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Wetting between molten iron and prereduced ilmenite with carbon

Transactions of Nonferrous Metals Society of China 2010年第5期20卷 924-929页

作者：王玉明袁章福赵宏欣熊绍锋姜伟忠李肇毅 Department of Energy and Resources Engineering College of EngineeringPeking University Institute of Ironmaking Research Baoshan Iron and Steel Co.Ltd State Key Laboratory of Multi-Phase Complex System Institute of Process EngineeringChinese Academy of Sciences

An interfacial study between molten iron and the prereduced ilmenite with carbon was conducted at different melting temperatures by the sessile droplet *** wetting characteristics between molten iron and the prereduced ilmenites with carbon were investigated by measuring contact angle of the droplet of molten iron on the prereduced ilmenite *** images of the interface were also examined by the optical microscope and SEM equipped with *** volume of molten iron increased with the melting temperature increasing when titania or high-content titania slag was used as the *** contact angle decreased with the melting temperature increasing and it was independent on time at constant *** contact angle was positively correlated with the reduction degree of the ilmenite,but the work of adhesion was negatively correlated with *** smelting temperature was beneficial to the separation of iron and Ti *** permeability of molten iron into the prereduced ilmenite with carbon was more obvious with reduction degree increasing owing to the high porosity of prereduced ilmenite.

关键词： molten iron prereduced ilmenite wetting interfacial permeability contact angle carbon reduction

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