electromagnetic applications in mining

The application of electromagnetic methods for

Application of electrical and electromagnetic techniques in mining conditions, i.e. for surveys conducted directly from excavations and/or shafts, was presented in mining and geophysical confer-ences, but relatively seldom in the geophysical lit-erature (Cook 1977, Verma & Bhuin 1978, Goszcz & Marcak 1986, Turner et al. 1989, Kotyrba & Ko -

Application of Electromagnetic Method for Mineral

2008-11-24  Electromagnetic measurements are performed either in the frequency domain(FEM) or in the time domain (TEM). Instruments for FEM are designed to per-form investigations for mining engineering and ground water prospecting. TEMmeasurements are conventionally designed for deep targets, but recently thereare instruments that can be used to explore shallow sources (20-500 m)

Electromagnetic Induction Heating Application in Mining

Mining engineering safety detection plays a very important role in mining engineering. A mining safety detection model is designed by using electromagnetic induction heating principle for monitoring the load and the air temperature data. This detection reference model can be used for many areas for mining

MINE TRANSIENT ELECTROMAGNETIC METHOD AND ITS

2007-9-5  MINE TRANSIENT ELECTROMAGNETIC METHOD AND ITS APPLICATION IN CHINA Jian-hua YUE, Zhi-hai JIANG, Zhi-xin LIU China University of Mining and Technology School of Resource and Earth Science, Xuzhou, Jiangsu, CHINA [email protected] ABSTRACT Mine transient electromagnetic method (MTEM) applied to the prediction of the water-

Different applications of magnets in the mining sector

Different applications of magnets in the mining sector. This type of magnetic materials are known in the mining industry as “contaminating ferrous materials” and have the particularity of having the capacity to damage the machinery and reduce its useful life considerably. However, it is possible to install magnetic

Application of Transient Electromagnetic Methods to the

Yanzishan coal mine is a largely coal mine in Tongmei Group Company, extracting the Jurassic Period a coal mine field, there were a lot of gobs water for doubt in coal mine west, tested 0.8 square kilometer by the transient electromagnetic method, using the dipole source (small circle loop) method,a side is 40*40 and 4 circles,due to the

Application in deep mining of gold mine water damage

Application in deep mining of gold mine water damage with a magnetic source transient electromagnetic method Jing Rongzhong1, 1Zeng Youqiang1, Huang Lishan 1China Non ferrous Metal (GuiLin) Geology And Mining Co.Ltd. Guangxi ,China, [email protected]

Electromagnetic Energy Applications in Lunar Resource

Past work during the Apollo Program and current efforts to determine extraterrestrial mining technology requirements have led to the exploration of various methods applicable to lunar or planetary resource mining and processing. The use of electromagnetic energy sources is explored and demonstrated using laboratory methods to establish a proof of concept for application to lunar mining

Electromagnetic flow measurement in mining and

Electromagnetic flow measurement in mining and concentrating mill for copper and molybdenum Application Report Metal & Mining Measurement of highly abrasive pulp slurry Use of a flowmeter with abrasion and wear resistant polyurethane liner

Magnetic separation: its application in mining, waste

The use of strong magnetic field gradients and high magnetic fields generated by permanent magnets or superconducting coils has found applications in many fields such as mining, solid state chemistry, biochemistry and medical research.

Application of Electromagnetic Method for Mineral

2008-11-24  Electromagnetic measurements are performed either in the frequency domain (FEM) or in the time domain (TEM). Instruments for FEM are designed to per-form investigations for mining engineering and ground water prospecting. TEM measurements are conventionally designed for deep targets, but recently there

Application of Transient Electromagnetic Methods to the

Yanzishan coal mine is a largely coal mine in Tongmei Group Company, extracting the Jurassic Period a coal mine field, there were a lot of gobs water for doubt in coal mine west, tested 0.8 square kilometer by the transient electromagnetic method, using the dipole source (small circle loop) method,a side is 40*40 and 4 circles,due to the

Application of electromagnetic techniques in survey of

In part of a large abandoned mining complex, electromagnetic geophysical surveys were used along with data derived from cores and monitoring wells to infer sources of contamination and subsurface hydrologic connections between acidic refuse deposits and adjacent undisturbed geologic materials.Electrical resistivity increases sharply along the boundary of an elevated deposit of pyritic coarse

Magnetic separation: its application in mining, waste

2017-7-21  The use of strong magnetic field gradients and high magnetic fields generated by permanent magnets or superconducting coils has found applications in many fields such as mining, solid state chemistry, biochemistry and medical research.

Modeling of whole-space transient electromagnetic

2018-4-10  TII-17-0041 1 Modeling of whole-space transient electromagnetic responses based on FDTD and its application in the mining industry Jingcun Yu, Reza Malekian, Member, IEEE, Jianghao Chang, Benyu Su Abstract—Hidden, water-abundant areas in coal mines pose a serious threat to mine safety and production. Underground transient electromagnetic method (TEM) is one of the most effective

Application of pseudo-random frequency domain

2020-3-16  Application of pseudo-random frequency domain electromagnetic method in mining areas with strong interferences Yan-fang HU 1,2,3, Di-quan LI,Bo YUAN1,2,3, Guang-yun SUO,Zi-jie LIU4 1. Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring,

The General Characteristics of Electromagnetic Radiation

2020-11-4  The General Characteristics of Electromagnetic Radiation During Coal Fracture and Its Application in Outburst Prediction Xue-qiu He, En-yuan Wang and Zhentang Liu China University of Mining and Technology Xuzhou, Jiangsu 221008 P.R. China ABSTRACT Coal and methane outburst are catastrophic in coal mining, their prediction is difficult.

Magnetic Separation in the Mining Industry Mainland

2015-4-29  Magnetic separation is most commonly used in the mining industry to separate “tramp ore,” or unwanted waste metals, from the rest of the bulk material. Tramp ore typically consists of the man-made byproducts created by the mining process itself, such as wires from explosive charges, nuts and bolts, nails, broken pieces from hand tools such

GEOPHYSICAL TECHNIQUES AND THEIR APPLICATIONS IN MINING

Geophysical techniques have wide range of applications mainly in earth science, marine science, civil engineering, hydrology, archeology (Teixidó, 2012)and Forensic Science. For example in earth science they are used and applied in Geology, Mining Engineering activities, and Petroleum Engineering. Historically, geophysical technique (magnetic

Electromagnetic Applications In Biology and Medicine

2021-8-16  Applications of Bio-electromagnetics. There is a further distinction amongst bio-electromagnetic (BEM) devices—whether they are thermal or non-thermal. Certain modalities produce heat in tissues and others do not. Biologic nonthermal means that

Modeling of Whole-Space Transient Electromagnetic

2017-9-14  Hidden, water-abundant areas in coal mines pose a serious threat to mine safety and production. Underground transient electromagnetic method (TEM) is one of the most effective means of detecting water-abundant areas in front of the roadway head. Traditional TEM theories and applications are interpreted mainly on the vertical component. In this study, multicomponent responses of TEM in

Effect of Application of Transient Electromagnetic Method

2011-1-1  Application of mine transient electromagnetic method in exploration of water abundance in collapsed column. Coal, 19 (2) (2010), pp. 21-23. CrossRef View Record in Scopus Google Scholar. Li Qua, Yu, Jingcun. Study on application of mine electromagnetic technology in detection of water abundance in roof of excavation working face.

Application of transient electromagnetic method in

2021-5-10  Review the applications of geophysical methods for mapping coal-mine voids[J]. Progress in Geophys. (in Chinese), 33(5): 2187-2192, doi: 10.6038/pg2018BB0294. 12 Yang J M, Wei Z Z.2014. The application of the methods of high density resistivity method and transient electromagnetic to detecting coal mining goaf and to inspect grouting effect[J].

Application of transient electromagnetic method to probe

A sink hole was exposed in the mining operation of 31212 coal mining face in Yuanzhuang Mine of Huaibei Coal Mining Group.In order to ensure the safety production and to further investigate the influence area and water bearing condition of the sink hole,the transient electromagnetic method was applied to probe the sink hole.The method has confirmed the influence area and water conductivity of

Engineering science Application of transient

2015-8-31  Engineering science Application of transient electromagnetic method in coal mine fire detection . Miao Xin1, Hongqing Zhu1, 2, Mingrui Xiang1, Yaguang Zhang 1, Danlong Liu1 . 1State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China

Time-domain Electromagnetic Computer Modeling in a

2019-1-14  Radial Magnetic Field Tangential Electric Field Vertical Magnetic Field Fig.2: Idealized resistivity log highlighting the typical major near mine geological layers, their depths, thicknesses, and resistivities. There are several ways to represent TEM data. One of which is to observe the decay of the magnetic field in time.

Magnetic Separation in the Mining Industry Mainland

2015-4-29  Magnetic separation is most commonly used in the mining industry to separate “tramp ore,” or unwanted waste metals, from the rest of the bulk material. Tramp ore typically consists of the man-made byproducts created by the mining process itself, such as wires from explosive charges, nuts and bolts, nails, broken pieces from hand tools such

Electromagnetic survey to constraints ore mining

The present work is based on data of a geophysical survey of the Imiter inlier that was carried out by DIGHEM V multi-coil, multi-frequency helicopter-borne electromagnetic system. Its main goals are (i) to interpret the results of this survey in light of regional geological settings; (ii) to define how geological factors controlled mineralization in the world-class Imiter silver mine, which

Magnetic separation: its application in mining, waste

2017-10-1  The use of strong magnetic field gradients and high magnetic fields generated by permanent magnets or superconducting coils has found applications in many fields such as mining, solid state chemistry, biochemistry and medical research.

3 Technologies in Exploration, Mining, and Processing

1 天前  • application of existing petroleum and geothermal drilling technologies to minerals sector (directional drilling, better bits, down-hole logging) b • novel drilling techniques (e.g., improvements in slimhole drilling and in-situ measurements) a Highest priority for this category. b Has applications for other aspects of the mining

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