发明名称 |
CONVERTER REFINING METHOD USING HIGH SILICON HOT METAL |
摘要 |
PURPOSE: A converter refining method using high silicon hot metal is provided which not only prevents slopping but also improves dephosphorization efficiency. CONSTITUTION: The converter refining method using high silicon hot metal comprises the processes of tilting a furnace body after injecting 10 to 15 kg of hard-burned dolomite for 1 ton of total charging amount into a converter in which 15 to 25% of the total slag remains from the previous operation; injecting an appropriate amount of subsidiary raw material at the appropriate injection time after injecting 10 to 15 kg of calcium oxide for protecting the furnace body into the converter; and converter refining by blowing an appropriate flow rate of oxygen at a proper lance height, wherein the high silicon hot metal comprises 0.50 to 0.85 wt.% of Si, 0.25 to 0.45 wt.% of Mn, and 0.08 to 0.13 wt.% of P.
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申请公布号 |
KR20010047206(A) |
申请公布日期 |
2001.06.15 |
申请号 |
KR19990051315 |
申请日期 |
1999.11.18 |
申请人 |
POHANG IRON & STEEL CO.LTD |
发明人 |
KIM, JEONG SIK;PARK, TAE YUN |
分类号 |
C21C5/28;(IPC1-7):C21C5/28 |
主分类号 |
C21C5/28 |
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地址 |
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