本文描述了高炉高富氧喷煤操作的规律，分析了喷煤量与富氧率之间的关系。
This paper describes the regularity of the blast furnace operation with the oxygen-enriched and PCI process. The theoretical relations between the PCI rate and oxygen-enrichment are analyzed.
结果表明，氧-煤喷枪的漩流、富氧率等仅在氧枪出口的有限区域内对流场有较大的影响；
The rotational jet and local oxygen enrichment can improve the mixing of oxygen and pulverized coal, but the effect of coal injection is weak on the whole flow field in blowpipe.
研究发现高温不利于固硫，但富氧能提高固硫率。
The results show that high temperature is not beneficial to fix sulfur but rich oxygen can advance sulfur-fixation ratio.
研究发现高温不利于固硫，但富氧能提高固硫率。
The results show that high temperature is not beneficial to fix sulfur but rich oxygen can advance sulfur-fixation ratio.
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