... rock, the superposition of gypsum, graphite, silicon carbide, insulation materials under the Mohs scale 9.3 degree, temperature 6 ... airflow into large whirlwind collector, collect after discharge pipe is a powder. Wind by large whirlwind collector ... , jaw crusher, dustpan hoister,electric motor, etc. R-type pendulum type ring roll pulverizer NameUnitspecifications,technology,performance ...