The proportion of pulverized petroleum coke injection must not be too high by comprehensive consideration of transportability and sulphur load of BF.
综合考虑输送性能及高炉所能承受的硫负荷，高炉喷吹石油焦的配比不宜过高。
Calculation and plotting methods of BF operation line without coal injection are modified, and calculation formulae of BF operation line with oxygen enrichment and high PCI rate are deduced.
作者对不喷煤时高炉操作线的计算和绘制方法进行修正，推导出富氧大喷煤时高炉操作线的计算公式。
It is suggested that the combined injection and combustible waste material injection into BF, such as waste plastics and tyre, should be researched further.
建议进一步开展对复合喷吹的研究开发工作，以及开展对高炉喷吹废弃可燃物(如废塑料、废轮胎)的有关研究开发工作。
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