???????:??? ???????? ???? ??????? ????? ?????????? ?????? ?? ???, ?? ?????? ??? ????? ???????? ???? ??????? ???????? ?????? ?????? ?? ????.

????? ?????? ????????? ?????? ???? ????? ?????????? ?????????? ???? ?????? ????? ??????? ?? ???, ?? ???????? ?????? ???????? ?? ??????? ?????? ???????? ?? ????? ???? ?????????? ?????? ????? ??????? ?????? ???????. ??????? ?????? ???? ?????? ????? ????? ??????????? ????: ????? ???? ??????, ??????? ???? ??????, ?? ???-???? ??????. ? ???, ????? ???? ??????? ?????????? ???????? ??? ??? ??????????? ?? ??????? ????????? ??????? ??? ??????. ??????? ???? ?????? ??????????? ??????? ????? ????? ?????????? ??????, ???? ??????????, ??????, ?? ????? ?? ????????? ?? ???? ??.

Metal Ore Beneficiation Methods

1. ????? ?????????: ??? ??????? ?????? ???? ??? ?????? ??????

????? ?????????, ?????? ??????? ????? ????, ?????? ?????? ??? ???? ?? ?????? ????? ??????? ????. ??? ?????, ???????? ?????? ?? ???? ??? ????? ???? ?????? ??. ????? ????? ???????? ??????? ??? ???? ??:

1.1 ????????? ?????????: ????????? ????? ??????? ????????????

  • ????? ?????:?????? ??????? (????????? ???, ????????? ??? ???????? ??????????? ??????? ??? ???, ????? ????? ????) ???????? ?????? ?????? ???????? ?? ???????? ???? ????? ??????? ?????? ????.
  • ???? ???: ??????? ?????? ??????, ????????, ?? ?????????? ?????????. ???????? ???????????? (?????? ??????) ?? ?????????? (?????? ??????) ???? ?????? ????????. ???? ???? ???? ???? ???? ???? ????? ?????? ?????????? ???? ??????? ?????? ????.
  • ??????? ??????:
    • ?????? ???? ??????? ???? ?????? ?????? ??????, ??????? ?? ?????? ???????? ?????? ??? ???????? ????? ??????? ?? ??? ?????? ????????? 25%-30% ??? 65% ? ??? ??? ???????.
    • ?????? ?????? ????, ????????, ????? ???????????? ??? ????????? ?????? ??? ?????? ?????? ??? ???????? ????? ??????? ????? ??????????????.
  • ????:??? ?????, ??? ?????? ?????? ?? ????? ??????? ??????? (??? ????? ?? ???????? ????? ?????? ??? ?? ?? ???).
Magnetic Separation

1.2 ?????????: “??????????????-??????????????” ????? ????? ?????? ???? ?????

  • ????? ?????:????? ???????? (?????? ???? ?? ???? ?? ??????? ??????) ????? ?? ?????? ?????? ?????? ???? ????? ???????? ??? ???. ??? ???? ???? ????? ?????? ??? ????? ????? ??? ???, ???? ????? ???? ?????? ?????? ???????? ??? ?????? ??.
  • ???? ?????? ?? ??????:???????, ??????, ???????, ??????????, ?????, ???? ?? ????? ?????? (????????????
  • ??????? ??????:
    • ????? ???? ???? ????????????? ??????????: ???????? ????? ???????? ??? ?????, 0.3% - 0.5% ????? ??? 20% - 25% ????? ??????????? ????? ??????? ????.
    • ?????? ??? ??????????????: ??? ???????? ?????? ?????? ??? ?? ??? ????, ?????? ?????????? ?? ???????? ????????? ??? ???????? ????, ??? ???????? ???? ???????? ???????? ??? ?????.
  • ????:??? ???????? ???????????? (??????????? ?????????? 90% ??????), ?????? ?????? ????????? ??? ????????.
  • ?????: ??????? ????? ??????, ??? ?????????? ?????? ????.
Flotation Machine

1.3 ?? ????????: ???? ?? ??? ??? ????? ???? ????? ???????? ?????? ?????

  • ????? ?????:????????????? ???? ?????, ????????????? ?? ??????? ?????????? ???? ?? ?? ????? ?? ?????? ??? ???? ?????? ?????? ??? ??????? ???????? ?????? ????.
  • ???? ?????? ?? ??????:???? (??????? ?? ???? ???? ?????), ?????????, ??????, ?????????, ?????????? 0.074 mm ? ??? ????? ???? ?????.
  • ??????? ??????:
    • ??????? ?????? ??????? ??? ??? ??????? ?? ?? ?????? ???? 95% ? ???? ?????????????? ???? ???.
    • ????????? ?? ?????? ????, 70%-80% ??? ??????? ?????? ?????????? ???? ?????? ??? ?????? ???? ??? ??????? ??? ????????????? ???? ?????? ???? ??.
  • ????:??????? ??????? ?????, ??? ??? ??????, ??? ?????.
  • ?????:??????? ???? ?? ???? ????? ?????????????? ??? ?????? ???? ???? ?????????.
Gravity Separation

1.4 ????????? ??????? ???? ?????: ????? ???? ???? ???? ??????????? ?????? ?????? ?????

  • ????? ?????:????????? ?????? ??????? (????????? ???, ?????? ???? ????????, ???? ??? ???? ??? ?????) ???? ??????? ?????? ???? ??????? ???? ????, ??? ???????? ????????????, ??? ?????? ???? ??? ????????? ?? ??????? ???? ?? ???????????? ????.
  • ???? ?????? ?? ??????:??????? ??????? ???? ????? ?????? ???? ?????????, ??????????, ???????? ?? ????????? ???? ???? ???????? ???? ???? ?????? ?? ??????? ???? ??? (????????? ???, ?? /????? /???? ???? ????? ??????).
  • ??????? ??????:
    • ??????? ?????????: ???? ???? ????? ?????????? ???? ?????: ?ainan ??????, ??????????? ????? ?????? ???? ilmenite (??????????) ?????????????? ?????????? ??? quartz ??? ????? ???? ????.
    • ?????? ??????????: ????????? ?????? ????? ??? ?? ????????? ?????????? ???? ???? ?????? ??? ??????? ???? ?????.
  • ????:??? ???????? ????????, ??????? ???????? ???????.
  • ?????:??????? ???? ?????? (????? ????? ????????), ??? ??????????, ?????????? ????????? ????? ??? ????????? ??? ???.

2. ????????? ?????????: ????? ???? ?????? "??????? ????

??? ?????? ??, ??? ??????? ????????? ?????? ???? ??? ??????? ???????: ????? ???? ??? ???????? ?? ????? ??? ?????? ????? ???????? ???? ?????? ?????? ????? ??? ???? ???? ??? ???? ????? (???: ??????? ??, ??????? ????????) ????? ???????? ??? ???????? ??????? ??. ??????? ???????? ????? ????? ???? ??? ?????? ?? ???? ??? ???? ??? ?????? ????? ???:

2.1 ???????: ??? ????? "???????? ?? ??????

  • ????? ?????:???? ?????? ?????? (?????, ???????, ?? ???? ??????) ??? ????? ??? ???, ????? ?????? ?????? ????? ???????? (PLS) ???? ?????? ??????? ?????? ?????? (????????? ??????, ????? ??????, ?????? ???????, ?? ????????? ??????).
  • ???? ?????? ?? ??????:????????? ????????: ??????????? (????????), ???????, ?????, ???????, ?? ??????? ?? ???? ?????.
  • ???? ????????:
    • ???????????: ??? ?????? ??? ???? ????? ?????? ??????? ??? ?????? ??; ??????????? ??????????? ?????????? ?????? ??? ?? ???? ?????? ?????? ??? ??????? (?????? ????? ≥90%). ?????? ????? ???? ??? ????? ?? ?????.
    • ?????? ???? ???? ?????: ???-???????? ???????? ?????? ??? (0.2%-0.5% Cu) ????????????? ????? ??? ??? ?????????; ?????? ????? ??? ?????? ?????????? ?? ????????? ???????? (SX-EW) ???? ?????? ?????? ??? ??? ?????? ?? (???-???????? ??? ???? ???? ???????????).

2.2 ?????-???? ??? ?????? ???????????

  • ????? ?????:??? ??????? ??? ????? (300-1000°C) ???? ??, ??? ??????? ????? ?????? (????????? ???, ???????????? ?? ??? ?????? ?????), ??????? ????? ???????? ???? ????? ???? ??????? ???? ?????? ????????? ????.
  • ???? ?????? ?? ??????:??????? ????? (????????? ???, ????? ?????, ?????? ?????) ?? ???????? ??? (????????? ???, ?????????).
  • ???? ?????????:
    • ????? ???????? ????????: ????? ???????? ?? ????? ???????? ??? ????????? ????, ?? ????????? ?????? ????????? ???????? ??????, ???????? ?????????? ?????.
    • ??????????? ??? ????????: ????????? ?? ????? ????? ???? ????, ???????? ????????? (As?O? ??? ?????????) ?? ????? (??? adsorb ?????? ????) ???? ????, ???? ??????????? ???? ??????? ??? ??.

2.3 ???????? ?????????: ??? ???????? ??? ???? ???????? ????????????

  • ???????:???? ?????? (????????? ???, ???????????????????? ??????????????, ???????????????????? ??????????????) ????????? ????? ??? ???????? ??? ????? ????, ????????? ??? ??? ?????? ??????? ????? ???? ??????? ??? ??—???? ???? ?????? ????????.
  • ???? ?????? ?? ??????:??? ???????? ?? (?????????, ????????? ??), ?????????, ?????, ???? (??????? ?????? ???????? ???).
  • ????:???????? ?????? (??????? ????????? ????????????? ?????), ??? ???? (????? ????? ??????????????? ????), ???? 0.1%-0.3% ???? ????? ??? ????????? ???? ???????.
  • ?????:????????? ??????? (??? ?????????? ??? ????????), ??????? ?? ????????? ?????????? ??????????.
  • ???????? ?????:??? ??????? ???? ???????????? ???? ????? ???? ??????? ?????????? ?????? ??? ?? ????? ???? ???? ???? ?????? ????? ?????? ??????????? ?????? ?????? ??? 20% ?? ??? ??.

3. ????? ??? ?????? ???? ????????? ???????? ?? ????? ?????? ???? 3-???? ??????? ?????.

3.1 ???? ????????? ?????:

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

3.2 ???? ??????? ????? ?? ?????? ?????:

  • ??? ??????? ??? ???????? → ??????? ?? ????????? ???? ????? (??? ?????)
  • ??? ??????? ???? ???????? → ???????? ????? ?? ????? ????? (??? ??? ?????????)
  • ???? ??????????? ???? ???????? → ??????? ?? ???-??? ???????

3.3 ????????? ??????? ?? ?????? ??????:

  • ?????? ??????? ?????? ?? ???????? ?? ???? ?????? ??? ????? ???? Shari ????? ???????? ???? ?????
  • ????? ????? ???????????????? ?????? ???????, ????????????? ?? ????????? ???????? ????????? ?????? ?????