保护渣堵眼原因与对策

RESEARCH OF THE CAUSE AND THE COUNTERMEASURE OF MOLD CASTINS POWDER PLUGING AN UPWARD HOLE

通过工业实验，研究了保护法堵眼与保护渣某些理化指标的关系。

By industrial test,the relation between mold powder pluging an upward hole andsome of its physicochemical properties is studied and the cause of pluging an upward hole isfound. It is pointed out that improving the properties of mold powder and the way to put inmold powder is effectly in avoidillg pluging an hole.