The trial and industrial practice demonstrate that blast furnace pulverizing coal injection lead extraction process is successful and effective. 试验和工业实践证明，鼓风炉粉煤喷吹炼铅工艺是成功有效的。
The technology of coal powder spurted burning is applied in the annealing furnace for low carbon steel wire heated with coal powder. 煤粉加热低碳钢丝退火炉采用粉煤喷射燃烧技术，节能效果显著，环境污染有所改善，是值得推广的炉型。
A worker pauses to shield his eyes while moving coal in Ningxia Province. 图中是宁夏的一个煤矿，一个工厂在铲煤途中停下脚步，护住眼睛，防止煤屑进入。
