Feature extraction method CNDFA for target contour of coal and gangue based on multifractal Na Li Feature extraction Data modeling Image classification Optimization mathematics Particle swarm optimization Convolutional neural networks Image filtering Performance modeling
Get PriceThe deformation of filling gangue during the 0 100 kN loading stage was an approximately positive S type which reflects the relative advancement in terms of deformation The filling gangue deformation in the 100 500 kN loading stage was an approximately inverted S type which reflects the relative lag in terms of deformation
Get PriceAt present the intelligent gangue sorting system has gained more and more attention the general structure is shown in Fig the identification unit the intelligent algorithm is used to identify the coal and gangue which provides the precondition for the classification of subsequent execution units
Get PriceCoal gangue is one of the largest industrial residues It has high ash content low carbonaceous content and heating value Meanwhile it has some trace elements Large quantities of coal gangue cause serious environmental problems by polluting the air water and soil as well as occupying a tremendous amount of land Now coal gangue utilization is a matter of great concern and has attracted
Get Price4 Economic Geology Ore ore mineral and gangue tenor of ore Classification of ore deposits Processes of formation of mineral deposits Controls of ore localisation Ore texures and structures Metallogenic epochs and provinces Geology of the important Indian deposits of aluminium chromium copper gold iron lead
Get PriceThe most common copper oxide minerals are malachite and azurite followed by chrysocolla and cuprite although copper sulfate and other soluble salts are sometimes encountered Copper sulfide Copper sulfur ore is a common ore type in copper sulfide ore and chalcopyrite and pyrite are typical sulfide minerals in copper sulfur ore
Get PriceCoal and gangue identification method based on the intensity image of lidar and DenseNet Coal and gangue identification method based on the intensity image of lidar and DenseNet doi / Authors Jichuan Xing Zimo Zhao Yaozhi Wang Liang Nie Xian Du PMID 34612897 DOI /
Get PriceThe results showed that the metal concentrations dissolved out and the release rate from coal gangue were not only related to the pH value of leachate but also related to the element concentrations in coal gangues The concentrations of Cr Mn Cu Zn Pb and Cd in the filter water and collected rainwater were beyond the limits in the
Get PriceGangue minerals once separated by mineral dressing processes of most of the valuable ore minerals and dumped in mine tailings may be a significant environmental impact In particular oxidation of pyrite a common gangue mineral is one of the main sources of acid mine drainage Re use Minerals that were once thought of as gangue and were dumped may later find a commercial use
Get PriceWilfley Table is used to separate for grinding materials of about 500 mesh is particularly used in mining industries for separation of coal from other materials like copper ores or some other materials It is also used in industries for separation of bagasse fibre nuts woodchips etc
Get PriceIn coal gangue separation technology [ 8 9 ] in addition to the manual sorting method the technology of automatic separation can be further divided into wet selection and dry separation based on the use of water resources Wet selection of gangue mainly includes moving sieve jigging and heavy media separation of the gangue and so on
Get PriceCoal Gangue Classification/ Go to file Cannot retrieve contributors at this time 138 lines 117 sloc KB Raw Blame # import numpy import torch import torch nn as nn import torch optim as optim import matplotlib pyplot as plt from torch utils data import dataset from torchvision import transforms datasets
Get PriceBased on the YOLOv3detection algorithm Gui et al [ 32] established a deformable convolution YOLOv3 network model to solve the problem of coal gangue detection and identification by means of deformable convolution the multi k means clustering result averaging method and data enhancement technology
Get Pricecoal gangue is a rock mixed with organic and inorganic compounds co deposited with coal during coal in a thin layer and in the coal seam or in the top of the coal seam the bottom of the coal the perspective of coal mining domestic coal mines produce billion tons of coal billion tons of coal and …
Get Price: This study aimed at providing a reference for the exploitation of mineral resources sustainable utilization of land resource and restoration and reconstruction of the ecological environment in a coal mining subsidence dynamic change of the landscape spatial pattern and its driving mechanism in Linhuan mining area in Huaibei City Anhui Province was analyzed by adopting IKONOS
Get Price32 by hard coal mines as only negative and the extension of environmental reports to include costs 33 incurred inter alia for preventive measures and the use of questionnaire surveys as a method 34 of measuring employees awareness of environmental costs was proposed
Get PriceUsing Chinese Coal Gangue as an Ecological Aggregate and Its Modification A Review Using Chinese Coal Gangue as an Ecological Aggregate and Its Modification A Review Materials Basel 2024 Jun 26 15 13 4495 doi /ma15134495 Authors Ying Hao 1 Xiaoning Guo 1 Xianhua Yao 1 2 Ruicong Han 1 Lielie Li 1 Min Zhang 1 Affiliations
Get PriceHigh pressure mill is mainly suitable for process various non flammable Meanwhile it s an optimum equipment for processing Quartz feldspar calcite limestone talc ceramics marble granite dolomite bauxite iron ore and barite bentonite gangue Fineness of final products should range from to
Get PriceA classification and identification method for coal gangue and coal in coal comprises the following steps collecting images of coal gangue as a training sample set 1 and labeling the images as coal gangue and collecting images of coal as a training sample set 2 and labeling the images as coal extracting a coal gangue main body part in the training sample set 1 and a coal main body part in
Get PriceBecause of the high organic carbon concentration in carbonaceous shale a large proportion of carbonaceous shales are often misclassified into coals using visible and near infrared VIS NIR reflectance spectroscopy in the field of coal gangue identification of hyperspectral remote sensing of coal mine
Get PriceThe evolution of coal gangue CG calcium hydroxide CH gypsum H 2 O system Author SHI TAO 1 XU Bi Wan 2 SHI Hui Sheng 2 [1] School of Material Science and Engineering Southeast University Nanjing 211189 China [2] Tongji University Shanghai China Source
Get PriceDownload Citation Classification Method of Coal and Gangue Using Terahertz Time Domain Spectroscopy Cluster Analysis and Principal Component Analysis The process of coal mining generates high
Get PriceCoal Gangue Sorting System—HXS Intelligent Dry Type Separator News MES is a leading provider of mining mineral processing plant coal washing plant and ore mineral process equipment and one stop solution for mining ore mineral processing coal washing and materials handling Selected Mining Equipment Manufacturer Contractors Site map
Get PriceDOI / Corpus ID 253071460 Study on coal and gangue recognition method based on the combination of X ray transmission and diffraction principle article{Zhao2022StudyOC title={Study on coal and gangue recognition method based on the combination of X ray transmission and diffraction principle} author={Yanqiu Zhao and Shuang Wang and Gang Cheng and Lei He
Get PriceLi et al Li et al 2024 developed a set of coal gangue imaging systems based on visible and near infrared hyperspe ctral imaging technology and used the feature selection m ethod to simplify the classification model providing a reference for construction of coal and coal gangue mu ltispectral systems
Get PriceThe invention belongs to the technical field of image recognition and particularly relates to a coal gangue automatic recognition method based on MobileNet which comprises the following steps and 3 data set construction constructing by adopting a coal gangue picture and a coal picture and enabling the model to fully learn the characteristics of a positive case and a negative case and
Get PriceThe process of coal mining generates high amounts of coal gangue Accordingly coal gangue separation is a key problem limiting coal production and quality Terahertz time domain spectroscopy was combined with multivariate statistical analyses to identify different kinds of coal and gangue
Get PriceFocusing on various problems in coal gangue detecting and recognising algorithms such as limited receptive field slow convergence rate and low accuracy of small particle recognition this paper proposes a coal gangue detection and recognition algorithm based on deformable convolution YOLOv3 DCN YOLOv3
Get Pricerenqi1 / Coal Gangue Classification Public Notifications Fork 0 Star 6 pytorch CNN 6 stars 0 forks Star Notifications Code Issues 0 Pull requests 0 Actions Projects 0 Security Insights renqi1/Coal Gangue Classification
Get PriceThe study focuses on the classification of coal and gangue via image analysis under multiple mixed conditions wherein four coal properties namely coarse coal with a dry clean surface a wet clean surface a dry surface covered by slime and a wet surface covered by slime are presented together
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