ISSN：1003-8620

CN：42-1243/TF

主管：中信泰富特钢集团股份有限公司

主办：大冶特殊钢有限公司

特殊钢 ›› 2005, Vol. 26 ›› Issue (1): 57-59.

• 工艺技术 • 上一篇    

精炼埋弧渣系对60t钢包炉(LF)钢水升温速度的影响

刘润藻, 战东平, 姜周华 ,姜茂发   

  1. 东北大学材料与冶金学院，沈阳110004

  • 收稿日期:2004-08-23 出版日期:2005-02-01 发布日期:2023-05-24
  • 作者简介:刘润藻，男，48岁，高级工程师。1982年毕业于北京钢铁学院电冶金专业，从事电弧炉炼钢研究工作。

Effect of Embedding Arc Refining Slag on Heat up Rate of Molten Steel in a 60t Ladle Furnace

Liu Runzao, Zhan Dongping, Jiang Zhaohua , Jiang Maofa   

  1. School of Materials and Metallurgy, Northeastern University, Shenyang 110004
  • Received:2004-08-23 Published:2005-02-01 Online:2023-05-24

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摘要： 在 5 5～ 75kg实验钢包炉精炼渣系的研究基础上 ,采用组成 (% )为 :63.6～ 70.0石灰 ,22.7～ 25.0高铝矾土 ,5.0～13.6萤石 (S1渣) ;60.0～ 66.7石灰 ,20.8～ 25.0萤石 ,12.5～ 15.0火砖块(S2渣 ) ;55.5～ 65.0石灰 ,35.0～ 44.5萤石 (S3渣)3种渣系进行 60tLF精炼渣埋弧工业试验 ,所精炼的钢种为 20 ,20G ,40Cr ,35CrMoA和GCr15。结果表明 ,用3种渣系钢水平均脱硫率均为 87%, LF在采用S1、S2、S3渣系精炼时钢水平均升温速度分别为 3.84℃ min、2.86℃ min和 2.48℃ min。S1渣的脱硫速度快 ,从而缩短了精炼时间。

关键词: 钢包炉, 精炼渣, 脱硫, 升温速度

Abstract: Based on research of refining slag series by 55~75kg experimental ladle furnace (LF),the commercial production experiment of embedding are refining slag in a 60t ladle furnace has been carried out using three kind of slag:S1  slag-63.6~70.0 lime,22.7～25.0 high alumina and 5.0~13.6 fluorite; S2 slag-60.0~66.7 lime, 20.8～25.0 fluorite and 12.5～15.0 refractory block; and S3 slag-55.5～65.0 lime and 35.0～44.5 fluorite, and the refining steel grades were 20,20G,40Cr,35CrMoA and CCr15  steel. The results showed that all average desulphurization rate of molten steel using the three-slag series was 87%, and the average heat up rate of molten steel during LF refining was 3.84 ℃/min, 2.86 ℃/min and 2.48 ℃/min respectively by using S1, S2 and S3 slag series. As desulphurization speed was quick by using S1 slag therefore the refining time decreased.

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