HM De-S at ESCO

Treatment stands:  2 (90° direction)

Annual capacity:  3.7 mtpy

Reactor:  Open ladle

Ladle size:  130 t

Injection lines:  2

Injection type:  Co-Injection
   CaO/CaC2 + Mg

Storage silos:  CaO/CaC2:  120 m³

  Mg:  40 m³

Mg : CaO/CaC2 ratios:  1 : 2.8 – 1 : 4.0

Injection rates:  CaO/CaC2:  15 – 30 kg/min

  Mg:  6 - 12 kg/min

Injection lances:  2 (T-port)

T/S lances:  2

Transport gas:  N2

Initial Sulphur content:  Ø 550 ppm

Final Sulphur content:  Ø 120 ppm  (De-S: 78 %)

Injection time:  Ø 7 min

Features:  1- Turntable to turn ladle   car by 90°

  2- Hydraulic powerpack to   lift ladle out of ladle car for   tilting and slag skimming