通过试验研究了唐山国丰钢铁有限公司（简称国丰）使用的各种进口矿的性能；通过分别配加澳矿、巴西矿和印度矿进行配矿试验，确定了合理的配矿方案。借助试验进一步确定了合理的烧结工艺参数。通过合理控制烧结矿的碱度、MgO含量、Al2O3含量和FeO含量以及采用低温烧结，保持较强的氧化性气氛，烧结矿质量获得明显改善，低温还原粉化率降低，有效降低了高炉炼铁的燃耗。
The properties of imported ores at Guofeng Iron and Steel Co．， Ltd． (abbreviated by Guofeng) were studied by experiment. By mixing Australia ores, Brazil ores, and India ores, respectively, the reasonable ore mixing scheme was found. Appropriate sintering parameters were also determined. By controlling appropriate sinter basicity, MgO content, Al2O3 content, and FeO content, adopting low temperature sintering, and sintering in oxidizing atmosphere, the quality of sinter was improved. Moreover the fuel consumption for blast furnace ironmaking was decreased effectively.
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