Simulation of Liquid Level Oscillation and Flowage in Slab Concasting Mold during Submerged Nozzle Clogging Course

张永亮; 朱苗勇; 张胜军; 郑淑国; 程乃良; 宋景欣

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Simulation of Liquid Level Oscillation and Flowage in Slab Concasting Mold during Submerged Nozzle Clogging Course

更新时间：2026-01-21

- Simulation of Liquid Level Oscillation and Flowage in Slab Concasting Mold during Submerged Nozzle Clogging Course
- Special Steel Vol. 27, Issue 5, Pages: 27-29(2006)
- 作者机构：
  
  1. 东北大学材料与冶金学院,沈阳,110004
  2. 上海梅山钢铁有限股份公司,南京,210039
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 April 2006，
  
  Online First：01 October 2006，
  
  Published：01 October 2006
- 稿件说明：
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张永亮, 朱苗勇, 张胜军, et al. Simulation of Liquid Level Oscillation and Flowage in Slab Concasting Mold during Submerged Nozzle Clogging Course[J]. Special Steel, 2006, 27(5): 27-29.
DOI：

张永亮, 朱苗勇, 张胜军, et al. Simulation of Liquid Level Oscillation and Flowage in Slab Concasting Mold during Submerged Nozzle Clogging Course[J]. Special Steel, 2006, 27(5): 27-29. DOI：

摘要

用水模型研究拉速为1.4 ~2.4 m/min的220 mm x 1 300 mm板坯连铸结晶器浸入式水口发生堵塞和吹氧时，结晶器内的液面与流动行为。结果表明，水口发生堵塞时，水口两侧的流股不对称，气泡的平均直径减小，气泡进入结晶器的深度增加，引发卷渣和气泡缺陷的机率将明显增加。

Abstract

The behavior of liquid level and flowage in 220 mm x 1 300 mm slab mold with casting speed 1. 4 ~2. 4 m/min during submerged nozzle clogging and argon blowing has been studied by water model. The results showed that during nozzle clogging course the streams at both side of nozzle were asymmetric

the size of bubble decreased and the depth of bubbles penetration in mold increased to induce slag entrapment and to increase slab defect produced by bubbles obviously.

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