Pictures of Coal Gangue

Research on image classification of coal and gangue

2023年6月14日  The image classification method of coal and gangue proposed in this study consists of three steps First, raw images of coal and gangue samples are collected, and the data set is divided Then, the acquired image 2024年2月1日  In the traditional coal mining practice, gangue waste is piled up on the surface to form a gangue hill The distribution of CG is characterized by being more abundant in the Representative coal gangue in China: Physical and chemical 2019年3月29日  Pretreatments of coal and gangue images, including filtering, sharpening, and segmentation, are also introduced Owing to the differences in physicochemical properties, Separation of gangue from coal based on supplementary texture 2022年12月5日  Figure 1 shows the site photo of gangue piles in a coal mine area in Liaoning Province (China), where (a) is the gangue pile in spontaneous combustion, and (b) is the one without spontaneous combustion The Rapid Analysis of Composition of Coal Gangue Based

Influence of coal gangue mulching with various thicknesses and

2021年7月28日  Herein, mulching on the surfaces of soil columns with 30 cm height and 15 cm inner diameter was conducted using coal gangue with four particle size ranges (0–05, 05–1, 2019年12月1日  Coal gangue, a solid waste generated during coal mining and washing, accounts for approximately 10%–15% of the total coal production The accumulative amount Comprehensive utilization and environmental risks of coal gangue: 2022年12月26日  Coal and rock recognition method based on image processing Coal and gangue show different colors and textures under light due to differences in their constituent A review of coal gangue identification research—application to 2024年9月7日  Coal gangue, a blackgray rock with lower carbon content and heat value compared to coal, accounts for about 15%20% of coal production (Li et al 2006) The Opportunities, challenges and modification methods of coal

Cocombustion and emission characteristics of coal gangue and

2015年2月18日  The reuse of coal gangue for energy recovery is developing rapidly in China, due to its advantage in achieving both economic and environmental benefits Lowquality coal is often added to elevate the calorific value of the fuel In this paper, the combustion characteristics as well as pollutant emissions (SO2 and NO) of coal gangue, lowquality coal and their blends 2020年6月26日  Coal gangue piles accumulate outside mines and can persist for years, negatively impacting the regional environment To determine the main cause of soil pollution at coal gangues, several coal Excess sulfur and Fe elements drive changes in soil and Nature2024年6月30日  Artificial gangue selection, as the earliest method of coal gangue separation, exhibits low efficiency and accuracy while also posing health risks to workers [10]Wet gangue selection technology utilizes the gravity difference between coal and gangue in a liquid medium to achieve efficient separation, addressing the issue of fly ash that endangers worker health [11]Intelligent photoelectric identification of coal and gangue − A Separating coal and gangue can improve coal quality, save energy, The return information of the prediction box is enlarged to the original picture 2048 × 2048, Detection of coal and gangue Download Scientific Diagram

Research progress of highvalue utilization of coal gangue

The coal gangue in China is the core field of bulk solid waste comprehensive utilization due to its massive stock and emission, high concentration of output, small proportion of highvalueadded utilization, and outstanding environmental impact Hence, the prospect of resource utilization of coal gangue is broad The existing disposal capacity and scale of coal gangue obviously 2022年12月26日  Top coal caving is a process for the rational extraction of large amounts of coal resources However, this process readily causes release of excessive amounts of gangue during the coal release process The conventional technique, which involves visual inspection, is not only laborintensive but also can introduce inaccuracies Coal and gangue identification methods A review of coal gangue identification research—application to 2024年10月29日  Coal gangue identification is the primary step in coal flow initial screening, which mainly faces problems such as low identification efficiency, complex algorithms, and high hardware requirements In response to the above, this article proposes a new “hardware friendly” coal gangue image recognition algorithm, RRBMYOLO, which is combined with dark light RRBMYOLO: Research on Efficient and Lightweight Convolutional 2022年12月20日  For coal and gangue, intelligent sorting processes for separation, the use of coal and gangue mineral components with different fundamental differences, and the study of different properties of minerals and coal with different scales and density regarding the gray value change law are presented The results show that the gray value of single minerals and mixed Research on the Identification Mechanism of Coal Gangue Based

Feasibility Analysis of BacterialTreated Coal Gangue for Soil

2024年6月28日  The longterm storage of coal gangue (CG) mountains causes serious environmental problems such as water and air pollution Thus, sustainable reclamation practices are urgently needed to minimize 2024年8月23日  Coal gangue, a byproduct of coal mining, constitutes over 10 % of coal production [4] and represents one of the largest accumulations of industrial solid waste worldwide, posing significant ecological concerns [5], [6], [7]Consequently, repurposing coal gangue as a resource has emerged as a critical area of research [8]At present, coal gangue serves Enhancing coal gangue aggregates with fly ashcement slurry 2019年5月8日  Recognizing and distinguishing coal and gangue are essential in engineering, such as in coalfired power plants This paper employed a convolutional neural network (CNN) to recognize coal and Image Recognition of Coal and Coal Gangue Using a 2024年5月21日  Scientific Reports Dynamic characteristics of coal gangue subgrade filler under traffic load based on the hysteretic curves Skip to main content Thank you for visiting natureDynamic characteristics of coal gangue subgrade filler under

Detection of Spontaneous Combustion Areas of Coal

2023年12月8日  Spontaneous combustion of coal gangue dumps not only releases toxic and harmful gases, polluting the environment, but also leads to explosion accidents and casualties due to improper handling This paper 2023年11月11日  Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energysaving nature However, the response characteristics of coal and gangue vary greatly under different illuminance conditions, which poses challenges to the stability of feature extraction Research on Recognition of Coal and Gangue Based on Laserthis paper, the properties of coal gangue were briefly described, and the utilization status of coal gangue of the current domestic and foreign was summarized In the end, the problems existed in the process of making use of gangue were analyzed, and some recommendations were put forward for these problems Keywords Coal Gangue, Solid Waste Summary of the Utilization Status of Coal Gangue hanspub2017年11月23日  80 times—general picture Coal gangue is one of the main solid wastes during the mining and washing process of coal, and its amount accounts for about 15% of the raw coal output [6](PDF) Microstructure of Coal Gangue and Precipitation of Heavy

Research and engineering practice on space characteristics of gangue

2023年12月12日  The issue of gangue emissions accompanying coal production is one of the key factors currently hindering the green and efficient development of the coal industry 1,2According to statistics, the 2023年12月8日  During the extraction and processing of coal, a large amount of solid waste, collectively known as gangue, is produced This gangue has a low carbon content but a high ash content, accounting for approximately 15 to 20% of the total coal yield Before coal is used, coal and gangue must be effectively separated to reduce the gangue content in the raw coal and Coal and Gangue Classification Based on LaserInduced 2024年7月12日  Coal gangue (CG), which accounts for about 10–20 % of coal output, is a kind of solid waste generated during the coal mining and washing processes According to Fig 2 , the annual output of CG in China fluctuates between 600–800 million tons, with a utilization rate hovering around 70 %Review Highcapacity utilization of coal gangue as supplementary 2024年6月28日  The longterm storage of coal gangue (CG) mountains causes serious environmental problems such as water and air pollution Thus, sustainable reclamation practices are urgently needed to minimize the environmental impacts brought by CG mountains Pikovskaya medium was employed to screen microorganisms, which were subsequently Feasibility Analysis of BacterialTreated Coal Gangue for Soil

FiberReinforced Coal GangueBased Alumina Aerogel

2024年5月11日  An aluminum silicate fiber/alumina aerogel (ASF/AA) composite was prepared via the solgel method and atmospheric drying (APD) method using coal gangue (CG) solid waste from Xingxian county, Shanxi Province, as the 2023年2月23日  Coal and gangue particles A total of 135 anthracite coal particles and 37 gangue particles were investigated, which are screened, cleaned and dried, and shown in Fig 4 and Fig 5Both anthracite The shape parameters of coal and gangue particles derived from 2023年4月24日  Coals will still constitute the master energy source in long future Regrettably, the gangue in coals can whittle down the coal’s combustion efficiency and induce nocuous gases for environmental contamination []It is indispensable to divorce gangue from raw coals for an ecobenign and efficient utilization of coals []In this context, computer visionassisted mineral A Swin transformerfunctionalized lightweight YOLOv5s for real 2020年4月14日  31 Mineralogical Composition of Coal Gangue The chemical composition of coal gangue sample by XRF analysis was shown in Table 1The results show that the main chemical elements in the samples are silicon and aluminum, and the total amount of other elements is less than 15%Identification and Activation of Coal Gangue and Performance

Characterization studies on coal gangue for sustainable geotechnics

2020年2月5日  Global rise in greenhouse gas emissions (GHG) is triggered mainly due to the consumption of fossil fuels for power generation and domestic usage Among the fossil fuels, coal is a primary contributor to global GHG with substantial emissions generated during its mining and combustion process Coal gangue, a residue produced during the coal mining process, has 2021年5月27日  ABSTRACT To detect coal content in gangue, a novel approach based on image analysis and particle swarm optimization–support vector machine (PSOSVM) was presented First, 15 features that included four sizes and 11 density parameters were extracted from coal and gangue regions of sample pictures, respectivelyDetection of coal content in gangue via image analysis and 2023年2月27日  Synthesis and development of highefficiency and lowcost adsorbents for treating of the wastewater containing heavy metal ions and/or dyes has been aroused worldwide attention in recent years In this study, the coal gangue as the only supply of Si and Al was adopted to synthesize sodalite using hydrothermal method Both the gangue and the Characterization of coal gangue and coal ganguebased sodalite 2012年7月2日  This paper provides an overview on the current status of power generation in China using coal gangue The government regulation towards the use of coal gangue for power generation is introduced(PDF) Power Generation from Coal Gangue in China

Coal gangue detection and recognition algorithm based on

2021年9月8日  The YOLOv4 network correctly detected coal and gangue of different sizes, but for the detection of largesized coal and gangue (eg third picture with a size of 6–8 cm and the second and third pictures with a size of 10–12 cm), it was prone to Recognizing and distinguishing coal and gangue are essential in engineering, such as in coalfired power plants This paper employed a convolutional neural network (CNN) to recognize coal and Photos of coal and gangue from a washing plant stockpile2019年5月8日  Recognizing and distinguishing coal and gangue are essential in engineering, such as in coalfired power plants This paper employed a convolutional neural network (CNN) to recognize coal and gangue images and Image Recognition of Coal and Coal Gangue Using a Nowadays, most of the deep learning coal gangue identification methods need to be performed on highperformance CPU or GPU hardware devices, which are inconvenient to use in complex underground coal mine environments due to YOLOv4TinyBased Coal Gangue Image Recognition

Research on image classification of coal and gangue based on a

2023年6月14日  In this study, coal and gangue samples were obtained mainly from a mining area in East China We used the visible light mode of the FLIR E50 thermal imaging camera from Fili USA for data acquisition We randomly selected the number of coal and gangue every 200 pieces for sampling, yielding a total of 400 pictures of coal and gangue2024年2月28日  Currently the main method of mine solid waste disposal and utilization is to apply gangue to underground filling For the grading characteristics of coal gangue in the hollow zone in underground Study on the macro–micro evolution of compaction Nature2024年4月15日  Coal gangue is a byproduct of coal mining and processing, and according to incomplete statistics, China has amassed a substantial coal gangue stockpile exceeding 2600 large mountains, which poses a serious threat to the ecological environment Utilizing gangue as a coarse aggregate to produce gangue concrete (GC) presents a promising avenue for Enhancing Fatigue Performance of Coal Gangue Concrete (CGC2021年5月27日  PDF To detect coal content in gangue, First, 15 features that included four sizes and 11 density parameters were extracted from coal and gangue regions of sample pictures, respectively(PDF) Detection of coal content in gangue via image analysis and

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 2023年8月31日  The coal gangue is crushed and screened in the coal preparation plant to form small particles (less than 6 cm) These particles are then paved into a roadbed with a thickness of about 35 cm After compaction, the density can reach 18 t/m 3 so that the roadbed has good waterproof performance and durability and is more costeffectiveHow to Recycle and Process Coal Gangue: 7 Effective Ways2021年11月23日  The recognition and sorting of coal and gangue are an important part of the process of reducing costs and improving production efficiency In this paper, under the influence of long running Recognition and sorting of coal and gangue based on image 2019年12月1日  Coal gangue has a wide range of applications in building material industry, energy industry, agriculture and other emerging industries, which are presented in Fig 3 The recycle of coal gangue is considered as an ecofriendly alternative which not only addresses its disposal, but also contributes to low material costs and sustainable use ofComprehensive utilization and environmental risks of coal gangue: A

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