Method for improving continuous casting plate blank central segregation based on growth morphology analysis of coagulating shell
A technology for solidifying shells and continuous casting slabs, which is applied to the improvement of continuous casting slab center segregation and the field of slab continuous casting solidification process. Effect of center segregation and avoiding excessive segregation
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[0028] The invention has been successfully applied and tested in the actual production of domestic continuous casting machines. For example, the secondary cooling nozzle arrangement structure of a certain continuous casting machine is not reasonable enough, and the cooling intensity distribution in the width direction of the cast slab is uneven.
[0029] The method of the present invention is adopted, namely: ① The computer system is used to simulate the cooling and solidification behavior of a casting slab in a continuous casting process through the two-dimensional heat transfer simulation model of continuous casting slab solidification, and the solidification of the casting slab during the entire continuous casting process is obtained. Shell growth morphology and temperature distribution state value. When the secondary cooling strength distribution is not uniform, the cross-section solidified shell morphology of the continuous casting slab and the surface temperature distributio...
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