coal gangue seperation
Sensors | Free Full-Text | Coal and Gangue Separating ...
2021-2-14 · 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 [].Therefore, it is essential to separate coal and gangue to make them play their respective roles [2,3].As an important part of the coal industry, coal
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Separating coal and gangue using three-dimensional laser ...
2017-12-10 · Separation of coal and gangue. 3D laser scanning technology. Laser triangulation method. Laser beam segment. 1. Introduction. 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 ...
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Separation Of Gangue From Coal Based On Histogram ...
2013-11-25 · Coal gangue is residual abandoned coal, produced after the pre-processing 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
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Separation of aluminum and silica from coal gangue by ...
2015-5-1 · Coal gangue is regarded as a potential source of aluminum and silicon. The predominant minerals in coal gangue are kaolinite and boehmite, and it also contains particular carbon materials. Hydrochloric acid was used as a leaching agent to comprehensively investigate the acid leaching behaviors of aluminum, iron, and silicon in coal gangue.
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Coal and Coal Gangue Separation Based on Computer
2010-8-22 · 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 4-layer Levenberg Marquart BP Neural Network to implement multi-feature
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Impact-Crush Separation Characteristics of Coal and
2022-1-22 · The equation of the impact-crush separation characteristics of coal and gangue was obtained by means of a regression analysis of the experiment results. The results indicated that the crush-ratio ...
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Coal and Gangue Underground Pneumatic Separation
Coal and gangue underground pneumatic separation is of key importance for green mining. Two kinds of arrangement schemes for high-pressure value used in pneumatic separation system are proposed in this study. Pneumatic separation effects are examined under different arrangement of high-pressure value. Here, theoretical pneumatic separation distance formulas of mineral
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Coal Gangue Sorting System HXS Intelligent Dry Type
Coal gangue identification flowchart. Technical features ※ Wide processing size range: It can handle 30- 600mm raw coal. The upper limit of separation is 600mm and the lower limit is 30mm. ※ High separation accuracy: The rate of gangue removing is over 95%, the rate of coal in gangue is less than 2%, and the separation effect is significant.
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Novel Methods for Separation of Gangue from Limestone
2016-2-26 · 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 full-color digital images for the preferred investigations. The associated gangue minerals from limestone and coal mines were identified using three different approaches. All the methods
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煤矿矸石井下分选协同原位充填开采方法
2020-3-11 · Method of coal gangue separation and coordinated in－situ backfill mining ZHANG Jixiong 1，2 ，JU Feng 3 ，LI Meng 1，2 ，ZHOU Nan 1，2 ，ZHANG Qiang 1，2 (1．School of Mines，China University of Mining and Technology，Xuzhou 221116，China;2．State Key Laboratory of Coal Resources and Safe Mining，Xuzhou
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Coal and Gangue Separating Robot System Based on
In coal production, the raw coal contains a large amount of gangue, which affects the quality of coal and pollutes the environment. Separating coal and gangue can improve coal quality, save energy, and reduce consumption and make rational use of resources. The separated gangue can also be reused. Ro
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Coal gangue separation system based on density
2012-5-27 · 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 of the
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Separating coal and gangue using three-dimensional laser ...
Wang et al. proposed a new method of coal-gangue separation based on laser triangulation and weight, using three-dimensional laser scanning technology
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Impact-Crush Separation Characteristics of Coal and
2022-1-22 · The equation of the impact-crush separation characteristics of coal and gangue was obtained by means of a regression analysis of the experiment results. The results indicated that the crush-ratio ...
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The Research of Coal Gangue Identification and Separation ...
The Research of Coal Gangue Identification and Separation Technique Based on Image Processing TechnologyCN 谭春超 太原理工大学
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Coal and Gangue Underground Pneumatic Separation
Coal and gangue underground pneumatic separation is of key importance for green mining. Two kinds of arrangement schemes for high-pressure value used in pneumatic separation system are proposed in this study. Pneumatic separation effects are examined under different arrangement of high-pressure value. Here, theoretical pneumatic separation distance formulas of mineral
Read More
Design of coal gangue online identification and separation ...
2020-10-6 · A new on-line identification and automatic sorting system of coal and gangue is designed by integrating embedded technology and fieldbus technology. On line identification and automatic separation system of coal gangue. The principle block diagram of coal block and gangue online identification and automatic separation system is shown in Fig. 1.
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Coal Gangue Sorting System HXS Intelligent Dry Type
Coal gangue identification flowchart. Technical features ※ Wide processing size range: It can handle 30- 600mm raw coal. The upper limit of separation is 600mm and the lower limit is 30mm. ※ High separation accuracy: The rate of gangue removing is over 95%, the rate of coal in gangue is less than 2%, and the separation effect is significant.
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On the Equivalent Position Workspace for a Coal Gangue ...
2019-7-1 · Coal gangue separation is of key important for green mining. Robotic separation of coal and gangue based on the machine vision system, which is called a coal gangue picking robot with a gangue grab driven by four cables, is developed in this study. Here, this paper focuses on the equivalent position workspace, within which a coal gangue picking ...
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煤矿矸石井下分选协同原位充填开采方法
2020-3-11 · Method of coal gangue separation and coordinated in－situ backfill mining ZHANG Jixiong 1，2 ，JU Feng 3 ，LI Meng 1，2 ，ZHOU Nan 1，2 ，ZHANG Qiang 1，2 (1．School of Mines，China University of Mining and Technology，Xuzhou 221116，China;2．State Key Laboratory of Coal Resources and Safe Mining，Xuzhou
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Coal and Gangue Separating Robot System Based on
In coal production, the raw coal contains a large amount of gangue, which affects the quality of coal and pollutes the environment. Separating coal and gangue can improve coal quality, save energy, and reduce consumption and make rational use of resources. The separated gangue can also be reused. Ro
Read More
Coal gangue separation system based on density ...
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 the ...
Read More
Coal and Gangue Separating Robot System Based on
2021-2-14 · 1. Introduction. 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 [].Therefore, it is essential to separate coal and gangue to make them play their respective roles [2,3].As an important part of the coal industry,
Read More
CiteSeerX — Separation Of Gangue From Coal Based On ...
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): ABSTRACT: Coal gangue is residual abandoned coal, produced after the pre-processing 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
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The Research of Coal Gangue Identification and Separation ...
The Research of Coal Gangue Identification and Separation Technique Based on Image Processing TechnologyCN 谭春超 太原理工大学
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Study on Crushing and Separation of Coal and Gangue ...
In this paper, the pressurization of irregular ores was first discussed so as to make an analysis on the causes for the great difference between measured result and actual ores, and then a preliminary pressure experiment was made on a certain quantity of coal and gangue samples extracted from Du'erping Coal Mine through electronic universal testing machine.
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Design of coal gangue online identification and separation ...
2020-10-6 · A new on-line identification and automatic sorting system of coal and gangue is designed by integrating embedded technology and fieldbus technology. On line identification and automatic separation system of coal gangue. The principle block diagram of coal block and gangue online identification and automatic separation system is shown in Fig. 1.
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Impactive crushing and separation experiment of coal and ...
2011-4-15 · The influence of relative difference of hardness of coal and gangueimpact speed and impact frequency of materials on the rate of lost coal and rate of mixed gangue was researched by orthogonal method using impactive crushing and separation machine.Regression analysis and variance analysis were taken on the experimental result.The result shows that the rate of lost
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Extraction of Coal and Gangue Geometric Features with ...
2019-7-11 · coal–gangue separation system with computer vision, in which industry cameras and computers are used to identify whether the object is coal or gangue through the pattern recognition technology. Ma et al. proposed the coal gangue on-line recognition and automation selection system with digital image processing technology [4].
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Extraction of alumina from alumina rich coal gangue by a ...
2020-4-29 · Coal gangue is an industrial solid waste produced by coal mining and processing [1–3]. The average production of gangue accounts for 10–15% of raw coal production [4,5], making coal gangue one of the biggest solid wastes in China. At present, utilization ratio of coal gangue can reach about 60% in some countries.
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