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
Coal gangue processing process
Coal Gangue: Composition, Processing, Use And
2024年1月18日 Coal gangue is a fixed coal mining, washing, and processing product It is a blackgray rock with lower carbon content and harder than coal associated with coal seams during the coal formation process And its 2024年2月1日 Based on the source and distribution of coal gangue (CG) in China, this study introduces the current situation of CG storage in China and the problems existing in the Representative coal gangue in China: Physical and chemical 2024年9月7日 It has been observed that during the progressive grinding process, the coal gangue particles undergo sequential stages of particle size reduction, particle agglomeration Opportunities, challenges and modification methods of coal 2023年11月6日 The research and development of intelligent separation equipment for coal gangue with faster processing capacity and more accurate separation accuracy will promote the reform in the field of coal miningFull article: A review of intelligent coal gangue
Lowcarbon utilization of coal gangue under the
2023年5月25日 Against the background of the carbon neutralization strategy, the treatment and utilization of coal gangue should focus on three aspects: its own carbonfree emissions; its carbon absorption effect and lowcarbon 2022年11月25日 Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly discharged on the ground surface as waste heaps, it occupies large areas of land and cause environmental Underground Disposal of Coal Gangue Backfill in China 2024年7月17日 Demonstration experiments using the system prototype for coal gangue sorting reveal that, compared to existing robotic arm sorting methods in coal washing plants, this system achieves aDesign and application of coal gangue sorting system 2024年6月4日 Coal gangue is a kind of solid waste produced in the process of coal production and processing, which accounts for about 10–20% of coal output on average (Liangji et al Characteristics of Coal Gangue and Present Situation and Prospect
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The Sustainable Utilization of Coal Gangue in Geotechnical and
2022年4月6日 Among coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A 2024年3月13日 Coal is one of the main energy sources in many countries, and coal gangue (CG) is a kind of grayblack rock produced in the process of coal processing and washing, with low carbon content and harder than coal, Separation and Recovery of Valuable Carbon ACS 2023年5月24日 Coal gangue separation is the process of separating coal and gangue that are mixed together during coal mining The presence of gangue can significantly affect the combustion of coal, reduce its calorific value, and emit harmful gases, causing environmental pollution [11, 20, 22]To achieve highquality coal gangue separation, researchers worldwide A fast recognition method for coal gangue image processing2021年5月11日 The modernday coal processing plants can be categorized into four different circuits, depending upon the size of the coal particles to be treated: (a) coarse coal processing circuit treating particles coarser than 10 mm, (b) small coal circuit for washing particles in the size range of 110 mm, (c) fine coal circuit for cleaning particles in size range of 015–1 mm, and Mineral Beneficiation and Processing of Coal SpringerLink
Recognition and sorting of coal and gangue based on
2021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 2022年6月6日 Lithium extraction from the coal gangue was systematically investigated via the integrated process of roasting and acid leaching with the mechanism analysis The majority (94%) of lithium was extracted when raw samples are roasted at 400°C for 20 min before 4 h leaching with 2 mol/L hydrochloric acid at 60°C, which represented the optimal conditionsExtraction of lithium from coal gangue by a roastingleaching process Extraction of lithium from coal gangue by a roastingleaching process Lei Zhang a, Hangchao Chen a, Jinhe Pan a, Fan Yang , Hangtao Liu , Changchun Zhoua, and Ningning Zhangb aKey Laboratory of Extraction of lithium from coal gangue by a roastingleaching processCoal gangue is one of the largest mine solid wastes in China, and its discharge and stockpiling have caused resource waste, environmental pollution and other problems Starting from the resource characteristics of coal gangue, this paper systematically discusses the ways and research status of coal gangue resource utilization, mainly including: extracting and recovering Research Progress on Comprehensive Utilization of Coal Gangue
Research on Recognition of Coal and Gangue Based on Laser
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 2022年11月25日 China’s total coal production in 2021 exceeded 413 billion tons, 52% of the world’s total Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly discharged on the ground surface as waste heaps, it occupies large areas of land and cause environmental pollution This paper summarizes the existing gangue backfilling Underground Disposal of Coal Gangue Backfill in China MDPI2021年11月23日 The experiment results showed that the images of coal and gangue can be precisely recognized based on RSEEM under the influence of long running pollution and similar background grayscale, and the recognition accuracy can reach to 9615% as well as grasping accuracy to 85% at 04 m/s conveyor belt speed ABSTRACT The recognition and sorting of Recognition and sorting of coal and gangue based on image process 2023年11月6日 Traditional Coal Gangue Separation Process and Equipment Water washing and dry coal preparation are the main parts of coal preparation Spiral separation, jigging, heavy medium separation, and other processes are water washing processes, which have the advantages of mature technology, high separation accuracy, and large processing capacity Full article: A review of intelligent coal gangue separation
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Characterization studies on coal gangue for sustainable geotechnics
2020年2月5日 Coal gangue, a residue produced during the coal mining process, has found sparse utilization in civil engineering applications To gauge the feasibility of using coal gangue for geotechnical and geoenvironmental applications, comprehensive characterization study was performed which include understanding the geotechnical, mineralogical, chemical and The agglomerates were then separated from dispersed gangue minerals by screening and the agglomerates dispersed in a hydrophobic liquid 33 Low Rank Coal Processing by HydrophobicHydrophilic Separation conversion process PROCESSING LOW RANK COAL AND ULTRAFINE MINERAL 2024年3月13日 Coal is one of the main energy sources in many countries, and coal gangue (CG) is a kind of grayblack rock produced in the process of coal processing and washing, with low carbon content and harder than coal, Separation and Recovery of Valuable Carbon ACS 2024年7月23日 The adulteration of gangue will not only reduce the quality of coal, but also due to the low calorific value of gangue, mixed with coal will reduce the efficiency of coal combustion will also cause environmental pollution, so the gangue from the coal is very necessary to separate the processing process The sorting of coal gangue mainly Lightweight detection model for coal gangue identification based
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Progress in the utilization of coal gangue for soilification and the
Progress in the utilization of coal gangue for soilification and the preparation of soil amendment and provide a brief analysis of the challenges and issues faced in the soilification process Sun Hairong, Zhao Aidong Discussion on Using HighSulfur Coal Gangue to Improve Soil [J] Coal Processing and Comprehensive Utilization, 1999(3 2024年9月1日 Fig 1 shows the development process of coal gangue separation and sorting technology In the early stages of coal mining, Research on recognition of coal and gangue based on image processing World J Eng, 12 (3) (2015), pp 247254, 101260/17085284123247 View PDF View article Google ScholarResearch and prospect of underground intelligent coal gangue 2022年4月19日 In the process of coal mining, the coal quality is greatly reduced due to the mixing of gangue, and the stacking and burning of coal and gangue can cause serious environmental pollution The fast identification of coal and gangue is an important technology for gangue sorting Considering tiny YOLO v3 has the advantages of fast running speed, simple Fast identification model for coal and gangue based on the 2022年11月30日 According to the multilayer data processing method, coal gangue feature samples established above are statistically analyzed for the Standardized Processing (SP) signal, Development of coal and gangue identification process based on vibration signal of tail beamResearch on coal gangue recognition based on multilayer time
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Sustainable and clean utilization of coal gangue: activation and
Coal gangue, a byproduct produced during the coal processing, has a serious impact on the environment Using coal gangue as a fertilizer has been proven helpful in potentially reducing its environmental impact and improving its value In this study, the formation mechanism and influencing factors of coalganguebased silicon fertilizer was studied using XRD and FTIR 2015年7月22日 A novel method based on image processing that not only considers the image's gray feature but also utilizes the image’s spatial information, so the recognition precision is improved and provides new ideas for dry separation technology In order to avoid the waste of water resources and environmental pollution caused by separating coal and gangue in the Research on recognition of coal and gangue based on image processing 2024年3月6日 Therefore, in this study, the REYrich coal gangue in Jinsha County of Guizhou Province, SW China, was used as a research object Based on the study of the occurrence and distribution characteristics of REY in coal gangue, the process of selectively grinding coarsegrained tailing preenrichment and roasting–leaching of coal gangue was exploredCharacterization and acid leaching of rare earth elements in coal 2023年2月26日 The recognition of coal and gangue is the premise and foundation of coal gangue intelligent sorting Adaptive boosting (AdaBoost) algorithmbased coal gangue identification has not been studied in depth This Coal Gangue Recognition during Coal Preparation
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Coal and Gangue Classification Based on Laser
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 2021年9月8日 Xiangang et al proposed a coal gangue recognition method driven by deep learning that is based on the differences in the surface characteristics of coal gangue; they also studied the coal gangue location method based on binocular stereo vision, which effectively improves the accuracy of coal gangue identification and location Coal gangue detection and recognition algorithm based on The coal gangue in China is the core field of bulk solid waste comprehensive utilization due to its massive stock and YANG Q C, ZHANG F, DENG X J, et al Extraction of alumina from alumina rich coal gangue by a hydrochemical process[J] Royal Society Open Science, 2020, 7(4): doi: 101098/rsos CrossRef Google Scholar Pub Research progress of highvalue utilization of coal gangue 2023年12月1日 Online intelligent recognition of coal and gangue is an important aspect of coal mine intelligent development Current research focuses more on improving recognition accuracy through optimizing image processing algorithms, but there is limited research on the characteristics of coal gangue materials themselves, particularly the comparative analysis of Investigating comparisons on the coal and gangue in various
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Trace Elements in Coal Gangue: A Review IntechOpen
2017年12月20日 Now, coal gangue utilization is a matter of great concern and has attracted wide interest However, some toxic trace elements in coal gangue should be paid more Qiao Y, Han J, Sheng CD Status of trace element emission in a coal combustion process: A review Fuel Processing Technology 2004; 85:215237 DOI: 101016/S年7月1日 Coal preparation is an indispensable stage in coal production, during which runofmine coal is transformed into products (clean coal) suitable for the market Byproducts (coal gangue, coal slime, and middlings) are also produced during this process, which are complex mixtures containing small amounts of coal and many impurities (minerals)A review of stateoftheart processing operations in coal preparation Coal gangue is an industrial solid waste produced by coal mining and processing [1–3] The average production of gangue accounts for 10–15% of raw coal production [4,5], making coal gangue one of the biggest solid wastes in China At present, utilization ratio of coal gangue can reach about 60% in some countries There are stillExtraction of alumina from alumina rich coal gangue by a hydro 2024年1月13日 To address the technical limitations of automatic coal and gangue detection technology in fully mechanized top coal caving mining operations, the low radiation level radioactivity measurement Precise detection of coal and gangue based on natural γray
Characteristics of Coal Gangue and Present Situation and
2024年6月4日 Coal gangue is a kind of solid waste produced in the process of coal production and processing, which accounts for about 10–20% of coal output on average (Liangji et al 2014), it is the solid waste with the largest output and land occupation in industrial production (Qi 2019)2016年5月5日 The plant cleans and processes the coal to remove rocks, dirt, ash, sulfur, and other unwanted materials referred to as gangue [2] This process increases the heating value of the coal and Coal Processing and Utilization ResearchGate2022年4月6日 AbstractAmong coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A thorough Y Dong, and J Li 2017 “Effect of pH on the release of heavy metals from stone coal waste rocks” Int J Miner Process 165: 1–7 https://doi The Sustainable Utilization of Coal Gangue in Geotechnical and 2024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 (CGC
Sustainable and clean utilization of coal gangue: activation and
Coal gangue, which is the main source of citratesoluble silicon fertilizer, is a solid waste produced in the process of coal processing and utilization Due to the accumulation of a large amount of coal gangue and the failure to fully utilize or dispose it, it caused problems on the environment2024年2月23日 To address the issues of complex algorithm models, poor accuracy, and low realtime performance in the coal industry's coal gangue sorting, a lightweight realtime detection method called YOLOv8sGSC is proposed based on the characteristics of coal gangue This method incorporates the ghost module into the YOLOv8s backbone network to reduce the The realtime detection method for coal gangue based on2023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 2023年8月22日 The precise identification of damp, sticky coal gangue; efficient jet nozzle separation; and process layout in a narrow, restricted space are essential technologies for gangue source reduction based on underground gangue photoelectric separation, which is critical for the longterm growth of coal mines In this paper, the Xray absorption fine structure (XAFS) Gangue Source Reduction Technology and Process Optimization
Classification of coal gangue and identification of coal type based
2024年11月1日 Coal is one of the most valuable fossil fuels, and will continue to be in demand in the foreseeable future Coal gangue, a byproduct rock with low carbon content cogenerated with the coal seam during the coal formation process, is a solid waste that needs to be discharged during coal mining and washing2024年2月15日 To address the lightweight and realtime issues of coal sorting detection, an intelligent detection method for coal and gangue, Ourv8, was proposed based on improved YOLOv8 Images of coal and gangue with different densities under two diverse lighting environments were collected Then the Laplacian image enhancement algorithm was Detection of Coal and Gangue Based on Improved YOLOv8 MDPI