Used Mills

Most types of product production lines will have some type of mill or pulverizer for size reduction to make the desired particle size for dry products, wet products, or disperse solids in a slurry. The size reduction occurs either by impact, attrition, or crushing. The capacity of the pulverizer or mill depends on the type of material, and the fineness desired. Pulverizers and mills range in design features for efficient size reduction for a range of products in the chemical, mineral, pharmaceutical and food industries.

The different classifications of Mills are:

• Ball Mills & Pebble Mills – Basically a horizontal tube with balls or stone grinding media, that grinds the material as the tube rotates. Can be batch or continuous, wet or dry grinding.
• Colloid mills – these grind solids in slurry.
• Kady Mills – special type of high energy dispersion mill used to grind particles in slurry.
• Shot, Sand, and Media Mills – typically used in the dye and pigment industries, these incorporate a cylindrical chamber that is filled with small diameter shot or sand and agitated, as the product flows through the agitated chamber. The media grinds the product as it passes through.
• Roll Mills – Can be 2, 3, 4, or 5 rolls, used to disperse pigments in ink and paint by crushing the product between the rolls.
• Raymond Roller mills – Uses a pan and rotating rollers to crush and grind dry products in the pan. Seen in mostly mineral and coal production plants.