
Coal gangue separation

Full article: A review of intelligent coal gangue
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9月1日 Underground coal gangue separation and sorting allows precise separation of coal materials underground The selected highquality coal or mixed coal is sent to the surface Research and prospect of underground intelligent coal gangue 2017年12月10日 The underground separation of gangue from coal is an important part of the process of reducing transportation costs and improving production efficiency A new method is Separating coal and gangue using threedimensional laser scanning2024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

Separation of gangue from coal based on supplementary texture
2019年3月29日 With the continual developments in artificial intelligence and image technology, in this paper, a new method is proposed to separate gangue from coal based on image 2023年8月22日 Coal gangue photoelectric separation technology is suitable for the separation, removal, and reduction in underground coal gangue It has the advantages of modularization, integration, strong scalability, and no need for Gangue Source Reduction Technology and Process 2024年3月13日 In this study, the coal gangue collected from Jungar coalfield contains 437 ppm of lithium, which is significantly higher than the av content of coal (318 ppm) in China Lithium extn from the coal gangue was Separation and Recovery of Valuable Carbon It is important to separate coal gangue from lump coal during the production of coal mine The system investigated the fundamental characteristics of coal imageAutomatic Separation System of Coal Gangue Based on DSP and

Coal gangue separation system based on density measurement
2012年8月20日 A method of separating gangue from coal based on the density by calculating volume and weight of the ores which is measured by the designed equipment was given in this 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 introduces a classification method for Coal and Gangue Classification Based on Laser 2021年2月14日 In coal production, the raw coal mined directly from coal mines contains a lot of gangue, which contains a lot of heavy metals, and affects the calorific value of coal, causing serious pollution to the environment Coal and Gangue Separating Robot System Based 2024年6月1日 With China already committing to peak carbon dioxide emissions before 2030 and to achieve carbon neutrality before 2060 (Li and Qin, 2019), the cleaning utilization of coal is increasingly important (Xu et al, 2020)Separating the gangue mixed within the coal before its utilization is a key step in clean coal technologyA highconfidence instance boundary regression approach and its

Research on Recognition of Coal and Gangue Based
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 2023年11月23日 This paper expounds on the technological process of technology of filling goaf with coal gangue Then use the grouting pump to fill the gangue slurry to the separation area under the vital Technology and engineering test of filling goaf with coal gangue 2023年2月1日 The ratio between combustible organic matter and inorganic impurities of coal is also one of the variables in coal classification Coal gangue is a significant residue of coal mining and cleaning, which accounts for approximately 10–15% of raw coal [3]The first group of impurities in coal, which are also the most commonly encountered, are quartz (SiO 2) and clay Conventional and recent advances in gravity separation 2021年9月1日 Phase transformation and separation of alumina and silica minerals in coal gangue are studied in this paper in order to prompt the resource utilization of coal gangue The results show that the phase transformation of kaolinite in coal gangue during hightemperature calcination is in the following way: kaolinite → metakaolin → spinel → mulliteMineral phase transformation in coal gangue by high temperature

Research on coal gangue separation method based on dual
Request PDF On Mar 7, 2022, Dong Li and others published Research on coal gangue separation method based on dual energy xray image technology Find, read and cite all the research you need on Coal gangue is one of the largest mine solid wastes in China, XIAO J, LI FC, ZHONG QF, et al Separation of aluminum and silica from coal gangue by elevated temperature acid leaching for the preparation of alumina and SiC[J] Hydrometallurgy, 2015, 155: 118124 doi: 101016/jhydromet201504018Research Progress on Comprehensive Utilization of Coal Gangue2023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2月15日 Zhang et al compared the YOLOv4, SSD, and Faster RCNN algorithms to detect coal gangue and drew the conclusion that the YOLOv4 detection algorithm performed better with an mAP value of 9752% Junpeng Zhou et al presented an improved BASALSFSVM classification algorithm to separate gangue from coal, with separation accuracy reaching 98%Detection of Coal and Gangue Based on Improved YOLOv8 MDPI

Research on the Identification Mechanism of Coal
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 2022年12月1日 Coal gangue, a waste produced during coal mining, has been regarded as the largest source of industrial waste in China It is estimated that the production of 1 t coal generates 01–025 t coal gangue [1], and the total stockpile of coal gangue exceeds 6 billion tons in China [2], [3]The coal gangue not only occupies agricultural land in large areas but triggers Exploring calcined coal gangue fines as the total substitute of fly 2021年6月25日 Notably, coal gangue contains carbon, which can be used as a reductant in reduction roasting Therefore, based on the progress of previous research, we have proposed an innovative recycling of red mud through coroasting with coal gangue for separation and recycling of iron and aluminumInnovative utilization of red mud through coroasting with coal gangue 2023年10月26日 In order to find a better collector for the separation of carbon and kaolin from coal gangue flotation, and to explore the action mechanism of collectors, this paper selected 12 kinds of collectors for systematic comparison, including five nonpolar organics with different carbon chain lengths, and polar organic matters with double bonds, triple bonds, benzene, as Research on the Preparation of Kaolin from Coal Gangue by

Coal and Coal Gangue Separation Based on Computer Vision
A 4layer Levenberg Marquart BP Neural Network is designed to implement multifeature fusion in coal and coal gangue separation system framework based on video and has well performance on separation accuracy and its processing speed achieves realtime We consider the problem of automatically separating coal and coal gangue based on computer vision and design a coal Conventional coal gangue separation devices include spiral separation equipment, a heavy medium shallow trough separator, and a TBS interference bed separator (Dong 2017) Several separators, which essentially enable the preliminary separation of coal gangue, have been applied in all the major coal minesA review of intelligent coal gangue separation technology and 2023年2月20日 Computervisionbased separation methods for coal gangue face challenges due to the harsh environmental conditions in the mines, leading to the reduction of separation accuracy So, rather than purely depending on the image features to distinguish the coal gangue, it is meaningful to utilize fixed coal characteristics like density This study achieves the Coal Gangue Classification Based on the Feature Extraction of the 2024年3月11日 Although the calcinationbased activation of coal gangue is important for its valorization in the form of cementitious materials, the related works mainly focus on highquality coal gangue, neglecting its lowquality counterpart To bridge this gap, we herein conducted the pilotscale suspension calcination of lowquality coal gangue; explored the effects of Activation of LowQuality Coal Gangue Using Suspension MDPI

Coal gangue separation system based on density measurement
2012年8月20日 Coal gangue separation is an essential part of the development and utilization of coal A method of separating gangue from coal based on the density by calculating volume and weight of the ores which is measured by the designed equipment was given in this paper The working principle of the separation method was described firstly, then the system composition 2016年2月26日 Ore sorting is a useful tool to remove gangue material from the ore and increase the quality of the ore The vast developments in the area of artificial intelligence allow fast processing of fullcolor digital images for the preferred investigations The associated gangue minerals from limestone and coal mines were identified using three different approaches All Novel Methods for Separation of Gangue from Limestone and Coal 2017年7月9日 Based on the separation and backfilling system of coal and gangue, the mineral material impact experiments were conducted utilizing the hardness difference between coal and gangue according to the uniaxial compression experiments The broken coal and gangue particles were collected and screened by different size meshes The particle size distributions of coal Particle size distribution of coal and gangue after impactcrush separation2024年7月17日 Utilizing the designed prototype platform of the coal gangue separation system, experiments were conducted on coal flow containing 30% gangue The results indicate that, Design and application of coal gangue sorting system

Construction of intelligent visual coal and gangue separation
Due to the energy composition of China rich in coal, poor in oil and low in gas, coal will continue to be the main energy source in China for a long time In order to improve the intelligence level of coal mine and realize the efficient and clean utilization, coal and gangue sorting is the research focus of many experts and scholars At present, the construction of the intelligent visual coal 2012年5月1日 Coal gangue separation is an essential part of the development and utilization of coal A method of separating gangue from coal based on the density by calculating volume and weight of the ores Coal gangue separation system based on density measurement2023年5月25日 Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production []The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area []Heavy metals and harmful organic substances in Lowcarbon utilization of coal gangue under the carbon 2012年5月25日 The working principle of the separation method was described firstly, then the system composition of the separated system was introduced, and the main influence factors of theseparation accuracy were analyzed Coal gangue separation is an essential part of the development and utilization of coal A method of separating gangue from coal based on the Coal gangue separation system based on density measurement

Coal and Coal Gangue Separation Based on Computer Vision
Abstract: We consider the problem of automatically separating coal and coal gangue based on computer vision and design a coal and coal gangue separation system framework based on video Grayscale histogram, fractal dimension and energy value are extracted as ore features Then we design a 4layer Levenberg Marquart BP Neural Network to implement multifeature A coal mine gangue underground sorting collaborative insitu backfilling and mining system to achieve different target levels has been proposed,which mainly includes three different levels of underground coal gangue separation technolo gy,i e full particle separation,coal gangue separation and raw coal gangue discharge,and two aspects of Method of coal gangue separation and coordinated insitu 2023年11月6日 Recognition and separation of Coal/Gangue are important phases in the coal industries for many aspects This paper addressed the topic of Coal/Gangue recognition and built a new model called (CGR A review of intelligent coal gangue separation ResearchGate2013年4月2日 A novel underground device for separation of coal and gangue was introduced Mixed materials of coal and gangue from five coal mines were crushed and tested using five rotor speeds The results showed that separation of coal and gangue underground can be executed effectively under certain conditions: the greater the hardness difference between coal and Evaluation of an Underground Separation Device of Coal and Gangue

Spectral band selection and ANIMRGAN for highperformance
2024年4月2日 The separation of coal and gangue is a crucial step in the coal mining and selection process The use of MSI combined with ore sorting equipment for gangue separation can greatly improve mining 2024年11月1日 Coal gangue sorting and coal classification are critical aspects of the coal preparation process However, existing methods of manual selection, mechanical separation, and chemical analysis require a significant amount of labor and water and involve health hazardsClassification of coal gangue and identification of coal type based 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), Optimization Study of Coal Gangue Detection in Intelligent Coal 2021年12月1日 Compared to the traditional fluidized bed, gas–solid fluidized bed separator is used for segregate clean coal and gangue The object separation in the gas–solid fluidized bed is different from that in the wet dense medium separator Due to lack of relevant research, the detailed separation principle is necessary to explain about object Recent progress and potential challenges in coal upgrading via

Intelligent photoelectric identification of coal and gangue − A
2024年4月1日 DOI: 101016/jmeasurement2024 Corpus ID: ; Intelligent photoelectric identification of coal and gangue − A review @article{Yin2024IntelligentPI, title={Intelligent photoelectric identification of coal and gangue − A review}, author={Jianqiang Yin and Jinbo Zhu and Hongzheng Zhu and Gaochao Pan and Wenliang Zhu and Qiuyu Zeng and 2019年3月29日 ABSTRACT The separation of coal and gangue is an important aspect of coal production, which can improve coal quality, save energy, reduce consumption, and enable the rational use of resources At present, manual selection remains widely implemented, but the working environment is harsh, labour intensity is high, and efficiency is low With the continual Separation of gangue from coal based on supplementary texture 2024年5月11日 The presence of pyrite poses a significant impediment to the comprehensive utilization of coal gangue, which is a prevalent solid waste in industrial production However, the current efficacy of jig separation for pyrite in finegrade coal gangue remains unsatisfactory To investigate the influence of particle size distribution on the jig separation of pyrite in finegrade Study on the Influence of Particle Size Distribution on the Separation 2018年4月3日 ABSTRACT Utilizing the difference in hardness, coal and gangue can be separated by the impactcrush technology for utilization underground The influence of hardness and impact velocity on the crushratio difference of coal and gangue was studied using an impactcrush separator and was optimized using the orthogonal experiment method The equation of ImpactCrush Separation Characteristics of Coal and Gangue

Lightweight detection model for coal gangue identification based
2024年7月23日 Focusing on the issues of complex models, high computational cost, and low identification speed of existing coal gangue image identification object detection algorithms, an optimized YOLOv5s lightweight detection model for coal gangue is proposed Using ShuffleNetV2 as the backbone network, a convolution pooling module is used at the input end instead of the 2016年7月14日 Utilizing the difference in hardness, coal and gangue can be separated by the impactcrush technology for utilization underground The influence of hardness and impact velocity on the crushratio ImpactCrush Separation Characteristics of Coal and Gangue