A Study on Remaining Slag Operation of 80 t BOF Steelmaking Steel SCM435

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- A Study on Remaining Slag Operation of 80 t BOF Steelmaking Steel SCM435
- Special Steel Vol. 39, Issue 5, Pages: 14-17(2018)
- 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：03 April 2018，
  
  Online First：27 May 2022，
  
  Published：27 May 2018
- 稿件说明：
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霍志斌, 赵彦岭, 王建林, et al. A Study on Remaining Slag Operation of 80 t BOF Steelmaking Steel SCM435[J]. Special Steel, 2018, 39(5): 14-17.
DOI：

霍志斌, 赵彦岭, 王建林, et al. A Study on Remaining Slag Operation of 80 t BOF Steelmaking Steel SCM435[J]. Special Steel, 2018, 39(5): 14-17. DOI：

试验研究了转炉冶炼SCM435钢时留渣操作(留渣分数1/3～2/3渣量)对石灰加入量、平衡碱度的留渣炉数和终渣碱度的影响

总结了留渣操作的注意事项。80 t转炉实施留渣操作后

留渣率达到68.9%

成品P含量≤0.015%的比例比从留渣前的49.3%提高到62.2%

同时石灰消耗降低了4.5 kg/t、每炉渣中铁损失减少230 kg。

The effect of remaining slag operation (remaining slag fraction 1/3 ~ 2/3 slag amount) of BOF steelmaking steel SCM435 on lime adding amount

remaining slag heats of equilibrium basicity and end slag basicity is tested and studied

and the points for attention in slag remaining operation are summarized. As the 80t BOF remaining slag operation is put into practice

the remaining slag rate is up to 68. 9%

the ratio of P content ≤ 0. 015% in product increases from original 49. 3% to 62. 2%

and the lime consumption decreases by 4. 5 kg/t

and the iron loss in slag decreases by 230 kg.

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