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Underground Longwall Coal Mining

SME Presentation 2012

Michaela Crum

on 10 October 2012

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Transcript of Underground Longwall Coal Mining

Thank you for your attention! A long wall of coal is being mined in a single slice Underground Longwall Mining 101 Underground Longwall Coal Mining
and Computer Modeling Michaela Crum
Geological Engineer Safest form of underground coal mining

High coal recovery (80%)

Productive and cost effective Must have favorable geological conditions:
Large coal reserve
Coal seams are flat & uniform
Good roof & floor conditions
Reasonable methane gas content Equipment Anatomy of a Longwall Mine Maingate Gate Roads Bleeders Setup Room Recovery Room Benefits Longwall Plow Shearer Shields Continuous Miner Shuttle Car Timing and Planning Equipment Typical Delays
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