本文介绍了弧形小方坯连铸机几种类型的引锭杆和与不同引锭杆相适应的铸坯导向及二冷装置，并讨论了有关设备的结构特性及其优缺点。 In this paper, several types of dummy bar for curved billet continuous caster and the guide and secondary cooling device for slab corresponding to different dummy bar are introduced. The structural characteristics of the device and its advantages and disadvantages are also discussed.