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
600 mesh coal gangue, which can be processed into 6 00 mesh coal gangue powder equipment
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ReviewComprehensive utilization and environmental risks of coal
2019年12月1日 Moreover, coal gangue with a total sulfur content of 6% can recover the sulfur concentrate; while coal gangue used as fuel needs to take corresponding dust removal and 2022年9月30日 Coal gangue can be processed into ceramsite concrete by the above method, which solves the problem of solid waste treatment and alleviates the shortage of concrete raw Preparation of coal gangue ceramsite highstrength concrete and 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 Review Highcapacity utilization of coal gangue as supplementary 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 A review of intelligent coal gangue separation technology and
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Opportunities, challenges and modification methods of coal
2024年9月7日 The addition of porous modified coal gangue can improve soil structure, which is conducive to nutrient absorption and respiration of plant roots, and significantly boost the 2020年2月5日 The geotechnical properties of coal gangue revealed its potential as fill material in the construction of embankments and retaining walls Mineralogical and chemical Characterization studies on coal gangue for sustainable geotechnicsUsing coal gangue as a fertilizer has been proven helpful in potentially reducing its environmental impact and improving its value In this study, the formation mechanism and influencing factors Sustainable and clean utilization of coal gangue: activation and 2022年6月26日 This paper reviews the properties and preparation methods of Chinese gangue aggregate, studies the influence of gangue aggregate on concrete properties and the Using Chinese Coal Gangue as an Ecological Aggregate and Its
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Representative coal gangue in China: Physical and chemical
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 2022年4月4日 Among the 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 2023年8月31日 The coal gangue is crushed and screened in the coal preparation plant to form small particles (less than 6 cm) These particles are then paved into a roadbed with a thickness of about 35 cm After compaction, the How to Recycle and Process Coal Gangue: 7 Effective 2024年2月2日 After grinding 0–1 mm and 1–16 mm coal gangue particles into powder through an 80 µm mesh sieve, the calorific value was measured using a 5EC5500 intelligent calorimeter to analyze their heat releaseStudy on the calorific value and cementitious properties of coal gangue
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Review Highcapacity utilization of coal gangue as supplementary
2024年7月12日 Furthermore, substantial CG accumulation has given rise to severe pollution and degradation of air, land, water resources, and ecosystems (Fig 3) [3]In regions exposed to direct sunlight, the internal heat of the CG gradually accumulates to its ignition point, leading to spontaneous combustion and the emission of harmful gases, such as sulfur dioxide and 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 Investigating the compaction and the mechanical behaviors of coal 2020年2月5日 Global rise in greenhouse gas emissions (GHG) is triggered mainly due to the consumption of fossil fuels for power generation and domestic usage Among the fossil fuels, coal is a primary contributor to global GHG with substantial emissions generated during its mining and combustion process Coal gangue, a residue produced during the coal mining process, has Characterization studies on coal gangue for sustainable geotechnics2022年6月26日 Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications Producing concrete with coal gangue aggregate is one of the green sustainable development requirements This paper reviews the properties and preparation methods of Chinese gangue aggregate, studies the influence of gangue aggregate on Using Chinese Coal Gangue as an Ecological Aggregate and Its
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A review of intelligent coal gangue separation technology and equipment
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 2023年5月25日 Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production []The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area []Heavy metals and harmful organic substances in Lowcarbon utilization of coal gangue under the carbon 2022年12月26日 Top coal caving is a process for the rational extraction of large amounts of coal resources However, this process readily causes release of excessive amounts of gangue during the coal release process The conventional technique, which involves visual inspection, is not only laborintensive but also can introduce inaccuracies Coal and gangue identification methods A review of coal gangue identification research—application to 2024年3月14日 With the continual advancement of coal resource development, the comprehensive utilization of coal gangue as a byproduct encounters certain constraints A substantial amount of untreated coal gangue is openly stored, particularly acidic gangue exposed to rainfall The leaching effect of acidic solutions, containing heavy metal ions and other Environmental impact assessment of acidic coal gangue
Road performance analysis of cement stabilized coal gangue mixture
2021年11月30日 The coal gangue is crushed into powder by electromagnetic ore Standards 10 22 – 32 > 180 360 ∼ 600 35 / 65 unspontaneous combustion coal gangue were screene d by 100 mesh, 2020年3月17日 Glassceramics with high strength and lightweight were developed by comprehensively utilizing coal gangue and clay This work optimized the many processing parameters including the rate of using Glassceramics fabricated by efficiently utilizing 2024年2月15日 To address the lightweight and realtime issues of coal sorting detection, an intelligent detection method for coal and gangue, Ourv8, was proposed based on improved YOLOv8Detection of Coal and Gangue Based on Improved YOLOv82019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
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Detection of coal and gangue based on improved YOLOv51 which embedded
2022年1月1日 The experimental results show that the average accuracy of detecting coalgangue in the test set reaches 9834 %, and the detection time is about 362 s by using the model of YOLOv51 to train the RGB image of coalgangue This method can not only accurately identify coalgangue, but also obtain the relative position of coalgangue, which can 2021年9月20日 Silicon (Si) fertilizer is of great significance to modern agricultural production; the citratesoluble silicon fertilizer based on coal gangue is one way to protect the environment and meet the Sustainable and Clean Utilization of Coal Gangue: Activation and 2023年1月19日 The identification of coal gangue is of great significance for its intelligent separation To overcome the interference of visible light, we propose coal gangue recognition based on multispectral (PDF) Coal gangue recognition based on spectral imaging2021年9月1日 At present, scholars have carried out related researches on the separation of silica and alumina components in coal gangue, which can be divided into two methods: mining company in Northwest China The coal gangue is first crushed to 10–20 mm, and then finely ground to −100 mesh Powder Technol, 302 (2016), pp 3341Mineral phase transformation in coal gangue by high temperature
Environmental hazards and comprehensive utilization of solid waste coal
2024年4月1日 Coal gangue to meet the production requirements of various types of wall materials components, generally after the selection of raw materials, homogenization, crushing and screening, shaping, billet, drying, roasting, cooling and other processes, as well as optimizing the coal gangue use rate and other processes, can be processed into bricks and 2022年4月4日 Incorporating steel fiber or slag powder into CGAC can optimize its Samples were processed with microwave The bulk and 6 effective utilization of coal gangue can be attained by The Sustainable Utilization of Coal Gangue in Geotechnical and 2023年10月12日 Coal gangue sorting is a necessary process in coal mine production, and removing gangue is the basis for the coal production of clean energy; it is also an important approach to reduce the cost of (PDF) Coal Gangue Target Detection Based on Improved YOLOv5s Coal gangue is a byproduct of coal mining, constituting approximately 15 % of the total raw coal output [1]Over the past few decades, coal has become the primary energy source in China, resulting in the accumulation of 5 billion tons of coal gangue, with an additional 300 to 350 million tons generated annually [1]Spontaneous combustion coal gangue is a widely occurring type Spontaneous combustion coal ganguebased composite cement:
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Toward understanding the activation and hydration
2022年2月1日 In general, several factors potentially influence the activation of coal gangue, s particle size, calcination temperature, annealing rate, holding time, and additives ous researchers demonstrated 2020年5月15日 Coal ganguebased geopolymer (CGGP) is one of the hot spots existing in the recycling of coal gangue resources due to its good comprehensive mechanical propertiesExperimental Study on the Characteristics of Activated Coal Gangue 2021年12月1日 The experimental results show that the average accuracy of detecting coalgangue in the test set reaches 9834 %, and the detection time is about 362 s by using the model of YOLOv51 to train the Detection of Coal and Gangue Based on Improved YOLOv512016年8月1日 Conversion of coal gangue into alumina, kaolinite in coal gangue firstly converts into metakaolinite at 600–900 °C due to dehydroxylation, 40–160 mesh, (PDF) Conversion of coal gangue into alumina ResearchGate
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(PDF) Analysis of the vibration characteristics of tail beam of the
2022年6月10日 To study the influence of the gangue content of coal gangue particles on the vibration signal of the tail beam under sliding condition, this paper combines threedimensional(3D) laser scanning Calcined coal gangue has better activity when it reaches 700 C [5,6], and then the alkaliactivated coal gangueslag can be employed as a cement Therefore, this test sets the temperature for calcinedAlkaliActivated Coal GangueSlag Concrete ResearchGate2024年3月22日 Gallium (Ga) and germanium (Ge) critical elements have a wide range of applications and market value Extracting critical elements from coal gangue and combustion products can alleviate pressures on primary mining resources Understanding the transformation behavior of Ga and Ge during coal gangue combustion processes is significant for resource Experimental Investigation on Gallium and Germanium Migration in Coal 2023年10月3日 Additionally, the chemical composition of coal gangue is similar to that of fly ash (FA), and research on the use of fly ash as a supplementary cementitious material has been conducted for nearly a century Hence, research is underway on grinding coal gangue into powder and using it as a substitute for ordinary Portland cementInfluence of Coal Gangue Powder on the Macroscopic
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Study on the Selfndash;Bearing Mechanism and
2024年2月17日 The mining of coal resources is accompanied by a large amount of solid waste such as gangue, which seriously affects the ecological environment The gangue grouting backfilling technique can achieve the dual 2022年11月25日 China’s total coal production in 2021 exceeded 413 billion tons, 52% of the world’s total Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly discharged on the ground Underground Disposal of Coal Gangue Backfill in 2021年9月1日 Coal gangue was collected from Ordos mining area, China The mineral phase was characterized by XRD (Fig 1 (a))Kaolinite (Al 2 O 3 2SiO 2 2H 2 O) and quartz (SiO 2) were the main crystalline minerals in raw coal gangueThe chemical composition is listed in Table 1The mineral composition of raw coal gangue is given in Table 2Results show that the raw Performance of microwaveactivated coal gangue powder as 2017年9月20日 As the main solid waste in the mine, the coal gangue is considered as one of the most concerned objects in the current crossing field between the geological sciences, environmental sciences and material science []When the advanced technology and process are applied to comprehensively utilize the coal gangue, the energy will be saved and the Thermal decomposition of selected coal gangue
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Recognition Methods for Coal and Coal Gangue Based on Deep Learning
2021年5月17日 Recognizing coal and coal gangue is an important part of the coal industry and is mainly conducted via human sorting at present Consequently, considerable manpower is needed, which adds a burden 2019年10月1日 In this work, a novel method is introduced to activate coal gangue (CG) for extraction of Si and Al species The activation experiments were carried out using a stainless steel tube reactor (17 mL Extraction of SiO2 and Al2O3 from coal gangue activated by 2024年11月1日 By leveraging coal gangue, China can not only mitigate the raw material constraints for LC 3 It presents as white, tasteless, lightweight powder with a particle size of 400 mesh The chemical composition is presented in Table 4 coal gangue, and certain equipment information are considered foreground data obtained through Synergistic performance of microwaveactivated coal gangue with 2018年10月30日 This paper explores the impacts of sodium hydroxide modulus, alkali lye amount and liquid–solid ratio on the strength and microstructure of coal gangue geopolymer materials, involving a total of Preparation and characterization of coal gangue geopolymers
(PDF) Influence of Mass Concentration on Microstructure and Pore
2023年4月5日 In response to China’s “double carbon” strategic goal, the problem of large emissions of coal gangue and low utilization rate of gangue cemented backfill with fly ash as admixture needs to 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