等离子炉熔炼碳铬铁

李慧; 仇永全; 万天骥; 任大宁

Volume 3 Issue 1

Mar. 1996

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文章导航 > 矿物冶金与材料学报（英文版） > 1996 > 3(1) : 17-20,54.

Cite this article as:

LI Hui, CHOU Yong-quan, WAN Tian-ji, and REN Da-ning, RESEARCH ON SMELTING LOW-CARBON FERROCHROME IN A PLASMA FURNACE, J. Univ. Sci. Technol. Beijing , 3(1996), No. 1, pp.17-20,54.

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等离子炉熔炼碳铬铁

北京科技大学治金系, 北京 100083

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- 文章访问数: 485
- HTML全文浏览量: 101
- PDF下载量: 13

中文摘要

采用以氮气为工作气体的非转移等离子枪,在密闭熔炼炉内熔化块状高碳铬铁,加热至1600℃后开始由顶部向熔池供氧降碳,同时继续加热使熔池温度维持在高于1750℃,熔池底部通氮气搅拌.试验获得了含碳,铬分别为0.45%,20.25%和0.42%,70.25%的低碳铬铁,铬的氧化损失保持在5%以下.

关键词:

等离子炉 ;
铬铁 ;
熔炼

RESEARCH ON SMELTING LOW-CARBON FERROCHROME IN A PLASMA FURNACE

Author Affilications

Department of Metalllurgy, USTB, Beijing 100083, PRC

Received: 09 September 1995;

Abstract:

By a non-transformed arc plasma torch whose gas is nitrogen,scrap of high-carbon ferrochrome was heated and melted in a sealed furnace. When the liquid bath was at 1600℃,top blowing of oxygen began to decrease the bath's carbon without stopping plasma operation for its temperature addition and maintennace of at least 1750 ℃. The liquid bath was agitated by bottom-blowning nitrogen. In the experiments low carbon Fe-Cr have been obtained whose composition respectively was 0.45% carbon,50.75% chrome and 0.42% carbon, 70.25% chrome. Loss of chrome could be less than 5%.

Keywords:

plasma furnace ;
ferrchrome ;
smelting

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