CN103912313B - A kind of mine motive force harmonic extraction method - Google Patents
A kind of mine motive force harmonic extraction method Download PDFInfo
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- CN103912313B CN103912313B CN201410148404.5A CN201410148404A CN103912313B CN 103912313 B CN103912313 B CN 103912313B CN 201410148404 A CN201410148404 A CN 201410148404A CN 103912313 B CN103912313 B CN 103912313B
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Abstract
The invention discloses a kind of mine motive force harmonic extraction method, this mine motive force harmonic extraction method comprises the following steps: application two grades of predictive software systems of mine motive force disaster, it is achieved the subdivision probabilistic forecasting that work surface is dangerous；According to different dangerous marginal values, the danger of mine motive force disaster regional prediction is divided into different brackets；According to the dangerous probit of each predicting unit, first select when condition is suitable for regional danger releasing measures to clear, or take corresponding local danger releasing measures to reduce degree of danger；In time coal and rock state is detected while the engineering progress of down-hole, the effectiveness of inspection danger releasing measures, take the precautionary measures according to assay in time, for different danger classes, use corresponding Preventing Countermeasures.The present invention carries out two grades of predictions to mine working face, and after taking gas pumping control measures, mathematical expectation of probability is greatly reduced, and control measures effect is notable.
Description
Technical field
The invention belongs to pit mining technical field, particularly relate to a kind of mine motive force harmonic extraction method.
Background technology
The preventing and treating of mine motive force disaster is a systematic engineering of business, mainly includes regional prediction, local detection, solution danger and security protection
Four parts.Research in terms of local detection and danger releasing measures is closely ripe the most both at home and abroad, from preventing and treating mine motive force disaster side
Face is seen, these methods are all effective, but still suffers from certain difficulty for implementing, and is in a kind of passive harness status.
Summary of the invention
It is an object of the invention to provide a kind of mine motive force harmonic extraction method, it is intended to according to the dangerous probability of each predicting unit
Value, first selects regional danger releasing measures to clear when condition is suitable for, or takes corresponding local danger releasing measures to reduce danger
Danger degree, according to testing result, decides to continue with engineering activity or takes safety prevention measure in time.
The present invention is achieved in that a kind of mine motive force harmonic extraction method comprises the following steps:
Step one, application two grades of predictive software systems of mine motive force disaster, it is achieved the subdivision probabilistic forecasting that work surface is dangerous；
Step 2, according to different dangerous marginal values, the danger of mine motive force disaster regional prediction is divided into different brackets,
In actual exploitation work, when tunnelling or working face extraction enter into different predicting unit, engineering present position can be known a priori by
Danger, take corresponding prophylactico-therapeutic measures in advance；
Step 3, dangerous probit according to each predicting unit, first select regional danger releasing measures to solve when condition is suitable for
Except danger, or corresponding local danger releasing measures is taked to reduce degree of danger；
Step 4, in time coal and rock state is detected while the engineering progress of down-hole, the effectiveness of inspection danger releasing measures,
Take the precautionary measures according to assay in time, for different danger classes, use corresponding Preventing Countermeasures.
Further, two grades of predictive software systems of described mine motive force disaster by stress and strain model subsystem, data import subsystem,
Dynamic calculation subsystem, mine motive force hazard prediction subsystem and grade of risk subsystem composition, each subsystem is connect by data
Mouthful realizing data communication with AutoCAD, database system uses Access, in order to preserve coal seam thickness, rift structure,
Mining induced stress value, gas pressure, gas bearing capacity, drilling gas are gushed out the parameters of mining face such as initial velocity q and coal powder quantity of bore S, figure
File uses AutoCAD general file dwg form, it was predicted that result can use printer or drawing apparatus output.
Further, two grades of predictive software systems of described mine motive force disaster are to analyze and one based on mine motive force disaster occurrence condition
Level predicts the outcome, and using coal-face as object of study, then estimation range is divided into some unit, calculates naturalness
The dynamic disaster that goes down into a mine is dangerous and predicts the outcome relative analysis with one-level, the influence factor chosen be the stress of primary rock, coal seam thickness,
The zoned parameters such as gas pressure, gas bearing capacity, rift structure and drilling gas are gushed out initial velocity q, coal powder quantity of bore S, Gas
The parameters of mining faces such as amount, are calculated by mining induced stress calculating, gas remainder quantity and protective coat extracted calculate, analysis project activity
Impact on mine motive force disasters danger, mine motive force hazard management is had by the assessment measure such as protective coat extracted, gas pumping
Effect property.
Further, described mine motive force harmonic extraction method uses different prevention and controls for different grades, for grade
Be I grade without hazardous area, normally detect, can be with back production, for the threat district that grade is II grade, strengthen detection, strengthen local
Danger releasing measures, for the hazardous area that grade is III grade, strengthens release and dredges pressure measure, improve danger releasing measures parameter, when increasing extraction
Between.
Effect collects
The present invention carries out two grades of predictions to mine working face, and after taking gas pumping control measures, mathematical expectation of probability is greatly reduced, and controls
Reason measure effect is notable.
Accompanying drawing explanation
Fig. 1 is the mine motive force harmonic extraction method flow diagram that the embodiment of the present invention provides；
Fig. 2 is two grades of prognoses system structure charts of mine motive force disasters danger that the embodiment of the present invention provides；
Fig. 3 is the Mining CAD System structure based on AutoCAD that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.Should be appreciated that specific embodiment described herein, and need not only in order to explain the present invention
In limiting the present invention.
Fig. 1 shows the mine motive force harmonic extraction method flow of the present invention, as it can be seen, the present invention is achieved in that one
Plant mine motive force harmonic extraction method to comprise the following steps:
S101: application two grades of predictive software systems of mine motive force disaster, it is achieved the subdivision probabilistic forecasting that work surface is dangerous；Respectively
Unit danger probit is the concentrated expression on mine motive force disaster impacts such as coal and gas prominent of multiple factor, is a unification
Prediction index.
S102: the danger of mine motive force disaster regional prediction is divided into different brackets according to different dangerous marginal values.Real
In the exploitation work of border, when tunnelling or working face extraction enter into different predicting unit, engineering present position can be known a priori by
Danger, takes corresponding prophylactico-therapeutic measures in advance；
S103: according to the dangerous probit of each predicting unit, first selects regional danger releasing measures to release when condition is suitable for
Danger, or take corresponding local danger releasing measures to reduce degree of danger；
S104: in time coal and rock state is detected while the engineering progress of down-hole, the effectiveness of inspection danger releasing measures, root
Take the precautionary measures according to assay in time, for different danger classes, use corresponding Preventing Countermeasures.
Further, as it is shown on figure 3, described two grades of predictive software systems of mine motive force disaster are by stress and strain model subsystem, data
Import subsystem, dynamic calculation subsystem, mine motive force hazard prediction subsystem and grade of risk subsystem composition, each subsystem
Uniting and realize data communication by data-interface and AutoCAD, database system uses Access, in order to preserve coal seam thickness,
Rift structure, mining induced stress value, gas pressure, gas bearing capacity, drilling gas are gushed out the work surface such as initial velocity q and coal powder quantity of bore S
Parameter, graphic file uses AutoCAD general file dwg form, it is possible to call the mining operation plane of dwg form easily
The graph datas such as figure, gas-geologic map, it was predicted that result can use printer or drawing apparatus output.
Further, as in figure 2 it is shown, described two grades of predictive software systems of mine motive force disaster are to occur based on mine motive force disaster
Condition analysis and one-level predict the outcome, and using coal-face as object of study, then estimation range are divided into some unit,
Calculating the naturalness dynamic disaster that goes down into a mine dangerous and predict the outcome relative analysis with one-level, the influence factor chosen answers for protolith
The zoned parameters such as power, coal seam thickness, gas pressure, gas bearing capacity, rift structure and drilling gas are gushed out initial velocity q, brill
The parameters of mining faces such as bits amount S, gas emission, are calculated and protective coat extracted meter by mining induced stress calculating, gas remainder quantity
Calculating, the analysis project activity impact on mine motive force disasters danger, the assessment measure such as protective coat extracted, gas pumping is to mine
The effectiveness that dynamic disaster is administered.
Further, described mine motive force harmonic extraction method uses different prevention and controls for different grades, for grade
Be I grade without hazardous area, normally detect, can be with back production, for the threat district that grade is II grade, strengthen detection, strengthen local
Danger releasing measures, for the hazardous area that grade is III grade, strengthens release and dredges pressure measure, improve danger releasing measures parameter, when increasing extraction
Between.
The present invention carries out two grades of predictions to mine working face, and after taking gas pumping control measures, mathematical expectation of probability is greatly reduced, and controls
Reason measure effect is notable.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not limit to scope
System, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art need not pay
Go out various amendments or deformation that performing creative labour can make still within protection scope of the present invention.
Claims (4)
1. a mine motive force harmonic extraction method, it is characterised in that described mine motive force harmonic extraction method includes:
Step one, application two grades of predictive software systems of mine motive force disaster, it is achieved the subdivision probabilistic forecasting that work surface is dangerous；
Step 2, according to different dangerous marginal values, the danger of mine motive force disaster regional prediction is divided into different brackets,
In actual exploitation work, when tunnelling or working face extraction enter into different predicting unit, engineering present position can be known a priori by
Danger, take corresponding prophylactico-therapeutic measures in advance；
Step 3, dangerous probit according to each predicting unit, first select regional danger releasing measures to solve when condition is suitable for
Except danger, or corresponding local danger releasing measures is taked to reduce degree of danger；
Step 4, in time coal and rock state is detected while the engineering progress of down-hole, the effectiveness of inspection danger releasing measures,
Take the precautionary measures according to assay in time, for different danger classes, use corresponding Preventing Countermeasures.
2. mine motive force harmonic extraction method as claimed in claim 1, it is characterised in that described mine motive force disaster two
Level predictive software systems is imported subsystem, dynamic calculation subsystem, mine motive force hazard prediction by stress and strain model subsystem, data
Subsystem and grade of risk subsystem composition, each subsystem realizes data communication, after system by data-interface with AutoCAD
Platform data base uses Access, in order to preserve coal seam thickness, rift structure, mining induced stress value, gas pressure, gas bearing capacity,
Drilling gas is gushed out initial velocity q and these parameters of mining faces of coal powder quantity of bore S, and graphic file uses AutoCAD general file dwg
Form, it was predicted that result printer or drawing apparatus output.
3. mine motive force harmonic extraction method as claimed in claim 1, it is characterised in that described mine motive force disaster two
Level predictive software systems is to predict the outcome, using coal-face as research based on mine motive force disaster occurrence condition analysis and one-level
Object, is then divided into some unit by estimation range, calculates the naturalness dynamic disaster that goes down into a mine dangerous and predict with one-level
Comparative result analyze, the influence factor chosen be the stress of primary rock, coal seam thickness, gas pressure, gas bearing capacity, rift structure this
A little zoned parameters and drilling gas are gushed out initial velocity q, coal powder quantity of bore S, these parameters of mining faces of gas emission, answer by adopting
Power calculates, gas remainder quantity calculates and protective coat extracted calculates, the analysis project activity impact on mine motive force disasters danger,
Assessment protective coat extracted, these measures of the gas pumping effectiveness to mine motive force hazard management.
4. mine motive force harmonic extraction method as claimed in claim 1, it is characterised in that described mine motive force is coordinated to open
Mining method uses different prevention and controls for different grade, for grade be I grade without hazardous area, normally detect, carry out
Back production, for the threat district that grade is II grade, strengthens detection, strengthens local danger releasing measures, for the hazardous area that grade is III grade,
Strengthen release and dredge pressure measure, improve danger releasing measures parameter, increase the extraction time.
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| GB2354789B (en) * | 1998-04-30 | 2002-07-24 | Us Gov Health & Human Serv | Method and apparatus for load rate monitoring |
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| CN102644482B (en) * | 2012-05-18 | 2014-04-02 | 河南大有能源股份有限公司 | Rock burst predicting and warning method |
| CN103256073B (en) * | 2013-04-28 | 2015-07-29 | 中国矿业大学 | Underground coal mine impulsion pressure degree and zoning Forecasting Methodology |
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Inventor after: Chen Ying Inventor after: Guo Chao Inventor after: Song Weihua Inventor after: Li Sheng Inventor after: Lv Pengfei Inventor before: Guo Chao Inventor before: Chen Ying Inventor before: Song Weihua Inventor before: Li Sheng Inventor before: Lv Pengfei |
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Application publication date: 20140709 Assignee: Liaoning Xinying Mining Technology Co.,Ltd. Assignor: LIAONING TECHNICAL University Contract record no.: X2023210000045 Denomination of invention: A Method for Coordinated Mining of Mine Power Granted publication date: 20160817 License type: Common License Record date: 20230628 |