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China powder processing and coal selection network
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China Powder Science and TechnologySciEngine
Chinese Powder Science and Technology is committed to publishing cuttingedge research results in the field of global powder science and technology, based on powder engineering, involving basic and applied research on crushing, 2024年11月5日 China Powder Science and Technology is be in charge of the China Building Materials Federation, the director of the Chinese Society of particles, the University of Jinan, No1中国粉体技术 University of Jinan2024年11月21日 As the only professional academic journal in the field of powder science and technology in China, this journal focuses on fundamental and applied research in powder English中国粉体技术 University of JinanWith the transformation and upgrading of China's manufacturing industry, powder raw material processing technology and equipment as the source of the industry chain is playing an Powdex China 2024
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China Powder Science and Technology 中国颗
2022年3月30日 Topics of the journal’s interest mainly centers on studies on powder processing and the applications of powder technology, such as powder comminution, characterization, synthesis, modification, granulation, 2023年3月1日 Develop a principal component analysis network (PCANet) frame for identifying coal and gangue by multispectral imaging Structural similarity index measure (SSIM) of coal Recognition method of coal and gangue combined with 2022年2月1日 Upgrading HCMs for a broad array of potential applications including their use in batteries, membranes, and catalysts could play an important role in the global demand for Upgrading carbonaceous materials: Coal, tar, pitch, and Consequently, breakthroughs in coal gasification, indirect and direct coaltoliquid (CTL) processes, and methanoltoolefins (MTO) technologies are catching attention worldwide Progress in coal chemical technologies of China De Gruyter
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Research progress and prospects of coal petrology and coal quality in China
Based on the research results of predecessors and prediction studies of coal resources since the founding of China, the present status of research on coal petrology, coal quality, coal 2024年9月3日 Developing deep fragmented soft coalbed methane (CBM) can significantly enhance domestic natural gas supplies, reduce reliance on imported energy, and bolster Challenges and development direction of deep fragmented 2024年10月28日 LyondellBasell has announced that China Energy Group Ningxia Coal Industry Co, Ltd (China Energy Group Ningxia Coal) has selected LYB Hostalen Advanced Cascade Process (Hostalen ACP) technology for a 300,000tpy highdensity polyethylene (HDPE) plant The new facility will be built at Yinchuan City, Ningxia Hui Autonomous Region, ChinaChina Energy Group Ningxia Coal selects LyondellBasell 2021年5月11日 In view of the above, froth flotation, wateronly cyclone, and teeterbed separators are the better options for treating fine coal The modernday coal processing plants can be categorized into four different circuits, depending upon the size of the coal particles to be treated: (a) coarse coal processing circuit treating particles coarser than Mineral Beneficiation and Processing of Coal SpringerLink
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Study on recognition of coal and gangue based
2023年2月9日 1 Introduction Fully mechanized mining and top coal mining have become two of the main methods of thick coal seam mining in China, and intelligent coal mining is the only way to the highquality development of the 2024年7月17日 Coal remains the primary source of energy in China, with its consumption consistently exceeding 50% However, the processes of coal mining and processing inevitably produce a certain amount of Design and application of coal gangue sorting system based 2019年10月9日 1 Introduction In the process of coal production, a large amount of dust is frequently produced [1 – 3], particularly in the mining phase, which not only directly threatens the safety of coal mine production but also causes pneumoconiosis when workers inhale dust for a long time [4 – 6]Therefore, dust control has typically been a prominent topic of research [7 – 9]Wetting Process and Adsorption Mechanism of Surfactant 2022年2月1日 Coalbased thinfilm electronics represent another potential direction for scalable upgrading of coals13 Keller et al first presented a coalbased conductive thinfilm processing route (Figure 1C), which includes a nanoscale powder supernatant floatation to select dispersive coal powders, a thinfilm spinning process to make a uniformUpgrading carbonaceous materials: Coal, tar, pitch, and
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Improved YOLOv7 Network Model for Gangue Selection
2023年8月21日 matter in coal, utilizing a gangue selection robot with an enhanced YOLOv7 network model The proposed approach entails the collec tion of coal, gangue, and foreign ma tter images using an indus2023年3月1日 At this stage, coal gangue separation methods can be divided into wet gangue separation and dry gangue separation according to whether water resources are consumed [7]In the prospect of the development of coal science and technology during the “14th FiveYear Plan” of China's coal industry, the intelligentization of dry coal preparation is regarded as one of the Recognition method of coal and gangue combined with 2019年5月8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 Image Recognition of Coal and Coal Gangue Using a 2014年1月1日 The use of coal is negatively perceived, since the use of fossil fuels in power generation and other industry sectors contributes significantly to the CO 2 emissions worldwide Of the main fossil fuels, coal has the lowest H:C ratio, and consequently coal has the highest CO 2 footprint per unit of combustion energy produced Coal also contains percentage levels of Coal Processing and Use for Power Generation ScienceDirect
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Upgrading carbonaceous materials: Coal, tar, pitch, and
2022年2月2日 Coalbased thinfilm electronics represent another potential direction for scalable upgrading of coals 13 Keller et al first presented a coalbased conductive thinfilm processing route (Figure 1 C), which includes a nanoscale powder supernatant floatation to select dispersive coal powders, a thinfilm spinning process to make a uniform 2020年11月27日 The flows of the goods and services construct the economic relationships between sectors and provide the possibilities of the spreading of the influence brought by the change of some sectors(PDF) Coal Industrial Supply Chain Network and2024年10月25日 ROTTERDAM, Netherlands, October 25, 2024 LyondellBasell (NYSE: LYB), the world’s largest licensor of polyolefin technologies, today announced China Energy Group Ningxia Coal Industry Co, Ltd (China Energy Group Ningxia Coal) has selected LYB Hostalen Advanced Cascade Process (Hostalen ACP) technology for a 300 kiloton (kt) per year high China Energy Group Ningxia Coal selects LyondellBasell 2022年2月2日 The perspective highlights the shift of coal and other heavy carbonaceous materials (tar, pitch, and beyond) from combustion sources to low carbon emission applications ranging from joule heaters, supercapacitors, and strain sensors Laser annealing and molecular dynamics simulations can guide the thermal upgrading of these materials, and machine Upgrading carbonaceous materials: Coal, tar, pitch, and
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Measurement and calculation of calorific value of raw coal
2020年1月1日 The calorific value of coal is the basic technical basis for calculating parameters such as boiler heat balance, thermal efficiency, and boiler output2024年5月21日 In the process of CBM production, the generation of coal powder is inevitable The optimal amount of coal powder facilitates the improvement of reservoir permeability and enhances production capacity of gas wells However, excessive coal powder can cause reservoir damage and hinder production capacity of gas wells (Kravchenko and Lyerly, 2018 Frontiers Production characteristics and influencing factors 2023年11月1日 An imagebased coal network model for simulating hydromechanical gas flow in coal: an application to carbon dioxide geosequestration resources, and production and a review of contrasting cases from the San Juan and Powder River basins AAPG Bull (2002) PA The Ordos Basin is situated in northcentral China, and the coalbearing International Journal of Coal Geology ScienceDirect2023年1月15日 The development history and present status of the circulating fluidized bed combustion (CFBC) technology in China are reviewed This technology has been developed for nearly 40 years since the early 1980s in China, and its development history can be divided into five stages, including a learning stage, an improvement stage, a scaleup stage, a maturing A review on research and development of CFB combustion technology in China
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Spatial evolution of coal transportation network of China
To investigate the evolution rules and intrinsic mechanisms of coal transportation network of China, a coal transportation network evolution model based on the coal price cost and transportation cost selection mechanism was proposed referring to the modeling ideas of complex networks Through adjusting the model parameters, the influences of model parameters on the 2022年1月1日 Here, a new recognition solution for coal and gangue is proposed, in which the convolutional neural network (CNN) is trained to achieve the automatically identifying coal and gangue based on the (PDF) Accurate Identification Strategy of Coal and Gangue 2023年12月1日 A large amount of dust was generated during the mining process, such as roadway excavation, stope blasting, and ore unloading Health economic loss measurement and risk assessment of new cases of coal worker’s pneumoconiosis in China Saf Sci, 122 (2020), p View PDF View article View in China Powder Sci echnol, 29 (2) (2023 A review of dust control/removal methods in metal mines in China2023年6月11日 Traditional methods for gangue selection in coal processing include manual gangue selection, jigging gangue selection, heavy media gangue selection, and ray gangue selection [33] Manual gangue separation is characterized by high labor intensity and low efficiency Jigging gangue selection offers a simple process, ease of operation, and goodImproved YOLOv7 Network Model for Gangue Selection
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Forecasting of coal and electricity prices in China: Evidence
2024年6月1日 This probability was used to accept the worst solution that appeared in the process of generation selection, thus increasing the diversity of solutions in the search space To help enterprises monitor their own financial status and realize the healthy development of enterprises during the pandemic, an enterprise financial early warning model is 2021年1月2日 Online detection of coal and gangue is the key to intelligent separation of coal and gangue which is significant for improving coal mining efficiency and deducing environmental pollutionTo improve the detection of coal and gangue under complex conditions, we proposed a cascade network that consists of detector and discriminatorEmploying the idea of combining Cascade network for detection of coal and gangue in the 2024年5月11日 China faces a challenge in the sustainable development of the coal industry due to pneumoconiosis problems Dust control technologies are crucial for safe production and miners’ health, ensuring the industry’s longevity This article reviews the development process of dust prevention and control in underground coal mines in China, summarizes various technologies, Review on Dust Control Technologies in Coal Mines of China In surface mining, the ground covering the coal seam (the overburden) is first removed to expose the coal seam for extraction The elements of a surface mining operation are (1) topsoil removal and storage for later use, (2) drilling and blasting the strata overlying the coal seam, (3) loading and transporting this fragmented overburden material (called spoil), (4) drilling and blasting the Appendix E: Coal Mining and Processing Methods Coal:
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Coal liquefaction technologies—Development in China and challenges
2010年1月1日 Coal liquefaction, termed coal to liquid or CTL frequently nowadays, refers to conversion of solid coal into liquid fuels and chemicals Its main objectives are breaking down of the coal's molecular structure and addition of hydrogen (Dadyburjor and Liu, 2004)These have been realized mainly through two routes, one is direct hydrogenation of coal, commonly 2023年5月28日 Coal production often involves a substantial presence of gangue and foreign matter, which not only impacts the thermal properties of coal and but also leads to damage to transportation equipmentImproved YOLOv7 Network Model for Gangue Selection 2023年1月1日 Sizing coal is the process of segregating coal lumps that are similar in size Coal passes over one or more vibrating screens/grates and the larger sizes not passing through each screen are separated Coal is usually separated using grates of three sizes: coarse, intermediate, and fine Each size follows a different path through the plantCoal beneficiation: theory and practice ScienceDirect2022年3月25日 Coal consumption brings a lot of coal fly ash (CFA) It requires interdisciplinary efforts in research, policy, and practice to improve the utilization of CFA Although there have been a lot of achievements in technological innovation, the utilization of CFA is still difficult to match its output So, it is urgent to explore how to guide its effective innovation This paper The drivers of collaborative innovation of the comprehensive
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China Energy Group Ningxia Coal selects LyondellBasell
2024年10月28日 LyondellBasell has announced that China Energy Group Ningxia Coal Industry Co, Ltd (China Energy Group Ningxia Coal) has selected LYB Hostalen Advanced Cascade Process (Hostalen ACP) technology for a 300,000tpy highdensity polyethylene (HDPE) plant The new facility will be built at Yinchuan City, Ningxia Hui Autonomous Region, China2021年5月11日 In view of the above, froth flotation, wateronly cyclone, and teeterbed separators are the better options for treating fine coal The modernday coal processing plants can be categorized into four different circuits, depending upon the size of the coal particles to be treated: (a) coarse coal processing circuit treating particles coarser than Mineral Beneficiation and Processing of Coal SpringerLink2023年2月9日 1 Introduction Fully mechanized mining and top coal mining have become two of the main methods of thick coal seam mining in China, and intelligent coal mining is the only way to the highquality development of the Study on recognition of coal and gangue based 2024年7月17日 Coal remains the primary source of energy in China, with its consumption consistently exceeding 50% However, the processes of coal mining and processing inevitably produce a certain amount of Design and application of coal gangue sorting system based
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Wetting Process and Adsorption Mechanism of Surfactant
2019年10月9日 1 Introduction In the process of coal production, a large amount of dust is frequently produced [1 – 3], particularly in the mining phase, which not only directly threatens the safety of coal mine production but also causes pneumoconiosis when workers inhale dust for a long time [4 – 6]Therefore, dust control has typically been a prominent topic of research [7 – 9]2022年2月1日 Coalbased thinfilm electronics represent another potential direction for scalable upgrading of coals13 Keller et al first presented a coalbased conductive thinfilm processing route (Figure 1C), which includes a nanoscale powder supernatant floatation to select dispersive coal powders, a thinfilm spinning process to make a uniformUpgrading carbonaceous materials: Coal, tar, pitch, and 2023年8月21日 matter in coal, utilizing a gangue selection robot with an enhanced YOLOv7 network model The proposed approach entails the collec tion of coal, gangue, and foreign ma tter images using an indusImproved YOLOv7 Network Model for Gangue Selection 2023年3月1日 At this stage, coal gangue separation methods can be divided into wet gangue separation and dry gangue separation according to whether water resources are consumed [7]In the prospect of the development of coal science and technology during the “14th FiveYear Plan” of China's coal industry, the intelligentization of dry coal preparation is regarded as one of the Recognition method of coal and gangue combined with
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Image Recognition of Coal and Coal Gangue Using a
2019年5月8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 2014年1月1日 The use of coal is negatively perceived, since the use of fossil fuels in power generation and other industry sectors contributes significantly to the CO 2 emissions worldwide Of the main fossil fuels, coal has the lowest H:C ratio, and consequently coal has the highest CO 2 footprint per unit of combustion energy produced Coal also contains percentage levels of Coal Processing and Use for Power Generation ScienceDirect