Bradley Pulverizer manufactures pulverizing mills - centrifugal ring-roll type pulverizers. They consist of three pendulum-type roll assemblies suspended from a rotating carrier. Centrifugal force, created by the rotation of the carrier, causes the roll assemblies to swing outward causing the roller at the bottom of the roll assembly to rotate against the inside of a stationary ring. The material is picked up by plows and directed between the roller and ring where it is ground using a combination of attrition and impact. When the material is ground to the desired fineness, it is sized and discharged from the mill via a screen when semi-fine grinding or via air when fine grinding. www.bradleypulverizer.com