Process Practice of a 60 t AOD Charging Dephosphorized Hot-Metal One Steep Steelmaking Stainless Steel 0Crl2Mnl5NiCuN

冯文甫; 郭键; 叶凡新; 曹红波; 陈月光

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Process Practice of a 60 t AOD Charging Dephosphorized Hot-Metal One Steep Steelmaking Stainless Steel 0Crl2Mnl5NiCuN

更新时间：2026-01-21

- Process Practice of a 60 t AOD Charging Dephosphorized Hot-Metal One Steep Steelmaking Stainless Steel 0Crl2Mnl5NiCuN
- Special Steel Vol. 38, Issue 4, Pages: 35-37(2017)
- 作者机构：
  
  邢台钢铁有限责任公司炼钢厂,邢台,054027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 February 2017，
  
  Online First：20 July 2022，
  
  Published：20 July 2017
- 稿件说明：
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冯文甫, 郭键, 叶凡新, et al. Process Practice of a 60 t AOD Charging Dephosphorized Hot-Metal One Steep Steelmaking Stainless Steel 0Crl2Mnl5NiCuN[J]. Special Steel, 2017, 38(4): 35-37.
DOI：

冯文甫, 郭键, 叶凡新, et al. Process Practice of a 60 t AOD Charging Dephosphorized Hot-Metal One Steep Steelmaking Stainless Steel 0Crl2Mnl5NiCuN[J]. Special Steel, 2017, 38(4): 35-37. DOI：

摘要

邢钢一步法冶炼不锈钢的流程为铁水脱磷-扒渣-AOD-LF-CCM。分析了还原渣碱度1.5~2.2对锰收得率的影响和0Cr12Mn15NiCuN钢中氮含量对吹氩脱氮量的影响

得出控制炉渣碱度2.02.3可使锰收得率97%以上

在脱碳期和还原期吹氮

还原期结束后58 t钢水吹人6080 m

氩气

可使钢液中氮含量控制在0.18%0.25%。60 t AOD生产结果表明

与"电弧炉+AOD"的两步法生产模式相比

采用脱磷铁水直兑AOD的一步法模式生产0Cr12Mn15NiCuN钢的总成本降低约500元/t。

Abstract

The flowsheet of one stop process for steelmaking stainless steel at Xingsteel is hot metal dephosphorizing- slag skimmigs-AOD-LF-CCM. The effect of reducing slag basicity 1. 5 ~2. 2 on yield of manganese and the effect of nitrogen content in steel 0Crl2Mnl5NiCuN on de-nitrogen of steel by blowing argon process are analyzed

it is obtained that with controlling the slag basicity 2. 0 ~ 2. 3 the manganese yield is more than 97 %

and with blowing nitrogen in decarburizing period and reducing period

as blowing 60 〜80 m

argon in 58 t liquid after end reducing period

the nitrogen content in liquid may control between 0. 18% and 0. 25%. 60 t AOD production results show that as compared with " EAF + AOD” two step mode the total cost for production of steel 0Crl2Mnl5NiCuN by using AOD direct charging dephosphorized hot-metal one step mode decreases by 500

yuan/t.

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