modernization packages
Technology Packages Detail

Vaicon Stopper

Pneumatic slag retention system for LD (BOF) converters

Vaicon Stopper
  • Sealing of tap hole at the end of converter tapping
  • Actuated by SlagMon slag detection camera
  • Pneumatic sealing—no contact, no consumables
  • Reduces slag carry-over to values as low as 3kg/t
  • Improves steel cleanliness and reduces consumption figures (e.g. Al at tapping)