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Stone Analysis Research Coal Mining Stone

Cdc mining how does limestone rock dust prevent coal ,coal dust explosions in underground coal mines are prevented by generous application of rock dust If an explosion should occur, the rock dust disperses, mixes with the coal dust and prevents flame propagation by acting as a thermal inhibitor or heat sink. To investigate this process in more detail, a number of explosion experiments using various coal dust and limestone rock dust mixes have been carried out at the lake lynn experimental mine