Shanxi Qingxu small quicklime coal preparation and gangue machine equipment

A review of intelligent coal gangue separation

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 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1日  Gao designed a coal gangue intelligent sorting system using machine vision to sort the coal flow on conveyors This system mainly consists of a gangue sorting platform for Research and prospect of underground intelligent coal gangue 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 Recognition method of coal and gangue combined with structural

Coal Preparation Technology: Status and Development in China

2015年11月1日  This paper discusses significant developments of coal preparation industry in China The development direction of lowquality coal resources is also described, including the 2018年7月26日  This article proposes a method that can be used to improve the differentiation of coal and gangue via image processing and use of a support vector machine (SVM) Images of Research on methods to differentiate coal and gangue using 2022年12月26日  The objectives of this review are to discuss the automated identification of coal rock during the process of coal release in China and other countries, analyze the current A review of coal gangue identification research—application to 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

Coal and Gangue Classification Based on LaserInduced

2023年12月8日  Before coal is used, coal and gangue must be effectively separated to reduce the gangue content in the raw coal and improve the efficiency of coal utilization This study 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 Research Progress on Comprehensive Utilization of Coal Gangue2024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 gangueExperimental equipment was built, and coal gangue data sets of small size, large size, dim light, mutual concealment, a large number of coal gangue under multiple conditions were constructedCoal Gangue Detection and Recognition Method Based on Multi

Optimized Preparation of Porous Coal GangueBased

2022年11月28日  The purpose of study is to optimize the preparation of porous coal ganguebased geopolymer and quantitatively analyze its pore structure to establish the relationship between pore structure and 2006年4月1日  Conventional floatsink testing is considered the standard test method for generating coal washability data (Temel, Majumder, and Bakır 2015, Galvin 2006, Callen et al 2002, Callen et al 2008 (PDF) Coal preparation plant optimization: A critical review of 2019年12月1日  The amount of coal gangue, a byproduct of coal mining and washing, is rapidly increasing with the growing trend of energy consumption The accumulated coal gangue without appropriate utilization has resulted in a squander of resources, waste disposal and environmental pollution issues Over the past few decades, there has been wide attention in developing Comprehensive utilization and environmental risks of coal gangue: A 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 MDPI

Coal Gangue: Composition, Processing, Use And Recycling

2024年1月18日  Coal: One of the main components of coal gangue is coal itself, including different types of coal, such as stone coal, lignite, anthracite, etc Rock: Coal gangue usually contains a large amount of rockThese rocks may be rock layers above and below the coal seam or other stones in the deposit Pyrite: As you mentioned, coal gangue may contain pyrite, a 2024年1月2日  Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw Coal gangue‐based ceramics foams by water spray granulation 2024年6月4日  According to the statistical data of the new output of coal gangue in the major coalproducing provinces in 2018, the new output of coal gangue in the nine major coalproducing provinces of Inner Mongolia, Shanxi, Shaanxi, and Xinjiang Province, which is 579 million tons, it accounts for 8738% of the total new output in China, and the output of coal gangue in the Characteristics of Coal Gangue and Present Situation and 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 Recognition and sorting of coal and gangue based on image

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 2024年4月26日  Accurate identification of coal and gangue is essential for clean and efficient use of coal Existing target detection algorithms are ineffective in detecting smalltarget and overlapping gangue Research on light weight intelligent identification method of coal 2023年4月7日  Temperature Distribution Regularity and Dynamic Evolution of Spontaneous Combustion Coal Gangue Dump: Case Study of Yinying Coal Mine in Shanxi, China April 2023 Sustainability 15(8):6362Temperature Distribution Regularity and Dynamic 2024年1月24日  The ceramic membrane is widely used in the field of domestic sewage treatment due to its high flexural strength, acid and alkali corrosion resistance, easy cleaning, and other advantages This article uses coal gangue and loess as the main raw material (coal gangue:loess = 8:2), calcium carbonate as the pore‐forming agent, and carboxymethyl cellulose as the Preparation and application of microfiltration porous coal gangue

Machine vision recognition method and optimization for

2020年4月8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 2024年9月1日  In the 1990s, L Wade from the UK designed an underground coal gangue separation machine based on the differential crushing capabilities of an elastic load crusher China's first underground coal preparation system was built in 2010 at the Xiezhuang Mine of the Xinwen Mining Group in Shandong (Zhou, 2010)Research and prospect of underground intelligent 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 Picking out gangue larger than 50 mm before coal preparation is necessary for reducing the production load and equipment wear Normally, this process is implemented byCoal and gangue recognition under four operating conditions by

Environmental characterization of burnt coal gangue banks at

2008年7月1日  For example, Querol et al (2008) investigated the coal gangue from Shanxi Province, China and reported that some potential hazardous elements (eg, As, S, N, Hg, and Se) emitted during 2018年10月26日  Coal and gangue recognition is a key issue in rock picking during the coal preparation process Four operating conditions including raw coal with the dry clean surface, wet clean surface, dry Coal and gangue recognition under four operating conditions DOI: 101080/2023 Corpus ID: ; A review of intelligent coal gangue separation technology and equipment development @article{Jiang2023ARO, title={A review of intelligent coal gangue separation technology and equipment development}, author={Zhigang Jiang and Kunzhong He and Dongming Zhang}, journal={International A review of intelligent coal gangue separation technology and equipment 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,A review of intelligent coal gangue separation technology and equipment

The experimental dataset for coal and gangue after

Pu et al used migration learning to train the collected coal and gangue dataset; the precision of the validation set was only 825%, and the performance of the model needs to be improved [15]2024年5月20日  Aiming at the problems of insufficient attention to spatial information, long classification training time, and high model complexity in current gangue image classification algorithms, a lightweight fast recognition model for gangue Research on efficient classification algorithm for coal and gangue 2018年7月26日  Early investigations on coalgangue detection were mainly focused on designing eigenvectors to reveal differentiation between coal and gangue; these were based on image processing (eg, gray Research on methods to differentiate coal and gangue using 2020年4月14日  22 Experiment The chemical composition measured by Bruker S8 TIGER XRF analysis; the mineralogical composition measured via Bruker D8 ADVANCE XRD analysis; thermal analysis conducted with Mettler Toledo analyzer in a temperature range of 30–1000 °C at a heating rate of 10 °C/min and N 2 or O 2 atmosphere Mortar strength test: prismatic mortar Identification and Activation of Coal Gangue and Performance

Classification of coal and gangue under multiple surface conditions via

2019年9月1日  This paper proposes a modified YOLOv4 model, named GYOLO, for coal gangue recognition with the aim of reducing model parameters, improving calculation speed, and reducing equipment requirements2022年7月13日  1 CG: coal and gangue images for training, which is timeconsuming and laborious to acquire In this paper, based on small samples, image augmentation, and generative adversarial network were used to expand dataset of CG images to improve the performance of coalgangue detectors The dataset was expanded by pixel transform firstlyA data expansion strategy for improving coalgangue detection2024年3月13日  Coal gangue (CG), an industrial solid waste with high contents of Li and Ga, has attracted the attention of researchers However, the utilization of CG remains an economic challenge Preenrichment of Li and Ga by flotation was carried out with a view to improving the comprehensive utilization of CG Mineral composition, timeofflight secondary ion mass Separation and Recovery of Valuable Carbon ACS Publications2021年9月20日  Silicon (Si) fertilizer is of great significance to modern agricultural production; the citratesoluble silicon fertilizer based on coal gangue is one way to protect the environment and meet the Sustainable and Clean Utilization of Coal Gangue: Activation 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 Experimental equipment was built, and coal gangue data sets of small size, large size, dim light, mutual concealment, a large number of coal gangue under multiple conditions were constructedCoal Gangue Detection and Recognition Method Based on Multi 2022年11月28日  The purpose of study is to optimize the preparation of porous coal ganguebased geopolymer and quantitatively analyze its pore structure to establish the relationship between pore structure and Optimized Preparation of Porous Coal GangueBased 2006年4月1日  Conventional floatsink testing is considered the standard test method for generating coal washability data (Temel, Majumder, and Bakır 2015, Galvin 2006, Callen et al 2002, Callen et al 2008 (PDF) Coal preparation plant optimization: A critical review of

Comprehensive utilization and environmental risks of coal gangue: A

2019年12月1日  The amount of coal gangue, a byproduct of coal mining and washing, is rapidly increasing with the growing trend of energy consumption The accumulated coal gangue without appropriate utilization has resulted in a squander of resources, waste disposal and environmental pollution issues Over the past few decades, there has been wide attention in developing 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 MDPI2024年1月18日  Coal: One of the main components of coal gangue is coal itself, including different types of coal, such as stone coal, lignite, anthracite, etc Rock: Coal gangue usually contains a large amount of rockThese rocks may be rock layers above and below the coal seam or other stones in the deposit Pyrite: As you mentioned, coal gangue may contain pyrite, a Coal Gangue: Composition, Processing, Use And Recycling2024年1月2日  Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw Coal gangue‐based ceramics foams by water spray granulation

Characteristics of Coal Gangue and Present Situation and

2024年6月4日  According to the statistical data of the new output of coal gangue in the major coalproducing provinces in 2018, the new output of coal gangue in the nine major coalproducing provinces of Inner Mongolia, Shanxi, Shaanxi, and Xinjiang Province, which is 579 million tons, it accounts for 8738% of the total new output in China, and the output of coal gangue in the 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 Recognition and sorting of coal and gangue based on image

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