Coalbed Methane Release as a Function of Coal Breakup
A. A. ORDIN1, A. M. TIMOSHENKO2
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia 2VostNII Science Center, ul. Institutskaya 3, Kemerovo, 650002 Russia
Keywords: шахта, угольный пласт, фракционный состав, сортность угля, метановыделение, скорость подвигания очистного забоя, mine, coalbed, breakup, coal sizing, methane release, production face advance
Abstract
The authors give theoretical and actual evidence of reduction in absolute methane release under higher rates of advance of production face in coal mines. The parabolic relation between methane release, feed speed and productivity of cutter-loader is evaluated.
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