??????:?? ????? ???? ????????? ?????????? ???????? ?????? ???????? ????? ????????? ? ???????? ??????????? ????? ???????? ???????? ??????

??????????? ????????? ???? ??????? ????????? ??????? ??? ????, ?????? ?????? ?????? ???? ???? ??????? ?????? ?? ???? ????????? ?????????? subsequent ?????????????? ???? ????? ???? ???????? ?????????? ??????????? ????????? ???????????? ??? ????? ????????? ???? ??????????? ????????? ?????? ???????, ???? ????????????? ??, ????? ???, ? ????? ????????? ?????? ??? ?????? ??????????? ???? ????????? ???????? ?????-??? ????? ? ????? ????? ?? ??—??? ?????? ??? ????????? ????? ????? ??-??% ?? ???? ???? ??????—??????? ??????????? ???????? ???????? ??????? ????? ????????? ? ?????????? ?????? ??????? ???? ?????????? ??

?? ????? ???? ????????? ???????? ???????? ????????? ???????? ?????? ???? ????????? ? ????? ??????????? ??? ???????? ?????? ????? ???? ?????? ?????? ? ???????, ????? ??? ? ?????, ?????? ???????, ???????? ????? ?????? ? ?????????, ??? ??????? ?????????? ????? ?????? ?????????? ??????? ???? ???????? ???? ??????? ????????? ? ????????? ???????? ???????? ???????, ??????? ?????? ?????, ? ??????? ???? ?? ???? ?????????? ????????? ?????? ????? ???

Optimize Grinding Circuit Efficiency in Mineral Processing

1. ????????? ???????? ??????? ?? ?????

1.1 ??????????? ?????? ?????????

?????????? ????????? ?????????? ???????? ?????????? ??????—????? SAG (????-???????? ??????????) ?? ?? ??????—??? ?????? ?? ?????? ?????? ? ???????? ??????????? ????? ???????? ??????? ?????? ???????????? ?????? ???:

  • ???-??? ?????? ???????:??? ?????? ???? (?????, ?? ???) ?????? ????????? ????? ?????????
  • ???-????? ????????? ?????????:????? ??? (??????? SAG) ?????? ????????? ? ??????? ?????? ?? ????
  • ???? ??????? ??????????:?????? ?????? ???????? ?? ?????????? (?????, ???????) ??? ???? ?????? ? ???? ???? finer ?????????? ????? ?? ??????? ???? ? coarse ????? ?????? ????????
  • ????-????? ??????:???????? ???????? ???? ????? ?????, ???? ?????? ?? ?????????? ???? ?? ????? ?????? ??????

???????? ???????? ?????? ?????? ??????????, ????????? ??????, ? ????????? ??????????????? ?????? ??????

1.2 ???????? ?????????

?????????? ???????? ???????????? ?????????? ????? ???? ?????? ???????? ?????? (KPIs) ?????? ???????:

  • ??????? (??/????):????? ????? ??????? ?????? ?????? ???????
  • ??????? ????? ??? (kWh/t):???? ?????? ????? ?? ????? ???????
  • ?? ???? ????? (PSD):???? ??????? ?????? ????????? ??????? ?????????? ????? ??????????? ??????? ???????????? ???? ????? ???? ???????
  • ????? ???????? ? ????????:?????????? ????????? ? ??????????? ???????
  • ?????????? ?????? ????? ??:??????? ?????? ??????? ???? ???????
  • ?????????? ?????? ??????? ????:????????? ??????? ??????????? ??????? ?? ????? ??? ???????

?? KPIs ??? ??????? ????????? ?????????? ?????? ???? ? ????????? ???????????? ???????? ???? ????? ??????????

?. ?????? ??????? ? ???? ???????? ??????

?.? ???? ??????? ? ?????? ????

???? ????????? ?????? ? ??????? ???????????? ????????????? ???????????? ?????? ?????? ???? ???? ????????????? ???? ??? ??????? ???, ????? ????????? ????? ?????????? ?????????? ???????? ?????? ???????? ??????? ?????????? ?????????? ??? ???? ?????? ????????? ???????, ??????? ??????? ?????? ????? ?????????? ????????? ???????? ?????? ???? ?????????? ??

?????? ??????:

  • QEMSCAN ?? MLA ????? ?????????? ?????? ???? ?????? ??????????? ?????? ??????????
  • ??????????? ?????? ????????? ???? ?????? ???????? ???? ???????? ??????????

?.? ?????? ? ???? ??????????

????? ???? ?????? ????? ??????????? ? ????? ????? ??????? ?????? ??????? Bond Work Index (BWI), SAG ???? ??????? (SPI), ? ???? ??? ?????????? ????? ???????????? ?????????? ????????? ????? ? ??????? ???? ?????? ???? ?????? ????????

????????? ??????:

  • ????? ???????? ?????? ??? ???????? ???? ?????? ????? ????????? ????????? ???? ?????????? ????????????? ??? ???? ????????
  • ?????? ???? ?????? ???? ??????? ?????, ????? ?? ? ?????? ????? ??????? ??????????

3. ????? ??? ? ??????? ??????????

3.1 ??? ?????? ? ????

??????? ?????? ????? ??? ????? ??????? ??? ??? SAG ???????? ??????? ???? ?????? ?????????? ???????? ???????? ?????? ? ???????? ??????? ???? ?????? ?????????? ??????, ???? ?? ?????? ?? ????????? ???? ?????? ????????/??????? ???????? ??? ???????

??????? ?????:

  • ???? ???? ?????, ?????? ??????, ? ??????? ???????????? ????? ???? ?????? ?????? ??????????
  • ????? ???????????? ?????? ??????? ??? ??????? ???? ??????????? ??? ??????????? ?????? ??????????

3.2 ?????? ?????? ???????

??????? ???? ?????? ????? ????????? ??????, ????, ? ??????? ?????? ???????????? ? ????????? ???????? ?????????? ????? ???????? ?????

???????????? ?????? ???:

  • ?????????? ???????? ???? ???? ???? ??????? ????????
  • ?????? ????? ?????? ?????? ??????????? ?????? ????? ? ??????? ????/?????? ????????? ?????????? ??????
  • ??????? ??????????? ???? ??????? ??????? (?????, ?????? ?????) ?? ???? ????????? ?????? ??????? ?????? ??????

3.3 ??? ??????? ?????????

????????? ???????????????? ??????? ????? ?????? ????????????? ?????????? ????? ?????? ????? ????:

  • ????? ???:?????????? 70-80% ????? ??? ???? ??? ??????; ???? ???????????? ?????? ????????? ???????? ???? ?????
  • ??? ?????:??? ????? ?????? ?????????? ????? ????????? ????? ? ?????? ?????? ????? ?? ??????
  • ??? ??? ?????????:?????? ???? ????? ??? ?????????? ?????????? ????? ? ????????? ?? ?? ???????? ??????

?. ???????? ? ????? ??????????

????? ??????????? ?????? ?????????? ???? ?????????????????? ?? ????? ?????????? ?????? ??????, ???? ???? ???????? ????? ?????? ?????????? ??? ??????

?.? ?????????? ???????? ?????????

????? ?????????? ???? ???????? ??????? ?????? ???? "??????? ?????" ????? ? ????? ?????? ???????

?????? ????????????:

  • ???????? ????? ?????? ? ????/???????? ???? ??????? ? ??????? ??? ???? ?????? ???? ???? ???????
  • ????????? ???????? ?????? ????? ???? ????? ???? ???? ? ????????? ????? ????????
  • ????? ???? ??????? ?????? ??????? ??? ?????? ??????? ????? ?????? ??????????

4.2 ????????? ??? ?????????

??????????? ???—????? ???????? ????????? ???, ??? ????? ???????—?? ???????????? ??????????? ?????????? ???

  • ????????? ?????????? ???????? ??????? ??????? ? ????????? ??????? ???? ??????
  • ???? ???? ?????????? ????? ?????? ????? ?????? ?????; ???? ???? milling ???????? ??? ????????

5. ????????? ?????? ? ????????? ??????????

?.? ????????-??? ???????? ? ????????

???? ???? ? ????? ????? ????????-????? ?????? ?????? ??????? ?????? ??????? ???? ????? ???????

??????????:

  • ?????? ?? ???? ??????????? (?????, ???? ????, ?????? ??????)?
  • ?????? ????? ? ????? ?????? ???? ??? ???? ??????????
  • ???????? ?????? ?????? ???? ????? ??????????

5.2 ????? ????????? ??????????

????? ????????? ?????????? ? ????????? ????????????? ????????? ??????????? dramatically ????? ???? ?????

  • ????? ??????????? ???????? (??????):???????? ????? ?????????? ??????????? ????? ???? ?????????? ?? ? ?????? ?? ????? ???????? ?????? ???? ????????
  • ???????? ??????? ? ???:???????? ???? ? ????? ???????? ?????? ???? ?????????? ??????????????? ??????? ????????? ? ??????? ??????????? ??????????? ??????????

5.3 ???? ?????????? ? ?????? ???????

?????? ????????—?????? ?????? ??????? ????????????—????????? ? ????????? ????????? ???? ???????????? ?????? ????????

??????:

  • ?????? ????????? ???? ???????? ????? ?????? ???? ????????????? ?????? ??????????
  • ?????????? ????????????? ????? ??? ? ????????? ???????? ??????????? ??????????

6. ?????? ??????? ? ???????????

???????? ? ??????????? ????? ????? ???????????? ??????????? ???????? ????????? ???? ????? ? ???????????? ?? ????? ???????? ????????? ???? ???????????? ????

6.1 ?????? ????? ????????

??????? ?????, ?????? ??????, ??????, ? ????????? ?????? ?????? ????????? ??????????? ????????? ?????

6.2 ?????? ???????

??????? ???????? ??????????? ?????????? ????????? ????? ????? ??????? ????????, ????? ?????? ? ??? ?????????? ?????? ???????

6.3 ??????? ????? ?????????

  • ?????????????? ???? ????? ??????? ???????? ????? ?????????
  • ?????? ???? ???????
  • ????????? ???????? ??????????? ? ????? ??????????? ????? ?????

?. ??????? ?????? ? ???? ??????? ????????

?.? ????? ??? ??????????

?????????? ???????, ??????????? ??????? ?????? ????????, ? ????? ?????? ?????????? ???????? ??????? ???? ????? ?????

7.2 ???????? ????? ??????????

??????? ??????????, ????? ????-???? ?????????? ??? (HPGR) ? ?????? ??????, ?? ????? ??? ? ?????? ??????????????? ??? ??????????? ?????? ??????

7.3 ????????? ??????

?????-????? ? ??????????? ?????????? ?????? ????? ????? ??-????? ???????????? ???????? ????????????? ????? ??????, ????? ??? ????? ? ????????????? ??????????

?. ??????? ????????? ???????? ??????????? ?????? ?????????

?.? ??????? ?????? ? ?? ??????

??????? ???????? ???? ????? ????? ??????? ?????, ???? ?????????? ? ?????????? ?????? ?????????? ????? ???????? ??????????? ??????, ???? ?????????????? ??????? ??????????

?????:

  • ?????????? ?? ???? ??????? ??????????
  • ??? ?? ? ?????? ??????? ???????? ??????????

?.? ????? ?????????? ??????????

?????? ?????? ? ????? ?????? ???? ???? ?????? ?????? ???????????? ?????? ????? ?????

?????????:

  • ????? ?????? ? ??????? ?????????? ?????? ??????????
  • ???????????? ????????? ?????????? ???? ??????????

8.2 ?????? ??????? ?????????

??????? ?????? ???????? ???? ?????? ? ?????? ????? ?????

??????:

  • ??? ?????? ???????? ?????? ??????????
  • ?????????? ??????? ????????? ???? ??????? ?????? ?????? ???? ???? ???????

?????????? ???????? ???????????? ??????? ????? ???? ????????? ?? ???? ?? ???????? ?????? ??, ???? ?????? ???????, ????? ???, ??????? ??????????, ??????, ? ????? ?????? ????? ????? ????????? ?????? ???? ?? ?????? ???????? ??????, ??????? ?????????? ??????? ?? ????? ????, ????? ????????? ????????? ? ??????? ????? ?????, ? ???? ???????? ????? ????????? ????, ???????????? ???? ???????, ?? ????? ???, ? ????????? ???? ???????????? ????? ???? ???????