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

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

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

?????? ?????? ??????? ?? ??????? ????? ??????, ????? ???? ????? ?? ??????. ??????, ?? ??? 2017, ??? 44,998 ??????? ????? ?????? ????. ??? ????? ?? ??????? ????, ???? 7,793 ?????? ?????? ??????? ???. ????, ??? ????? ?? ??????? ??? ?? 2.0×107kt.

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

tailings

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

???? ??????? ????? ????? ????? ?????? ?-5 ???????? ??????? ????? ???????? ????????:

1) ?????? ???????? ????? ????, ???? ????? ???? ?????? ???;

2) ?????? ???????? ????? ???? ??????, ???? ???? ?????? ?????? ???;

3) ?????? ???????? ????? ???????. ???? ?????? ????? ??? ?????, ??? ???, ??????? ???', ??? ?? ???.

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

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

5) ????? ????? ?? ?????.

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

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

????? ??????

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

????? ???

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

The stock of tailings piles occupies a large amount of land

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

??????? ?????? ?????? ?? ????? ????? ????? ?????? ?????? ??????, ??? ??????? ????? ????? ?? ?????? ????? ?????? ?? ?????, ???? ????? dams ?? ?????? ?????, ?????? ????? ????? ??????.

The accumulation of large amounts of tailings can easily trigger secondary disasters

????? ?????

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

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

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

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

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

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

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

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

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

?????? ??? ????? ?? ????? ??? ?????? ??? ??????? ??? ??????? ????? ?????? ?????? ??? ?????? ?????? ????. ???? ???, ?????? ????? ???? ????? ?????? ??? ???? ??????. ??? ????? ?????? ????? ?????? 1/2 ?? 2/3 ??????? ????? ??.

????? ?????

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

????? ??????

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

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

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

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

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

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

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

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

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

???? ????? ????? ??????? ??????? ?? ??????, ????? ??? ?????? ?????? ????? ??????. ????? ?????? ????? ?? ????? ??? ?????? ?????? ?????? ?? ?????? ??? ??? ???????, ???? ????????, ??????? ???? ???????? ???'.

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

?????? ?? ?????? ??? ???? ???????, ?????? ??? ???????? ???? ???????? ?? ???????, ?? ???? ????? ????? ?? ????? ?????? ?? ????? ??? ??????, ????? ??????? ???? ???? ?????? ?? ??? ??????, ?????? ???? ????? ?? ?????, ?????, ????? ?????? ?????? ???'.

????? ????? ??? ???? ????? ???? ????? ?? ???? ???? ?????, ???? ??????? ??? ?? ????? ??????, ????? ????, ??? ??? ????, ????? ???? ?? ??????? ????? ??? ????? ?????. ????? ?????? ??????? ???? ????? ?-85%, ?????? ?????? ??????? ????? ????? ???????.

Process Flow Of Tailings Sand Making

????? ??: ????? ??????? ?????? ?? ??????, ???? ?????, ?????, ????? ?????? ?????, ????? Waste ?????? ???????? ???? ?? 5-10 ?"?, 10-20 ?"?, ?-20-31.5 ?"?.

??? ?????? ??????: ????? -5 ?"? ?????? ?? ??? ????? ????? ???????? ????? ???? ?????? ??? ?? 0.3 ~ 4 ?"? ???? ?? 4 ~ 5 ?"? ???? ????? → ????? ??? → ????? ??????.

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

(2) ???? ???: ????? ???? ????? ?? ???? ???? 150-500 ?"? ????? ????? 400-125 ?"?.

(3) ???? ???????: ????? ???? ?????? ?? ????? ???? ????? ?? ???? ???? 400-125 ?"? ????? ????? 100-50 ?"?. ????? ???? ?????? ?????? ?????? ?????? ?? ???? ?????? ?? ???? ???? ?????? ???? ????? ?????? ?????? ?????? ???? ????? ??????.

(4) ???? ?????: ????? ???? ?????? ?????? ????? ?? ??? ????, ?? ???? ???? ?? 100-50 ?"? ????? ????? 32-5 ?"?.

(5) ????? ?????? ???: ??? ??? + ???? ??? ????? ????.

(6) ?????: ????? ???? ????? (???? ????? ????? ?????? ????, ???????? ???????? ?????? ?????? ???? ?????. ????? ?????? ????? ???? ??????? ?? ???? ????? ????? ???? ????? ?????? ????? ????? ?????? ?????? ???? ?? ??? ?????).

(7) ????? ?????? ???: ??? ??? + ???? ??? ????? ????.

(8) ?????? ?? ??????: ?????.

(9) ?????: ??? ?? ????? ?? ??? ??? ???, ???? ?? ????? ?? ??? ????? ????? ?? ???, ????? ???????? ??? ?? ?????? ????????.

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

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

1. ??? ???? ?? ??? ?????? ?? ???? ??? ??? ??????? ?????. ??? ???? ?? ????? ?????? ?? ?????, ?? ?????? ???? ?????? ?? ????? ??????? ????? ??? ??????, ??? ??? ???? ????? II ?? ???, ???? ????? ???'.

2. ????? ??? ?? ???? ??? ?????? ??? ??? ?????, ???? ???? ???? ???????, ??? ????????? ????? ????? ?????, ??? ????????? ??????? ?????. ?? ???? ?? ?????? ????? ????? ???????? ???? (???? 7-14 ????) ??? ????? ???????? ????.

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

1. ???? ???? ????? ????? ????? ?????? ??????? ??????, ?? ??????? ????? ?? ??????? ?? ????, ????? ?????? ?? ??? ??????? ?? should exceed 40%. ????, ????? ?? ??????? ?? ???? ???? ??????? ??? ????? ??????? ????????.

2. ???????? ???? ????? ?? ??? ??????, ?? ?????? ???? ?????? ?? ????? ??????? ?????? (??? ???? ?????, ??? ???? ????? II ???') ??? ????? ?? ??????? ???????? ?? ????? ???? ?????? ?? ????? ?????? ?? ?????.

3. ??? ?????? ??? ??? ?? ??? ?????? ??????, ????? ????? ???? ???? ?????? ?? ???? ???. ???? ???? ?? ???? ??? ????? ???? ???? ?????-?????, ???? ????? ?????. ????, ???? ????? ???? ???? ????? ???, ????? ???? ???? ??????? ???? ??????? ?? ???? ??????? ???? ????? ???????, ??? ????? ?? ????? ?? ???? ????? ??????, ????? ?? ???????, ??? ?? ????? ?? ???????? ????? ?????? ?? ???????? ??????? ???. ???? ???, ????? ???? ???? ???? ???? ?? 5% (????? ??????? ??? ????? II).

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

?????????? ????? ???? ?? ????? ??????? ????? ??? ????? ??? ?????? ????? ??????? ??????? ????????. ????? ???? ?? ????? ??????? ???? ???? ????? ?? ?????? ????? ???????, ??? ?????? ???? ?????, aggregate ???? ???, ???' ?? ??????? ??????? ?????? ??????? ????? ???? ????? ?? ????? ???????, ?????? ??? ????? ?????? ?????? ???? ?? ????? ???????. ????? ???? ?? ????? ??????? ??? ????? ??????? ????? ?????? ??????? ?? ????? ????? ????????, ????? ?? ?????? ?????????, ?????? ?? ?????? ?????? ?? ????? ????? ??????.

???? ???? ?????? ?? ????? ??????? ?????? ??? ??? ???, ????? ????? ????? ?????? ???? ?? ????? ??????? ??? ???? ???? ?????? ????? ?????? ?????? ????????, ???? ????? ?? ?????? ?????? ????. ?? ??? ??????? ???? ?? ???? aggregate ???? ?????? ?????? ???????, ??? ??? ?????. ?????? ????? 麻豆社 ?????? ????? ?? ??????? ?????? ????? ???????.

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