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作 者:杨正伟[1] 王兆才[1,2] 温荣耀 孙醒波[1] Yang Zhengwei;Wang Zhaocai;Wen Rongyao;Sun Xingbo(Zhongye Changtian International Engineering Co. , Ltd. , Changsha 410007, Hunan;School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan;National Engineering Research Center of Sintering and Pelletizing Equipment System, Changsha 410205, Hunan)
机构地区:[1]中冶长天国际工程有限责任公司,湖南长沙410205 [2]中南大学资源加工与生物工程学院,湖南长沙410083 [3]国家烧结球团装备系统工程技术研究中心,湖南长沙410205
出 处:《烧结球团》2018年第3期63-68,共6页Sintering and Pelletizing
基 金:国家重点研发计划(2017YFC0210302);长沙市科技计划项目(重大专项kq1703008)
摘 要:烟气循环烧结技术不仅有助于大幅减少烧结烟气外排量,降低烟气净化系统负荷,还可回收部分烟气中的显热和潜热,从而实现节能减排。但烟气混合效果、管道磨损、气流介质在料面的分布状态等对烟气循环系统运行的稳定性至关重要。为此,借助FLUENT模拟软件,对循环系统的烟气混合器、分配器及循环罩三大核心部件进行建模和流场仿真,并根据仿真研究结果提出了一系列结构优化措施,为烧结烟气循环技术的工业化应用提供了理论保障。The sintering flue gas circulation technology has contributed to the reduction of flue gas emissions and cleaning system load, moreover, it can decrease the energy-saving emission by partly recycling sensible heat and latent heat of the flue gas. However, the mixing effect, pipe wearing and distribution of flue gas on the material surface are crucial to the operation stability of the flue gas circulation system. Thus, the three core parts including the flue gas recirculation cover, mixer and distfibuter were modeled and the flow field was simulated by the FLUENT simulation software. As a result, a series of structure optimization measures were put forward according to the simulation research. In general, the essay can provide theoretical guarantee for the industrialized application of sintefing flue gas recirculation technology.
分 类 号:X701[环境科学与工程—环境工程] TF046.4[冶金工程—冶金物理化学]
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