Analysis on Etching of Slag Line Brick of Ladle for Refining Steel Cord of Tyre and Technology Measure for Increasing Service Life

肖卫军

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Analysis on Etching of Slag Line Brick of Ladle for Refining Steel Cord of Tyre and Technology Measure for Increasing Service Life

更新时间：2026-01-21

- Analysis on Etching of Slag Line Brick of Ladle for Refining Steel Cord of Tyre and Technology Measure for Increasing Service Life
- Special Steel Vol. 28, Issue 1, Pages: 55-56(2007)
- 作者机构：
  
  武汉钢铁集团公司第一炼钢厂,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：21 July 2006，
  
  Online First：16 January 2023，
  
  Published：16 January 2007
- 稿件说明：
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肖卫军. Analysis on Etching of Slag Line Brick of Ladle for Refining Steel Cord of Tyre and Technology Measure for Increasing Service Life[J]. Special Steel, 2007, 28(1): 55-56.
DOI：

肖卫军. Analysis on Etching of Slag Line Brick of Ladle for Refining Steel Cord of Tyre and Technology Measure for Increasing Service Life[J]. Special Steel, 2007, 28(1): 55-56. DOI：

摘要

通过优化工艺：干砌砖缝≤0.5 mm

镁碳砖MgO含量≥75%

精炼渣中MgO含量≤20%

VD处理时间由45 min降低到30 min

低粘度熔渣精炼时间由45 min降低至15 min以及用双渣线操作法，生产0.70～0.75C 帘线钢时，100 t LF(VD)的钢包渣线砖的使用寿命由15次提高到27次。

Abstract

With optimized process such as dry masonry brickwork joint ≤0.5 mm

MgO content in magnesium-carbon brick ≥75%

MgO content in refining slag≤20%

VD treating time decreasing from 45 min to 30 min and refining time with low viscosity slag decreasing from 45 min to 15min

the service life of slag line brick in an 100 t LF(VD)umit by using double slag line operation method for production of 0.70~0.75C steel cord of tyre increased from 15 heats to 27 heats.

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