论文部分内容阅读
广泛地搜集了NiCuFeSO 体系热力学数据, 严格地进行了筛选, 并充分考虑各物质的分解温度, 借助已开发的优势区图自动绘制系统, 完整地绘制了NiSO, CuSO, FeSO, NiCuSO 和NiFeSO几个体系不同温度下的lgpSO2 —lgpO2 优势区图。从一系列优势区图发现, 在高温下(1 500 K以上) , 镍冶炼过程的稳定成分主要是金属、低价金属硫化物、低价金属氧化物, 其它物种均会发生分解。从理论上重新阐述了镍高温火法熔炼的热力学原理。
Widely collected Ni CuFe S O system thermodynamic data, strictly for screening, and give full consideration to the decomposition temperature of the material, with the development of the advantages of the district map automatic rendering system, a complete drawing of Ni S O, Cu S O, Fe S O, Ni Cu S O and Ni Fe S O several systems at different temperatures lgpSO2 - lgpO2 dominant region diagram. From a series of maps of dominant regions, it is found that at high temperature (above 1500 K), the stable components of nickel smelting process are mainly metals, low-priced metal sulfides and low-cost metal oxides, and all other species will decompose. Revisited theoretically the thermodynamics principle of high-temperature nickel pyrometallurgy.