Numerical Simulation of Effect of Casting Speed on Level Fluctuation of Liquid in Billet Mold

韩毅彤; 张炯明; 罗衍昭; 雷少武; 李茂康

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Numerical Simulation of Effect of Casting Speed on Level Fluctuation of Liquid in Billet Mold

更新时间：2026-01-21

- Numerical Simulation of Effect of Casting Speed on Level Fluctuation of Liquid in Billet Mold
- Special Steel Vol. 34, Issue 6, Pages: 14-17(2013)
- 作者机构：
  
  北京科技大学冶金与生态工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：24 June 2013，
  
  Online First：06 September 2022，
  
  Published：06 September 2013
- 稿件说明：
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韩毅彤, 张炯明, 罗衍昭, et al. Numerical Simulation of Effect of Casting Speed on Level Fluctuation of Liquid in Billet Mold[J]. Special Steel, 2013, 34(6): 14-17.
DOI：

韩毅彤, 张炯明, 罗衍昭, et al. Numerical Simulation of Effect of Casting Speed on Level Fluctuation of Liquid in Billet Mold[J]. Special Steel, 2013, 34(6): 14-17. DOI：

摘要

利用流体力学软件Fluent建立180 mm×180 mm铸坯结晶器内"钢-渣"两相流模型

对结晶器液面波动行为进行数值模拟

研究浸入式水口自结晶器中心位置偏离量(0~30 mm)和拉速(2.0~3.0 m/min)对结晶器液面波动行为的影响。发现在相同浸入式水口偏离量下增加拉速

钢液面波动的整体趋势增加

且偏移量与拉速越大

液面波动增幅越大;低拉速时

波谷出现在水口边缘

水口周围剧烈波动;高拉速时

波谷出现在结晶器右壁面

使得钢液液面波动加剧

容易产生卷渣。

Abstract

With using established "liquid-slag" two phase flow model in mold for 180 mm x 180 mm billet by fluid mechanics software Fluent

the numerical simulation on behavior of liquid level fluctuation is carried out to study the effect of deviation distance of submerged nozzle from mold center (0 ~ 30 mm) and casting speed (2. 0 ~3. 0 m/min) on behavior of level fluctuation of liquid in mold. It is found that at same deviation distance of submerged nozzle

with increasing the casting speed

the trend of the whole for liquid level fluctuation increases

and the more of deviation distance and casting speed

the more of increment of liquid level fluctuation ； at low casting speed

the wave troughs occur at edge of nozzle with violent fluctuations around nozzle outlet; at high casting speed

the wave troughs occur at right wall of mold to intensify the liquid level fluctuation and easily form slag entrapment.

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