共查询到18条相似文献,搜索用时 109 毫秒
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通过对沙钢高炉几种常用的炉料进行低温还原粉化、还原性以及荷重软化熔融滴落性能试验,分析了不同炉料的冶金性能。结果表明:高碱度烧结矿低温还原粉化性能较差,还原性较好,软化开始温度较高,熔融区间较宽;球团矿低温还原粉化性能较好,还原性较差;块矿低温还原粉化性能处在烧结矿和球团矿之间,还原性能波动较大,软化开始温度较低。通过对沙钢不同炉料冶金性能的分析,为优化高炉炉料结构,提高高炉精料水平,促进高炉节能降耗提供了理论依据。 相似文献
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简要介绍准化学溶液模型和Pelton等提出的修正的准化学溶液模型,并总结了采用修正的准化学溶液模型计算SiO2为唯一酸性组元的二元,三元冶金渣系组元活度的方法。 相似文献
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Yuelin Qin Xuewei Lv Chenguang Bai Guibao Qiu Pan Chen 《JOM Journal of the Minerals, Metals and Materials Society》2012,64(8):997-1001
Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat. To recover the heat, a new waste heat-recovery system??granulating molten BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot BF slag particle??was proposed in this study. The feasibility of the waste heat-recovery system was verified by dry granulation and pyrolyzation experiments. The energy of hot BF slag could be converted to chemical energy through the pyrolysis reaction, and a large amount of combustible gas like CO, H2, C m H n , and CH4 can be generated during the process. 相似文献
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钢铁冶炼生产中的原辅材料简称为冶金炉料.它通常包含铁矿石、废钢、生铁、焦炭、铁合金等."十一五"以来我国钢铁工业蓬勃发展,钢铁产量连年增长,冶金炉料货紧价扬,多数品种供求两旺. 相似文献
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R. C. Bell G. H. Turner E. Peters 《JOM Journal of the Minerals, Metals and Materials Society》1955,7(3):472-477
Zinc oxide activities in a typical lead blast furnace slag have been calculated from plant operating data. These activities were used to assess the probable effect of fuel composition, oxygen enrichment, and air preheating on the efficiency and capacity of the slag-fuming operation. 相似文献
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