A Study on Optimization of a 20 t Tundish Structure for 3-Strands Casting Based on Hydraulic Simulated Test

杨凌志; 朱荣; 李超; 林腾昌; 吴兵; 梁建国

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A Study on Optimization of a 20 t Tundish Structure for 3-Strands Casting Based on Hydraulic Simulated Test

更新时间：2026-01-21

- A Study on Optimization of a 20 t Tundish Structure for 3-Strands Casting Based on Hydraulic Simulated Test
- Special Steel Vol. 36, Issue 1, Pages: 1-4(2015)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 莱芜钢铁股份有限公司特殊钢厂,莱芜,271104
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 June 2014，
  
  Online First：29 August 2022，
  
  Published：29 August 2015
- 稿件说明：
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杨凌志, 朱荣, 李超, et al. A Study on Optimization of a 20 t Tundish Structure for 3-Strands Casting Based on Hydraulic Simulated Test[J]. Special Steel, 2015, 36(1): 1-4.
DOI：

杨凌志, 朱荣, 李超, et al. A Study on Optimization of a 20 t Tundish Structure for 3-Strands Casting Based on Hydraulic Simulated Test[J]. Special Steel, 2015, 36(1): 1-4. DOI：

摘要

采用几何相似比1:2.5的水模型试验研究了带有一字型挡墙

矩形导流孔

水平无倾角的原型中间包以及V形挡墙

倾角0°~40°Φ80~Φ120mm圆形导流孔

并加抑制器的改进结构的流场

得出V字型挡墙+30°倾角和直径Φ80 mm导流孔+深盘带唇缘型湍流抑制器的改进中间包结构最优

可延长钢液在中间包内的停留时间

死区体积从原中间包的48.16%~63.06%降至10.3%~10.9%

有利于夹杂物的快速上浮。

Abstract

The flow field in original tundish with single-line type retaining wall

rectangular guide-flow-hole and level- no dip angle and in improved tundish with V- type retaining wall

Φ80 ~Φ 120 mm round guide-flow-hole and dip angle 0°- 40

and adding turbulence inhibitor has been tested and studied by using geometric similarity 1：2.5 water model. It is obtained that the structure of improved tundish with V- type retaining wall +30° angle and diameter Φ80 mm guide-flow- hole + deep disc-lip type edge turbulence inhibitor is optimal

it may prolong the residence time of liquid in tundish and the percentage of dead zone volume of liquid decreases to 10.3% 〜10.9% from 48.16% ~63.06% in original tundish

and is in favor of inclusions in liquid to quick floating off.

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