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《Iron and Steel》 2005-07
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Distribution of Temperature and Heat Flux Density of Thin Slab Continuous Casting Mould Copper Plate

ZHANG Hui~1, TAO Hong-biao~1, LIU Ai-qiang~1, ZHANG Zhen-biao~2, WANG Jin-bu~2, ZHUANG Han-zhou~3 (1. National Engineering and Research Center for Continuous Casting Technology, Central Iron and Steel Research Institute, Beijing 100081, China; 2. Technical Center, Zhujiang Iron and Steel Group Co., Guangzhou 510730, China; 3. Technical Center, Guangzhou Iron and Steel Group Co., Guangzhou 510381, China)  
The duration of copper plate of thin slab continuous casting mould is affected directly by heat transfer process. Therefore, it is necessary to study the heat transfer thin slab continuous casting mould. In this study, the mould copper plate temperature was measured with a developed mould temperature monitoring software at Zhujiang Steel. Based on measured copper plate temperature and cooling parameters of thin slab continuous caster, a heat transfer model of mould is developed. The distribution function of mould heat flux is calculated and proved. Besides, the mould heat flux as a function of height is obtained by quadratic regression. The result showed that the distribution of copper plate temperature is similar to that of heat flux in the width direction, the fluctuation of mould temperature and heat flux is more obvious near to meniscus, the main reason of copper plate erosion is that the heat flux is more than 4.2 MW/m~2 at meniscus.
【CateGory Index】: TF777
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