This paper presents the application of cesium-source-type liquidometer in realizing automatic steel level control and expounds the working principle of the device.

• 介绍了莱钢特钢厂利用铯源型液面仪实现了液面自控,并阐述了其工作原理,液面自控可使液面和拉速稳定,提高铸坯质量,减少保护渣的使用。