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      CYCLONE SIZING EXPLAINATION              
      Based on Richard A. Arterburn paper                
      (The sizing and selection of hydrocyclones)            
                         
      1 Relationship of D50c to Overflow Size Distribution              
        Required O'flow in % Passing of target size in µ Multiplier to find D50c (application)              
        98,8 0,54              
        95 0,73              
        90 0,91              
        80 1,25              
        70 1,67              
        60 2,08              
        50 2,78              
                         
      2 D50c (application or required)
     
                 
        in µ                
          where Tµ = target size product in µ          
          and M = multiplier in the table above          
                         
      3 Coefficient C1
     
         (see Figure 1)      
          where C1 is the correction factor for the cyclone feed concentration    
          and Sv = % of solids by volume in the cyclone feed        
                         
      4 Coefficient C2
     
         (see Figure 2)      
                         
          where C2 is the correction factor of the cyclone pressure drop      
          and Δp is the pressure drop in kPa          
                         
      5 Coefficient C3
     
         (see Figure 3)      
          where C3 is the correction factor for specific gravity,      
          SGs is the specific gravity of solids in t/m3        
          and SGl is the specific gravity of liquid in t/m3 (1 for water)      
                         
      6 D50c (base) in µ
     
                 
                         
                         
                         
      7 Dc
     
        (see Figure 4)      
                         
          where Dc is the cyclone diameter in cm          
                         
      8 Cyclone capacity Convert the units!     (see Figure 5)      
                         
      9 Number of cyclones equals the total slurry flow rate divided by the cyclone capacity      
                         
      10 Da in cm Apex diameter     (see Figure 6)      
                          
      11 Dv
     
                  
                         
          where Dv is the vortex diameter in cm          
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