Three stages have contributed to the dimensioning of the setting up of
secondary dust control dedusting facilities of converters :the measur
es of Leces on the mill site, the simulation on hydraulic experimental
model, and the thermic and ventilation calculations. The capacity of
the lowering bag filter, upstream the three ventilators, reaches 3,128
,000 m(3)/h at 130 degrees C. The equipment installation from December
1992 to January 1993 was achieved in a steelmaking plant in operation
.