• Air Classifying Mill MJW-W
  • Air Classifying Mill MJW-L
  • Air classifying mill MJW-A
  • Air classifying mill MJL-W

Air Classifying Mill

Integration of grinding and classifying

  • Integration of grinding and classifying, classifying wheel is adjusted to obtain ideal particle, and the classifying rotor can be installed horizontally or vertically.
  • Different types of grinding disc are used based on characteristics of materials to obtain different grinding forces and improve grinding efficiency.
  • Key parts are made of ceramic, ensuring non-contact with metal throughout the grinding for high purity of the final product.
  • It can produce products with multiple particle sizes at one time; grinding is in closed system, low dust and noise, clean and environmentally friendly production process.

According to different materials and application industries, the production capacity and particle size range will be different.

Please contact our engineers to customize the equipment for you. Our experts will contact you within 6 hours to discuss your needs for machine and processes.

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Working Principle

Air Classifier Mill: The material is uniformly sent into the grinding chamber by the feeding system, and is strongly impacted by the high-speed rotating grinding disc. At the same time, it is subjected to the centrifugal force to collide with the crushing ring gear, and is subjected to various comprehensive forces such as shearing, friction, and collision. The material is ground, and the crushed material moves to the classification area with the airflow. The coarse and fine materials are separated through the classification wheel adjusted by the frequency conversion. The products that meet the fineness requirements enter the cyclone collector and the dust collector with the airflow for collection, and the coarse particles return to the grinding area to continue shattered.

Technical Parameters

Technical parameters of MJW-L series air classifying mill

Parameter / Model 300 400 500 700 800 900 1000 1100 1250 1500 2000
Diameter of grinding disc (mm) 300 400 500 700 800 900 1000 1100 1250 1500 2000
Speed of grinding disc (rpm) 7500 4800 4200 3000 2800 2350 2100 1920 1800 1500 1120
Grinding motor power (kW) 7.5 22 30 45 55 75~90 90 110~132 160~200 250 355
Classification motor power (kW) 2.2 4 5.5 7.5 7.5~11 15 15~22 22~30 22~37 45~55 55~75
Rotation speed of classifying wheel (rpm)(max) 4500 3250 3000 2920 2500 2200 2000 1800 1800 1500 1150
Air volume (m³/h)(max) 700 1800 3000 4500 5400 8000 10000 12500 16500 22500 36000
Product fineness (μm) 5~300 5~300 5~300 5~300 5~300 5~300 5~300 5~300 5~300 5~300 5~300
output (kg/h) 2~100 10~1000 15~1500 20~2000 25~2500 40~4000 45~4500 60~6000 75~7500 100~10000 15~15000

Technical parameters of MJW-W series air classifying mill

Parameter / Model 300 400 500 600 700 1000 1100 1250 1500
Diameter of grinding disc (mm) 300 400 500 600 700 1000 1250 1500
Speed of grinding disc (rpm) 7500 4800 4200 3500 3000 2100 1800 1500
Grinding motor power (kW) 7.5 22 30 37 45 75~90 132~160 200~250
Classification motor power (kW) 3 5.5 7.5 15 15 22 30 45
Rotation speed of classifying wheel (rpm)(max) 8500 6000 4650 4000 3300 2400 1900 1500
Air volume (m³/h)(max) 600 1800 3000 4000 4500 7500 12000 16500
Product fineness (μm) 5~300 5~300 5~300 5~300 5~300 5~300 5~300 5~300
output (kg/h) 2~100 10~1000 15~1500 18~1800 20~2000 45~4500 75~7500 100~10000

Technical parameters of MJW-A series air classifying mill

Parameter / Model 300 450 500 700 900 1100
Diameter of grinding disc (mm) 300 450 500 700 900 1100
Speed of grinding disc (rpm) 7000 4350 3850 2760 2350 1920
Grinding motor power (kW) 7.5 22 30 45 75~90 110~132
Classification motor power (kW) 1.5 5.5 5.5 7.5 15 30
Rotation speed of classifying wheel (rpm)(max) 4500 3200 3000 3000 2200 2000
Air volume (m³/h)(max) 600 2400 3000 4500 8000 12000
Product fineness (μm) 5~300 5~300 5~300 5~300 5~300 5~300
output (kg/h) 5~100 20~1000 30~1500 40~2000 80~4000 120~6000

Technical parameters of MJL-W series air classifying mill

Parameter / Model 500 600 800 1000 1250 1500
Diameter of grinding disc (mm) 500 600 800 1000 1250 1500
Speed of grinding disc (rpm) 4200 3380 2800 2100 1800 1500
Grinding motor power (kW) 30 37 55 90 160~200 250
Classification motor power (kW) 5.5 7.5 7.5~11 15~22 22~37 37~45
Rotation speed of classifying wheel (rpm)(max) 4650 4000 3000 2400 1900 1500
Air volume (m³/h)(max) 3000 4000 5400 10000 16500 22500
Product fineness (μm) 5~300 5~300 5~300 5~300 5~300 5~300
output (kg/h) 15~1500 20~2000 25~2500 45~4500 75~7500 100~10000

Note: The production capacity is closely related to the particle size, specific gravity, hardness, moisture and other indicators of the raw materials. The above parameters are for reference only, please consult our engineers for details.

Machine detail pictures

Show the machine details related to the Air Classifier Mill, the details determine the quality.

Air Classifier Mill detail
Air Classifier Mill detail
Air Classifier Mill detail
Air Classifier Mill detail

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our experts will contact you within 6 hours to discuss your needs for machine and processes.