A Study on Water Model for Structure Optimization of Submerged Entry Nozzle with Cross Outlet for Thin Slab Concasting

张华; 倪红卫; 陈光友; 刘吉刚

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A Study on Water Model for Structure Optimization of Submerged Entry Nozzle with Cross Outlet for Thin Slab Concasting

更新时间：2026-01-21

- A Study on Water Model for Structure Optimization of Submerged Entry Nozzle with Cross Outlet for Thin Slab Concasting
- Special Steel Vol. 29, Issue 4, Pages: 22-24(2008)
- 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,400081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 January 2008，
  
  Online First：23 December 2022，
  
  Published：23 December 2008
- 稿件说明：
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张华, 倪红卫, 陈光友, et al. A Study on Water Model for Structure Optimization of Submerged Entry Nozzle with Cross Outlet for Thin Slab Concasting[J]. Special Steel, 2008, 29(4): 22-24.
DOI：

张华, 倪红卫, 陈光友, et al. A Study on Water Model for Structure Optimization of Submerged Entry Nozzle with Cross Outlet for Thin Slab Concasting[J]. Special Steel, 2008, 29(4): 22-24. DOI：

摘要

针对150 t钢包、28 t中间包、60 mm薄板坯连铸的生产条件

采用正交设计的1:2水模型实验

通过测量结晶器液面波高和注流冲击深度

研究了十字出口形浸入式水口出口面积比(2.0～2.4)、出口倾角(15°～35°)、浸入深度(210～270 mm)和拉速(4.0～5.0 m/min)对结晶器流场的影响。结果表明

十字出口形浸人式水口最佳结构为出口面积比2.4

出口倾角25°

在浸入深度240 mm时

可以满足高拉速生产要求。

Abstract

In according with production conditions for 60 mm thin slab concasting with 150 t ladle and 28 t tundish

the effect of outlet area ratio(2.0~2.4)

outlet angle(15°~35°)

immersed depth(210～270 mm)and casting speed (4.0~5.0m/min)on liquid flow field has been studied by using 1:2 water model test in orthogonal design to measure liquid surface wave amplitude in mode and pouring impact depth. Results showed that the optimized structure of submerged entry nozzle with cross outlet

of which outlet area ratio was 2.4 and outlet angle was 25°

was available to meet the requirement of high-speed casting with immersed depth 240 mm.

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