?????:?? ?????? ?????? ????????????? ????? ????? ????? ????? ?? ???????? ????? ?????????? ?????? ?? ??????? ?Treat???????? ?????? ?????????? ???????????? ???????????? ?????? ???????? ??????????? ??????????? ???????? ?????????.

????? ??????? ???? ???? ?????????????? ?????? ?????????? ?? ???????????? ???????? ???????????? ??? ?oll???????? ?????? ??????? ???????????? ????? ??????????? ??????? ?????? ?????? ?????????? ????? ??????. ????? ??????? ?????? ????? ???????? ???? ??? ????? ?????? ????? ???????? ???????? (?????? ??????? ????? ????? ?? ??? ?????)?? ???????? ?? ??????????? ???????? ??????????? ??? ???? ???????? ??????? ??? ????? ??????? ??????????? ???????.

????? ??? ???????? ????????????? (?????? ???? ?? ????? ?????????? ???????????) ?????????????? ????? ???????? ??????? ????????? ????? ?????? ???????????. ?? ???????? ????????лаш????????? ??? ???????? ?? ?????? ???????? ????????????? ??????? ???????????? ?????? ???????? ?????????? ??????? ??????? ????? ??????????? ?? ???????? ??????????? ??????? ?????????.

Standard Quartz Sand Beneficiation and Purification Process

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

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

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

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

  • 1. ??? ????? (?????? ??????? ?????? ?砂 ????) ?????????/?????????? ???????? ??? ????? ?????????? ??????????? ????? ????? ????? ???????????;
  • 2.??????? ????????:?????? ????????? ????????.????? ??????????? ????????? 50–100 ??????????? ????????????? ??????? ????? ???????????????? ?????????????? ????????.
  • 3.????? ???????????? ?? ?????? ?????:粗碎的材料通过一个圆形振动筛（网眼尺寸10–20毫米）。超大材料被返回进行进一步破碎，而合格材料则进入细碎阶段。
  • 4.???????? (?????) ???????????? ????????? ????????.??? ??????????? ????? ????? ??????????? ????????? ????????? ??????????? ????????? 5–10 mm ???? ?????????? ???????? ??????? ???????? ?????? ????????.
  • 5.????? ??????? ??? ?????:??????????? ??????????? ????? ????????? ???????? ????? ?????????? ????? ????????? ???????????? ?????? ????? ????????? ?????????? ????? ???? ?????? ???????? ?????? ????? (?? ??????? ?????????? ??????????????).

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

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

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

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

  • (1) ????????? ???????????? ????????? ?????? ???????? ??????? ?????? ?????? ??????????? ?????? ?????? ???? ??? ?????? ??? ????????????? ??????????? (????? ????????? ????? ?????? ????? ????????? ????? ????????? ???????? ?? ?????? ???????????? ????? ????? ?????????? ???????).
  • (2) ????? ????????? ??????????????? ???????? (??????????? ????? ???????????? ???????? ???? ????? ?????) ??????? ????? ????? ??????????? ?????? ????? ???????????.
  • (3) ????? ????????? ????????: ???? ??????? ?????? (??????? ???????) ?????????? ?????? ??????? ?????? ???????? (??????? ?????????) ?????????? ?????.

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

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

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

??????? ????? ?)]) ??? ??????? ????? ???????? ???? ???????? ??????. "?????? + ???????" ?????? ?????.

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

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

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

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

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

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

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

  • ?????????????? ???:?????? ???????? ?????? ? ????? (???????? Fe?O? ≤ 0.02%) ????? ??????? ?? ???? ???????? ????? (?????? ????? ?????? ????????? ??????????? ????? ???????????).
  • ??????? ?????:????????? (pH 2-3) ? ????? ?????? ????????? ????? (???????? ??????? ???????????? ?????? ??? ???????????) ? ??????? ?? ???? ???? ??????????? ????????? ???????? ????? ??????? ?? ????? ???????? ????????? ????????.
  • ??????????:??????????? ?????? ????????? ????????? ???? ???????? ?????? ????????? ???????? (????? ??????? ????????? ????? ??? ????? ?????? ????????).

(5) ??????? ??????????? (PV/???????????- ????????? ??? ????? ?????)

  • ?????????????? ???:???? ????????? ?????? ?????? ????? ????? ???????? ?r????? ???????? (???????? Fe?O? ≤ 0.005%) ????? ??????????.
  • ????? ????? ????????????:
    • ????? ?????: ???????? ??????? ???????? (??????????? ?????? ???????????) ????? ?????? ?????? ????? ?? ???????? ??????????? ??????? ????? ???????.
    • ?????????-?????? ??????: ????? ????? ???????? ????? 600–800°C ?? ???????? ????? ????? ????????? ???????????? ???????? ???????? ??????? ???????????? ?????? ??????? ?????? ???????? ???????? ???????.
  • ????? ?????:? ? ??? ? ? ? ? ? ? ? ??? ???????? ?? ?? ? ? ? ?? ?? ?????? ????? ? ??? ? ? ? ? ? ? ? ? ??? ??? ?????? ? ? ?? ?? ? ? ??? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ???????

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

  • 1. ?????????? ?????? ????? ?? ??????? ????????? ???????? ????? ????? ??????????? ????? ????????? ????? ?????? ?????????? ??????????? 60%–70% ???? ???????.
  • 2. ????? ?????????? ????? ?? ?????????? 10% ???? ?????? ????????? ????? ????? ????? ?????? ???? ????? ?? ???????? ???????.
  • 3. ??? ?????? ?????? ????? ???? ????? ??????????? (120–150°C) ?????? ?????? ??????? ????? ????? ????????? ?????? ???????? ????????.
  • 4. ?????????? ????????? ?????? ???????? (???????? ?????? ???????? ????? ? ?????) ??? ????????? ??? ??? ????????????? ?????? ?????? ?????????? ???????? ????????.

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

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

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

???????? ?????? ??????? ?????? ???? ????? ????????????
????????? ??????? ? ????? ?????? ?? ????? → ????????? ?? ??????????? ???????? → ?????????? 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%

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

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

  • ??? ????????? ????? ????? ???? ?????? (??????? ?? ??????) ?????? ??????? ??? ?????????????? ???????????? ???????? ?????? ?????????.
  • "床言清洗?? ??? ?????????? ??????? ????????? ???????чная ??????" ?????? ???????? ??????? ?????? ?? ???????? ???????? ????????? ??????.
  • ??????????? ???????? ????? ????? ?????????? ??????????? ?? ????? ?????????? ?? ??? ??? ?????? ???????????? ?????????? ??? ???????????????? ??????????.

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

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

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

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

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

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

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

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