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
Gangue filling Hunan Province
Dynamic characteristics of coal gangue subgrade filler under traffic
2024年5月21日 Coal gangue used as subgrade filler is an important measure to solve the problem of coal gangue accumulation In order to prevent the secondary environmental 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 Investigating the compaction and the mechanical behaviors of 2023年5月21日 In this paper, the development law of residual deformation of coal gangue subgrade filler is analyzed through large scale triaxial test, and the residual deformation model Residual deformation of coal gangue subgrade filler under multi 2023年5月21日 The results show that the deformation of coal gangue filler increases first and then tends to be constant under cyclic load of multiple vibration times It is found that the Residual deformation of coal gangue subgrade filler under multi
Study on Solidification Characteristics of Granular Coal Gangue:
2023年9月16日 This paper studies the gangue of Wantian Coal Mine in Liupanshui City, Guizhou Province, and analyzes the mechanical properties and laws of mechanical granular 2022年12月19日 In this paper, the residual deformation development law of gangue subgrade filler was explored by using a largescale triaxial experiment, and the correlation degree Experimental Study on Residual Deformation of Coal Gangue Filler 2024年5月21日 A series of cyclic triaxial tests was carried out by the largescale dynamic and static triaxial apparatus (LSDSTA) to study the dynamic behaviors of coal gangue subgrade Dynamic characteristics of coal gangue subgrade filler under traffic It takes the coal gangue collected from an abandoned coal mine in Xiangtan of Hunan Province as the research object It studies the gradation effect of the compaction and strength behaviors EXPERIMENTAL STUDY OF GRADATION EFFECT ON COMPACTION
Characteristics of Coal Gangue and Present Situation and Prospect
2024年6月4日 According to the statistical data of the new output of coal gangue in the major coalproducing provinces in 2018, the new output of coal gangue in the nine major coal 2024年5月21日 Coal gangue used as subgrade filler is an important measure to solve the problem of coal gangue accumulation In order to prevent the secondary environmental Dynamic characteristics of coal gangue subgrade filler under traffic 2023年4月5日 Influence of Mass Concentration on Microstructure and Pore Structure of CoalGangueBased Green Cemented Filling Body April 2023; Journal of Engineering Province, which is crushed by a jaw (PDF) Influence of Mass Concentration on 2017年3月23日 The Pb–Zn–Ag veinlets generally fill in the fractures within wall rocks (Fig 3d) and are also dominated by galena, sphalerite, and Agbearing minerals, with gangue minerals of calcite and fluorite The manto orebodies (1998) Metallogenic law of the Congshuban Pb–Zn–Ag deposit at Chenzhou, Hunan Province Hunan Geol 17 Mineralogy, fluid inclusion petrography, and stable isotope
Study on Sound Propagation Performance of
2023年6月5日 When the ganguesand ratio is small, and the slurry concentration is high, the early strength of the cementitious ganguesand filling body is low, but the later strength has a good growth trend2024年5月21日 Therefore, the effective utilization of coal gangue as subgrade filling has great practical significance (), the Natural Science Foundation of Hunan Province Dynamic characteristics of coal gangue subgrade filler under 2018年4月19日 concentration belt in northwestern Hunan Province[J] Geological Survey and Research, 2009, 32(3): 194 − 202 [19] 陈明辉 , 胡祥昭 , 鲍振襄 , 包觉敏 (PDF) Fluid inclusions investigation of the Tudiping PbZn deposit 2024年3月27日 Underground backfilling stands out as a crucial technological strategy for the ecofriendly and effective management of solid waste in mining operations However, existing backfilling techniques have led to increased production processes at the working face, resulting in a reduction in coal extraction efficiency Addressing the temporal and spatial interference Gangue grouting filling in subsequent space of coal green mining
(PDF) Field test study on coal gangue embankment
2016年7月26日 In order to study the structural characteristics of coal gangue embankment, a field test was conducted on the site of K127+700 km and K127+720 km of AnhuaShaoyang expressway in Hunan Province 2023年7月1日 Xu et al, 2014, Xu et al, 2016 observed that Cu, Ni, and Cd in RMSs with coal gangue filling were higher than the soil background values and migrated toward maize plants Chen et al (2017) monitored that coal gangue filling increased the heavy metal contents of the overlying soils, especially for soils at depths of 20–40 cm and 40–60 cmSoil reconstruction and heavy metal pollution risk in reclaimed gangue filling, a largescale crushed rock compression test Province, China, with a designed production capacity of 12 million t/a In recent years, the output of raw coal in theDeformation process and prediction of filling gangue: A2023年7月1日 Xu et al, 2014, Xu et al, 2016 observed that Cu, Ni, and Cd in RMSs with coal gangue filling were higher than the soil background values and migrated toward maize plants Chen et al (2017) monitored that coal gangue filling increased the heavy metal contents of the overlying soils, especially for soils at depths of 20–40 cm and 40–60 cmSoil reconstruction and heavy metal pollution risk in reclaimed
Research and engineering practice on space characteristics of gangue
2023年12月12日 Scientific Reports Research and engineering practice on space characteristics of gangue slurry filling Shaanxi Province, with a production capacity of 100 million tons per annum, 2018年3月8日 The recently explored Xitian tungstentin (WSn) polymetallic ore field, located in Hunan province, South China, is one of the largest ore fields in the Nanling Range (NLR)(PDF) Geochronology and Genesis of the Xitian WSn2016年12月1日 The Huangshaping polymetallic deposit is located in southeastern Hunan Province, China It is a worldclass W–Mo–Pb–Zn–Cu skarn deposit in the Nanling Range Metallogenic Belt, with estimated reserves of 7431 Mt of W–Mo ore at 028% WO 3 and 007% Mo, 2243 Mt of Pb–Zn ore at 36% Pb and 800% Zn, and 2035 Mt of Cu ore at 112% CuGenesis of the Huangshaping W–Mo–Cu–Pb–Zn ScienceDirectIn present work, the basic chemical characteristics, main microbial flora and typical metal speciation of the soil around coal gangue dump in Liejiaqiao coal mine, xiangtan mining area, Hunan province south of China were analyzed with several methods including XRF, XRD, microbial plate culture count and Tessier’s sequential extraction schemeA study on soil basic characteristics, main microbial flora and
Compression characteristics of filling gangue and simulation of
Changxiang Wang, Baotang Shen, Juntao Chen, Weixin Tong, Zhe Jiang, Yin Liu and Yangyang Li is not explored clear And it is also an urgent problem that2020年9月1日 China enjoyed continuously increasing identified reserves of fluorite resources in recent years According to the statistics in the Summary of Reserves of China ’s Mineral Resources in 2018 issued by the Ministry of Natural Resources of the People ’s Republic of China, the identified reserves of fluorite resources (minerals, the same hereafter) in China was Fluorite deposits in China: Geological features, metallogenic 2022年6月30日 The key of gangue filling Xiangtan , Hunan, China The paper studies the redevelopment potential of abandoned mines from the provincial perspective in 25 coalproducing provinces of Breakage mechanism and pore evolution characteristics of gangue 2023年5月21日 Gangue refers to waste rock discharged during coal mine construction, coal mining, etc 1Excessive accumulation of coal gangue will cause serious environmental problems 2,3,4At present, the coal Residual deformation of coal gangue subgrade filler under multi
A study on soil basic characteristics, main microbial flora Springer
located in Xiangtan city, Hunan province, south of China Although the coal production yield and coal gangue dump scale are not remarkable, the pollution caused by the direct discharged coal gangue in this district can’t be ignored In present work, ten subsoil samples at the depths of 10–15 cm were collected according to the distance away2024年5月25日 As shown in Fig 1, simplified gangue filling bodies in goaf and typical filling structures diagram are illustratedUnder the circumstance that mechanical properties of relevant layers and the total amount of gangue are certain, the filling structure shown in Fig 1 (c) has a better roof control capability However, as the filling structure is a geometric object, the Study on the influence law of gangue filling structure on the gas 2023年1月5日 With rapid economic development, soil heavy metal (HM) pollution has become increasingly prominent in China owing to its high toxicity, persistence, and irreparable damage to the ecosystem (Hu et al, 2020, Ren et al, 2022, Zhang et al, 2018)Currently, the most extensively used soil environmental quality standards in China are GB15618–2018 and Assessment of soil heavy metal pollution in provinces of China 2024年8月12日 The coal gangue dump may introduce heavy metal(oid)s (HMs) into surrounding agricultural soils, posing potential health risks to nearby communities This study evaluated heavy metal(oid) pollution Assessment of heavy metal(oid) pollution and related
Geochemical characteristics of lamprophyres in the Xikuangshan
2001年10月1日 Request PDF Geochemical characteristics of lamprophyres in the Xikuangshan antimony ore deposits, Hunan province Element and isotope geochemistry of the lamprophyres veins in the Xikuangshan 2023年5月4日 Trace Elements of Gangue Minerals from the Banbianjie GeZn Deposit in Guizhou Province, SW (Ge metal resources > 900 t, @100 × 10−6–110 × 10−6 Ge) in the Western Hunan (PDF) Trace Elements of Gangue Minerals from the Banbianjie Ge Liu, BOXUE 1987: Caractéristiques de la formation des sols et répartition verticale sur la pente sudest des monts Dufang dans la province Hunan Soil forming characteristics and vertical distribution on the eastsouth slope of the Dupang Mountain A study on soil basic characteristics, main microbial flora and 2021年2月1日 Therefore, the gangue filling body has a good waterproof performance, which can control the downward movement of groundwater effectively, the Special Fund for the Construction of Innovative Provinces in Hunan (2019RS2007), the National Key RD Program of China (2018YFC) Reutilization of gangue wastes in underground backfilling mining
Dynamic characteristics of coal gangue subgrade filler under
2024年5月21日 Therefore, the effective utilization of coal gangue as subgrade filling has great practical significance (), the Natural Science Foundation of Hunan Province (2023JJ40293), Xiaohe SciTech Talents Special Funding under Hunan Provincial SciTech Talents Sponsorship Program 2023年11月23日 This paper expounds on the technological process of technology of filling goaf with coal gangue slurry, Shaanxi Province, with a production capacity of 100 Mt/aTechnology and engineering test of filling goaf with coal gangue 2024年6月4日 Zhu Wenqing, He Tao (2021) Characteristics and comprehensive utilization of coal gangue resources in Hunan province Shandong Coal Technol 39(07):214–216+219 Google Scholar Luo Xiaobo, Song Yu, Guo Qiming, Gao Xudong (2021) Experimental study of influence of the mechanical behavior about fly ash content on concreteCharacteristics of Coal Gangue and Present Situation and Prospect 2020年11月1日 Characteristics of sulfatereducing bacteria and organic bactericides and their potential to mitigate pollution caused by coal gangue acidificationCharacteristics of sulfatereducing bacteria and organic bactericides
(PDF) Influence of Mass Concentration on
2023年4月5日 Influence of Mass Concentration on Microstructure and Pore Structure of CoalGangueBased Green Cemented Filling Body April 2023; Journal of Engineering Province, which is crushed by a jaw 2017年3月23日 The Pb–Zn–Ag veinlets generally fill in the fractures within wall rocks (Fig 3d) and are also dominated by galena, sphalerite, and Agbearing minerals, with gangue minerals of calcite and fluorite The manto orebodies (1998) Metallogenic law of the Congshuban Pb–Zn–Ag deposit at Chenzhou, Hunan Province Hunan Geol 17 Mineralogy, fluid inclusion petrography, and stable isotope 2023年6月5日 When the ganguesand ratio is small, and the slurry concentration is high, the early strength of the cementitious ganguesand filling body is low, but the later strength has a good growth trendStudy on Sound Propagation Performance of 2024年5月21日 Therefore, the effective utilization of coal gangue as subgrade filling has great practical significance (), the Natural Science Foundation of Hunan Province Dynamic characteristics of coal gangue subgrade filler under
(PDF) Fluid inclusions investigation of the Tudiping PbZn deposit
2018年4月19日 concentration belt in northwestern Hunan Province[J] Geological Survey and Research, 2009, 32(3): 194 − 202 [19] 陈明辉 , 胡祥昭 , 鲍振襄 , 包觉敏 2024年3月27日 Underground backfilling stands out as a crucial technological strategy for the ecofriendly and effective management of solid waste in mining operations However, existing backfilling techniques have led to increased production processes at the working face, resulting in a reduction in coal extraction efficiency Addressing the temporal and spatial interference Gangue grouting filling in subsequent space of coal green mining 2016年7月26日 In order to study the structural characteristics of coal gangue embankment, a field test was conducted on the site of K127+700 km and K127+720 km of AnhuaShaoyang expressway in Hunan Province (PDF) Field test study on coal gangue embankment2023年7月1日 Xu et al, 2014, Xu et al, 2016 observed that Cu, Ni, and Cd in RMSs with coal gangue filling were higher than the soil background values and migrated toward maize plants Chen et al (2017) monitored that coal gangue filling increased the heavy metal contents of the overlying soils, especially for soils at depths of 20–40 cm and 40–60 cmSoil reconstruction and heavy metal pollution risk in reclaimed
Deformation process and prediction of filling gangue: A
gangue filling, a largescale crushed rock compression test Province, China, with a designed production capacity of 12 million t/a In recent years, the output of raw coal in the2023年7月1日 Xu et al, 2014, Xu et al, 2016 observed that Cu, Ni, and Cd in RMSs with coal gangue filling were higher than the soil background values and migrated toward maize plants Chen et al (2017) monitored that coal gangue filling increased the heavy metal contents of the overlying soils, especially for soils at depths of 20–40 cm and 40–60 cmSoil reconstruction and heavy metal pollution risk in reclaimed