Combined-blowing 320 t BOF converter
6-hole top lance, 10 bottom plugs
BOF bottom-stirred 190 t BOF converter
6 bottom stirrers at Alternating Bottom Stirring mode
Targets
- Layout of BOF vessel size and shape
- Fluid-dynamic design of top blowing lance and supersonic nozzles
- Prediction of type, number and location of bottom stirring elements
Benefit
- Mixing and homogenization time
- Surface oscillation, splashing, and skulling phenomena
- Depth of oxygen jet penetration
- Probable regions of refractory lining wear rate