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      Mass balance - Mill in closed circuit
      Airswept mill        
      Static separator and cyclone        
               
      Date      
      Company/Plant
      Mill number    
               
      Reference sieve in microns
    µ    
               
      Mill output t/h    
               
      Results of the sampling        
      Cumulated residues of fresh feed %    
      Cumulated residues of mill outlet %    
      Sample taken inside the mill!        
      Cumulated residues static tails %    
      Cumulated residues cyclon(s) fines %    
      Cumulated residues filter outlet %    
      Cumulated residues finished product   %    
      Cumulated residues on the reference sieve!        
               
      Cyclone efficiency %    
      Hypothesis - Selected value!        
      Cumulated residues cyclone inlet %    
      Cumulated residues static fines %    
               
      Static circulating factor      
      Static efficiency %    
               
      Calculated flows:        
      Inside mill flow t/h    
      Mill outlet output t/h    
      Static inlet output t/h    
      Static tails output t/h    
      Static fines output t/h    
      Cyclone inlet output t/h    
      Cyclone fines output t/h    
      To filter output (gas of cyclone) t/h Percentage:  
      Filter output t/h %
      Finished product t/h    
               
      Reduction ratio in the mill on: µ    
      Cumulated residues at mill inlet %    
      Reduction ratio      
     
     
           
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
      NB: In the calculation, the efficiency of the filter is assumed to be 100%    
               
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    All rights reserved © 2012-2015 The Cement Grinding Office