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
Geological disasters induced by coal gangue Harm
ReviewComprehensive utilization and environmental risks of coal
2019年12月1日 In addition, disorderly stacking of coal gangue may trigger debris flow, landslides and other serious geological disasters, threatening the surrounding ecological environment, life and property safety (Prasad, 1996, Querol et al, 2008)2023年12月8日 In addition, as a result of coal gangue spontaneous combustion, geological disasters such as collapse, landslide, debris flow, and explosion are likely to occur under high Detection of Spontaneous Combustion Areas of Coal Gangue 2019年5月10日 Underground coal mining could lead to mining related environmental issues such as water loss [1], soil erosion [2], land subsidence [3], damage of vegetation [4], building The role of gangue on the mitigation of mininginduced hazards 2021年9月2日 Mine geological disasters are caused by a large number of mining wells and rock and soil deformation, as well as serious changes in the geological, hydrogeological, and naturalEcoenvironmental assessment model of the mining area in
Characteristics of Coal Gangue and Present Situation and Prospect
2024年6月4日 The main hazards of coal gangue are environmental pollution, soil, and water pollution, and lead to geological disasters Harm to the atmospheric environment The loose 2024年4月1日 By advancing comprehensive methods for coal gangue utilization, we not only transform coal gangue from solid waste into a valuable resource, maximizing its utility, but also Environmental hazards and comprehensive utilization of solid 2024年9月7日 The direct application of raw coal gangue faces challenges of low active beneficial ingredients, inadequate water and fertilizer retention, presence of potentially toxic Opportunities, challenges and modification methods of coal 2022年11月20日 By analyzing the action process of landslide, debris flow, and other geological disasters on disasterbearing bodies such as coal mine surface plants, living area facilities, Study on the Mechanism and Chain Generation Relationship of
Negative externalities of highintensity mining and disaster
2019年1月24日 The geological disaster is often strongly destructive, causing great harm with a wide range of influence, and makes it easy to induce other accidents, threatening safe 2023年12月15日 Based on the disaster characteristics and the geoconditions at the scene, in this study, the occurrence mechanism of a serious rock burst accident that occurred in the Research on the causal mechanism of a rock burst accident in aestablished the laboratory coal gangue compaction test system and carried out research on the compaction characteristics (such as stressstrain, stress volume density, and stressdeformationEditorial: Mine engineering geological disaster forecasting, 2018年12月19日 The disaster and environmental engineering issues induced by coal mine goafs instability have become one of most important problems threatening safety production and the safty of cicizensDisaster types and environmental engineering issues induced by coal
Geological Disaster an overview ScienceDirect Topics
2010年8月8日 Synchronization of Geophysical Field Fluctuations Alexey Lyubushin, in Complexity of Seismic Time Series, 2018 61 Introduction Random fluctuations in geophysical fields carry important information about the processes occurring in the Earth’s crust, including for preparation for major geological disastersThe synchronization of noise measurements underground coal mining in Shanxi Province, the ground damage grade along with the geological and mining conditions of the disaster sites are listed in Table 1 The characteristics listed in Table 1 are defined as follows: (1) Mining depth: Depth of coal seam burial (2) Loess thickness and geologic map: Thickness ofMain geological and mining factors affecting ground cracks induced In this article,the harm of gangue dump was elaborated systematically,especially the spontaneous combustion of gangue dump,which polluts the air and destroys the water quality and the soilThe major influential factors were analyzed by experiment,and it was made out that the irrational management will lead to geologic disasters such as collapse and explosion and to the Harm of Gangue Dump and Cause Analysis of Spontaneous 2019年8月12日 Sustainable Development of Resources and the Environment: MiningInduced EcoGeological Environmental Damage and Mitigation Measures—A Case Study in the Henan Coal Mining Area, ChinaSustainable Development of Resources and the Environment:
Destabilization mechanism and energy evolution of coal pillar in
2020年6月27日 Rockburst disaster caused by coal pillar poses a serious threat to safety production in advanced mining technology, such as the technology of gobside entry driving, which is employed to develop the mining rate of coal In order to reveal the rockburst mechanism of coal pillar in mines from the view of energy evolution, the bursting liability of coal specimen 2014年9月30日 Coal mining disturbed land is the main sources of land reclamation in China With the rapid increase of economy and coal production, more and more land has been disturbed by construction and coal mining; thus, land reclamation has become highlights in the past 10 years, and China is boosting land reclamation in mining areas Disturbance characteristics Zoning of land reclamation in coal mining area and new 2019年10月18日 Layout of mine work surface of steeply inclined coal seam The average thicknesses of the #43 and #45 coal seams are 375 and 478 m, respectively, and their average dip angle is approximately 45°(PDF) Research on Reducing MiningInduced Disasters by Filling 2021年11月2日 Backfill mining, an underground coal mining technology, can mitigate mininginduced hazards and ecogeological environmental problems by regulating the relationship between the water flowing fractured zone height (WFFZH) and the backfill body compression ratio (BBCR) In this study, using the #15,210 working face in the Hongliulin colliery of the Yushenfu Regulatory relationship between backfill mining and
Detection of Spontaneous Combustion Areas of Coal
2023年12月8日 Spontaneous combustion of coal gangue dumps not only releases toxic and harmful gases, polluting the environment, but also leads to explosion accidents and casualties due to improper handling This paper 2019年1月24日 The geological disaster is often strongly destructive, causing great harm with a wide range of influence, and makes it easy to induce other accidents, threatening safe production of the mining area, such as dynamic disasters occurring during coal mining (rock burst, coal and gas outburst, surface step cracks, etc)Negative externalities of highintensity mining and disaster prevention 2024年9月7日 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 coal gangue properties and global land degradation severity, the resourceful utilization of coal gangue as soil conditioners is believed to be a universally applicable, costeffective, high Opportunities, challenges and modification methods of coal gangue 2021年1月24日 Harm forms indicate pit water inrush showing characteristics, such as abnormal temperature and corrosivity Hysteresis water disasters induced by different passages including faults, Current situation and prospect of coal mine geological guarantee technologies to improve safety and efficiency Coal Sci Technol 35(3) Water Hazards in Coal Mines and Their Classifications
The role of gangue on the mitigation of mininginduced hazards
2019年5月10日 The longterm accumulation of coal gangue has caused great harm to the surrounding environment [4, 5]: 1 A large number of useful land resources (such as cultivated land, forest land, and mining 2013年7月1日 In order to effectively utilize coal gangue and its calorific value (4180–12,540 kJ/kg), coal gangue was converted into energysaved cement by activating at 800 °C with an integrated thermal Improvement on pozzolanic reactivity of coal gangue by 2023年9月13日 Geological disasters are catastrophic events that result from natural processes in the Earth#8217;s crust, including earthquakes, landslides, rock falls, ground fissures, etc These disasters can cause significant damage to infrastructure, property, and human lives,Geological Disaster: An Overview SpringerLinkmethods of geological disasters induced coal mine accidents is relatively scarce Based on investi gating typical cases of secondary coal mine accidents caused by different types of geological disasStudy on the Mechanism and Chain Generation Relationship of Geological
Characteristics of Coal Gangue and Present Situation and
2024年6月4日 The main hazards of coal gangue are environmental pollution, soil, and water pollution, and lead to geological disasters (1) Harm to the atmospheric environment The loose coal gangue piles in the open air will release a lot of dust under the action of wind There are many fine dust particles in the floating dust, but also contains heavy metalsgeological disasters such as landslides and coal gangue debris ows [12] Fortunately, coal gangue is a type of lowcarbon, hard black rock with SiO 2 as its main component, accompanied by abundant trace elements such as B, Cu, Co, Zn, and Mn The Si component of coal gangue is suitable for producing silicon fertilizer, while the presenceSustainable and clean utilization of coal gangue: activation and 2022年2月12日 The treatment of coal gangue solid waste and microbially induced calcium carbonate precipitation (MICP) consolidate technology is a focus of research at home and abroad MICP technology was used to solidify and cement coal gangue particles and endows them with a certain strength The process does not use the traditional cementitious material (Portland Experimental study of microorganisminduced calcium carbonate 2020年3月28日 Dynamic Changes in Surface Damage Induced by HighIntensity Mining of Shallow, Thick Coal Seams in Gully Areas causing geological disasters such as landslides and collapse of gully slopes(PDF) Dynamic Changes in Surface Damage Induced by High
Study on chain relationship and risk assessment model of coal
mine geological disaster chain can be divided into associated geological disaster chain and derived geological disaster chain (Hu et al 2012) The chain of associated geological disasters in mines refers to dierent geological disasters induced by the same factor There is no inevitable connection between each geological disaster2022年4月30日 Geological disasters are mostly located in the mined area of the mine, which mainly shows the characteristics of suddenness, mass occurrence, induction, regional, diversity, and great harm Mine geological disasters often bring heavy casualties and property losses, and their social impact is huge This paper studied the characteristics and inducing factors of Study on chain relationship and risk assessment model of coal 2024年10月25日 In recent years, collapses induced by underground coal mining have drawn widespread attention because of their hazardous nature and severe impact on people The complexity of multicoal seam mining and the deformational destruction of minedout areas render the occurrence of mininginduced collapse disasters an ongoing issue To study the complex Multicoal seam mininginduced collapse and deformation 2019年6月1日 The mining industry is a highrisk occupation and is well known as one of the oldest industries in the world Mining accidents, mining hazards, mining disasters, or mining catastrophes have (PDF) Geological disaster prevention and control and resource
Deformation and failure of a highsteep slope induced by multi
thickness, and many mineable coal seams (Zhao et al 2016) Slope deformation induced by coal mining is manifest as surface subsidence and sliding of the front of the slope, showing a high risk of occurrence of slump (a geological disaster) with great danger Accurately understanding the relationships betweenCoal gangue is one of the largest mine solid wastes in China, and its discharge and stockpiling have caused resource waste, environmental pollution and other problems Starting from the resource characteristics of coal gangue, this paper systematically discusses the ways and research status of coal gangue resource utilization, mainly including: extracting and recovering Research Progress on Comprehensive Utilization of Coal Gangue2024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 ecological and engineering Investigating the compaction and the mechanical behaviors of coal 2021年9月2日 The ecological environment directly affects human life One of the ecological environmental issues that China is presently facing is deterioration of the ecological environment due to mining The Ecoenvironmental assessment model of the mining area in
Application of domestic highresolution satellite data On Geological
2018年1月1日 Rapid development of remote sensing technology has become an important means of geological hazards monitoring Domestic high resolution satellite data such as TH1, ZY3, GF1/2 and BJ2, because 2019年10月18日 Surface filling during the mining of steeply inclined thick coal seams is an efficient method for restraining disasters caused by the cascading movement of overburden rocks This study aims to control rock damage Research on Reducing MiningInduced Disasters by 2012年10月1日 By taking the southern suburban coalmining area of Datong city, Shanxi Province as the study area and based on the preprocessing of SPOT5 images, the geological disaster information is obtained Research of 3S Technology in monitoring Geological Disasters in Coal 2020年3月20日 Sand inrush disaster and ground destruction induced by highstrength mining in the Shendong coal field seriously threaten the normal operation of the mine and cause significant property losses and Main geological and mining factors affecting ground cracks induced
Bacterially induced CaCO3 precipitation for the enhancement of
2022年2月14日 The coal gangue waste from coal mining has always been an urgent environmental pollution [1] Stacking and landfilling are the common practices to dispose coal gangue, which occupies a large amount of land and causes geological disasters and land degradation[2] Therefore, how to effectively recycle coal gangue has become a hot topicDownload scientific diagram The total coal gangue stack quantity with changing parameters β and ϕ from publication: Equilibrium Strategy Based Recycling Facility Site Selection towards Figure 11 The total coal gangue stack quantity with changing2010年3月1日 Coalbased Solumnar coal 33427 093 [48] CBAC 165815 0006 [34] Biomassbased Coconut shell 1687 079 [49] Sugarcane bagasse 1113 05 [50] Apricot stones 1000 na [46] Palm kernel shell 465 063 Environmental issues from coal mining and their solutions2021年1月10日 The harm done to the environment by coal gangue was very serious, and it is urgent to adopt effective methods to dispose of coal gangue in order to prevent further environmental damagePyrolysis characteristics, artificial neural network modeling
Fabrication and application of porous materials made from coal gangue
2023年2月1日 PDF Coal gangue, debris flows, landslides, collapses and other serious geological disasters, which threaten the , The harm of CO 2 is well known, Main geological and mining factors affecting ground cracks induced by underground coal mining in Shanxi Province, China Xugang Lian1 • Haifeng Hu1 • Tao Li2 • Dongsheng Hu2 Received: 29 June Main geological and mining factors affecting ground cracks induced