Coal Pulverizer – Power Plant | Pall Corporation
Ball-Tube Mills. This type of mill consists of a rotating tube filled with cast alloy balls. Coal is introduced through two hollow trunnions on each side of the tube. ... (See diagrams on back page) The majority of pulverized coal particles are in the 4-30µm range, with 70% of these particles smaller than 10µm. ... When upgrading in-line ...