发明名称 |
METHOD FOR REFINING HOT METAL USING SENSIBLE HEAT IN TLC |
摘要 |
PURPOSE: A method for refining hot metal is provided to prevent deficiency of heat source according to the addition of cold pig metal and the pick-up of £S|in a converter and remove problems according to the deficiency of the amount of hot metal by injecting the cold pig metal into a TLC (torpedo ladle car) before tapping the hot metal after the post-slag off. CONSTITUTION: In a method for refining hot metal tapped from the blast furnace process into molten steel in a converter, the method for refining hot metal comprises the steps of receiving the hot metal tapped from the blast furnace into a TLC (3); injecting cold pig metal into the hot metal in the TLC; pretreating the hot metal to which cold pig metal is injected; and manufacturing molten steel by injecting the pretreated hot metal into a converter, wherein the cold pig metal injected into the TLC is in the amount range of 10 to 15 tons per a TLC, the cold pig metal is injected into the TLC before the tapping step after the step of post-slag off, and a fixed chute (21) is used for injecting the cold pig metal into the TLC.
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申请公布号 |
KR20010056252(A) |
申请公布日期 |
2001.07.04 |
申请号 |
KR19990057638 |
申请日期 |
1999.12.14 |
申请人 |
POHANG IRON & STEEL CO., LTD. |
发明人 |
HWANG, SANG TAEK;JUNG, TAE JEONG;LEE, JAE YEONG;LEE, SANG GYU |
分类号 |
C21C7/00;(IPC1-7):C21C7/00 |
主分类号 |
C21C7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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