Effect of Fluid Flow Control Devices on Optimization of Flow Field in Tundish for Slab Casting

冯捷; 唐德池; 包燕平; 武珣

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Effect of Fluid Flow Control Devices on Optimization of Flow Field in Tundish for Slab Casting

更新时间：2026-01-21

- Effect of Fluid Flow Control Devices on Optimization of Flow Field in Tundish for Slab Casting
- Special Steel Vol. 31, Issue 2, Pages: 17-20(2010)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 河北科技大学材料科学与工程学院,石家庄,050018
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 October 2009，
  
  Online First：16 November 2022，
  
  Published：16 November 2010
- 稿件说明：
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冯捷, 唐德池, 包燕平, et al. Effect of Fluid Flow Control Devices on Optimization of Flow Field in Tundish for Slab Casting[J]. Special Steel, 2010, 31(2): 17-20.
DOI：

冯捷, 唐德池, 包燕平, et al. Effect of Fluid Flow Control Devices on Optimization of Flow Field in Tundish for Slab Casting[J]. Special Steel, 2010, 31(2): 17-20. DOI：

摘要

根据相似原理

用1:3水模型研究了230 mm×130 mm板坯连铸用60 t中间包内钢水的流动特征

通过测定模型中间包内停留时间分布曲线

计算其平均停留时间及死区

活塞区和混合区的体积。结果表明

采用下挡墙开孔能有效地改善中间包内流场

得出优化后合适的钢包控流装置组合为开孔下挡墙+湍流控制器

下挡墙高133 mm

距离冲击区765 mm。优化后的中间包比原中间包平均停留时间增加了24 s

死区体积由原来的14.8%下降至6.7%。

Abstract

Based on similarity principle

the flow performance of liquid in 60 t tundish for 230 mm x 130 mm slab casting has been studied by 1：3 water modeling test

and the average residence time

and the volume of dead area

plug area and mixed flow area are calculated by measured curves of residence time distribution (RTD) of liquid in modeling ladle. It is obtained that dam with holes is available to improve the flow field in tundish

the optimum combined device of inhibitors to improve the flow of liquid in tundish is turbulence inhibitor + dam with holes

of which the height of dam is 133 mm and the distance between dam and pouring region is 765 mm. As compared with original ladle

the average residence time of liquid in improved ladle increases by 24 s

and the dead area decreases to 6. 7% from original 14. 8%.

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