xxxx
233 posts
TimePosted 02/07/2017 17:50:03
xxxx says

poor grinding efficiency of cement grinding

dear all,

my combicircuit mill is deteriorated from 270 tph to 230 tph along with reduction in fineness from 3500 to 3100 blaine.

ball mill inlet blaine 55 to 65 

ball mill outlet blaine 100 to 110

rolers seems to be okay 

gr. media is full

iaball mill is monochamber with 30mm to 15mm gr media

PPC 240 TPH            
  BLAINE 2MM RETN 1MM RETN 0.5 MM RETN 212 MIC,. 90 MIC 45 MIC
BM INLET 59 0.18 0.9 5.8 18 30 32
BM OUTLET 107 0 0.4 4 15.6 27.4 29
FINES 312       0.1 1.3 11.2
DFA 226            
PFA 126            

separator checked inside . No much wear seen . above samples says deterioration in separator ?

please suggest .

regards

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