CN102074093A - Satellite remote sensing-based mine fire monitoring method - Google Patents

Satellite remote sensing-based mine fire monitoring method Download PDF

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CN102074093A
CN102074093A CN 201110033504 CN201110033504A CN102074093A CN 102074093 A CN102074093 A CN 102074093A CN 201110033504 CN201110033504 CN 201110033504 CN 201110033504 A CN201110033504 A CN 201110033504A CN 102074093 A CN102074093 A CN 102074093A
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information
satellite
monitoring
land
face
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CN102074093B (en
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马建伟
孔冰
蒲秋
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Shenhua Group Corp Ltd
Shenhua Geological Exploration Co Ltd
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Shenhua (beijing) Remote Sensing Prospecting Co Ltd
Shenhua Group Corp Ltd
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Abstract

The invention provides a satellite remote sensing-based mine fire monitoring method. The method comprises the following steps of: acquiring satellite monitoring earth surface information through satellite remote sensing; acquiring coal fire abnormal information according to the acquired satellite monitoring earth surface information; and monitoring fire according to the coal fire abnormal information. Compared with the prior art, the method has the advantages that: the information of the earth surface environment, thermal abnormity and deposition detection of a mine earth surface gob is acquired by using satellite visible light, thermal infrared rays and microwave images, and information fusion and comprehensive analysis are performed, so that low cost and efficient mine fire monitoring work are realized.

Description

A kind of coal-mine fire monitoring method based on satellite remote sensing
Technical field
The present invention relates to a kind of coal-mine fire monitoring method based on satellite remote sensing.
Background technology
" coalfield fire fire extinguishing standard " according to the promulgation in 1992 of environmental protection department of former Ministry of Energy proposed in Huo Qu reconnoitres, and should be main coal fire Detection Techniques means with natural electric field method, magnetic method, infrared measurement of temperature and probing.Since the eighties, survey technology such as radon is applied to successively during coal-mine fire reconnoitres along with Aero-Space remote sensing technology, thermal infrared imaging technology and isotope, made reconnoitring of the particularly big regional coalfield of coal-mine fire fire the leap development, the coal fire exploration technique just towards diversification with become the seriation direction to advance.
The spacer remote sensing technology is distinguished Detection Techniques as colliery (field) fire, because low being in of resolution studied the application stage always, does not also have till now and can survey new technology and obtain popularization and the national departments concerned approval as a kind of coal fire.
According to the coal fire Detection Techniques that " coalfield fire fire extinguishing standard " limits, natural electrical method mainly is to survey the underground cavity position, determines fiery district scope with this.But coal mine gob all exists underground cavity or shatter belt, but all there are the coal fire burning in cavity, not all goaf or shatter belt, and it obviously is infeasible carrying out the coal-mine fire monitoring with the nature electrical method.This method reaches crow has also proved the undesirable of exploration effect in the coal fire investigation; Magnetometer survey is to utilize underground coal fire burning, owing to the di-iron trioxide in the superincumbent stratum that suffers the coal fire baking for a long time changes into the tri-iron tetroxide with magnetic, by magnetometer from underground magnetic signature that ground survey obtained, on the basis of the underground burnt rock scope of delineation, carry out the scope decipher of fiery district indirectly.Because the formation of burnt rock need be experienced long-term, the strong baking of coal fire and could form, when strong coal fire and the long-term baking of experience do not appear in coal mine gob, do not have a large amount of burnt rocks to form magnetic anomaly, visit the spy technology as magnetic method and can't realize the goaf coal fire is monitored yet; It is best to utilize boring to understand underground coal fire combustion case effect, but a boring can only show a subsurface temperature situation among a small circle, and it is too high to beat cost many.In addition, if the sealing of boring later stage is bad, all will become the fire poking barrel of underground coal fire, this phenomenon often occurs in some coal fire districts.
In recent years, isotope survey radon is surveyed new technology as colliery (field) fire district and obtain use in some coal-mine fires investigation.Coal combustion causes the increase of superincumbent stratum factor of porosity, temperature and pressure to raise CO, CO that burning produces 2, SO 2And vapours etc. upwards pulls the radon gas in the rock, causes radon gas obviously to increase to the quantity and the speed of face of land migration, forms the high relatively value district of radon gas concentration above the fire district.It is exactly to utilize migration characteristics and the rule of underground radon gas in the rock stratum that isotope is surveyed the radon technology, obtains the radon gas concentration feature from the face of land by corresponding instrument and reaches a kind of coal fire Detection Techniques of descending the coal fire fired state definitely.But, the geology, the mining condition that form because of the fire district differ greatly, rock subsidence crack, coal fire top distributional difference, there is bigger monitoring error in this technology in actual coal fire investigation, and it is higher to survey cost, can not large tracts of land, many phases time use, non-coal fire goaf is surveyed have little significance, so can not be used as the long term monitoring technology that colliery (field) fire is distinguished.
There is the big and cost problem of higher of coal fire monitoring error in the prior art, do not propose effective solution at present as yet for this problem.
Summary of the invention
The objective of the invention is to propose a kind of coal-mine fire monitoring method, to solve the big and cost problem of higher of coal fire monitoring error in the prior art based on satellite remote sensing.
To achieve these goals, be achieved through the following technical solutions according to the present invention:
A kind of coal-mine fire monitoring method based on satellite remote sensing, comprise: satellite monitoring face of land information is obtained in remote sensing via satellite, obtain the coal fire abnormal information according to the satellite monitoring face of land information of being obtained, and carry out described fire monitoring according to described coal fire abnormal information.
Further, the described satellite monitoring face of land information of obtaining comprises: obtain satellite visible light monitoring information, obtain the satellite thermal infrared monitoring information and obtain the satellite microwave monitoring information.
Further, the described satellite visible light monitoring information that obtains comprises: obtain surface subsidence information, obtain crack, face of land information and obtain face of land combustion information.
Further, the described coal fire abnormal information of obtaining comprises: obtain coal fire environmental abnormality information according to described satellite visible light monitoring information, coal mining geology data and mining engineering data.
Further, the described satellite thermal infrared monitoring information that obtains comprises: obtain face of land high temperature information, obtain in the face of land warm information and obtain face of land normal temperature information.
Further, the described coal fire abnormal information of obtaining also comprises: obtain the coal fire abnormal information according to described satellite thermal infrared monitoring information.
Further, the described satellite microwave monitoring information that obtains comprises: obtain the strong sedimentation information in the face of land, obtain in the face of land sedimentation and obtain the low sedimentation information in the face of land.
Further, described obtain the satellite microwave monitoring information before, described method also comprises sets up fixedly elevation correction point of monitoring section.
Further, the described coal fire abnormal information of obtaining also comprises: according to satellite microwave monitoring information and described monitoring section fixedly the elevation correction point obtain coal fire abnormal space information.
Compared with prior art, the invention has the beneficial effects as follows: utilize satellite visible light, thermal infrared, microwave image to obtain goaf, the face of land, colliery ground surface environment, thermal anomaly and sedimentation detection information, by information fusion and analysis-by-synthesis, realize low cost, high efficiency coal-mine fire monitoring.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to type of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the main process flow diagram according to the described a kind of coal-mine fire monitoring method based on satellite remote sensing of the embodiment of the invention;
Fig. 2 is according to the described a kind of concrete technical architecture plan of coal-mine fire monitoring method based on satellite remote sensing of the embodiment of the invention;
Fig. 3 is according to described sky combustion zone, the crack characteristic image that subsides of adopting of the embodiment of the invention;
Fig. 4 is according to combustion zone, the embodiment of the invention described coal column crack characteristic image;
Fig. 5 is according to the described multiple seam exploitation of embodiment of the invention burning crack characteristic image;
Fig. 6 is the thermal imagery that obtains according to the described satellite of the embodiment of the invention;
Fig. 7 is according to the described presumptive area 2006-2008 satellite radar data ground faint sedimentation amplitude characteristic figure of being of the embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the main process flow diagram according to the described a kind of coal-mine fire monitoring method based on satellite remote sensing of the embodiment of the invention.Referring to shown in Figure 1, this method mainly comprises: satellite monitoring face of land information is obtained in remote sensing via satellite, obtains the coal fire abnormal information according to the satellite monitoring face of land information of being obtained, and carries out described fire monitoring according to described coal fire abnormal information.
Fig. 2 is according to the described a kind of concrete technical architecture plan of coal-mine fire monitoring method based on satellite remote sensing of the embodiment of the invention.A kind of concrete steps of method shown in Figure 1 have been shown among Fig. 2.
When satellite monitoring face of land information is obtained in remote sensing via satellite, specifically can obtain satellite visible light monitoring information, satellite thermal infrared monitoring information and satellite microwave monitoring information.Wherein, satellite visible light monitoring information can be surface subsidence information, crack, face of land information and face of land combustion information; The satellite thermal infrared monitoring information can be warm information and a face of land normal temperature information in face of land high temperature information, the face of land; The satellite microwave monitoring information can be the low sedimentation information of the sedimentation and the face of land in the strong sedimentation information in the face of land, the face of land.
In conjunction with coal mining geology mining topographic(al) data, above-mentioned surface subsidence information, crack, face of land information and face of land combustion information are analyzed, can obtain coal fire environmental abnormality information.A kind of virtual condition of wherein surface subsidence, crack, the face of land and face of land burning is respectively as Fig. 3, Fig. 4 and shown in Figure 5.Fig. 3 is that Fig. 4 is according to combustion zone, the embodiment of the invention described coal column crack characteristic image according to described sky combustion zone, the crack characteristic image that subsides of adopting of the embodiment of the invention, and Fig. 5 is according to the described multiple seam exploitation of embodiment of the invention burning crack characteristic image.
Warm information and face of land normal temperature information can obtain from the thermal imagery that satellite obtains in face of land high temperature information, the face of land.As shown in Figure 6, Fig. 6 is the thermal imagery that obtains according to the described satellite of the embodiment of the invention, and wherein white portion represents that ground is the condition of high temperature.
Land subsidence state by the contrast different year can draw land subsidence speed.As shown in Figure 7, Fig. 7 is the synoptic diagram according to the described land subsidence speed of the embodiment of the invention.Wherein image 71 is represented land subsidence state in 2003, image 72 expressions land subsidence state in 2006, image 73 expressions land subsidence state in 2008, the corresponding relation of image 74 expression land subsidence speed and color.By comparison chart as 74 with image 71, image 72 and image 73 in color, can draw the land subsidence speed of presumptive area in image 71, image 72 and the image 73.
Technical scheme according to present embodiment, can realize that radar land subsidence speed measurement precision is in centimetre-millimeter level, and realize the microcosmic of coal mine gob (containing the fire district) land subsidence amplitude is monitored, this experiment confirm coal fire combustion zone land subsidence amplitude is higher than the conclusion in non-coal fire goaf, and the comprehensive coal fire Detection Techniques of satellite remote sensing means experiment basis can be provided.And early stage satellite coal fire monitoring technology, two kinds of detection means of satellite visible light and thermal infrared have mainly been utilized, from qualitative angle, can find and draw a circle to approve coal fire (field) fire scope more exactly, but at the bottom of above-mentioned satellite data ground resolution, also there is big gap (accuracy rate is about 70%) in the coal fire delineation on quantitatively.
Under conventional images treatment technology condition, merge and analysis-by-synthesis by goaf, the face of land, colliery (containing coal fire) ground surface environment, thermal anomaly and the sedimentation detection information that different satellites, different time are obtained, coal fire can be reconnoitred precision and reach raising.With the monitoring of goaf land subsidence amplitude is one of coal fire risk assessment principal element, cooperates satellite light field information and thermal anomaly information, can reach 100% to coal mine gob (containing coal fire) monitoring accuracy.Therefore, the technical scheme of the embodiment of the invention helps to improve the science and the accuracy of satellite coal fire exploration in the past.
Coal fire physical prospecting exploration technique is to survey around known fire district basically, because exploration cost height, do not have the colliery coal fire to be carried out in non-coal fire goaf and survey, more do not have the technical skill of energy enough certain physical prospecting technology in colliery as coal mine gob coal fire prediction with the physical prospecting technology; The satellite coal fire monitoring technology of present embodiment can be utilized existing abundant satellite macroscopic information and bigger visual field area, thereby realizes all goaf scopes of monitoring section are realized the coal fire exception monitoring, and therefore application promise in clinical practice is arranged.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. coal-mine fire monitoring method based on satellite remote sensing is characterized in that described method comprises:
The satellite monitoring face of land information of presumptive area is obtained in remote sensing via satellite,
Obtain the coal fire abnormal information according to the satellite monitoring face of land information of being obtained, and
Carry out the coal-mine fire monitoring according to described coal fire abnormal information.
2. method according to claim 1 is characterized in that, the described satellite monitoring face of land information of obtaining presumptive area comprises:
Obtain the satellite visible light monitoring information of presumptive area, the satellite microwave monitoring information that obtains the satellite thermal infrared monitoring information of presumptive area and obtain presumptive area.
3. method according to claim 2 is characterized in that, the described satellite visible light monitoring information that obtains presumptive area comprises:
Obtain presumptive area surface subsidence information, obtain crack, the face of land information of presumptive area and obtain the face of land combustion information of presumptive area.
4. method according to claim 2 is characterized in that, the described coal fire abnormal information of obtaining comprises:
Coal mining geology data and mining engineering data and described satellite visible light monitoring information according to described presumptive area obtain described coal fire environmental abnormality information.
5. method according to claim 2 is characterized in that, the satellite thermal infrared monitoring information that obtains of described presumptive area comprises:
Obtain face of land high temperature information, obtain in the face of land warm information and obtain face of land normal temperature information.
6. method according to claim 4 is characterized in that, the described coal fire abnormal information of obtaining also comprises:
Obtain the coal fire abnormal information according to described satellite thermal infrared monitoring information.
7. method according to claim 2 is characterized in that, the described satellite microwave monitoring information that obtains presumptive area comprises: obtain the strong sedimentation information in the face of land, obtain in the face of land sedimentation and obtain the low sedimentation information in the face of land.
8. method according to claim 7 is characterized in that, before the described satellite microwave monitoring information that obtains presumptive area, described method also comprises: set up fixedly elevation correction point of monitoring section.
9. method according to claim 8 is characterized in that, the described coal fire abnormal information of obtaining also comprises:
According to satellite microwave monitoring information and described monitoring section fixedly the elevation correction point obtain coal fire abnormal space information.
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CN103559497A (en) * 2013-10-30 2014-02-05 中国神华能源股份有限公司 Coal field fire area information extracting method and device
CN103760619A (en) * 2014-01-07 2014-04-30 中国神华能源股份有限公司 Method and device for monitoring coal field fire zone
CN103971114A (en) * 2014-04-23 2014-08-06 天津航天中为数据系统科技有限公司 Forest fire detection method based on aerial remote sensing
CN104157088A (en) * 2013-05-14 2014-11-19 丁阿维 Method for utilizing satellite remote sensing to monitor forest fire
CN106646651A (en) * 2016-12-14 2017-05-10 中国科学院遥感与数字地球研究所 Fire point detection method
CN106683038A (en) * 2016-11-17 2017-05-17 云南电网有限责任公司电力科学研究院 Method and device for generating fire situation map
CN107218970A (en) * 2017-05-24 2017-09-29 中国矿业大学 Unmanned aerial vehicle for monitoring distribution and combustion situation of coal field fire area and method thereof
CN111368782A (en) * 2020-03-16 2020-07-03 中移雄安信息通信科技有限公司 Training method of coal fire area identification model, and coal fire area identification method and device

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157088A (en) * 2013-05-14 2014-11-19 丁阿维 Method for utilizing satellite remote sensing to monitor forest fire
CN103559497A (en) * 2013-10-30 2014-02-05 中国神华能源股份有限公司 Coal field fire area information extracting method and device
CN103760619A (en) * 2014-01-07 2014-04-30 中国神华能源股份有限公司 Method and device for monitoring coal field fire zone
CN103971114A (en) * 2014-04-23 2014-08-06 天津航天中为数据系统科技有限公司 Forest fire detection method based on aerial remote sensing
CN103971114B (en) * 2014-04-23 2018-03-23 天津航天中为数据系统科技有限公司 Forest fire detection method based on air remote sensing
CN106683038A (en) * 2016-11-17 2017-05-17 云南电网有限责任公司电力科学研究院 Method and device for generating fire situation map
CN106683038B (en) * 2016-11-17 2020-07-07 云南电网有限责任公司电力科学研究院 Method and device for generating fire situation map
CN106646651A (en) * 2016-12-14 2017-05-10 中国科学院遥感与数字地球研究所 Fire point detection method
CN107218970A (en) * 2017-05-24 2017-09-29 中国矿业大学 Unmanned aerial vehicle for monitoring distribution and combustion situation of coal field fire area and method thereof
CN111368782A (en) * 2020-03-16 2020-07-03 中移雄安信息通信科技有限公司 Training method of coal fire area identification model, and coal fire area identification method and device
CN111368782B (en) * 2020-03-16 2023-11-14 中移雄安信息通信科技有限公司 Training method of coal fire area recognition model, and coal fire area recognition method and device

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