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

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

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

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

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

tailings

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

??????????? ????? ??????? ???? ??? ??? ????????? ????? ??????? ?????? ????? 5 ?????????????? ???????? ???? ??? ????:

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

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

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

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

????? ????? ???? ????? ??????, ????????, ????????????, ?????????, ??????, garnet, ????????, ???????, ???????, ????, ?????? ??? ?????????? ?????????? ???.

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

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

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

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

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

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

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

The stock of tailings piles occupies a large amount of land

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

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

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

?? ????????: ?????????????? ???????? ????????????? ?????, ???????, ??????????, ???? ???? ??? ?????????????, ????? ??? 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. ????? ????????? ??????????? ?????? ???????? ???? ?????????? ?????????????, ?? ?????????? ???????? ?????? ??????? ????? ?? ?????? ????? ??? ?? 40% ?????? ????? ??? ???. ??????, ?????????? ???????? ?????? ??????? ???? ??? ????????? ??????????? ??????? ??? ????.

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

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

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

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

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

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