Under high speed preheat in blast furnace and gasification in iron-bath for smelting reduction the pyrolysis of pulverized coal injection is the first important stage.
高炉喷吹煤粉和熔融还原铁浴粉煤气化等高速加热条件下，快速热分解是第一步。
The characteristics of new lead smelting technology of oxidizing in bottom blowing furnace and reduction smelting in blast furnace and the plant practice are reviewed.
评述了氧气底吹熔炼—鼓风炉还原炼铅新技术的特点和生产实践。
Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.
包头白云鄂博矿碱金属含量高，球团还原膨胀率高，给高炉冶炼带来很大困难。
应用推荐