TY JOUR TI THE DEPENDENCE OF THE ROTATION FREQUENCY OF THE BLADES OF THE WET DUST COLLECTOR AGITATOR ON THE DENSITY OF THE LIQUID KW crusher KW pneumatic system KW dust collector KW analysis KW dust concentration KW density KW efficiency JO Vestnik of Kazan State Agrarian University AU Ivanov, A.G. AU Shirobokov, V.. AU Kalimullin, M.N. PY 2022 IS 17 PB Kazan state agrarian University