he solution Al loss and N content in the steel were reduced by optimizing the structure of shroud manipu- lator， introducing a new type of ladle shroud， blowing argon into the tundish before casting， blowing argon into the ladle shroud and the plant of SEN to prevent air into steel. The quality of slab has been improved.
LIU Zhi-guo， WANG Hong-xing
Hanbao Steel-Making Plant of Hebei Iron-Steel Group Corp.， Handan 056015， Hebei， China
The loss of [Al] and the content of [N] in the steel were reduced by optimizing the structure of shroud manipulator, introducing a new type of ladle shroud, blowing argon into the tundish before casting, blowing argon into the ladle shroud and the plant of SEN to prevent air into steel. The quality of slab has been improved.
刘志国， 王洪兴. 连铸保护浇注工艺改进[J]. 中国冶金, 2013, 23(8): 38-41.
LIU Zhi-guo， WANG Hong-xing. he solution Al loss and N content in the steel were reduced by optimizing the structure of shroud manipu- lator， introducing a new type of ladle shroud， blowing argon into the tundish before casting， blowing argon into the ladle shroud and the plant of SEN to prevent air into steel. The quality of slab has been improved.. China Metallurgy, 2013, 23(8): 38-41.
2013, Vol. 23 
