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      Roller Press (RP) - Sizing elements          
                   
      Date          
      Society/Plant    
      Mill number        
      Roller Press number        
      Production of the grinding plant            
      Output t/h        
      RP circulation factor          
      RP throughtput t/h        
      Rollers dimensions            
      Rollers diameter m        
      Rollers width m        
      Hydraulic system            
      Cylinders diameter m        
      Cylinders number          
      Operating pressure bar        
      Forces calculation            
      RP force kN        
      RP specific force kN/m2        
      Cakes density            
      Rollers circumferential speed m/s        
      Gap between rollers mm        
      Cakes density t/m3        
      Fresh material density t/m3        
      Fresh material bed width (*) mm        
      (*) above the rollers            
      RP absorbed powers            
      Friction angle αf 
             
      Efficiency (transmissions + motors) %        
      RP absorbed power kW        
                   
      Specific power Q (*) kWh/t        
      (*) vs throughput            
      Specific power QU (*) kWh/t        
      (*) vs output            
                   
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    All rights reserved © 2012-2015 The Cement Grinding Office