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The layout of a coal grinding system must take into account the available heat sources for drying the raw coal as well as the fire and explosion hazards of coal

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ensp 0183 ensp It is open pit mined with three working platforms of 54 m 42 m and 30m respectively The main iron minerals are magnetite and hematite with a total iron grade around 30


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13 ensp 0183 ensp Facility – Cement – On a miner suffered burns to his body when superheated gases carrying hot fine alkaline particles were forcefully expelled through an open process vessel door The victim was on a platform 6 feet above other miners who were setting off a Cardox charge to free a blockage in the vessel He opened the door around the same time they set off the


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Incident Explosive type Quantity Description Loss of explosives None None reported for the month A coal mineworker misjudged the location of a parked unmanned light grinder which ignited the flare and created an explosion

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6 ensp 0183 ensp Apart from the coal itself burning coal shales is becoming a problem in the South African coal mines Serious incidents of spontaneous combustion have been reported as a result of self heating of reactive coal shales

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