipped with cabin draining overflow hole, and the cabin rear wall upper right corner is equipped with peace
The mounting hole of smoke discharging pipe is filled, cabin ceiling quadrangle respectively sets a blinds grid using Electromagnetic Control open and close, is used for cabin
Room overhead vapor pressure release；
It is equipped with the model locker of left, center, right three in boiler-plate room, is steel structure model, it is normal for simulated storage room
Use cabinet body；
The matched simulated generating system includes natural gas supply system and the igniting system connecting with natural gas supply system
System, natural gas supply system are burnt the gas of natural gas transportation to three model lockers by the indoor natural gas line in cabin
Device sets solenoid valve control fuel in each gas burner pipeline and transports, and the ignition system includes one-to-one with burner
Igniter；
The TT&C system includes the measuring device positioned at cabin ceiling measurement flue-gas temperature；
The smoke evacuation system is used to for fire smoke being discharged through cabin rear wall gas vent.
Further, the natural gas supply system includes natural gas steel cylinder, pressure reducing valve, pressure gauge, volume flowmeter, rubber
Glue hose, stainless steel air inlet pipe, standard four-way, solenoid valve, gas burner, wherein natural gas steel cylinder, pressure reducing valve, pressure gauge,
Volume flowmeter by rubber hose in outdoor connection, volume flowmeter outlet connect stainless steel air inlet pipe by under the left side wall of cabin into
Port accesses in cabin in right feed channel.
Further, cabin building gas pipe, service pipe, indoor pipe is shunted through standard four-way, is divided into three branches of upper, middle and lower, every bypass line
It is arranged in below each layer locker, every layer 1 foraminous gas burner is respectively set in two lockers in left and right, is being placed in locker just
In；Every layer 3 foraminous gas burners are respectively set in intermediate locker, it is symmetrical along locker, make gas burner surfaces
It is embedded in locker surface.
Further, the gas burner is the rectangular parallelepiped structure made with stainless steel material, and lower part connects gas pipeline
As fuel gas inlet, uniformly drilling is porous gas outlet for burner top surface center, and with for installing pulse igniter
Pulse igniter card slot.
Further, the ignition system is made of power supply, conducting wire, pulse igniter, remote control switch, and power supply is placed in cabin
Outside, conducting wire are coated by ceramic tube, are connected in parallel each pulse igniter by cabin left side wall air inlet, pulse igniter opening and closing by
Remote control switch control.
Further, the TT&C system is made of thermocouple, compensating wire, data acquisition module, converter, computer,
Thermocouple and compensating wire are placed in fixed below the ceiling of cabin, data acquisition module from cabin left side wall top circular hole access cabin
Block and converter are in the external computer in cabin to realize acquisition data.
Further, the smoke evacuation system is sequentially connected by exhaust fume collecting hood, smoke discharging pipe and smoke exhaust fan and is formed, the collection cigarette
Cover is installed on position on the upper side in the right side of cabin, and liftoff 1m eminence, exhaust fume collecting hood lower part is the rectangular of 0.6m × 0.6m, is installed on cabin
1m eminence that right side is liftoff, exhaust fume collecting hood top connect smoke exhaust fan, smoke discharging pipe, and fire smoke is vented through the cabin rear wall upper right corner
Hole discharge.
Further, a length of 6.1m in cabin, width 2.53m, a height of 1.95m are simulated.
Further, left and right two locker long 1.6m, wide 0.8m, high 1.5m, the intermediate long 3.2m of locker, wide 0.6m,
High 1.5m.Cabinet body is three layers, interlayer height difference 0.5m.
Further, observation window is made of resistance to 1000 DEG C of high temp glass.
Strile-back analogue experiment method for a kind of full-scale cabin, is carried out using above-mentioned experimental provision, the experimental method includes
Following steps:
It before carrying out analog demenstration experiment, should check that system with installation and operation is good first, close electrically operated gate, open observing and controlling
System；
When experiment starts, the pulse ignition device on the locker burner of left side is opened in remote control first, opens lower part later
Natural gas, is slowly passed through in locker, is ignited by electric spark by the natural gas supply valve in cabin, is denoted as 0 moment at this time, i.e., fiery
Moment occurs for calamity；
After fire occurs, big natural gas supply valve is slowly opened in continuation, makes each burner fuel supply up to 7.2m3/
H, ignition zone slowly expand, and the flame spread rates of common storage cabinet articles are about 1cm/s, according to this flame spread rates, fire hair
130s opens the pulse ignition device on every layer of the locker one of burner in middle part after life, opens pipe electromagnetic valve, will fire
Burner is ignited, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h shows that fire has begun to extend
Into intermediate locker；170s opens the pulse ignition device on another burner of every layer of locker after fire occurs, and opens
Pipe electromagnetic valve ignites burner, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h,；
210s opens the pulse ignition device on every layer of locker another burner after fire occurs, and opens pipe electromagnetic valve, will burn
Device ignites, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h, simulated fire is in intermediate storing
The sprawling process of cabinet；340s opens the pulse ignition device on the burner on the locker of right side after fire occurs, and opens pipeline
Solenoid valve ignites burner, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h, shows fire
It has begun to extend into right side locker, so far three lockers are in combustion state in cabin；
After experiment starts 450s, it is gradually reduced natural gas supply valve, the intensity of a fire is gradually reduced, until completely closing day when 600s
Right gas supplies valve, and simulation Indoor Combustion gradually decays to Quench because of oxygen deficiency；When experiment starts 650s, remote control is beaten
It opens the cabin room electrically operated gate, and is remotely controlled the pulse ignition device in all lockers on burner again in 15s, open lower part cabin
Natural gas supply valve, natural gas valve aperture is tuned up rapidly, makes each burner fuel supply up to 7.2m3/ h, combustion
Gas is passed through in locker, is ignited by electric spark, and simulation is largely supplemented since door throws open rear fresh air, with indoor high temperature
The backdraft phenomenon that unburnt fuel generates after being sufficiently mixed；
When experiment starts 720s, fuel supply valve is closed, to indoor fuel gas afterburnt end simulation lecture experiment.
Full-scale cabin proposed by the present invention is strile-backd imitative experimental appliance, can be carried out in simulated storage room cabin strile-back it is existing
The experiment of elephant is simulated.With vdiverse in function, simple structure, high reliablity, easy to clean, cost is relatively low, reusable, conveniently
Transport and the high feature of safety coefficient can carry out teaching demonstration experiment and fire-fighting operation real training, be used for firefighters, part-time fire-fighting
In the daily fire fire-fighting technical training of member and related practitioner.
The advantages and positive effects of the present invention are as follows:
The present invention can be used for the illustrative simulation for the process that inside fire strile-backs, and simulated experiment design scheme meets indoor fire
Calamity occurs, generates fire spread to extinguishing, after generates the objective law strile-backd due to open because being open, but be not real indoor time
Phenomenon is fired, safety is higher for process of more actually strile-bacing, and can provide safely and effectively training platform for fire-fighting practitioner；
The present invention selects natural gas as fuel, and combustion process facilitates control, and fuel more cleans, high reliablity.
Detailed description of the invention
Fig. 1 is total layout that cabin is simulated in the present invention；
Fig. 2 is the rear wall figure that cabin is simulated in the present invention；
Fig. 3 is the left side wall figure that cabin is simulated in the present invention；
Fig. 4 is the structural schematic diagram of natural gas supply system in the present invention；
Fig. 5 is the structural schematic diagram of ignition system in the present invention；
Fig. 6 is the layout top view of cabin natural gas line in the present invention；
Fig. 7 is the structural map of gas burner in the present invention；
Fig. 8 is the structural schematic diagram of TT&C system in the present invention；
Fig. 9 is that cabin natural gas line is laid out main view in the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, the technical solution in the present invention is clearly and completely described.
Please refer to Fig. 1-3, the present invention provides a kind of full-scale cabin and strile-backs imitative experimental appliance, including die body, matches
Cover simulation generator, TT&C system and fume extractor.
The die body forms simulation cabin by the ratio entity steel construction of 1:1, simulates a length of 6.1m in cabin, width is
2.53m, a height of 1.95m.There is the door 2 of width a 0.9m, high 1.8m on the right side of cabin antetheca 1, is set as electrically operated gate.In cabin rear wall 65
There are two pieces of wide 2.2m in portion, and the observation window (3,4) of high 1.0m constitutes (Fig. 2) by resistance to 1000 DEG C of high temp glass.Under cabin left side wall 66
Portion is provided with the circular hole 5 of diameter 5cm, is 0.4m apart from cabin ground level, apart from cabin rear wall 0.2m, for being used as natural gas tube
Road access port.Cabin left side wall center line top is provided with diameter 5cm circular hole 6, is 5cm apart from cabin ceiling height, is used for conduct
TT&C system access port (Fig. 3).The cabin left side wall lower left corner, the lower right corner are provided with diameter 5cm circular hole (7,8), drain as cabin
Overflow hole, draining is used when firefighters real training being facilitated to put out a fire.The cabin rear wall upper right corner is provided with diameter 30cm mounting hole 9, for pacifying
Fill smoke discharging pipe 24.Cabin ceiling quadrangle respectively sets a blinds grid (10-13) using Electromagnetic Control open and close, is used for cabin
Room overhead vapor pressure release (Fig. 6).
It is steel structure model there are three being set in boiler-plate room model locker (14-16), it is common for simulated storage room
Cabinet body.Left and right two lockers (14,15) long 1.6m, wide 0.8m, high 1.5m, intermediate locker 16 is 3.2m long, wide 0.6m, high
1.5m.Cabinet body is three layers, interlayer height difference 0.5m.
Matched simulated generating system is made of natural gas supply system (Fig. 4) and ignition system (Fig. 5).Natural gas supply system
System is by natural gas steel cylinder 17, pressure reducing valve 18, pressure gauge 19, volume flowmeter 20, rubber hose 21, stainless steel air inlet pipe 22, mark
Quasi- four-way, solenoid valve (28-30,34-36,40-42,46-48), gas burner (25-27,31-33,37-39,43-45,49-
51) the devices composition such as, wherein natural gas steel cylinder 17, pressure reducing valve 18, pressure gauge 19, volume flowmeter 20 are existed by rubber hose 21
Outdoor connection, the outlet of volume flowmeter 20 connect stainless steel air inlet pipe and access right feed channel in cabin by air inlet under the left side wall of cabin
In (Fig. 9).
Cabin building gas pipe, service pipe, indoor pipe (Fig. 9) is shunted through standard four-way, and outlet end is respectively connected to the gas at each layer surface of locker
Volumetric combustion device sets solenoid valve control fuel in each burner pipeline and transports.Specifically, cabin building gas pipe, service pipe, indoor pipe is through four reduction of fractions to a common denominator of standard
Stream, is divided into three branches of upper, middle and lower, and every bypass line is arranged in below each layer locker.Two lockers (14,15) in left and right
In every layer respectively setting 1 side length 40cm foraminous gas burner (25-27,49-51) (Fig. 6), be placed in locker center；It is intermediate
The foraminous gas burner (31-33,37-39,43-45) of 3 side length 40cm of every layer of each setting, the edge spacing 40cm in locker 16
Locker is symmetrical, and gas burner surfaces is made to be embedded in locker surface.Gas burner (Fig. 7) a height of 5cm, burner bottom
Face connects gas pipeline as fuel gas inlet 53, and diameter 3cm, uniformly drilling is porous gas outlet 54 for burner top surface center,
Pitch-row is 2cm, aperture 0.5cm, and has pulse igniter card slot 55.
The ignition system is made of power supply 56, conducting wire 57, pulse igniter 58, remote control switch 59 etc..Power supply 56 is placed in
Cabin exterior, conducting wire 57 are coated by ceramic tube, are connected in parallel each pulse igniter 58, pulse firing by cabin left side wall air inlet
The opening and closing of device 58 is controlled by remote control switch 59, and pulse igniter 58 and gas burner correspond, and pulse igniter 58 is embedded in combustion
At burner gas vent card slot.The cake of a small amount of blending carbon dust is put on gas burner periphery, to simulated fire flue gas.
The TT&C system (Fig. 8) includes the temperature measuring device of cabin ceiling flue gas, by thermocouple 60, compensating wire
61, data acquisition module 62 and converter 63, computer 64 form.Thermocouple and compensating wire 61 are from cabin left side wall top circular hole
Cabin is accessed, is placed in cabin ceiling lower section fixation, data acquisition module 62 and converter 63 in the external computer 64 in cabin to realize
Acquire data.
The smoke evacuation system is sequentially connected and is formed by exhaust fume collecting hood 23, smoke discharging pipe 24 and smoke exhaust fan 52.The exhaust fume collecting hood
23 are installed on position on the upper side in the right side of cabin, and liftoff 1m eminence, 23 lower part of exhaust fume collecting hood is the rectangular of 0.6m × 0.6m, is installed on cabin
Liftoff 1m eminence on the right side of room connects smoke exhaust fan 52, smoke discharging pipe 24 above exhaust fume collecting hood 23, by fire smoke through the cabin rear wall right side
(Fig. 9) is discharged in upper angle gas vent.
Carrying out lecture experiment using imitative experimental appliance of the present invention, specific step is as follows:
It before carrying out analog demenstration experiment, should check that system with installation and operation is good first, close electrically operated gate, open observing and controlling
System.When experiment starts, the pulse ignition device on burner (25-27) is opened in remote control first, opens lower part cabin later
Natural gas, is slowly passed through in locker by natural gas supply valve, is ignited by electric spark, is denoted as 0 moment at this time, i.e. fire occurs
Moment.
After fire occurs, big natural gas supply valve is slowly opened in continuation, makes each burner fuel supply up to 7.2m3/
H, ignition zone slowly expand.The flame spread rates of common storage cabinet articles are about 1cm/s, according to this flame spread rates, fire hair
130s opens the pulse ignition device on burner (31-33) after life, opens pipe electromagnetic valve (28-30), by burner (31-
33) it ignites, and is gradually increased valve opening, make each burner fuel supply up to 7.2m3/ h, show fire begun to extend to
In intermediate locker.170s opens the pulse ignition device on burner (37-39) after fire occurs, and opens pipe electromagnetic valve
Burner (37-39) is ignited, and is gradually increased valve opening by (34-36), makes each burner fuel supply up to 7.2m3/
H,；210s opens the pulse ignition device on burner (43-45) after fire occurs, and opens pipe electromagnetic valve (40-42), will fire
Burner (43-45) is ignited, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h, simulated fire exist
The sprawling process of intermediate locker.340s opens the pulse ignition device on burner (49-51) after fire occurs, and opens pipeline
Burner (49-51) is ignited, and is gradually increased valve opening by solenoid valve (46-48), reaches each burner fuel supply
7.2m3/ h shows that fire has begun to extend into right side locker, and so far three lockers are in combustion state in cabin.
After experiment starts 450s, it is gradually reduced natural gas supply valve, the intensity of a fire is gradually reduced, until completely closing day when 600s
Right gas supplies valve, and simulation Indoor Combustion gradually decays to Quench because of oxygen deficiency.When experiment starts 650s, remote control is beaten
It opens the cabin room electrically operated gate, and is remotely controlled the pulse ignition device in all lockers on burner again in 15s, open lower part cabin
Natural gas supply valve, natural gas valve aperture is tuned up rapidly, makes each burner fuel supply up to 7.2m3/ h, combustion
Gas is passed through in locker, is ignited by electric spark, and simulation is largely supplemented since door throws open rear fresh air, with indoor high temperature
The backdraft phenomenon that unburnt fuel generates after being sufficiently mixed.
When experiment starts 720s, fuel supply valve is closed, to indoor fuel gas afterburnt end simulation lecture experiment.At this time
After opening exhaust fume collecting hood exhaust fan about 10min excludes outdoor from indoor to flue gas completely, and room temperature is down to 40 DEG C or less, mould
Quasi- lecture experiment terminates, and personnel can be allowed to enter.
In view of the substantial risk that practical fire strile-backs, in the premise for guaranteeing analog demenstration experiment and trainee's safety
Under, it is according to inside fire dynamical foundation theory, to simulate back by the Design Orientation of this full-scale imitative experimental appliance of strile-bacing
Fire phenomena is fired, simulation process can more meet the generation of fire, spread and reach the physics law flashed over, there is typicalness,
And not generate real fire backdraft phenomenon.The present apparatus can carry out teaching demonstration experiment and fire-fighting operation real training, be used for fire-fighting
The daily fire fire-fighting technical training of officers and men, part-time fireman and related practitioner, this will recognize fire mistake for fire brigade
Journey and phenomenon, development fire drill and the fire fire fighting and rescue actually built and contingency management have very important significance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
- The imitative experimental appliance 1. a kind of full-scale cabin is strile-backd, it is characterised in that: filled including die body, matched simulated It sets, TT&C system and fume extractor；The die body forms simulation cabin by the ratio entity steel construction of 1:1, and cabin antetheca is equipped with electrically operated gate, cabin rear wall Equipped at least one observation window, cabin left side wall lower part is equipped with natural gas line access port, and cabin left side wall is equipped with TT&C system Access port, the cabin left side wall lower left corner, the lower right corner are respectively equipped with cabin draining overflow hole, and the cabin rear wall upper right corner is equipped with installation row The mounting hole of smoke pipeline, cabin ceiling quadrangle respectively set a blinds grid using Electromagnetic Control open and close, push up for cabin Portion's steam pressure release；It is equipped with the model locker of left, center, right three in boiler-plate room, is steel structure model, is used for simulated storage room service tank Body；The matched simulated generating system includes natural gas supply system and the ignition system that connect with natural gas supply system, day Right gas supply system passes through the indoor natural gas line in cabin for natural gas transportation to the gas burner of three model lockers, respectively It sets solenoid valve control fuel in gas burner pipeline to transport, the ignition system includes lighting a fire correspondingly with burner Device；The TT&C system includes the measuring device positioned at cabin ceiling measurement flue-gas temperature；The smoke evacuation system is used to for fire smoke being discharged through cabin rear wall gas vent.
- The imitative experimental appliance 2. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: the natural gas supply system System includes natural gas steel cylinder, pressure reducing valve, pressure gauge, volume flowmeter, rubber hose, stainless steel air inlet pipe, standard four-way, electromagnetism Valve, gas burner, wherein natural gas steel cylinder, pressure reducing valve, pressure gauge, volume flowmeter by rubber hose in outdoor connection, Volume flowmeter outlet connects stainless steel air inlet pipe and is accessed in cabin in right feed channel by air inlet under the left side wall of cabin.
- The imitative experimental appliance 3. full-scale cabin as claimed in claim 2 is strile-backd, it is characterised in that: cabin building gas pipe, service pipe, indoor pipe warp Standard four-way shunts, and is divided into three branches of upper, middle and lower, and every bypass line is arranged in below each layer locker, two storings in left and right Every layer 1 foraminous gas burner is respectively set in cabinet, is placed in locker center；Every layer of each setting 3 is porous in intermediate locker Gas burner, it is symmetrical along locker, so that gas burner surfaces is embedded in locker surface.
- The imitative experimental appliance 4. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: the gas burner is With the rectangular parallelepiped structure that stainless steel material makes, lower part connects gas pipeline as fuel gas inlet, and burner top surface center is uniformly bored Hole is porous gas outlet, and with the pulse igniter card slot for installing pulse igniter.
- The imitative experimental appliance 5. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: the ignition system is by electricity Source, conducting wire, pulse igniter, remote control switch composition, power supply are placed in cabin exterior, and conducting wire is coated by ceramic tube, by the left of cabin Wall air inlet is connected in parallel each pulse igniter, and pulse igniter opening and closing is controlled by remote control switch.
- The imitative experimental appliance 6. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: the TT&C system is by warm Galvanic couple, compensating wire, data acquisition module, converter, computer composition, thermocouple and compensating wire are round from cabin left side wall top Cabin is accessed in hole, is placed in below the ceiling of cabin and is fixed, and data acquisition module and converter are acquired in the external computer in cabin with realizing Data.
- The imitative experimental appliance 7. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: the smoke evacuation system is by collecting Petticoat pipe, smoke discharging pipe and smoke exhaust fan are sequentially connected composition, and the exhaust fume collecting hood is installed on position on the upper side in the right side of cabin, liftoff 1m Eminence, exhaust fume collecting hood lower part are the rectangular of 0.6m × 0.6m, are installed on liftoff 1m eminence on the right side of cabin, connection smoke evacuation above exhaust fume collecting hood Fire smoke is discharged through cabin rear wall upper right corner gas vent for blower, smoke discharging pipe.
- The imitative experimental appliance 8. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: simulate a length of of cabin 6.1m, width 2.53m, a height of 1.95m.
- The imitative experimental appliance 9. full-scale cabin as described in claim 1 is strile-backd, it is characterised in that: two lockers in left and right are long 1.6m, wide 0.8m, high 1.5m, the intermediate long 3.2m of locker, wide 0.6m, high 1.5m.Cabinet body is three layers, interlayer height difference 0.5m.
- 10. strile-back analogue experiment method in a kind of full-scale cabin, it is characterised in that using real described in any one of claim 1-9 Experiment device carries out, and the experimental method includes the following steps:It before carrying out analog demenstration experiment, should check that system with installation and operation is good first, close electrically operated gate, open observing and controlling system System；When experiment starts, the pulse ignition device on the locker burner of left side is opened in remote control first, opens lower part cabin later Natural gas supply valve, slowly natural gas is passed through in locker, is ignited by electric spark, was denoted as 0 moment at this time, i.e., fire is sent out The raw moment；After fire occurs, big natural gas supply valve is slowly opened in continuation, makes each burner fuel supply up to 7.2m3/ h, kindling Area slowly expands, and the flame spread rates of common storage cabinet articles are about 1cm/s, according to this flame spread rates, after fire occurs 130s opens the pulse ignition device on every layer of the locker one of burner in middle part, pipe electromagnetic valve is opened, by burner It ignites, and is gradually increased valve opening, make each burner fuel supply up to 7.2m3/ h shows that fire has begun to extend into Between in locker；170s opens the pulse ignition device on another burner of every layer of locker after fire occurs, and opens pipeline Solenoid valve ignites burner, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h,；Fire 210s opens the pulse ignition device on every layer of locker another burner after generation, opens pipe electromagnetic valve, burner is drawn Combustion, and it is gradually increased valve opening, make each burner fuel supply up to 7.2m3/ h, simulated fire is in intermediate locker Sprawling process；340s opens the pulse ignition device on the burner on the locker of right side after fire occurs, and opens pipe electromagnetic Valve ignites burner, and is gradually increased valve opening, makes each burner fuel supply up to 7.2m3/ h shows that fire has been opened Beginning spreads in the locker of right side, and so far three lockers are in combustion state in cabin；After experiment starts 450s, it is gradually reduced natural gas supply valve, the intensity of a fire is gradually reduced, until completely closing natural gas when 600s Valve is supplied, simulation Indoor Combustion gradually decays to Quench because of oxygen deficiency；When experiment starts 650s, cabin is opened in remote control Room electrically operated gate, and it is remotely controlled in 15s the pulse ignition device in all lockers on burner again, open the day in lower part cabin Right gas supplies valve, and natural gas valve aperture is tuned up rapidly, makes each burner fuel supply up to 7.2m3/ h, combustion gas is logical Enter in locker, ignited by electric spark, simulation is largely supplemented since door throws open rear fresh air, unburned with indoor high temperature The backdraft phenomenon that most fuel generates after being sufficiently mixed；When experiment starts 720s, fuel supply valve is closed, to indoor fuel gas afterburnt end simulation lecture experiment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811531930.4A CN109637325A (en) | 2018-12-14 | 2018-12-14 | A kind of full-scale cabin is strile-backd imitative experimental appliance and experimental method |
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