Optimization of Process Operation and Power Supply Scheme for 150 t LF

王义芳; 胡志刚; 赵英利; 周学禹; 李杰

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Optimization of Process Operation and Power Supply Scheme for 150 t LF

更新时间：2026-01-21

- Optimization of Process Operation and Power Supply Scheme for 150 t LF
- Special Steel Vol. 34, Issue 1, Pages: 37-40(2013)
- 作者机构：
  
  1. 河北钢铁集团.,石家庄,050000
  2. 河北钢铁技术研究总院,石家庄,050000
  3. 河北钢铁集团承钢公司,承德,067002
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：06 August 2012，
  
  Online First：14 September 2022，
  
  Published：14 September 2013
- 稿件说明：
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王义芳, 胡志刚, 赵英利, et al. Optimization of Process Operation and Power Supply Scheme for 150 t LF[J]. Special Steel, 2013, 34(1): 37-40.
DOI：

王义芳, 胡志刚, 赵英利, et al. Optimization of Process Operation and Power Supply Scheme for 150 t LF[J]. Special Steel, 2013, 34(1): 37-40. DOI：

摘要

150 t钢包炉(LF)精炼的钢种主要有汽车大梁钢、车轮钢等

其生产流程为150 t转炉-150 t LF-板坯连铸-连轧。通过150 t LF平均初渣碱度由3.4降至2.1

喂Ca线平均速度由4.0 m/s提高至4.7 m/s

改善了初渣流动性

吨钢Al用量降低0.15 kg

钙的收得率提高了17%;通过供电制度的优化

在加热期间降低电耗2.5k Wh/s

钢液升温速度可提高0.93℃/min。

Abstract

The 150t ladle furnace (LF) refining main steels are beam steels for car and wheel steels etc

with production flow sheet 150 t converter-150 t LF-slab casting-continuous rolling. With decreasing the 150t LF average initial slag basicity form 3. 4 to 2. 1 and increasing the Ca wire average feeding rate from 4. 0 m/s to 4. 7 m/s

the initial slag flowability is obviously improved

the Al consumption decreases by 0. 15 kg/1 and the yield of calcium increases by 17% ； with optimizing the power supply scheme the electricity consumption decreases by 2. 5 kWh/s in heating period and the heating-up rate of liquid increases by 0. 93℃ /min.

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