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The main function of the coal mine drainage monitoring system is to discharge the accumulated water in the coal mine production timely to avoid serious water seepage accident and to ensure the safety of the underground personnel and equipment. As one of the six major production systems in the coal mine, the drainage system not …
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the current coal production bottleneck through research and development projects. Advances in longwall coal mine production in Australia have put pressure on roadway …
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9.2.2. Intelligent interaction mode of HCPS of mining equipment. In the area of coal mining, the production and living system compose of engineering staff and simple physical tools/devices are called the Coal-mining Human Physical System (Cm-HPS). The essence of the Cm-HPS development is that humans continue to innovate and apply …
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Intelligent mining has three main characteristics: ① Mining machines have the intelligent ability to work by themselves; ② real-time data can be captured and …
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This chapter provides a brief description of the characteristics of the coal industry in the United States, presents an overview of coal extraction and processing methods, and …
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This paper summarizes the development process of intelligent coal mine construction in China and describes the safety risks and technical challenges that …
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Mining leverages the broad portfolio to bring together the right people, products, technologies and services to meet the needs of the mining industry. No matter the size, type or complexity of your operation, our goal is to help you optimize your equipment, people and overall operation. Whether you are looking for surface mining or …
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The production capacity planning results of each mining district in this plan are as follows: the production capacity of the 3rd mining district is 30–35 Mt/a; the production capacity of the 4th ...
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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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Research agrees well with the practical situation: the China's coal consumption decreases 2.9% in 2014, decreases 3.6% in 2015 and chain relative ratio flattens in 2016 [2].Because of China's economic transition and adjustment as well as the increasing emphasis on ecological and environmental protection, the high-strength and …
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The intelligent operation of coal mines is determined by various basic conditions, such as dynamic geological conditions, development deployment, and production equipment. Operations are oriented to the goals of production planning, quality management, and safety assurance. In … See more
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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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machines used in mining production. The tests focused on the machines that comprise the automated longwall system, designed for direct mining of the rock mass and transportation of the excavated material away from the working face area. This system constitutes the first link of the entire chain of machines used in mining production [14,15].
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Introduction. Coal is China's main energy source, accounting for more than 60% of the primary energy. The status of this subject energy will be difficult to change for a long time in the future. More than 90% of coal production in China comes from underground mining. Roadways are a necessary passage for coal mines.
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With the shift from manual onsite operations to remote control and intelligent production, coal mining enterprises are greatly reducing workforce requirements, meaning fewer people are left …
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Labour Production Costs Non Labour Production Costs Coal Price PwC Productivity Index - 1995 to 2011 (Base Year = 1995, Base = 1000) … which is in large part due to the falling productivity of the mining industry Australia has some of the world's largest coal reserves, but is struggling with maintaining mining profit margins…. Slide 2
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China suffers the worst coal mine disasters in the world. Lots of miners lose their lives or suffer occupational injury. Fortunately, China is developing vigorously intelligent coal mining, which is the combination of traditional coal mining and the latest technology. Mining expects to relieve or solve coal mine safety, health and intensive labor issues …
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Underground coal mining operations in the United States continue to increase productivity as mining equipment and practices are improved. Unfortunately, increased production also results in the potential for increased respirable dust generation and worker exposure. In response, US operations are applying basic controls at elevated …
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Background: Though the introduction of modern safer underground coal mining methods and automation, mine accidents still cause loss of lives, time, and money. This paper aims to analyze in detail …
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A smart fully mechanized coal mining working face is comprised of various heterogeneous equipment that work together in unknown coal seam environments. The goal is to form a smart operational system with comprehensive perception, decision-making, and control.
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In the United States, the Surface Mining Control and Reclamation Act of 1977 regulates the process of coal mining, and is an effort to limit the harmful effects on the environment. The act provides funds to help fix these problems and clean up abandoned mining sites. ... Unlike many renewable resources (such as solar or wind), coal …
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A smart fully mechanized coal mining working face is comprised of various heterogeneous equipment that work together in unknown coal seam environments. The goal is to form a smart operational system with comprehensive perception, decision-making, and control. This involves many work points and complex coupling relationships, …
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Fully mechanized mining (FMM) technology has been applied in Chinese coal mines for more than 40 years. At present, the output of a FMM face has reached 10-million tons with Chinese-made equipment. In this study, the new developments in FMM technology and equipment in Chinese coal mines during past decades are introduced. …
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Mining companies use mine control systems to operate and oversee various mining operations by processing information in real-time, fine-tune the production process based on workforce and equipment availability, as well as addressing any potential issues through alarms and fault detection systems.
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Effective transportation is one of the keys for efficient coal production. The standards for efficient and safe transportation, however, ... with intelligent mining equipment, remote control of the production process, an information transmission network, and informatization of operation and management. 8. Conclusions
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The results indicate that collaborative control of coal mining allowed for an efficiency 3.76% higher than under automatic operation mode and 46.03% higher than under manual control; thus, The mathematical model provided an improved production efficiency of the fully mechanized mining face. ... The production capacity of the equipment …
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Underground Mining equipment list. Soft rock mines, such as coal, do not require the use of explosives for extraction. These rocks can be cut with the mining tools provided by modern technology. Soft rocks …
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‒ the article [23] describes a simulation model of a fully automated production face of a coal mine. The model makes it possible to determine the emission of methane taking into account ventilation and the operating mode of mining equipment; ‒ the dissertation [24], using discrete modelling, investigates the efficiency of the face
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Digital twin model of coal mine production process management and control. To realize the construction of smart coal mine, the core is to build a DT-driven …
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Coal. Research on Intelligent Manufacturing of Coal Machine Equipment Based on Computer Informatization Coal Machine Equipment. License. CC BY 3.0. Authors: Jiuqin Zhang. Abstract and Figures....
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