·Coal was first used in China for ornaments starting about 6000 years ago Its use as fuel for households and light industry began about 2000 years ago but coal production and consumption remained low until the end of the nineteenth century due to weak industrialisation Thereafter a series of political events drove progressive
·The Antianbao open pit coal mine located in Shuozhou city Shanxi Province Fig 2 is the largest and most modern coal production base in China Bai et al 2018b The geographical coordinates of this open pit coal mine are 112°19′ 112°24′E and 39°30′ 39°35′N and the area is a typical ecologically fragile area of the Loess
·Underground coal mining has long been a dangerous occupation particularly in China where the incidence of gas related accidents is high This paper analyzes the frequency and the temporal and spatial distribution of major gas accidents in China that resulted in three or more deaths during the period 2009 2019
·The working face is seriously threatened by limestone aquifer with high water pressure in coal seam floor when Permo Carboniferous coal is mined in North China Coalfield Mine water control has become one of the major technical problems in coal mine production Grouting transformation for limestone aquifer is an effective means to
·China is a country with abundant coal resources Due to an energy structure characterized by rich coal poor oil and less gas coal will remain the main energy source for a long time [1] With the large scale exploitation and extraction of coal resources the recoverable reserves of some coal mines are exhausted
·The keywords of this cluster focus on coal mine filling mining which is one of the important contents of green mine construction and has obvious advantages in coal safety mining ecological environment protection and solid waste treatment etc Coal mine filling mining mainly includes gangue filling mining caving zone grouting filling mining
·The Huainan coalfield which is located in the northern Anhui Province Fig 2 a is the largest energy base in eastern northern Huainan such as the Zhuji Dingji Pansan and Panbei mines igneous rocks are commonly intruded in coal measures Fig 2 b Sun et al 2010a and Chen et al 2011 investigated the geochemistry of trace
·We analyzed the relevant data from typical water inrush accidents in nine coal mines in China from 2010 to 2017 Fig 4 and Table 3 in which water inrushes caused the mine tunnel system or mining area to be submerged rapidly The first step to
·Wang G F Zhao G R Ren H W Analysis on key technologies of intelligent coal mine and intelligent mining [J] Journal of China Coal Society 2019 44 1 34 41 Chinese
·The water inrush coefficient assessment method introduced in Jiaozuo City in the 1960s has been widely used by Chinese coal mines because of its simplicity in calculation and implementation This method has played an important role in reducing water inrushes from occurring in coal mines of China Although the equation for calculating the
·The accident occurred at about 4 25 pm Saturday at a coal mine in Jungar Banner in the city of Ordos the Inner Mongolia branch of the National Mine Safety Administration said The exact cause of
·This paper investigates the abutment pressure distribution in coal mines with extremely thick alluvium stratum ETAS which is a typical kind of mines encountering frequent intense rockbursts in China This occurs due to poor understanding to abutment pressure distribution pattern and the consequent inappropriate mine design In this study
·Coal is a major energy source in China Though the proportion of coal consumption in the country s energy mix has generally decreased from 2011 to 2020 excluding Hong Kong Macao and Taiwan it still constitutes more than half of the total Fig 1 However coal production is a multifaceted and dangerous undertaking that involves
·Coal mine methane CMM is gaining global attention and especially its biogenic methane regeneration is of increasing interest in recent years Microbial communities in coal and water in a representative small production coal mine of central China were surveyed by cultivation independent methods A total of 22 330 and 53 622
·Mining is a high risk industry and mine accidents occur frequently To better understand the characteristics and trends of current coal mine accidents 29 cases of significant accidents occurred in China in 2016 are introduced first in this manuscript; then the accident types occurrence time occurrence locations and direct causes were
·China s overall energy structure is characterized by scarcity of gas limited oil and relative abundance of coal In 2022 coal accounted for % of China s primary energy consumption [1] and the external dependence on oil and natural gas reached % and % Chinese Academy of Engineering predicts that the
·The mining industry is viewed as high risk due to its harsh operating environment and complex production structure Amyotte 2006 As China is the largest producer and consumer of coal in the world Niu 2014 coal will continue to be a significant component of the energy strategy and will be tightly linked to safety production Liu et al
Downloadable 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
·The Antianbao open pit coal mine located in Shuozhou city Shanxi Province Fig 2 is the largest and most modern coal production base in China Bai et al 2018b The geographical coordinates of this open pit coal mine are 112°19′ 112°24′E and 39°30′ 39°35′N and the area is a typical ecologically fragile area of the Loess Plateau
·A March report released by Greenpeace found that although coal production has been in decline since 2014 ongoing mining activity across China is draining drought prone areas of water on a colossal scale Despite reforms in safety regulation China s mines remain the most dangerous in the world
This decline can be attributed to the closure of numerous small coal mines in Sichuan after a gas explosion in 2013 which was forced by the Chinese State Administration of Coal Mine Safety SACMS to meet safety standards Huang 2013; Xinhua 2013 These provincial shifts highlight the substantial influence of China s coal policies on
·Coal is a major energy source in China Though the proportion of coal consumption in the country s energy mix has generally decreased from 2011 to 2020 excluding Hong Kong Macao and Taiwan it still constitutes more than half of the total Fig 1 However coal production is a multifaceted and dangerous undertaking that involves
Founded in the 80 s China Coal & Mining Expo CCME has become the Nation s premier trade event and has claimed a spot in the worldwide stage for its sector held biennially to show case the latest technology is recognized as China s most important global window for the coal & mining sector CCME has witnessed China s rise as a
·Coal is the main source of energy in China and thus it is important in economic and social development in China Yang et al 2018; Suo et al 2021 With rapid economic development coal resources have been overexploited which affects the ecological environment and causes degradation of vegetation and soil Younger et al
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