针对唐钢炼钢厂半径为8m的弧形方坯连铸机，从二次冷却区设备改造、二次冷却工艺以及二次冷却水配水等方面进行研究。

• Aimed at the arc billet casting machine with radius of eight millimeter in Tangshan icon & steel group company, we carry on some researches on the equipments rebuilding of secondary cooling area, techniques of secondary cooling and admeasurement of the secondary cooling water.