For PCI at LISC,the pulverized coal preparation system adopted the short technological process with mid-speed grinder and the coal injection system adopted KOSTE dense-phase transport technology.

• 凌钢喷煤工程制粉系统采用中速磨短流程工艺，喷吹系统采用浓相输送技术，试生产期间无法实现正常喷吹。