有色金属科学与工程Issue(5)：28-34,7.DOI:10.13264/j.cnki.ysjskx.2014.05.005
铜富氧底吹熔池熔炼过程机理及多相界面行为
Mechanism and multiphase interface behavior of copper sulfide concentrate smelting in oxygen-enriched bottom blowing furnace
摘要
Abstract
Mechanism model of copper oxygen-enriched bottom blowing smelting (BBS) is constructed by analyzing smelting process deeply, combined with related theories of copper metallurgical process. Model ’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, weak oxide layer and 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,2FeO·SiO2,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. BBS 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 BBS can be raised by reasonably controlling the potential value in different layers and regions.关键词
铜冶炼/富氧底吹/熔炼机理/界面行为/多相平衡/氧势/硫势Key words
copper smelting/oxygen-enriched bottom blowing/smelting mechanism/interface behavior/multiphase equilibrium/oxygen potential/sulfur potential分类
矿业与冶金引用本文复制引用
郭学益,王亲猛,廖立乐,田庆华,张永柱..铜富氧底吹熔池熔炼过程机理及多相界面行为[J].有色金属科学与工程,2014,(5):28-34,7.基金项目
湖南有色研究基金重点项目 （）
