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

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

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

Standard Quartz Sand Beneficiation and Purification Process

???????????? ???? ?????? ???? ??????????? ??????????? (???? ???? → ????? ???????)

1. ?????? ??????? ?????: ?????? ?? ???????? (???? ??????? ?????, ??????? ??????? ????????)

????? ???????:???? ?? ?????? ??? ?? ???? ????? ???? ?????? ?? ????? ???????? ?? ???? ??????? ???? ???? ???????? ??????? ???? ???? ?? ?????? ???? ????.

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

  • ??? ???? (?????????? ???, ?????????? ????? ?????) ?????? ?????? ??? ??? ???? ?????????/????????????? ?????? ??? ???? ??????? ???????? ??? ????;
  • 2.???? ??????????? ???.??? ??????? ?????????? ???????????? ??? ??????, ????? ???????? 50–100 ??? ??? ??? ??? ????
  • 3.Screening ?? ?????????:????? ????????? ????????? ???? ???? ????????? (?????? 10–20 mm) ?????. ???????? ????? ???? ???? ???? ???????? ???? ???? ????, ?????? ???? ???????? ???? ?????? ???? ??.
  • 4.????? (????) ????????:?????? ???.???? ?????????? ?????? ?????????? ???? ????? 5–10 ????????? ????? ??? ????, ?????????? ??? ????? ??? ?????.
  • 5.???? ?? ???? ???? ????????????? ??? ?? ????? ???????? ????????? ????? ?????? ????? ???? ???? ????, ???? ???? ????? ????? ?????????? ?? ??? ?? ??????????? ??? ???? ??? ?????? (?? ??????? ???? ???? ????? ???????).

??????? ???????:?????? ?????? ???????? 5–10 mm ??? ????? ??; ?????? ???????????? ≥ 90%.

2. ????? ???? ??? ?? ????????? (??????? ??? ????? ?? ???????????? ?????? ?? ??????)

????? ???????:?????? ???????? (????????, -20 ???, -100 ???) ?????? ????? ????? ??? ??? ?????? ??? ????? (????????, ??? ??????????, ????) ?????? ??????, ??? ???? ?????? ???? ?????????????? ???? ?????????.

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

  • ??????? ?????? ????????? ??????? ?????????? ???? ?? ???????? ?????????? ?? ???? ?????????? ???? ??? ???? ??? ???? ???? (???? ??????????Quartz ????? ?? ?? ????? ??????? ????? ??? ???? ??? ?????? ?????? ?????).
  • (2) ????? ?????? ???????? ??????? (???????-????? ??????, ??????????????, ?? ??????? ?????????) ?????? ?????? ?? ?????? ????? ?? ???? ????? ??? ???? ??????? ??? ??.
  • (3) ???????? ????????: ????? (?????? ????????) ????? ???????? ??????? ???? ??????; ???? ???? (??????? ????????) ?????????????? ??????? ????.

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

  • ???????? ?????:?????????? ???????????? ??????? ??? ?? ??? ?????? ???? ???? ?????????. ???????? ???? ??????? ???? 100 ???? ?? 80% ? ??? ????? ?????; PV/????????? ?????? ???? ???? 200 ???? ?? 90% ? ??? ????? ?????.
  • ???? ?????:???????? ?? 60%–70% ?? ????? ?? ??? ??? ????????? ???????? 30%–40% ?? ????? ?? ??.

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

??????? ???????? ??? ??????? ???? ? ??????? ????? ??? (Fe?O?), ?????? (Al?O?), ????, ?? ???, ??? ??? "??????? + ?????" ????????????? ?????? ??.

(1) ????? ?? ???????? ????? (????? ?? ????, ???? ?????)

  • ??????:?????? ??????? + ????????????? ????? ?????? ????? ?? ???? ?????? ?? ????? ????????? ???? ????? (????? ?????????????? ????? ?? ???? ???, ?? ???? ??? ???? ????? ?? ??????).
  • ?????:?????? ???????, ??????? ??????? (???? ?????? ?????? ????? ???? ????????).
  • ??????? ???????:?????? ???? 15–30 ????????; ???? ??????? 25%–35%; ???? ?????? ????? 0.3–0.5 MP?.

(2) ????????? ?? ???????????? (??????? ?????? ???? ???? ?????)

  • ??????:200 ???? (??????) ????? ??? ??? ???? ?? ?? ???? ?????? ?????? ??? ????? ????? ??????? ??????.
  • ?????:?? ?????? ??????, ????? ???? ?????????.
  • ???????????????:???? ????? (????????) ?????? ????? ???, ??? ????????? (?????? ????? ?????) ??? ??? ???????? ???? ??????? ???? ??? ???? ??.

(3) ??? ???? ?????? ????????? ?????? ?????????? (?????? ????? ???? ???? ?????)

  • ??????:????????? ???? (???: ??????????) ?? ???? ????????? ???? (???: ????????, ??????????) ???? ?????? ????? ???????.
  • ?????? ??????:???? ?????? ????????? ????? (???? ???, ??????????? ???? ????) + ????-?????? ????????? ????? (????? ????????? ????, ???-?????????? ???????? ??????? ???? ????).
  • ??????? ???????:???? ???????? ????????? ???????? ?????? 10,000–15,000 ????; ?????? ????? ???? 0.5–1.0 ??/??. ??? ????????? ??????? ???????? ??? ?????? ??????.

(4) ???? (????, ???????????? ???? ?Magnetic ???? ???????? ???? ?????)

  • ???????:??? ?????? ?????? ???????? (????????? ???, Fe?O? ≤ 0.02%) ?????????? ?? ?????????? ???????? ?? ?imbus ?????????????, (??????? ????? ?????????? ???, ??? ???????????? ???? ?? ??????).
  • ???????:????? 2-3 ?? ????? ?????? ???????Under, ??? ??????? ??????? ??????? (?????? ???, ????? ???????, ??????? ?????????????? ??????) ???, ???????????? ?? ???? ?????? ??????? ?? ????? ????? ?????? ????, ???? ????? ????? ??????.
  • ?????:机械激振浮选机, 氧化浮选机（多级浮选以彻底去除杂质）。

(5) ????????????? ??????? (??????/?????????????? ??????? ???????? ???? ??????????)

  • ???????:???????? ?????????? ???? ?????? ??????? ???????? (????????, Fe?O? ≤ 0.005%) ????? ???? ????
  • ??????? ?????????:
    • ???? ?????: ????? ??? ???? ?? ?????????? ???????? ?????? ??????? ?????? ?????? (??????????????, ??????????, ??????????????) ??? ?????????? ?????? ???? ???????.
    • ???????-?????? ?????????: ???? ??? 600–800°C ????? ??????? ???? ??????? ??????????, ????? ??? ??????????? ???????? ????? ?????? ????????? ????, ????? ????? ?????? ????????? ????? ???? ????.
  • ?????? ?????:???? ????????? ???????, ???????? ????????????? ???????? ?? ??????? ????? ????? (pH 6–7) ?????? ???? ???????? ?????? ????????.

4. ?????????? ?? ????????? (?? ????? ???????? ????????)

  • ???? ?? ????????? ???? ?????? ?? ??????? ????? ???? ??? ??????? ???? ?? ??????? ??? ?????? ????? ?????? ?? ???, ?? 60%–70% ???? ??????? ??????? ??? ??.
  • 2. ????? ??????? ?????? ??? ?????? ????? ???????? ?? ????? ???????? ?????? ?? 10% ????? ??? ?????? ????????? ??? ?? ??.
  • 3. ???? ????? Rotary Dryer (120–150°C) ???????? ??? ??? ????????? ???? quartz ???????? ??? ??????.
  • 4. ?????????? ????????????? ?? ?????????? ??????????? ????? ????????? ?? ??? ???, ????? ????? ??????????? ???????? (???: ?????, ??????, ???? ?????? ???) ???? ??????? ???????? ???? ???? ??? ????.

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

  • ?????? ?????SiO? ?????????? (???????? ???????? ???? ??? ????? ≥98.5%, ? glass ???? ≥99.3%, PV ??????? ≥99.9%, ?????? ?????????? ??????? ≥99.99%), Fe?O? ????? ??? (???????? ???? ≤0.3%, ??? ?????? ???? ≤0.005%), ???? ??????? ?????????, ???(T) ????? ??????.
  • ??????????? ?? ???? ??????? ?????? ?????? ?????? ????? ????? ?? ???? ????, ???? ???? ????? ?????????? (???: ??? ?????, ??).

????? ???????? ???? ???????? ???? ??? ?? ??????? ?????ulent

????????? ????????? ????? ??????????? ?????? ??????? ??????????????
???????? ??????? ???? ??? ???? ?? ???????? → ????? ?? ????????? → ????????? SiO? ≥ 95%, Fe?O? ≤ 0.5%
??????/???? ?????? ???? ????? ?? ???????? → ??????? ?? ????????? → ???????? ????? ?? ???? ???? ????? → ??? ?? ?? ????? ????????? ????????? SiO? ≥ 99.3%, Fe?O? ≤ 0.1%
???????????? (PV) ?????????? ???????? ?? ??????? → ????? ?? ????????? → ?????????? ?? ????????? → ?????? ??????? ???? → ???????? → ?????? ????? SiO? ≥ 99.9%, Fe?O? ≤ 0.008%
???????? ?????? ???? ?????? ?? ??????? → ????? ?? ????????? → ????? ????? ?? ??? ????? → ?????? ?????? → ????? → ??????? ?????? ?????? - ???? ????? → ???????? ??? ??????? SiO? ≥ 99.99%, Fe?O? ≤ 0.001%

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

????? ?????:

  • ??? ????? ??? ??? ?????? ????? (???? ?? ???? ?????) ???? ????????? ?? ????????? ???? ???????? ??? ????? ?? ??? ??????? ??一致 ??.
  • ??????? ???????????? ??????????, ??????? ???????????? ?????????, ?? ??? ???????? ??????? ?? ??????????? ???????????? ???? ????.
  • ???????????? ????? ??? ???????, ???????? ????? ??????? ?? ????? ?????? ?? ?????????? ???????? ???? ????????????? ??? ??.

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

  • ????????? ??? ?????? ????? ???????????? ????????? ?? ???? ?? ???????? ?????? ??????? ?? ???????? ?????????? ?????????????? ????? ??? ?? ??? ??? ????? ??? ??? ??????? ?? ??????? ?? ??? ????????? ??????? ????????.
  • ???? ?????:?????? ?? ???????? ???????? ????????? ?????? ?????????? ???? ?? pH ??? ????? ?????? ???????? ?????????? ????? ??? ????????? ?????.
  • ??? ??? ?? ?????????????? ???? ???? ??? ?????? ?????? ?? ????? (????????? ???, ????? ??? pH ~7 ??? ???) ????????? ?? ???? ??????? ??? ????? ????? ???? ??????????.

????? ????? ????????? (???????? ?????????)

??????????? ????? ????? ????? ?????? ?????
?????? ?? ???????? ????? ?????, ??? ?????, ??????? ?????? ???? ??????? ???????, ????? ????? ????, ???? ????? ????
????? ?? ?????????? ???? ??? ???? ?????, ????????????????, ????????? ???????????? ???? ??????, ?????? ????????
??????? ???????д ?????????, ??? ?????? ???????? ???????, ?????? ???????? ???????, ????????? ????????, ?????? ?????? ?????? ???? ??????, ?????????? ?????? ??????
??????? ?? ????????? ?????????, ??????? ?????, ???? ???? ???? ???????? ?????? ?????, ????? ?? ???????? ????

???????? ??????????? ???? ??????? ????? SiO? ?????????, ???? ???? (?????????, ???????? ?????) ??????? ?? ????? ??????????? ?????? ???? ????????? ??? ?????? ?????. ?????????? ??????? ???? ??????????? ????? ????? ?????? ???? ?????? ??.

????? ??????? ????????? ???? ?????? ??? ???????????? ????? ??? ???? ????? ????? ???? ?????? ???????? ?? ?? ???????????? ?? ????????? ????????????? ?????? ??. ???? ????? ????? ??????????? ????????, ?????????? ?? ??????? ????? ??? ???? ?? ?????? ????, ??? ????? ?????? ???? ?????? ?????? ??? ?????????? ????? ???? ?????????? ????? ?? ????? ?????????? ?????? ??????? ??. ???? ????????????, ???? ?? ?????? ????, ?? ???? ???????? ????????? ?????, ??? ???? ?????????? ????????? ??????? ?????????????? ?????? ?? ??? ??? ????? ???????? ?????? ?????. ???????? ????????????? ?? ????? ?????? ?????????? ??????????? ????????, ????? ???????? ?? ???????? ???????????? ??????? ????.

?????????? ??????? ??????? ?? ??????????? ??????????? ??????? ????, ???????? ????? ??? ?????? ???? ????? ???????? ????, ???? ??????? ?????? ?????? ???????? ?? ?? ???????? ??? ??? ?????? ?????.

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