underground coal mine
Application of geographical information system in underground coal mine to assist operational management
... The project intends to acquire a vast amount of data from several sources to be geocoded into the existing system. Some data will be linked through a database to the GIS. The acquired data will increase the capabilities ...
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Application of Directional Borehole Grouting Technology to Structural Complex Foor Reinforcement in Deep Underground Coal Mine
... The third limestone in the study area was the thin limestone aquifer with the highest water abundance in the first limestone to the fourth limestone of the upper part of the Taiyuan formation, also constituting one of ...
20
Energy Consumption of Mine Haulage Drive System in an Underground Coal Mine – A Case Study
... 273 The technical details of mechanical and electrical drive system -1 and drive system -2 are same. The corresponding experimental data are presented in table IV and V, for down the gradient and up the gradient of ...
7
A Measurement of Medium Range of Underground Coal Mine Using Wireless Sensor Network
... subversive coal mine by using the transceiver ZigBee wireless ...terminal underground soil erosion can also monitor the main station of the coal mine ...the coal via ultra limit ...
6
The Personnel Positioning Method of Underground Coal Mine
... The underground is mainly composed of roadway, goaf and other functional areas represented by chamber (represented by chamber ...strip. Coal mined-out area is rectangular distribution, the area is large, ...
5
Simulation of Performance of the Longwall in Underground Coal Mine
... in underground coal mine is ...a coal seam model. The main goal of the simulation for coal mining technological processes in stoping face is the evaluation of productivity of a ...
6
Genus Pronephrium Presl 1851 (Thelypteridaceae) in Romania
... an underground coal mine) and from the Miocene sediments of the Bozovici Basin (Lighidia open cast mine), showing a series of morpho- logical variations during the Oligocene–Miocene time ...
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A Proposal of Open Pit Coal Mine at the Northern Part of Barapukuria Coalfield, Dinajpur, Bangladesh
... Barapukuria underground coal mine work has to be suspended several times due to water in rush in the mine, land subsidence, roof collapse, methane emission etc, so due to that it could not be ...
7
Surface movement above an underground coal longwall mine after closure
... the underground coal mine of Houthalen was analyzed based on Interferometry with Synthetic Aperture Radar (In- SAR) ...the coal strata after the flooding of the underground work- ...
15
A Review of Mine Rescue Ensembles for Underground Coal Mining in the United States
... The type and the level of the activities and protection needs of wildland fire fighters can be considered similar to underground coal mine rescuers. There have been a few research studies reported in ...
12
Effect of coal mining on soil physico-chemical properties of Nokrek Biosphere Reserve of Meghalaya, northeastern India
... 10. Sadhu K, Adhikari K & Gangopadhyay A (2012). Effect of mine spoil on native soil of lower Gondhwana coal fields: Raniganj coal mine areas, India. International Journal of Environmental ...
10
Application of WSN Fire Monitoring System in Coal Mining
... of coal [8-11]. The monitoring of mine fires is undoubted- ly the most important aspect in the above ...Traditionally, underground fire monitoring mostly uses linear temperature ...century, ...
10
Coal mine emergency rescue drill system based on virtual reality technology
... in coal mines is mostly responsible for preventing an accident from becoming ...of underground rescue, train rescue team virtually and strengthen investigation ability of rescue players through a ...
9
A study on the Identification of Factors Affecting the Safe Working State of Coal Miners
... of coal mine operators the last shift state of physiological function, psychological function, professional skills, process reliability and the safety ...
6
Mapping For Literature, Conceptual And Theoretical Framework And Methodology: Case Of Hot Deep Mining Ventilation Engineering Evaluation And Design
... in mine openings and workings (faces) ...the mine openings (shafts or/and tunnels) and workings (faces) and for auxiliary purposes, through tubing or ducting ...a mine is to ensure suitable ...
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Coal Mine Expert System for Prewarming Of Coal Accidents
... all coal accidents, the most serious incident is roof ...in coal enterprises can promote production safely and efficiently, and have brought remarkable economic and social ...
5
ACID Mine Drainage : A Case Study of An Indian Coal Mine
... of mine drainage, physical effects, such as increased turbidity from soil erosion, accumulation of coal fines and smothering of the stream substrate from precipitated metal compounds may also ...
5
Research on Gas Drainage Pump Design and Prevention Measures in Gas-rich Mine
... Tashan Mine, the WIFI network system is used to conduct real-time uninterrupted monitoring of underground ...the underground base station via the auxiliary shaft through the optical fiber, and the ...
6
Applying rock engineering systems (RES) approach to evaluate and classify the coal spontaneous combustion potential in Eastern Alborz coal mines
... Alborz coal mines The Eastern Alborz coal field is located in the Alborz ...Alborz coal mines include two major mining areas: a) Tazareh (including Pashkalat, Kelariz, Razmja and Mamdoheh mines); b) ...
13
Coal Mine Security System
... Coal Mine Security System mainly monitor the parameter in coal mine, like Gas( CH4, CO, etc), Temperature, and so on as well as the main production equipment stop the switch parameter, ...
5