FIELD: mining industry; forming of coal piles.
SUBSTANCE: according to invention, coal is separated before transportation into small and large fractions, and small-size coal is packed in bags in amount of 5 - 15% of total mass of carried coal. Guard walls are formed from said bags on base of place designed for keeping the coal, and non-packed coal is placed between said walls. Airtight film is arranged between bags and non-packed coal.
EFFECT: provision of reliable keeping of coal in summer when self-ignition is possible.
2 dwg
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