Many coking plants and scientific research units are seeking the means of coke quality improvement for large-scale blast furnace and high rates of pci requirements.

• 由于高炉大型化以及富氧喷煤技术的快速发展，使高炉对焦炭质量提出了更高的要求，全国各焦化厂和科研部门都在努力寻求提高焦炭质量的方法。