Describes the mainly methods of level controlling of directed cooling water treatment system in hot rolling mill, give references for design and operation of directed cooling water treatment system in hot rolling mill.

• 介绍热轧工厂水处理直接冷却系统液位控制的两种主要方法；为热轧水处理直接冷却系统的液位平衡设计和生产操作提供参考意见.