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Process Development and Practical Research on Converter Smelting of Low-Phosphorus Clean Steel

Lixing Ma

Lixing Ma

Qian’an College, North China University of Science and TechnologyTangshan, China
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Ma, Lixing
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Qianqian Ye

Qianqian Ye

Qian’an College, North China University of Science and TechnologyTangshan, China
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Ye, Qianqian
  
24. März 2025
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Online veröffentlicht: 24. März 2025
Eingereicht: 10. Okt. 2024
Akzeptiert: 02. Feb. 2025
DOI: https://doi.org/10.2478/amns-2025-0745
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© 2025 Lixing Ma et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

LF refining furnace clean steel smelting process
LF refining furnace clean steel smelting process

Figure 2.

Effect of alkalinity of dephosphorized slag on dephosphorization rate
Effect of alkalinity of dephosphorized slag on dephosphorization rate

Figure 3.

Effect of early dephosphorization time on dephosphorization rate
Effect of early dephosphorization time on dephosphorization rate

Figure 4.

Effect of semi-steel temperature on dephosphorization rate
Effect of semi-steel temperature on dephosphorization rate

Figure 5.

Relationship between temperature and dephosphorization rate
Relationship between temperature and dephosphorization rate

Figure 6.

Relationship between alkalinity and dephosphorization rate
Relationship between alkalinity and dephosphorization rate

Figure 7.

Relationship between carbon content and dephosphorization rate
Relationship between carbon content and dephosphorization rate

Figure 8.

Dephosphorization rate with different bottom blowing flow rates
Dephosphorization rate with different bottom blowing flow rates

LF refining furnace main equipment parameters

Name argument
Nominal capacity 90±5t
Rated current 30kA
Maximum allowable current 380kA
Transformer capacity 15000kV
Ladle pool diameter 1700mm
Electrode diameter 350mm
Vacuum degree ≤60Pa
Heating rate 5°C/min
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
1 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Biologie, Biologie, andere, Mathematik, Angewandte Mathematik, Mathematik, Allgemeines, Physik, Physik, andere
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