Copper Penetration of a Lance in a Smelting Furnace of the Mitsubishi Process

被引：4
|
作者：
Lim, Sung-Mi [1 ]
Yi, Kyung-Woo [1 ,2 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, 1 Gwanakro, Seoul 151742, South Korea
[2] Seoul Natl Univ, Res Inst Adv Mat, 1 Gwanak Ro, Seoul 151742, South Korea
来源：
METALS AND MATERIALS INTERNATIONAL | 2022年 / 28卷 / 04期
关键词：
Smelting furnace; Thermodynamics analysis; Surface erosion of high Cr steel; Fracture of lance; Cu penetration phenomena;
D O I：
10.1007/s12540-020-00959-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study was aimed to determine the main cause of lance fracture in a smelting furnace of the Mitsubishi continuous process for Cu production. Investigation of lances used in field operations, thermodynamic analysis and laboratory experiments were conducted. By analyzing the lances, damaged surface of the lances and penetration of matte components into the lance were observed. The depth of damage was strongly dependent on the lance height which was related to temperature. To determine the temperature of the lance fracture, thermodynamics calculations and laboratory experiments were conducted. Both results showed that the formation of Cu liquids above 1100 degrees C could be the main cause of lance fracture during operation of Cu smelting furnaces of the Mitsubishi process. Graphic
引用
收藏
页码：907 / 918
页数：12
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