【作者】 朱建伟； 王亮； 陈海生； 丁玉龙； 汤清华；

【Author】 Zhu Jianwei~1 Wang Liang~2 Chen Haisheng~3 Ding Yulong~4 Tang Qinghua~1 1.Angang Steel Company Limited,Anshan,114021; 2.Beihang University,Beijing,100083; 3.Chinese Academy of Sciences,Beijing,100080; 4.Institute of Particle Science and Engineering,Leeds,UK LS2 9JT

【机构】 鞍钢股份有限公司； 北京航空航天大学； 中国科学院； 利兹大学微粒科学与工程研究所；

【摘要】 纳米流体是由纳米级微粒悬浮在基础流体中形成的种性能稳定的流体。目前,对含有不同浓度纳米微粒的纳米流体在对流换热方面的研究工作取得了很大进展,纳米流体能显著增强流体对流换热能力的特性得到了普遍的认同。然而,关于利用纳米流体的这种特性在工业生产中实际应用的报道却几乎难以见到。本文介绍了基于纳米流体特有的对流换热性能,尝试在高炉炼铁工艺的关键系统—炉体冷却系统中加以应用的探索,以期达到提高换热效率,降低能耗的目的。为尽可能地模拟高炉冷却系统实际工况,特别设计了一套模拟高炉冷却壁结构,用来检测纳米流体对流换热性能的实验装置。通过对实验结果的计算、分析,可以预测这一研究课题在未来的工业生产应用中具有良好的发展前景。更多还原

【Abstract】 The fluids with nanometer-sized particles suspended are called nanofluids.Some researches related to convective heat transfer characteristics of nanofluids in different particle weight percentage(wt %)have been conducted and some valuable results have been drawn in the recent years.However,few papers about practical applications of nanofluids in the industrial area were published by now.By making use of a special-designed rig,the exploration of applying TiO2 nanofluids in blast furnace(BF)cooling system that is the key system in iron-making technology has been carried out and the experimental data have been analysed.The results show that a good perspective should be looked forward in this area.更多还原