曹海玲, 刘彬, 王海斌, et al. Application and Prospect of Powder Injection System with RH-WPB Water-Cooling Top Lance at Tianjin Steel Tube Co[J]. Special Steel, 2015, 36(3): 14-16.
曹海玲, 刘彬, 王海斌, et al. Application and Prospect of Powder Injection System with RH-WPB Water-Cooling Top Lance at Tianjin Steel Tube Co[J]. Special Steel, 2015, 36(3): 14-16.DOI:
The 100 t RH vacuum refining unit is equipped with RH-WPB water-cooling top lance powder injection system
the set of powder inject system has one-time largest injection volume 2 000 kg with theory max injection rate 250 kg/min and using injecting powder desulfurizer 80CaO/20CaF
2
. The RH-WPB treated results on steel 14Mn5V
steel 30CrMnSi and steel 27CrMo27VS show that after RH powder injection treatment the sulphur content in liquid decreases respectively from 42 x 10