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coal gangue processing equipment
Comprehensive utilization and environmental risks of coal
The amount of coal gangue, a by-product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption. The accumulated coal This paper presents a coal and gangue separating robot system based on computer vision, proposes a convolutional neural Coal and Gangue Separating Robot System Based on
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A review of coal gangue identification research Springer
The methods developed and studied over the last 20 years, such as gamma identification, acoustic identification, radar detection, vibration technology, image Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally Sensors Free Full-Text Research on Recognition of Coal and
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Carbon Footprint Analysis of Coal Gangue in Geotechnical
Coal Gangue as a Civil Engineering Material. Coal gangue is an enormous by-product in coal mines obtained in the form of cobble-sized particles along In this study, we analyze the permeability characteristics of coal gangue filler through a set of homemade percolation test systems and introduce fractal Study on mechanical properties of coal gangue and fly ash
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Technology and engineering test of filling goaf with coal gangue
The ratio of gangue slurry is coal gangue to mine water = 7:3, and the mass fraction of gangue slurry is 70%. The grouting pump used in this experiment is a 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 gangue photoelectric separation, which is critical for the long-term growth of coal mines. In this paper, the X-ray absorption fine Processes Free Full-Text Gangue Source Reduction Technology
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Target Recognition of Coal and Gangue Based on
Coal and gangue sorting plays an important role in improving the quality of raw coal and avoiding the harm of gangue incineration on the environment . Traditional methods for identifying coal Many data-driven coal gangue recognition Yu B, Kang H, Wang G, Mao D, Liang Y and Jiang P 2015 Key technologies and equipment for a fully mechanized top-coal caving operation with a large mining height at ultra-thick coal seams Int. J. Coal Sci. Technol. 2 97–161. Go to On Signal Processing Proc. (IEEE) 2509–13. Go toCoal gangue recognition using multichannel auditory
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An adaptive focused target feature fusion network for detection of
In the process of conveying raw coal to the surface on conveyor belts, the raw coal is generally blended with foreign bodies, such as large pieces of gangue and damaged bolts, which can affect the quality of mined coal, damage the transportation equipment and even jam the coal conduit, seriously reducing the coal conveying Coal gangue recognition methods that are based on image processing are relatively novel with simple recognition steps, relatively cheap equipment, and high security; hence, they are currently theSeparating coal and gangue using three-dimensional laser scanning
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Research on coal gangue classification recognition method
Coal is currently one of the important industries in China’s primary energy industry, and with the rapid development of the national economy and science and technology, the efficient and clean production of coal mines is the focus of coal mine development [].To get the purer coal, the gangue generated along with the coal needs Eco-gelled coal gangue materials (EGDXNs) are usually produced using coal gangue, slag, and fly ash in a highly alkaline environment. Herein, to improve the mechanical properties of such materials, polypropylene fibers were uniformly mixed with them. An unconfined compressive strength test and a three-point bending test of the fiber Polymers Free Full-Text Study on Mechanical Properties and
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Minerals Free Full-Text Coal Gangue Recognition during Coal
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 Coal gangue is a kind of industrial waste in the coal mine preparation process. Compared to conventional manual or machine-based separation technology, vision-based methods and robotic grasping are superior in cost and maintenance. However, the existing methods may have a poor recognition accuracy problem in diverse Coal and Gangue Recognition Method Based on Local Texture
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Coal gangue recognition based on spectral imaging combined
The identification of coal gangue is of great significance for its intelligent separation. To overcome the interference of visible light, we propose coal gangue recognition based on multispectral imaging and Extreme Gradient Boosting (XGBoost). The data acquisition system is built in the laboratory, and 280 groups of spectral data of coal Abstract: Online sorting robots based on image recognition are key pieces of equipment for the intelligent washing of coal mines. In this paper, a Delta-type, coal gangue sorting, parallel robot is designed to automatically identify and sort scattered coal and gangue on conveyor belts by configuring the image recognition system.Image positioning and identification method and system for coal
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Fast identification model for coal and gangue based on the
An improved tiny-YOLO-v3-based fast identification model is proposed in this paper, which including the spatial pyramid pooling (SPP) net, the squeeze-and-excitation (SE) module and the dilated convolution is used to further optimize and realize the fast identification of coal and gangue. In the process of coal mining, the coal quality is Online intelligent recognition of coal and gangue is an important aspect of coal mine intelligent development. Current research focuses more on improving recognition accuracy through optimizing image processing algorithms, but there is limited research on the characteristics of coal gangue materials themselves, particularly the comparative Multi-scale coal and gangue dual-energy X-ray image concave
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How to Recycle and Process Coal Gangue: 7 Effective Ways
1 Coal gangue is crushed by a jaw crusher and ground by a ball mill. Raw materials are screened using a 100-mesh vibrating screen . 2 Mix raw materials (55% coal gangue and 45% iron tailings) to make particles with a diameter of 10-20 mm. 3 Put the formed CGC into a dryer, heat to 105°C, and dry for 1-2 hours.of gangue. The main objective of this study is not to discuss weigh-in-motion technology, as this is widely applied, rather to investigate the question of how to measure the volume of an object. 2. Experiment 2.1. Experimental equipment The coal gangue photoelectric separation system that was used in this study is shown in Fig. 1.Separating coal and gangue using three-dimensional laser scanning
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Applied Sciences Free Full-Text Research on Coal and Gangue
In response to the multiscale shape of coal and gangue in actual production conditions, existing coal separation methods are inefficient in recognizing coal and gangue, causing environmental pollution and other problems. Combining image data preprocessing and deep learning techniques, this paper presents an improved In this study, dynamic compaction method was used to treat the gangue hill of the Xinglongzhuang coal mine in China, and the deep compaction of deep coal gangue was examined. The crushing characteristics and improving depth of coal gangue filling under different dynamic compaction conditions were determined. Dynamic Field study on the improvement of coal gangue filling using
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Research on Coal Gangue Recognition Based on Multi-source
The over-exploitation of resources caused by the increasing coal demand has resulted in a sharp increase in solid waste emissions mainly gangue, which has made the burden on the environment, economy, resources, and society of our country heavier. In order to achieve a balance between energy consumption and solid waste emission in the 2. Overall Scheme of the Coal Gangue Sorting Robot In this paper, a Delta-type, coal gangue sorting, parallel robot is designed to automatically identify and sort the scattered coal and gangue on the conveyor belt by configuring the image recognition system. Coal and gangue belong to two-dimensional plane object recognition on the conveyor belt,Study on Comprehensive Calibration and Image Sieving for Coal-Gangue
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A fast recognition method for coal gangue image processing
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 requirements
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