Oxygen lancing means … open-hearth waste-gas cleaning systems

Abstract

In an effort to compete with the high productivity of the LD basic oxygen process, more and more open-hearth operators have been resorting to oxygen lancing. But along with the increased productivity made possible by oxygen lancing, there is also the heavy, dark reddish iron-oxide plume that accompanies the furnace waste gas. Dry precipitators and wet scrubbers are among the techniques that have been developed to eliminate this plume. This summary article—based on papers presented at the 47th National Open Hearth and Basic Oxygen Steel Conference—describes such waste-gas cleaning systems installed at open-hearth shops operating with oxygen lances.