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·Activity Based Costing ABC is identified as being a potentially more effective manner in which to cost underground coal mining systems With the use of a costing framework developed by the
·In order to predict gas explosion disasters rapidly and accurately this study utilizes real time data collected from the intelligent mining system including mine safety monitoring personnel positioning and video surveillance Firstly the coal mine disaster system is decomposed into sub systems of disaster causing factors disaster prone environments and
·Effects of coal mining Surface mines sometimes called strip mines were the source of about 63% of the coal mined in the United States in 2022 These mining operations remove the soil and rock above coal deposits or seams The largest surface mines in the United States are in Wyoming s Powder River Basin where coal deposits are close to the
·The coal mine production system is a complex socio technical system with dynamic and non linear characteristics and the system includes many risk factors such as human machine environment and management and the relationship between the factors is also intricate Therefore in view of these characteristics the construction of coal mine
·The communication system has evolved a lot in the past few years The Bureau of Mines along with the Clinch field Coal Co operation in the year 1976 signed a consensus for the growth of the systems used for the purpose of communication which can be used in the field of mines [] For the purpose of expulsion of the coal which is produced to an out by portage
·A coal mine safety monitoring and alerting system using IoT can help improve safety in coal mines by providing realtime monitoring and alerting of hazardous conditions
·Basically this is because coal mine working faces typically advance at a rate 30 times or more faster than in the case of hard rock mining; coal mining operations take place in a much more confined space; the strata is generally weaker and rock faces are more prone to yield; and sidewall support needs to be installed and effective within a few
·Research on groundwater s systemic response to coal mining and an expert system for predicting and forecasting groundwater hazards in coal mines also entered a new stage Numerical techniques such as 3D models finite elements and differences and boundary elements became mature broadly popular and applied Hu et al 1997
·In recent years there are lot of life risk occurs to skilled labors in coal mines which requires an advancement in coal mining safety system In order to improve this current scenario An IOT
·The coal mine hoist as the monitoring and operation center of the production material and operator transportation system of the coal mine enterprise is an important channel to link up and down
·The recognition of cutting state of coal rock is the key technology to realize unmanned mining in coal face In order to realized real time perception and accurate judgment of coal rock
·using modern instruments software and hardware and should be part of a multifunctional safety system at a coal mine The role of longwall panels layout for increasing the intensity of underground coal mining The choice of a mine layout and longwall panel dimensions has a significant impact on production capacity
·The Xinjulong Coal Mine is located in the Juye Coalfield in Eastern China The No 2305 S working face of the coal mine has an average depth of − m a mining length of 1904 m and a mining width of m It is adjacent to the No 2304 S goaf see Fig 8 b The section of the tail drift on the working face is rectangular
·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 around end slopes was proposed This system can extract the end slopes coal remnants which are normally abandoned in traditional mining systems by using
·A CFD model for ventilation system in underground coal mines is developed Several turbulence models were tested and compared with experimental data Various flow stoping design were investigated for cost effective and safety system Several face ventilation designs in the cross cut region were evaluated Right cut scenario is found to have lesser
·Jiang H Zhang D Liu Z Jiang P Zhang Z Zheng L 2019 Research on Application of trackless inspection robot in Coal mine transportation Roadway Coal Eng 52 10 165 169 Google Scholar Yang Y Li A Zhang W 2019 Design of transportation and passenger person integrated system in coal mine Coal Technol 39 12 141 143
Wireless Sensor Network WSN explores the use of the latest WSN technology in coal mine safety intelligent wireless monitoring especially the three key technologies that need to solve the WSN wireless communication transmission routing protocol and positioning algorithm for underground safety monitoring The application of wireless sensor network in coal mine safety
·In the coal mining process a large amount of Coal Mine Associated energy CMAE such as coal mine methane and underground wastewater is produced Research on the modeling and optimization dispatching of a Coal Mine Integrated Energy System CMIES with CMAE effectively saves energy and reduces carbon pollution CMAE has great uncertainties
However coal mine accidents always happen in a short span of time This long transmission time is unacceptable for coal mine safety In this paper we propose a novel edge computing based intelligent processing architecture that integrates Internet of Things IoT fifth generation 5G and Edge computing technologies for the coal mining
·Therefore the coal mine energy system is at the focal point of decarbonization Meanwhile coal mines often yield additional energy resources [3] such as ventilation air methane VAM [4] coal seam gas CSG and gushing water Utilization of such resources has enormous potential in decarbonization improving energy efficiency by means of
Today the safety of miner workers is a significant challenge Miner s health and life are helpless against a few basic issues which incorporates the working environment yet in addition its delayed consequence To extent profitability and diminish the expense of mining alongside the thought of the safety of miners a creative and innovative methodology is required The
·The typical grounding system for a surface coal mine is similar to that for underground mining One or more substations with resistance grounded secondaries are employed to transform the incoming utility voltage to the lower potential used by the mining machines At this level pit distribution is carried on overhead lines or cables to supply
·Research and practice of intelligent coal mine technology systems in China International Journal of Coal Science & Technology 9 1 17 Google Scholar [9] HanL 2012 Analysis of coal production automation system In Proceedings of the 2012 National Conference on Information Technology and Computer Science China Atlantis Press
