Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
The Mechanism of Dust Generation in Converter
Masazumi HIRAIRyoji TSUJINOTakamasa OHNONobuyuki ISHIWATATsutomu INOSHITA
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1988 Volume 74 Issue 10 Pages 1954-1961

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Abstract

A study was made on the mechanism of dust generation by the investigation of dust behavior in top and bottom blowing converter. The results are summarized as follows:
(1) Dust in converter is formed by the condensation of fume on the surface of bubble bursting particle.
(2) Weight ratio of bubble bursting particle included in total weight of dust is larger in early stage of blowing and decreases with blowing time. Therefore it is considered to be effective for decreasing dust weight to form slag as early as possible in the blowing period and to decrease the temperature of hot spot area by oxygen jet in the middle and final stage of blowing.

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© The Iron and Steel Institute of Japan
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