CN206021744U - A kind of underground coal mine exogenous fire small size simulated experiment platform - Google Patents
A kind of underground coal mine exogenous fire small size simulated experiment platform Download PDFInfo
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- CN206021744U CN206021744U CN201620525529.XU CN201620525529U CN206021744U CN 206021744 U CN206021744 U CN 206021744U CN 201620525529 U CN201620525529 U CN 201620525529U CN 206021744 U CN206021744 U CN 206021744U
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- flue gas
- coal mine
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Abstract
The utility model discloses a kind of underground coal mine exogenous fire small size simulated experiment platform, including tunnel and supporting TT＆C system, the supporting TT＆C system includes that flue-gas temperature acquisition system, heat loss measuring system, flue gas measurement warning system, force ventilation smoke evacuation system and flue gas flow field display system, described flue-gas temperature acquisition system include the distributed optical fiber temperature measurement circuit in tunnel and the thermal infrared imager at simulation tunnel one end open；Described heat loss measuring system includes the heat flow transducer in tunnel；Described flue gas measurement warning system is included installed in flue gas analyzer measuring point, ionic smoke sensor detecting alarm etc. in tunnel.This utility model can the situation when laboratory simulation tunnel occurs fire and heat loss when smoke components, Regularity of Smoke Movement, change of temperature field rule, toxic and harmful concentration change rule, fuel combustion, develop suitable coal mine roadway detecting and controlling system.
Description
Technical field
This utility model is related to technical field of fire hazard safety, and in particular to a kind of underground coal mine exogenous fire small size simulation
Laboratory table.
Background technology
The main body energy of the coal as China, Belt transport are one of main Coal Transport modes of mine, are that colliery is high
The powerful guarantee of effect production.Underground coal mine exogenous fire refers to the fire that external source causes, and mainly puts the reason for cause fire
Big gun, electric spark, electric arc, gas and dust explosion, mechanical friction etc..In mine laneway 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 can produce many toxic and harmfuls such as gas etc. in coal mine roadway, high
Wen Yi makes gas that blast to occur and produces more serious disaster.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 guarantee underground coal mine
Safety is necessary.
As full-scale fire test needs to transfer, substantial amounts of manpower and materials, economic drain be big, condition is difficult to control to, affects
Colliery is runed, and full-scale coal mine roadway experiment is difficult to carry out.Carry out the small-scale experiment research for meeting similarity theory, disclose coal
The Regularity of Smoke Movement of ore deposit roadway fire, is a kind of preferably selection.Meanwhile, small-scale experiment has easily handling, good
Reproducibility and measurement result with a high credibility the advantages of.
Utility model content
The purpose of this utility model is to provide a kind of small size coal mine roadway exogenous fire small size simulated experiment platform, energy
Enough situation and smoke components when laboratory simulation tunnel occurs fire, Regularity of Smoke Movement, change of temperature field rule, have
Heat loss when malicious harmful gas concentration Changing Pattern, fuel combustion, develops suitable coal mine roadway detecting and controlling system.
For achieving the above object, the technical scheme that this utility model is taken 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 flue-gas temperature acquisition system, heat loss measuring system, flue gas measurement warning system, force ventilation smoke evacuation system
With flue gas flow field display system, described flue-gas temperature acquisition system includes the distributed optical fiber temperature measurement circuit in tunnel
With the thermal infrared imager at simulation tunnel one end open；The distributed optical fiber temperature measurement circuit is evenly distributed in tunnel
Portion's side position to the left arranges 10 point for measuring temperature each points for measuring temperature at intervals of 1m, and distributed optical fiber temperature measurement circuit is connected with computer
Connect, temperature variations can be imported in computer, the thermal infrared imager is arranged on top of the tunnel right-hand member by power set；
Described heat loss measuring system includes that the heat flow transducer in tunnel, the heat flow transducer are arranged on inside tunnel
Centre position；Described flue gas measurement warning system is included installed in flue gas analyzer measuring point, electrochemical gas composition in tunnel
Measuring probe and the data processing equipment being connected with its signal of telecommunication, ionic smoke sensor detecting alarm, ionic smoke sensor detecting alarm
Quantity be three, be separately positioned on two, tunnel or so end points and tunnel centre position；Described force ventilation smoke evacuation system
Leaf window and anemobiagraph are adjusted including being arranged in the blower fan of another end opening in tunnel, air quantity, air quantity adjusts leaf window and is arranged on outside blower fan
Side, is shaped as arc, by rotating the retaining wall of outside, adjusts the size of air quantity, and in tunnel, design smoke evacuation wind speed is in 0.6-
0.8m/s scopes, between 0-0.8m/s, anemobiagraph is arranged on left position inside tunnel to fan speed regulation range restraint；Described
Flue gas flow field display system includes the Nikon D7100 video cameras recorded by flue gas flow field for being arranged in tunnel right-hand member, can be real
When shoot flue gas flow field, more preferably observe Regularity of Smoke Movement, some lifting supports, the bottom in tunnel are installed below the base plate in tunnel
The drive roll and follower rollers of power set is provided with plate, and the power set are adjusted for 5IK120RGN-CF converters
Motor, is arranged on laboratory table main body right-hand member, is connected by stainless steel chain with drive roll, provides power for cylinder operation,
Conveyer belt is installed between drive roll, follower rollers, some carrying rollers are provided with by support below conveyer belt.
Preferably, the tunnel is built by a devitrified glass side plate, a steel construction side plate, base plate, tunnel framework, bottom
Plate, tunnel framework are built using angle steel, and using sealant sealing process between devitrified glass side plate and angle steel, its heatproof is reachable
1000 DEG C, it is easy to observe in tunnel fire and while smoke condition in satisfaction, approximate tunnel is rectangular-shaped keeping its geometry phase
Like property；The Belt transport structure of long 10m width 0.4m is set in base plate.
Preferably, fuel and burning things which may cause a fire disaster are additionally provided with the tunnel.
Preferably, the lifting support adopts stainless steel.
Preferably, the lifting support can arrange -8 ° to 8 ° of different inclination angle and be tested.
Preferably, the conveyer belt adopts adhesive tape, and adhesive tape is mining flame-retardant adhesive tape DT II-1000/30, and the fuel is
The adhesive tape sample of adhesive tape right end position, alternatively cable, electrical equipment sample etc. is arranged on, the burning things which may cause a fire disaster is tiny coal cinder, alternatively
Electric arc, electric spark etc., specimen size are 0.1m × 0.1m, are pasted onto on conveyor belt by seccotine, and with tape movement, lead to
Cross and light coal pieces and ignite adhesive tape, suck rolled up by adhesive tape in burning, and the buoyancy of generation is ordered about flue gas and flowed in laboratory table
Dynamic, you can more clearly simulated fire flue gas spreads situation in tunnel.
Preferably, the long 11m of the agent structure of the laboratory table, wherein tunnel experiment segment length 10m, width 0.6m, a height of 0.6m.
Experimental system adopts sectional design, to dismantle, moves and installs, using sealing gemel connection, each section of junction ensures which is airtight
Property.
Preferably, in the tunnel, in transportation system, drive roll is made up of rustless steel, and its a diameter of 0.1m, cylinder are a width of
0.4m, is arranged on tunnel main body right-hand member and is connected by stainless steel chain with motor, and external connection adhesive tape is cooperated with follower rollers
Run with certain speed with adhesive tape above guide roller；The follower rollers are made up of rustless steel, its a diameter of 0.2m, cylinder width
0.4m, is arranged on roadway floor left end, and external connection adhesive tape cooperates guiding adhesive tape with certain speed operation with drive roll；Described
Fixed support is made of stainless steel, and the high 5cm of fixed support, fixed support are connected by fixing nut with carrying roller, and the carrying roller is
The cylinder that rustless steel is made, the centrally disposed central shaft of carrying roller are connected by fixing nut with fixed support, a length of 0.4m of carrying roller,
Its a diameter of 0.1m.Tunnel is shaped as rectangle, largely similar to actual coal mine roadway shape.
This utility model has the advantages that：
(1) in terms of simulation tunnel exogenous fire experiment effect, laboratory table has been innovated in the following aspects：Tunnel
Shape adopts rectangular shape, keeps its geometric similarity to the full extent；Laboratory table devises jacking system, can carry out little
The adjustment at angle inclination angle, and coal mine down-hole tunnel holding similarity；Tunnel fuel and burning things which may cause a fire disaster adopt fuel (alternatively electric for adhesive tape
Cable, electrical equipment etc.)；It is coal pieces (alternatively electric arc, electric spark etc.) in small, broken bits that burning things which may cause a fire disaster is heating source, with tunnel internal and external reasonses fire combustion
Material, heating source are similar to, and above-mentioned innovation makes its experimental result in experimentation relatively reliable.
(2) in terms of adhesive tape change of temperature field simulation experiment effect, laboratory table adopts two kinds of different experimental provisions simultaneously
It is monitored, distributed temperature sensing optical fiber can realize multiple spot real-time monitoring, certainty of measurement is high；While infrared thermography, intuitively
The situation of monitoring adhesive tape burning efficiently, the Changing Pattern that can clearly measure very much temperature by two kinds of monitoring systems,
Reaching auxiliary mutually proves mutually the reliability of its result；
(3) in terms of simulation of smoke movement experiment effect, adhesive tape in the true coal mine roadway of simulation that laboratory table can be complete
Burning produces the flow regime spread with flue gas of flue gas, and can clearly monitor experimentation by devitrified glass and show
As, its combustion process of simultaneous camera 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 based on experimental facilitiess preliminary analyses adhesive tape
Burning HRR, then calculated by the parameter before and after measurement adhesive tape burning；
(5) in terms of experiment measurement, the heat loss of coal mine roadway adhesive tape burning can accurately be measured by heat flow transducer, be real
The situation of the conduction of heat of border colliery exogenous fire small size fire provides reference；
(6) in terms of experimental measurement system, smoke components measurement and warning system can be detected and poisonous in flue gas be had
Evil gas concentration and and alarm, we can calculate fire and smoke spread speed, this to underworkings occur fire warning
The design of system and research are significant, and flue gas flow field display system etc. can be entered to flow of flue gas parameter and cigarette control effect
The omnibearing observation of row and research；
(7) in terms of experimental cost, large-sized laboratory table of this small-scale experiment platform comparing expends less, repeatable strong,
Easy to operate, while accuracy is high compared with computer simulation method.
In sum, this experimental provision is specially to adhesive tape conduction of heat, smoke components, flue gas during underground coal mine exogenous fire
Motion, temperature changing regularity etc. carry out the small-scale experiment platform of comprehensive system research.Full chi is overcome on forefathers' experiment basis
The characteristics of very little experimentation is high not accurate enough with numerical simulation tool, in turn ensure that the repeatability of experiment, can be more smart
The parameters such as the true temperature that measures when coal mine roadway adhesive tape occurs fire, smoke components and concentration, for carrying out laboratory science
Research and the flue gas control of actual underground coal mine exogenous fire, temperature control, the detection of fire and suppression system simulation test are all
There is very big using value.To the flue gas of underground coal mine exogenous fire, the control of temperature, detection with suppression system system design and
Test evaluation research has broad application prospects and highly important actual directive significance.
Description of the drawings
Fig. 1 illustrates for a kind of main body of underground coal mine exogenous fire small size simulated experiment platform of this utility model embodiment
Figure；
Fig. 2 is the design sketch after Fig. 1 Angulation changes；
Fig. 3 is to test adhesive tape examination in a kind of underground coal mine exogenous fire small size simulated experiment platform of this utility model embodiment
Sample distribution schematic diagram；
Fig. 4 illustrates for a kind of cross section of underground coal mine exogenous fire small size simulated experiment platform of this utility model embodiment
Figure；
Fig. 5 is Belt transport in a kind of underground coal mine exogenous fire small size simulated experiment platform of this utility model embodiment
Support structure schematic diagram.
In figure：1- motors；2- drive rolls；3- conveyer belts；4- supports；5- carrying rollers；6- follower rollers；7- blower fans；8- wind
Fast table；9- lifting supports；10- distributed optical fiber temperature measurement circuits；11- subject frameworks；12- ion smoke detectors；13- heat
Flow sensor；14- flue gas analyzers；15- thermal infrared imagers；16- computers；A2- adhesive tape samples；B1- steel construction side plates；b2-
Devitrified glass side plate；C2- carrying roller rotatable parts；C3- roller center shafts；C5- fixing nuts.
Specific embodiment
In order that the purpose of this utility model and advantage become more apparent, with reference to embodiments this utility model is entered
Row is further described.It should be appreciated that specific embodiment described herein is only in order to explain this utility model, and without
In restriction this utility model.
As Figure 1-Figure 5, this utility model embodiment provides a kind of simulation of underground coal mine exogenous fire small size in fact
Platform is tested, including tunnel 11 and supporting TT＆C system, the supporting TT＆C system includes flue-gas temperature acquisition system, heat loss measurement
System, flue gas measurement warning system, force ventilation smoke evacuation system and flue gas flow field display system, described flue-gas temperature gather system
System includes distributed optical fiber temperature measurement circuit 10 in tunnel 11 and infrared at simulation 11 one end open of tunnel
Thermal imaging system 15；The distributed optical fiber temperature measurement circuit 10 is evenly distributed on a side position to the left inside tunnel and arranges 10 points for measuring temperature
Each point for measuring temperature is connected with computer 16 at intervals of 1m, distributed optical fiber temperature measurement circuit 10, temperature variations can be imported meter
In calculation machine, the thermal infrared imager is arranged on top of the tunnel right-hand member by power set；Described heat loss measuring system includes
Heat flow transducer 13 in tunnel 11, the heat flow transducer are arranged on tunnel bosom position；Described flue gas
Measurement warning system includes popping one's head in installed in flue gas analyzer measuring point 14, electrochemical gas composition measurement in tunnel 11 and electric with which
The data processing equipment of signal connection, ionic smoke sensor detecting alarm 12, the quantity of ionic smoke sensor detecting alarm 12 is three,
It is separately positioned on two, tunnel or so end points and tunnel centre position；Described force ventilation smoke evacuation system includes being arranged in tunnel
The CYUF-315 profile shafts flow fan 7, air quantity of 11 another end openings adjusts leaf window and anemobiagraph 8, and air quantity adjusts leaf window and is arranged on wind
On the outside of machine, arc is shaped as, by rotating the retaining wall of outside, adjusts the size of air quantity, design smoke evacuation wind speed exists in tunnel
0.6-0.8m/s scopes, between 0-0.8m/s, anemobiagraph is arranged on left position inside tunnel to fan speed regulation range restraint；Institute
The flue gas flow field display system that states includes the Nikon D7100 video cameras recorded by flue gas flow field for being arranged in tunnel right-hand member,
Energy captured in real-time flue gas flow field, more preferably observes Regularity of Smoke Movement, is provided with some lifting supports 9 below the base plate in tunnel 11,
The drive roll 2 and follower rollers 6 of power set 1 is provided with the base plate in tunnel 11, and the power set 1 are
5IK120RGN-CF converters adjust motor, are arranged on laboratory table main body right-hand member, are connected by stainless steel chain with drive roll
Connect, power is provided for cylinder operation, conveyer belt 3 is installed between drive roll 2, follower rollers 6, by propping up below conveyer belt 3
Frame 4 is provided with some carrying rollers 5.
The tunnel 11 is built by a devitrified glass side plate b2, a steel construction side plate b1, base plate, tunnel framework, bottom
Plate, tunnel framework are built using angle steel, and using sealant sealing process between devitrified glass side plate and angle steel, its heatproof is reachable
1000 DEG C, it is easy to observe in tunnel fire and while smoke condition in satisfaction, approximate tunnel is rectangular-shaped keeping its geometry phase
Like property；The Belt transport structure of long 10m width 0.4m is set in base plate.
Fuel and burning things which may cause a fire disaster are additionally provided with the tunnel 11.
The lifting support 9 adopts stainless steel.
The lifting support 9 can arrange -8 ° to 8 ° of different inclination angle and be tested.
The conveyer belt adopts adhesive tape, and adhesive tape is mining flame-retardant adhesive tape DT II-1000/30, and the fuel is to be arranged on glue
Adhesive tape sample a2 with right end position, alternatively cable, electrical equipment sample etc., the burning things which may cause a fire disaster are tiny coal cinder, alternatively electric arc, electricity
Spark etc., specimen size are 0.1m × 0.1m, are pasted onto on conveyor belt by seccotine, and with tape movement, by lighting
Coal pieces are ignited adhesive tape, and suck rolled up by adhesive tape in burning, and the buoyancy of generation is ordered about flue gas and flowed in laboratory table, you can
More clearly simulated fire flue gas spreads situation in tunnel.
The long 11m of the agent structure of the laboratory table, wherein tunnel experiment segment length 10m, width 0.6m, a height of 0.6m.Experiment system
System adopts sectional design, to dismantle, mobile with install, each section of junction ensures its air-tightness using sealing gemel connection.
Originally it is embodied as comprising the steps when using：
S1, experiment carry out before first by various types of materials such as：The paper pen of tiny coal cinder, electronic scale, alcohol burner and record data
Deng on deck, adhesive tape is first measured after weighing on conveying arrangement, so as to drive drive roll to turn by power set
Dynamic, drive the delivery of conveyer belt 3 fuel to run 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 analyzer measuring point 14, red
Outer thermal imaging system 15 is arranged on specified location, such that it is able to accurately measure temperature variations during fuel combustion, heat loss situation,
And situations such as smoke components concentration, to the flue gas of underground coal mine exogenous fire, the control of temperature, detection and suppression system system
Design and test evaluation research have broad application prospects and highly important actual directive significance；
S3 then according to experimental conditions adjust 9 lifting supports adjust experiment inclination angle, the coal cinder ignited with alcohol burner is put
Enter in the adhesive tape sample on adhesive tape 3, light adhesive tape sample, after tiny coal cinder ignites adhesive tape, open all kinds of detectors and start
Detection Various types of data, while opening power set 1, allows conveyer belt 3 to run with certain speed；
S4, can consider whether to need to open force ventilation smoke extractor according to experimental conditions, open blower fan and do not open wind
Two kinds of situations of machine can contrast to obtain effect of the blowing machine to down-hole smoke evacuation Tobacco Control, start the fire condition for simulating underworkings；
S4, start simulation after, fire condition and flow of flue gas feelings in tunnel can be observed by devitrified glass side plate b2
Condition, at the same want time, the smoke components measured of flue gas analyzer 14 that accurate recording ion smoke detector 12 reports to the police and its
Concentration, distributed optical fiber temperature measurement circuit 10 and infrared thermoviewer 15 measure the wind corresponding to temperature real-time change situation, blower fan 7
Speed and air quantity, experiment start and adhesive tape run to tunnel midpoint and end when to its Taking Pictures recording；When adhesive tape runs to lane
During road opposite side, switching power set make adhesive tape and inversely return to starting point with the operating of identical speed, complete once complete experiment；
After S5, experiment terminate, motor, all kinds of detectors is closed, adhesive tape is unloaded, weigh again the quality of adhesive tape
And record.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improvement and
Retouching also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of underground coal mine exogenous fire small size simulated experiment platform, it is characterised in that including tunnel (11) and supporting observing and controlling
System, the supporting TT＆C system include flue-gas temperature acquisition system, heat loss measuring system, flue gas measurement warning system, machine
Tool ventilation smoke extraction system and flue gas flow field display system, described flue-gas temperature acquisition system are included in tunnel (11)
Distributed optical fiber temperature measurement circuit (10) and the thermal infrared imager (15) at simulation tunnel (11) one end open；The distribution
Formula optical fiber temperature-measurement circuit (10) is evenly distributed on a side position to the left inside tunnel and arranges each point for measuring temperature interval of 10 points for measuring temperature
For 1m, distributed optical fiber temperature measurement circuit (10) is connected with computer, can be imported temperature variations in computer, described infrared
Thermal imaging system is arranged on top of the tunnel right-hand member by power set；Described heat loss measuring system is included in tunnel (11)
Heat flow transducer (13), the heat flow transducer is arranged on tunnel bosom position；Described flue gas measurement warning system
Including popping one's head in installed in tunnel (11) interior flue gas analyzer measuring point (14), electrochemical gas composition measurement and being connected with its signal of telecommunication
Data processing equipment, ionic smoke sensor detecting alarm (12), the quantity of ionic smoke sensor detecting alarm (12) is three, respectively
It is arranged on two, tunnel or so end points and tunnel centre position；Described force ventilation smoke evacuation system includes being arranged in tunnel (11)
The blower fan (7) of another end opening, air quantity adjust leaf window and anemobiagraph (8), and air quantity adjusts leaf window and is arranged on the outside of blower fan, is shaped as
Arc, by rotating the retaining wall of outside, adjusts the size of air quantity, and design in tunnel discharges fume wind speed in 0.6-0.8m/s scopes,
Between 0-0.8m/s, anemobiagraph is arranged on left position inside tunnel to fan speed regulation range restraint；Described flue gas flow field shows
Show that system includes the Nikon D7100 video cameras recorded by flue gas flow field for being arranged in tunnel right-hand member；The base plate in tunnel (11)
Lower section some lifting supports (9) are installed, be provided with the base plate of tunnel (11) power set (1) drive roll (2) and
Follower rollers (6), described power set (1) are that 5IK120RGN-CF converters adjust motor, drive roll (2), driven rolling
Conveyer belt (3) is installed between cylinder (6), some carrying rollers (5) are provided with by support (4) below conveyer belt (3).
2. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 1, it is characterised in that described
Tunnel (11) is built by a devitrified glass side plate (b2), a steel construction side plate (b1), base plate, tunnel framework, base plate, tunnel
Framework is built using angle steel, and using sealant sealing process between devitrified glass side plate and angle steel.
3. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 1, it is characterised in that described
Fuel and burning things which may cause a fire disaster are additionally provided with tunnel (11).
4. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 1, it is characterised in that described
Lifting support (9) adopts stainless steel.
5. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 1, it is characterised in that described
Lifting support (9) can arrange -8 ° to 8 ° of different inclination angle and be tested.
6. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 1, it is characterised in that described
Conveyer belt adopts adhesive tape, and adhesive tape is mining flame-retardant adhesive tape.
7. a kind of underground coal mine exogenous fire small size simulated experiment platform according to claim 3, it is characterised in that described
Fuel is the adhesive tape sample for being arranged on adhesive tape right end position, and the burning things which may cause a fire disaster is tiny coal cinder；Specimen size is 0.1m × 0.1m, leads to
Strength glue is crossed on conveyer belt, and with tape movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525529.XU CN206021744U (en) | 2016-05-30 | 2016-05-30 | A kind of underground coal mine exogenous fire small size simulated experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525529.XU CN206021744U (en) | 2016-05-30 | 2016-05-30 | A kind of underground coal mine exogenous fire small size simulated experiment platform |
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| Publication Number | Publication Date |
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| CN201620525529.XU Expired - Fee Related CN206021744U (en) | 2016-05-30 | 2016-05-30 | A kind of underground coal mine exogenous fire small size simulated experiment platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894936A (en) * | 2016-05-30 | 2016-08-24 | 西安科技大学 | Small size simulation experiment table for underground coal mine exogenous fire |
| CN110687149A (en) * | 2019-09-02 | 2020-01-14 | 中国地质大学（北京） | Underground coal field fire area typical product dynamic precipitation and release simulation experiment system |
| CN111261011A (en) * | 2020-02-17 | 2020-06-09 | 中国矿业大学 | Mine fire simulation experiment platform and experiment method |
| WO2023123997A1 (en) * | 2021-12-30 | 2023-07-06 | 中煤科工集团沈阳研究院有限公司 | Multifunctional tunnel fire experiment platform and experiment method |
-
2016
- 2016-05-30 CN CN201620525529.XU patent/CN206021744U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894936A (en) * | 2016-05-30 | 2016-08-24 | 西安科技大学 | Small size simulation experiment table for underground coal mine exogenous fire |
| CN110687149A (en) * | 2019-09-02 | 2020-01-14 | 中国地质大学（北京） | Underground coal field fire area typical product dynamic precipitation and release simulation experiment system |
| CN111261011A (en) * | 2020-02-17 | 2020-06-09 | 中国矿业大学 | Mine fire simulation experiment platform and experiment method |
| WO2023123997A1 (en) * | 2021-12-30 | 2023-07-06 | 中煤科工集团沈阳研究院有限公司 | Multifunctional tunnel fire experiment platform and experiment method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180530 |