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首页> 外文会议>TMS annual meeting exhibition;International symposium on high-temperature metallurgical processing >Research on the Flow Behavior of Molten Slag Through Pore
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Research on the Flow Behavior of Molten Slag Through Pore

机译：熔渣通过孔的流动行为研究

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In the dropping zone of blast furnace (BF), primary slag absorbing ash of pulverized coal and coke become to be intermediate slag. Due 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 increasing basicity of slag, surface tension increased and viscosity decreased. With the Al/Si increase, surface tension and viscosity increased. The smallest pore that all slag can pass through was 4.5 mm. However, the height between slag droplets and the bottom of crucible indicated that the ability of slag to pass through pore were weakened with the increasing basicity and Al/Si. Thus, slag which absorbed ash from fuel become difficult to pass through coke layer.
机译：在高炉下沉区，吸收粉煤灰和焦炭的初渣成为中间渣。由于炉渣的粘度和表面张力以及焦炭之间的孔隙，一些炉渣残留在焦炭层中，影响了高炉的渗透性。研究了不同碱度（0.55-1.10）和Al / Si（0.35-0.50）的炉渣的流动行为。同时，计算了炉渣的粘度和表面张力。结果表明，随着渣碱度的增加，表面张力增加，粘度降低。随着Al / Si的增加，表面张力和粘度增加。所有炉渣可通过的最小孔为4.5毫米。然而，渣滴与坩埚底部之间的高度表明，随着碱度和Al / Si的增加，渣通过孔的能力减弱。因此，从燃料吸收灰分的炉渣变得难以通过焦炭层。

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