薄板坯连铸伸入式水口的研究

A Research on Submerged Entry Nozzles for Thin Slab Continuous Casting

针对直－弧型结晶器和超薄型伸入式水口浇注薄板坯的工艺特点，对结晶器内钢液流动规律和寻求合理的伸入式水口结构形式进行了物理模拟。通过水模试验，研究了几种典型水口结构下的结晶器内流体运动状态，以求优选出较理想的水口结构和尺寸。

In view of the process characteristics of thin slab casting with a vertical-arcmould and super thin submerged nozzles, the fluid flow laws in a mould and in scarch of reasonablesu bmerged nozzle patterns have been physieally simulated. The fluid flow states of several typiealnozzleS in moulds were studied through water model experimen ts. The shape and dimensions of asuitable submerged nozzle have heen optimized for industry trials.