Air Classifier Mill

The Air Classifier Mill is an integrated dry-process ultrafine grinding system combining impact pulverization with built-in dynamic air classification. Widely deployed for NCM (Nickel Cobalt Manganese) ternary cathode material processing, it delivers stepless fineness adjustment, narrow particle size distribution and exceptional agglomerate dispersion capability. An optional ceramic-lined grinding chamber minimizes metal contamination, safeguarding the high purity critical to lithium battery cathode materials. The mill can be seamlessly integrated with precision classifiers, low-contamination conveying systems and coating modification equipment to form a complete closed-loop NCM cathode material production line.

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Air Classifier Mill

How It Works

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

Calcined NCM powder feeds into the grinding chamber via the feed valve, where high-speed rotating impact discs apply controlled impact, shear and collision forces to gently disperse sinter-derived soft agglomerates while precisely regulating primary particle size distribution and strictly controlling D97 / Dmax oversized particles. Airflow conveys the ground NCM particles upward to the integrated turbine classifier. Fine NCM powder meeting specification passes through the classifier and is collected by cyclone separator and bag dust collector, while oversized coarse particles are centrifugally returned to the grinding chamber for re-grinding, creating a continuous closed-circuit grinding cycle. Optional water-cooling jacket for the grinding chamber supports temperature-sensitive processing requirements, particularly critical for high-nickel NCM materials, preserving consistent powder morphology, tap density and electrochemical performance while preventing surface oxidation.

Air Classifier Mill

Technical Parameters

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

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Model Series: JCSM-V	280	350	410	510	630	710	800	900	1000	1100	1250	1500	2000
Grinding motor power (kW)	7.5	11	22	30	37	45	55	75	90	110	160	200	355
Classification motor power (kW)	2.2	3	4	5.5	7.5	7.5	11	15	18.5	22	30	45	55
Particle size (μm)	12~150	12~150	12~150	12~150	10~120	10~120	10~120	10~120	8~120	8~120	8~120	8~120	8~120
Air volume(max) (m³/h)	720	1200	1800	3000	3600	4500	5400	8000	10000	12000	16500	22500	36000

Model Series: JCSM-A	280	350	450	510	710	900	1100	1250
Grinding motor power (kW)	7.5	11	22	30	45	75~90	110~132	160~200
Classification motor power (kW)	1.5	3	4	5.5	7.5	15	22~30	30~37
Particle size (μm)	12~150	12~150	12~150	12~150	10~120	10~120	10~120	10~120
Air volume(max) (m³/h)	600	1200	2400	3000	4500	8000	12000	16000

Model Series: JCSM-L	280	350	450	630	780	1000	1350
Grinding motor power (kW)	11	22	45	75~90	130~160	200~250	250~355
Classification motor power (kW)	2.2	4	11	18.5	30	37~45	45~75
Particle size (μm)	10~100	10~100	10~100	8~120	8~120	1~150	1~150
Output (kg/h)	0.05~0.6	0.1~1.2	0.25~3.0	0.5~6.0	1.0~15.0	1.5~25	2.5~40

Model Series: JCSM-H	280	410	510	630	710	800	900	1000	1250	1500
Grinding motor power (kW)	7.5	22	30	37	45	55	75	90	132	200
Classification motor power (kW)	4	5.5	7.5	11	11	15	18.5	22	30	45
Particle size (μm)	5~150	5~150	5~150	8~120	8~120	8~120	8~120	10~150	10~150	10~150
Air volume(max) (m³/h)	600	1800	3000	3600	4500	5400	6000	7500	12000	16500

Model Series: JCSM-WH	280	400	500	630	800	1000	1250
Grinding motor power (kW)	7.5	22	30	37	55	90	132
Classification motor power (kW)	4	5.5	7.5	11	15	22	30
Particle size (μm)	8~120	8~120	8~120	10~150	10~150	12~150	12~150
Air volume(max) (m³/h)	600	1200	1600	2400	4000	6000	10000