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

??????? ??? ??? ???? ???? ?? ????? ??? ?????? ??? ??? ??? ??? ?? ????? ????? ?? ?????? ????? ??? ??? ?????? ??????? ??? ??? ?????? ???? ??????? ??? ??? ?????? ????? ??? ??? ???????? ???? ???? ?????? ??? ???? ???? ???? ??? ??? ??? ????? ??????? ??? ?????? ???? ????? ???? 40-60% ??? ??????? ??? ??? ????? ????? ???? ??? ???? ????? ???? ?? ??? ?? ??????

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

Optimize Grinding Circuit Efficiency in Mineral Processing

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

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

??? ??? ????? ???? ?????? ??-???? ?? (SAG) ??? ??? ???? ??? ??? ??? ????? ??? ????? ??-???? ???? ??? ??? ??????? ????? ????? ??????? ????? ????????

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

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

1.2 ????? ????

??? ????? ????? ????? ?? ????? ??? ?????? (KPI) ?? ??????

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

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

2. ??? ??? ?? ?? ??? ???? ?? ??????? ??????

2.1 ???? ?? ?? ???

??? ??? ?? ???? ???? ???? ??? ??????? ???? ???? ?????? ???? ?? ??? ???? ????? ?? ????? ???? ??? ????? ????? ??? ?? ?????? ???? ????? ??? ???? ??? up ??? ?????? ?????? ????? ?????? ???? ??????

??? ??:

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

2.2 ????? ?? ????? ?????

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

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

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

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

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

?????? ??? ???? ????? ??? ????? ???? ??? SAG ???? ??? ?????? ????? ??? ?? ??? ?? ???? ???? ??? ?? ????? ???? ??? ???? ??? ??? ???? ??? ???? ?????/??? ????? ??????

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

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

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

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

???? ???????

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

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

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

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

4. ???? ???? ?? ??????? ??????

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

4.1 ?????? ???? ????? ?????

?????? ??? ??? ?????? ????? ?????? ?????? ?? ???? ??? ??? ?? ?? ???? ????? ? “??? ????” ?? ??? ?????? ???? ?????

??? ?????:

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

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

??????? ????—???? ???? ????? ?????-?????? ??? ??? ???-????—????? ?????? ??? ???? ?????? ???? ???

  • ????? ?????? ??? ??????? ?????? ?? ???? ??? ??????? ?????
  • ??? ?? ?? ??????? ??? ??? ?? ?? ?? ??? ?????; ??? ?? ?? ??????? ??? ??? ???? ????? ??? ??????

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

5.1 ???? ??? ??? ?? ???? ????? ??

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

?????????

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

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

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

  • ???? ???? kontrol (MPC)????? ?? ???? ???? ?? ?? ?? ???? ???? ???? ??? ???? ??? ??????
  • ???? ????? ?? ?? ??:???? ???? ?? ???? ???? ????? ????? ????? ????? ?? ???? ??? ???? ???? ?????

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

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

????:

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

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

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

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

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

6.2 ??? ??????

???? 分析, ???? ??? ?? ???? ??? ??? ????? ?????? ???? ?????? ?????? ???????

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

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

7. ???? ???? ?? ??????? ????

7.1 ????? ?????

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

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

??? ???? ??? ???? ??? (HPGR) ?? ????? ????? ????? ????? ???? ?????? ?? ???? ???? ??????? ?????? ??? ??????

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

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

8. ????? ????? ???? ????? ????

8.1 ???? ???? ????? ???

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

???????:

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

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

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

???????

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

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

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

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

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

????? ???? ??? ????? ?? ????? ??? ?? ??? ???? ????? ??? ???? ????? ?? ??? ????? ??? ??? ????? ???? ??? ?????. ??? ?? ????? ?? ???? ???? ??? ????? ???????? ????? ???? ???? ??? ?? ? ???? ??? ?? ?????? ??? ???? ?? ??? ???? ??? ???? ???? ??? ??? ??? ???? ??? ????? ???? ????? ???? ??? ??? ???? ??? ??? ?????? ???? ??? ??????? ???? ???? ????????? ??????? ???? ???? ??? ???? ?? ??? ??? ????? ????? ???/ ????? ?? ???? ????? ???? ???? ??? ???? ????