Installation of first treatment of the rough carbons that come out of the mine (Machine-translation by Google Translate, not legally binding)

摘要

Installation of the first treatment of raw coals leaving the mine, characterized in that raw products sifted between 80 and 700-800 mm are poured into a tank full of water, evacuating the wood that floats on the surface of the water. an extractor or by an operator, while the heavy products fall to the bottom and are evacuated by another extractor in a second tank sensibly equal to the first, filled with a liquid of a density such that the stones and irons fall to the bottom and are evacuated by an extractor, while the coals and the mixed float and are collected by an appropriate extractor to be sent to the crushing. (Machine-translation by Google Translate, not legally binding)