coal gangue processing technology coal gangue processing technology coal gangue processing technology

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 2022年12月5日  Aiming at the problem of low accuracy of coal gangue recognition in fully mechanized caving mining, the extraction method of Coal and gangue images features is Image feature extraction and recognition model construction of 2024年9月1日  Intelligent coal gangue sorting technology aiming to achieve more accurate and efficient sorting, using of highprecision sensors, image recognition technology, and machine Research and prospect of underground intelligent coal gangue 2023年5月24日  This paper proposes a modified YOLOv4 model, named GYOLO, for coal gangue recognition with the aim of reducing model parameters, improving calculation speed, A fast recognition method for coal gangue image processing

Automatic Separation System of Coal Gangue Based on DSP and

The system investigated the fundamental characteristics of coal images and gangue images on the basis of digital image processing technology Median filter, edge extraction and grayscale 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 natureResearch on Recognition of Coal and Gangue Based on 2023年8月14日  In order to deeply study the basic characteristics, diffusion laws, and flow laws of coal gangue and coal gangue slurry, the basic characteristic parameters of coal gangue and Diffusion law of coal gangue slurry and the application of fluidized 2024年9月7日  The raw coal gangue requires appropriate modification to improve its performance, activate its beneficial ingredients, enhance its water and fertilizer retention, and Opportunities, challenges and modification methods of coal

A review of coal gangue identification research—application to

2022年12月26日  Automated coal gangue identification technology is at the core of the top coal release process, but it also improves the coal release recovery rate of difficult locations and is 2021年9月8日  At present, coal gangue sorting technology based on machine learning is widely used Finally, it presents different processing signals for the identified coal and gangue With the proposed detection method, an Coal gangue detection and recognition algorithm 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 Coal Gangue: Composition, Processing, Use And

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 At present, the production technology of coal gangue sintered brick and hollow brick is 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 Comprehensive utilization and environmental risks of coal gangueCoal gangue is one of the largest mine solid wastes in China, and its discharge and stockpiling have caused resource waste, Calcined coal gangue and coal fly ash[J] Fuel Processing Technology, 2018, 181: 7590 doi: 101016/jfuproc201809013 CrossRef Google ScholarResearch Progress on Comprehensive Utilization of Coal Gangue2024年9月7日  However, a substantial amount of coal gangue was generated and discharged during the coal mining, washing and processing processes 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 production of coal gangue was conservatively estimated based Opportunities, challenges and modification methods of coal gangue

Image feature extraction and recognition model construction of coal

2022年12月5日  Using image recognition technology to realize coal gangue recognition is one of the development directions of intelligent fully mechanized caving mining2023年8月14日  As the main solid waste in the process of coal mining and processing, coal gangue is increasing year by year with N et al Present situation and prospect of coal gangue treatment technology Diffusion law of coal gangue slurry and the application of 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 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 processing, the visual differences between the coal and gangue are analysed, and the supplementary texture is extracted based on morphologySeparation of gangue from coal based on supplementary texture

Gangue Source Reduction Technology and Process

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 2022年11月30日  In order to truly realize the development of intelligent coal gangue recognition technology, the methods that can be applied to practical work should be explored from the aspects of coal gangue characteristics, signal processing methods and recognition algorithmsResearch on coal gangue recognition based on multilayer time 2023年2月26日  With the development of image processing technology and machine learning, coal gangue identification methods have shifted their focus onto coal gangue image recognition Wang, Li, and Yang [ 12 ] investigated coal gangue response characteristics under different illuminations and used a SVM classifier to realize the identification of coal and gangueCoal Gangue Recognition during Coal Preparation Using an At present, the automation technology of coal caving is restricted by the development of coal gangue idenion t icat hnce t ology 7 Researchers have been looking for scientic means to realize Image feature extraction and recognition model construction of coal

Review of Coal Gangue Characteristics and Ecological Restoration

2021年5月1日  Coal gangue has become one of the industrial wastes with the largest annual discharge and accumulated stock in China The disorderly accumulation of coal gangue not only occupies a large amount of land resources and causes natural disasters, but also pollutes the surrounding ecological environment, which in turn affects human health and normal production 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 2019年12月1日  Coal gangue has been applied in building material, Due to the immature technology, high cost and lowquality products, the competitiveness of Conclusions The production of coal gangue will rise considerably as the rapid increase of energy demand, indicating a considerable opportunity for the use of coal prehensive utilization and environmental risks of coal gangue: A 2023年5月26日  Coal gangue is a solid waste discharged in coal mining and dressing process Largescale decarbonization and activation treatment are key steps toward massive and efficient utilization of coal gangue In this paper, a new process for the preparation of a cement admixture from coal gangue by effectively utilizing its calorific value was developed The mineral Investigation on activation technology of selfheating

Coal and Gangue Classification Based on LaserInduced

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 2024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 onIt is important to separate coal gangue from lump coal during the production of coal mine The system investigated the fundamental characteristics of coal images and gangue images on the basis of digital image processing technology Median filter, edge extraction and grayscale comparison of coal images and gangue images were successively carried out by the Automatic Separation System of Coal Gangue Based on DSP and 2024年4月1日  A lightweight coal gangue detection method based on multispectral imaging and enhanced YOLOv8n Author links open overlay panel Pengcheng Yan a b c, Wenchang Wang b, Research progress and directions in coal gangue identification technology based on image processing Modern Mining (2021), 103969/jissn16746082202111054A lightweight coal gangue detection method based on

Research progress and key technologies of intelligent coalgangue

The gangue is wrapped by slurry in underground coal mine, which causes difficult coalgangue recognition and sorting The underground working space is narrow, so the equipment layout is difficult, and the diversion of coalgangue is difficult Therefore, developing a highperformance, highly reliable intelligent coalgangue sorting robot is necessary The paper analyzes the 2023年11月23日  This paper expounds on the technological process of technology of filling goaf with coal gangue slurry, establishes three types of slurry filling systems, such as centralized ground layout, Technology and engineering test of filling goaf with coal gangue 2021年7月28日  Coal gangue occupies large Data processing The research was supported by the National Key RD Program of China “Ecosecurity technology for coal mining bases in the Influence of coal gangue mulching with various thicknesses and 2023年1月30日  DOI: 104028/p1096p6 Corpus ID: ; Study on the Technology of Preparing Ceramsite from Coal Gangue @article{Zhang2023StudyOT, title={Study on the Technology of Preparing Ceramsite from Coal Gangue}, author={Dong Liang Zhang and Yue Liu and Jie Guang Song and Hongbo Wen and Rong Gang Huang and Zhen Kai Li and Xingmei Study on the Technology of Preparing Ceramsite from Coal 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 2023年8月14日  To solve the problem of gangue discharge in coal mining, fluidized gangue filling technology was developed The key scientific problem of this technology is the diffusion characteristics of the (PDF) Diffusion law of coal gangue slurry and the application of 2024年2月1日  All the CGs in the figure are dried in an oven at 60 °C and ground CG1 is Hebei coal gangue, which comes from a coal gangue processing plant in Xingtai, Hebei Province It is brownish black powder after drying and grinding CG2 is Shanxi coal gangue, from Shanxi Geology Group Co, LtdRepresentative coal gangue in China: Physical and chemical DOI: 101038/s41598022254965 Corpus ID: ; Image feature extraction and recognition model construction of coal and gangue based on image processing technology @article{Zhang2022ImageFE, title={Image feature extraction and recognition model construction of coal and gangue based on image processing technology}, author={Lei Zhang and Yiping Image feature extraction and recognition model construction of coal

Present situation and prospect of coal gangue treatment technology

Request PDF On Aug 2, 2022, Nan Zhou published Present situation and prospect of coal gangue treatment technology Find, read and cite all the research you need on ResearchGate2020年2月5日  To gauge the feasibility of using coal gangue for geotechnical and geoenvironmental applications, Coal gangue is a residue produced in the mineral processing and washing stage of coal mining National Institute of Technology, Warangal, , India Mohammed Ashfaq, Mudavath Heeralal Arif Ali Baig MoghalCharacterization studies on coal gangue for sustainable geotechnicsCoal Production and Processing Technology provides uniquely comprehensive coverage of the latest coal technologies used in everything from mining to greenhouse gas mitigation Featuring contributions from experts in industry and academia, this book:Discusses coal geology, characterization, beneficiation, combustion, coking, gasification, and liquefCoal Production and Processing Technology MR Riazi, 2021年11月23日  a method for coal and gangue to carry out image processing by median filter, edge extraction and grayscale comparison Li et al ( 2020 ) carried out particle analysis of coalRecognition and sorting of coal and gangue based on image

Separating coal and gangue using threedimensional laser scanning

2017年12月10日  Gangue minerals accounts for between 15% and 20% of raw coal in China (Qian et al, 2007)Indeed, as coal production has increased, so has gangue generation; by the end of 2009, the total amount of gangue produced added up to 50 × 10 9 t, encompassing 40% of the total Chinese solid waste (Miao and Qian, 2009)The accumulation of coal gangue not Coal gangue is residual abandoned coal, produced after the preprocessing steps of mining It is an amalgam of several unwanted substances It is important to separate coal gangue from lump coal before fed to thermal power plants In this paper, investigation on the fundamental characteristics of coal images and gangue images with digital image processing technology is Separation Of Gangue From Coal Based On Histogram Thresholdingcoal technology and vigorously developing coal washing and processing in the coal mining sector are essential to achieve a raw coal selection rate of more than 75% by 2020 (Du 2017) According to the China Coal Industry Policy, newly built large andA review of intelligent coal gangue separation technology and slurryDiffusion law of coal gangue slurry and the application of

Investigation on activation technology of selfheating

coal gangue in China, leaving the problem of the large coal gangue stockpile unresolved Thus, it is of the utmost importance to develop an effective technology to use coal gangue resources efficiently The activation of coal gangue mainly includes

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