CN105894936A - Small size simulation experiment table for underground coal mine exogenous fire - Google Patents
Small size simulation experiment table for underground coal mine exogenous fire Download PDFInfo
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- CN105894936A CN105894936A CN201610379636.0A CN201610379636A CN105894936A CN 105894936 A CN105894936 A CN 105894936A CN 201610379636 A CN201610379636 A CN 201610379636A CN 105894936 A CN105894936 A CN 105894936A
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- 239000003245 coal Substances 0.000 title claims abstract description 46
- 238000004088 simulation Methods 0.000 title claims abstract description 16
- 239000003546 flue gas Substances 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 10
- 150000002500 ions Chemical class 0.000 claims abstract description 5
- 239000002390 adhesive tape Substances 0.000 claims description 43
- 239000000779 smoke Substances 0.000 claims description 33
- 238000002474 experimental method Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000003818 cinder Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
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- 238000007789 sealing Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000005399 mechanical ventilation Methods 0.000 abstract 1
- 230000000505 pernicious effect Effects 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011172 small scale experimental method Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
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- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a small size simulation experiment table for underground coal mine exogenous fire. The small size simulation experiment table comprises a tunnel and an auxiliary measurement and control system, wherein the auxiliary measurement and control system comprises a flue gas temperature collection system, a heat loss measurement system, a flue gas measurement alarm system, a mechanical ventilation and flue gas exhaust system and a flue gas flow field display system; the flue gas temperature collection system comprises a distributed fiber temperature measurement circuit mounted in the tunnel and a thermal infrared imager mounted at the opening of one end of a simulated tunnel; the heat loss measurement system comprises a heat flux sensor mounted in the tunnel; the flue gas measurement alarm system comprises a flue gas analyser measurement point and an ion flue gas sensing detection alarm which are mounted in the tunnel. The small size simulation experiment table can simulate the situation, flue gas components, flue gas flow rule, temperature field variation rule, poisonous and pernicious gas concentration variation rule and heat loss during fuel combustion in case of fire in a laboratory, and develops a suitable coal mine tunnel detection and control system.
Description
Technical field
The present invention relates to technical field of fire hazard safety, be specifically related to a kind of underground coal mine exogenous fire small size mould
Draft experiment platform.
Background technology
Coal is as the main body energy of China, and Belt transport is one of main Coal Transport mode of mine, is
The powerful guarantee that colliery efficiently produces.Underground coal mine exogenous fire refers to the fire that external source causes, and causes fire
The reason of calamity is mainly blown out, electric spark, electric arc, gas and dust explosion, mechanical friction etc..In mine lane
In road exogenous fire, the control of flue gas and put out a fire to save life and property, the control of temperature is the focus that people are concerned about, because at coal
Can produce many toxic and harmful such as gas etc. in tunnel, ore deposit, it is tighter that high temperature easily makes gas occur blast to produce
The disaster of weight.To the smoke components of underground coal mine exogenous fire, Regularity of Smoke Movement, change of temperature field rule,
Toxic and harmful concentration change rule, research underground coal mine exogenous fire is for ensureing coal mine downhole safety very
It is necessary.
Owing to full-scale fire test needs to transfer, substantial amounts of manpower and materials, economic drain be big, condition is difficult to control
Making, affect colliery operation, the experiment of full-scale coal mine roadway is difficult to carry out.Carry out and meet the little of similarity theory
Scale experiment is studied, and discloses the Regularity of Smoke Movement of coal mine roadway fire, is a kind of preferably selection.Meanwhile,
Small-scale experiment has the credibility advantages of higher of the most handling, good reproducibility and measurement result.
Summary of the invention
It is an object of the invention to provide a kind of small size coal mine roadway exogenous fire small size simulated experiment platform,
Can situation when the breaking out of fire of laboratory simulation tunnel and smoke components, Regularity of Smoke Movement, temperature
Heat loss during Changing Pattern, toxic and harmful concentration change rule, the fuel combustion of field, development is suitably
Coal mine roadway detecting and controlling system.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of underground coal mine exogenous fire small size simulated experiment platform, including tunnel and supporting TT&C system,
Described supporting TT&C system includes that flue-gas temperature acquisition system, heat loss measure system, flue gas measures the system that reports to the police
System, force ventilation smoke evacuation system and flue gas flow field display system, described flue-gas temperature acquisition system includes peace
The distributed optical fiber temperature measurement circuit being contained in tunnel and the infrared thermal imagery being arranged at the one end open of simulation tunnel
Instrument；Described distributed optical fiber temperature measurement circuit is evenly distributed on the internal side position to the left in tunnel and arranges 10 surveys
The each point for measuring temperature of warm spot is spaced apart 1m, and distributed optical fiber temperature measurement circuit is connected with computer, can temperature be become
Change situation imports in computer, and described thermal infrared imager is arranged on the tunnel right-hand member top by power set；Institute
The heat loss stated measures the heat flow transducer that system includes being arranged in tunnel, and described heat flow transducer is arranged on
Bosom position, tunnel；Described flue gas is measured flue gas analyzer in warning system includes being arranged on tunnel and is surveyed
Point, electrochemical gas composition measurement probe and the data processing equipment, the ionic smoke sensor that are connected with its signal of telecommunication are visited
Surveying alarm, the quantity of ionic smoke sensor detecting alarm is three, is separately positioned on two end points about tunnel
And centre position, tunnel；Described force ventilation smoke evacuation system includes the wind being arranged in tunnel other end opening
Machine, air quantity regulation leaf window and anemobiagraph, air quantity regulation leaf window is arranged on outside blower fan, is shaped as arc, logical
Crossing the retaining wall outside rotating, regulate the size of air quantity, in tunnel, design smoke evacuation wind speed is at 0.6-0.8m/s
Scope, fan speed regulation range restraint is between 0-0.8m/s, and anemobiagraph is arranged on the internal left position in tunnel；
Described flue gas flow field display system includes the Nikon recording flue gas flow field being arranged in tunnel right-hand member
D7100 video camera, energy captured in real-time flue gas flow field, more preferably observe Regularity of Smoke Movement, under the base plate in tunnel
Side is provided with some lifting supports, and the base plate in tunnel is provided with the drive roll of power set and driven rolling
Cylinder, described power set are that 5IK120RGN-CF converter regulates motor, are arranged on laboratory table main body right
End, is connected by stainless steel chain with drive roll, runs offer power for cylinder, drive roll, driven
Conveyer belt is installed between cylinder, below conveyer belt, by support, some carrying rollers is installed.
Preferably, described tunnel is by a devitrified glass side plate, a steel construction side plate, base plate, tunnel framework
Building, base plate, tunnel framework use angle steel to build, and use close between devitrified glass side plate and angle steel
Sealing encapsulation process, its heatproof, up to 1000 DEG C, is easy to observe fire and smoke condition in tunnel meeting
While, approximation tunnel is rectangular-shaped to keep its geometric similarity；The glue of long 10m width 0.4m is set in base plate
Band transport structure.
Preferably, it is additionally provided with fuel and burning things which may cause a fire disaster in described tunnel.
Preferably, described lifting support uses stainless steel.
Preferably, described lifting support can arrange the different inclination angle of-8^ ° to 8^ ° and tests.
Preferably, described conveyer belt uses adhesive tape, and adhesive tape is mining flame-retardant adhesive tape DT II-1000/30, institute
Stating fuel is the adhesive tape sample being arranged on adhesive tape right end position, it is possible to for cable, electrical equipment sample etc., described fire
Source is tiny coal cinder, it is possible to for electric arc, electric spark etc., specimen size is 0.1m × 0.1m, passes through seccotine
Being pasted onto on conveyor belt, and with tape movement, ignite adhesive tape by lighting coal pieces, adhesive tape is when burning
Volume suck, the buoyancy of generation orders about flue gas and flows in laboratory table, can the most clearly simulated fire
Calamity flue gas spreads situation in tunnel.
Preferably, the long 11m of agent structure of described laboratory table, wherein tunnel experiment segment length 10m, wide 0.6m,
A height of 0.6m.Experimental system uses sectional design, in order to dismantles, move and installs, each section of junction
Use fluid sealant to connect and ensure its air-tightness.
Preferably, in described tunnel, in transportation system, drive roll is that rustless steel is made, its a diameter of 0.1m,
The a width of 0.4m of cylinder, is arranged on tunnel main body right-hand member and is connected by stainless steel chain with motor, and outside connects
Connect adhesive tape to cooperate with follower rollers with adhesive tape above guide roller with certain speed operation；Described follower rollers is
Rustless steel is made, its a diameter of 0.2m, and cylinder width 0.4m is arranged on roadway floor left end, external connection
Adhesive tape cooperates guiding adhesive tape with certain speed operation with drive roll；Described fixed support is made of stainless steel,
Fixed support height 5cm, fixed support is connected by fixing nut with carrying roller, and described carrying roller is that rustless steel is made
Cylinder, the centrally disposed central shaft of carrying roller is connected by fixing nut with fixed support, and carrying roller is a length of
0.4m, its a diameter of 0.1m.Tunnel be shaped as rectangle, largely with actual coal mine roadway shape phase
Seemingly.
The method have the advantages that
(1) in terms of the exogenous fire experiment effect of simulation tunnel, laboratory table has been innovated in the following aspects:
The shape in tunnel uses rectangular shape, keeps its geometric similarity to the full extent；Laboratory table devises liter
Fall system, can carry out the adjustment at low-angle inclination angle, and coal mine down-hole tunnel keeps similarity；Tunnel fuel
And burning things which may cause a fire disaster uses fuel to be adhesive tape (alternatively cable, electrical equipment etc.)；Burning things which may cause a fire disaster i.e. heating source is coal in small, broken bits
Block (alternatively electric arc, electric spark etc.), similar with tunnel internal and external reasons fire fuel, heating source, above-mentioned wound
Newly make its experimental result in experimentation relatively reliable.
(2) in terms of adhesive tape change of temperature field simulation experiment effect, laboratory table use simultaneously two kinds different
Experimental provision is monitored, and distributed temperature sensing optical fiber can realize multiple spot and monitor in real time, and certainty of measurement is high；With
Time infrared thermography, the most efficiently monitoring adhesive tape burning situation, by two kinds monitoring systems permissible
Measure the Changing Pattern of temperature the most clearly, reach to assist mutually the reliability proving mutually its result；
(3) in terms of simulation of smoke movement experiment effect, the true coal mine roadway of simulation that laboratory table can be complete
The burning of interior adhesive tape produces the flow regime with flue gas that spreads of flue gas, and clearly can be monitored by devitrified glass
To experimentation and phenomenon, simultaneous camera its combustion process of energy captured in real-time and flue gas flow field；
(4) in terms of the simulation experiment effect of fire heat release rate, laboratory table is preliminary based on experimental facilities
Analyze adhesive tape combustion heat rate of release, then calculated by the parameter before and after measurement adhesive tape burning；
(5) in terms of experiment measurement, the heat waste of coal mine roadway adhesive tape burning can accurately be measured by heat flow transducer
Losing, the situation for the conduction of heat of actual colliery exogenous fire small size fire provides reference；
(6) in terms of experimental measurement system, smoke components is measured and warning system can detect flue gas
The concentration of middle toxic and harmful and and alarm, we can calculate fire and smoke spread speed, and this is to down-hole
The design of the warning system of tunnel breaking out of fire and study significant, flue gas flow field display system etc. can
So that flow of flue gas parameter and cigarette control effect are carried out omnibearing observation and research；
(7) in terms of experimental cost, this small-scale experiment platform is compared large-sized laboratory table and is expended few, can weigh
Renaturation is strong, easy to operate, and accuracy is high compared with computer simulation method simultaneously.
In sum, this experimental provision is to become adhesive tape conduction of heat, flue gas during underground coal mine exogenous fire specially
Point, smoke movement, temperature changing regularity etc. carry out the small-scale experiment platform of comprehensive system research.Real forefathers
Overcome full-scale experiment feature accurate not with numerical simulation tool of a high price on the basis of testing, ensure again
The repeatability of experiment, temperature when can measure coal mine roadway adhesive tape breaking out of fire the most accurately, cigarette
The parameters such as gas composition and concentration, for carrying out laboratory science research and the cigarette of actual underground coal mine exogenous fire
Gas control system, temperature control, the detection of fire has the biggest using value with suppression system simulation test.Right
The flue gas of underground coal mine exogenous fire, the control of temperature, detection and the design of suppression system system and test evaluation
Research has broad application prospects and highly important actual directive significance.
Accompanying drawing explanation
Fig. 1 is that the main body of the embodiment of the present invention a kind of underground coal mine exogenous fire small size simulated experiment platform is shown
It is intended to；
Fig. 2 is the design sketch after Fig. 1 Angulation changes；
Fig. 3 is experiment glue in embodiment of the present invention one underground coal mine exogenous fire small size simulated experiment platform
Band sample distribution schematic diagram；
Fig. 4 is the cross section of the embodiment of the present invention a kind of underground coal mine exogenous fire small size simulated experiment platform
Schematic diagram；
Fig. 5 is adhesive tape fortune in embodiment of the present invention one underground coal mine exogenous fire small size simulated experiment platform
Defeated supporting construction schematic diagram.
In figure: 1-motor；2-drive roll；3-conveyer belt；4-support；5-carrying roller；6-follower rollers；
7-blower fan；8-anemometer；9-lifting support；10-distributed optical fiber temperature measurement circuit；11-subject frame
Frame；12-ion smoke detector；13-heat flow transducer；14-flue gas analyzer；15-thermal infrared imager；
16-computer；A2-adhesive tape sample；B1-steel construction side plate；B2-devitrified glass side plate；C2-carrying roller rotates
Parts；C3-roller center shaft；C5-fixes nut.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out
Further describe.Should be appreciated that specific embodiment described herein only in order to explain the present invention,
It is not intended to limit the present invention.
As Figure 1-Figure 5, a kind of underground coal mine exogenous fire small size mould is embodiments provided
Draft experiment platform, including tunnel 11 and supporting TT&C system, described supporting TT&C system includes that flue-gas temperature is adopted
Collecting system, heat loss measure system, flue gas measures warning system, force ventilation smoke evacuation system and flue gas flow field
Display system, described flue-gas temperature acquisition system includes the distributed optical fiber temperature measurement being arranged in tunnel 11
Circuit 10 and the thermal infrared imager 15 being arranged at the one end open of simulation tunnel 11；Described distribution type fiber-optic
Thermometric circuit 10 is evenly distributed on the internal side position to the left in tunnel and arranges between 10 each points for measuring temperature of point for measuring temperature
Being divided into 1m, distributed optical fiber temperature measurement circuit 10 is connected with computer 16, can temperature variations be imported
In computer, described thermal infrared imager is arranged on the tunnel right-hand member top by power set；Described heat loss
Measurement system includes the heat flow transducer 13 being arranged in tunnel 11, and described heat flow transducer is arranged on tunnel
Bosom position；Described flue gas is measured flue gas analyzer in warning system includes being arranged on tunnel 11 and is surveyed
Point 14, electrochemical gas composition measurement probe and the data processing equipment being connected with its signal of telecommunication, ion sense
Cigarette detecting alarm 12, the quantity of ionic smoke sensor detecting alarm 12 is three, is separately positioned on tunnel left
Right two end points and centre position, tunnel；It is another that described force ventilation smoke evacuation system includes being arranged in tunnel 11
The CYUF-315 profile shaft flow fan 7 of one end open, air quantity regulation leaf window and anemobiagraph 8, air quantity regulation leaf window
It is arranged on outside blower fan, is shaped as arc, by the retaining wall outside rotating, regulate the size of air quantity, lane
In road design smoke evacuation wind speed in 0.6-0.8m/s scope, fan speed regulation range restraint between 0-0.8m/s,
Anemobiagraph is arranged on the internal left position in tunnel；It is right that described flue gas flow field display system includes being arranged in tunnel
The Nikon D7100 video camera that flue gas flow field is recorded of end, energy captured in real-time flue gas flow field, more preferably see
Examine Regularity of Smoke Movement, some lifting supports 9, the base plate in tunnel 11 are installed below the base plate in tunnel 11
On be provided with drive roll 2 and the follower rollers 6 of power set 1, described power set 1 are
5IK120RGN-CF converter regulation motor, is arranged on laboratory table main body right-hand member, passes through with drive roll
Stainless steel chain connects, and running for cylinder provides power, is provided with between drive roll 2, follower rollers 6
Conveyer belt 3, is provided with some carrying rollers 5 by support 4 below conveyer belt 3.
Described tunnel 11 is by a devitrified glass side plate b2, a steel construction side plate b1, base plate, tunnel framework
Building, base plate, tunnel framework use angle steel to build, and use close between devitrified glass side plate and angle steel
Sealing encapsulation process, its heatproof, up to 1000 DEG C, is easy to observe fire and smoke condition in tunnel meeting
While, approximation tunnel is rectangular-shaped to keep its geometric similarity；The glue of long 10m width 0.4m is set in base plate
Band transport structure.
It is additionally provided with fuel and burning things which may cause a fire disaster in described tunnel 11.
Described lifting support 9 uses stainless steel.
Described lifting support 9 can arrange the different inclination angle of-8^ ° to 8^ ° and test.
Described conveyer belt uses adhesive tape, and adhesive tape is mining flame-retardant adhesive tape DT II-1000/30, and described fuel is
It is arranged on the adhesive tape sample a2 of adhesive tape right end position, it is possible to for cable, electrical equipment sample etc., described burning things which may cause a fire disaster is
Tiny coal cinder, it is possible to for electric arc, electric spark etc., specimen size is 0.1m × 0.1m, is pasted by seccotine
On conveyor belt, and with tape movement, igniting adhesive tape by lighting coal pieces, adhesive tape volume when burning is inhaled
Air, the buoyancy of generation orders about flue gas and flows in laboratory table, can the most clearly simulated fire cigarette
Gas spreads situation in tunnel.
The long 11m of agent structure of described laboratory table, wherein tunnel experiment segment length 10m, wide 0.6m, a height of
0.6m.Experimental system uses sectional design, in order to dismantles, move and installs, and each section of junction uses close
Sealing connects its air-tightness of guarantee.
Originally it is embodied as comprising the steps: when using
S1, experiment carry out before first by various types of materials such as: tiny coal cinder, electronic scale, alcohol burner and record
The paper pens of data etc. on deck, are arranged on conveying arrangement after adhesive tape is first measured weighing, thus by dynamic
Power apparatus drives drive roll to rotate, and drives conveyer belt 3 to deliver fuel and runs in tunnel with certain speed,
Measure the fuel combustion situation in transportation；
S2, by optical fiber temperature-measurement circuit 10, ion smoke detector 12, heat flow transducer 13, flue gas analysis
Instrument measuring point 14, thermal infrared imager 15 are arranged on appointment position, such that it is able to when accurately measuring fuel combustion
The situations such as temperature variations, heat loss situation and smoke components concentration, to underground coal mine exogenous fire
Flue gas, the control of temperature, detection and the design of suppression system system and test evaluation research have wide should
By prospect and highly important actual directive significance；
S3, then according to experimental conditions adjust 9 lifting supports adjust experiment inclination angle, will ignite with alcohol burner
Coal cinder put in the adhesive tape sample on adhesive tape 3, light adhesive tape sample, after tiny coal cinder ignites adhesive tape,
Open all kinds of detector to start to detect Various types of data, open power set 1 simultaneously, allow conveyer belt 3 with necessarily
Speed run；
S4, can consider whether to need to open force ventilation smoke extractor according to experimental conditions, open blower fan and not
Open two kinds of situations of blower fan and can contrast to obtain the blowing machine effect to down-hole smoke evacuation Tobacco Control, start to simulate lane, down-hole
The fire condition in road；
S4, start simulation after, fire condition and cigarette in tunnel can be observed by devitrified glass side plate b2
Flow of air situation, wants time, flue gas analyzer 14 that accurate recording ion smoke detector 12 reports to the police simultaneously
The smoke components measured and its concentration, distributed optical fiber temperature measurement circuit 10 and infrared thermoviewer 15 are measured
Wind speed corresponding to temperature real-time change situation, blower fan 7 and air quantity, start and adhesive tape runs to lane in experiment
To its Taking Pictures recording when midpoint, road and end；Switch power set to make when adhesive tape runs to tunnel opposite side
Adhesive tape inversely returns to starting point with the operating of identical speed, completes the most complete experiment；
After S5, experiment terminate, close motor, all kinds of detector, adhesive tape is unloaded, again weighs
The quality of adhesive tape record.
The above is only the preferred embodiment of the present invention, it is noted that common for the art
For technical staff, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a underground coal mine exogenous fire small size simulated experiment platform, it is characterised in that include tunnel (11)
With supporting TT&C system, described supporting TT&C system include flue-gas temperature acquisition system, heat loss measure system,
Flue gas measures warning system, force ventilation smoke evacuation system and flue gas flow field display system, described flue-gas temperature
Acquisition system includes the distributed optical fiber temperature measurement circuit (10) being arranged in tunnel (11) and is arranged on simulation
Thermal infrared imager (15) at tunnel (11) one end open；Described distributed optical fiber temperature measurement circuit (10)
It is evenly distributed on the internal side position to the left in tunnel to arrange 10 each points for measuring temperature of point for measuring temperature and be spaced apart 1m, point
Cloth optical fiber temperature-measurement circuit (10) is connected with computer, can import in computer by temperature variations, institute
State thermal infrared imager and be arranged on the tunnel right-hand member top by power set；Described heat loss is measured system and is included
The heat flow transducer (13) being arranged in tunnel (11), described heat flow transducer is arranged in inside, tunnel
Between position；Described flue gas is measured warning system and is included being arranged on tunnel (11) interior flue gas analyzer measuring point
(14), electrochemical gas composition measurement probe and the data processing equipment being connected with its signal of telecommunication, ion sense
Cigarette detecting alarm (12), the quantity of ionic smoke sensor detecting alarm (12) is three, is separately positioned on
Two end points and centre position, tunnel about tunnel；Described force ventilation smoke evacuation system includes being arranged in tunnel
(11) blower fan (7) of other end opening, air quantity regulation leaf window and anemobiagraph (8), air quantity regulation leaf window sets
Put outside blower fan, be shaped as arc, by the retaining wall outside rotating, regulate the size of air quantity, tunnel
Middle design smoke evacuation wind speed in 0.6-0.8m/s scope, fan speed regulation range restraint between 0-0.8m/s, wind
Speed instrument is arranged on the internal left position in tunnel；Described flue gas flow field display system includes being arranged in tunnel right-hand member
The Nikon D7100 video camera that flue gas flow field is recorded；Tunnel (11) if base plate below be provided with
Dry lifting support (9), the base plate of tunnel (11) is provided with the drive roll (2) of power set (1)
With follower rollers (6), described power set (1) are that 5IK120RGN-CF converter regulates motor,
Being provided with conveyer belt (3) between drive roll (2), follower rollers (6), conveyer belt (3) lower section is passed through
Support (4) is provided with some carrying rollers (5).
A kind of underground coal mine exogenous fire small size simulated experiment platform the most according to claim 1, its
Being characterised by, described tunnel (11) are by a devitrified glass side plate (b2), a steel construction side plate (b1), the end
Plate, tunnel framework build, and base plate, tunnel framework use angle steel to build, and devitrified glass side plate and angle
Sealant sealing is used to process between steel.
A kind of underground coal mine exogenous fire small size simulated experiment platform the most according to claim 1, its
Being characterised by, described tunnel is additionally provided with fuel and burning things which may cause a fire disaster in (11).
A kind of underground coal mine exogenous fire small size simulated experiment platform the most according to claim 1, its
Being characterised by, described lifting support (9) uses stainless steel.
A kind of underground coal mine exogenous fire small size simulated experiment platform the most according to claim 1, its
Being characterised by, described lifting support (9) can arrange the different inclination angle of-8^ ° to 8^ ° and test.
A kind of underground coal mine exogenous fire small size simulated experiment platform the most according to claim 1, its
Being characterised by, described conveyer belt uses adhesive tape, and adhesive tape is mining flame-retardant adhesive tape, and described fuel is for being arranged on glue
With the adhesive tape sample of right end position, described burning things which may cause a fire disaster is tiny coal cinder；Specimen size is 0.1m × 0.1m, passes through
Seccotine is pasted onto on conveyer belt, and with tape movement.
Priority Applications (1)
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