Founded in 1987, Bimonthly
Supervisor:Jiangxi University Of Science And Technology
Sponsored by:Jiangxi University Of Science And Technology
Jiangxi Nonferrous Metals Society
ISSN:1674-9669
CN:36-1311/TF
CODEN YJKYA9
WANG Fei, NIU Jiazhen, GUO Shengqi, WANG Junli, GUO Jing. Prediction study of desulfurization during the argon protective electroslag remelting process[J]. Nonferrous Metals Science and Engineering, 2024, 15(4): 487-496. DOI: 10.13264/j.cnki.ysjskx.2024.04.003
Citation: WANG Fei, NIU Jiazhen, GUO Shengqi, WANG Junli, GUO Jing. Prediction study of desulfurization during the argon protective electroslag remelting process[J]. Nonferrous Metals Science and Engineering, 2024, 15(4): 487-496. DOI: 10.13264/j.cnki.ysjskx.2024.04.003

Prediction study of desulfurization during the argon protective electroslag remelting process

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  • Received Date: February 12, 2023
  • Revised Date: July 31, 2023
  • During the industrial-scale argon P-ESR process, the accumulation of sulfur content removed from steel in melt slag will affect the efficiency of desulfurization reaction, causing a non-uniformity of sulfur content in the remelted ingot. Currently, research on electroslag desulfurization has been mainly conducted at a relatively small experimental scale, whose kinetic conditions is significantly different from the large-scale one so that its relevant research findings have its limitations on industrial applications. Therefore, this study established a desulfurization reaction model for industrial-scale electroslag remelting process. Its calculation results were basically consistent with the experimental ones, verified by a 3 t P-ESR experiment. The research results showed that reducing the initial sulfur content in the electrode and slag, increasing the slag volume and the sulfur capacity, and lowering the electrode descent speed are all conducive to improving the desulfurization ratio. A simplified formula of the model based on these research findings has been derived, which can be directly used to approximately calculate the sulfur content at different mass positions within the remelted ingot.

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