CN106444671A - Multi-parameter spatio-temporal evolution analysis experiment table for mine thermal power disasters - Google Patents
Multi-parameter spatio-temporal evolution analysis experiment table for mine thermal power disasters Download PDFInfo
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- 238000002474 experimental method Methods 0.000 title claims abstract description 41
- 238000004458 analytical method Methods 0.000 title claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 53
- 238000005065 mining Methods 0.000 claims abstract description 24
- 239000004509 smoke generator Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 67
- 230000006854 communication Effects 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 31
- 239000003546 flue gas Substances 0.000 claims description 27
- 238000009423 ventilation Methods 0.000 claims description 18
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- 238000012360 testing method Methods 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
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- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
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Abstract
The invention discloses a multi-parameter spatio-temporal evolution analysis experiment table for mine thermal power disasters, and the experiment table comprises an experiment table device and an experiment control terminal. The experiment table device comprises an experiment skeleton, a pile supporting platform, and a tunnel simulation module. The tunnel simulation module is provided with a switching valve, a fan, and an execution mechanism. The interior of the tunnel simulation module is provided with a disaster detection mechanism, and the disaster detection mechanism comprises a housing and a sensor module disposed on the housing. The housing is provided with an electrode probe group. The tunnel simulation module comprises a simulation main shaft tunnel, a simulation auxiliary shaft tunnel, a simulation mining region tunnel, a main return tunnel, a transportation big tunnel, and a connection tunnel. The execution mechanism comprises a conveying pipe, a smoke generator, a high-pressure air bottle, and a heater. The pile supporting platform comprises a plurality of supporting piles. The experiment control terminal comprises an operation host and a data collector, and the output end of the operation host is connected with a relay and a holder drive module. The experiment table is accurate in simulation of thermal power disasters of the whole mine, and is good in effect of experiment analysis of multi-parameter spatio-temporal evolution.
Description
Technical field
The invention belongs to mine heat power disaster simulation technical field is and in particular to a kind of mine heat power disaster multi-parameter
Temporal-spatial evolution analyzing experiment table.
Background technology
The generation evolution mechanism of colliery heat power disaster is extremely complex, have sudden strong, the condition of a disaster quickly grows, personnel hinder
Die and property loss is huge, the disaster relief is difficult, the features such as easily cause secondary injury.In rescue operations, underground coal mine may
There are multiple secondary disasters, the high temperature naked light that for example disaster produces may block the route in disaster relief personnel discrepancy disaster area at any time,
And cause disaster area ventilation disorderly so that disaster area environment extremely unstable, at any time it may happen that gas explosion.Meanwhile,
Substantially increase the ambiguity of the condition of a disaster and hardly possible is predictive so that rescue decision-making is very crucial, but difficulty is again greatly.Therefore, lead to
During crossing research mine heat power disaster assistance, the physical quantity such as temperature, gas composition in down-hole disaster area and connected regions tunnel
Time dependent process, grasps temperature field, the temporal and spatial evolution of gas composition field in the range of full mine, judges high warm
Evil, naked light, Secondary cases gas explosion may exist or the position involved and time, commanding and decision-making person is formulated in time science,
Rational rescue method has important theory directive significance.
However, due to the particularity of heat power disaster, the temporal-spatial evolution to colliery heat power disaster multi-parameter for the existing research
How rule is carried out using the means of numerical simulation.In terms of experiment, not yet set up special full-scale experiment mine and big
Type physical similarity experimental bench, simply studies a less region (as single working face or a bit of tunnel) of mine mostly
The communication process of interior disaster, the therefore research in terms of the heat power disaster multi-parameter temporal and spatial evolution in the range of full mine have
Larger deficiency.
Content of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, provides a kind of mine heat dynamic
Power disaster multi-parameter temporal-spatial evolution analyzing experiment table, it is novel in design rationally, according to the tunnel actual arrangement situation of concrete mine
With ventilation situation, multiple difference ventilations can be tested, under position that different disaster occurs, heat power disaster produces change in time and space mistake
Journey, has reference and guiding function, is easy to promote the use of.
For solving above-mentioned technical problem, the technical solution used in the present invention is：Mine heat power disaster multi-parameter space-time is drilled
Change analyzing experiment table it is characterised in that：Including for simulating the experimental bench device of mine heat power disaster and to described experimental bench
The multi-parameter that device produces carries out the experiment control terminal of temporal-spatial evolution analysis, described experimental bench device include experimental bench skeleton,
It is arranged on the intraskeletal pile framing of experimental bench and the tunnel analog module being arranged on described pile framing, described tunnel analog module
On be provided with and simulate the switch valve of mine laneway air door simultaneously, be used for simulating mine ventilation facility for simulating mine degree of caving in
Blower fan and for simulate mine heat power disaster generation executing agency, be provided with for gathering in the analog module of described tunnel
The disaster testing agency of mine heat power disaster parameter, described disaster testing agency includes shell and arranges on the housing
Sensor cluster, described shell is provided with electrode needle group, and electrode needle group includes two electrode needle being mounted opposite, and disaster detects
The quantity of mechanism and switch valve is multiple；
Described tunnel analog module include simulate main shaft tunnel with simulation main shaft tunnel parallel simulation auxiliary shaft tunnel,
For simulate the simulation mining roadway of mining region and the described main return aircourse that is connected of simulation mining roadway and with described simulation
The coplanar and intersecting main haulage roadway road of mining roadway, simulation main shaft tunnel, simulation auxiliary shaft tunnel, main return aircourse, described simulation
Mining roadway and main haulage roadway road are interconnected by connection roadway；Described simulation mining roadway includes roadway workface, work
Face return aircourse and working face intake, main haulage roadway road parallel with roadway workface setting and with tailentry road
All intersecting with described working face intake, the quantity in main haulage roadway road is multiple, and assembling is on main return aircourse；
Executing agency includes having the delivery pipe of two input pipes and an efferent duct, is arranged on one input pipe of delivery pipe
On smoke generator, be arranged on another input pipe of delivery pipe and for simulating the gas cylinder in gas source and be arranged on defeated
Send the heater on pipe efferent duct；
Described pile framing includes multiple stakes, and a stake includes telescope support, the head being arranged on telescope support and installation
Head is used for lock the snap collar of tunnel analog module；
Described experiment control terminal includes operating main frame and adopts for processing described sensor cluster with operating main frame to connect
The data acquisition unit of collection data, the output of operation main frame is terminated with being energized for coordination electrode pin group and produces the relay of electric arc heat release
Device and the head drive module adjusting orientation for cloud platform rotation, the quantity of head drive module be multiple and with multiple heads one
One is corresponding, and blower fan, switch valve, smoke generator and gas cylinder are all connected with the output end of operation main frame and by operation main frame control
System.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described simulation main shaft
Tunnel, simulation auxiliary shaft tunnel, main return aircourse, described simulation mining roadway, main haulage roadway road and connection roadway are by multiple sections
Pipe is spliced, and is all connected by snap joint between multiple section pipes, and described section pipe is high temperature resistant antiknock steel pipe.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described operation main frame
Connected with data acquisition unit by communication module, described communication module include the first communication module connecting with data acquisition unit and
The second communication module connecting with operation main frame, first communication module and second communication module are wire communication module or wireless
Communication module.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described sensor group
Part includes perceiving the pressure sensor of described tunnel analog module internal gas pressure, detects described tunnel analog module composition of gases within
Gas sensor, detect in described tunnel analog module the air velocity transducer of wind speed and perceive temperature in the analog module of described tunnel
The temperature sensor of parameter, described gas sensor includes firedamp sensor, oxygen sensor, carbon monoxide transducer and dioxy
Change carbon sensor.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described delivery pipe
On one input pipe and be located at smoke generator output end be provided with flue gas flow meter and flue gas switch, described delivery pipe another
On one input pipe and be located at the output end of gas cylinder Gas-Flow gauge and depressurization gas valve be installed, described delivery pipe defeated
In outlet pipe and be located at heater output end mass flow meters are installed.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described experimental bench bone
Frame is cube steelframe.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described pile framing is also
The pile foundation installed including multiple confession telescope supports, the quantity of described pile foundation is more than the quantity of telescope support.
Above-mentioned mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Described telescope support
Side wall on multiple installing holes for fixing head are disposed with along along the length direction of telescope support.
The present invention compared with prior art has advantages below：
1st, the present invention adopts multiple stakes to form pile framing, and wherein, each stake in pile framing is all using telescope support
The form of head is installed, is freely rotatable the inclination angle adjusting tunnel analog module and position, simulate real mine coal seam tunnel
Environment, tunnel analog module is all fixed by each stake using snap collar, is easy to promote the use of.
2nd, the present invention length in processing and fabricating every class tunnel and diameter according to a certain percentage, splices tunnel using section pipe, often
Class tunnel is all connected in the way of snap joint, and air-tightness is good；Switch valve is installed on the analog module of tunnel, is opened by controlling
Close valve opening and simulate the different degree of caving in tunnel, control simple, reliable and stable, using effect is good.
3rd, the present invention adjusts the total ventilation of mine by controlling fan operation to adjust rotation speed of the fan, determines that mine is always divulged information
The impact to heat power disaster for the amount；By controlling smoke generator combustion adjustment flue gas output quantity and output temperature, determine certain
The impact to heat power disaster for the exhaust gas volumn of temperature；Gas cylinder combustion adjustment gas output quantity is controlled by depressurization gas valve,
Heated up by the gas that heater is output, determine the impact to heat power disaster of the gas amount of uniform temperature；Flue gas and gas
All using electrically heated mode, can quickly improve simulated flue gas and the temperature of simulation gas, tunnel is detected using sensor cluster
The multiple key parameter of analog module, in order to ensure the stability of information transfer and the reliability that gather, all the sensors collect
Information will be real-time transmitted to operation main frame by way of wirelessly or non-wirelessly, realize multiple after simulation heat power disaster occurs can
Full mine heat power disaster multi-parameter change in time and space process in the case of energy.
4th, the present invention is novel in design rationally, the actual roadway layout according to a certain mine and ventilation situation, according to certain than
Example is built, and more presses close to true tunnel and catastrophic condition, is built according to a certain percentage using physical similarity principle, more presses close to true
Real tunnel and catastrophic condition, the communication process for disaster in mine does monitor in real time, obtains authentic data, and can be by operation
Main frame carries out data analysis, more scientifically and accurately grasp multiple in the case of in the range of full mine heat power disaster multi-parameter when
Empty Evolution, analysis result has to the development of the prevention of mine heat power disaster, the establishment of emergency preplan and rescue work
Reference and directive significance, are easy to promote the use of well.
5th, the free degree of the present invention is good, strong modularity, build freedom and convenient disassembly, experimental data automatic data collection, transmission and
Storage, high degree of automation, simple to operate, practical, there is preferable promotional value.
In sum, the present invention is novel in design rationally, the tunnel actual arrangement situation according to concrete mine and ventilation situation,
Multiple difference ventilations can be tested, under position that different disaster occurs, heat power disaster produces change in time and space process, has reference
And guiding function, it is easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Fig. 1 is the structural representation of experimental bench device of the present invention.
Fig. 2 props up the structural representation of stake for the present invention.
Fig. 3 is the structural representation of executing agency of the present invention.
Fig. 4 is experiment control terminal of the present invention, disaster testing agency, electrode needle group, blower fan, switch valve, smoke generator
Circuit connecting relation schematic diagram with gas cylinder.
Description of reference numerals:
1 experimental bench skeleton；2 stakes；2-1 telescope support；
2-2 installing hole；2-3 head；2-4 snap collar；
2-5 head drive module；3-1 roadway workface；3-2 tailentry road；
3-3 simulates auxiliary shaft tunnel；3-4 simulates main shaft tunnel；3-5 main haulage roadway road；
3-6 snap joint；3-7 connection roadway；The main return aircourse of 3-8；
4 disaster testing agencies；4-1 pressure sensor；4-2 gas sensor；
4-3 air velocity transducer；4-4 temperature sensor；5 blower fans；
6 switch valves；7 executing agencies；7-1 delivery pipe；
7-2 smoke generator；7-3 flue gas flow meter；7-4 flue gas switchs；
7-5 heater；7-6 mass flow meters；7-7 gas cylinder；
7-8 Gas-Flow gauge；7-9 depressurization gas valve；8 data acquisition units；
9 first communication modules；10 second communication modules；11 operation main frames；
12 power modules；13 relays；14 electrode needle groups.
Specific embodiment
As shown in Figures 1 to 4, the present invention includes experimental bench device for simulating mine heat power disaster and to described reality
The multi-parameter testing table apparatus generation carries out the experiment control terminal of temporal-spatial evolution analysis, and described experimental bench device includes experimental bench bone
Frame 1, the pile framing being arranged in experimental bench skeleton 1 and the tunnel analog module being arranged on described pile framing, described tunnel mould
Intend being provided with module and simulate the switch valve 6 of mine laneway air door simultaneously, be used for simulating mine for simulating mine degree of caving in
The blower fan 5 of ventilation equipment and the executing agency 7 for simulating the generation of mine heat power disaster, setting in the analog module of described tunnel
There is the disaster testing agency 4 for gathering mine heat power disaster parameter, described disaster testing agency 4 includes shell and is arranged on
Sensor cluster on described shell, described shell is provided with electrode needle group 14, and electrode needle group 14 includes two and is mounted opposite
Electrode needle, the quantity of disaster testing agency 4 and switch valve 6 is multiple；
Described experiment control terminal is included operating main frame 11 and is connected for processing described sensor group with operation main frame 11
The data acquisition unit 8 of part gathered data, the output of operation main frame 11 is terminated with being energized for coordination electrode pin group 14 and produces electric arc
The relay 13 of heat release and head drive module 2-5 rotating regulation orientation for head 2-3, the number of head drive module 2-5
Measure for multiple and with multiple head 2-3 correspond, blower fan 5, switch valve 6, smoke generator 7-2 and gas cylinder 7-7 all with
The output end of operation main frame 11 connects and is controlled by operation main frame 11；
Described pile framing includes multiple stakes 2, and a stake 2 includes telescope support 2-1, the cloud being arranged on telescope support 2-1
Platform 2-3 is used for locking snap collar 2-4 of tunnel analog module with being arranged on head 2-3；
In the present embodiment, described experimental bench skeleton 1 is cube steelframe.
As shown in figure 1, in the present embodiment, described pile framing also includes the pile foundation that multiple confession telescope support 2-1 install, described
The quantity of pile foundation is more than the quantity of telescope support 2-1.
As shown in Fig. 2 in the present embodiment, on the side wall of described telescope support 2-1 along along the length direction of telescope support 2-1
It is disposed with multiple installing hole 2-2 for fixing head 2-3.
In the present embodiment, array pile foundation is set in cube steelframe inner bottom part, is used for fixing telescope support 2-1, actual
Using the actual environment according to a certain mine, investigate its coal seam, orientation, inclination angle and scale, select suitable pile foundation position peace
Dress telescope support 2-1, easy for installation, dismounting is convenient, reusable, adjusts each telescope support according to the situation of actual mine
The height of 2-1 simultaneously adjusts, by experiment control terminal, the head anglec of rotation being arranged on telescope support 2-1, realizes simulation coal seam
The adjustment of the inclination in tunnel, wherein, installing hole 2-2 is easy to head 2-3 and is fixed, snap collar 2-4 locking tunnel analog module.
As shown in figure 4, in the present embodiment, described sensor cluster includes perceiving the pressure of described tunnel analog module internal gas pressure
Mould is simulated in force snesor 4-1, the gas sensor 4-2 detecting described tunnel analog module composition of gases within, the described tunnel of detection
The air velocity transducer 4-3 of the wind speed and temperature sensor 4-4 perceiving temperature parameter in the analog module of described tunnel, described gas in block
Body sensor 4-2 includes firedamp sensor, oxygen sensor, carbon monoxide transducer and carbon dioxide sensor.
In the present embodiment, in described tunnel analog module many places, disaster testing agency 4 is installed and is used for detecting described tunnel mould
Intend the gas of diverse location, the real-time concentration of oxygen, carbon monoxide and carbon dioxide, and described tunnel analog module in module
The ventilation of interior diverse location, temperature and gas pressure, can complete the multiple physics of heat power disaster to different key positions
The real-time monitoring of amount, for actual mine laneway, colliery rescue code regulation, non-when tunnel air themperature is more than 65 DEG C
Rescue team member is forbidden to enter disaster area in the case of rescuing people；In the air of real-time detection tunnel, whether gas and oxygen concentration reach blast pole
The situation of limit scope, reaches explosion limit when the mixed gas reaching gas and oxygen concentration in the air of tunnel reach explosion limit
When, operation main frame 11 can control relay 13 and trips, and the module that switches on power 12 is powered for electrode needle group 14, and electrode needle group 14 is two
The individual electrode needle being mounted opposite, two electrode needle being mounted opposite adopt the principle of point discharge, produce electric arc, cause Secondary cases
Gas explosion mine heat power disaster, gathers described tunnel analog module many places parameter, root by multiple described sensor clusters
Judge, according to the sampling time, the position that Secondary cases gas explosion mine heat power disaster occurs, and obtain each gas concentration parameters.
Described tunnel analog module includes simulating the simulation auxiliary shaft that main shaft tunnel 3-4 is paralleled with simulation main shaft tunnel 3-4
Tunnel 3-3, for simulating the simulation mining roadway of mining region and the described simulation main return aircourse 3-8 that is connected of mining roadway
And simulate the main haulage roadway road 3-5 that mining roadway is coplanar and intersects, simulation main shaft tunnel 3-4, simulation auxiliary shaft tunnel 3- with described
3rd, main return aircourse 3-8, described simulation mining roadway and main haulage roadway road 3-5 are interconnected by connection roadway 3-7；Described mould
Intend mining roadway and include roadway workface 3-1, tailentry road 3-2 and working face intake, main haulage roadway road 3-5 with
Roadway workface 3-1 is parallel to be arranged and is all intersected with tailentry road 3-2 and described working face intake, and transport is big
The quantity of tunnel 3-5 is multiple, and blower fan 5 is arranged on main return aircourse 3-8；
In the present embodiment, exploiting field length is determined according to actual mine, select suitable roadway workface 3-1 length, work
Face return aircourse 3-2 length and working face intake length, if exploiting field length is long can arrange multiple transports on exploiting field greatly
Tunnel 3-5, simulation main shaft tunnel 3-4, simulation auxiliary shaft tunnel 3-3, main return aircourse 3-8, described simulation mining roadway, transport are big
Tunnel 3-5 and connection roadway 3-7 is all supported by multiple stakes 2 and fixes；Blower fan 5, blower fan 5 are installed on main return aircourse 3-8
Using axle stream exhaust ventilation machine, for simulating the chief ventilators of true mine, this assembling has speed changer, adjusting
Fan rotating speed to adjust air quantity；The adjustable angle of the flabellum of this blower fan, the negative pressure wind supply quantity of achievable blower fan；By speed changer and fan
The dual regulation of leaf, can increase the scope that the stability of fan operation and negative pressure air quantity are adjusted effectively, actually used in, lead to
Cross change fan delivery can with the ventilation situation under the different degrees of damaged condition of simulates blower fan to mine heat power disaster generation after
The impact bringing.
In the present embodiment, by main return aircourse 3-8, described simulation mining roadway, main haulage roadway road 3-5 and connection roadway
Switch valve 6 is respectively mounted on road 3-7, the position of Simultaneous Switching valve 6 can change, various location tunnel can be simulated because in various degree
The situation of ventilation change caved in and cause and the impact that brings after mine heat power disaster is occurred.
It should be noted that the blower fan 5 in this experimental bench also can be inverted by operating the control of main frame 11, invert wind
The direction of rotation of the ventilation flabellum of machine 5, achievable malleation forced ventilation, simulate the ventilation situation of such mine, complete function.
In actually used, switch valve 6 can be used for simulating mine degree of caving in simulates mine laneway air door, according to reality simultaneously
The ventilating system of the ventilation routes situation regulation experiment platform of mine, switch valve 6 also can adopt Non-follow control, when do not need realize from
During the work of dynamic controlling switch valve 6, can the control to switch valve 6 for the opening operation main frame 11, using manually controlling each switch
The aperture of valve 6, simulation mine caves in degree, the ventilating system of regulation experiment platform.
As shown in figure 1, in the present embodiment, described simulation main shaft tunnel 3-4, simulation auxiliary shaft tunnel 3-3, main return aircourse 3-
8th, described simulation mining roadway, main haulage roadway road 3-5 and connection roadway 3-7 are spliced by multiple section pipes, multiple section pipes
Between all connected by snap joint 3-6, described section pipe be high temperature resistant antiknock steel pipe.
In the present embodiment, all connected it is ensured that the gas of described tunnel analog module by snap joint 3-6 between multiple section pipes
Close property is good.
Executing agency 7 includes having delivery pipe 7-1 of two input pipes and an efferent duct, is arranged on delivery pipe 7-1 mono-
Smoke generator 7-2 on individual input pipe, it is arranged on another input pipe of delivery pipe 7-1 and for simulating the high pressure in gas source
The gas cylinder 7-7 and heater 7-5 being arranged on delivery pipe 7-1 efferent duct；
As shown in figure 3, in the present embodiment, on an input pipe of described delivery pipe 7-1 and positioned at smoke generator 7-2's
Output end is provided with flue gas flow meter 7-3 and flue gas switch 7-4, on another input pipe of described delivery pipe 7-1 and positioned at height
The output end of air bottle 7-7 is provided with Gas-Flow gauge 7-8 and depressurization gas valve 7-9, on the efferent duct of described delivery pipe 7-1 and
Positioned at the output end of heater 7-5, mass flow meters 7-6 is installed.
In the present embodiment, the position of executing agency 7 is optional, is simulated to described tunnel by determining the position of executing agency 7
Module pours in gas or flue gas, wherein, can be switched by flue gas and pour in cigarette in the selective selection of 7-4 and depressurization gas valve 7-9
Gas or gas or pour in flue gas and gas, when single when pouring in flue gas, open flue gas switch 7-4, closed gas subtract simultaneously
Pressure valve 7-9, records the exhaust gas volumn of smoke generator 7-2 output by flue gas flow meter 7-3, can control cigarette by operating main frame 11
Gas generator 7-2 friction speed is gushed out the situation of flue gas, by whether using heater 7-5 to flue gas, can simulate
The change in time and space process of the heat power disaster multi-parameter under source fire and passive fire condition, active fire continues for having after catastrophe
Burning things which may cause a fire disaster exists, and persistently produces fuel factor and the situation of flue gas, using heater 7-5 persistently to analogue active fire during flue gas
Situation about occurring, there is not lasting burning things which may cause a fire disaster for after catastrophe in passive fire, the situation not having fuel factor and continuing flue gas；
When single when pouring in gas, open depressurization gas valve 7-9, close flue gas switch 7-4, by Gas-Flow gauge 7-
The gas amount of 8 record flue gas flow meter 7-3 outputs, can control flue gas flow meter 7-3 friction speed to gush out by operating main frame 11
The situation of gas, by whether being heated to gas using heater 7-5, can be with analogue active fire and passive fire condition
The change in time and space process of heat power disaster multi-parameter；
When pouring in flue gas and gas simultaneously, open depressurization gas valve 7-9 and flue gas switch 7-4, by mass flow meters 7-6
Whether using heater 7-5, can be with the space-time of the heat power disaster multi-parameter under analogue active fire and passive fire condition
Change procedure.
As shown in figure 4, in the present embodiment, described operation main frame 11 is connected with data acquisition unit 8 by communication module, described
Communication module includes the first communication module 9 connecting with data acquisition unit 8 and the second communication module connecting with operation main frame 11
10, first communication module 9 and second communication module 10 are wire communication module or wireless communication module.
When the present invention uses, when first communication module 9 and second communication module 10 are all using wire communication module, data
Transmission is stable, various location heat power disaster multi-parameter process over time in operation main frame 11 record simulation tunnel,
Realize the analysis of multi-parameter Spatio-temporal Evolution；When first communication module 9 and second communication module 10 are all using wireless communication module, cloth
Line is simple, and data transfer is convenient, and operation main frame 11 records the space-time process over time of heat power disaster multi-parameter simultaneously,
Realize the analysis of multi-parameter Spatio-temporal Evolution, analysis result is to the prevention of mine heat power disaster, the establishment of emergency preplan and rescue work
The development made has good reference and directive significance.
The above, be only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (8)
1. mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table it is characterised in that：Including dynamic for simulating mine heat
The experimental bench device of power disaster and the multi-parameter that described experimental bench device is produced carry out the experiment control of temporal-spatial evolution analysis eventually
End, described experimental bench device includes experimental bench skeleton (1), the pile framing being arranged in experimental bench skeleton (1) and is arranged on described
Tunnel analog module on pile framing, described tunnel analog module is provided with and simulates ore deposit for simulating mine degree of caving in simultaneously
The switch valve (6) of well alley way air door, for simulating the blower fan (5) of mine ventilation facility and being used for simulating mine heat power disaster and send out
Raw executing agency (7), is provided with the analog module of described tunnel and detects for the disaster gathering mine heat power disaster parameter
Mechanism (4), described disaster testing agency (4) includes shell and setting sensor cluster on the housing, on described shell
Electrode needle group (14) is installed, electrode needle group (14) includes two electrode needle being mounted opposite, disaster testing agency (4) and switch
The quantity of valve (6) is multiple；
Described tunnel analog module includes simulating the simulation auxiliary shaft paralleled in main shaft tunnel (3-4) with simulation main shaft tunnel (3-4)
Tunnel (3-3), for simulating the simulation mining roadway of mining region and the described main return aircourse that is connected of simulation mining roadway
(3-8) and with described simulate the main haulage roadway road (3-5) that mining roadway is coplanar and intersects, simulation main shaft tunnel (3-4), simulation are secondary
Roadway road (3-3), main return aircourse (3-8), described simulation mining roadway and main haulage roadway road (3-5) pass through connection roadway (3-
7) it is interconnected；Described simulation mining roadway includes roadway workface (3-1), tailentry road (3-2) and working face and enters
Air way road, main haulage roadway road (3-5) parallel with roadway workface (3-1) setting and with tailentry road (3-2) and institute
State that working face intake is all intersecting, the quantity of main haulage roadway road (3-5) is multiple, and blower fan (5) is arranged on main return aircourse (3-
8) on；
Executing agency (7) includes having the delivery pipe (7-1) of two input pipes and an efferent duct, is arranged on delivery pipe (7-1)
Smoke generator (7-2) on one input pipe, it is arranged on delivery pipe (7-1) another input pipe and is used for simulating gas source
Gas cylinder (7-7) and the heater (7-5) being arranged on delivery pipe (7-1) efferent duct；
Described pile framing includes multiple stakes (2), and a stake (2) includes telescope support (2-1), is arranged on telescope support (2-1)
Head (2-3) and be arranged on that head (2-3) is upper to be used for locking the snap collar (2-4) of tunnel analog module；
Described experiment control terminal is included operating main frame (11) and is connected for processing described sensor group with operation main frame (11)
The data acquisition unit (8) of part gathered data, the output of operation main frame (11) is terminated with being energized for coordination electrode pin group (14) and produces
The relay (13) of raw electric arc heat release and the head drive module (2-5) rotating regulation orientation for head (2-3), head drives
The quantity of module (2-5) is multiple and is corresponded with multiple heads (2-3), blower fan (5), switch valve (6), smoke generator
(7-2) all connect with the output end of operation main frame (11) and controlled by operation main frame (11) with gas cylinder (7-7).
2. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 1 it is characterised in that：Institute
State simulation main shaft tunnel (3-4), simulation auxiliary shaft tunnel (3-3), main return aircourse (3-8), described simulation mining roadway, transport greatly
Tunnel (3-5) and connection roadway (3-7) are spliced by multiple section pipes, all by snap joint (3-6) between multiple section pipes
Connect, described section pipe is high temperature resistant antiknock steel pipe.
3., according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 1 or 2, its feature exists
In：Described operation main frame (11) is connected with data acquisition unit (8) by communication module, and described communication module includes and data acquisition
First communication module (9) and the second communication module (10) connecting with operation main frame (11) that device (8) connects, first communication module
And second communication module (10) is wire communication module or wireless communication module (9).
4. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 3 it is characterised in that：Institute
State sensor cluster and include perceiving the pressure sensor (4-1) of described tunnel analog module internal gas pressure, the simulation of detection described tunnel
The gas sensor (4-2) of module composition of gases within, detect in described tunnel analog module the air velocity transducer (4-3) of wind speed and
Perceive the temperature sensor (4-4) of temperature parameter in the analog module of described tunnel, described gas sensor (4-2) includes gas and passes
Sensor, oxygen sensor, carbon monoxide transducer and carbon dioxide sensor.
5. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 3 it is characterised in that：Institute
State on an input pipe of delivery pipe (7-1) and the output end positioned at smoke generator (7-2) is provided with flue gas flow meter (7-3)
With flue gas switch (7-4), on another input pipe of described delivery pipe (7-1) and be located at gas cylinder (7-7) output end peace
Equipped with Gas-Flow gauge (7-8) and depressurization gas valve (7-9), on the efferent duct of described delivery pipe (7-1) and positioned at heater (7-
5) output end is provided with mass flow meters (7-6).
6. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 1 it is characterised in that：Institute
Stating experimental bench skeleton (1) is cube steelframe.
7. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 3 it is characterised in that：Institute
State pile framing and also include the pile foundation that multiple confession telescope supports (2-1) are installed, the quantity of described pile foundation is more than telescope support (2-1)
Quantity.
8. according to the mine heat power disaster multi-parameter temporal-spatial evolution analyzing experiment table described in claim 7 it is characterised in that：Institute
State be disposed with along along the length direction of telescope support (2-1) on the side wall of telescope support (2-1) multiple for fixing head
(2-3) installing hole (2-2).
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