Ball mills pebble type

Various types of equipment are used commercially to manufacture dispersed pigment concentrates or finished dispersion products used by printing ink, and die coatings and plastics industry. These include kneaders or internal mixers close tolerance mills high speed fluid energy mills ball and pebble mills san, bead, and shot mills. 

Basic Operations in Paint Manufacture Oil Absorption and the Milling Process Bulk Properties of Paints Types of Mills for Paint Manufacture Stone and Colloid Mills Roller Mills Ball and Pebble Mills Sand Mills... 

You have seen polished stones of hematite, quartz, etc. These are obtained by tumbling in the same type of mill— the particle size is just bigger. The biggest ball mill is the seashore, where pebbles are eventually changed into sand. 

Media n. Aggregate used to effect dispersion in certain types of production equipment, such as ball, pebble, and sand mills. The media vary in size and composition. Some examples are steel balls, natural stones or pebbles, synthetic ceramic balls, glass beads, and sand. 

Media mill n. Any mill using any one of the various types of grinding media, e.g., sand, steel ball, pebble, etc. 

---