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  • Utilization of coal gangue for the production of

     · Coal gangue an industrial solid waste discarded from coal mining and processing was used as the sole raw material to prepare . The coal gangue was crushed homogenized milled and then pressed into green compacts. The dried compacts were sintered at different temperatures for 2 h. The obtained samples were characterized with X-ray diffraction scanning electron microscopy and

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  • Research on Basic Mechanical Properties and Fracture

     · Abstract. In order to study the freeze-thaw damage law of the basic mechanical properties and fracture performance of coal gangue concrete four kinds of coal gangue concrete specimens with different replacement rates of coal gangue coarse aggregate were designed and then the basic mechanical test and three-point bending loading were carried out under different times of the freeze

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  • Experimental Study on Dynamic Mechanical Properties of

    In order to study the static and dynamic mechanical characteristics of the coal gangue concrete used in the mine support structure the compressive strength test the drop weight impact test and the Split Hopkinson Pressure Bar (SHPB) test were conducted. The compressive strength initial and final impacting energy dynamic strength and failure characteristic of concrete were obtained of the

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  • Use of Coal Gangue in Machine

     · Gangue gangue machine mainly use coal gangue sa raw material and it also can use clay soil fly ash as raw materials to make bricks at the same time. Then after a certain production process the bricks are produced. Coal gangue machine are widely used in the industry.

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  • coal gangue briquette machine coal gangue

     · Coal series kaolinite also be named coal gangue there is a way that using coal gangue calcine kaolin at present calcined kaolin with high quality can be obtained In the process of preparation of coal gangue calcine kaolin it must use coal gangue gangue briquette machine to make briquettes the powdered coal gangue is transported to the hopper of coal gangue briquette machine through the

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  • Separating coal and gangue using three-dimensional laser

     · 1. Introduction. Gangue minerals accounts for between 15 and 20 of raw coal in China (Qian et al. 2007) deed as coal production has increased so has gangue generation by the end of 2009 the total amount of gangue produced added up to 5.0 10 9 t encompassing 40 of the total Chinese solid waste (Miao and Qian 2009).The accumulation of coal gangue not only takes up a

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  • Reutilisation of coal gangue and fly ash as underground

     · The coal gangue and fly ash used in the experiments were collected from a gangue dump and a power plant in the Coal Mine respectively. In practical applications due to the limitations of the backfill process and equipment only gangue with a particle size of 50 mm or less is generally used for backfill (Li et al. 2017 Li et al. 2017).

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  • China Coal Gangue Making MachineChina Coal

    China Coal Gangue Making Machine Find details about China Coal Gangue Making Machine Clay Machine from Coal Gangue Making MachineXi′an Brictec Engineering Co. Ltd.

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  • Synergic performance of low-kaolinite calcined coal gangue

    1. Introduction. Coal has been the primary energy source in China for decades .The annual production of coal in China alone reached 38 billion tons in 2015 accounting for about 47 of global production .For one ton of coal produced about 100–150 kg of coal gangue is generated from coal excavation mining and washing processes .Usually coal gangue is discharged on site (occupying 150 km 2

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  • Integrated green mining technology of "coal mining

     · Some scholars have researched machine vision recognition method image recognition method and coal gangue separation robot system for intelligent separation of coal and gangue (Xu et al. 2020 Li et al. 2020 Tripathy and Reddy 2016). At the end of the twentieth century relevant research teams in China started exploration and experimental

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  • Quantitative Inversion of Fixed Carbon Content in Coal

     · Since some coal gangue dumps are burning it is necessary to quickly solve the environmental problems caused by the gangue dumps as shown in Figure 1. Figure 1. Photo of coal gangue dumps being used in the Tiefa mining area. (a) Unburned coal gangue dump (b) burned coal gangue dump. Forty-two samples of carbonaceous gangue (Nos. 1.

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  • Reutilisation of coal gangue and fly ash as underground

     · The coal gangue and fly ash used in the experiments were collected from a gangue dump and a power plant in the Coal Mine respectively. In practical applications due to the limitations of the backfill process and equipment only gangue with a particle size of 50 mm or

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  • Separating coal and gangue using three-dimensional laser

     · 1. Introduction. Gangue minerals accounts for between 15 and 20 of raw coal in China (Qian et al. 2007) deed as coal production has increased so has gangue generation by the end of 2009 the total amount of gangue produced added up to 5.0 10 9 t encompassing 40 of the total Chinese solid waste (Miao and Qian 2009).The accumulation of coal gangue not only takes up a great volume

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  • Do You Know Coal Gangue Processing Machinesliajones

     · Do You Know Coal Gangue Processing Machines. The supply of coal gangue Coal gangue would be the common term of solid waste materials coming from coal mine construction coal production method widely typical in the construction development diving coal mining and coal washing process with exhaust carbon rock. Three aspects of coal gangue source.

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  • Do You Know Coal Gangue Processing Machinesliajones

     · Do You Know Coal Gangue Processing Machines. The supply of coal gangue Coal gangue would be the common term of solid waste materials coming from coal mine construction coal production method widely typical in the construction development diving coal mining and coal washing process with exhaust carbon rock. Three aspects of coal gangue source.

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  • Synergic performance of low-kaolinite calcined coal

    1. Introduction. Coal has been the primary energy source in China for decades .The annual production of coal in China alone reached 38 billion tons in 2015 accounting for about 47 of global production .For one ton of coal produced about 100–150 kg of coal gangue is generated from coal excavation mining and washing processes .Usually coal gangue is discharged on site (occupying 150 km 2

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  • Is the Coal Gangue Really UselessHongxing Machinery

     · Coal gangue is a mixture of various mineral rocks that is co-occurred with the coal seam during the production process of coal preparation plant. Generally speaking carbon clay rocks sandstone carbonate and aluminous rocks are the main components of coal gangue .

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  • Quantitative Inversion of Fixed Carbon Content in Coal

     · Since some coal gangue dumps are burning it is necessary to quickly solve the environmental problems caused by the gangue dumps as shown in Figure 1. Figure 1. Photo of coal gangue dumps being used in the Tiefa mining area. (a) Unburned coal gangue dump (b) burned coal gangue dump. Forty-two samples of carbonaceous gangue (Nos. 1.

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  • Cascade network for detection of coal and gangue in the

     · 1. Introduction. Separation of coal and gangue is the key to efficient and clean utilization of coal this context mineral sorting technology based on computer vision has been the focus of research in recent years .The use of image processing to recognize coal and gangue is safer and more convenient than traditional coal washing methods since it does not require complex equipment or

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  • Extraction of Coal and Gangue Geometric Features with

     · Ma et al. proposed the coal gangue on-line recognition and automation selection system with digital image processing technology 4 . Zheng et al. studied the pneumatic separation of coal and gangue based on the machine vision system 5 . Figure2shows a design of an automated coal–gangue separation system by using the computer vision

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  • How to Turn the Coal Gangue Into a TreasureHongxing

     · Recovery and utilization of coal gangue. Since the implementation of the coal gangue resource utilization project the coal gangue has been recycled nearly one million tons every year the coal gangue asphalt mixture has been more than 1.2 million tons and the saving natural sandstone resources have been up to 600 000 tons.

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  • Vibration Test of Single Coal Gangue Particle Directly

     · Abstract In order to realize the recognition of coal gangue in the top coal caving process a scheme of the coal gangue recognition based on the collision vibration signal between coal gangue and the metal plate is proposed in this paper a systematic and standardized impacting test between coal gangue particles and the metal plate is designed for the first time the vibration signal

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  • Integrated green mining technology of "coal mining-gangue

     · Some scholars have researched machine vision recognition method image recognition method and coal gangue separation robot system for intelligent separation of coal and gangue (Xu et al. 2020 Li et al. 2020 Tripathy and Reddy 2016). At the end of the twentieth century relevant research teams in China started exploration and experimental

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  • Reutilisation of coal gangue and fly ash as underground

     · The coal gangue and fly ash used in the experiments were collected from a gangue dump and a power plant in the Coal Mine respectively. In practical applications due to the limitations of the backfill process and equipment only gangue with a particle size of 50 mm or

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  • Coal-Gangue Interface Detection Based on Ensemble

     · Abstract To realize the unmanned automation of the full mechanized caving the bottleneck problem of coal-gangue interface detection in top coal caving must be solved first. Targeting coal-gangue interface detection on fully mechanized mining face an alternative scheme to detect coal-gangue interface based on vibration signal analysis of the tail boom support of the longwall mining machine.

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  • Image Processing Based on Gray Information in Sorting

     · Gangue sorting is an important part of coal production which is to choose gangues from coal blocks. In China hand sorting is adopted in the separation of large gangues and workers have great labor intensity and low production efficiency. The intelligent sorting system of coal gangue can be realized through automatic sorting technology based on machine vision and mechanical arms with

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  • China Coal Gangue Making MachineChina Coal Gangue

    China Coal Gangue Making Machine Find details about China Coal Gangue Making Machine Clay Machine from Coal Gangue Making MachineXi′an Brictec Engineering Co. Ltd.

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  • Coal gangue medium speed mill machine_Powder mill

     · Coal gangue is accompanied closely with the coal non-metallic mineral resources. The material is brittle hardness is relatively not high it is easy to achieve with a crusher mill machine grinding process simple and smooth is very suitable for the investment and management of the resource-rich regions of production projects.

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  • Design and development of a novel sliding friction and

     · Taking a 30 coal gangue as an example the percentage of coal gangue can be defined as follows for every 100 g of the abrasive coal accounted for 70 g and quartz sand accounted for 30 g

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  • Classification of coal and gangue under multiple surface

     · Coal and gangue classification is a key problem in automating the task of gangue picking during the preparation of coal. Four coal properties namely raw coal with a dry clean surface a wet clean surface a dry surface covered by slime and a wet surface covered by slime are frequently encountered in real situations.

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  • Design and development of a novel sliding friction and

     · Taking a 30 coal gangue as an example the percentage of coal gangue can be defined as follows for every 100 g of the abrasive coal accounted for 70 g and quartz sand accounted for 30 g

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  • Bingke Qin Yonghua Ji1 b Zhiling Bai1 c Youde Wang1 d

    Activated temperature of coal gangue and its effect on mechanical properties of cement mortar Bingke Qin1 2 a Yonghua Ji1 b Zhiling Bai1 c Youde Wang1 d 1 School of Chemistry and materials Engineering Liupanshui Normal University Liupanshui China 2 College of Materials and Metallurgy Guizhou University Guiyang China aqinbingke 126l bhaizhigong 126

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  • Intelligent Sorting System of Coal Gangue with Machine

     · Gangue sorting is an important part of coal production which is to choose gangues from coal blocks. At present most of the separation of large gangues is selected by hand selection in China. The labor intensity of the workers is large the production efficiency is low and the working environment is bad which seriously affects the physical and mental health of the workers. The automatic

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  • China Portable Hydraulic 800L Stones Coal Gangue

    China Portable Hydraulic 800L Stones Coal Gangue Concrete Mixer Mini 1.6 Ton Mixer for Foundation Engineering Find details about China Concrete Mixer Machine Construction Machinery from Portable Hydraulic 800L Stones Coal Gangue Concrete Mixer Mini 1.6 Ton Mixer for Foundation EngineeringSHANDONG HIGHWAY MACHINE CO. LTD.

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  • An Experimental Study of the Road Performance of

     · size distribution of coal gangue it was divided into four grades machine-made sand 4.75–9.5 mm 9.5–19 mm and 19–31.5 mm as shown in Figure3. Gemini300 field emission scanning electron microscope (manufacturer Carl Zeiss

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