三流体分离型热管换热器性能分析及应用  

Performance analysis and application of three-fluid separate type heat pipe exchanger

作　　者：石程名[1] 王洋[1] 徐灿君 崔文智[1] 

机构地区：[1]重庆大学动力工程学院,重庆400044 [2]中国轻工业长沙设计院,长沙410000

出　　处：《重庆大学学报（自然科学版）》2010年第8期130-135,共6页Journal of Chongqing University

基　　金：国家科技支撑计划项目(2007BAB21B02-1-2)

摘　　要：建立了三流体分离型热管的传热分析模型,得到了各排热管具有相同换热面积和不同换热面积顺流和逆流换热器的温度传递矩阵方程。利用具有相同换热面积换热器的温度传递矩阵方程,导出了顺流和逆流换热器的2个传热有效度θ1、θ2与M1、M2、NTU1、NTU2、、U及Δti的关系式。应用所得的结果,对大型高炉热风炉的烟气余热回收装置进行了设计和变工况校核计算,实践证明结果正确。The temperature transfer matrix equations for three-fluid separate type heat pipe heat exchangers with the same and different heat transfer area in each heat pipe row are obtained by establishing an analytical heat transfer model in the co-current-or countercurrent-flow mode. Using the temperature transfer matrix equations of exchanger with the each row heat transfer area is similar. The relationships of heat exchanger effectiveness θ1, θ2 with M, NTU, U, Δti are derived in the co-current-or countercurrent-flow mode. For the designing and checking calculation of the heat recovery device for the large hot blast stove in steel plant, the theoretical results can be used and it is proved correct in practical application.

关 键 词：热管 换热器 三流体 传热有效度 温度传递矩阵方程 

分 类 号：TK172.4[动力工程及工程热物理—热能工程]