2023年6月5日 Based on PGNAA technology, it can accurately and online detect the characteristic parameters of coal mines with complex components, and provide time-sensitive garbage characteristic parameters, including element
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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
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2024年7月17日 This paper presents a deep learning-based coal gangue sorting system for practical applications, enabling automatic and precise detection of gangue during the coal washing process, which is...
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2024年9月1日 This article reviews the current state of research on coal gangue sorting methods on the surface and underground, comparing their advantages and disadvantages, and
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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
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2023年5月24日 The first type is based on the physical characteristics of coal and gangue and includes methods such as heavy medium separation, crushing, and ray identification. The
More4 天之前 The sorting process of coal gangue is ... Sui, Y., Wang, H., Hao, S. Zhang, N. Image feature extraction and recognition model construction of coal and gangue based on image processing technology ...
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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
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It 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
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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, the sorting of coal from gangue was mainly done manually. This inefficient and costly way of sorting by hand also harmed workers’ health.
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On the basis of analyzing coal gangue’s chemical and mineral compositions, the structure change of coal gangue during the mechanical activation was investigated by XRD, FTIR, NMR, and the mechanical strength of the cement doped coal gangue with various specific surface area was tested. The experimental results indicate that, the lattice structure of metakaolin in coal
More2024年3月1日 The elimination of SO 2 pollutants from coal fired flue gas through using industrial solid waste as absorbent has received widespread attention. Herein, a novel process on SO 2 purification by employing coal gangue slurry is proposed for the first time. The effects of different operating variables on SO 2 absorption efficiency were studied, indicating that coal gangue
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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 mining.
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2023年5月24日 Although the use of image processing technology for coal gangue separation has made great progress, there are still some problems. For example, the use of support vector machine for coal gangue recognition requires artificial design features, which is greatly affected by human subjectivity.
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2023年6月5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
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processing technology Lei Zhang1,2, YiPing Sui2, HaoSheng Wang2, ShangKai Hao2 NingBo Zhang1 * Using image recognition technology to realize coal gangue recognition is one of the development
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2019年4月1日 Coal mining produces a lot of gangue. Here, the gangue refers to the solid waste discharged during the coal mining process and the coal washing process, including the gangue in roadway excavation process, the gangue collected from the roof, the bottom plate and the interlayer during the mining process, and the gangue selected during the coal washing process.
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2019年12月1日 The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, e.g., soil pollution, air pollution, and geologic hazards (Stracher and Taylor, 2004).The heat continues to accumulate during the accumulation process, which leads to spontaneous combustion with the oxidization of coal
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It 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
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NLMK Group gangue processing - the new methods of processing transporting and storing tailings, description results Allow cookies to view content pin-symbols
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In this paper, an image processing and recognition system of the coal and gangue has been studied. We adopt digital video processing technology of high performance---DaVinci technology to design the system, which is made up by the chip DM6437 and some peripheral auxiliary equipment. The system takes advantage of the high performance of the chip to
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2017年12月3日 We designed a gangue sorting system,and built a convolutional neural network model based on AlexNet. Data enhancement and transfer learning are used to solve the problem which the convolution neural network has insufficient training data in the training stage. An object detection and region clipping algorithm is proposed to adjust the training image data to the
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Coal gangue, which is mainly composed of feldspar and other minerals, has low potential activity and needs to be processed by a gangue grinding machine to improve its activity. As a manufacturer of coal gangue grinding mill, today Guilin Hongcheng will introduce to you the technology of coal gangue processing and building materials. 1.
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2021年1月2日 1. Introduction. Separation of coal and gangue is the key to efficient and clean utilization of coal [1].In this context, mineral sorting technology based on computer vision has been the focus of research in recent years [2].The use of image processing to recognize coal and gangue is safer and more convenient than traditional coal washing methods, since it does
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2024年2月23日 To address the issues of complex algorithm models, poor accuracy, and low real-time performance in the coal industry's coal gangue sorting, a lightweight real-time detection method called YOLOv8s-GSC is proposed based on the characteristics of coal gangue. This method incorporates the ghost module into the YOLOv8s backbone network to reduce the
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Using image recognition technology to realize coal gangue recognition is one of the development directions of intelligent fully mechanized caving mining. 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 proposed, and the corresponding coal gangue
MoreOn the basis of analyzing coal gangue’s chemical and mineral compositions, the structure change of coal gangue during the mechanical activation was investigated by XRD, FTIR, NMR, and the mechanical strength of the cement doped coal gangue with various specific surface area was tested. The experimental results indicate that, the lattice structure of metakaolin in coal
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