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
A brief discussion on the geological environment of mines
Mine geological environment, Main problems and protection of
2022年12月29日 Based on the theories of environmental science, mining geology, environmental engineering, rock mass mechanics, hydromechanics, and disaster mechanics, View Author Publications2023年4月25日 Subsidence in mines entails in vertical and horizontal movement of ground and it forms in cracks, troughs or sag and sinkhole subsidence This paper provides a comparative A brief review paper on mining subsidence and its geo This paper summarizes the main problems of geological disasters, environmental pollution and ecological destruction in mine geological environment governance, and analyzes the Discussion on Mine Geological Environment Management in China
Discussion on Geological Environment Problems and Restoration
This paper studies the current mine geological environment problems and their impact degree, and then predicts and evaluates the mine geological environment problems which may be 2024年1月1日 Based on the theories of environmental science, mining geology, environmental engineering, rock mass mechanics, hydromechanics, and disaster mechanics, the study of Mine Geological Environment SpringerLink1997年1月1日 In an ongoing and intense public debate about mining and its perceived environmental impacts, the mining industry points out that there are many examples of The Environmental Geochemistry of Mineral Deposits: Part A: 2005年12月1日 In the existing theories and technology conditions and aiming at the characteristics of mine geological environment, this paper solve the problem of unified visual Mine environmental geology and mine geological environment
(PDF) Geomorphic Perspectives on Mining Landscapes, Hazards,
2021年1月1日 Understanding and effectively applying geomorphic principles are important for preventing or minimizing the negative effects of mining This chapter discusses the types and 2021年2月15日 This paper reviews the theoretical research on the prevention and control of mine geological environment in Northwest China, exploration of survey and evaluation Investigation and Preventive Research of Mine Geological 2024年1月1日 Mine geological environment survey is an activity that uses methods such as data collection, remote sensing interpretation, field investigation, sample collection and testing, and Mine Geological Environmental Survey SpringerLink2007年7月5日 The Geological Strength Index (GSI) is a system of rockmass characterization that has been developed in engineering rock mechanics to meet the need for reliable input data related to rockmass (PDF) The Geological Strength Index (GSI): A
A Brief Discussion on "EcoGeology Semantic Scholar
This paper advocates a research into the relationship between geological environmental effect and the dynamic equilibrium in terms of the control of geology background over ecosystem, the Geohazards along fragile belts of ecogeology, the ecosystem of rocksoilwaterplant, the soil geochemistry and the ecological agriculture, the influence of human activities on eco 2024年7月21日 The geoenvironment of mines is not controlled by one single factor, but by multiple socionatural factors Based on previous literature (Wu et al, Citation 2022 ; Xi et al, Citation 2021 ), geological condition of the HMA, and data collected by our research group, 17 factors were finally selected to form the outer layer of the assessment system (see Figure 7 )Full article: A multicriteria assessment system for the influence of 2024年6月5日 Fault structures can cause a bad mining environment and increase the stress of surrounding coal pillar faults The study investigates the stress evolution characteristics within fault structure groups and their surrounding coal pillars and explores the extent to which these fault structure groups influence the stress distribution in coal pillars Based on three Study on the Application of Finite Difference in Geological Mine2021年9月2日 The more serious geological environmental problems that have occurred in mines are mainly distributed in Gongyi city, Henan Province, China, as follows: (1) openpit mines, which have a large Ecoenvironmental assessment model of the mining area in
Study on the Identification Method of Planar Geological MDPI
2024年10月27日 The underground detection environment in coal mines is complex, with numerous interference sources Traditional groundpenetrating radar (GPR) methods suffer from limited detection range, high noise levels, and weak deep signals, making it extremely difficult to accurately identify geological structures without stable feature feedback During research, it 2011年1月1日 Environmental Impact Assessment is the process of evaluating the effects caused by a project on the environment The outcomes generated by this assessment can lead to a reduction of the negative (PDF) Environmental Impact Assessment Of Mining Activities2012年12月30日 Mining activities produced a lot of abandoned mine land This paper introduced the theoretical and technical progress of ecological restoration of surface coal mines, mining subsidence land and Ecological Restoration of Abandoned Mine Land in China2023年4月3日 Taking Erdaojiang and Dongchang District of Tonghua City, Jilin Province as examples, this paper studies the ecological environment restoration and governance model of their mining areas In this paper, the vegetation cover (NDVI) data in the past ten years were selected from the study area The Theil–Sen median and Mann–Kendall (MK) methods were Study on the Restoration of Ecological Environments in Mining
Geological disaster prevention and control and resource
2019年2月23日 1 INTRODUCTION Geological hazards are classified as natural hazards according to their causes In addition to geological hazards’ damages to personal and property safety, the subsequent series of secondary disasters will bring greater losses to people []Since the 21st century, the economic development of China has been more and more rapid, at the 2021年3月22日 In order to explore the effective method for the comprehensive evaluation of ecological environment quality of environmental pollution governance in China’s coal mining areas, based on the review of domestic and foreign research literature and the requirements and actual situation of environmental pollution control in China’s coal mining areas, this paper Comprehensive evaluation of ecological environment quality 2021年2月15日 The geological environment of mines has dual attributes of resources and environment CHEN Huaqing, YANG Min, ZHANG Jianghua, et alA tentative discussion on the risk evaluation of slag debris flow based on disasterresisting capability:A case study of the Xiaoqinling gold mining area[J] Geological Bulletin of China, Investigation and Preventive Research of Mine Geological Environment 2024年7月20日 Mining activities in coal mining areas have exacerbated ecological and geological environmental risks To explore the impact of mineral resources on the ecological and geological environment risk (EGER) in coal Ecological and Geological Environment Risk
Analysis of the Coal and Gas Outburst Mechanism from the
2021年7月5日 1 Introduction Coal and gas outbursts (hereinafter referred to as outbursts) are a kind of sudden dynamic disaster in underground coal mines which have complicated processes [1, 2]Since the catastrophe process is accompanied by considerable failure effect, outbursts are a great threat to safety exploitation of coal resources, thus becoming a wide concern around the 2022年7月29日 In this study, two districts, Erdaojiang District and Dongchang District, in Tonghua City, Jilin Province, were evaluated for their geological environment carrying capacity A total of 14 evaluation indicators were selected from the three aspects of the geological environment, ecological environment, and social environment to make it more comprehensive Research on the Evaluation of Geological Environment Carrying These Provisions aim at protecting the geologic environment of mines, reducing the damages to the geologic environment caused by the survey and exploitation of mineral resources and promoting the reasonable development and utilization of mineral resourcesProvisions on the protection of the geological environment of mines Abstract A review of the behaviour of radon in the geological environment is presented The general geochemistry of the element is described and the factors controlling its emanation from minerals and rocks and into the disperse phases itemized A brief summary of analytical procedures for the analysis of the radon isotopes in waters and soil gases is given The Behaviour of radon in the geological environment: a review
Characteristics of Water Hazards in China’s Coal Mines: A Review
2021年3月26日 China’s coal mines face very complicated hydrogeological conditions and are affected by many complex water hazards Based on the condition of the coal seams and an analysis of regional hydrogeological and geological conditions, China's coalproducing regions have been divided into six major hazard regions This paper summarizes the filling conditions PDF On Jan 1, 2011, Anna Gogolewska published Surface and underground mining technology Find, read and cite all the research you need on ResearchGateSurface and underground mining technology ResearchGate2023年4月1日 This paper provides a comparative discussion of various techniques employed for assessing mininginduced subsidence and its effects on the surrounding environment(PDF) A brief review paper on mining subsidence and its geo 2019年7月3日 Lithium demand is growing fast, driven by a wide range of battery applications, which are in turn changing the structure of demand, the lithium supply chain and potentially raw material A global overview of the geology and economics of
Study on the Geological Environmental Disturbance and
2022年12月30日 11 Geological and Engineering Conditions of the Target Engineering Xinjiang is the most northwestern province of China, rich in coal resources and fragile ecological environment Xinjiang is located in the middle of Asia and Europe continent, which is an important channel of China's “One Belt, One Road” and the second “AsiaEurope Continental Bridge”2021年10月1日 With the accelerated urbanization and increasingly intense human activities, geological environment degradation has become a key factor hindering the development of green citiesEvaluation on geological environment carrying capacity of de Wit et al (2016) refined the “size” concept of diamond mines of Field et al (2008), introducing a fourTier diamond mine classification system In their definition, diamond mines are characterized by their yearly carat production, as well as the insitu value of diamonds produced over the life of the mineA Review of the Geology of Global Diamond Mines and DepositsPDF On Jan 1, 2022, 广柱 闫 published Discussion on Mine Geological Environment Management in China Find, read and cite all the research you need on ResearchGateDiscussion on Mine Geological Environment Management in
Distribution and ecological restoration of abandoned openpit mines
2022年1月15日 The area of openpit abandoned mines mainly focus on the quarries and transit sites of the mines, with construction limestone and construction sand mines as the main types of mines involved The environmental problems mainly include topography and geomorphological destruction, geological disasters, ecological environment damage and soil and water pollution, discussion methods This paper analyzes the main problems faced by the mine geological environment in China This study found that the geological and geological disasters that occur in mines in China are mainly concentrated in the following types: goaf collapse, rooffall, debris flow and collapse landslide AndEcological Restoration Method of Mine Geological Environment 2019年7月31日 Wang, J: A brief discussion on the contents and methods of hydrogeological survey in groundwater environmental impact assessment Land Resour North China (02), 53–54 (2018) No 83 Google Scholar Gou, S: Application of numerical simulation in mine geological environmental impact assessment World Nonferrous MetEcoEnvironmental Geological Evaluation of Environmental Impact 2021年12月9日 Geological structures such as faults and dykes are one of the main contributors of catastrophic rock and/or coal burst events in underground mines This study focuses on the impacts of faults on burst proneness in development roadways using the Universal Distinct Element Code (UDEC) A sensitivity analysis on the influence of fault proximity to a roadway Numerical investigation of impacts of geological faults on coal
Deep seabed mining: Frontiers in engineering geology and environment
Ocean mining activities have been ongoing for nearly 70 years, making great contributions to industrialization Given the increasing demand for energy, along with the restructuring of the energy supply catalyzed by efforts to achieve a lowcarbon economy, deep seabed mining will play an important role in addressing energy and resourcerelated problems in the future Under the background of China’s “carbon peak” and “carbon neutralization” objectives, China has put forward new requirements for mine geological environment governance On the basis of consulting a large number of literatures, this paper sorts out the relevant policies of mine geological environment protection and governance in China, and clarifies the importance of Discussion on Mine Geological Environment Management in 2023年4月25日 Subsidence in mines entails in vertical and horizontal movement of ground and it forms in cracks, troughs or sag and sinkhole subsidence This paper provides a comparative discussion of various techniques employed for assessing mininginduced subsidence and its effects on the surrounding environmentA brief review paper on mining subsidence and its geoenvironmental 2011年5月1日 In order to reduce model complexity, principal component analysis (PCA) was performed to determine the weight of each parameter on methane emissions Below is a brief discussion on the influence of individual parameters on methane emissions in coal mines and the results of PCA to determine the most influential parametersCoal mine methane: A review of capture and utilization practices
Construction Practices of Green Mines in China MDPI
2024年1月4日 To maintain highlevel economic development, protect the ecological environment, and achieve carbon peaking and carbon neutrality goals, the construction of green mines has become a critical issue in China In this study, the importance of mineral resources to human society is discussed, and the construction experiences and sustainable development 2019年10月24日 Third, many operational mines do not have a good record of the environmental i mpacts even when there is evidence that such impacts have already emerged in its operations The cause isEnvironmental Impacts of the Mining Industry : A literature review2023年3月21日 I am in the process of gathering previously published data concerning geological aspects that play a crucial role in selecting the appropriate dam site and building its foundation(PDF) GEOLOGICAL FACTORS IN DAM SITE SELECTION: allocated mines without auction 3 The system does not incentivize market efficiency The auction system should be used for fully prospected deposits only, and without any distinction between captive and noncaptive mines, so that a free market for ores develops and the resources are used most efficiently taking into account forces of supply andAugust 2019 The Energy and Resources Institute
Environmental Impact of Coal Mining: A Discerning Review
2012年1月1日 Because of largescale destruction of natural areas due to mining operations, a restoration strategy is needed as a part of the overall mining management planThe Lavrion area corresponds to the western part of the AtticCycladic metamorphic belt, in the backarc region of the active Hellenic subduction zone Between the Eocene and the Miocene, metamorphic rocks (mainly marbles and schists) underwent several stages of metamorphism and deformation due to collision and collapse of the Cycladic belt Exhumation during the Miocene The Lavrion Mines: A Unique Site of Geological and Mineralogical MDPI2020年8月13日 42 Research on Ecological Restoration Methods of Mine Geological Environment Management Based on SpatioTemporal Big Data Under the background of spatiotemporal big data, the ecological restoration methods of mine geological environment governance are sorted out, and the results are shown in Table 1Ecological Restoration Method of Mine Geological Environment