University of Science and Technology Beijing

Junguo Zhang

Chunhui Zhang

Hui Li

Jiangshan Zhang

Zicheng Xin

A method and system for predicting an addition amount of slagging lime during ladle furnace (LF) refining, and an LF refining method are provided. The method includes: S: calculating an actual sulfur distribution ratio in combination with a Kungliga Tekniska H&#xf6;gskolan (KTH) model and a least square method by using LF refining parameters; S: calculating, according to a principle of sulfur mass conservation, a mass of final slag by using the LF refining parameters and the actual sulfur distribution ratio obtained in S; and S: calculating, according to a principle of material conservation during LF refining, an addition amount of slagging lime during the LF refining by using the LF refining parameters and the mass of the final slag obtained in S, thereby predicting the addition amount of the required slagging lime.

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Beijing, China

Junguo Zhang