Air Classifier

This air classifier is a standalone dry grading unit customized for kaolin processing, commonly paired with ceramic ball mills. Fineness is controlled via stepless turbine speed. It sorts fine qualified kaolin powder and oversized agglomerates by centrifugal force, producing narrow PSD finished kaolin with stable performance for coating, rubber and electronic fillers.

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Air Classifier

How It Works

Technical breakdown of the core processes and technology behind Air Classifier.

Crushed kaolin mixed powder is transported into the grading chamber via air conveying pipeline. Secondary regulating air feeds from the lower side to form steady swirling airflow suspending kaolin flakes evenly.

The central high-speed turbine wheel creates strong centrifugal field. Fine, thin kaolin particles follow airflow through blade gaps and go to cyclone & bag collectors as finished products. Thick agglomerated kaolin chunks gain large centrifugal inertia, hit the chamber wall, slide down and return to the grinding host for re-crushing.

Adjusting turbine speed and auxiliary air volume changes cut point, precisely controlling kaolin fineness and reducing oversize particles to meet different filler grade standards.

Air Classifier

Performance Features

Uncompromising performance and innovative design, optimized for high-efficiency production and durability.

Vertical Eddy Current Classifier — High-Throughput General-Purpose Type

Suitable for mass production of common kaolin fillers. Uniform air intake from all sides fully disperses flaky powder, delivering high classification efficiency, low pressure drop, and low equipment investment & operating cost. It is the mainstream supporting solution for ceramic ball mill dry processing lines.

Horizontal Turbine Classifier — High-Precision Ultrafine Type

Designed for high-end ultrafine kaolin below D97 6μm. Single-side air intake and cantilever-mounted classifier wheel deliver sharp particle cut point with minimal oversized residue, stably producing submicron narrow-distribution powder for electronic, cosmetic and other high-purity high-value applications.

Air Classifier

Technical Parameters

Air Classifier defines excellence through quantified data, meeting the most stringent requirements of high-precision material processing.

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Model Series: JCSF-V	250	320	400	450	500	570	630	700	850
Particle size (D97 μm)	6~50	6~50	8~60	8~60	10~80	10~80	12~100	12~100	12~100
Processing capacity (kg/h)	50~300	80~500	120~750	150~1000	200~1200	300~1500	380~1800	500~2200	700~3000
Classifying wheel Speed (r/min)	500~5000	400~4000	360~3600	340~3400	310~3100	270~2700	240~2400	220~2200	180~1800
Classifying wheel Diameter (mm)	250	320	400	450	500	570	630	700	850
Motor power (kW)	4	7.5	11	15	22	30	37	45	55

Model Series: JCSF-H	60	100	140	230	230/4	260	315	315/4	315/6	500	630
Particle size (D97 μm)	3~50	4~100	4~100	5~120	4~70	5~120	6~120	5~120	5~120	8~120	10~150
Processing capacity (kg/h)	3~100	50~200	70~300	200~1000	600~3000	250~1000	500~2500	1500~7500	1500~7500	1250~8000	2800~19000
Classifying wheel Speed (r/min)	1500~18000	1150~11500	1000~8500	600~6000	600~6000	500~4800	400~4400	400~4400	400~4400	240~2400	160~1600
Classifying wheel Diameter (mm)	60	100	140	230	230	260	315	315	315	500	630
Motor power (kW)	1.1	4	4	5.5	22	7.5	15	60	90	22	30