Technical data

LOI Tenova - Technical Data

RH: 

  • Fast decarburization down to 15 ppm 
  • Hydrogen and nitrogen removal 
  • Use of less expensive high-carbon alloys 
  • Chemical heating of killed and un-killed heats 

Top blowing lance system: 

  • Oxygen blowing for forced decarburization and chemical heating 
  • Heating of RH vessel refractory material by gas /oxygen combustion 
  • Powder blowing for desulfurization Fast skull removal by usage of the oxygen jet 
  • Advanced ignition by external ignition facility 

Salzgitter Flachstahl GmbH; 300 t RH Plant:
 

  • Suction capacity of vacuum pump: 800 kg/h @ 0,67 mbar // 4000 kg/h @ 100 mbar 
  • Oxygen blowing rate: 2.500 Nm3/h 
  • Heating burner capacity: 3,5 MW 
  • Snorkle diameter: 650 mm 
  • Steel circulation rate: approx. 150 t/min 
  • Number of alloy bunkers: 18 
  • Vacuum alloying: 2 Alloy hoppers // 2 Direct feeders Al/Scrap 
  • Fume treatment plant: 90.000 m3/h 
  • Wire feeding: 4 strand