... 400-1500kg/h; coal powder:1000-10,000kg/h 3.Shape: ball, oval,pillow... Double-roll type press machine:This ... become larger. When the material to the two rollers rotating line contact point, the pressure of materials has reached ... -shaped ball, square-shaped ball, columnar-shaped ball, banding-shape ball, cake-shaped ball, etcTechnical Data:Charcoal powder: ModelRoller DiameterPowerCapacityT290290mm5 ...