è???1'??????é??é??è??????????o??????è?·?????????é??é??è???????????????o§????o?é??è??????????¨??????????????§??1é???????·???????????????é??é?????????-???¨???é??è'¨é??????2?????·???1??????é??????±?????2???????é???????'???è?????é????????????o?è????????????±?[1]???è???o§é???2????????2???????é??????????§???????o§???????o§??????è|???o???????????????????????'???è?????é???2???????è'¨??????[2-4]???è???o?é???2???????è?????TFe???é???¤§?o?71??????Si02?°??o?0.6??????Fe304??¨99???????????????é??????2????[5]???
??¨????????????è???????????é???2????????·??????????é??è·?é??é??é??è??????????????????§????????????°?o§???????????o?????o????o???????è???????¨???é??é???2????????o§è???o?é???2??????????é???2????????·??????????é???o§???é??????????????é??????????????????????a??°?????????é?????????????????è???°???o??????????o§???è'¨?2???????é???o§????????????????????o????????????????±±?????????é??é???2??????o?????????é????¨é????????é??è???¤?-???é????±è??è??è???o?é???2???????????¤?è??éa????????????o???é????±??¨è???o?é???2????????·?????o???¨????????°????????????
1 ????????§è'¨1.1 ????-|?¤?????'????????????????
??1?±±?????????é?????è??è?????è|?????-|???????????????é?????????????????????????????è§?è?¨1???è?¨2???
è?¨1 ???é??é???2???????è|?????-|?????????????????? %
|
?????? |
TFe |
SiO2 |
|
Al2O3 |
CaO |
MgO |
S |
P |
|
???é??/% |
66?12 |
6?73 |
|
0.49 |
0.01 |
0.32 |
0?07 |
0.01 |
è?¨2 ???é??é???2?????????????????????? %
|
?????? |
???é????? |
è?±é????? |
è¤?é????? |
???é??é?? |
??????é?? |
|
???é??/% |
90.92 |
0.20 |
0?10 |
<0.10 |
<0.10 |
???è?¨1???2???????????o???è?????é??é???2???????è|?????????o???é????????????????oSiO2???è???°±è|??±?é??è??é??????°??????¨é???????????è?371%?????????SiO2???é??é??è?31%????????????è????°è???o?é???2?????2????è'¨é????????è|??±????
1?2 ?2??o|??????
??o????????¨?????a?2??o§??-é?????SiO2????????????????????1??????è??è???2??o|?????????????????????è§?è?¨3???
è?¨3 ?2??o|??????è??éa???????
|
?2??o§/mm |
?o§???/% |
??????/% |
?????????/% |
SiO2???é?? |
|
+0.125 |
9?18 |
49.80 |
6.91 |
15.94 |
|
-0?125+0?098 |
16.03 |
61.99 |
15?03 |
7.99 |
|
-0.098+0.074 |
11.81 |
66.53 |
11.88 |
7?40 |
|
-0.074+0.048 |
6.45 |
67?43 |
6?58 |
6?64 |
|
-0?048+0?038 |
18.38 |
68.97 |
19.17 |
4.49 |
|
-0?038 |
38.14 |
70?08 |
40.42 |
2.07 |
|
???è?? |
100.00 |
66.12 |
100.00 |
5.66 |
???è?¨3???????????o?????¨-0.074mm????2??o§??-?????¨é????????è??é??????????¨67%?????????????????????é??è??66.17%???SiO2???é????¨?2??2??o§??-???é??è??é?????
2 ?????????è?¨è?o2?1 ???é??é???2??????'???è??è?????é????±è??éa?
??1???é?????é???????'???è??è?????é????±???é??è??éa????????¨??|????1????¤o????????????????????°??????è??éa???????è§?è?¨4???
è?¨4 ???é?????é???????'???è??è?????é????±???é??è??éa???????
|
????¨? |
?o§??? |
?o§???/% |
??????/% |
?????????/% |
è??éa??????? |
|
?2?é?? |
?2???? |
96?22 |
67.21 |
98?46 |
I??o=0.2A I??a=0.8A T=3s W??????=15ml/s W?o????=115ml/s |
|
?°???? |
3.78 |
26.72 |
1.54 |
||
|
?????? |
100.00 |
65?68 |
100.00 |
||
|
?2?é?? |
?2???? |
96.56 |
68?43 |
98.31 |
I??o=0.2A I??a=0.8A T=3s W??????=15ml/s W?o????=125ml/s |
|
?°???? |
3?44 |
32.97 |
1?69 |
||
|
?????? |
100?00 |
67?21 |
100.00 |
???1 ???é??é???2??????'???è??è?????é????±???é??????¨????
???è?¨4???????????o?????'???é??è????¤??????é????±é????????é??é???2??2???????????????°é???2???????????????o68.43%??????è???????o?????????é???2?????o§??????
2?2 ???é??é???2????-200????2??o§???é????±è??éa?
è?¨3?1?è?¨??????+200?????-SiO2???é??è??é?????è?????é?????é???2??????'??????é?????è???????°??????è???o§é???2???????é??è|?????'????????-¤?°????é??é???2??????-???+200????-???o?1????????¤???????-200???é???2?????????o???é????±??????è??è?????é?????????¨?è§????2???è??éa???????è§?è?¨5???
???2 ???é??é???2????-200????2??o§???é????±è??éa?????¨?
??±è?¨5??????????????o????????o????????o0?2A????????a????????o????????¨0?5A??????????o???????é??è????°100ml/s??????????2?????????????é????o10ml/s??????é??è????¤??????é????±é???????????é????o?2????????????o71%?????????é???2???????
è?¨5 ???é??é???2????-200????2??o§???é????±è??éa???????
|
????¨? |
?o§??? |
?o§???/% |
??????/% |
?????????/% |
è??éa??????? |
|
?2?é?? |
?2???? |
94.35 |
70.63 |
96.87 |
I??o=0.2A I??a=0.7A T=3s W??????=13ml/s W?o????=100ml/s |
|
?°???? |
5?65 |
38.06 |
3.13 |
||
|
?????? |
100.00 |
68.79 |
100.00 |
||
|
?2?é?? |
?2???? |
94?22 |
71.06 |
94?79 |
I??o=0.2A I??a=0.5A T=3s W??????=10ml/s W?o????=130ml/s |
|
?°???? |
5.78 |
63.62 |
5?21 |
||
|
?????? |
100?00 |
70?63 |
100?00 |
2.3 9min???11min??¨????o§?????'???è??è?????é????±è??éa?
?°???????é??é???2????-200???é???2????è????'???è?·????????????è???o§é???2??????????è?????é??é???2??????-+200??????é??é??è??37?02%???é???2?????????????è????????????-¤???è???????¨???a?????é????±????¨???1???é??é???2??????????é???????????????¨?è§????3?????????è§?è?¨6???
???3 9min???11min??¨???-???é????±???é??????¨????
è?¨6 ??¨???a?????é????±???é??????¨???????
|
????????????????????° |
?????? |
9min |
11min |
|
?2?é?? I??o=0.2A I??a=0.7A T=3s W??????=5ml/s W?o????=130ml/s |
?2??????????/% |
70?85 |
70.98 |
|
?°??????????/% |
41.24 |
35.94 |
|
|
????????????/% |
65.49 |
65.48 |
|
|
?2?????o§???/% |
81?90 |
84.30 |
|
|
?????????/% |
88.60 |
91?38 |
|
|
?2?é?? I??o=0.2A I??a=0.5A T=3s W??????=5ml/s W?o????=130ml/s |
?2??????????/% |
71.46 |
71.43 |
|
?°??????????/% |
68?04 |
69?36 |
|
|
????????????/% |
70.85 |
70?98 |
|
|
?2?????o§???/% |
82.16 |
78.26 |
|
|
?????????/% |
82?87 |
78.76 |
???è?¨6???????????o???9min???11min??¨????o§?????'???è??è?????é????±?????????é????o????????¨71%??????????2????????????????é???????¨???????o|???????¤§????2?????????????è?????è????????
2?4 ??¨è??é?????????¨?
??1????????3??§è'¨????????1??????é??è??????3???????è??éa????????????1??????é????¨??¨?????????é???·?è?o???è????????????1?è????????è????????é?????????????????????·?è?o????¨????é?????????????????è§????4???è?¨7???
???4 ??¨è??é??????·?è?o????o§è???o?é???2?????2?????¨?
è?¨7 ??¨è??????¨????é??????·?è?o??????
|
?o§???????§° |
?o§???/% |
??????/% |
?????????/% |
|
?2???? |
74.58 |
71.84 |
81?92 |
|
???é??é???2??2? |
16.96 |
65?49 |
16.98 |
|
?°???? |
8.46 |
8.56 |
1.10 |
|
?????? |
100?00 |
65.40 |
100.00 |
??±è?¨7?????????é??è????1???é??é???2????-200?????¨????¤???????é????¨???é????????é??????-????é?????????????????é??é?????é????±??¤???é????????è???o§é???2???????????????±71?46%???é????°71?84%?????????????¨3?????¨81?87%?·|??3????-¤?¤?????°????????????o8?56%???è????°?o??°?????????????????????????è?·????o?65?49%??????????????????é??é???2????????????????é???o??o§?????????????????????é???o????????????????
2?5?o§???é?????????????????????-|?¤?????'???????
?°?11min??¨????o§??????é??????2????è??è????¤??????é????±é?????????????????????2?????o§???è??è??????-|?¤?????'????é??????????????????????????????|?8???è?¨9????¤o???
è?¨8 è???o§é???2????????¤?????'????????????? %
|
?????? |
TFe |
SiO2 |
|
Al2O3 |
CaO |
MgO |
S |
P |
|
???é??/% |
71?84 |
0?23 |
|
0.27 |
0.25 |
0?08 |
0?03 |
0?01 |
è?¨9 ???é??é???2?????????????????????? %
|
?????? |
???é????? |
è?±é????? |
è¤?é????? |
???é??é?? |
??????é?? |
|
???é??/% |
99.08 |
0.10 |
0?17 |
<0?10 |
<0.10 |
??±è?¨8???è?¨9???????????±è?¨6??????????2?????????¨é??????????o71.84???SiO2???é????o0.23%?????????é?????????????3????'?S???P??????é???1????è??é????????è???o?é???2??????-???è|?????????o???é????????
3 ??? è?o???1???è???????3??-é???????????????2??o|?????1è???2??????·?¤?????o?????·?è???o?é???2??2?????????????é??è?????é???·?è?o????????¨???????o§è???o?é???2??2????
???2???é????????é?????é????±???é????????????1??????????é????±?¨3???????o????é??????2????????????????é????????????o??2?????o§???è'¨é??????¨3??????
???3????????¨???????o|???-0.074mm???é?????è????°88.41%??????????????????é??????????¤??????é????±é???????????????????°?|??????????????2????????????o71.84%??????????????o81.92%?????-???????????o65.49%????°????????????o8.56%????2??????-???è'¨???é??è??????????????è???????3???
???4??????é??é???2??2????é???????¨????o§??oè???o?é???2?????2??????????????o§?????¨é??????????o65%???????????-???????????'????????????é??é???2??2????????o§?·?è?o????¨?è??è???¤???????
???è????????????13 é??è??è·? ?§|?1?????-?????±±???é??é?????????§???????é????????é????????éa???¤?????????????????????è?¨?o??????°????????????2018?1'???7???
???è§???¨???è?·è?3è?o???é??é??????'???????é????±????¤?è???o?é???2????è??éa????
