Environmental Issues Due to Fire in Coal Mines: Its Impact …
Fire in mines also causes direct loss of equipment, damage to the surface structure and loss of country's precious coal reserves. In addition to these, it affects the normal production. The objective of this paper is to describe the environmental impacts due to fire in coal mines, and issues that affect society as well as to render ...
Study on time–frequency features of induced charge signals …
Monitoring and preventing coal-rock dynamic disasters are vital for safe mining. To investigate the time–frequency features of induced charge signals with coal …
IJERPH | Free Full-Text | Variance Analysis in China's Coal Mine
The risk of coal mine accidents rises significantly with mining depth, making it urgent for accident prevention to be supported by both scientific analysis and advanced technologies. Hence, a comprehensive grasp of the research progress and differences in hotspots of coal mine accidents in China serves as a guide to find the shortcomings of …
Deformation and damage dynamic characteristics of coal–rock materials
In order to reveal the deformation and damage dynamic characteristics of coal–rock materials in deep mines, the macroscopic deformation characteristics of coal, rock, and concrete samples under uniaxial compression were studied. The macroscopic deformation amount, velocity, and acceleration of different samples were …
Review of preventive and constructive measures for coal …
Firedamp and coal dust explosion constitute a lion's share in mine accidents in a global mining scenario. This paper reports a list of mine explosion disasters since …
Heat Stress in Underground Mines and its Control Measures: …
Heat stress is a major concern for the health, safety and productivity of miners working in hot and humid underground mines. At greater depth, heat inside underground mines increases due to geothermal gradient, heat released from high-capacity machinery, exposed rock surface, auto-compression of air, human metabolism, etc. …
Some Corrosion and Metallurgy Issues in Coal Mines
5 Q. Zhang, et al., "Effect of Coal Slurry on the Corrosion of Coal Mine Equipment," Mining Science and Tech. 21 (2011): pp. 413-417. 6 S.Q. Wang, ... Craig specializes in materials and corrosion issues in the upstream oil and gas industry and has frequently consulted for the mining industry on these issues as well. Additionally, he …
al mines equipments which damage frequently
Coal Mines Equipments Which Damage FrequentlyHN Mining . Coal Mines Equipments Which Damage Frequently We are here for your questions anytime 24/7, welcome your consultation Get Price ADVERTISEMENTS: This article throws light upon the top nine types of colliery equipment's used in mines The types are: 1 Coal Cutter 2 …
CHAPTER
ANNUAL REPORT 2019-20. CHAPTER 11. Annual Report | 2019-20. 100. MINISTRY OF COAL. 101. SAFETy IN COAL MINES. Coal mining poses several inherent, operational and occupational hazards and associated risks to the work persons. Hence, safety is always an utmost priority for Coal Companies and is one of the main ingredients of their mission …
Coal Mining Surface Damage Characteristics and …
Abstract: With the continuous improvement of mining technology and equipment in China's coal mines, the number of working faces with high-intensity …
Hydrogeological Classification and Water Inrush Accidents …
Table 1 summarizes the coal production and water disaster accidents in China's coal mines, from 2000 to 2013. Over these 14 years, there were 1131 water inrush accidents, which resulted in 4533 deaths. However, although annual coal production increased from 1 to 3.7 billion tons during those years, the number of water inrush …
Analysis of rock structure stability in coal mines
In this paper, the theory of limit point instability is used to analyse the stability of rock structures in coal mines. A general method of analysing stability of rock structures is put forward and a uniform instability condition of rock structures is set up. Some instability phenomena, such as rock bursts in circular roadways, pillars and long …
Characteristics of Water Hazards in China's Coal Mines: A …
This region has the most complicated hydrogeological conditions of China's coal mining area, making it the most complex of China's coal mining areas. Water inrushes happen frequently, and the volumes of water inrush are considerable (2700–27,000 m 3 /h), which easily floods mines, while normal mine water inflow is still …
Frequently Asked Questions | Office of Surface Mining …
Non-coal mining is primarily regulated by each State under the State's laws and regulations. You can find contact information on the State and Tribal contact webpage. The DOI Bureau of Land Management and the USDA Forest Service have also adopted regulations imposing some restrictions on mining on Federal lands. Please visit their …
Coal's 'absolutely massive' environmental …
West ia Sen. Joe Manchin, a Democrat with family ties to the coal industry who is among coal mining's staunchest defenders, frequently echoes a familiar refrain. "American coal miners are the …
Coal damage and energy characteristics during shallow mining …
Abstract. In the process of mining from shallow mining to deep mining, there are certain differences in the damage characteristics and energy characteristics of the coal body. Therefore, this article employed the Rock 600-50 equipment to better explore the damage and energy characteristics of coal under different initial pre-stress states.
First UK coal mine in decades approved despite climate …
Michael Gove has approved the first new UK coal mine in 30 years despite concern about its climate impacts among Conservative MPs and experts. The proposed mine in Cumbria would dig up coking coal ...
Determination of Abutment Pressure in Coal Mines with
Rockburst is one of the most dangerous dynamic hazards in deep mines worldwide. A rockburst in hard rock mines is defined as small-scale dynamic rock failure and ejection around an excavation that occurs in a sudden or violent manner, which, in some cases, can cause mine equipment damage and personal injuries (Feng et al. …
McLanahan | Coal
Coal. From mine face to eliminating tailings ponds, McLanahan provides solutions for both surface and underground coal mining in all aspects of the operation. The company offers a full range of feeding, crushing and sampling equipment, as well as washing and dewatering systems that can remove impurities and increase the heating value of your coal.
Production and safety efficiency evaluation in Chinese coal mines
Coal mining is one of the highest-risk industries in China. Accident deaths in coal mines attract intense concern every year. This is the first attempt to measure production efficiency of coal mines with consideration of accident deaths. A combined directional distance function and slacks-based model is proposed to assess production …
A comprehensive monitoring and evaluation of disaster risk …
A large number of coal pillars were left behind during the mining of multi-coal seams. These pillars, when unstable, pose significant risks during both production and …
Coal explained Mining and transportation of coal
Mining coal. Coal miners use large machines to remove coal from the earth. Many U.S. coal deposits, called coal beds or seams, are near the earth's surface, but others are deep underground.Modern mining methods allow U.S. coal miners to easily reach most of the nation's coal reserves and to produce about three times more coal in …
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.
Safety monitoring method of moving target in underground coal mine …
Due to the special underground environment of the coal mine, the video information is different from the general ground scene. These problems are due to the darkness of the coal mine, resulting in ...
Mining Surplus | New and Used Mining Equipment
MiningSurplus features new and used mining equipment for sale from mining operations across Canada, the United States, South America, and Australia. MiningSurplus profiles surface, mill plant process and underground mining equipment from copper, lead, zinc, gold and coal mining operations. Please use the search tools …
Construction and analysis of a coal mine accident
1. Introduction. Underground coal mining is considered one of the most dangerous operations worldwide (Liu et al., 2019c; Nieto et al., 2014).In China, in particular, there is an appalling record of fatalities in the coal mining industry, ranking China as the third-worst coal producer regarding underperformance in coal mine safety (Liu et al., …
Disasters in Mine: Strategies for Prevention, Management …
Due to various mining activities, toxic forms of these gases are generated which are responsible for many mining accidents for example during 2010–2018, a gas …
Modern Mining Equipment
Equipment used in the Mining Industry today. Surveying. Complex Underground Equipment. Complex underground machines used directly or as support in the mineral extraction process: Longwall machines. Continuous miners. Roofbolters. Shuttle cars. Underground Rail.
Chapter 8 Mining Equipment Maintenance
For example, in the US underground coal mining industry, maintenance of mining equipmentaccountsfor over 30% of the total lost-time injuries [1]. Furthermore, in regard …
Stress-induced trend: the clustering feature of coal mine
Nearly half of coal mine disasters in China have been found to occur in clusters or to be accompanied by earthquakes nearby, in which all the disaster types are involved. Stress disturbances seem to exist among mining areas and to be responsible for the observed clustering. The earthquakes accompanied by coal mine disasters may be …