2010•Research on Iron and SteelRequires access
Analysis on breakout of bloom continuous caster and its countermeasures
Hongyi Liu
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Abstract
Based on the statistic data of breakout of bloom continuous caster in No.2 Steelmaking and Rolling Plant of Tang Steel in 2008,main characteristics and mechanism of breakout caused by slag entrapment,sticking and longitudinal corner crack are analyzed.The main causes of the breakout are related to the following factors: the performance of mold powder,accuracy of mold,extent of hot metal overheat,casting speed,alignment of the submerged entry nozzle with the mold as well as casting operations.By means of corresponding measures being taken,the breakout rate of caster was remarkably decreased.