CN113780719A - A comprehensive evaluation method of mine geological environment - Google Patents
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Abstract
本发明属于环境评价技术领域，公开了一种矿山地质环境综合评价方法，利用数据采集模块采集反应矿山环境信息的质、量特征，利用数据处理模块对采集的数据进行数字化处理，处理后的信息存储于服务器中；对数据间的联系进行分析；通过评价等级标准化模块基于运算建立评价等级的划分，建立影响因子与生态环境质量评价值之间的关系；建立矿山生态环境评价因子指标等级阈值，建立矿山生态环境综合评定等级；计算不同等级矿山环境质量综合评价值。本发明基于采集的因子数据分析，实现数据的降维，避免后期复杂计算，基于层次分析法评价种方法，评价模型简单明了，同时又具有概括性和针对性，评价结果与实际情况较为符合，降低人为因素的影响。
The invention belongs to the technical field of environmental assessment, and discloses a comprehensive assessment method for mine geological environment. Store in the server; analyze the relationship between the data; establish the division of the evaluation level based on the operation through the evaluation level standardization module, and establish the relationship between the impact factor and the evaluation value of the ecological environment quality; establish the mine ecological environment evaluation factor index level threshold, Establish a comprehensive evaluation grade of mine ecological environment; calculate the comprehensive evaluation value of mine environmental quality of different grades. Based on the analysis of the collected factor data, the invention realizes the dimensionality reduction of the data, avoids the complicated calculation in the later stage, and evaluates various methods based on the analytic hierarchy process. Reduce the impact of human factors.
Description
Technical Field
The invention belongs to the technical field of environmental evaluation, and particularly relates to a comprehensive evaluation method for a mine geological environment.
Background
At present, population, resources and environment are important problems of global general attention in modern times. Ecological environmental issues caused by the development of mineral resources have become a focus of global attention. For a long time, mining production executes a route with high energy consumption, high pollution and difficult comprehensive recovery of resources, heavy mining development and light treatment are carried out, and the ecological environment of mining is seriously damaged. Large-area subsidence of the coal mine goaf, surface deformation, ground cracks, landslide, collapse, accumulated damage of tailings and waste rocks and occupation of a large amount of land; mining damages vegetation and a water balance system, so that the underground water level of an area is reduced, water and soil are lost, and the land desertification is serious; the three wastes of mine enterprises are discharged out of order, which causes serious pollution to water and soil environment, causes water and soil resource exhaustion, and the water and soil pollution treatment task is very heavy and difficult to return. The development of mineral resources causes serious destruction of land resources and ecological environment and economic and social problems caused thereby.
The result of the comprehensive action of various factors influencing the mine environment is reflected on the environmental geology problem. The environmental and geological problems of one area are more, the intensity is high, the geological environment quality is poor, and otherwise, the geological environment quality is relatively good. Therefore, the selected indexes for geological environment evaluation are based on the structure, composition, interaction, various pressure responses and the space-time evolution rule of the mine environment system, the selected environmental indexes cover a proper space-time range to reflect multiple environmental factors, the result provided by the indexes is objective and accurate, the quality and the quantity of the reflected mine environment information are maximized, and the used time and the cost are minimized.
Along with the increasing demand on resources of economic growth, the mine geological environment deteriorates continuously, so that the evaluation of the mine geological environment is extremely important. The effectiveness of evaluation indexes needs to be emphasized while negative effects brought by mine construction and exploitation are comprehensively considered. The objectivity of the mine geological environment evaluation result can be ensured only by selecting a correct evaluation method, a proper evaluation index and a reasonable evaluation grade.
The conventional evaluation methods comprise a grid method, a vector polygon method, a fuzzy comprehensive evaluation method and the like, wherein the defects of different methods are relatively more, for example, the coincidence degree of the evaluation result of the grid method and the field boundary is poorer, and the development trend is better predicted and more information can be reflected, but the evaluation result is greatly influenced by human experience and is not easy to operate, so that the evaluation result is not easy to accept by other people. The evaluation result of the vector polygon method is higher in coincidence degree with the actual boundary, can reflect more information quantity, is less influenced by human experience, is easier to operate, and is slightly poor in prediction of the development trend. The weight and the membership degree of the fuzzy comprehensive evaluation method are difficult to determine.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the characteristics of the data collected at the early stage are not analyzed in detail, and the data are correlated, so that the complexity of a later evaluation system is caused. The data feature covers the locality, and the collected data is not representative. Affecting the accuracy of the evaluation system.
(2) The comprehensive evaluation method of the evaluation system for the characteristic parameters is insufficient, the deviation of the predicted value from the actual value is large, the evaluation system is easily influenced by human factors, and the model parameters in the evaluation system are difficult to determine.
(3) The evaluation method is not carried out by an evaluation system as a support.
(4) Most of the evaluation works are only to evaluate a certain index of the mine, so that the quality of the ecological environment of a mining area is difficult to comprehensively reflect, for example, single factor evaluation on coal bed gas geology, heavy metal pollution, life quality of dust lung of workers, underground water pollution, atmospheric pollution and geological disasters.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a comprehensive evaluation method for a mine geological environment.
The invention is realized in such a way that a comprehensive evaluation method for the geological environment of the mine comprises the following steps:
acquiring quality and quantity characteristics reflecting mine environment information by using a data acquisition module, wherein the characteristics mainly comprise three aspects of acquisition of natural endowment, ecological environment and human condition;
step two, the data processing module is used for carrying out digital processing on the acquired data, and the processed information is stored in a server;
thirdly, analyzing the relation among the data through cleaning and supplementing the data and based on a principal component analysis algorithm, realizing the dimensionality reduction of the data and extracting evaluation factors;
establishing evaluation grade division based on operation through an evaluation grade standardization module, establishing modeling based on an analytic hierarchy process and factor data output by a data analysis module, and establishing a relation between an influence factor and an ecological environment quality evaluation value;
establishing a mine ecological environment evaluation factor index grade threshold based on the divided mine environment quality grade, and establishing a mine ecological environment comprehensive evaluation grade according to the calculated grade threshold; and calculating the comprehensive evaluation values of the mine environment quality of different levels by using the determined weight values.
Further, in the first step, the data acquisition module comprises a plurality of environment detection units and positioning units which are arranged at different positions, and a data retrieval unit for extracting the human information in the server.
Further, the data acquisition method adopted by the data acquisition module comprises the following steps:
synchronously detecting different positions of the mine by using a plurality of environment detection units at different positions, and acquiring environment information of the mine and the surrounding environment at each position;
the positioning units connected with the environment detection units are used for correlating the data packets acquired by the environment detection units with the position information;
searching and extracting the human information of the corresponding position in the server by using a data searching unit according to the position information associated with each data packet;
and associating the retrieved and extracted human information with the data packet corresponding to the same position.
Further, the data acquisition module further comprises an image acquisition processing unit, and the image acquisition and processing method adopted by the image acquisition processing unit comprises the following steps:
acquiring geological images of a mine through an industrial camera, and processing the acquired images;
constructing a three-dimensional model of the mine by using the processed geological image;
and comparing the surface parameter data of the three-dimensional model with historical data, and drawing a geological evolution curve of the mine.
Further, the natural endowments comprise ore deposit grade, ore forming conditions, mining modes, weather and meteorological conditions and hydrologic condition information.
Further, in step four, the main steps of the analytic hierarchy process include:
establishing a hierarchical structure;
establishing a judgment matrix;
calculating and sorting the weight;
and (5) checking the consistency of the judgment matrix.
Further, the establishing of the determination matrix specifically includes:
determining a preliminary judgment matrix according to the established hierarchical structure;
carrying out normalization processing on the preliminary judgment matrix to obtain an evaluation index judgment matrix;
calculating a characteristic vector of the evaluation index judgment matrix according to the evaluation index judgment matrix;
and calculating the weight of each evaluation index, and judging whether the weight of each evaluation index is smaller than a threshold value to obtain a judgment result.
By combining all the technical schemes, the invention has the advantages and positive effects that:
(1) based on the analysis of the collected factor data, the preliminary treatment is carried out, the dimensionality reduction of the data is realized, and the complex calculation in the later period is avoided.
(2) The seed evaluation method based on the analytic hierarchy process is simple and clear in evaluation model and has generality and pertinence. The evaluation index weight is calculated by adopting a subjective and objective combined weighting method, and the evaluation result is more consistent with the actual situation.
(3) The evaluation grade is calculated based on operation, and the influence of human factors is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a flow chart of a comprehensive evaluation method for geological environment of a mine provided by the embodiment of the invention.
Fig. 2 is a flowchart of a data acquisition method employed by a data acquisition module according to an embodiment of the present invention.
Fig. 3 is a flowchart of an image acquisition and processing method adopted by the image acquisition and processing unit according to the embodiment of the present invention.
Fig. 4 is a flowchart of a method for establishing a decision matrix according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Based on the current importance on ecological environment, the method is of great importance for mine environment quality evaluation, but the existing evaluation method provides a concept method with ambiguity, the actual evaluation still needs a large amount of data for analysis, and meanwhile, the evaluation method has larger error compared with the actual evaluation method. Based on the problems, the patent provides a comprehensive evaluation method for the geological environment of the mine.
Aiming at the problems in the prior art, the invention provides a comprehensive evaluation method for a mine geological environment. The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for comprehensively evaluating the geological environment of the mine provided by the embodiment of the invention comprises the following steps:
s101, acquiring quality and quantity characteristics reflecting mine environment information by using a data acquisition module, wherein the characteristics mainly comprise three aspects of acquisition of natural endowment, ecological environment and human condition;
s102, carrying out digital processing on the acquired data by using a data processing module, and storing the processed information in a server;
s103, analyzing the relation among the data through cleaning and supplementing the data and based on a principal component analysis algorithm, realizing the dimensionality reduction of the data and extracting an evaluation factor;
s104, establishing evaluation grade division based on operation through an evaluation grade standardization module, establishing modeling based on an analytic hierarchy process and factor data output by a data analysis module, and establishing a relation between an influence factor and an ecological environment quality evaluation value;
s105, establishing a mine ecological environment evaluation factor index grade threshold value based on the divided mine environment quality grade, and establishing a mine ecological environment comprehensive evaluation grade according to the calculated grade threshold value; and calculating the comprehensive evaluation values of the mine environment quality of different levels by using the determined weight values.
In step S101 in the embodiment of the present invention, the data acquisition module includes a plurality of environment detection units and positioning units that are disposed at different positions, and a data retrieval unit that is used to extract the human information in the server.
As shown in fig. 2, the data acquisition method adopted by the data acquisition module in the embodiment of the present invention includes:
s201, synchronously detecting different positions of a mine by using a plurality of environment detection units at different positions, and acquiring environment information of the mine and surrounding environment at each position;
s202, associating the data packet acquired by the environment detection unit with the position information by using the positioning unit connected with each environment detection unit;
s203, retrieving and extracting the human information of the corresponding position in the server by using the data retrieval unit according to the position information associated with each data packet;
and S204, associating the retrieved and extracted human information with the data packet corresponding to the same position.
The data acquisition module in the embodiment of the present invention further includes an image acquisition processing unit, and as shown in fig. 3, the image acquisition and processing method adopted by the image acquisition processing unit includes:
s301, collecting geological images of the mine through an industrial camera, and processing the collected images;
s302, constructing a three-dimensional model of the mine by using the processed geological image;
and S303, comparing the surface parameter data of the three-dimensional model with historical data, and drawing a geological evolution curve of the mine.
The natural endowments in the embodiment of the invention comprise ore deposit grade, ore forming conditions, mining modes, weather and meteorological conditions and hydrological condition information.
In step S104 in the embodiment of the present invention, the main steps of the analytic hierarchy process include:
establishing a hierarchical structure;
establishing a judgment matrix;
calculating and sorting the weight;
and (5) checking the consistency of the judgment matrix.
As shown in fig. 4, the establishing of the determination matrix in the embodiment of the present invention specifically includes:
s401, determining a preliminary judgment matrix according to the established hierarchical structure;
s402, normalizing the preliminary judgment matrix to obtain an evaluation index judgment matrix;
s403, calculating a characteristic vector of the evaluation index judgment matrix according to the evaluation index judgment matrix;
s404, calculating the weight of each evaluation index, and judging whether the weight of each evaluation index is smaller than a threshold value to obtain a judgment result.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.
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| CN116645001A (en) * | 2023-06-01 | 2023-08-25 | 中国地质科学院矿产资源研究所 | Metal mine environment evaluation method and device based on multidimensional data analysis |
| CN116645001B (en) * | 2023-06-01 | 2024-04-30 | 中国地质科学院矿产资源研究所 | Metal mine environment evaluation method and device based on multidimensional data analysis |
| CN117010719A (en) * | 2023-08-14 | 2023-11-07 | 湖南省自然资源事务中心 | Comprehensive investigation and evaluation method for mine geological environment influence |
| CN117010719B (en) * | 2023-08-14 | 2024-01-30 | 湖南省自然资源事务中心 | Comprehensive investigation and evaluation method for mine geological environment influence |
| CN117787570A (en) * | 2024-02-26 | 2024-03-29 | 山东公用环保科技集团有限公司 | Comprehensive evaluation method and system for heavy metal pollution of water environment |
| CN117787570B (en) * | 2024-02-26 | 2024-05-17 | 山东公用环保科技集团有限公司 | Comprehensive evaluation method and system for heavy metal pollution of water environment |
| CN119313229A (en) * | 2024-12-18 | 2025-01-14 | 临沂河川技术服务有限公司 | A comprehensive evaluation method and system for mine geological environment |
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