Integrated Mathematical Model for Nitrogen Control in Oxygen Steelmaking Process

被引：0
作者：
Nam, Joonhyun [1 ]
Rout, Bapin [2 ]
Chatterjee, Saikat [2 ]
Van Ende, Marie-Aline [1 ,3 ]
Jung, In-Ho [1 ,3 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, 1 Gwanak Ro, Seoul 08826, South Korea
[2] Tata Steel R&D, Wenckebachstraat 1, NL-1951 JZ Ijmuiden, Netherlands
[3] Seoul Natl Univ, Res Inst Adv Mat RIAM, 1 Gwanak Ro, Seoul 08826, South Korea
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2025年
关键词：
DROP SIZE DISTRIBUTION; LIQUID-IRON; INTERFACIAL KINETICS; COMPREHENSIVE MODEL; METAL; DECARBURIZATION; EMULSION; RATES; LADLE;
D O I：
10.1007/s11663-025-03478-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The control of nitrogen content in liquid steel becomes an important issue for future REF (Reducing Electric Furnace)-BOF (Basic Oxygen Furnace) process to produce ultra-clean steel. In this study, an integrated model to predict nitrogen in a full-scale BOF process was developed. The present model can calculate nitrogen removal and pickup in the different reaction zones including slag-metal-gas emulsion, hotspot, and Ar/N2 bubbles depending on static inputs such as composition and temperature of hot metal and scrap, and dynamic process parameters namely lance height, oxygen flow rate, and bottom stirring gas flow rate during BOF operation. Data from a 330-ton industrial BOF operation at Tata Steel Netherlands were used for the model validation. The present model was applied to the calculation of nitrogen concentration profiles in the BOF process depending on various future operation scenarios pertaining to the decarbonization of the steelmaking process.
引用
收藏
页码：2202 / 2223
页数：22
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