化工进展

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连铸板坯二冷喷嘴的特性

刘 兵,王定标   

  1. 郑州大学化工与能源学院,河南 郑州 450001
  • 出版日期:2011-08-05 发布日期:2011-08-05

Experimental study on nozzle’s characteristics in secondary cooling zone of slab continuous casting

LIU Bing,WANG Dingbiao   

  1. School of Chemical Engineering and Energy,Zhengzhou University,Zhengzhou 450001,Henan,China
  • Online:2011-08-05 Published:2011-08-05

摘要:

连铸钢坯的质量直接受到二次冷却的影响,二冷段喷嘴的冷却效果受喷嘴的种类、喷水压力、水流密度等因素的影响。本文设计了测试连铸二冷喷嘴性能的实验方案。实验测定了不同喷水条件下喷嘴的压力和水流量的关系、喷水密度的分布、不同喷嘴对喷水效果的影响,分析了不同喷嘴的性能曲线,实验结果为合理布置二冷段喷嘴、优化二冷制度提供一定的依据。

Abstract:

The secondary cooling of slab continuous casting is very important to the quality of slab.The nozzle’s cooling effect of the secondary cooling zone is decided by nozzle typewater pressurewater density and other factors. An experimental program was designed to test the nozzle features in the secondary cooling zone. The relationship between water pressure and water flowthe distribution of water densityand the effect of different spray nozzles on spraying performance were determined at different water spray nozzles. The results could provide a scientific basis for optimization of the secondary cooling system.

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