Using fired bauxite and silicon carbide as main material, adding suitable amount of carbon based material, binder and other additive, the gunning mix for trough of blast furnace was developed.
以一级矾土熟料和碳化硅为主要原料，配以适量的碳质材料、复合添加剂等，研制出适用于中小型高炉出铁沟的快速修补用喷补料。
Rates of settling and filtration of the flock could be improved by adding certain amount of suitable high molecular flocculants.
添加适当高分子絮凝剂能改善絮凝体的沉降速率和过滤速率。
By controlling the chemical composition, choosing suitable inoculants and its adding amount and using Te coating, the shrinkage causing leakage could be reduced markedly.
通过控制铁液的成分，选择合适的孕育剂种类和加入量，对缩松部位涂刷碲涂料等控制措施，可有效控制缩松引起的渗漏。
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