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
Beisu coal mine gangue filling
Gangue grouting filling in subsequent space of coal green mining
2024年3月27日 This paper provides a comprehensive understanding of the postmining spatial gangue slurry backfilling method, outlines the spatial layout approach for the corresponding 2024年5月20日 As shown in Fig 9, the integrated technology of “mining, selection and filling” is organically integrated by three parts: underground coal mining, coal gangue separation and Research status of comprehensive utilization of coalbased solid 2019年1月1日 Gangue filling can support the roof of the goaf, effectively control the surface subsidence with little influence on the ground villages The premeter and equations of the main (PDF) Deformation process and prediction of filling gangue: A case 2021年7月1日 To increase the consumption of wasted gangue and reduce surface subsidence, mixed gangue composed of equalquality washed gangue and crushed gangue is proposed as a raw material for solidExperimental Study on the Compaction and
Raw Gangue Filling Mining under Construction—A Case
paper provides a method to quantitatively calculate the equivalent mining height (EMH) of raw gangue filling and its mining deformation, which has reference significance for old mining2021年7月4日 The filling mining scheme for gangue of the 9,302 working face was optimized, and the gradation of the filling material was improved After washed gangue and crushed gangue were mixed with equal quality, filling and Experimental Study on the Compaction and 2023年4月27日 This new filling technology can inject millimeterlevel gangue slurry into the void in caving zone and fractured zone, with a low cost, flexible layout, and has no space–time interference between filling and coal mining, Strata Movement of Gangue Grouting Filling in The premeter and equations of the main deformation in the gangue filling are verified, and the subsidence coefficient is further reduced by adding cemented material or fine sand This paper Deformation process and prediction of filling gangue: A case
煤矿矸石充填效果受夯实角影响研究
摘要: 为了研究充填支架夯实机构的夯实角对矸石散体夯实效果的影响，以ZC1800/14/25型充填液压支架为原型，采用离散元数值模拟的方法构建矸石充填工作面空间模型，分析了推压板和矸 2023年11月23日 Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and Technology and engineering test of filling goaf with 2022年1月1日 Request PDF Integrated green mining technology of “coal mininggangue washingbackfillingstrata controlsystem monitoring”—taking Tangshan Mine as a case study In Tangshan Mine, there Integrated green mining technology of “coal mining 2021年7月1日 The coal mining technology of fully mechanized solid filling is an efficient and green mining method that integrates “sediment reduction” and “emission reduction”Experimental Study on the Compaction and
(PDF) Compression characteristics of local filling gangue in
2022年1月21日 During the gangue filling in steeply dipping coal seam, the loading rate, gangue gradation, and filling speed have an important impact on the deformation and failure of gangue, and further affect of Fluidized Filling Gangue in the Caving Goaf of Thick Coal Seam Fully Mechanized Caving Mining Liang Li, Qingxiang Huang, Xiao Zuo, Jie Wu, Baoning Wei, Yanpeng He, 3307 working face of the Sangshuping No 2 coal mine in the Weibei mining area [29–31] The mining of this working face has been completed, and the collapse of the goaf tendsStudy on the Slurry Diffusion Law of Fluidized Filling Gangue in 2023年11月23日 Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of coal gangue, mine yellow mud grouting technology, and the evolution law of mining overburden fractures, a Technology and engineering test of filling goaf with coal gangue Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of coal gangue, mine yellow mud grouting technology, and the evolution law of mining overburden fractures, a technology of Technology and engineering test of filling goaf with coal gangue
Raw Gangue Filling Mining under Construction—A Case
Taking a raw ganguefilling coal mine in China as the engineering background, in view of the above problems, the influencing factors of roof subsidence and its control principles are proposed2023年4月5日 Based on this, this paper uses coal gangue powder as admixture and coal gangue as coarse and fine aggregate to prepare coalganguebased green cemented filling body (CGGCFB) with different mass (PDF) Influence of Mass Concentration on Microstructure and Pore 2020年1月1日 Aiming at the problems of misdetection, omission and low recognition accuracy of coal gangue recognition due to the harsh environmental factors such as low illumination, motion blur and large Method of coal gangue separation and coordinated insitu In the field of coal mine filling, in addition to coal gangue, fly ash and slag can also be used as filling materials, and some scholars have conducted research Gao et al [29] obtained the optimal particle size distribution range for cement, slag, and fly ash through experiments, which are 5 mm for cement in 8–30 μm range, slag in 30–50 μm range, fly ash in 50–80 μm rangeEffect of coal gangue grading characteristics on cemented paste
(PDF) Research on the Overburden Movement Law of
2022年12月28日 Filling mining technology is a feasible and effective means to build a green mine and protect the environment In order to investigate the overlying rock movement law of ganguefilling mining 2023年1月1日 Download Citation Method of gangue grouting filling in subsequent space of coal mining The disposal and utilization of mine solid waste is a common problem in China’ s coal mining,which Method of gangue grouting filling in subsequent space of coal Coal gangue is one of the largest mine solid wastes in China, and its discharge and stockpiling have caused resource waste, FRITZ K M, BARTON C D Impacts of mountaintop removal and valley fill coal mining on C and N processing in terrestrial soils and headwater streams[J] Water Air Soil Pollut, 2014, 225: 2081 doi: 101007/s11270014 Research Progress on Comprehensive Utilization of Coal Gangue2019年6月2日 According to the different types of filling materials used in coal mine filling mining, it can be categorized into bulk material filling, such as raw gangue, coal gangue paste filling, and high (PDF) Study on Filling Material Ratio and Filling Effect: Taking
(PDF) Field study on the improvement of coal gangue filling
2021年5月5日 PDF In this study, dynamic compaction method was used to treat the gangue hill of the Xinglongzhuang coal mine in China, and the deep compaction of Find, read and cite all the research you 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 2023年4月27日 Aiming at the difficulty of disposal of coalbased solid waste from highyield, highefficiency mines, this research proposed a technique of gangue grouting filling in subsequent space (GGFSS) for Strata Movement of Gangue Grouting Filling in Subsequent Space for Coal 2023年11月23日 Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of coal gangue, mine yellow mud grouting technology, and the evolution law of mining overburden fractures, a Technology and engineering test of filling goaf with coal gangue
Degradation Mechanism of Coal Gangue Concrete Suffering from
Materials 2023, 16, 1234 3 of 20 2 Experimental Program 21 Materials Ordinary Portland cement (CUCC, PO 425R) was used as the binder material in this test It has a specific surface area of Download Citation On Jan 1, 2024, Dongmei Huang and others published Evolution law study of pore and fracture of coal gangue cemented filling body under axial compression using PFC2D Find Evolution law study of pore and fracture of coal gangue cemented Hyperspectral Inversion of Heavy Metal Content in Coal Gangue Filling Reclamation Land: XU Liangji 1,2, LI Qingqing 1, ZHU Xiaomei 1, LIU Shuguang 1: 1 Faculty of Surveying and Mapping, Anhui University of Science and Technology, Huainan , China 2Hyperspectral Inversion of Heavy Metal Content in Coal Gangue Filling 2024年5月25日 Gangue filling affects the emission and migration of gas in adjacent coal seams by altering the distribution of mine pressure in the stope In engineering practice, the filling rate of gangue in the goaf fluctuates under the influence of external factors, leading to the formation of filling structuresStudy on the influence law of gangue filling structure on the gas
A longterm study on the soil reconstruction process of reclaimed
2020年12月1日 Land reclamation is usually carried out by landfill approaches such as filling the subsidence area with coal gangue, ash (Kumar and Singh, 2003), or river or lake sedimentsAmong these materials, coal gangue is the most widely used filling material, which has many advantages: (a) coal gangue is a solid waste from mining, representing approximately 2021年11月27日 Utilizing coal gangue (CG) as a filling matrix to construct different profiles of reclaimed land in coal mining subsidence has downsides, eg, due to its low conservative capability of water Evaluation of Soil Quality and Maize Growth in Different Profiles of 2024年3月27日 Addressing the temporal and spatial interference between mine solid waste backfilling and coal mining is essential To overcome this challenge, this study introduces a novel postmining spatial Gangue grouting filling in subsequent space of coal green Abstract: Filling mining technology is a feasible and effective means to build a green mine and protect the environment In order to investigate the overlying rock movement law of ganguefilling Research on the Overburden Movement Law of Thick Coal Seam
Research status of comprehensive utilization of coalbased solid
2024年5月20日 However, for deep mine mining, it is necessary to conduct indepth research on relevant theories and technologies, such as the layout of deep underground separation space, minimized mining of coal gangue, intelligent separation of coal and gangue, and preparation of filling materials, so as to realize the intelligent sorting and insitu filling of coal gangue in ultra 2021年5月5日 In this study, dynamic compaction method was used to treat the gangue hill of the Xinglongzhuang coal mine in China, and the deep compaction of deep coal gangue was examined The crushing characteristics and improving depth of coal gangue filling under different dynamic compaction conditions were de Field study on the improvement of coal gangue filling using In structural filling mining of coal mines, the ganguecemented filling material is used to prepare the filling body according to local conditions Using the coal mine waste gangue as a filling material can not only control the movement and deformation of the overburden but also reduce the emission of coal mine gangue and reduce the environmental pollution caused by surface Mechanical Properties and Deterioration Instability of Filling Body 2023年11月23日 Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and Technology and engineering test of filling goaf with
Integrated green mining technology of “coal mining
2022年1月1日 Request PDF Integrated green mining technology of “coal mininggangue washingbackfillingstrata controlsystem monitoring”—taking Tangshan Mine as a case study In Tangshan Mine, there 2021年7月1日 The coal mining technology of fully mechanized solid filling is an efficient and green mining method that integrates “sediment reduction” and “emission reduction”Experimental Study on the Compaction and 2022年1月21日 During the gangue filling in steeply dipping coal seam, the loading rate, gangue gradation, and filling speed have an important impact on the deformation and failure of gangue, and further affect (PDF) Compression characteristics of local filling gangue in of Fluidized Filling Gangue in the Caving Goaf of Thick Coal Seam Fully Mechanized Caving Mining Liang Li, Qingxiang Huang, Xiao Zuo, Jie Wu, Baoning Wei, Yanpeng He, 3307 working face of the Sangshuping No 2 coal mine in the Weibei mining area [29–31] The mining of this working face has been completed, and the collapse of the goaf tendsStudy on the Slurry Diffusion Law of Fluidized Filling Gangue in
Technology and engineering test of filling goaf with coal gangue
2023年11月23日 Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of coal gangue, mine yellow mud grouting technology, and the evolution law of mining overburden fractures, a Based on the greening and low interference disposal requirements of coal gangue in highyield and highefficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of coal gangue, mine yellow mud grouting technology, and the evolution law of mining overburden fractures, a technology of Technology and engineering test of filling goaf with coal gangue Taking a raw ganguefilling coal mine in China as the engineering background, in view of the above problems, the influencing factors of roof subsidence and its control principles are proposedRaw Gangue Filling Mining under Construction—A Case2023年4月5日 Based on this, this paper uses coal gangue powder as admixture and coal gangue as coarse and fine aggregate to prepare coalganguebased green cemented filling body (CGGCFB) with different mass (PDF) Influence of Mass Concentration on Microstructure and Pore
Method of coal gangue separation and coordinated insitu
2020年1月1日 Aiming at the problems of misdetection, omission and low recognition accuracy of coal gangue recognition due to the harsh environmental factors such as low illumination, motion blur and large