
Coal gangue coal preparation machinery, energy saving and environmental protection

Comprehensive utilization and environmental risks of coal gangue:
2019年12月1日 Coal mining and energy production have significant impacts on the environment, jeopardizing the sustainable use of coal as the primary energy (Ribeiro et al, 2016) Coal This paper discusses significant developments of coal preparation industry in China The development direction of lowquality coal resources is also described, including the COAL PREPARATION TECHNOLOGY: STATUS AND DEVELOPMENT 2023年5月25日 By analyzing the carbon emission problems of coal gangue (such as its spontaneous combustion and pollution), carbon release during the main treatment and utilization direction of energy and building materials, and Lowcarbon utilization of coal gangue under the 2024年6月4日 Coal gangue preparation of composite thermal insulation block technology This technology adopts the EPS particle foaming process and makes coal gangue and shale into Characteristics of Coal Gangue and Present Situation and Prospect

Opportunities, challenges and modification methods of coal
2024年9月7日 This paper provided a comprehensive review of various modification methods (including mechanical, chemical, microbiological, thermal, hydrothermal and composite 2019年12月1日 This study delves into the influence of inherent minerals within coal gangue (CG) on the preparation and performance of coal gangue /polyethylene (CG/PE) composites, Comprehensive utilization and environmental risks of coal gangue: 2024年2月1日 The research results of life cycle method reveal the utilization prospect of CG products, systematically analyze the harmful characteristics of HMs in coal gangue and their Representative coal gangue in China: Physical and chemical 2022年4月6日 Among coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A The Sustainable Utilization of Coal Gangue in Geotechnical and

Environmental effects of coal gangue and its utilization: Energy
2016年11月1日 Coal gangue has accumulated huge coal gangue piles, occupying lots of land as well as having striking influence on the neighboring environmental effects This paper seeks a 2018年9月18日 3113 Control Effectiveness and Existing Problems 1 Control effectiveness China’s coal industry has done a lot of work in environmental protection and has made positive progress In terms of management scope, it is changed from focusing on key stateowned coal mines to the whole coal industry; in terms of management means, the administrative Analysis of Environmental Protection Constraint of Energy Development 2023年11月21日 The amount of coal gangue, a byproduct of coal mining and washing, is rapidly increasing with the growing trend of energy consumption The accumulated coal gangue without appropriate utilization Discussion on Comprehensive Utilization and Ecological 2020年11月23日 The separation of coal gangue from coal is of great significance for environmental protection and resourcesaving Therefore this article proposes an intelligent separation method for coal gangue based on multispectral imaging technology and object detection First a multispectral data acquisition system for coal and coal gangue is set up in Coal Gangue Detection Based on MultiSpectral Semantic

Environmental effects of coal gangue and its utilization: Energy
2016年11月1日 Coal gangue has accumulated huge coal gangue piles, occupying lots of land as well as having striking influence on the neighboring environmental effects This paper seeks a new way of coal gangue treatment in which the coal gangue blended with shale and sludge was sintered in rotary kiln to form lightweight aggregates2023年11月6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 Full article: A review of intelligent coal gangue separation 2024年4月15日 Coal gangue is a byproduct of coal mining and processing, and according to incomplete statistics, China has amassed a substantial coal gangue stockpile exceeding 2600 large mountains, which poses a serious threat to the ecological environment Utilizing gangue as a coarse aggregate to produce gangue concrete (GC) presents a promising avenue for Enhancing Fatigue Performance of Coal Gangue Concrete (CGC2012年7月2日 Though previous review articles on coal gangue have presented the environmental concerns and current utilization of coal gangue, the appraisal on the factors affecting its mechanical properties (PDF) Power Generation from Coal Gangue in China

Discussions of Resource Utilization of Coal Gangue
2014年6月1日 The ways of using coal gangue in electricity generation, chemical utilization and buildingmaterial production are introduced and national coal gangue utilization status and development trend is analyzed in this paper Pointing out the main problems in present utilization of coal gangues, suggestions on coal gangue resource utilization are given that provide Investigation into trace element partitioning behavior from a coal ganguefired power plant in Shanxi province, China, has been conducted and showed that Hg, As, Be, and Cd were highly volatile elements in the combustion of coalgangue, which were notably enriched in fly ash and may be emitted into the environment via the gas prehensive utilization and environmental risks of coal gangue2024年11月1日 Using coal gangue as subgrade filler (CGSF) can address the accumulated issues of coal mine waste, but also save the constructing costs, which has the important ecological and engineering Investigating the compaction and the mechanical behaviors of coal 2022年1月1日 The experimental results showed that the best proportion of soil matrix improvement was 429% coal gangue, 71% fly ash, 10% straw and 40% soil, where the coal gangue particle size proportion was Experimental Study on the Preparation of Improved

The experimental dataset for coal and gangue after
Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energysaving nature2022年12月1日 Semantic Scholar extracted view of "An energysaving and cleaner method for recycling coal gangue and aluminium chips: Preparing insitu nitride whiskers reinforced ceramics for thermal storage" by Xinbin Lao et alAn energysaving and cleaner method for recycling coal gangue 2024年9月13日 The cement used is CEM I 425 N, with its principal characteristics outlined in Table 1The fine aggregate used in this study comprises natural river sand with a fineness modulus of 23, and its gradation curve is illustrated in Fig 1The coarse aggregate is coal gangue obtained from a coal mine in Wuhai City, Inner Mongolia, China, crushed and sieved to The impact of microwave curing on the strength and 2024年4月29日 Understanding the transformation behavior of Ga and Ge during coal gangue combustion processes is significant for resource utilization and environmental protection Coal gangue from Xing’an Experimental Investigation on Gallium and Germanium Migration in Coal

Comparative study on mechanical and environmental properties of coal
Download Citation On Oct 1, 2023, Tong Zhang and others published Comparative study on mechanical and environmental properties of coal gangue sand concrete Find, read and cite all the research 2023年11月11日 Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energysaving nature However, the response characteristics of coal and gangue vary greatly under different illuminance conditions, which poses challenges to the stability of feature extraction Research on Recognition of Coal and Gangue Based on Laser2017年4月1日 Request PDF Preparation of blended geopolymer from red mud and coal gangue with mechanical cogrinding preactivation In preparing geopolymer based on red mud (RM), preactivation processes that Preparation of blended geopolymer from red mud and coal gangue Coal gangue is one of the largest mine solid wastes in China, and its discharge and stockpiling have caused resource waste, environmental pollution and other problems Starting from the resource characteristics of coal gangue, this paper systematically discusses the ways and research status of coal gangue resource utilization, mainly including: extracting and recovering Research Progress on Comprehensive Utilization of Coal Gangue

Coal Gangue Detection and Recognition Method Based on Multi
Coal Gangue Detection and Recognition Method Based on Multiscale Fusion Lightweight Network SMSYOLOv3 Deyong Li 1,2,3,4 , Huaiwei Ren 3,4* , Guofa Wang 1,2,3,4 , Shuang Wang 1,2 , Wenshan Wang 1 2024年10月29日 Coal gangue identification is the primary step in coal flow initial screening, which mainly faces problems such as low identification efficiency, complex algorithms, and high hardware requirements In response to the above, this article proposes a new “hardware friendly” coal gangue image recognition algorithm, RRBMYOLO, which is combined with dark light RRBMYOLO: Research on Efficient and Lightweight Convolutional 2014年2月1日 Coal gangue as road engineering material can sovle the problems of energy saving and environmental protectionExperimental datas of grain size distribution,crushing value,slake durability index Analysis of Obstacle of Development and Application that Coal Gangue 2024年5月7日 Efficient and thorough treatment of dye wastewater is essential to achieve ecological harmony In this study, a new type of calciumbased modified coal gangue (CaCG) was prepared by using solid waste coal gangue as raw Study on Preparation of CalciumBased Modified Coal

Closedloop cleaning treatment system — resource recovery of coal gangue
2024年4月3日 Coal gangue (CG) is an associated ore of coal seams confirming the feasibility of the closedloop system This treatment embodied the environmentalfriendly properties of low acid consumption than 20 patents, and published more than 60 papers in highlevel academic journals such as Carbon, Hydrometallurgy, Energy fuel, The coal gangue in China is the core field of bulk solid waste comprehensive utilization due to its massive stock and emission, high concentration of output, small proportion of highvalueadded utilization, and outstanding environmental impact Hence, the prospect of resource utilization of coal gangue is broad The existing disposal capacity and scale of coal gangue obviously Research progress of highvalue utilization of coal gangue 2015年9月26日 Glass–ceramic foams were fabricated at a relatively low temperature by incorporating coal gangue, waste quartz sand and sintering additives in different proportions Sintering and the foaming behavior of the foams were studied using thermal, Xray techniques and morphological characterization, followed with physical and mechanical properties Preparation and characterization of glass–ceramic foams with 2021年5月1日 Download Citation Preparation and microstructure of coal ganguebased geopolymer The orthogonal experimental was used to study the influence of milling time, modulus of alkali solution, solid Preparation and microstructure of coal ganguebased geopolymer

Review of Coal Gangue Characteristics and Ecological Restoration
2021年5月1日 In the same sampling area, water retention capacities of coal gangue taken from 1020 mm, 210 mm and natural graded groups increase in turn namely characteristics of coal gangue particle size 2023年2月26日 The recognition of coal and gangue is the premise and foundation of coal gangue intelligent sorting Adaptive boosting (AdaBoost) algorithmbased coal gangue identification has not been studied in depth This paper proposed a coal gangue image recognition algorithm and a strong classifier based on the AdaBoost algorithm with a genetic Coal Gangue Recognition during Coal Preparation Using an 2024年5月3日 Specifically, the effective utilization rate of inactive mine solid waste, including iron ore tailings and coal gangue, stands at a mere 20 % [40], [41] Therefore, utilizing large quantities of iron ore tailings and coal gangue as primary raw materials for nonsintering ceramsite production carries substantial environmental benefitsPreparation and alkali excitation mechanism of coal gangueiron 2018年9月18日 3113 Control Effectiveness and Existing Problems 1 Control effectiveness China’s coal industry has done a lot of work in environmental protection and has made positive progress In terms of management scope, it is changed from focusing on key stateowned coal mines to the whole coal industry; in terms of management means, the administrative Analysis of Environmental Protection Constraint of Energy Development

Discussion on Comprehensive Utilization and Ecological
2023年11月21日 The amount of coal gangue, a byproduct of coal mining and washing, is rapidly increasing with the growing trend of energy consumption The accumulated coal gangue without appropriate utilization 2020年11月23日 The separation of coal gangue from coal is of great significance for environmental protection and resourcesaving Therefore this article proposes an intelligent separation method for coal gangue based on multispectral imaging technology and object detection First a multispectral data acquisition system for coal and coal gangue is set up in Coal Gangue Detection Based on MultiSpectral Semantic 2016年11月1日 Coal gangue has accumulated huge coal gangue piles, occupying lots of land as well as having striking influence on the neighboring environmental effects This paper seeks a new way of coal gangue treatment in which the coal gangue blended with shale and sludge was sintered in rotary kiln to form lightweight aggregatesEnvironmental effects of coal gangue and its utilization: Energy 2023年11月6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 Full article: A review of intelligent coal gangue separation

Enhancing Fatigue Performance of Coal Gangue Concrete (CGC
2024年4月15日 Coal gangue is a byproduct of coal mining and processing, and according to incomplete statistics, China has amassed a substantial coal gangue stockpile exceeding 2600 large mountains, which poses a serious threat to the ecological environment Utilizing gangue as a coarse aggregate to produce gangue concrete (GC) presents a promising avenue for 2012年7月2日 Though previous review articles on coal gangue have presented the environmental concerns and current utilization of coal gangue, the appraisal on the factors affecting its mechanical properties (PDF) Power Generation from Coal Gangue in China2014年6月1日 The ways of using coal gangue in electricity generation, chemical utilization and buildingmaterial production are introduced and national coal gangue utilization status and development trend is analyzed in this paper Pointing out the main problems in present utilization of coal gangues, suggestions on coal gangue resource utilization are given that provide Discussions of Resource Utilization of Coal GangueInvestigation into trace element partitioning behavior from a coal ganguefired power plant in Shanxi province, China, has been conducted and showed that Hg, As, Be, and Cd were highly volatile elements in the combustion of coalgangue, which were notably enriched in fly ash and may be emitted into the environment via the gas prehensive utilization and environmental risks of coal gangue

Investigating the compaction and the mechanical behaviors of coal
2024年11月1日 Using coal gangue as subgrade filler (CGSF) can address the accumulated issues of coal mine waste, but also save the constructing costs, which has the important ecological and engineering