Industrial Application of Bottom–Blown CO2 in Basic Oxygen Furnace Steelmaking Process,Steel Research International

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Industrial Application of Bottom–Blown CO2 in Basic Oxygen Furnace Steelmaking Process
Steel Research International ( IF 1.9 ) Pub Date : 2021-06-26 , DOI: 10.1002/srin.202000704
Chao Feng _{1,

2} , Rong Zhu _{1,

2} , Runzao Liu _{1,

2} , Kai Dong _{1,

2} , Guangsheng Wei _{1,

2}

Affiliation

A significant amount of CO₂ is emitted and utilized in the production processes engaged by iron and steel enterprises. Herein, the feasibility and principles of CO₂ participation in the steelmaking process are analyzed, and an industrial examination of bottom-blown CO₂ smelting in a 120 t converter is performed; this serves to summarize and verify the metallurgical advantages of CO₂ participation in the converter steelmaking process. The injection of CO₂ improves the effects of dephosphorization and denitrification, reduces the end-point oxygen content of molten steel, diminishes the consumption of the slagging agent, and contributes to a reduction in production costs and improvement in product quality. This study analyzes two different recycling paths of CO₂ in iron and steel enterprises, providing a new mechanism for CO₂ emission reduction.

中文翻译：

底吹CO2在碱性氧气炉炼钢过程中的工业应用

钢铁企业在生产过程中排放和利用了大量的CO ₂。本文分析了CO ₂参与炼钢过程的可行性和原理，并对120t转炉底吹CO ₂冶炼进行了工业检验；这有助于总结和验证 CO ₂参与转炉炼钢过程的冶金优势。CO ₂的注入提高脱磷脱硝效果，降低钢水终点氧含量，减少结渣剂用量，有利于降低生产成本，提高产品质量。本研究分析了钢铁企业CO ₂两种不同的回收路径，为CO ₂减排提供了新的机制。

更新日期：2021-06-26

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