Effects of Technological Factors on Solidified Process During Continuous Casting of 82B Steel 280 mm x 325 mm Bloom

吕进; 徐东; 郑冰; 庞洪轩; 邹志鹏; 杨昕昆

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Effects of Technological Factors on Solidified Process During Continuous Casting of 82B Steel 280 mm x 325 mm Bloom

更新时间：2026-01-21

- Effects of Technological Factors on Solidified Process During Continuous Casting of 82B Steel 280 mm x 325 mm Bloom
- Special Steel Vol. 43, Issue 2, Pages: 12-15(2022)
- 作者机构：
  
  1. 河北工程大学河北省高品质冷傲钢技术创新中心,邯郸,056038
  2. 安阳市新普钢铁有限公司技术中心,安阳,455003
  3. 辽宁科技大学冶金学院,鞍山,114051
  4. 河北普阳钢铁集团河北省高韧性风塔钢工程研究中心,邯郸,056305
  5. 河北普阳钢铁集团河北省高塑韧性耐磨钢板技术创新中心,邯郸,056305
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 August 2021，
  
  Online First：09 June 2022，
  
  Published：09 June 2022
- 稿件说明：
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吕进, 徐东, 郑冰, et al. Effects of Technological Factors on Solidified Process During Continuous Casting of 82B Steel 280 mm x 325 mm Bloom[J]. Special Steel, 2022, 43(2): 12-15.
DOI：

吕进, 徐东, 郑冰, et al. Effects of Technological Factors on Solidified Process During Continuous Casting of 82B Steel 280 mm x 325 mm Bloom[J]. Special Steel, 2022, 43(2): 12-15. DOI：

摘要

为模拟不同工艺条件下的连铸坯的凝固过程

采用有限元法模拟了82B钢连铸的凝固过程

获得280 mm×325 mm连铸坯的温度场。结果表明

随拉速从0.60 m/min增加到0.76 m/min

凝固时f

=1处与f

=0处皆后移

但中心凝固时间反而增加了9.8%。随过热度由15℃增加到50℃时

凝固末端f

=1处同样后移

约后移1.1 m。根据模拟结果改进连铸工艺

当拉速从0.60 m/min增加到0.76m/min

增加轻压下工艺可改善低倍质量。

Abstract

In order to simulate solidification process of the bloom continuous casting under different technological factors

the solidification process of 82B steel is simulated by using finite element method

and temperature field of 280 mm x 325 mm casting bloom is obtained. The results show that the solidification at f

=1 and f

=0 both move backward with the increase of the casting speed from 0. 60 m/min to 0. 76 m/min

but the solidification time of center increases by 9. 8% ； when the superheat increases from 15 °C to 50°C

the solidification end （f

=1） also moves backward about 1. 1 m. Based on simulation result to improve casting process

as casting speed increasing from 0. 60 m/min to 0. 76 m/min

with adding soft reduction

it is availebe to improve macrostructure quality.

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