MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Calculation formula for gangue and coal in coal mine hoisting system
Dynamic Modeling and Analysis of a Mine Hoisting System
2019年9月25日 In this paper, the nonlinear dynamic modeling of a coal mine hoisting system is established through Hamilton’s principle The nonlinear partial differential equations of the coal 2022年10月23日 This paper aims to investigate and compare the differences in energy consumption and carbon emissions between a miningseparatingbackfilling integrated coal mine (MSBICM) and a traditional coal mine and Simulation of carbon emission for 2023年4月1日 We evaluate our method using real data gathered from coal mines and compare results to some existing methods, demonstrating that our method can classify coal and gangue Coal and gangue classification in actual environment of mines Analysis results show that the design of the hoist mechanism is correct and can meet the demand of the gangue filling system in the coal tunnel because there is no interference phenomenon Design and simulation analysis of the hoist mechanism in the gangue
Recognition method of coal and gangue combined with
2023年3月1日 Accurate identification of coal and gangue is an important prerequisite for intelligent separation, which can help the intelligent development of coal mines Based on 2018年7月12日 To ensure the stability of a GER, this paper first establishes a deformation and control model for the 'coalbackfillgangue' support system to determine the acceptable Control mechanisms and design for a 'coalbackfillgangue' 2017年12月31日 Different types and configurations of hoisting systems were considered and compared regarding their suitability to small scale mines This research aims to provide a solution for small scale(PDF) Design of a Hoisting System for a Small 2024年7月17日 This paper proposes a deep learningbased, noncontact gangue recognition and pneumatic intelligent sorting system The system constructs a dynamic database containing key feature informationDesign and application of coal gangue sorting
Research on the Design of MultiRope Friction
2024年8月27日 According to the Safety Regulations for Coal Mines, the safety coefficient of the steel wire rope is the ratio of the sum of breaking force of the qualified steel wire to the maximum static tension F max (Equation (20)), so 2019年9月25日 where ρ is mass per unit length of the hoisting cable, m is the conveyance mass, V(t) is the hoisting speed of coal mine hoist, J is the inertia moment of the sheave, and R is the radius of the sheaveu(x,t) is the axial vibration displacements of the hoisting cable in x position The subscript “c” represents the constantlength cable, and the subscript “v” Dynamic Modeling and Analysis of a Mine Hoisting System 2022年3月29日 A typical coal mine with IMSB in Henan Province was selected as the object of the empirical study to determine the bottleneck of the coal mine production logistics system and explore whether the raw coal separating Simulation and optimization of mining 2018年9月1日 The Central Mining Research Station (CMRS) therefore came up with a completely independent classification system of its own, specifically for horizontally stratified rock in coal mines This Design of Support System and Stability
(PDF) Control mechanisms and design for a 'coalbackfillgangue
PDF On Jan 1, 2018, YL Tan and others published Control mechanisms and design for a 'coalbackfillgangue' support system for coal mine gobside entry retaining Find, read and cite all the 2024年3月27日 The research aims to innovate an efficient underground disposal model for gangue, contributing to the refinement of the technical system for the comprehensive disposal and utilization of gangueGangue grouting filling in subsequent space of coal green mining 2019年7月1日 The filling mining mass ratio and solid waste material ratio of solid filling mining working face were designed for experiments, and the results all effectively controlled the ground strata Calculation and monitoring analysis of stress distribution in a coal 2024年5月10日 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 −98085 m, a mining length of 1904 m, and a mining width of 2635 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 rectangularDevelopment of physical model test system for faultslip
Environmental impact assessment of acidic coal gangue
2024年3月14日 With the continual advancement of coal resource development, the comprehensive utilization of coal gangue as a byproduct encounters certain constraints A substantial amount of untreated coal gangue is openly stored, particularly acidic gangue exposed to rainfall The leaching effect of acidic solutions, containing heavy metal ions and other Gobside entry retaining (GER) is an important technique for realising continuous development in coal mines in China GER safety depends on the support of the coal wall, the gobside backfill, the Control mechanisms and design for a 'coalbackfillgangue' 2023年4月1日 Such selfattention calculation makes the classification model only focus on the foreground of the image, but not on the background in dim environment Hence, for coal and gangue classification in actual environment of mines, we propose a coal and gangue classification framework based on the Swin Transformer model, as shown in Fig 4 To Coal and gangue classification in actual environment of mines 2021年6月17日 The system is used to monitor and regulate a number of characteristics in coal mines, including light detection, gas leak detection, temperature and humidity conditions, and coal mine fire detectionIOT Based Coal Mine Safety Monitoring and
Research and prospect of underground intelligent coal gangue
2024年9月1日 Our team, addressing the issue of existing coal gangue sorting equipment not being compact enough for the narrow underground mine spaces, designed a compact coal gangue sorting device suitable for underground chamber sorting (Zhao et al, 2022c) This device includes a conveyance system, a sieving system, and a coal gangue sensing sorting system2020年9月26日 Coal is the most important primary energy in China Although the proportion of coal in China's total energy consumption continues to decline it will still be the main energy in China for a long time in the future As the largest contributor to China's greenhouse gas emissions, the energy conservation and emission reduction of coal industry will be the most Carbon emission assessment and control measures for coal mining 2018年1月9日 In China, coal is the main energy source, accounting for about 70% of primary energy production and consumption 1,2Since top coal caving mining method has the advantage of highproduction, high Radiation characteristics of natural gammaray from coal and gangue 2024年4月7日 In the face of the increasing complexity of risk factors in the coal mining transportation system (CMTS) during the process of intelligent transformation, this study proposes a method for analyzing accidents in CMTS based on fault tree analysis (FTA) combined with Bayesian networks (BN) and preliminary hazard analysis (PHA) Firstly, the fault tree model of A Case Study of Accident Analysis and Prevention for Coal Mining
Method of coal gangue separation and coordinated insitu backfill mining
2020年1月1日 Backfill coal mining technology has drawn widespread attention due to its benefits of “controlling surface deformation and subsidence, reducing mininginduced disturbance in the stope, and 2024年2月6日 The exploitation of coal resources has disturbed the equilibrium of the original groundwater system, resulting in a perturbation of the deep groundwater dynamic conditions and hydrochemical properties Exploring the formation of mine water chemistry under the conditions of deep coal seam mining in the Ordos Basin provides a theoretical basis for the identification of Study on inverse geochemical modeling of hydrochemical2021年6月20日 The separation of coal and gangue is a key link in coal mining, and the realization of the intelligent separation of coal and gangue provides technical support to promote the intelligent (PDF) An Online Flexible Sorting Model for Coal and Gangue 2019年9月25日 A coal mine hoisting system includes two parts, one is a constantlength cable system, and the other is a variablelength cable system In this paper, the nonlinear dynamic modeling of a coal mine Dynamic Modeling and Analysis of a Mine Hoisting System with Constant
Study on the Diffusion Law of Fluidized Filling Gangue
2024年6月6日 Research Article Study on the Diffusion Law of Fluidized Filling Gangue Slurry in Goaf of Coal Mine Underground Baoning Wei ,1,2 Qingxiang Huang,1 Dengdeng Zhuang,1 Xin Cao,2 Bo Hui,2 Xiao Zuo,2 and Mengbo Zhu1 1College of Energy Engineering, Xi ’an University of Science and Technology, Xian , China 2Shaanxi Coal and Chemical Industry 2024年7月17日 The primary mechanical component of the equipment is a belt conveyor measuring 44 m in length, 1 m in width, and 23 m in height The feeding port is 07 m long, the paving queuing module is 13 Design and application of coal gangue sorting 2019年3月18日 Rail is an important part of coal mine hoisting system, and its fault detection is an important work of mine daily maintenance In this paper, a new inspection robot system and corresponding A Novel Rail Inspection Robot and Fault Detection Method for the Coal 1 School of Mines, China University of Mining and Technology, Xuzhou, China; 2 State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, China; 3 The Key Laboratory for Traffic and OnSite Measurement on Compaction
Study on Thermodynamic Characteristics and Heat Transfer
2022年8月26日 Upon comparing the characteristic parameters of coal gangue in different regions and ages, it is found that 8# coal gangue has better combustion and burnout characteristics, and its comprehensive 2023年4月27日 There is a huge amount of solid waste generated in coal resource exploitation and utilization, leading to effects on the environment and hindering sustainable development Aiming at the difficulty of disposal of coalbased solid waste from highyield, highefficiency mines, this research proposed a technique of gangue grouting filling in subsequent space (GGFSS) Strata Movement of Gangue Grouting Filling in Subsequent Space for Coal 2022年1月5日 The optimization of an integrated coal gangue system of mining, dressing, and backfilling in deep underground mining is a multiobjective and complex decisionmaking process, and the factors such (PDF) Research on Intellectualized Location of Coal Gangue 2023年11月23日 Process of filling goaf with coal gangue slurry The process of filling goaf with coal gangue slurry is shown in Fig 2Specifically: the coal gangue is crushed by a multistage crusher and enters Technology and engineering test of filling goaf with coal gangue
Optimization Study of Coal Gangue Detection in Intelligent Coal
2024年10月23日 To address the low recognition accuracy of models for coal gangue images in intelligent coal preparation systems—especially in identifying small target coal gangue due to factors such as camera angle changes, low illumination, and motion blur—we propose an improved coal gangue separation model, Yolov8nimprovedGD(GD—Gangue Detection), 2024年2月29日 The calculation formulas for the downhill boundary angle and the moving angle: (3) (4) The calculation formulas for the uphill boundary angle and the moving angle: (5) (6) The parameters in Eqs – are defined as previously mentioned By using these six formulas, the unknown parameters of the coal pillar can be determined using geological dataCalculation and program realization of coal pillar setting 2000年1月1日 In order to better understand the behaviour of support system techniques in coal mines, Mark and Barczak [2] introduced elementary instructions of supporting procedure for mining engineers The (PDF) FUNDAMENTALS OF COAL MINE ROOF SUPPORT2019年9月25日 where ρ is mass per unit length of the hoisting cable, m is the conveyance mass, V(t) is the hoisting speed of coal mine hoist, J is the inertia moment of the sheave, and R is the radius of the sheaveu(x,t) is the axial vibration displacements of the hoisting cable in x position The subscript “c” represents the constantlength cable, and the subscript “v” Dynamic Modeling and Analysis of a Mine Hoisting System
Simulation and optimization of mining
2022年3月29日 A typical coal mine with IMSB in Henan Province was selected as the object of the empirical study to determine the bottleneck of the coal mine production logistics system and explore whether the raw coal separating 2018年9月1日 The Central Mining Research Station (CMRS) therefore came up with a completely independent classification system of its own, specifically for horizontally stratified rock in coal mines This Design of Support System and Stability PDF On Jan 1, 2018, YL Tan and others published Control mechanisms and design for a 'coalbackfillgangue' support system for coal mine gobside entry retaining Find, read and cite all the (PDF) Control mechanisms and design for a 'coalbackfillgangue 2024年3月27日 The research aims to innovate an efficient underground disposal model for gangue, contributing to the refinement of the technical system for the comprehensive disposal and utilization of gangueGangue grouting filling in subsequent space of coal green mining
Calculation and monitoring analysis of stress distribution in a coal
2019年7月1日 The filling mining mass ratio and solid waste material ratio of solid filling mining working face were designed for experiments, and the results all effectively controlled the ground strata 2024年5月10日 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 −98085 m, a mining length of 1904 m, and a mining width of 2635 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 rectangularDevelopment of physical model test system for faultslip 2024年3月14日 With the continual advancement of coal resource development, the comprehensive utilization of coal gangue as a byproduct encounters certain constraints A substantial amount of untreated coal gangue is openly stored, particularly acidic gangue exposed to rainfall The leaching effect of acidic solutions, containing heavy metal ions and other Environmental impact assessment of acidic coal gangueGobside entry retaining (GER) is an important technique for realising continuous development in coal mines in China GER safety depends on the support of the coal wall, the gobside backfill, the Control mechanisms and design for a 'coalbackfillgangue'
Coal and gangue classification in actual environment of mines
2023年4月1日 Such selfattention calculation makes the classification model only focus on the foreground of the image, but not on the background in dim environment Hence, for coal and gangue classification in actual environment of mines, we propose a coal and gangue classification framework based on the Swin Transformer model, as shown in Fig 4 To