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CSIRO Mathematics, Informatics and Statistics
CSIRO Mathematics, Informatics and Statistics
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| Click on the links below to download the respective pics in zipped format Comminution 06: Stirred Mills Presentation (and slurry PPT) (75MB Zip file) Stirred Mills Report Stage 1 - Issue 1 (10MB Zip file) Stirred Mills Paper 2 - draft 1 (7MB Zip file)
Tower Mill (1.5 kW Kubota pilot mill) ---------------------------------------------------- Height of chamber = 1.2m Diameter of chamber = 0.24m Height of double helix blades = 0.85m Shaft diameter = 0.04m Double Helix Revolutions = 4.7 Blade Pitch = 0.18m Blade Width = 0.05m (measured from edge of shaft) Blade Thickness = 0.013m Clearance b/w helix and chamber floor = 0.04m Speed of helical stirrer = 100 rpm Number of particles = 29,872 Particle Density = 2700 kg/m^3 Bed weight = 58.36 kg Size range = -14 + 9mm (equal mass weighted) spheres ------------------------------------------------------------------------------------- Vertical Stirred Mill (7.5 kW Sala Pin Mill) ------------------------------------------------------- Height of chamber = 0.79m Diameter of chamber = 0.28m Height of Agitator = 0.745m Shaft diameter = 0.1m 4 columns of pins (2 sets that are vertically offset by 52mm from each other) Pin diameter = 0.023m Pin length (from edge of shaft) = 0.05m Pin spacing (from 1 to the next in each column set) = 0.1m Speed of Agitator = 250rpm Number of particles = 61,625 Particle Density = 2700 kg/m^3 Bed Weight = 44.60 kg Size Range = 8mm spheres |