??? ?????? ?? ?????? ????? ???????? ?????? ????? ???? ??? ??????? ?? ???????? ???????. ??? ????? ????? ??? ??? ?????? ???? ??????? ????? ??? ???????? ???????? ????? ???? ???????.
?????? ??? ?????? ??????? ???????? ?? ?????? ??? ?????? ? ?? ????????? ??? ???????? ????? ????? ??? ??????? ???????? ????????? ?? ?? ????? .
????? ?????? ??? ???????
????? ??? ?????? ???? ?????? ?? ???????? ???????? ??? ?????? ????? 98% ??? ?? ????? ?????? ?????? ?? ?????? ??????? ???????? ???????. ??? ?????? ????? ?????? ?????? ????? ????? ?????? ??????? ??????????? ?????? ?????? ?????? ?? ???????? ?????????? ??????? ????????????.
???? ???? ????? ??? ?????? ????? ????????? ?? ???:
| ??? ??? ?????? | ????? ?????? |
| ???????? (Fe?O?) | ~72% |
| ????????? (Fe2O2) | ~69.9% |
| ??????? (FeO(OH)·nH2O) | 40%–60% |
| ?????? (FeCO?) | ~48% |
????? ??????? ?? ?????? ??? ?????? ?? ????? ?????? ?? ?????? ?????? ???????. ???? ???? ????? ?????? ????? ?? ??????? ??????? ????? ?? ??????? ??????.
??? ??? ?????? ??? ??????? (??????? ?????? ???)
??? ???????? ?? ??????? ???????? ?? ??? ?????? ???? ??? ?????? ???? ????? ?????? ?? ???? ????? ?????? ??????? ????? ?????.
????? ??????? ???????? ?? ??? ?????? ( ????????? ? ????????? ? ?????????? ? ?????????) ??? ?????? ????? ???? ????????? ???????? ???????? ???????.
????? ??????? ????? ???????? ?? ?????? ??? ?????? ?? ???: (1) ????? ??????? (2) ????????? (??? ?????)? (3) ??????? ?? ???????? (4) ????? ????????? ?(5) ???? ???????? ??? ??? ????????.
?????? 1: ????? ??????
??????? ?????? ??? ???????? ?????? ?? ?????? ??? ??????. ?????? ??????? ?? ????? ??? ?????? ??? ????? ????.
???? ???? ????? ????? ??????? ??? ???? ?????: ??????? ??????? ???????? ???????? ???????? ?????? . ???? ????? ????? ??? ????? ????? ??? ?????? ?????? ??? ???? ?????? ??????? ??????.
?? ?? ??????? ????????? ?? ????? ????????
????? ???? (????? ??????)
??????? ????? ???? ???? ????? ?? ??????? ?????? ???? ??????. ??????? ??????? ?? ??? ????? ?? ??? ?????? ???? ????? ???? ???? 1200 ??.
???? ????? : ?????? 5 ??/???? ??? 1500 ??/???? ??? ????.
???? ????? ????? : ??? ??? ???? ????? ??? ??? 6:1? ??? ????? ???? ??????? (10 ?? - 350 ??).
???? ?????? ?????? : ????? ???? ?????? ?? ??????? ???? ???????? ?? ??????? ???????? ?? ?????? ??????? ?????? ??? ??????.
????? ??????? (??? ????? ???? ????)
??? ??????? ??????? ??? ??????? ??????? ????????? ??????? ??????? ??????? ???? ??????. ??? ?????? ??????? ?? ??? ?????? ????? ?? ????? ??????? ???????.
??????? ?????? : ???? ?? ???????? ???????? ????? ??? ?????? ???? ???????.
?????? ????? : ????? ??? ??????? ?????? ??? ???? ??????? ????? 15% - 25%.
?????? ??????????? : ???? ?????? ?????????? ?????? ??????? ??? ???? ??????? ?????? ????? ?? ??? ??????.
????? ??????? (??????? ??????? ???????)
???????? ??? ???????? ?????????? ??????? ???????? ??? ??????? ????? ?? ??????? ??????? ???? ??????. ??? ???? ??? ???? ?????? ???? ?????? ?????? ????? ??? ????? ??????? .
?????? ?? ??? ??????? : ???? ????? ?? ???? ?????? ??? ???? ?? ?????? ?????.
?????? ????? ?????? : ????? ?????? ?????? ?? ????? ?????? ?????? ?????? ?????? ??????.
????? ???? : ???? ?? ?????? ????????? ??? ???? ??????? ???? ?????? ??????? ??????.
?? ?? ??????? ????????? ?? ????? ?????? ???? ????? ???????? ?????
????? ?????? ?? ???? ????? ????? ?????? ???? ??????. ???? ???? ????? ??? ?????? ???? ???????? (???? ??? ??? 0.074 ??) ?? ???? ????? ???? ?????? ????????? .
?? ????? ????? ?????? ?? ???? 杏吧论坛 ???? ??? ?????? ??? ???? ????? ???? ??? ??? 208 ?? ?? ??????. ??? ???? ?????? ????? ????? ??????.
??? ??? ????? ???? ?? ????? ???????? ??? ?????? ????? ?????. ?????????? ?? ????? ??????? ??? ???? ?? ??????? ?? ????? ????? ??? ?????? ???? ???????.
?????? 2: ????????? (??? ?????)
??? ????? ????????? ?? ??? ?????? ?? ??????? ???????? ?? ?????? ??? ??????. ?????? ?? ??? ?? ??? ????? ?????? ?? ??????? ?????? ???? ?????. ????? ??????? ???????? ?? ??? ?????? ??? ??????? ??????? ??? ?? ??? ????? ?????????? ???????? ?????? ?????????.
????? ?????????? (????????)
????? ?????????? ?? ??? ??? ?????? ??? ???? ?????????? ???????????. ??????? ???? ????? ?? ??? ???????? ????? ?? ????? ?????? ??????????? .
???? ????? ????? ?????????? ?? ???? 杏吧论坛 ?????? ?? ??? ??? 280 ???? ?? ??????? ??????? ?????? ????? ???? ??? ????? ??? 3 ??. ??? ??? ???? ?????? ?????? ??????? ?? ???????? ??????? ??? ????? ??????? ??????? ??? ???? ????.
??????? (????????? ?????????)
?????? ????? ??????? ??????? ?????????? ???? ????? ?????? ???? ?????? ?? ???????. ??? ?????? ?????? ?????? ??? ??????????? ??? ????????? ?????????.
????? ??? ??????? ?? ???? 杏吧论坛 ???? ?????? ???? 20 ??? ???? ?? ???????. ??? ???? ??????? ???????? ????????? ?? ??????? ?????? ?????? ??? ?????? ????????? ??????? ?? ??? ??????. ??? ???? ??? ??? ?????? ???????? ???? ??? ????? ?? 0.01 ??.
????? ????????? (????????? ??????????)
????? ????? ????????? ??? ?????? ??????? ??? ??? ?????? ????????. ??? ?????? ???? ?????? ????? .
- ?????? ???????? : ?????? ???? ?????? ?????? (0.3 ?? - 0.02 ??)? ?? ????? ?????.
- ????? ???????? : ?????? ??????? ???????? ????? ??????? ??? ?????? ???? ?????? ?? 2 ?? ??? 0.074 ??? ?? ????? ??? ???? ?? 90%.
- ???? ????? : ????? ???? ?????? ??????? ??? ?????? ???? ?????? ?? 5 ??? 50 ???? ?? ??????. ??? ???? ?????? ?????? ?????? ??? ?????? ????? ??????.
??? ?????????? ??? ?????? ???? ?????? ???? ???? ???????? ???? ?????? ????? ??????? ??? ???? ?? ????? ?????? ?????.
???? ??? ????? ????? ???????? ???????? ????????? ?? ??????? ??? ??????. ???? ?????? ????? ??? ???????? ????????? ?????? ?????? ?? ??? ?????? :
| ??? ????? | ????? ????????? | ??????? ???????? |
| ???????? | ????? ?????????? | ????? ????? ????? ??????? ???? ???????? ??? |
| ????????? | ????? ????????/???????? | ????? ????? ???? ?????? ??? ??????? |
| ??????? | ??????? ?????? ??????????/????? ????????? | ??? ????? ???? ???????? ???? ???? ?????? |
| ?????? | ??????? ?????? ??????????/??????? | ??? ????? ???? ???????? ???? ??? ????? |
?????? 3: ??????? ????????
??? ????? ?????? ??? ?????? ????? ?????? ?? ???? ??????? ?? ??????? ?????? ?????? ?? ????? ?????. ????? ??????? ???????? ?? ????? ?????? ?????? ???????? ??? ???? ?????????.
- ????? ??????? ???????? ?????????? ????? ????? ???????? ??????? ??????? ?? ???????.
- ????? ??????? ????????? ????????? ??? ???? ????? ?? ??????? ????????? ??? ?????? ??? ?????? ??????? ??????? ?????? ??????? ?????? ???? ?????.
????? ????? ??????? ??? ????? ??? ?????? ????????? ???????? ??????? ??????? (??? ????? ?????? ?????? ?????) ???????? ?? ????? ????? ????? ?????? ????? ??? ?????? ?????.
?????? ????? ??????? ???? ????? ???? ???? ????? ??? ?????? ?? ?????? ??????? (??? ????????? ?????? ????) ?????? ?????? ?????? ?????? ???????? ??????? .
??? ??? ??????? ??????? ?????? ?? ????? ????? ?????? ? ???? ???????? ??? ???? ????? ?? ???? ??????? ???? ??????? ??????? ??????? ?? ??????? ????? ??? ??????? ??? ??? ?? ??? ???? ??? ?????????. ???? ????? ???????? ?????
????? ??? ??????? ??????? ?? ???? 杏吧论坛:
- ??????? ?????? : ???? ?????? ?? ??? ??????? (3 ?? - 16 ??)? ?? ???? ????? ???? ?? 95%.
- ????? ??? : ????? ????? ????? ??????? (35°–55°)? ??? ?????? ??????? ????? ???????? ???????? ???????.
- ???? ?????? ????? ?????? : ?????? ???? ??? ????? ???????? ?????? ????? 30% ?????? ?????? ??????? ?????????? ???????.
?????? 4: ????? ???????? (????? ?????? ?????? ?????)
????? ?????? ??? ?????? ??????? ??? ????? ?? ??????? ???? ???????? ?? ????? ?????? ?????? ?????.
????? (????? ??????)
- ????? ????? ??????: ??? ??? ??????? ????????? ?? ????? ?? ????? ?????? ?????? ?????? ????? ?? ???? ????? ????????. ???? ??????? ????? ?? ????? ??????? ????? ?????.
- ????? ???????? ??????? ?????? (DRI): ???? ????? ??????? ?? ?????????? ??? ?????? ????? ??? ????? ????? ?????? ??? ?????? ?????? ?????? ????????.
??? ????? ??????? ??? ?????? ????? ??? ????? ?????? ??? ???? ?? ??????? ?????? ???????.
??????? (????? ?????)
- ??? ???????? ??????? (BOF): ??? ??? ???????? ?? ???? ?????? ????? ?????? ??????? ??????? ??? ????? ?????.
- ??? ????? ????????? (EAF): ????? ?? DRI ?? ???? ???????? ??? ??? ??????? ???????? ???? ?????? ???????? ??? ????? ?????.
?????? 5: ???? ???????? ????????? ???????
??? ???????? ??? ?? ??????? ??????? ?? ??? ?????? ?? ??? ?????? ??? ?????? ?? ?????? ??? ?????? ?????? ??? ??????? ?? ????? ??????? ?? ????????. ???? ??????? ?????? ???? ??? ???????? ???????? ?? ??????? ?? ?????? ?????? ????? ??????? ?????? ??????? ???????.
?????
???? ?????? ??? ?????? ????? ?????? ?????????? ???????? ???? ???? ??? ??? ???? ??? ???? ?????? ?????? ???????. ???? ???? 杏吧论坛 ??? ????? ???? ????? ????? ??????? ???? ???????.
???? ????? ??????? ????? ?? ???? ????? ??????? ?????? ?????? ???????? ?????? ???????? ????? ??? ?????????? ?? ????? ????? ????? ???? ????? ???????? ?????? ???????. ???? ??? ????
