熔铝炉中铝在固态升温阶段的传热计算及分析  

Heat Transfer Computation and Analysis of Solid Aluminum’s Heating Process in the Melting Furnace

作　　者：杜文智 吴迪 苟远波 李凯华 朱晓龙 郭小虎 DU Wen-zhi;WU Di;GOU Yuan-bo;LI Kai-hua;ZHU Xiao-long;GUO Xiao-hu(Xi’an Aerospace Yuan Dongli Engineering Co.,Ltd.,Xi’an 710100 China;Xi’an Aerospace Propulsion Institute,Xi’an 710100,China)

机构地区：[1]西安航天源动力工程有限公司,陕西西安710100 [2]西安航天动力研究所,陕西西安710100

出　　处：《化工管理》2020年第22期88-89,共2页Chemical Engineering Management

摘　　要：为降低熔铝炉能耗,文章通过传热计算模型研究了熔铝炉中铝在固态升温阶段的换热情况,发现该过程换热以辐射换热为主(占比在90%以上);而辐射换热中,又以烟气辐射为主(占总换热超过65%)。因此,文章推荐改进固态铝升温阶段效率时,应首先考虑强化辐射换热,尽可能提高炉膛温度,并加强炉体保温。由于烟气流速对对流传热影响非常小,可在不考虑其对传热影响的情况下寻找最佳流速以优化流程。In order to reduce the energy consumption of aluminum melting furnace,a computation model was developed to conduct the research on heat transfer of solid aluminum’s heating process in the melting furnace.The results show that in this process heat transfer is dominated by radiation,which accounts for more than 90%.And in the radiation heat transfer,the flue gas radiation is dominant,which is more than 65%of total heat transfer.Therefore,when improving solid aluminum’s heating process efficiency,to strengthen the radiation heat transfer is the first thing to be considered.To raise the temperature of the furnace as much as possible,and to strengthen the heat preservation of the furnace body are appreciated.The flow rate of flue gas has little effect on convective heat transfer,so the flow rate can be optimized without considering its heat transfer effect.

关 键 词：熔铝炉 铝的固态升温过程 传热计算模型 

分 类 号：TF821[冶金工程—有色金属冶金]