|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||E-37: Research on the Flow Behavior of Molten Slag through Pore
||Yingli Liu, Qingguo Xue, Jingsong Wang, Guang Wang
|On-Site Speaker (Planned)
In the dropping zone, primary slag absorbing ash of pulverized coal and coke become to be intermediate slag. Duo to viscosity and surface tension of slag and the pore between cokes, some slag remained in coke layer and affected the permeability of blast furnace. The flow behavior of slag with different basicity (0.55～1.10)and Al/Si (0.35～0.50) were studied. Meanwhile, the viscosity and surface tension of slag were calculated. The results showed that, with the basicity rising of slag, surface tension increased and viscosity decreased. With the Al/Si rising, surface tension and viscosity increased. The smallest pore that all slag pass through was 4.5mm. However, the height between slag and the bottom of crucible indicated that the ability of slag to pass through pore were weakened with the increasing of basicity and Al/Si. Namely, slag after absorbing ash from fuel become difficult to pass through coke layer.
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