Qingdao Epic Powder Machinery Co., Ltd.
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Environmental Protection Quartz Air Classifier Mill Grinding Machine
Air Classifier Mill, represents one of the most universal milling systems available. With its combination
of an impact milling rotor and an integral dynamic classifier, each with independent variable speed
drives, the MJW can process a variety of materials and produce a wide range of particle sizes. By
simple adjustment of the classifier speed, the air classifier mill can make various cut points of
20 – 120 µm typically.Manufactured in both carbon steel and 304/316L stainless steel, the
classifier mill is used in all industries from chemicals and minerals to food and pharmaceuticals.
Process Flow Description
Material is fed into the air inlet bypass duct by an inverter controlled feeding device, and
then pneumatically conveyed into the classifier mill. On entering the mill, material is first
presented to the classifier and any “in spec” material passes directly through the classifier
with the conveying air to the product filter.
Coarse material rejected by the classifier falls into the grinding zone between the rotor
hammers and surrounding grinding track. Size reduction takes place until the particles
are fine enough to be ‘picked up’ by the mill internal airflow and are presented once again
to the classifier. This internal recirculation is repeated until the material is fine enough to
pass through the classifier and exit the air classifier mill.
The product is separated from the conveying air in the filter. The product discharges through
a rotary valve and the clean air passes through the filter elements to the system fan and to
atmosphere.
To ensure customer confidence in the capabilities of our equipment and processes, we operate
a comprehensive pilot plant in Qingdao city, China, which includes the Air Classifier Mill, where
we can run milling trials on your materials.
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