Beginner's Guide to Coal Mining | An Underground Miner
A mining company will need tools for exploration, extraction, and remediation or reclamation at mining sites. Miners use hydraulic shovels called power shovels to dig out coal, clear debris, and remove rocks in surface and underground mining. Miners use a range of vehicles such as bulldozers, mining trucks, and loaders.
Analysis and measurement of multifactor risk in underground coal mine
1. Introduction. In recent years, China's coal mine accident control has achieved remarkable results, and the death toll due to coal mine accidents in China has been declining with the development of science and technology and the perfection of the external supervision system of coal mine safety [1, 2].The death toll due to coal mine …
5G Smart Mining Project of Lvliang Xinyan Coal Mine
underground 5G coverage in China, Xinyan Mine Coal was selected as a national example of intelligent mines in 2020. Case Overview Industry Challenges Safe production is the top priority of coal companies. Despite the fact that the death rate per million tons of coal mined fell from 0.093
Overview of Solid Backfilling Technology Based on Coal …
Abstract. China is the world's largest coal producer country. However, large-scale coal mining has led to severe environmental pollution issues such as surface subsidence and gangue piling up ...
Research and practice of intelligent coal mine technology systems in China
International Journal of Coal Science & Technology. TLDR. The role of coal as China's basic energy source is considered and the development of the coal industry is examined, and the intelligent development of coal mines is focused on, with the "Chinese mode" of intelligent mining in underground coal mines introduced. Expand.
Coal Mining Machine
Advanced Technology for Underground Mining 730C-series thin-seam underground coal mining machine is presently a domestic thin-seam long-boom mining machine of advanced performances, featuring low machine face height, short body length, and powerful cutting capacity. It's applicable for the mining needs of 0.8 ~ 2.2m coal seams …
Across China: Smart technologies help reshape coal mining …
Caojiatan Coal Mine mirrors the increasingly smart coal mining industry in China as traditional coal mine enterprises are introducing intelligent technology to …
Underground Mining Equipment Manufacturers
As mines go deeper and into more complex deposits, specialized machinery is required to safely and efficiently extract resources. Major manufacturers …
Integrated positioning for coal mining machinery in …
Integrated positioning for coal mining machinery in enclosed underground mine based on SINS/WSN ScientificWorldJournal. 2014 Jan 21;2014:460415. doi: 10.1155 ... China University of Mining and Technology, Xuzhou 221008, China. 3 Avlc Radar and Avionics Institute, Wuxi 214122, China. PMID: 24574891
Characteristics of coal resources in China and statistical
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 …
Coal mining | Definition, History, Types, & Facts | Britannica
M. Albert Evans Raja Venkat Ramani. Coal mining, extraction of coal deposits from the surface of Earth from underground. Coal has been used since the Bronze Age, 3,000 to 4,000 years ago, and was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries.
Underground Disposal of Coal Gangue Backfill in …
China's total coal production in 2021 exceeded 4.13 billion tons, 52% of the world's total. Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly discharged on …
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 …
9 Biggest Mining Companies in China
China Molybdenum Co., Ltd. China Molybdenum is a mineral mining and exploration company. It mines for molybdenum, tungsten, niobium, cobalt, copper, and more. In 2022, China Molybdenum Co., Ltd ...
Underground mining equipment | …
Underground mining equipment | Mining Corp. We are the world's largest producer of high productivity underground mining machinery for the extraction of coal, potash, salt, platinum and other …
Underground mining equipment | Mining Corp.
Underground crushing equipment. Mining Corp. is the world's leading producer of high productivity underground mining equipment for the extraction of coal, potash, salt, platinum and other bedded materials. We have manufacturing, sales and service facilities around the world to support our customers.
Development of Intelligent Technologies and Machinery for Coal Mining …
Download Citation | On Jan 1, 2023, Shirong Ge and others published Development of Intelligent Technologies and Machinery for Coal Mining in China's Underground Coal Mines | Find, read and cite ...
5G Smart Mining Project of Lvliang Xinyan Coal Mine
The coal mining, tunnelling, electromechanical, conveying, and ventilation systems are distributed in underground tunnels that span over dozens of kilometres. …
Research progress in coal and gas co-mining modes in China
According to this concept, the grand blueprint of China's coal resource mining can be planned for the next 30 years. Taking time as the node and under the gradual progress and upgrade of science, technology, and mining equipment, the development stage of the coal revolution can gradually develop and transition from level …
Research and practice of intelligent coal mine technology systems in China
The top-level architecture of 5G+ intelligent coal mine systems combines intelligent applications such as autonomous intelligent mining, human–machine collaborative rapid tunneling, unmanned ...
Hazard identification for equipment-related fatal incidents
Based on the number of fatalities per year, a persistent area of concern in mine safety continues to be equipment related. Data from the period 1995 through 2007 were studied in order to identify major hazards for underground mining equipment-related fatal incidents and to perform an analysis of those that occurred over the last 13 …
Research and practice of intelligent coal mine technology systems in China
Given the coal resources in China, underground mining is the main method of extraction, with open-pit mining accounting for less than 15% of coal production. ... This mapping includes not only physical entities (e.g., coal mining machines, hydraulic supports, and tunneling machines), but also time entities (e.g., roof pressure, gas …
How the dirty and dangerous job of coal mining is getting a …
Of the 367 mine accidents and 518 mine deaths reported in China last year, 168 accidents and 245 of the fatalities were specifically related to coal mines, according to official data.
Research progress in coal and gas co-mining …
Three modes have been gradually developed: the Huainan mode, based on pressure relief co-mining of a protective layer; the Jincheng mode, based on directional long borehole co-mining; and the …
In-situ stress measurements and stress distribution
The theory, equipment and method of hydraulic fracturing stress measurement used in underground coal mine roadways in China are presented. A quality assurance system and a quality ranking scheme ...
Life cycle assessment of coal mines of diverse scales over time in China
Based on the distribution of underground coal in China, mines with annual production of 0.45Mt, 3 Mt, 8 Mt and 12 Mt were selected as examples in this study. ... Therefore, underground mining equipment is the primary problem of environmental impact during the construction of coal mines of different scales. Unlike the first three …
Research progress of monitoring, forecasting, and prevention of
As one of the dynamic disasters of coal mines, rockburst seriously affects underground safe coal mining. Based on the laboratory test, field test, and theoretical analysis, this study proposed the principle of the rock burst induced by the combination of dynamic and static stresses and divided such rock burst into three types, including …
Innovation for sustainable mining: Integrated planning of underground …
Coal is the primary energy, generating 37% of the global electricity and more than 70% of steel (WCA, 2020).In China, ∼56% of energy and over 70% of electricity are produced by coal (Xie et al., 2019; Xu et al., 2017), with 85% of coal from underground coal mining (UCM) (Li et al., 2021).In 2021, the global coal output was 7.889 billion …
IJERPH | Free Full-Text | Risk Assessment of …
China's coal mine production situation is grim and various types of accidents occur frequently, and gas explosion accidents are the highest incidence of coal mine accidents. The authors selected 200 gas …
Optimal layout of underground coal mining with ground …
Coal is an essential raw material for the social development of coal-producing countries, especially in China. In the past, however, underground coal mining (UCM) has had a negative impact on urban, agricultural and ecological spaces caused by multiple separate plannings.