Design and study of mine silo drainage method based on fuzzy control
There are six systems in coal mine production, ... Through many sensors and PLC automatic control, real-time monitoring of mine drainage equipment and remote automation control 19,20,21.
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Coal mining
The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, …
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Enhancing Coal Mining Efficiency: A Unified Platform for …
Of late, exploring the automatic management and control of coal mining has been a significant task. This article presents a framework for a mine-wide integrated automation …
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Key technologies for intelligent mining of difficult-to
Through refined operation control and the operation of automated equipment, it reduces pollutant emissions during the coal mine production process and achieves green and …
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Design and study of mine silo drainage method …
There are six systems in coal mine production, ... Through many sensors and PLC automatic control, real-time monitoring of mine drainage equipment and …
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Integrated coal mining production | Global Mining Review
The coal mining industry has also begun to invest in IMD machines, permanent magnet motors, and other major equipment including emulsion pumps, belt tailpieces, and AFCs. The explosion-proof and intrinsically safe IMD machine for mining is an innovative solution combining a motor with a drive and control technology for high …
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SURFACE MINING CONTROL AND RECLAMATION ACT …
Sec. 102 SURFACE MINING CONTROL & RECLAMATION 4 5 So in law. Probably should be a semicolon. (d) the expansion of coal mining to meet the Nation's en-ergy needs makes even more urgent the establishment of ap-propriate standards to minimize damage to the environment and to productivity of the soil and to protect the health and safety of …
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Theories and techniques of coal bed methane control in China
At present, 95% of coal mines in China are underground mines. The average mining depth of middle- and large-scale mines is about 456 m, and the deepest mining depth is 1 365 m. The coal production of mines at mining depth over 600 m accounts for 28.5% of total coal production at present.
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Optimal tracking control of the coal mining face fluid …
Article. Open access. Published: 15 November 2023. Optimal tracking control of the coal mining face fluid supply system via adaptive dynamic programming. …
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How efficient coal mine methane control can benefit carbon …
CMM extraction is the project of using special equipment and facilities to extract the gas contained in coal seams, rock seams, or mining areas, also known as CBM development (Yu and Zhou, 2001).Based on underground and surface CMM extraction technology development, this paper divides the development of CMM extraction …
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Innovation in the Mining Industry: Technological Trends and …
Likewise, continuous mining equipment in underground coal mining, along with draglines and bucket wheel excavators in surface coal mining, were key advances to reach new levels of productivity in coal production. ..., whereas the use of barriers, such as the gel barriers widely used in the oil and gas industry to control the flow of sweep …
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Research on coal mine hidden danger analysis and risk early …
The corresponding coal mine equipment prediction and maintenance system (Dong et al., ... the accurate management system based on hidden danger text data mining can effectively reduce and control the hidden dangers in the production and operation process of coal mines. 6. Conclusions. Based on the safety big data theory, intelligence, …
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Enhancing Coal Mining Efficiency: A Unified Platform for …
The transformation of the coal industry, in alignment with the national level of productive forces development, indicates a growing trend towards automation in coal mining. The utilization of innovative automated technologies, energy-efficient equipment, and computer-aided technology facilitates the automation of coal mine production.
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Automation in U.S. longwall coal mining: A state-of-the-art …
First and foremost, coal mining requires high production in highly safe environments. In other words, miner's health and safety is the top priority. ... Development of various sensors to measure the ever changing geological and mining conditions for advanced control of face equipment and its operation. For example, pitch & roll controls …
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Smart safety early warning system of coal mine production …
Due to the complicated storage conditions of coal resources, 95% of the production is through underground mining. The geological structure of the coal mine is complex and natural disasters are serious at the same time, so there are many hidden risks. Therefore, the research on coal mine safety early warning system is of great significance.
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Creating the zero-carbon mine | McKinsey
The mining industry is at a tipping point where sustainability and decarbonization are top items on CEOs' agendas. To achieve a 1.5°C climate-change target by 2050, the mining industry will need to reduce direct CO 2 emissions to zero. Encouragingly, our analysis shows that solutions to decarbonize the majority of …
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Key technologies and equipment for a fully mechanized top-coal …
Thick and ultra-thick coal seams are main coal seams for high production rate and high efficiency in Chinese coal mines, which accounts for 44 % of the total minable coal reserve. A fully mechanized top-coal caving mining method is a main underground coal extraction method for ultra-thick coal seams. The coal extraction technologies for …
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Geologic data collection and assessment techniques in coal mining …
This paper covers geologic exploratory methods, data organization, and the value of collecting and interpreting geologic information in coal mines to enhance safety and production. The implementation of the methods described above has been proven effective in predicting and mitigating adverse geologic conditions in underground coal mining.
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Surface Coal Mine Production Scheduling under …
Utilizing real data from an active coal mine with electric equipment, we show the impacts of (i) seasonal power price fluctuations on a medium-term production …
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Equipment/machinery failure rate in hard coal mines
Produkcji, s. 639- 654. Abstract. The main task of the maintenance services in hard coal mines is to ensure continuous. operation of the equipment (machines). The measurable effect of these ...
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How efficient coal mine methane control can benefit carbon …
Coal is expected to remain the primary energy source in China for the foreseeable future. Utilizing the methane released during the mining process through effective coal mine methane (CMM) control technologies can provide triple benefits in terms of safety, energy, and the environment, thus contributing to carbon neutrality …
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Key technologies for intelligent mining of difficult-to
management and optimization of the entire coal mining process can be achieved, thereby improving coal mining efficiency, reducing safety risks, and achieving safe and efficient coal mine production. 3.1. Risk identification and early warning Risk identification and early warning of difficult-to-mine coal seams is a crucial part of coal mine
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The view of technological innovation in coal industry …
2.1 China's energy production and consumption structure. In 2019, China's total national energy consumption was 4.86 billion tons of standard coal, a year-on-year increase of 3.3%. As shown in Fig. 1, among them, fossil energy accounted for 84.7%, coal, oil and gas consumption accounted for 57.7%, 18.9%, 8.1%, and non-fossil energy …
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Evolution of Water Hazard Control Technology in China's Coal …
Coal mine water hazard accidents are frequent in China, and are second only to coal mine gas mishaps (Lin et al. 2020). Over the long course of coal resource mining, China has developed coal mine water hazard control prevention theories, technology, and supporting equipment systems (Cui et al. 2018a, b; Hu 2003, 2005; Zhao et al. 2018).
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Coal Mining and Production
Coal has a wide range of moisture (2-40%), sulfur (0.2-8%), and ash content (5-40%). These can affect the value of the coal as a fuel and cause environmental problems in its use. The depth, thickness, and configuration of the coal seams determine the mode of extraction. Shallow, flat coal deposits are mined by surface processes, which are ...
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A virtual test and evaluation method for fully …
Abstract. A smart fully mechanized coal mining working face is comprised of various heterogeneous equipment that work together in unknown coal seam …
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Development of intelligent technology and equipment in
The imported advanced fully mechanized coal mining equipment can only be applied to the coal seam more than 1.5 m and cannot be used for safety and highefficiency mining for the coal seam 1.3 m ...
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Coal Mining and Reclamation in Appalachia | SpringerLink
This mining method has been practiced since the late 1950s (Plass 1967) but underwent significant expansion during the 1990s for reasons that included the expanded scale of mining equipment and coal processing facilities (Copeland 2015). Historically, mountaintop mines pushed or otherwise placed much of the mine spoils on …
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Chapter 10 SmartBook Flashcards | Quizlet
variable. Select the best definition of Quality Control. - A process using a statistical method to detect when a process is slipping out of control. - A process that measures output relative to a standard and takes action when discrepancies occur. - A process that samples all raw inputs before production and rejects non-conformances back to the ...
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Development and Application of Measurement …
mac.sagepub. The paper presents an analysis of the process of application of measurement and control systems in underground coal mines in Serbia. Particular …
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