MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Quick lime coal gangue machine site
Opportunities, challenges and modification methods of coal gangue
2024年9月7日 Given the coal gangue properties and global land degradation severity, the resourceful utilization of coal gangue as soil conditioners is believed to be a universally 2024年2月1日 Based on the source and distribution of coal gangue (CG) in China, this study introduces the current situation of CG storage in China and the problems existing in the Representative coal gangue in China: Physical and chemical 2024年9月1日 Li and Sun (2018) proposed a simple, fast, and easy to implement coal gangue classification method using least squares support vector machine (LSSVM) based on Research and prospect of underground intelligent coal gangue 2023年11月6日 Intelligent coal gangue separation equipment has the advantages of fast speed, high precision, strong modularity, and integration scalability It also has the advantages of low operation cost and energy A review of intelligent coal gangue separation
Review Highcapacity utilization of coal gangue as
2024年7月12日 Coal gangue (CG), which accounts for about 10–20 % of coal output, is a kind of solid waste generated during the coal mining and washing processes According to Fig 2, the 2021年8月24日 The work developed the integrated green mining technology of coal mining, gangue washingbackfilling, strata control, and system monitoring First, a production system Integrated green mining technology of “coal mininggangue 2020年4月14日 Coal gangue is a rock mixed with organic and inorganic compounds codeposited with coal during coal formation Usually in a thin layer and in the coal seam or in the Identification and Activation of Coal Gangue and Model NO: 400/600/800/1010 Type: Hammer Crusher Motor Type: AC Motor Motor Power: 11160kw Application: Mine Chemistry Water Conservancy Railway Highway Materials: Quick Hammer Crusher for Crushing Qick Lime Coal Gangue
Study on the macro–micro evolution of compaction Nature
2024年2月28日 Currently the main method of mine solid waste disposal and utilization is to apply gangue to underground filling For the grading characteristics of coal gangue in the 2024年8月22日 The acid pollution produced from coal gangue piles is a global environmental problem Terminal technologies, such as neutralization, precipitation, adsorption, ion exchange, membrane technology, biological treatment, and electrochemistry, have been developed for acid mine drainage (AMD) treatment These technologies for treating pollutants with low Mechanism and In Situ Prevention of Oxidation in Coal Gangue 2022年4月6日 Ashfaq, M, and A A B Moghal 2021 “Influence of lime and coal gangue on the CBR behavior of expansive soil” In Advanced geotechnical and structural engineering in the design and performance of sustainable civil infrastructures sustainable civil infrastructures, edited by J Neves, B Zhu, P Rahardjo, 102–113 Cham, Switzerland The Sustainable Utilization of Coal Gangue in Geotechnical 2021年11月30日 Incomplete data indicate that coal gangue is accumulated in China, with over 2000 gangue hills covering an area exceeding 200,000 mu and an annual growth rate surpassing 800 million tonsRoad performance analysis of cement stabilized coal gangue mixture
The realtime detection method for coal gangue based on
2024年2月23日 To address the issues of complex algorithm models, poor accuracy, and low realtime performance in the coal industry's coal gangue sorting, a lightweight realtime detection method called YOLOv8sGSC is proposed based on the characteristics of coal gangue This method incorporates the ghost module into the YOLOv8s backbone network to reduce the 2023年5月17日 The UCS of the lime stabilised coal gangue is shown in figure 1 From the figure, it can be noted that with the addition of lime, there is a substantial increase in UCS of coal gangue The maximum increase in UCS was observed for 6 % lime addition with an increment of 1100 % The initial increase in UCS at lower curing period can beInfluence of lime on the unconfined compressive 2024年9月1日 As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue 2023年4月1日 By conducting the orthogonal design for the best mechanical properties of the matrix parts without introducing air pores in advance, the selfignition coal gangue: lime: cement: gypsum = 54: 23 Experimental study and machine learning prediction on
Coal Gangue Recognition during Coal Preparation Using
2023年8月11日 With the development of image processing technology and machine learning, coal gangue Minerals 2023, 13, 329 3 of 19 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 2020年1月14日 Chen Y Coal pointed out that gangue accumulates in huge coal gangue piles, occupying lots of land as well as having a striking influence on the neighboring environmental effects [1,2]Characterization Studies on Coal Gangue for Sustainable Geotechnics2022年12月6日 Liquid intervention is an effective method for improving the coal/gangue recognition accuracy in longwall top coal caving mining, especially for coal and gangue with small gray differenceAn Improved Method of Coal Gangue Deep
Road performance analysis of cement stabilized coal gangue
2021年12月10日 By adding cement to limefly ash stabilized coal gangue mixture, and the vibrating screen machine is used to pass the 236 mm sieve hole After screening, the mass ratio of unspontaneous combustion coal gangue aggregate (hereafter referred to as BNS) larger than 236 mm particle size and unspontaneous combustion coal gangue aggregate 2021年7月11日 For each combination, the BC soil is dry mixed (before saturation) with lime and coal gangue based on its observed MDD values In order to avoid the influence of moisture fluctuations on the CBR behavior, fixed optimum moisture content of 21% (OMC of BC soil) was employed for all the combinations The lime content of 2%, 4% and 6% by dry weight Influence of Lime and Coal Gangue on the CBR Behavior of2014年9月1日 In order to determine the mix proportion with better anticracking performance of lime and flyash stabilized coal gangue roadbase materials, anticracking performance of lime and flyash stabilized coal gangue influenced by quality ratio of lime to flyash was studied based on the same aggregate gradation and the same aggregate ratio And then crack of test road with A Study on AntiCracking Performance of Lime and FlyAsh 2024年1月18日 Coal gangue is a fixed coal mining, washing, and processing product It is a blackgray rock with lower carbon content and harder than coal associated with coal seams during the coal formation process And its chemical composition is SiO2, Al2O3, Fe2O3, MgO, CaO, TiO2, etc What Minerals Do Coal Gangue Mainly Contain? Coal gangue refers []Coal Gangue: Composition, Processing, Use And Recycling
Comprehensive utilization and environmental risks of coal gangue: A
2019年12月1日 The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, eg, soil pollution, air pollution, and geologic hazards (Stracher and Taylor, 2004)The heat continues to accumulate during the accumulation process, which leads to spontaneous combustion with the oxidization of coal 2024年9月13日 Coal gangue (CG) as an supplementary material with cementitious properties to substitute for cement, not only reduces the energy consumed and carbon dioxide emitted in cement production, but also facilitates the resourceful use of CG waste Machine learning is employed to predict the volcanic ash reactivity of CG, due to its multifaceted Prediction of coal gangue volcanic ash activity based on machine 2023年12月8日 As depicted in Figure 1, two main methods can be employed for classifying coal and gangue: manual classification and automatic classificationIn manual classification, the operators primarily sort coal and gangue based on color and other visual characteristics The working conditions for manual classification are generally more strenuous and demanding, Coal and Gangue Classification Based on LaserInduced 2021年2月4日 Request PDF Utilization of Coal Gangue for Earthworks: Sustainability Perspective In recent years, there is a growing trend to utilize industrial residues/wastes with the aim of conserving Utilization of Coal Gangue for Earthworks ResearchGate
Carbon Footprint Analysis of Coal Gangue in Geotechnical
2019年9月28日 Coal gangue is a mine waste generated during the mineral processing phase of coal production With the surge in demand for coal in thermal power, steel and cement generation industries, the rate of coal gangue generation has reached unprecedented heights With the realisation of potential threat posed by coal gangue, researchers have made attempts to 2024年7月23日 Focusing on the issues of complex models, high computational cost, and low identification speed of existing coal gangue image identification object detection algorithms, an optimized YOLOv5s lightweight detection model for coal gangue is proposed Using ShuffleNetV2 as the backbone network, a convolution pooling module is used at the input end instead of the Lightweight detection model for coal gangue identification 2015年4月29日 First, according to the actual underground working environment of the mine, a machine vision platform for coal gangue identification was built and the coal gangue image acquisition experiment was Separation of aluminum and silica from coal gangue by 2024年10月26日 At present, intelligent sorting robots for coal gangue have achieved sorting of different types of coal gangue to a certain extent However, there are still some challenges in practical Research on efficient matching method of coal gangue
Rapid Analysis of Composition of Coal Gangue Based on
2022年12月5日 Coal gangue is the main solid waste in coal mining areas, and its annual emissions account for about 10% of coal production The composition information of coal gangue is the basis of reasonable utilization of coal gangue, and according to the composition information of coal gangue, one can choose the appropriate application scene The reasonable utilization 2019年9月23日 Site Ordovician limestone karst water plays a key role on the release of heavy metals from coal gangue abandoned or filled in goaf at closed coal minesLeaching behaviour of heavy metals from coal gangue under 2021年5月27日 To detect coal content in gangue, a novel approach based on image analysis and particle swarm optimization–support vector machine (PSOSVM) was presented(PDF) Detection of coal content in gangue via image analysis 2019年12月1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 Comprehensive utilization and environmental risks of coal gangue
Study on the Reactivity Activation of Coal Gangue for
2023年9月21日 In this study, the research aim is to enhance the activity index of activated coal gangue and study its activation mechanism The activation process of coal gangue was optimized through orthogonal tests, and the BackPropagation (BP) neural network model was improved using a genetic algorithm With the effects of grinding duration, calcination temperature, and 2023年12月25日 Coal gangue (CG) and coal gasification coarse slag (CGCS) possess both hazardous and resourceful attributes The present study employed coroasting followed by H2SO4 leaching to extract Al and Fe Study on Extraction Valuable Metal Elements by CoRoasting Coal Gangue 2024年2月1日 Coal is not only the most abundant fossil fuel on earth, but also an indispensable energy source in the industrial age According to the data of “2021 National Mineral Resources Reserve Statistics Table”, the cities with the most coal reserves in China's energy minerals are Inner Mongolia, Xinjiang, Shanxi, Hebei, Chongqing, Gansu, Shaanxi and other regionsRepresentative coal gangue in China: Physical and chemical 2024年8月22日 The acid pollution produced from coal gangue piles is a global environmental problem Terminal technologies, such as neutralization, precipitation, adsorption, ion exchange, membrane technology, biological treatment, and electrochemistry, have been developed for acid mine drainage (AMD) treatment These technologies for treating pollutants with low Mechanism and In Situ Prevention of Oxidation in Coal Gangue
The Sustainable Utilization of Coal Gangue in Geotechnical
2022年4月6日 Ashfaq, M, and A A B Moghal 2021 “Influence of lime and coal gangue on the CBR behavior of expansive soil” In Advanced geotechnical and structural engineering in the design and performance of sustainable civil infrastructures sustainable civil infrastructures, edited by J Neves, B Zhu, P Rahardjo, 102–113 Cham, Switzerland 2021年11月30日 Incomplete data indicate that coal gangue is accumulated in China, with over 2000 gangue hills covering an area exceeding 200,000 mu and an annual growth rate surpassing 800 million tonsRoad performance analysis of cement stabilized coal gangue mixture2024年2月23日 To address the issues of complex algorithm models, poor accuracy, and low realtime performance in the coal industry's coal gangue sorting, a lightweight realtime detection method called YOLOv8sGSC is proposed based on the characteristics of coal gangue This method incorporates the ghost module into the YOLOv8s backbone network to reduce the The realtime detection method for coal gangue based on2023年5月17日 The UCS of the lime stabilised coal gangue is shown in figure 1 From the figure, it can be noted that with the addition of lime, there is a substantial increase in UCS of coal gangue The maximum increase in UCS was observed for 6 % lime addition with an increment of 1100 % The initial increase in UCS at lower curing period can beInfluence of lime on the unconfined compressive
Research and prospect of underground intelligent coal gangue
2024年9月1日 As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal production2023年4月1日 By conducting the orthogonal design for the best mechanical properties of the matrix parts without introducing air pores in advance, the selfignition coal gangue: lime: cement: gypsum = 54: 23 Experimental study and machine learning prediction on 2023年8月11日 With the development of image processing technology and machine learning, coal gangue Minerals 2023, 13, 329 3 of 19 Coal Gangue Recognition during Coal Preparation Using 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
Characterization Studies on Coal Gangue for Sustainable Geotechnics
2020年1月14日 Chen Y Coal pointed out that gangue accumulates in huge coal gangue piles, occupying lots of land as well as having a striking influence on the neighboring environmental effects [1,2]