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对顶装焦炉焦炭的冷热强度与焦比和燃料比的关系进行研究。研究结果表明,随着焦炭的热反应性、耐磨强度的下降,焦比和燃料比呈下降趋势,且趋势逐渐变缓直至水平;随着焦炭的热反应后强度、抗破碎强度的上升,焦比和燃料比呈下降趋势,且趋势逐渐变缓直至水平。从而确定了容积3 000m3高炉的适应性焦炭质量指标,为降低铁前成本,保证高炉顺行打下基础。
The relationship between the hot and cold strength and the coke ratio and the fuel ratio of the top coke oven coke was studied. The results show that with the decrease of thermal reactivity and wear resistance of coke, the coke ratio and fuel ratio decrease, and the trend gradually becomes slow until the level becomes hotter. With the increase of thermal strength and crushing strength of coke, Coke ratio and fuel ratio showed a downward trend, and the trend gradually slowed until the level. Thus to determine the volume of 3000m3 blast furnace adaptability of coke quality indicators, in order to reduce the cost of iron pre-blast to ensure the smooth laying of the foundation.