TY - JOUR
AU1 - Xu, Hao
AU2 - Liu, Jianhua
AU3 - He, Yang
AU4 - Liu, Hongbo
AB - In recent years, countries around the world are researching the use of hydrogen in the field of metallurgy to reduce carbon emission. However, the application of hydrogen is limited in ironmaking and the production of nonferrous metals, which is lack in steelmaking. The insufficiency of temperature and “slag dilution” phenomenon severely restrict the high manganese stainless steel smelting in conventional process. Based on the analysis of these two problems, this paper proposes a new method of stainless steel smelting by hydrogen blowing. By the theoretical calculation, the feasibility and advantages of hydrogen blowing in high manganese stainless steel smelting are analyzed. In the first decarbonization period, the temperature of molten steel can be increased more quickly by 188 K in 20 min, reducing 1.4 t carbon emissions at the same time, or additional 7.8–9.3 t of cold charge can be added by blowing hydrogen from the side gas jet. And the activity of chromium VI in the slag can be reduced to 10–20 effectively by blowing hydrogen. In the second decarbonization period, hydrogen blowing can also control the content of dissolved oxygen in molten steel and reduce the oxidation of chromium, manganese and iron, which may succeed in inhibiting “slag dilution” phenomenon. In the reduction period, the use of hydrogen to replace argon as the stirring gas can promote the reduction of chromium oxide, manganese oxide and iron oxide in the slag and increase the final metal yield.Graphical AbstractThe advantages of hydrogen blowing in steelmaking [graphic not available: see fulltext]
TI - Performance analysis of hydrogen blowing in high manganese stainless steel smelting
JF - Clean Technologies and Environmental Policy
DO - 10.1007/s10098-023-02518-y
DA - 2023-09-01
UR - https://www.deepdyve.com/lp/springer-journals/performance-analysis-of-hydrogen-blowing-in-high-manganese-stainless-6XcljAC00T
SP - 2377
EP - 2391
VL - 25
IS - 7
DP - DeepDyve
ER -