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
Use of coal gangue powder
Synergistic action and effect mechanism of coal gangue powder
2024年12月1日 The red mudcoal gangue concrete with 15 % red mud and 15 % coal gangue powder had lower porosity, and comparable compressive strength with the cement concrete 2019年12月1日 The highvalueadded researches are likely to be a major method for the increased use of coal gangue It has been found that the slag after combustion of coal gangue Comprehensive utilization and environmental risks of coal gangue: 2022年5月12日 In this study, coal gangue mixed with calcium carbonate and corn stalk powder is used as a raw material to produce ganguebased silicon fertilizer through hightemperature Sustainable and clean utilization of coal gangue: activation and 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 Opportunities, challenges and modification methods of coal
Influence of Coal Gangue Powder on the Macroscopic
2023年10月3日 Integrating recycled aggregates (RAs) and coal gangue powder (CGP) into concrete is an effective approach for waste management However, CGP can affect the performance of traditional recycled concrete This study 2022年9月15日 Using coal gangue in geopolymer preparation can effectively reduce cement output and meet the sustainability requirements In this paper, the physical and chemical characteristics, including the heavy metal content, of Activation Mechanism of Coal Gangue and Its Impact 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 thorough understanding of environmental concerns The Sustainable Utilization of Coal Gangue in 2020年2月5日 To gauge the feasibility of using coal gangue for geotechnical and geoenvironmental applications, comprehensive characterization study was performed which Characterization studies on coal gangue for sustainable geotechnics
Durability of Concrete With Coal Gasification Slag and
2022年1月25日 Coal gangue (CG) and coal gasification slag (CGS) contain a large amount of siliceous and aluminous minerals and have certain pozzolanic reactivity In recent years, the use of CG and CGS as SCMs in concrete 2024年8月30日 The use of uncalcined arenaceous rock coal gangue powder (ACP) instead of fly ash as a siliceous raw material to produce autoclaved aerated concrete (AAC) is a potential method for achieving low energy consumption and highefficiency utilisation of ACP The effects and mechanism of the Ca/Si ratio (C/S) on the slurry and physical and mechanical properties The performance of autoclaved aerated concrete prepared by 2023年10月3日 Hence, research is underway on grinding coal gangue into powder and using it as a substitute for ordinary Portland cement Currently, research on coal gangue concrete primarily focuses on the use of coal gangue as recycled coarse aggregates and its incorporation as a gel material in concreteInfluence of Coal Gangue Powder on the Macroscopic 2020年7月1日 Coal gangue powder (accounting for 0%, 25%, 50%, 75% and 100% by weight of ore powder) is used to replace ore powder to improve the freezethaw resistance of asphaltAccording to the test data, Study on Microcosmic Action Mechanism and Road Performance of Coal
Study on the properties of recycled concrete mixed with coal gangue
2024年12月1日 With the continuous advancement of Chinese industrialization, the demand for energy in all walks of life is also increasing Coal is the most critical component of the Chinese energy system, accounting for up to 70 % [1]Coal gangue is the solid waste produced in the process of coal mining [2, 3], including that produced in the floor, roof, coal seam, roadway 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 Comprehensive utilization and environmental risks of coal gangue: A 2024年6月14日 To achieve environmental sustainability and improve material characteristics, this study examines the performance of selfcompacting concrete (SCC) that incorporates different industrial byproducts, including fly ash (FA), coal gangue powder (CGP), cement kiln dust (CKD), and recycled concrete powder (RCP) Through an experimental program, the Performance analysis of self compacting concrete by incorporating 2023年6月27日 Coal gangue and feldspar powder were used as raw materials, and clay was deemed to be a binder, sintering artificial aggregates The effects of the change of raw material ratio and sintering temperature on the physical properties, micromorphology, crystal composition and metal leaching of artificial aggregates were exploredEffect of raw material ratio and sintering temperature on
Performance of microwaveactivated coal gangue powder as
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 2024年8月30日 China's annual output of raw coal was about 35–4 billion tons, and the annual discharge of coal gangue, an industrial solid waste with a large discharge and low utilization rate, from coal mining and coal preparation was about 500–800 million tons [1], [2], [3], [4]Accumulation and landfills are common ways to treat coal gangue, but these methods lead The performance of autoclaved aerated concrete prepared by 2022年5月27日 Coal gangue powder can coexist stably with asphalt molecules, which basically eliminates the weakening of mechanical properties and environmental pollution caused by the escape of coal gangue powder asphalt mixture in actual use Adding coal gangue powder to asphalt not only protects the environment, but also optimizes resourcesStudy on flexural properties of coal gangue powder asphalt 2024年11月1日 Addressing these research gaps is crucial for advancing the use of coal gangue in LC 3 production and promoting the sustainable development of lowcarbon cement technologies Utilizing microwave activation for the production of 1 kg of activated coal gangue powder can reduce CO 2 emissions by approximately 132 kgSynergistic performance of microwaveactivated coal gangue with
Representative coal gangue in China: Physical and chemical
2024年2月1日 CG1 is Hebei coal gangue, which comes from a coal gangue processing plant in Xingtai, Hebei Province The difference of carbon emission is mainly formed by iron powder and other processes The use of CGbased cementitious material is more conducive to reducing carbon dioxide emissions Download: Download highres image (189KB)2023年8月29日 In order to further promote the application of coal gangue in the microwave healing of asphalt mixtures, this study looks into the synergistic effect of basalt and coal gangue powder (CGP) on the Microwave Heating Healing of Asphalt Mixture with Coal Gangue Powder 2024年2月23日 This work effectively created an optimal LAAM from coal gangue and fly ash The combination of CG and FA as raw materials, together with the use of zinc powder as an expanding agent, produced encouraging results for the creation of a material with the potential for usage in building applicationsLightweight aerated concrete based on activated powders of coal gangue 2020年1月15日 The purpose of this study was to use coal gangue as a new type of planting substrate component, and then dried at 70 °C for 48 h Subsequently, the dry weight was measured, and samples were ground to a powder and analyzed The plant height and root length were measured by a ruler 25 Analyses of soil physicochemical propertiesOptimizing the formulation of coal gangue planting substrate
Safe and environmentally friendly use of coal gangue in C30
2024年4月1日 It was found that because the main components of CG powder contain more Al 2 O 3 and SiO 2, the addition of CG powder with less substitution rate can make full use of Ca(OH) 2 in the system to accelerate cement hydration, thereby increasing the content of hydration products such as CSH gel, CAH and CASH(Gao et al, 2023b), promoting solid phase 2022年1月26日 Thus, the use of coal gangue (CG) and coal gasification slag (CGS) as SCMs in concrete attracted more researcher’s attention This paper investigated the mechanical strength, porosity, and Durability of Concrete With Coal Gasification Slag and Coal Gangue Powder2022年5月12日 Coal gangue, a byproduct produced during the coal processing, has a serious impact on the environment Using 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 of coalganguebased silicon fertilizer was studied using XRD and FT Sustainable and clean utilization of coal gangue: activation and 2020年3月30日 To improve the lowtemperature crack resistance of asphalt mixture, coal gangue powder (CGP) and polyester fibre (PF) are added for modifying the performance of asphalt mixture Five replacement rates that CGP replaces mineral powder (0%, 25%, 50%, 75% and 100% by the weight of the mineral powder) and six PF contents (0%, 03%, Lowtemperature crack resistance of coal gangue powder and
Performance analysis of self compacting concrete by incorporating
2024年6月14日 To achieve environmental sustainability and improve material characteristics, this study examines the performance of selfcompacting concrete (SCC) that incorporates different industrial byproducts, including fly ash (FA), coal gangue powder (CGP), cement kiln dust (CKD), and recycled concrete powder (RCP)2024年12月1日 The applications of coal gangue in asphalt cover a wide range Research has shown that using coal gangue powder as a filler in asphalt can improve its hightemperature performance [5], but may result in a certain decrease in lowtemperature performanceJian et al [6] conducted rutting experiments and beam bending tests on limestone powder and coal Evaluation and comparison for higher temperature performance 2020年5月15日 The coal gangue powder and aggregate were calcined with constant temperature in muffle furnace 700 °C for 2 h Fig 2 shows the particle size distribution of calcined coal gangue powder and slag powder The median particle size d50 values of calcined coal gangue powder and slag powder were 17252 μm and 10529 μm, respectivelyStudy on compressive strength and durability of alkaliactivated coal 2022年8月20日 Coal gangue is a kind of solid waste produced in the coal mining and preparation Abundant SiO 2 and Al 2 O 3 are contained in coal gangue, which has potential cementitious activity Therefore, the preparation of cementitious materials from coal gangue powder has broad application prospects The effect and mechanism of the cementitious Influence of thermally activated coal gangue powder on the
Influence of Coal Gangue Powder on the Macroscopic
2023年10月3日 Currently, research on coal gangue concrete primarily focuses on the use of coal gangue as recycled coarse aggregates and its incorporation as a gel material in concrete [ 22 30 ] Due to its lightweight and highstrength characteristics, researchers have investigated the crushing of coal gangue for use as an aggregate for recycled concreteCoal gangue is a solid waste discharged in coal washing and choosing, accounting for 10 to 25% of coal production1 According to statistics, China's coal industry has emitted more than 5 billion tons of coal gangue, an increase of 300 million tons per year2 Not only is a large amount of land wasted by dealing with coal gangue, but it also causes environmental pollutionInfluence of Activated Coal Gangue Powder on ProQuest2024年10月9日 In a study on the chemical activation of coal gangue powder, Ruicong Han et al [39] observed that a small amount of CaCl 2 and Ca(OH) 2 enhanced the activity of coal gangue powder Moreover, the activity of coal gangue powder decreased and then increased with the increase of the concentration of Na 2 O n SiO 2 However, the overall increase in Synergistic action and effect mechanism of coal gangue powder 2022年10月27日 At present, the preparation of activated coal gangue mainly adopts the method of calcining lumpy materials in a stacked state, and the calcination time is generally as long as 2–6 h, which not only exhibits high energy consumption but also causes the unstable quality of the product [15 – 19]Suspension calcination technology is a new process used for gangue Properties and Hydration Mechanism of Cementitious Materials
Microwave Heating Healing of Asphalt Mixture with Coal Gangue Powder
2023年8月29日 Microwave heating is an effective method to achieve autonomic crack healing in asphalt mixtures, and the use of microwaveabsorbing materials can largely improve this healing efficiency As a solid waste, coal gangue contains metal oxides, which shows the possibility of microwave heating In order to further promote the application of coal gangue in the 2024年11月1日 After that, LC 3 cements were prepared by replacing cement clinker with limestone powder (LS) and MCG at different ratios The uniaxial compressive strength, phase composition, Coal gangue: The coal gangue (CG) used in this study is untreated raw coal gangue, sourced from Lingshou County, Hebei Province, ChinaSynergistic performance of microwaveactivated coal gangue with 2024年8月30日 The use of uncalcined arenaceous rock coal gangue powder (ACP) instead of fly ash as a siliceous raw material to produce autoclaved aerated concrete (AAC) is a potential method for achieving low energy consumption and highefficiency utilisation of ACP The effects and mechanism of the Ca/Si ratio (C/S) on the slurry and physical and mechanical properties The performance of autoclaved aerated concrete prepared by 2023年10月3日 Hence, research is underway on grinding coal gangue into powder and using it as a substitute for ordinary Portland cement Currently, research on coal gangue concrete primarily focuses on the use of coal gangue as recycled coarse aggregates and its incorporation as a gel material in concreteInfluence of Coal Gangue Powder on the Macroscopic
Study on Microcosmic Action Mechanism and Road Performance of Coal
2020年7月1日 Coal gangue powder (accounting for 0%, 25%, 50%, 75% and 100% by weight of ore powder) is used to replace ore powder to improve the freezethaw resistance of asphaltAccording to the test data, 2024年12月1日 With the continuous advancement of Chinese industrialization, the demand for energy in all walks of life is also increasing Coal is the most critical component of the Chinese energy system, accounting for up to 70 % [1]Coal gangue is the solid waste produced in the process of coal mining [2, 3], including that produced in the floor, roof, coal seam, roadway Study on the properties of recycled concrete mixed with coal gangue 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 Comprehensive utilization and environmental risks of coal gangue: A 2024年6月14日 To achieve environmental sustainability and improve material characteristics, this study examines the performance of selfcompacting concrete (SCC) that incorporates different industrial byproducts, including fly ash (FA), coal gangue powder (CGP), cement kiln dust (CKD), and recycled concrete powder (RCP) Through an experimental program, the Performance analysis of self compacting concrete by incorporating
Effect of raw material ratio and sintering temperature on
2023年6月27日 Coal gangue and feldspar powder were used as raw materials, and clay was deemed to be a binder, sintering artificial aggregates The effects of the change of raw material ratio and sintering temperature on the physical properties, micromorphology, crystal composition and metal leaching of artificial aggregates were explored2021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 2024年8月30日 China's annual output of raw coal was about 35–4 billion tons, and the annual discharge of coal gangue, an industrial solid waste with a large discharge and low utilization rate, from coal mining and coal preparation was about 500–800 million tons [1], [2], [3], [4]Accumulation and landfills are common ways to treat coal gangue, but these methods lead The performance of autoclaved aerated concrete prepared by 2022年5月27日 Coal gangue powder can coexist stably with asphalt molecules, which basically eliminates the weakening of mechanical properties and environmental pollution caused by the escape of coal gangue powder asphalt mixture in actual use Adding coal gangue powder to asphalt not only protects the environment, but also optimizes resourcesStudy on flexural properties of coal gangue powder asphalt