With respect to coal mining and washing technologies, research efforts should focus on the development and application of advanced technologies such as coal and rock identification technology, frequency conversion energy-saving technology, and unmanned mining technology. Advanced management, advanced equipment, high-quality personnel, etc ...
China faces a challenge in the sustainable development of the coal industry due to pneumoconiosis problems. Dust control technologies are crucial for safe production and miners' health, ensuring the industry's longevity. This article reviews the development process of dust prevention and control in underground coal mines in China, summarizes various technologies, …
The country mines its large coal resources both for internal use and export. Even though the share of coal in its power mix has decreased, Australia ranked second among the International Energy Agency (IEA) member nations in terms of coal usage in energy production and electricity generation in 2021.
Intelligent mining, which is based on mechanized and automatic mining methods and which combines informatization with industrialization, has brought about a revolution in the coal industry [1].This new technology can carry out mining automatically by intelligently perceiving the circumstances around the work face, intelligently controlling each mining machine, and …
Unmanned driving technology has always been one focus of mine smart transportation, which is a crucial component of smart mines. However, the descriptions of both the intelligent transportation system and its industrial application are not comprehensive. In order to have an all-encompassing and comprehensive understanding of both the intelligent coal mine …
The influence of coal mining on the economy, society and environment can be traced back to the study of coal mining in eastern Oklahoma by scholars of Oklahoma State University in 1985 (Martinez-Salazar, 1985).Then, in 1994, the scholars of University of Michigan put forward the ecological and healthy development plan of soil reclamation in coal mining …
Page 1 of 14 COAL MINING IN INDIA: TECHNOLOGY, CHALLENGES AND WAY FORWARD *B. P. Singh Abstract Though India is the 3rd largest producer of coal next to China and USA, 96% of the production comes from opencast mines, but hardly 4% from underground.
development of intelligent coal mine technology systems have achieved significant progress. Currently, 71 intelli-gent coal mines are in construction, and the development of intelligent coal mines is accelerating. 2 Overview of intelligent coal mine development in China 2.1 Tansfr ormation and development from mechanization to intelligence
The continuous miner technology (CMT) is being adopted extensively in underground coal mines of India as mass production technology. This technology potentially eliminates the two-unit operating, namely the drilling and blasting. This elimination helps for better strata control and avoids the drillers working in unsafe conditions, maybe under the loose coal …
This technology allows coal mines to upgrade discarded thermal coal fines into compacted, transportable and useable briquettes of higher value. Clean-coal technologies Coal is currently South Africa's primary energy source and, as a result, the country is one of the world's most emissions intensive economies, emitting about 400 million tonnes ...
Coal mining - Underground, Surface, & Drilling: 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 …
2.1 Coal resource storage characteristics. Coal is the most abundant fossil energy source in the world, and about 80 countries in the world have coal resources (Zhang et al. 2021c).China is not only the largest coal producer in the world, but also the largest coal consumer and importer (Jia et al. 2021).However, the coal reserves suitable for surface mining in China …
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 …
The technology of coal mining has gone through continual evolutions and several revolutionary changes which transformed the methods, equipment, and productivity over the decades. In recent years, advances in technology focused more on the use of communication systems, automation, and data sciences for the health and safety of the miners and ...
commercialization, and adoption of new technologies for use in underground coal mining in the United States. The findings are based on structured interviews and a workshop with representatives of organizations involved in different aspects of the U.S. underground coal mining technology market (i.e., manufacturer, supplier, user).
China's coal mining technology is still advancing toward the level of the mining technology in Australia, Germany, and the United States.
We focused on the intelligent development of coal mines, and introduced the "Chinese mode" of intelligent mining in underground coal mines, which uses complete sets of …
This paper reviewed the development process and the current status of comprehensive mechanized coal mining equipment technology in China. The definition and technical connotation of the intelligent coal mine on the basis of the artificial intelligence and technology of the Internet of Things (IoT) are proposed. The paper researched and practiced the key technology related …
Greening of coal through sustainable mining in India requires extensive deployment of technology. This article briefly highlights the role of technology in the mining value chain—exploration, mine planning, operation, monitoring, and mine closure—and suggests the way forward to make mining sustainable and cost effective.
Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep-mining technology on leased areas. With the passage of the Sur-face Mining Control and Reclamation Act of 1977 congressional interest in the study of deep underground mining technology shifted
The mining sector, encompassing the extraction of coal, metals, and non-metals, holds substantial economic importance in numerous countries. These resources serve a multitude of applications and have a significant role in supplying vital components to various [1,2,3].Coal, in particular, contributes to approximately 40% of the world's electricity generation and stands …
Coal is one of the cheapest and most reliable sources of energy, and as demand soars new technology will be crucial. With global demand for coal widely expected to rise over the next 20 years, Dr Gareth Evans finds out how a range of new technologies will help the coal mining industry meet that need - from both existing and less conventional sources.
Mass production technologies are widely used in Indian underground coal mines with varying degrees of meeting target productivity. Though a few coal mines deploy mass production technology that can truly compete with O/C mining technology in terms of economy and safety minus negative environmental and social distress.
Specific implementation of this technology and its application are analyzed for paste backfill mining in Daizhuang Coal Mine; a practical implementation shows that paste backfill mining can improve the safety and excavation rate of coal mining, which can effectively resolve surface subsidence problems caused by underground mining activities, by ...
The Kriel Mine, owned by Seriti Resources Holdings, is a surface and underground mine located in Mpumalanga . The mine produced an estimated 9.644 MTPA of coal in 2020. The mine will operate until 2029. 5. Syferfontein Mine. Owned by , the Syferfontein Mine is an underground mine located in Gauteng. It produced an estimated 9.1 MTPA of ...
Philippines coal producer Semirara plans $5bn mine expansion. Philippines coal producer Semirara Mining and Power is planning to invest approximately $5.07bn (291.4bn pesos) to expand its mining operations.…
intelligent coal mines and coal mining faces are classied according to the thickness of the coal seam, the occurrence conditions, the mining methods, and the mining technical
3. OPENCAST COAL MINING TECHNOLOGIES Present Technologies 3.1 Cyclic Mining 3.1.1 Shovel Dumper: It is the most sought-after technology in opencast mining due to its inherent flexibility of operationIt also offers flexibility for easy transition to any other technology or equipment configuration.
Although a comprehensive fifth generation coal mine monitoring system has not yet been formed, its development direction has been determined, that is, through the integration of database technology, geographic information system, wireless transmission technology, etc., we can achieve a safety warning system that can collect various ...
Accurate localization in underground coal mining is a challenging technology in coal mine safety production. This paper proposes a low-cost battery-free localization scheme based on depth images ...