2016-Sustainable Industrial Processing Summit
SIPS 2016 Volume 8: Non-ferrous, Rotary Kiln, Ferro-alloys, Rare Earth, Coal

Editors:Kongoli F, Xueyi G, Shumskiy V, Kozlov P, Capiglia C, Silva AC, Turna T
Publisher:Flogen Star OUTREACH
Publication Year:2016
Pages:350 pages
ISBN:978-1-987820-50-8
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)
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    Mechanism of oxygen-enriched bottom blowing copper smelting process (SKS)

    Qinmeng Wang1; Qinghua Tian1; Xueyi Guo1;
    1CENTRAL SOUTH UNIVERSITY, Changsha, China;
    Type of Paper: Regular
    Id Paper: 173
    Topic: 6

    Abstract:

    Mechanism model of copper oxygen-enriched bottom blowing smelting (SKS) was constructed by analyzing smelting process deeply, combined with related theories of a copper metallurgical process. Modelí»s cross section includes seven functional layers, i.e. gas layer, mineral decomposition transition layer, slag layer, slag formation transition layer, matte formation transition layer, the weak oxide layer and the strong oxide layer. Longitudinal section is divided into three functional regions, including reaction region, separation transition region, and liquid phase clarification region. The layers or regions play different roles and constitute an organic unit. Ploycomponent, such as CuFeS2, FeS2, Cu2S, FeS, 2FeOĽSiO2, Cu2O, FeO, Fe3O4, SO2, H2O, N2 and S2, transfers quickly through the interface between different layers and regions, with the effect of character differentiation and fluid flow. SKS is at the state of dynamic non-steady multiphase equilibrium, and the value of oxygen and sulfur potential changes gradually in longitudinal and cross direction, and the capacity of SKS could rise by reasonably controlling the potential value in different layers and regions.

    Keywords:

    Copper; Non-Ferrous; Smelting;

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    Cite this article as:

    Wang Q, Tian Q, Guo X. Mechanism of oxygen-enriched bottom blowing copper smelting process (SKS). In: Kongoli F, Xueyi G, Shumskiy V, Kozlov P, Capiglia C, Silva AC, Turna T, editors. Sustainable Industrial Processing Summit SIPS 2016 Volume 8: Non-ferrous, Rotary Kiln, Ferro-alloys, Rare Earth, Coal. Volume 8. Montreal(Canada): FLOGEN Star Outreach. 2016. p. 117-128.