CN104832216B - Spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System and method - Google Patents
Spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System and method Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 109
- 239000013307 optical fiber Substances 0.000 title claims abstract description 82
- 239000003245 coal Substances 0.000 title claims abstract description 44
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 42
- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 13
- 229920000768 polyamine Polymers 0.000 claims description 8
- 238000007619 statistical method Methods 0.000 claims description 4
- 238000004587 chromatography analysis Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000000470 constituent Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 60
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000001294 propane Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- -1 alkane alkene Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004868 gas analysis Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 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 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- 238000012384 transportation and delivery Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Detection Mechanisms (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Alarm Systems (AREA)
Abstract
The present invention relates to spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System and method, belong to monitoring and forecast colliery spontaneous combustion trend field, including Tube Bundle Monitoring System and distributed optical fiber temperature measurement monitoring system are connected with monitoring analysis system respectively；Monitoring method includes：A Tube Bundle Monitoring Systems, gather mine gas and test and analyze gas componant, and data are transported into monitoring main frame；B monitoring main frames calculate collection gas constituent and content according to step A data, and ignition trend is judged by the change of gas componant；C temperature-measuring system of distributed fibers utilizes Raman scattering effect, obtains the whole temperature variation curve of the diverse location of optical fiber, and related data is transported into monitoring main frame；D monitors main frame real-time reception step C data；E monitors main frame and step B data and step D data is carried out into correlation statistics analysis, it is determined that ignition trend, determines the position of burning things which may cause a fire disaster point.The present invention can either judge ignition trend, while can determine that fiery source location again.
Description
Technical field
The present invention relates to a kind of spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System and method, belong to monitoring and forecast coal
Ore deposit spontaneous combustion trend field.
Background technology
According to statistics, in the colliery of China's exploitation, there is the dangerous mine of spontaneous combustion and account for 70% or so of total numeber of mines,
Spontaneous combustion coal accounts for the 80% of accumulative minable coal seam number, and the number of times that occurs of freely burning fire account for the 94% of mine fire sum with
On.Therefore, the prevention of spontaneous fire accident necessarily turns into the emphasis of safety of coal mines research.Timely and accurately send fire early stage pre-
Report, and can in time determine fiery source location, fire-fighting measure not only can be in time taken, fire incident is eliminated in rudiment shape
State, and greatly reduce the economic loss that fire extinguishing is caused, prevent the fire even generation of explosion accident, it is to avoid what is thus resulted in is huge
Big economic loss.
Research shows that the spontaneous combustion development of coal typically will be by three periods, i.e. incubation period, self-heating phase and main combustion period.Latent
Fu Qi, also referred to as preparatory stage, coal temperature do not have anything to change substantially with ambient temperature, but the ignition temperature of coal is reduced, and is changed
Learn increased activity.Into the spontaneous combustion phase, the oxidation rate of coal increases, and decomposes water outlet, carbon dioxide and carbon monoxide.Oxidation generation
Heat starts to raise coal temperature, and when coal temperature exceedes 60~80 DEG C of the critical value of self-heating, coal temperature will steeply rise, oxidation rate
Accelerate, and coal carbonization occur, generation hydrocarbon CmHn, hydrogen H2And the fuel gas such as carbon monoxide CO.At this moment it is also fire prevention
The period of fire extinguishing most critical.If now taking some fire-fighting measures not in time, coal temperature will continue to rise to ignition temperature and
Into main combustion period.
Coal releases certain heat during oxidation and spontaneous combustion, not only, but also pyrolysis discharges CO, C2H4And C2H6Deng
There is certain corresponding relation between hydrocarbon, and the gas componant and its concentration and coal temperature of decomposition.Therefore, direct detection coal
Pyrolysis gas product and air in composition transfer be the spontaneous combustion development degree that can determine whether coal, so that the early stage for carrying out fire is pre-
Report.
At present, the safe Tube Bundle Monitoring System of coal mine has begun to more and more be popularized within coal mines and answers
With.Mine safety Tube Bundle Monitoring System is to extract underground air everywhere by beam tube, be aggregated into the place specified, then by
Chromatographic detection apparatus are analyzed to restraining gathered air sample, realize to CO, CO2、CH4、C2H4、C2H6、O2、N2Deng gas
The on-line monitoring of body content, its analysis result being reported with real-time monitoring, while analyze daily paper two ways and provide data, also
Can be automatically credited in database, so that the variation tendency from now on to certain gas content is analyzed, it is achieved thereby that to mine
The early prediction of freely burning fire, but because mine area is very big, it is difficult to burning things which may cause a fire disaster point is found, it is sometimes big to avoid exploding or causing
Fire, it has to close mine, cause huge economic losses.
Distributed temperature measuring fibre system in real time, can be surveyed accurately as a kind of emerging coal mine fire early-warning system
Know the position on temperature-measuring optical fiber and temperature, collection sensing and transmission and one, optical fiber is both inductor and signal transmission passage, is
Unite using space temperature field residing for optical fiber to optical fiber in scattered light signal backward investigate, then by signal reconcile, collection
Temperature and positional information are shown in real time with treatment, sets early warning temperature, timely early warning.
The content of the invention
It is an object of the invention to provide a kind of spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System, can either judge to be under fire
Trend, carries out fire alarm, while can predict fiery source location again, great convenience fire hazard treating reduces economic loss.
It is a further object of the present invention to provide a kind of spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method, to bound polyamine
The analyze data for judging ignition trend of system and the position of distributed optical fiber temperature measurement monitoring system and the related data of temperature are entered
Row correlation statistics are analyzed, it is determined that ignition trend, it is determined that fiery source location.
Spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System of the present invention, including Tube Bundle Monitoring System, distribution
Optical fiber temperature-measurement monitoring system and monitoring analysis system；Tube Bundle Monitoring System includes beam tube component, the control on beam tube component and well
It is connected by beam tube between cabinet, switch board connection chromatograph, chromatograph is located on well；Beam tube component includes single tube, and single tube edge is returned
Wind roadway layout, and it is constantly mobile with coal-face propulsion, and one end that single tube is located in return aircourse sets dust filter unit,
The other end connects gas transmission pumping plant, and gas transmission pumping plant is connected with beam tube shunt case, and beam tube shunt case is connected with switch board；Distribution type fiber-optic
Thermometric monitoring system includes temperature-measuring optical fiber and thermometric substation, and thermometric is respectively arranged in goaf both sides return aircourse and intake
Optical fiber, temperature-measuring optical fiber and thermometric substation；Monitoring analysis system is located on well, including monitoring main frame, monitoring main frame connection interchanger,
Interchanger is connected with thermometric substation, gas transmission pumping plant, switch board, chromatograph respectively.
Spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System of the present invention, Tube Bundle Monitoring System collection downhole gas
Body, and chromatograph is delivered gas to by switch board be analyzed, analyze data is transferred to monitoring main frame by chromatograph；It is distributed
Relevant position and temperature information and monitoring is transferred data on optical fiber temperature-measurement monitoring system collection underground goaf temperature-measuring optical fiber
Main frame；Monitoring main frame carries out correlation statistics analysis to two groups of data, confirms ignition trend, it is determined that fiery source location.
Described chromatograph connection warning device, when reaching setting value, and alarm；Chromatograph is divided sample gas
Analysis, when reaching the data of fire alarm, warning device alarm.Warning device be conventional alarm device, can set audible alarm,
SMS alarm etc..
Described switch board connects 2-60 beam tube component, typically connect 2,3,4,5,6,7,8,9
It is individual, 10,16,30,60；Described thermometric substation connection 4-8 bars are arranged into the temperature-measuring optical fiber of different mines, general one
Individual mine arranges 2 temperature-measuring optical fibers, is arranged in intake and return aircourse；Accordingly, 2 mines can arrange 4
Optical fiber, 3 mines can arrange 6 optical fiber, and 4 mines can arrange 8 optical fiber, and this 8 optical fiber may be coupled to a survey
Warm substation.Distributed optical fiber temperature measurement monitoring system can set multiple, can set 2-60, general setting 2,3,4.
Tube Bundle Monitoring System can be set to multiple mines simultaneously, it is convenient and simple.
Described thermometric substation connection warning device, can set various alarm modes, such as continuous warming alarm, highest
Temperature alarming, be rapidly heated alarm etc., after reaching alarm setting value, warning device alarm.Warning device is conventional alarm device,
Audible alarm, SMS alarm etc. can be set.
Distributed optical fiber temperature measurement monitoring system can accurately predict relevant position and temperature and real-time returned data on optical fiber,
But because influenceed by surrounding working equipment temperature, and the far and near different influence of fiber distance burning things which may cause a fire disaster point, temperature can not
Absolute reaction burning things which may cause a fire disaster temperature, it is impossible to judge ignition trend.
Tube Bundle Monitoring System gathers mine gas, and gas shunt is transported into chromatograph by switch board is analyzed, and counts
The content of collection gas componant and gas constituent is calculated, ignition trend is judged by the variation tendency of gas componant,
Monitor the conventional explosion triangle of host computer and four directions is schemed, the data rule such as alkane alkene ratio judges ignition trend, it is determined that being under fire
Gesture, and the related data of ignition trend and distributed optical fiber temperature measurement monitoring system are transported to the temperature and position letter of monitoring main frame
Breath data carry out correlation statistics analysis, it is determined that ignition trend, and according to burning things which may cause a fire disaster high-temperature position distribution, judge the position of burning things which may cause a fire disaster point
Put.
After determining the position of burning things which may cause a fire disaster point, fire hazard treating controllable degree is drastically increased, simplifies fire prevention and improvement,
Reduce huge economic loss.Correspondence Tube Bundle Monitoring System warning level, takes corresponding measure to be disposed.
When CO gas content slowly rises, concentration reaches more than 100PPM, when there is ethane, has ignition possible,
Early warning, checks fiery source location immediately, in time fire extinguishing.The numerous and diverse of the original needs fiery source location of artificial lookup is avoided,
The time effectively is saved, rescue work can be carried out in the rescue time of most critical, reduce economic loss, it is to avoid personnel's wounds
Die.
CO gas content slowly rises, and concentration reaches more than 300PPM, and when there is ethene, ignition trend is larger,
Medium Early Warning；Fire protection is organized immediately, and establishment officer puts out a fire in time to fiery source location.Avoid the artificial lookup of original needs
Fiery source location it is numerous and diverse, effectively save the time, reduce economic loss, it is to avoid casualties.
When ethane and propane ratio reach 1, fire will occur, urgent early warning；Need to put out a fire at once, or take it
His stringent effort, cannot such as determine fiery source location, according to circumstances need shut-in well to avoid causing big fire or blast.
Monitoring main frame is to carry out beam tube monitoring and operational control, Data Collection, Data Management Analysis, the realization of optical fiber temperature-measurement
Index gas trend analysis, colliery spontaneous combustion Trend judgement, the judgement of burning things which may cause a fire disaster high temperature dot, database purchase, the meter of man-machine interaction
Calculation machine software and hardware system.System is pre- comprising user interface, equipment control, data acquisition, data analysis, Database Systems, ignition
The modules such as police, network transmission.
Interchanger can realize bidirectional transfer of information function, can will not only come from the information of lower end equipment through this device interior
Interchanger transferred out by Ethernet, but also can will come from the ethernet device of the information transmission to lower end of upper end.
Thermometric substation is by the use of the temperature-measuring optical fiber of underground is laid on as temperature sensor, using Raman scattering effect and light
Time Domain Reflectometry principle, substation carries out Treatment Analysis to laser signal to obtain spatial temperature distribution information.Wherein fiber Raman dissipates
Effect is penetrated for realizing temperature survey, optical time domain reflection e measurement technology is used to realize that temperature is positioned.Substation meets underground coal mine to be prevented
Sudden and violent safety requirements, with optical fiber and network data interface.
A kind of waveguide medium that can transmit luminous energy of temperature-measuring optical fiber, can utilize Raman reflection and optical time domain reflection principle by temperature
Degree and positional information return to thermometric substation detection process.
Chromatograph is a kind of conventional gas analysis instrument, the content for detecting gas composition and each composition.Base
Present principles are to bring sample gas into by carrier gas, by chromatographic column, separate each component, and detector is imported successively, are contained with obtaining each component
Measure related detection signal.According to the precedence for importing detector, by contrast, it is possible to distinguish what component goes out is, according to
Peak heights or peak area can calculate each component content.
Switch board is a kind of a kind of instrument mine gas pumped to well and conducted and is analyzed into chromatograph, by
Output control interface board, driving circuit for electromagnetic valve, aspiration pump, automatic sampler etc. are constituted, and each of which is mounted in microcomputer and control
In cabinet, and during order by regulation and time feed gas into gas chromatograph.
The multichannel single tube boundling that beam tube has flame-retardant and anti-static characteristic uses pipeline, for delivering mine gas.
Beam tube shunt case is made up of case shell and water filter, and beam tube is respectively connected to shunt case from the monitoring point for needing to be detected
One end entrance, through the water filter in shunt case, multichannel beam tube is connected to from other end outlet.
Gas transmission pumping plant is a kind of gas transport drive device for meeting safety of coal mines certification, defeated for mine gas to be extracted
Deliver to and analyzed on well.With dedusting drainage, multiplexing, the characteristics of network remote is controlled.
Single tube is a kind of delivery independent pipeline of mine gas, the characteristic with flame-retardant and anti-static, for being routed to working face
Collection mine gas.
Dust filter unit can Chalk-dust filtering impurity, dust impurities in the mine gas into beam tube system can be filtered.
Spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method of the present invention, comprises the following steps：
A Tube Bundle Monitoring Systems, under the control of monitoring host computer, gather mine gas, and mine gas passes through dust filter unit
Filtering is out of dust, and by the driving of gas transmission pumping plant, after through beam tube shunt case, unnecessary moisture filter is fallen, concentration is transported to control
Cabinet processed, switch board carries out multy-way switching, and gas is fed sequentially into chromatograph respectively, and chromatograph carries out chromatography to gas,
And analyze data is transported to monitoring main frame by interchanger；
B monitoring main frame collection chromatograph conveying data are simultaneously analyzed, and calculate collection gas componant and gas composition
The content of composition, ignition trend is judged by the variation tendency of gas componant；
Monitor the conventional explosion triangle of host computer and four directions is schemed, the data rule such as alkane alkene ratio judges ignition trend；When
CO gas content slowly rises, and concentration reaches more than 100PPM, when there is ethane, has ignition possible, early warning；Need
Corresponding measure is taken, fire location is searched and is put out a fire in time, it is to avoid fire occurs, causes casualties and property loss；
CO gas content slowly rises, and concentration reaches more than 300PPM, and when there is ethene, ignition trend is larger,
Medium Early Warning；Needs take immediate steps and search burning things which may cause a fire disaster and put out a fire immediately, and timely establishment officer withdraws, it is to avoid casualties and wealth
Produce loss；
When ethane and propane ratio reach 1, fire will occur, urgent early warning；Need to put out a fire at once, or take it
His stringent effort, cannot such as determine fiery source location, according to circumstances need shut-in well to avoid causing big fire or blast.
C distributed optical fiber temperature measurement monitoring systems utilize Raman scattering effect, by gathering and analyzing incident light pulse in light
The time and intensity information of the Raman back-reflection light produced when being propagated in fine obtains corresponding position and temperature information, can obtain
To the whole temperature variation curve of the diverse location of optical fiber, temperature and positional information are transported to monitoring main frame by interchanger；
The temperature and positional information of D monitoring main frame real-time reception distributed optical fiber temperature measurement monitoring system conveyings；
Described step D, monitoring main frame sets temperature pre-warning；After temperature exceedes design temperature, warning device automatic alarm；
The related data of the ignition trend of step B is carried out correlation by E monitoring main frames with the temperature and positional information of step D
Statistical analysis, it is determined that ignition trend, and according to burning things which may cause a fire disaster high-temperature position distribution, determine the position of burning things which may cause a fire disaster point.
It is determined that ignition trend, and after determining the position of burning things which may cause a fire disaster point, fire hazard treating controllable degree is drastically increased, simplified
Fire prevention and improvement, reduce huge economic loss.Correspondence Tube Bundle Monitoring System warning level, takes corresponding measure to carry out
Disposal.When CO gas content slowly rises, concentration reaches more than 100PPM, when there is ethane, has ignition possible,
Early warning, checks fiery source location immediately, in time fire extinguishing；CO gas content slowly rises, and concentration reaches 300PPM
More than, when there is ethene, ignition trend is larger, Medium Early Warning；Organize fire protection immediately, establishment officer to fiery source location and
When put out a fire；When ethane and propane ratio reach 1, fire will occur, urgent early warning.
Compared with prior art, the beneficial effects of the invention are as follows：
The breakthrough use distribution type fiber-optic of spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System of the present invention is surveyed
Warm monitoring system and Tube Bundle Monitoring System are combined, and can either judge ignition trend, fire alarm are carried out, while can accurately survey again
Know fiery source location, be that coal mine fire warning, fire hazard treating bring breakthrough progress, effectively catch the crucial rescue of Initial Stage of Fire
Time, effectively reduce coal-mine fire probability of happening, it is to avoid the huge economic losses that coal-mine fire or shut-in well bring；
Spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method of the present invention, method is simple, safe and reliable, confirms hair
Fiery trend, confirms fiery source location.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
In figure：1st, monitoring main frame 2, interchanger 3, chromatograph 4, switch board 5, beam tube 6, beam tube shunt case 7, gas transmission
Pumping plant 8, single tube 9, return aircourse 10, dust filter unit 11, goaf 12, working face 13, intake 14, thermometric
Optical fiber 15, temperature-measuring optical fiber 16, thermometric substation.
Specific embodiment
The present invention is described further with reference to embodiment：
As shown in figure 1, spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System of the present invention, including bound polyamine system
System, distributed optical fiber temperature measurement monitoring system and monitoring analysis system；Tube Bundle Monitoring System includes beam tube component, beam tube component and well
On switch board 4 between by beam tube 5 be connected, switch board 4 connection chromatograph 3, chromatograph 3 connection warning device, chromatograph 3
In on well；Beam tube component includes single tube 8, and single tube 8 is arranged along return aircourse 9, and advances continuous movement with coal-face 12, single
One end that pipe 8 is located in return aircourse 9 sets dust filter unit 10, other end connection gas transmission pumping plant 7, gas transmission pumping plant 7 and beam tube
Shunt case 6 is connected, and beam tube shunt case 6 is connected with switch board 4；Distributed optical fiber temperature measurement monitoring system includes temperature-measuring optical fiber and thermometric
Substation 16, arrangement temperature-measuring optical fiber 15 in the return aircourse 9 of the side of goaf 11, arrangement temperature measuring optical in the intake 13 of opposite side
Fine 14, temperature-measuring optical fiber 14 and temperature-measuring optical fiber 15 are connected with thermometric substation 16 respectively, the connection warning device of thermometric substation 16；Monitoring point
Analysis system is located on well, including monitoring main frame 1, the monitoring connection interchanger 2 of main frame 1, interchanger 2 respectively with thermometric substation 16, defeated
Air pump station 7, switch board 4, chromatograph 3 are connected.
Switch board 4 connect 2-60 beam tube component, typically connect 2,3,4,5,6,7,8,9,10
It is individual, 16,30,60；The connection 4-8 bars of thermometric substation 16 are arranged into the temperature-measuring optical fiber of different mines, a general mine cloth
2 temperature-measuring optical fibers are put, intake 13 and return aircourse 9 is arranged in；Accordingly, 2 mines can arrange 4 optical fiber, 3
Individual mine can arrange 6 optical fiber, and 4 mines can arrange 8 optical fiber, and this 8 optical fiber may be coupled to a thermometric substation
16.Distributed optical fiber temperature measurement monitoring system can set multiple, can set 2-60, general setting 2,3,4.Can be with
Tube Bundle Monitoring System is set to multiple mines simultaneously, it is convenient and simple.
Operation principle：
Tube Bundle Monitoring System gathers mine gas, and gas shunt is transported into chromatograph 3 by switch board 4 is analyzed,
The content of collection gas componant and gas constituent is calculated, ignition is judged by the variation tendency of gas componant and is become
Analyze data is transferred to monitoring main frame 1 by gesture, chromatograph 3；Distributed optical fiber temperature measurement monitoring system collection underground goaf 11 is surveyed
On warm optical fiber the information such as relevant position and temperature and transfer information to monitor main frame 1；Monitoring two groups of data of main frame 1 pair carry out phase
The statistical analysis of closing property, confirms ignition trend, it is determined that fiery source location.
Spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method of the present invention, comprises the following steps：
A Tube Bundle Monitoring Systems, under the control of monitoring host computer, gather mine gas, and mine gas passes through dust filter unit
10 filterings are out of dust, by the driving of gas transmission pumping plant 7, after unnecessary moisture filter is fallen through beam tube shunt case 6, concentrate conveying
To switch board 4, switch board 4 carries out multy-way switching, gas is fed sequentially into chromatograph 3 respectively, and chromatograph 3 carries out color to gas
Analysis of spectrum, and analyze data is transported to monitoring main frame 1 by interchanger 2；
B monitoring main frame 1 collection chromatograph 3 conveying data are simultaneously analyzed, and calculate collection gas componant and gas group
Into composition and content, ignition trend is judged by the change of gas componant；
Monitoring main frame 1 utilizes conventional explosion triangle to scheme with four directions, and the data rule such as alkane alkene ratio judges ignition trend；When
CO gas content slowly rises, and concentration reaches more than 100PPM, when there is ethane, has ignition possible, early warning；Need
Corresponding measure is taken, fire location is searched and is put out a fire in time, it is to avoid fire occurs, causes casualties and property loss；
CO gas content slowly rises, and concentration reaches more than 300PPM, and when there is ethene, ignition trend is larger,
Medium Early Warning；Needs take immediate steps and search burning things which may cause a fire disaster and put out a fire immediately, and timely establishment officer withdraws, it is to avoid casualties and wealth
Produce loss；
When ethane and propane ratio reach 1, fire will occur, urgent early warning；Need to put out a fire at once, or take it
His stringent effort, cannot such as determine fiery source location, according to circumstances need shut-in well to avoid causing big fire or blast.
C distributed optical fiber temperature measurement monitoring systems utilize Raman scattering effect, by gathering and analyzing incident light pulse in light
The time and intensity information of the Raman back-reflection light produced when being propagated in fine obtains corresponding position and temperature information, can obtain
To the whole temperature variation curve of the diverse location of optical fiber, temperature and positional information are transported to monitoring main frame by interchanger 2
1；
The temperature and positional information of D monitoring main frame 1 real-time reception distributed optical fiber temperature measurement monitoring system conveyings；
Described step D, monitoring main frame 1 sets temperature pre-warning；
E monitoring main frames 1 carry out the related data of the ignition trend of step B and the temperature and positional information of step D related
Property statistical analysis, it is determined that ignition trend, and according to burning things which may cause a fire disaster high-temperature position distribution, judge the position of burning things which may cause a fire disaster point.
It is determined that ignition trend, and after determining the position of burning things which may cause a fire disaster point, fire hazard treating controllable degree is drastically increased, simplified
Fire prevention and improvement, reduce huge economic loss.Correspondence Tube Bundle Monitoring System warning level, takes corresponding measure to carry out
Disposal.When CO gas content slowly rises, concentration reaches more than 100PPM, when there is ethane, has ignition possible,
Early warning, checks fiery source location immediately, in time fire extinguishing；CO gas content slowly rises, and concentration reaches 300PPM
More than, when there is ethene, ignition trend is larger, Medium Early Warning；Organize fire protection immediately, establishment officer to fiery source location and
When put out a fire；When ethane and propane ratio reach 1, fire will occur, urgent early warning.
Ignition trend is confirmed, it is determined that fiery source location, is that fire control and disaster rescue wins for fire hazard treating provides reliable basis
Valuable rescue time, it is simple to operate, it is to avoid huge economic loss.
Claims (8)
1. a kind of spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System, it is characterised in that including Tube Bundle Monitoring System, distribution
Optical fiber temperature-measurement monitoring system and monitoring analysis system；
Tube Bundle Monitoring System includes beam tube component, is connected by beam tube (5) between beam tube component and the switch board (4) on well, controls
Cabinet (4) processed connects chromatograph (3), and chromatograph (3) is on well；Beam tube component includes single tube (8), and single tube (8) is along return aircourse
(9) arrange, the one end of single tube (8) in return aircourse (9) sets dust filter unit (10), other end connection gas transmission pumping plant
(7), gas transmission pumping plant (7) is connected with beam tube shunt case (6), and beam tube shunt case (6) is connected with switch board (4)；
Distributed optical fiber temperature measurement monitoring system includes temperature-measuring optical fiber and thermometric substation (16), goaf (11) both sides return aircourse
(9) temperature-measuring optical fiber and in intake (13) is respectively arranged, temperature-measuring optical fiber is connected with thermometric substation (16)；
Monitoring analysis system is located on well, including monitoring main frame (1), and monitoring main frame (1) connects interchanger (2), interchanger (2) point
It is not connected with thermometric substation (16), gas transmission pumping plant (7), switch board (4), chromatograph (3).
2. spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System according to claim 1, it is characterised in that chromatograph
(3) warning device is connected.
3. spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System according to claim 1, it is characterised in that switch board
(4) 2-60 beam tube component is connected.
4. spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System according to claim 1, it is characterised in that thermometric substation
(16) connection 4-8 bars are arranged into the temperature-measuring optical fiber of different mines.
5. the spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System according to claim 1 or 4, it is characterised in that distribution
Formula optical fiber temperature-measurement monitoring system sets multiple.
6. the spontaneous fire in coal mine optical fiber temperature-measurement Tube Bundle Monitoring System according to claim 1 or 4, it is characterised in that thermometric
Substation (16) connects warning device.
7. a kind of spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method, it is characterised in that comprise the following steps：
A Tube Bundle Monitoring Systems, under the control of monitoring main frame (1), gather mine gas, and mine gas passes through dust filter unit
(10) filter out of dust, by the driving of gas transmission pumping plant (7), after through beam tube shunt case (6), unnecessary moisture filter is fallen, collection
In be transported to switch board (4), switch board (4) carries out multy-way switching, and gas is fed sequentially into chromatograph (3), chromatograph respectively
(3) chromatography is carried out to gas, and analyze data is transported to monitoring main frame (1) by interchanger (2)；
B monitors main frame (1) and gathers chromatograph (3) conveying data and be analyzed, and calculates collection gas componant and content, passes through
The change of gas componant judges ignition trend；
C distributed optical fiber temperature measurement monitoring systems utilize Raman scattering effect, by collection and analysis incident light pulse in optical fiber
The time and intensity information of the Raman back-reflection light produced during propagation obtains corresponding position and temperature information, can obtain whole
The temperature variation curve of the diverse location of root optical fiber, monitoring main frame is transported to by temperature and positional information by interchanger (2)
(1)；
The temperature and positional information of D monitoring main frame (1) real-time reception distributed optical fiber temperature measurement monitoring system conveyings；
E monitors main frame (1) and the related data of the ignition trend of step B is carried out into correlation with the temperature and positional information of step D
Statistical analysis, it is determined that ignition trend, and according to burning things which may cause a fire disaster high-temperature position distribution, determine the position of burning things which may cause a fire disaster point.
8. spontaneous fire in coal mine optical fiber temperature-measurement bound polyamine method according to claim 7, it is characterised in that described step
Rapid D, monitoring main frame (1) sets temperature pre-warning.
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