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Abstract Based on the study of slope stability in a domestic open-pit coal mine, the mine has experienced many local landslides and patches since 2015 In this paper, geological survey of slope, engineering geological drilling and other methods are used to analyze the engineering geological and hydrogeological conditions of the southern end slope, and to find out the spatial ,...

Dec 03, 2021 0183 32 China s First Green and Smart Side Coal Recovery Project for Open Pit Breaks Ground Construction of a safe, highly-efficient, green and smart side coal recovery demonstration project for open pit mine recently started at Pingshuo Antaibaoe Surface Mine in Shanxi Province The project intends to improve open pit mine development, eliminating ....

Prevention and control of coalfield fire technology A case study in the Antaibao Open Pit Mine goaf burning area, China September 2012 International Journal of Mining Science and Technology 22 5 ....

Nov 13, 2021 0183 32 The Yimin Coal Mine of Huaneng Group, a large state-owned state-owned enterprise, is the largest open-pit mine in China It is located on the Hulunbuir Prairie in East Mengdong, which is nearly 2,000 kilometers away from Ordos After the nuclear increase in production capacity this year, it will have a production capacity of 35 million tons per ....

surface mining technology in China also has had a rapid development, the number of surface mines with over 10 Mt production capacity is more than twenty until now, and the output of surface mines has reached 108 of the total output of raw coal in 2011, as shown in Figure 1...

Jan 30, 2021 0183 32 Environmental activists sit inside a pit at the Garzweiler open-cast brown coal mine during a protest against climate change near Duesseldorf, Germany on Saturday THILO SCHMUELGEN/REUTERS German police spent much of the weekend trying to protect an opencast coal mine from climate change activists...

May 15, 2014 0183 32 The Benxihu colliery disaster occured on 26 April 1942 in the Honkeiko coal mine, located near Benxi in the Liaoning province of China It led to the deaths of 1,549 lives and is believed to be the worst coal mining disaster ever The fatal explosion of the underground coal mine was caused by a mixture of gas and coal dust...

Jul 12, 2019 0183 32 The Loess Plateau in China is an important area for mineral resources and therefore heavily exploited As a measure to solve the conflict between conservation and development, ecological restoration has attracted more and more attention More methods are needed to assess their effectiveness in achieving ecological and social goals To adequately ,...

Coal mine methane CMM is a term given to the methane gas produced or emitted in association with coal mining activities either from the coal seam itself or from other gassy formations underground The amount of CMM generated at a specific operation depends on the productivity of the coal mine, the gassiness of the coal...

Introduction oF CCG Mining Explosion-proof Diesel Locomotiv Mine explosion proof diesel locomotive is a kind of driven, the vehicle with proof performance for containing flammable gas and coal dust and other dangerous places, traction, transport of mining locomotives, traction battery and then following the hydraulic transmission of a utility model traction...

1High-Tech Research Center for Open Pit Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China 2State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China 3Xinjiang Tianchi Energy Sources Co, Ltd, Changji 831100, China...

Mar 05, 2020 0183 32 The lithology of the strata in the Gobi region of the Xinjiang autonomous region of China is mainly composed of mudstone, silty mudstone, and other soft rocks Because of the low strength of the rock mass and the serious effects of physical weathering in this area, the slope stability in open-pit mines is poor, and creep deformation and instability can readily occur ,...

PDF The highwall miner can be used to mine the retained coal in the end slope of an open-pit mine However, the instability mechanism of the reserved, Find, ,...

To improve coal recovery rate of open pit coal mines, according to the conditions of coal seams at flat dipping open pit coal mines in China, a new mining system for recovering remaining coal ....

School of Mines, China University of Mining and Technology, Xuzhou 221116, China State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou 221116, China High-Tech Research Center for Open Pit Mines, China University of Mining and Technology, Xuzhou 221116, China Wei Zhou...

Open pit mining method was used broadly in Chinese surface coal mines in the years from 1949 to 1980, these mines were characterized by dipping seams with the slope of more than 12 degrees to 45 degre Open Pit Mining was almost exclusively employed in China s state owned surface mines...

Abstract To understand the concentration and distribution of PM25 and PM10 in open-pit mines, a beta-ray particle monitor and some laser monitors were arranged in Haerwusu Surface Coal Mine HSCM , Inner Mongolia, China A fluent simulation was made to study the dust move in the pit and escape rate and time out of the pit...

Given the conditions of residual coal from the boundary of a flat dipping open-pit mine, which uses strip areas mining and inner dumping with slope-covering, we propose an open-pit and underground integrated mining technology for residual coal of end slop...

Jun 23, 2020 0183 32 Study on Optimization of Coal Truck Flow in Open-Pit Mine Haiming Bao 1 and Ruixin Zhang1,2 1College of Energy and Mining, China University of Mining and Technology, Beijing 100083, China 2North China Institute of Science and Technology, Langfang 065201, China Academic Editor Valeria Vignali...

1 High-Tech Research Center for Open Pit Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China 2 State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China 3 Xinjiang Tianchi Energy Sources Co, Ltd, Changji 831100, China 4 China Coal Technology Engineering ,...

Nov 01, 2021 0183 32 Firstly, emerging web-crawler technology was used to obtain a map of coal mine locations, and the kernel density method was used to analyze the spatial pattern of coal mines in China Secondly, to analyze the relationship between coal mining disturbance and social-ecological restoration, a research framework was constructed based on the theory ....

Nov 30, 2021 0183 32 Liu, Q, Zhang, Z, Zhang, B et al Hydrochemical analysis and identification of open-pit mine water sources a case study from the Dagushan iron mine in Northeast China Sci Rep 11, 23152 2021 ....

Zhungeer Coal Mine in Inner Mongolia, China, is a lignite mine producing some 7 million tonnes of lignite per year, with a work force of 1,900 It is operated by the renowned Shenhua Group Since 1995 the mine has been using continuous mining technology bucket wheel excavators, conveyor belts and spreaders for the removal of an up to 100m thick top soil layer...

In order to solve the serious dust pollution problem in mining and loading process of burnt rock open-pit coal mines, a dust suppression technology was proposed to investigate the compound dust suppressant with four functions of wetting, coagulation, moisture absorption, and moisture retention, and improve the hydrophilicity and dust suppression efficiency of burnt rock...

Open-pit mining visualization The data on the mining scope, mining depth, mining volume, and ore consumption of open-pit mines is the top priority of open-pit mine monitoring and an important basis for judging whether mining companies are mining in accordance with the law...

Mar 01, 2010 0183 32 Given the conditions of residual coal from the boundary of a flat dipping open-pit mine, which uses strip areas mining and inner dumping with slope-covering, we propose an open-pit and underground integrated mining technology for residual coal of end slop...

Fig 6 Mining status in Anjialing 30Mt/a and Heidaigou 35Mt/a Open Pit 3 Mining system T rend in China Fig 7 31 Mining system in 1950 1960 In ,...

Nov 08, 2021 0183 32 Long-term continuous monitoring of the mining activities in open-pit coal mines is conducive to planning and management of the mining operations Additionally, this faciliatates assessment on their environmental impact and supervises illegal mining behaviors Interferometric Synthetic Aperture Radar InSAR technology can be effectively applied in the ,...