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提高烧结固体燃料粒度稳定性的生产实践
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作者 穆固天 《山东冶金》 CAS 2023年第3期62-64,共3页
山钢日照公司为应对烧结固体燃料结构以及来料条件的变化,在原有燃料破碎系统设备不变的条件下,通过优化燃料破碎方式,由自产焦粉、外购焦粉单独破碎调整为二者混合破碎,混合破碎燃料粒度合格率为82.54%,与单独破碎外购焦粉相比,燃料粒... 山钢日照公司为应对烧结固体燃料结构以及来料条件的变化,在原有燃料破碎系统设备不变的条件下,通过优化燃料破碎方式,由自产焦粉、外购焦粉单独破碎调整为二者混合破碎,混合破碎燃料粒度合格率为82.54%,与单独破碎外购焦粉相比,燃料粒度稳定性提升10.66%,烧结矿FeO命中率由88.09%增至92.92%,燃料粒度、烧结矿指标的控制稳定性提升明显。 展开更多
关键词 烧结固体燃料 燃料粒度 混合破碎 粒度稳定性 FeO命中率
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Combustion behavior and influence mechanism of CO on iron ore sintering with flue gas recirculation 被引量:9
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作者 范晓慧 余志元 +2 位作者 甘敏 陈许玲 季志云 《Journal of Central South University》 SCIE EI CAS 2014年第6期2391-2396,共6页
The properties of circulating gas have a significant effect on sintering with flue gas recirculation,and the influence of CO in sintering process was investigated.The results show that the post-combustion of CO conduc... The properties of circulating gas have a significant effect on sintering with flue gas recirculation,and the influence of CO in sintering process was investigated.The results show that the post-combustion of CO conducts in sinter zone when flue gas passes through the sintering bed,which releases much heat and reduces the consumption of solid fuel.The ratio of coke breeze can be reduced from 5% to 4.7% with 2% CO in circulating flue gas.In addition,with the increase of CO content in circulating flue gas,the combustion efficiency of fuel is improved,and the flame front is increased slightly while still matches with the heat transfer front.These are beneficial to increasing the maximum temperature and prolonging the high temperature duration,especially in the upper layer of sintering bed.As a consequence,the productivity,vertical sintering velocity and quality of sinter are improved. 展开更多
关键词 flue gas recirculation heat transfer front flame front combustion behavior
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Lower fuel consumption model and air-flow segregation feeding system for sintering
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作者 江源 黄柱成 +1 位作者 许斌 姜涛 《Journal of Central South University》 SCIE EI CAS 2011年第6期1917-1923,共7页
In order to utilize the spontaneous accumulation of heat (SAH) reasonably and obtain the high quality sinter with low energy consumption, a lower fuel consumption modeling based on raw materials of a certain steel wor... In order to utilize the spontaneous accumulation of heat (SAH) reasonably and obtain the high quality sinter with low energy consumption, a lower fuel consumption modeling based on raw materials of a certain steel works was built. An air-flow segregation feeding (ASF) experimental equipment was designed to simulate strand feeding process and calculate the lower fuel consumption quantity. Compared with baseline test, the ASF experimental equipment was adopted. The results of sinter pot tests show that the solid fuel consumption is lower than that in baseline test, which is decreased by 5.8%. Meanwhile, other sinter indexes, such as pan yeild, tumbler strength and strand productivity are improved. The mineralogical examination indicates that the mineral compositions and micostructures are improved in sinter. 展开更多
关键词 fuel consumption spontaneous accumulation of heat air-flow segregation feeding SINTER
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