This machine is a centrifugal dry classifier with secondary air inlet and classification rotor, suitable for the classification of various organic and inorganic substances, and can also separate materials of different densities. The classification range is wide, and the particle size can be freely selected within the range of 5-150 μ m. The micro powder recovery rate is high, and the Newton classification efficiency is 60% -90%. The complete system of the machine consists of an independent unit operating system consisting of a feeder, classifier, collector, bag filter, and high-pressure fan; At the same time, it can also form a closed-loop crushing classification operating system with various crushers, making the processing equipment of ultrafine powder more reasonable and economical.
Technical parameters:

Type	power （KW）	Impeller speed Max（r/mim）	Grading granularity μm	Processing capacity （kg/h）
XWFJ-200	4	4750	5-120	150-1500
XWFJ-315	7.5-11	3800		100-2000
XWFJ-500	11-15	2400		150-2500
XWFJ-630	15-22	2000		300-2500