Numerical Simulation on Submerged Nozzle in Mold of Continuous Caster for Wider Slab

舒宏富; 刘浏; 刘学华

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Numerical Simulation on Submerged Nozzle in Mold of Continuous Caster for Wider Slab

更新时间：2026-01-21

- Numerical Simulation on Submerged Nozzle in Mold of Continuous Caster for Wider Slab
- Special Steel Vol. 34, Issue 1, Pages: 1-4(2013)
- 作者机构：
  
  1. 钢铁研究总院工艺所,北京,100081
  2. 马鞍山钢铁股份有限公司技术中心,马鞍山,243000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：11 July 2012，
  
  Online First：13 September 2022，
  
  Published：13 September 2013
- 稿件说明：
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舒宏富, 刘浏, 刘学华. Numerical Simulation on Submerged Nozzle in Mold of Continuous Caster for Wider Slab[J]. Special Steel, 2013, 34(1): 1-4.
DOI：

舒宏富, 刘浏, 刘学华. Numerical Simulation on Submerged Nozzle in Mold of Continuous Caster for Wider Slab[J]. Special Steel, 2013, 34(1): 1-4. DOI：

摘要

利用Fluent计算软件建立三维数学模型对马钢板坯连铸结晶器内钢液的流场和温度场进行数值模拟研究

并进行正交试验

分析了水口浸入深度(150～190 mm) 、水口侧孔倾角(-10°～-16°) 、水口侧孔与中孔的截面积比值(2

2～3.2)对拉速0.9 m/s

230 mm×1800 mm结晶器内钢液流动的影响。研究结果表明

水口浸入深度和倾角对结晶器液面波动F数和凝固坯壳厚度的影响较为显著。对于浇铸断面230 mm×1800 mm的结晶器浸入式水口的最佳工艺参数为:浸入深度170 mm、水口侧孔倾角13°、侧孔出口与中孔面积比2.7。

Abstract

The numerical simulation of flow field and temperature field in casting mold for wide slab at Ma' anshan Steel has been carried out by established a three-dimensional model using Fluent software

and the effect of immersion depth of nozzle (150 ~ 190 mm)

angle of side hole of nozzle (- 10° ~ - 16°)

ratio of cross-section area of side-hole to inside-hole (2. 2 ~ 3. 2) on liquid flow in 230 mm x 1 800 mm mold with casting rate 0. 9 m/s is analyzed by orthogonal experiment method. Study results show that the influence of immersion depth of nozzle and side angle on mold liquid surface wave F number and thickness of solidified shell is significant. The optimum technology parameters of submerged nozzle for casting 230 mm x 1 800 mm slab are submerged depth of nozzle 170 mm

angle of nozzle side-hole 13° and ratio of crosssectional area of side-hoie to inside-hole 2. 7.

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