井工金礦采選過(guò)程安全預(yù)警系統(tǒng)構(gòu)建及應(yīng)用研究
[Abstract]:In recent years, China's gold production has greatly increased, gold production ranks first in the world for six consecutive years, but gold mine safety accidents also show an upward trend, heavy casualties of gold production enterprises occur frequently, huge social and economic pressure, requires gold production enterprises must increase safety investment, and vigorously reverse the current very serious safety. In the whole situation, the research object of this paper is the most dangerous gold mine in the gold mining industry. The purpose is to provide reference for the gold production enterprises to improve the safety management and technical level by constructing the safety early warning system in the mining and dressing process of gold mine. In general, these safety monitoring systems can only monitor single safety index. The research on early warning of gold mine safety in domestic scientific research institutions is still in the initial and exploratory stage. No research papers and achievements have been found in this field at home and abroad through literature retrieval. On the basis of safety technical standards and specifications, combined with the statistical data of accidents in three gold mines in Yunnan and Guizhou for many years, guided by the theory of system science, and taking advantage of scientific theories and methods such as safety monitoring technology, safety evaluation technology, and computer network and other advanced technical means, this paper aims at the characteristics of gold mining and dressing enterprises in coal mines. Through the risk analysis of mining and dressing process of gold mine, the establishment of safety early warning index, the construction of safety early warning model and the establishment of digital safety early warning system, the dynamic safety monitoring and early warning are carried out to realize the real-time monitoring, diagnosis, control and correction of safety production activities, providing theoretical basis for preventing and reducing the occurrence of accidents. And technical support to realize the feed-forward control, process control, feedback control of the mining and dressing process of gold mine, and ultimately realize the goal of intrinsic safety management of gold mine mining and dressing enterprise. Establishment of early-warning index system for process safety, (4) Construction of early-warning system model for mining and dressing process of gold mine, (5) Establishment and Realization of early-warning system for mining and dressing process of gold mine are the key points of this research. The main conclusions and achievements are as follows. 1. Theoretical research. This paper studies the theory, technology and realization path of security early warning from the perspective of security philosophy. This paper holds that the ideological root of security early warning research is the modern security philosophy with the core of intrinsic security thought, and security early warning research. Modern system theory: system theory, cybernetics, information theory, catastrophe theory, synergy theory, dissipative structure theory are the methodological basis for the study of safety early warning. Accident cause theory provides the research object for the study of safety early warning. Secondly, this paper holds that the technical basis of safety early warning is mainly safety monitoring technology, safety evaluation technology and safety early warning technology. Their logical sequence is: first, through safety monitoring technology to obtain the monitoring of risk factors in the mining and dressing process of gold mine. Measured values, safety assessment technology based on safety monitoring data into risk assessment, safety early warning technology based on the results of the assessment of the early warning of the state of security, these three technologies in the construction of the early warning system of security interlinked, constitute the technical basis of security early warning. Finally, this study theoretically expounded the function of security early warning and the realization of the road. In the aspect of hazard analysis, hazard analysis is the basis of safety early warning research. Through hazard analysis, we can grasp the types of accidents and hazard characteristics of the system and thus form a clear understanding of the early warning objects. On this basis, based on the theory of accident cause, through the analysis of the dimension and mechanism of accident occurrence, a four-dimensional dimension model of mining and dressing process, a mechanism model of accident occurrence and a safety influencing factor system of mining and dressing process are designed, in order to make the mining and dressing process of gold mine constructed in this study. The system of safety influencing factors is more systematic. By means of the method of interpretive structural model, this paper establishes the explanatory structural model of safety influencing factors in mining and dressing process of gold mine by calculating adjacency matrix and reachability matrix. The extraction and sublimation of safety factors in the mining and dressing process of gold mine can reflect the safety status of the whole safety production system systematically. This paper analyzes the equipment, materials, energy, technology, personnel, external supervision and management in the mining and dressing process of gold mine systematically, from the external safety supervision, environment, equipment, management, personnel and so on. A safety early warning index system including 5 first-class safety early warning indexes and 73 second-class safety early warning indexes is established. 4. The level and model of safety early warning are constructed. Early warning is lack of single index early warning and subsystem early warning. The hierarchy of security early warning is established. According to single index early warning, subsystem and system early warning, the early warning level is divided, and the early warning level and rules are set according to the actual situation of gold mine. In this study, the genetic wavelet God is proposed to construct the early warning model of the system. Through the network security early warning model, and analyzes the genetic wavelet neural network overall structure, elaborated the early warning model input layer, fuzzification layer, operation layer and anti-fuzzification layer and its operation process and training steps, provides the mathematical and technical basis for the construction of the security early warning system. 5. The construction of the security early warning system. A safety early warning system for miner gold mining and dressing enterprises has been designed. A safety early warning system for miner gold mining and dressing process covering personnel, equipment, hardware and software has been constructed based on organization, monitoring, storage, calculation and output. Real-time dynamic monitoring of mining, lifting, ground pressure, ventilation, drainage, goaf, beneficiation, gold extraction, smelting and other key areas and possible risks in the process of mining and dressing of industrial gold deposits has been carried out. True, three-dimensional modeling, electronic communication, automation, computer technology, through industrial Ethernet and automation platform software to achieve the geographic information management system, each production link subsystem, the underground environment monitoring subsystem and monitoring early warning and dispatching command subsystem of the depth of integration. Based on GIS and Microsoft SQL Server 2005 database platform, the safety early warning system software is developed by using Java, ArcEngine and other programming languages. The system can realize normal safety monitoring and accident disaster early warning. The landing and function interface of the system are introduced in detail, and the software is analyzed. Map management module, safety management module, safety early warning module, emergency rescue module, specific operation and man-machine interactive view of system management and maintenance support mode are introduced. The organization structure, hierarchy and responsibility of safety early warning system in mining and dressing process of Hegong Gold Mine are introduced. Empirical study shows that the system can better complete the safety of gold mine. The main innovations of this paper are as follows: 1. Based on the theory of accident cause, this paper takes the mining and mineral processing subsystems of gold mine as the research object. The paper establishes the mechanism model of accidents in the mining and dressing process of gold mine and discusses the interaction paths among various factors and the rules of accident occurrence and evolution, and constructs the ISM model of safety influencing factors in the mining and dressing process of gold mine. 2. It constructs the early warning index including external supervision, environmental safety, equipment safety and management. The practicality of five first-class safety early warning indicators such as safety early warning indicators, personnel safety early warning indicators and 73 second-class safety early warning indicators belonging to them, and the universal safety early warning indicators system for miners and gold mines, especially in the construction of equipment safety early warning indicators, have made common equipment safety early warning indicators and regional safety early warning indicators. In the construction of personnel safety early warning indicators, all personnel safety early warning indicators, safety technicians early warning indicators and management personnel safety early warning indicators are carefully divided, which improves the pertinence of the indicators and avoids the situation that the indicators are too general. 3. Based on fuzzy mathematics and genetic algorithm, wavelet transform is established. BP neural network model of safety early warning for mining and dressing process of gold mine, and establish three-level model of safety early warning for mining and dressing process of gold mine, including single index early warning, subsystem early warning and system early warning. 4. Based on GIS and Microsoft SQL Server 2005 database platform, using Java, ArcEngine and other programming languages and platforms. The software of mine safety early warning system is developed to realize the visualization of man-machine interaction. A solution of safety early warning system which integrates feedforward control, real-time control, feedback control and early warning is constructed.
【學(xué)位授予單位】:中國(guó)地質(zhì)大學(xué)
【學(xué)位級(jí)別】:博士
【學(xué)位授予年份】:2014
【分類號(hào)】:TD76
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