The classification device is composed of pneumatic classifier, cyclone, collector , induced draft fan,control cabinet etc . Equiped with second air inlet and vertical impeller rotor ,the materials are fed in visa the bottem roller under the force generated from the induced draft fan and then mixed with first input air to disperse particle and then brought to classifying zone .

Owing to the high rotary speed of classifying rotor, the particles are under the centrifugal force produced by the rotor and centripetal force generated from induced draft fan . When the centrifugal force is stronger than then centripetal force , the coarse particles fall down along inside roller. the second air is induced to sieve the coarse materials and seperate the fine powder that stick on or mixed with coarse . after the coarse material is discharged from classifier . the over -milled powder are collected by the cyclone and pulse collector .

Characteristics:
1. With special design for classifying structure and its high classifying precision, it can block big granule strictly.
2. To get the required product, you can adjust the classifying wheels rotary speed and air inlet. It features with large classifying scope.
3. Vertical single rotor with low speed, steady run, high efficiency and capacity.
4. With multi-series structure, it can get different size products to meet requirements.

Series GF Pneumatic Classifier Technical Parameter

Model	Capacity(KG)	Classifying Efficiency(%)	product size(um)	power (KW)
GF010	10-50	70-90%	D97=5-50	7
GF020	50-350			15-19
GF050	100-800			25-30
GF100	300-1500			41-48
GF200	500-4000			63-73
GF400	2000-8000			97-120
GF500	3000-12000			140-169

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