【摘要】 攀钢高炉喷煤的特殊性在于未燃煤粉进入炉渣后 ,会将炉渣中的部分 Ti O2 还原成高熔点的 Ti C和 Ti N。这些 Ti C和 Ti N在炉渣中呈固相形态存在 ,从而导致炉渣的粘度升高。当还原生成的 Ti C和 Ti N含量达到一定量时 ,会破坏高炉冶炼行程。实验结果表明 ,炉渣中未燃煤粉超过 9%以后 ,炉渣粘度明显升高 ,因此攀钢高炉在不影响顺行的条件下 ,喷煤量的控制应保证炉渣中未燃煤粉不超过 9%。更多还原

【Abstract】 The PCI of blast furnace in PZH Steel Co has its spec iality, ie part ial TiO 2 in slag can be reduced to TiC and TiN with high melting point by unb ur ned particle of PCI These TiC and TiN of solid phase existing in slag which w i ll result in increasing slag viscosity Result show,if the amount of unburned PCI in slag is over 9 %, the slag viscosity will increase obviously, thus influ encing smooth operation in BF更多还原