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| BATH REACTIONS OF ELECTRIC-FURNACE STEELMAKING WITH OXYGEN INJECTION |
| FANG BING;WANG CHING-TANG;HOO CHWANG-CHI;LIU CHENG-CHI AND HSING CHUNG-SHU Institute of Metal Research;Academia Sinica |
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Cite this article:
FANG BING;WANG CHING-TANG;HOO CHWANG-CHI;LIU CHENG-CHI AND HSING CHUNG-SHU Institute of Metal Research;Academia Sinica. BATH REACTIONS OF ELECTRIC-FURNACE STEELMAKING WITH OXYGEN INJECTION. Acta Metall Sin, 1956, 1(3): 243-254.
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Abstract Bath reactions during the oxidizing period of electric-furnace steelmaking withinjection were studied. It is found that,under favourable conditions,a rate of carbon removal ofabout 0.015—0.020%C per minute(that of the normal smelting with ore beingaround 0.005% C per minute only)may be obtained;(FeO)and[O]decreasesignificantly and approach to equilibrium with[C]during the oxidizing period,andthe decrement of[O]increases proportionately with the increase of the rate ofcarbon removal.Dephosphorization during the oxidizing period is found to be rather ineffective,the average[P]removed amounts to about 0.004% only.With a supplementaryoperation of dephosphorization during the melting period,[P]can be reduced toless than 0.015% at the end of oxidizing period.However,the dephosphorizationmechanism in the case of the oxygen smelting is still not yet clear.
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Received: 18 March 1956
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[1] #12
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[5] Schenk,H.,Physical Chemistry of Steel-making(English edition),1945,148．
[6] #12
[7] 高桥俊雄,铁与钢,昭和28年(1953) 2月,97．
[8] 同文献[4] ,512-513． |
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