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Simulation of Thermal Insulation of Top-Surface Slag Layers in Continuous Casting Mold

WANG Qiang , WU Ye-ming , QIU Sheng-tao , ZHAO Pei

钢铁研究学报(英文版)

A computational model of thermal behavior of the top-surface slag layers in continuous casting mold was applied to interpret the thermal insulation of mold powder. The temperature drop of liquid steel caused by heat removal at the interface of molten steel and slag in mold was proposed to evaluate the thermal insulation of mold slag. The calculation results show that slag consumption is one of important factor influencing the temperature drop, while the casting speed has no obvious effect on it. With the increase of slag consumption, the temperature drop is increased.

关键词: thermal insulation , temperature distribution , heat flux , temperature drop

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