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Influence of hot air sintering on dioxin emission

Baosteel Technical Research 2013年第2期7卷 35-43页

作者： HE Xiaolei LI Xianwei YU Yongmei Testing Center Research InstituteBaoshan Iron & Steel Co.Ltd. Energy & Environment Research Division Research InstituteBaoshan Iron & Steel Co.Ltd.

sintering pot tests with hot air were conducted. air recovery from exhaust gas from the sintering plant. The effects was heated by using a resistance furnace to simulate heat of the process parameters, such as temperature of hot air, oxygen enrichment, coke consumption and bed depth, on quality of products, energy consumption and dioxin emission were investigated. Good results were obtained under the following conditions ： 200℃ hot air, no oxygen enrichment, lime with high CaO, thinner bed and addition of accelerant.

关键词： sintering pot hot air sintering dioxin

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Influence of oxygen-rich hot air composite gas medium on sintering performance and function mechanism

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Journal of Iron and Steel Research International 2024年第5期31卷 1071-1081页

作者： Min Gan Hao-xiang Zheng Xiao-hui Fan Zhi-yun Ji Qiang Li Ming Wu Yi-fan Wang Xiao-long Wang Yu-feng Wu Xu-ling Chen Zeng-qing Sun Xiao-xian Huang School of Minerals Processing and Bioengineering Central South UniversityChangsha410083HunanChina Shanxi Taigang Stainless Steel Co. Ltd.Taiyuan030003ShanxiChina

hot air sintering technology is used to improve the quality and production efficiency of sintered ***,the current thick layer condition highlights the disadvantage of the low oxygen potential of the hot air sintering ***,it is considered to use oxygen enrichment sintering to improve the environment of hot air *** sintering,hot air sintering,and oxygen-rich hot air sintering were compared through sintering cup experiments,and the influence of hot air and oxygen-rich hot air on sintering indexes was *** air reduced the vertical sintering velocity,while improved the yield and tumbler ***-rich hot air sintering contributed to improving the vertical sintering velocity while ensuring the quality of sintered ore,thus comprehensively improving production *** the action of hot air,the highest temperature of the sintering layer increased and the high-temperature holding time was *** oxygen enrichment,the combustion efficiency of fuels in the upper layer of materials was promoted,which optimized heat distribution in the middle and lower layers of materials and increased the content of calcium ferrite in the sintered ore,thus strengthening the sintering process.

关键词： Iron ore sintering hot air sintering Oxygen enrichment Function mechanism

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