摘要
对昆钢高炉铁水不同条件下碳溶解度和片状石墨析出的研究表明,温度与铁水碳溶解度变化呈现较好的线性关系,生铁含硅量的增加,碳溶解度随之降低.铁水碳过饱和是片状石墨析出的必要条件,降温速度决定着片状石墨析出量和尺寸大小.昆钢高炉铁水在出铁时含碳量达饱和,运输过程中平均温降为1.5℃／min,产生大量片状石墨粉尘是必然的.
The relationship between carbon solubility in BF hot metal and deposition of kish has been investigated at Kunming Iron and Steel Company (KISC) .The experiment shows that carbon solubility disp lays a good linear relationship with temperature and decreases as the increase of silicon content. Supersaturated carbon in hot metal results in the deposition of flaked graphite. The rate of temperature drop determines the quantity and the size of kish. The BF hot metal at KISC is oversaturated with carbon and its average temperature fall reaches 1.5℃/min during transportation,hence,a large quantity of kish is inevitably deposited.
出处
《昆明理工大学学报（理工版）》
2004年第5期33-37,共5页
Journal of Kunming University of Science and Technology(Natural Science Edition)
