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
What are the good methods for processing coal gangue
How to Recycle and Process Coal Gangue: 7 Effective
2023年8月31日 From cement to fine casting sand, coal gangue has huge potential This blog will introduce 7 effective recycling and processing methods2024年1月18日 Processing coal gangue is usually essential in coal mining because it involves environmental protection and resource utilization issues The following are some standard coal gangue treatment methods: Coal gangue Coal Gangue: Composition, Processing, Use And 2024年9月7日 This paper provided a comprehensive review of various modification methods (including mechanical, chemical, microbiological, thermal, hydrothermal and composite Opportunities, challenges and modification methods of coal 2023年11月6日 Intelligent coal gangue separation equipment has the advantages of fast speed, high precision, strong modularity, and integration scalability It also has the advantages of low operation cost and energy Full article: A review of intelligent coal gangue
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Separation and Recovery of Valuable Carbon ACS
2024年3月13日 (21) According to the occurrence mode of Li and Ga in coal and its byproducts, the main methods for extracting Li and Ga are the: roasting method and acid–base leaching method (22−24) However, these methods 2019年12月1日 This study provides a new idea for the sustainable treatment of dye wastewater, provides a new way for the utilization of coal gangue resources, and lays a good theoretical Comprehensive utilization and environmental risks of coal gangue: 2022年11月25日 The stateoftheart technologies that can realize highefficiency, centralized, and largescale underground backfilling of coal gangue are analyzed This paper shows that the industrial implementation of these Underground Disposal of Coal Gangue Backfill in China 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 Lowcarbon utilization of coal gangue under the
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Review Highcapacity utilization of coal gangue as supplementary
2024年7月12日 Utilization of coal gangue in engineering is an ecological and sustainable way The pretreatment intensity varies across different utilization methods Progressed coal gangue 2021年5月17日 Recognizing coal and coal gangue is an important part of the coal industry and is mainly conducted via human sorting at present Consequently, considerable manpower is needed, which adds a burden Recognition Methods for Coal and Coal Gangue 2019年12月1日 The acid method is a commonly used method because of its high efficiency and simple operation Ren et al prepared Al(OH) 3 from coal gangue by acid method, and the extraction rate of Al 2 O 3 in coal gangue reached 818% (Ren, 2012) Furthermore, the activation of coal gangue also contributes to the precipitation of useful prehensive utilization and environmental risks of coal gangue: A Coal 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 Research Progress on Comprehensive Utilization of
Copper Mining and Processing: Processing Copper Ores
Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 9999% pure copper called cathodes, which will ultimately be made into products for everyday useThe most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, 2023年12月7日 In practical underground production environments, low light intensity and the presence of dust can disrupt the recognition of coal and gangue To advance the separation of coal and gangue in underground settings, this paper introduces a coal–gangue recognition approach (DG Module (DGM) + YOLOXPSB) tailored for conditions of low light A coal and gangue detection method for low light and dusty2020年5月13日 Traditional coal and gangue identification methods, such as gamma ray detection, infrared detection, and radar detection, have some difficulties in practical application 1, 2 In view of the Image positioning and identification method and system for coal gangue from coal, multispectral method with correlation and joint colortexture method were 100 % respectively Combined multispectral and joint colortexture methods gave good accuracy with 64 gray levels quantization for separation of gangue from limestone and coal Keywords Limestone Gangue Colortexture features Image processing Neural networkNovel Methods for Separation of Gangue from Limestone and Coal
An Image Recognition Method for Coal Gangue Based on
and coal blocks is a necessary step for the efficient removal of coal gangue in coal production, which is of great significance for environmental protection [1,2] Because of its obvious2022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 and H Feng 2013 “Microstructural characterization of the hydration products of bauxitecalcinationmethod red mud coal gangue based cementitious materials The Sustainable Utilization of Coal Gangue in Geotechnical and 2021年9月8日 41 Design and implementation of coal gangue detection and recognition device This study proposes an method for coal gangue detection and recognition on the basis of the DCNYOLOv3 algorithm Firstly, the method collects realtime video images of a conveyor belt operation through an industrial camera erected perpendicular to the conveyor beltCoal gangue detection and recognition algorithm based on 2024年7月23日 Sun and Chen [] decomposed coal rock images based on doubletree complex wavelet transform and completed image identification based on relative entropy similarityLi et al [] built a coal gangue sorting image capture system, and the test results of coal and gangue classification accuracy were 903% and 830%, respectivelyXue et al [] proposed a coal Lightweight detection model for coal gangue identification based
(PDF) An Image Recognition Method for Coal Gangue
2022年4月25日 To improve the recognition accuracy of coal gangue images with the back propagation (BP) neural network, a coal gangue image recognition method based on BP neural network and ASGSCWOA (ASGSCWOA 2019年12月1日 The harm done to the environment by coal gangue was very serious, and it is urgent to adopt effective methods to dispose of coal gangue in order to prevent further environmental damage Copyrolysis experiments of coal gangue (CG) and peanut shell (PS) were carried out using thermogravimetryFourier transform infrared spectroscopy (TGFTIR) Comprehensive utilization and environmental risks of coal gangue: A 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 2023年5月24日 To effectively separate coal and gangue, accurate classification is an important prerequisite Here, a new recognition solution for coal and gangue is proposed, in which the convolutional neural A fast recognition method for coal gangue image processing
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The realtime detection method for coal gangue based on
2023年9月12日 the , = = ( ( , )) ) + / / ( , ) ( , ) ( ) ( )2020年2月20日 A large amount of coal gangue buildup may be a potential fire hazard associated with the heat released by microorganisms accumulating to the point of spontaneous combustion in the presence of unburned coal, pyrite (FeS 2) and oxygenCoal gangue is likely to cause largescale fire and blast disasters, and produce a significant amount of toxic emissions Reactivity activation of waste coal gangue and its impact on the 2024年2月1日 Coal is not only the most abundant fossil fuel on earth, but also an indispensable energy source in the industrial age According to the data of “2021 National Mineral Resources Reserve Statistics Table”, the cities with the most coal reserves in China's energy minerals are Inner Mongolia, Xinjiang, Shanxi, Hebei, Chongqing, Gansu, Shaanxi and other regionsRepresentative coal gangue in China: Physical and chemical 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
Recognition method of coal and gangue combined with
2023年3月1日 In the prospect of the development of coal science and technology during the “14th FiveYear Plan” of China's coal industry, the intelligentization of dry coal preparation is regarded as one of the research directions for clean and efficient coal processing [8] The separation method of coal and gangue based on image recognition [9], as a 2017年12月20日 Coal gangue is one of the largest industrial residues It has high ash content, low carbonaceous content, and heating value Meanwhile, it has some trace elements Large quantities of coal gangue cause serious environmental problems by polluting the air, water, and soil as well as occupying a tremendous amount of land Now, coal gangue utilization is a Trace Elements in Coal Gangue: A Review IntechOpen2021年11月23日 The representative method of coal and gangue separation based on the optical image include SVM (Dou et al 2020 ), ANN (Zhou et al 2016a ), CNN (Hong et al 2017 ) and yolo (Sun, Huang, and Jia Recognition and sorting of coal and gangue based on 2019年12月19日 In addition, our proposed method enables the detection of multiple coal and gangue objects in an individual image and solves the problem of queuing requirements in traditional methods Overview of An ImageBased Hierarchical Deep Learning
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Research on recognition of coal and gangue based on image processing
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 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 developed a coal gangue recognition model (CGRCNN) based on convolutional neural networks, using thermal images as the standard images for coal gangue recognition, and achieved high recognition accuracy and prediction accuracy Although the aforementioned methods have achieved coal gangue detection, they still have some gaps in perforThe realtime detection method for coal gangue based on2020年5月13日 ABSTRACT Accurately positioning and identifying coal and gangue under the heterogeneous and complex scenarios of coal production is a key and difficult problem for coal and gangue sorting robot This paper proposes an image processing based method for the problem and further develops a positioning and identification systemImage positioning and identification method and system for coal
Image feature extraction and recognition model construction of coal
gangue recognition in fully mechanized caving mining, the extraction method of Coal and gangue images features is proposed, and the corresponding coal gangue recognition model is constructed2024年2月15日 For coal and gangue targets with unknown classifications, the pvalue is calculated using the methods in 23 Twodimensional R–I extended spatial classification model, 24 Image processing method, and the exact classification of coal and gangue targets can be determined by comparing the pvalue with the set thresholdDualenergy Xray transmission identification method for coal Crystals of cassiterite, a commercially valuable ore mineral, in a matrix of quartz, the gangue Banded ZnPb ore sample with sphalerite (brown) and (silvergrey) galena as main ore minerals and (white) calcite as main gangue mineral In mining, gangue (/ ɡ æ ŋ /) [1] is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore depositGangue Wikipedia2023年10月7日 For the traditional machine learning methods rely on manual experience and deep learning classification model depth and complex structure, resulting in poor gangue classification performance, this Research on coal gangue classification recognition method based
A sorting method for coal and gangue based on surface grayness
Sorting coal and gangue is important in raw coal production; accurately identifying coal and gangue is a prerequisite for effectively separating coal and gangue The method of extracting coal and gangue using image grayscale information can effectively identify coal and gangue, but the recognition rate of the sorting process based on image grayscale information needs to 2024年10月3日 Moreover, coal gangue contains nutrients essential for plant growth [9] By processing it appropriately, coal gangue can be transformed into soil amendments for soil remediation and improvement, paving the way for a synergistic approach to coal gangue utilization and mining area ecological restorationProgress in the utilization of coal gangue for soilification and the 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 environment in the air pollution and water pollution, and triggered some geological disasters such as landslides and coal gangue debris ows [12] Fortunately, coal gangue is a type ofSustainable and clean utilization of coal gangue: activation and processing methods (such as noise reduction [12], image enhancement [13], feature extraction [14], and so on), and finally the identification of coal and gangue are carried outMultispectral Imaging: A New Solution for Identification of Coal and Gangue
Recognition method of coal and gangue based on multispectral
development of image processing and artificial intelligence The recognition rate of this method for coal and gangue can reach995%,andithasexcellentantinoiseabilityOnthebasisof2022年12月6日 Aiming at the problems of the existing coal gangue recognition methods based on image processing, such as the inaccurate positioning of coal gangue targets on the conveyor belt, and the influence An Improved Method of Coal Gangue Deep Learning Recognition 2023年9月21日 In this study, the research aim is to enhance the activity index of activated coal gangue and study its activation mechanism The activation process of coal gangue was optimized through orthogonal tests, and the BackPropagation (BP) neural network model was improved using a genetic algorithm With the effects of grinding duration, calcination temperature, and Study on the Reactivity Activation of Coal Gangue for Efficient2020年5月27日 gangue and slag, so that many coal gangue and slag powder did not participate in the geolog ical polymerization reaction, and the residual filled in the specimen, thus reducing the compressive (PDF) Study on the Pore and Microstructure Fractal ResearchGate
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Comprehensive Extraction of Silica and Alumina from HighAlumina Coal
2021年9月29日 This paper describes a novel process, hematite involved roasting − alkaline leaching − Bayer digestion, to extract silica and alumina from highalumina coal gangue (HACG) The phase transformations during roasting were investigated through Xray diffraction, Xray photoelectron spectroscopy, scanning electronic microscope, and energydispersive