Discussion on Application of IOT Technology in Coal Mine ...

2012-1-1 · Introduction In recent years, situation of safe production in coal mines of China is significantly improved, but it is still serious. From 2005 to 2009, 57,106 accidents occurred totally, among which 11,308 are accidents in coal mine, accounting for more than 20%. Number of serious accident of coal mine reaches to 176, as 4101 people died.

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Application Overview of Membrane Separation Technology …

2021-5-8 · Treating mine water as a resource is the only way to alleviate water shortage and the environmental pollution issues generated at mining sites in areas of northern and western China. By investigating 77 coal mine water treatment stations in western China, we sought to analyze the application status, direct operating costs, and the challenges of using membrane separation …

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SLURRY PUMPS: The most critical asset in the mining ...

2021-5-26 · Slurry pumps are one of the most critical components within the mining industry. For too long, there hasn''t been defined and strategic solutions to ensure their health and longevity. It seems that now, at last, this may well be a thing of the past. Find out more at

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Discussion on Application of IOT Technology in Coal Mine ...

2012-1-1 · Procedia Engineering 43 ( 2012 ) 233 â€" 237 1877-7058 2012 Published by Elsevier Ltd. doi: 10.1016/j.proeng.2012.08.040 International Symposium on Safety Science and Engineering in China, 2012 (ISSSE-2012) Discussion on Application of IOT Technology in Coal Mine Safety Supervision Zhang Yinghua a, Fu Guanghua a, Zhao Zhigang b, Huang Zhian a,*, Li Hongchen b,Yang Jixing b * a …

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Electrodialysis of coal mine water

2021-6-1 · Two cases were investigated: 1) electrodialysis is directly applied in concentration of coal mine water; 2) coal mine water is pre-concentrated in the NF-RO system and then fed to the electrodialysis. Based on the bench-scale experiments, a model describing ions and water transport across the ion-exchange membranes was established.

4 Reasons to Monitor Air at the Mine

2021-8-17 · Accelerating Science Advancing Mining / Coal / 4 Reasons to Monitor Air at the Mine By Marlene Gasdia-Cochrane, Editor 08.17.2021 Coal miners and residents living near mines are being exposed to more harmful dust than previously thought, according to …

Groundwater Hydrogeochemical Mechanisms and the ...

2020-10-10 · Multiple runoff connections for groundwater supply and water quality evolution mechanisms were disclosed using hydrochemistry, multivariate statistics, stable hydrogen and oxygen isotopes, and inverse hydrogeochemical modeling in a multi-layer groundwater system in a north China coal-mining district. Groundwater quality was mainly influenced by dissolution and weathering of carbonate, silicate ...

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