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- Title
Uniform Secondary Cooling Pattern for Minimizing Surface Reheating of the Strand During Round Bloom Continuous Casting.
- Authors
Fan, Helin; Long, Mujun; Yu, Sheng; Chen, Dengfu; Liu, Tao; Duan, Huamei; Chen, Huabiao
- Abstract
A uniform secondary cooling pattern (USCP) for minimizing surface reheating of the strand is proposed herein, based on a two-dimensional model calibrated according to measured results. The calculated results reveal the following: appropriate extension of the secondary cooling zone significantly reduces longitudinal surface reheating of the strand; a 30° misalignment angle between two adjacent rows of nozzles in cooling zones II-V significantly reduces transverse strand surface reheating; appropriate reduction in the specific water rate significantly reduces surface reheating of the whole strand. Furthermore, a USCP was determined, including secondary cooling length of 6.07 m, misalignment angle of 30°, and specific water rate of 0.26 L kg. This USCP has been successfully applied in a steel plant.
- Subjects
CONTINUOUS casting; LIQUID metals; HEAT transfer; THERMAL conductivity; LATENT heat
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2018, Vol 70, Issue 2, p237
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-017-2679-x