Numerical and Physical Simulation for Effect of Baffle Structure on Flow Characteristics of Liquid in a 46 t Tundish

李洋; 金焱; 冯学武; 常正昇; 金业磊

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Numerical and Physical Simulation for Effect of Baffle Structure on Flow Characteristics of Liquid in a 46 t Tundish

更新时间：2026-01-21

- Numerical and Physical Simulation for Effect of Baffle Structure on Flow Characteristics of Liquid in a 46 t Tundish
- Special Steel Vol. 35, Issue 5, Pages: 15-18(2014)
- 作者机构：
  
  武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：26 April 2014，
  
  Online First：31 August 2022，
  
  Published：31 August 2014
- 稿件说明：
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李洋, 金焱, 冯学武, et al. Numerical and Physical Simulation for Effect of Baffle Structure on Flow Characteristics of Liquid in a 46 t Tundish[J]. Special Steel, 2014, 35(5): 15-18.
DOI：

李洋, 金焱, 冯学武, et al. Numerical and Physical Simulation for Effect of Baffle Structure on Flow Characteristics of Liquid in a 46 t Tundish[J]. Special Steel, 2014, 35(5): 15-18. DOI：

摘要

通过采用流动力学软件FLUENT进行的数值模拟和几何相似比1:3的水模型分别研究了导流孔倾角30°的U型挡墙和导流孔倾角分别为20°

25°

30°的V型挡墙4种结构的挡墙对46 t两流T型Φ800 mm圆铸坯中间包钢液流动特性的影响

并采用稳态模拟计算中间包钢液的温度场分布。结果表明

两种模拟结果有良好的一致性;使用导流孔倾角20°的V型挡墙的中间包流动特性最佳

中间包出口流温差仅为4.0 K

整体最大温差为14.2 K

停留时间最长为803.1 s

死区体积分数最小为0.09

更有利去除钢液夹杂物

提高钢的洁净度。

Abstract

The effect of four kinds of baffle structure- U type baffle with guide flow hole angle 30°

and V type baffle respective with guide flow hole angle 20°

25° and 30° on liquid flow characteristics of liquid in a 46 t T type tundish for casting double strands Φ800 mm round bloom are respectively studied by numerical simulation with fluid dynamic software FLUENT and with geometric similarity ratio 1:3 water model

and the distribution of temperature of liquid in tundish is calculated by stable simulation. Results show that both simulated results have better consistence; the flow characteristic of liquid in tundish using V type baffle with guide flow hole angle 20° is best

i. e. the temperature difference of flow at outlet of tundish is only 4.0 K

whole liquid max temperature difference is 14.2 K

longest residence time is 803.1 s and dead zone volume fraction is minimum- 0.09

it is available to move inclusions in liquid and enhance cleanliness of steel.

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