FIELD: mining.
SUBSTANCE: impact-tension separator for enrichment of small class coal by dry method a comprises concentrates device, concentrate silos, a frame with secured two-side two-stage roller system of rollers rotating with definite speed. Above rollers through full width the impact plates with gaps corresponding to grain size of the enriched coal are installed.
EFFECT: increased efficiency of enrichment of small class coals by dry method, and improved ecological properties.
2 dwg, 1 tbl
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