اترك رسالة

Mechanical Experiments and ABAQUS Simulations of Fiber–Coal

4 天之前  Expansive soil experiences swelling when wet and shrinkage upon drying . ... In coal gangue–modified expanded soil, the coarser coal gangue particles implement the احصل على السعر

标记:Coal GangueSoil

Comprehensive utilization and environmental risks of coal gangue:

2019/12/1  The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, e.g., soil pollution, air احصل على السعر

标记:Coal Gangue UtilizationJiayan Li, Jinman Wang, Jinman WangPublish Year:2019

Consolidation Enhancement of Weathered Coal Gangue Utilized

2024/11/4  This study proposed a dry–wet cycle to investigate the stability of weathered coal gangue. The dry–wet cycle process involved immersing the sample in water for 12 h at احصل على السعر

标记:Coal GangueAggregate

Opportunities, challenges and modification methods of coal

2024/9/7  The persistent reliance on coal has resulted in the accumulation of substantial coal gangue, a globally recognized problematic solid waste with environmental risks. Given the احصل على السعر

标记:Coal Gangue UtilizationSoil

Classification of coal gangue and identification of coal type based

2024/11/1  Coal gangue, a by-product rock with low carbon content co-generated with the coal seam during the coal formation process, is a solid waste that needs to be discharged احصل على السعر

Eco-friendly treatment of coal gangue for its utilization as ...

2021/2/20  Using coal gangue (CG) as supplementary cementitious materials (s) is believed to be one of the effective strategies for CG disposal. While the low reactivity of CG احصل على السعر

标记:Coal Gangue UtilizationPublish Year:2021Coal Gangue Extraction

Coal and Gangue Classification Based on Laser

2023/12/8  In the wet classification process, a large amount of water resources is consumed, which may also lead to the raw coal being slurried, thus causing environmental pollution problems. Therefore, the core focus of احصل على السعر

标记:Coal GangueBiological classification

Influence of coal gangue mulching with various thicknesses and

2021/7/28  Coal gangue occupies large swathes of land resources, resulting in ecological fragility and various environmental problems. ... The valve was opened, and the time at which احصل على السعر

标记:Coal Gangue UtilizationPublish Year:2021Coal Gangue Application Soil

Physical properties of coal gangue, including property

Download scientific diagram Physical properties of coal gangue, including property comparisons with wet and soft loess. from publication: Utilization of Coal Gangue Aggregate for Railway احصل على السعر

标记:Coal Gangue UtilizationPhysical property

Preventing water inrush hazards in coal mines by coal gangue ...

2023/9/13  Coal gangue is the solid waste generated during the excavation of tunneling or washing of raw coal, and its emission is about 15–20% of the raw coal production (Li and احصل على السعر

Eco-friendly treatment of coal gangue for its utilization as ...

2021/2/20  Using coal gangue (CG) as supplementary cementitious materials (s) is believed to be one of the effective strategies for CG disposal. While the low reactivity of CG احصل على السعر

Environmental-friendly coal gangue-biochar composites

2021/3/1  Then, the raw materials and coal gangue were mixed in a wet 2:1 mass method, soaked with water and stirred evenly and dried at 80 °C to obtain modified biochar raw احصل على السعر

Recent progress and potential challenges in coal upgrading via

2021/12/1  Clean coal and gangue keep constant segregation under the interaction between periodic gas flow and deck vibration. Clean coal with lighter density floats in the احصل على السعر

Performance evaluation of a deep learning based wet coal image ...

2021/9/1  Considering the importance of coal and gangue classification in the coal preparation process, Dou et al. explored the classification effect of Support Vector Machine احصل على السعر

Influence of coal gangue mulching with various thicknesses and

2021/7/28  Coal gangue occupies large swathes of land resources, resulting in ecological fragility and various environmental problems. ... The valve was opened, and the time at which احصل على السعر

Double Stage Crusher for Highly Wet Coal Gangue- HAMAC

The Double Stage Crusher for Highly Wet Coal Gangue is a revolutionary piece of equipment designed specifically to tackle the challenges posed by wet and sticky materials. This احصل على السعر

Spontaneous combustion coal gangue-based composite cement:

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, احصل على السعر

Robust SiO2–Al2O3/Agarose Composite Aerogel Beads with

2022/3/6  Schematic of the SCAB preparation process. (a) Activated coal gangue (ACG) is prepared by calcining a mixture of coal gangue and Na 2 CO 3, then adding deionized احصل على السعر

Coal and gangue classification in actual environment of mines

2023/4/1  In the ideal laboratory environment, the light intensity is high, the coal and gangue image acquisition process is simple, and the camera receives more light signals, so it is easy احصل على السعر

Research on Compressive and Flexural Properties of Coal Gangue

There are few studies available on coal gangue-based geopolymers in dry and wet cycle environments. Whether coal gangue-based geopolymers can adapt to extreme weather احصل على السعر

Mechanical Experiments and ABAQUS Simulations of Fiber–Coal Gangue ...

4 天之前  Expansive soil experiences swelling when wet and shrinkage upon drying . ... In coal gangue–modified expanded soil, the coarser coal gangue particles implement the احصل على السعر

Coal and Gangue Classification Based on Laser-Induced

2023/12/8  In the wet classification process, a large amount of water resources is consumed, which may also lead to the raw coal being slurried, thus causing environmental احصل على السعر

Reutilization of gangue wastes in phosphogypsum-based excess

2023/1/11  Coal gangue, as a by-product of coal mining, selection, and excavation, can cause severe air pollution by spontaneous combustion. ... For the specimens without calcined احصل على السعر

High-capacity utilization of coal gangue as supplementary

2024/7/12  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 احصل على السعر

Mechanical Experiments and ABAQUS Simulations of Fiber–Coal Gangue ...

4 天之前  Expansive soil experiences swelling when wet and shrinkage upon drying . ... In coal gangue–modified expanded soil, the coarser coal gangue particles implement the احصل على السعر

Coal and Gangue Classification Based on Laser

2023/12/8  In the wet classification process, a large amount of water resources is consumed, which may also lead to the raw coal being slurried, thus causing environmental pollution problems. Therefore, the core focus of احصل على السعر

Reutilization of gangue wastes in phosphogypsum-based excess

2023/1/11  Coal gangue, as a by-product of coal mining, selection, and excavation, can cause severe air pollution by spontaneous combustion. ... For the specimens without calcined احصل على السعر

High-capacity utilization of coal gangue as supplementary

2024/7/12  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 احصل على السعر

Identification of force chains in wet coal dust layer and the effect

2024/7/22  Wet coal dust layer greater than the average pressure contact force of the particles stored more than 90% of the cumulative energy of elasticity, and its performance of احصل على السعر

Coal and gangue classification in actual environment of mines

2023/4/1  At present, wet coal preparation and dry coal preparation are the most prevalent processes of coal and gangue classification in the coal industry. Many researches realize احصل على السعر

Lightweight detection model for coal gangue identification based

2024/7/23  Focusing on the issues of complex models, high computational cost, and low identification speed of existing coal gangue image identification object detection algorithms, an احصل على السعر

Study on Strength and Micromorphology of ... - Wiley Online Library

2024/7/26  The research focuses on testing the efficacy of various coal gangue additions in enhancing the soil properties through compaction, liquid–plastic limit, expansion rate, احصل على السعر

Low-temperature crack resistance of coal gangue powder and

2020/3/30  Coal gangue is a waste residue generated during coal mining and washing, which has a large amount of clay minerals and a utilised value [10]. However, coal gangue احصل على السعر

The influence of carbon imperfections on the physicochemical ...

2023/12/15  During the soundness test, coal gangue is subjected to cyclic wet-dry cycles in a sodium sulfate solution. The sulfate ions in the solution first initiate corrosion of the C احصل على السعر

Activation and Application of Wet Shotcrete Concrete with Coal ...

2023/2/1  [11] Qi S, Yongjing L and Shukun Z 2015 Experimental Study on the Preparation of C20 Shotcrete with Coal Gangue[J] Non-Metallic Mines 38 24-26. Google Scholar [12] احصل على السعر

Reactivity activation of waste coal gangue and its impact on the ...

2020/2/20  A large amount of coal gangue buildup may be a potential fire hazard associated with the heat released by microorganisms accumulating to the point of احصل على السعر

Representative coal gangue in China: Physical and chemical

2024/2/1  CG1 is Hebei coal gangue, which comes from a coal gangue processing plant in Xingtai, Hebei Province. It is brownish black powder after drying and grinding. CG2 is Shanxi احصل على السعر

Characterization of heavy metals in coal gangue-reclaimed soils from

2018/3/1  Coal gangue is practically used as a filling material for soil reclamation in the coal mining subsidence areas. Due to the toxic elements enriched in coal gangue, the reclaimed احصل على السعر