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The FLSmidth OK Mill for Cement and Slag Grinding 10 November 2010 Presentation Content General, Key Points Mechanical features and maintenance Product Quality 10 November 2010 OK Roller Mill 10 November 2010 OK Mill Capacity Range OPC Cement Mill size OK 45-4 OK 42-4 OK 39-4 OK 36-4 OK 33-4 OK 30-4 OK 27-4 OK 25-3 OK 22-3 OK 19-3 50 100 150 200 250 300 350 400 450 t/h 10 November 2010 OK Mill Capacity Range Slag Mill size OK 45-4 OK 42-4 OK 39-4 OK 36-4 OK 33-4 OK 30-4 OK 27-4 OK 25-3 OK 22-3 OK 19-3 50 100 150 200 250 t/h 10 November 2010 OK Mills Installed and Available Power Mill size OK 19-3 22-3 25-3 27-4 30-4 33-4 36-4 39-4 42-4 45-4 Motor size (kW) 675 975 1350 1800 2350 3000 3750 4600 5500 6960 Avail Power (kW) 602 869 1196 1653 2152 2733 3394 4145 4984 5928 Available power is used for capacity calculations in combination with material characteristics and grindability 10 November 2010 OK Mill layout • Simple and space-saving layout • Proven technology based on a license (1993) from Onoda and Kobe Steel, Japan • High efficiency separator • Equivalent or better cement quality than tube mill cement • Energy saving 20% to 40% in kWh compared to Ball Tube Mills • Very suitable for grinding blended cement or slag • Easily controllable particle size distribution • Easy maintenance due to swing-in/out roller support system 10 November 2010 Separator drive Mill outlet OK Roller Mill Details Rotary sluice Separator rotor Mill feed inlet Separator Grinding roller Separator reject Grinding table Roller stopper Mill stand Swing out cylinder Main drive Hydraulic system Unique design developed specifically for cement and slag grinding …… 10 November 2010 OK Roller Mill – Roller and Table profile 10 November 2010 ... Quality 10 November 2010 OK Roller Mill 10 November 2010 OK Mill Capacity Range OPC Cement Mill size OK 45-4 OK 42-4 OK 39-4 OK 36-4 OK 33-4 OK 30-4 OK 27-4 OK 25-3 OK 22-3 OK 19-3 50 100 150 200... 10 November 2010 OK Mill Capacity Range Slag Mill size OK 45-4 OK 42-4 OK 39-4 OK 36-4 OK 33-4 OK 30-4 OK 27-4 OK 25-3 OK 22-3 OK 19-3 50 100 150 200 250 t/h 10 November 2010 OK Mills Installed... /g 10 November 2010 OK mill versus ball mills Specific energy consumption EXAMPLES Plant Cement type Type of mill AA BB CC DD OPC OPC OPC Slag cement BM OK BM OK BM OK BM OK 3200 3200 3700 3700
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