CN112796710B - Processing system and method for mining area gas extraction judgment - Google Patents
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
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Abstract
The invention discloses a processing system for mine gas extraction judgment, which comprises a database, a data processing unit, a control module, a PC (personal computer) end browsing module and a monitoring system module, wherein the data processing unit comprises a data access interface and a logic analysis and statistics module, the database is connected with the logic analysis and statistics module through the data access interface, the logic analysis module is connected with the PC end browsing module through the control module, the database receives drilling track data derived by a drilling track measuring instrument and transmits the drilling track data to the data processing module, and the database is also provided with a signal input end connected with the monitoring system module.
Description
Technical Field
The invention belongs to the field of coal mining, and particularly relates to a processing system and a processing method for judging gas extraction in a mining area.
Background
Gas extraction is a key means for preventing coal and gas outburst accidents, and the 'extraction before extraction' is a consensus of the industry. The mining effect of each mine of Huaibei mining industry group is judged in a manual mode, and the problems of complex judgment process, error-prone judgment result, disordered data management and the like exist. Therefore, a set of coal mine gas extraction standard-reaching judgment system software is urgently needed to realize extraction online monitoring, extraction digital management and online process judgment, and aiming at the problems that the manual extraction judgment process is complex, the judgment result is easy to make mistakes and the like, in the prior art, an informatization and intelligent means is adopted, the industrial standard is taken as the basis, and the expert experience and the field condition are combined, so that extraction standard-reaching online judgment is difficult to realize.
Disclosure of Invention
The invention aims to solve the technical problem of providing a processing system and a method for judging gas extraction in a mining area.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a processing system for mining area gas drainage judges, including the database, the data processing unit, a control module, PC end browsing module and monitored control system module, wherein, the package contains data access interface and logic analysis statistics module in the data processing unit, the database links to each other with logic analysis statistics module through data access interface, logic analysis module is connected with PC end browsing module through control module, with the data after receiving the processing browse the module in PC end and show, the database receives the drilling track data that drilling track measuring apparatu derived and transmits in data processing module, the database still is provided with the signal input part who links to each other with monitored control system module.
The invention discloses a processing system for mining area gas extraction judgment, wherein a data processing unit comprises a processing unit module, a coordinate conversion module, a blue light GIS platform and a receiving module, drilling track data in a database are transmitted to the processing unit module, the processing unit module is connected to a signal input end of the blue light GIS platform through the coordinate conversion module so as to transmit the processed drilling track data, and a signal output end of the blue light GIS platform is connected to the other signal input end of the processing unit module through the receiving module so as to output a mine image to the processing unit module.
The invention discloses a processing system for judging gas extraction in a mining area, wherein data transmitted to a database by a monitoring system module comprises gas extraction data and analytic data, and the gas extraction data and the analytic data are transmitted to a data processing unit by the database.
The invention discloses a processing method for judging gas extraction in a mining area, which comprises the following steps of:
s1, the system initially judges the type of the gas emission quantity, and firstly judges whether data need to be transmitted to a data processing unit;
s2, the system initially judges whether the gas emission amount belongs to a mining layer or a tunneling layer, if the gas emission amount belongs to the mining layer, data are output to a data processing module, and then the concentration and the residual gas pressure of the gas emission amount are judged;
if the gas emission quantity belongs to a tunneling layer, judging whether the gas concentration in the wind speed and the return air flow reaches the standard or not;
and S3, recording the initially judged gas data serving as final data into a database.
The invention discloses a processing method for judging gas extraction in a mining area, wherein in the step S2, if the gushed gas quantity is judged to belong to a rock stratum adjacent to a mining layer, the same steps are adopted to judge the concentration and the residual gas pressure.
The invention discloses a processing method for judging gas extraction in a mining area, wherein in the step S2, the residual gas in a tunneling layer is judged to reach the standard under the conditions that the pressure is less than 0.74MPa and the content of the residual gas is less than 8 cubic meters per ton.
The invention discloses a processing method for judging gas extraction in a mining area, which is characterized in that in the step S2, the residual gas in a mining layer or a layer adjacent to the mining layer is judged to reach the standard under the conditions that the pressure is less than 0.74MPa and the content of the residual gas is less than 8 cubic meters per ton.
By adopting the technical scheme, the system of the scheme is adopted to pre-judge the rock stratum and the quantity of the underground residual gas quantity, so that the functions of mine gas monitoring information display, gas extraction basic data management, extraction standard-reaching online process judgment, extraction pipeline visual display and the like are realized, real-time monitoring of all levels of gas extraction quantities of an extraction pipeline, a working face, an evaluation unit, a metering point and a drill hole is provided for a coal mine user, the occurrence of coal mine safety accidents is effectively prevented and controlled, the underground gas condition is known more accurately, and the normal operation of the mine safety production order and the life and property safety of people are guaranteed.
The invention will be described in more detail below with reference to the drawings and examples.
Drawings
The following brief description of the drawings and reference numerals in the drawings forms a part of this specification:
FIG. 1 is a schematic signal transmission diagram of a processing system according to the present invention;
FIG. 2 is a block diagram of the processing system of the present invention;
FIG. 3 is a logic flow diagram of a processing method of the present invention;
fig. 4 is a schematic diagram of the information of the measuring points set in the present invention.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will make the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships between the components, the functions and operating principles of the components, the manufacturing process and the operation method, etc., more detailed description so as to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solution of the present invention.
FIG. 1 is a schematic diagram of signal transmission of a processing system of the invention, FIG. 2 is a schematic diagram of module signal connection of the processing system of the invention, and the processing system for gas extraction judgment in a mining area shown in FIGS. 1 and 2 comprises a database, a data processing unit, a control module, a PC-side browsing module and a monitoring system module, wherein the data processing unit comprises a data access interface and a logic analysis and statistics module, the database is connected with the logic analysis and statistics module through the data access interface, the logic analysis module is connected with the PC-side browsing module through the control module to receive processed data to be displayed on the PC-side browsing module, the database receives drilling track data derived by a drilling track measuring instrument and transmits the drilling track data to the data processing module, the data processing unit comprises a processing unit module, a coordinate conversion module, a blue light GIS platform and a receiving module, drilling track data in the database are transmitted to the processing unit module, the processing unit module is connected to the signal input end of the blue light GIS platform through the coordinate conversion module to transmit the processed drilling track data, the signal output end of the blue light GIS platform is connected to the other signal input end of the processing unit module through the receiving module to output a mine drawing to the processing unit module, the data transmitted to the database by the monitoring system module comprises gas extraction data and analytic data, and the database transmits the gas extraction data and the analytic data to the data processing unit.
The system is based on monitoring data of a safety monitoring system, simultaneously carries out digital management on basic information of extraction related working faces, evaluation units and the like, takes 'temporary standard reaching regulations of coal mine gas extraction' as a theoretical basis on the basis, and is assisted by expert experience and field conditions, so that the online judgment of the coal mine gas extraction effect is realized.
Fig. 3 is a logic flow chart of the processing method in the present invention, and the processing method for judging gas extraction in a mining area shown in fig. 3 includes the following steps:
s1, the system initially judges the type of the gas emission quantity, and firstly judges whether data need to be transmitted to a data processing unit;
s2, the system initially judges whether the gas emission amount belongs to a mining layer or a tunneling layer, if the gas emission amount belongs to the mining layer, data are output to a data processing module, and then the concentration and the residual gas pressure of the gas emission amount are judged;
if the gas emission quantity belongs to the tunneling layer, judging whether the gas concentration in the wind speed and the return air flow reaches the standard or not;
and S3, recording the initially judged gas data serving as final data into a database.
And in the step S2, if the gushing gas amount is judged to belong to the rock stratum adjacent to the mining layer, the concentration and the residual gas pressure are judged by adopting the same step.
And judging that the residual gas in the tunneling layer reaches the standard under the conditions that the pressure is less than 0.74MPa and the residual gas content is less than 8 cubic meters per ton in the step S2, and judging that the residual gas in the mining layer or the layer close to the mining layer reaches the standard under the conditions that the pressure is less than 0.74MPa and the residual gas content is less than 8 cubic meters per ton in the step S2.
Fig. 4 is a schematic view of information of a measurement point set in the invention, and the gas extraction standard-reaching judgment software comprises two sub-modules of gas extraction and standard-reaching judgment. The gas extraction comprises a GIS map, extraction utilization amount configuration, gas utilization rate statistics, pipeline extraction amount statistics, gas extraction two statistics, extraction metering point definition, extraction pipeline monitoring parameter definition, real-time data monitoring and a historical curve;
the extraction control and the extraction effect judgment are divided into extraction digital management and online process judgment. The information to be managed by the extraction digital management comprises working face information, coal seam information, evaluation unit information, drill site information, extraction pipeline information, artificial measuring point information, artificial measuring data information, field actual measurement parameter information and the like, and the standard reaching judgment comprises working face management, evaluation unit management, coal seam basic parameter management, artificial measuring point data management, artificial measuring point configuration, evaluation unit splitting, basic condition judgment, pre-judgment, final judgment data entry and final judgment.
The system is divided into a sensing layer, a persistent layer, a service layer and an application layer from bottom to top.
The perception layer comprises a gas flow metering device, a portable gas flow meter, a KJ90X safety monitoring system and a KJ73X safety monitoring system, and all the devices are the keys for collecting gas measurement data at the bottom layer and provide data sources for the persistence layer.
The persistent layer comprises gas extraction monitoring data transmitted by the sensing layer, extraction standard data generated by system judgment, basic data of normal operation of the system and other data.
The service layer comprises a working face absolute gas emission quantity prediction model, a gas utilization quantity, utilization rate calculation model, an extraction effect pre-evaluation model and a prediction residual time prediction model, and corresponding results are calculated by the models according to data provided by the persistent layer and are sent to the application layer.
The application layer comprises the functions of GIS (geographic information System) map drawing, gas monitoring statistical analysis, gas extraction management, extraction lower effect judgment, judgment report derivation and the like.
The unified collection of the gas extraction data comprises a drilling track data access program and a Meiansen data analysis program of the Western's institute, a gas extraction data uploading protocol is agreed through communication, the data analysis program is researched and developed, a data file generated by the Meiansen data uploading program under a server appointed directory is automatically read every day, the data file is analyzed into structured data according to the protocol, and the structured data is stored in an extraction judgment database.
The monitored drilling track data has the function of exporting Excel track data files, so that the Excel track data exported by the drilling track measuring instrument is converted into a coordinate format which can be identified by a blue light GIS platform in a coordinate conversion mode, and the drilling track is visually displayed on the GIS platform.
By adopting the technical scheme, the system of the scheme is adopted to pre-judge the rock stratum and the quantity of the underground residual gas quantity, so that the functions of mine gas monitoring information display, gas extraction basic data management, extraction standard-reaching online process judgment, extraction pipeline visual display and the like are realized, real-time monitoring of all levels of gas extraction quantities of an extraction pipeline, a working face, an evaluation unit, a metering point and a drill hole is provided for a coal mine user, the occurrence of coal mine safety accidents is effectively prevented and controlled, the underground gas condition is known more accurately, and the normal operation of the mine safety production order and the life and property safety of people are guaranteed.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (1)
1. A processing method of a processing system for judging gas extraction in a mining area is characterized by comprising the following steps: the system comprises a database, a data processing unit, a control module, a PC (personal computer) end browsing module and a monitoring system module, wherein the data processing unit comprises a data access interface and a logic analysis and statistics module, the database is connected with the logic analysis and statistics module through the data access interface, the logic analysis module is connected with the PC end browsing module through the control module so as to receive processed data and display the processed data on the PC end browsing module, the database receives drilling track data led out by a drilling track measuring instrument and transmits the drilling track data to the data processing module, and the database is also provided with a signal input end connected with the monitoring system module; the data processing unit comprises a processing unit module, a coordinate conversion module, a blue light GIS platform and a receiving module, drilling track data in the database are transmitted to the processing unit module, the processing unit module is connected to a signal input end of the blue light GIS platform through the coordinate conversion module to transmit the processed drilling track data, and a signal output end of the blue light GIS platform is connected to the other signal input end of the processing unit module through the receiving module to output a mine image to the processing unit module; the data transmitted by the monitoring system module in the database comprise gas extraction data and analytic data, and the database transmits the gas extraction data and the analytic data to the data processing unit;
the processing method using the mining area gas extraction judgment processing system comprises the following steps:
s1, the system initially judges the type of the gas emission quantity, and firstly judges whether data need to be transmitted to a data processing unit;
s2, the system initially judges whether the gas emission quantity belongs to a mining layer or a tunneling layer, if the gas emission quantity belongs to the mining layer, data are output to a data processing module, the concentration and the residual gas pressure of the data are judged, if the gas emission quantity belongs to a rock stratum adjacent to the mining layer, the same steps are adopted for judging the concentration and the residual gas pressure, and the residual gas in the tunneling layer is judged to reach the standard under the conditions that the pressure is less than 0.74MPa and the residual gas content is less than 8 cubic meters per ton; judging that the residual gas in the mining layer or the adjacent layer reaches the standard under the conditions that the pressure is less than 0.74MPa and the content of the residual gas is less than 8 cubic meters per ton;
if the gas emission quantity belongs to a tunneling layer, judging whether the gas concentration in the wind speed and the return air flow reaches the standard or not;
and S3, recording the initially judged gas data serving as final data into a database.
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| CN113513361B (en) * | 2021-08-10 | 2022-04-29 | 北京大学 | Method and system for regulating and controlling gas concentration of stope face of high-gas coal mine |
| CN114320440A (en) * | 2021-11-29 | 2022-04-12 | 淮北矿业股份有限公司 | Up-down combined extraction method for well |
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| GB0324726D0 (en) * | 2003-10-22 | 2003-11-26 | Leica Geosystems Ag | Method and apparatus for managing information exchanges between communicating entities, E.G. apparatus on a worksite |
| CN106777528A (en) * | 2016-11-25 | 2017-05-31 | 山东蓝光软件有限公司 | The holographic forecast method of mine air-required volume |
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| CN104881500A (en) * | 2015-06-19 | 2015-09-02 | 贵州省矿山安全科学研究院 | Local area network system for dynamic prediction of coal mine gas geology and gas emission |
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| CN106777528A (en) * | 2016-11-25 | 2017-05-31 | 山东蓝光软件有限公司 | The holographic forecast method of mine air-required volume |
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