热风炉用换热器传热性能研究  

Study on Heat transfer performance of Heat exchanger of Hot-blast stove

作　　者：李爱琴[1,2] 

机构地区：[1]北京石油化工学院机械工程学院,北京102617 [2]北京理工大学宇航科学技术学院,北京100081

出　　处：《中国农村小康科技》2010年第3期70-72,共3页Chinese Countryside Well-off Technology

摘　　要：换热器是干燥热风炉的主要设备,用LMTD法计算了筒式辐射换热器在空气升高不同温度时的换热面积。绘制了空气升高温度差Δt=t2-t1与平均换热面积(F/(t2-t1))的关系曲线,在此基础上提出了经济温度区域的概念。应用此概念可以指导高温大容量热风炉二级换热器的设计和选择。Heat exchangers are the main equipment of hot-blast stoves. Heat exchange area of the cylinder radiation exchanger has computed by LMTD when air has heated to different temperature. Draw the graph of relation of temperature difference △t=t2-t1 and average heat exchange area （F/（t2-t1））. The concept of the economical temperature district is proposed on the basis of it. It has the more practical value in the choosing and designing the exchangers of the hot-blast stoves with high-power and high temperature.

关 键 词：热风炉 筒式辐射换热器 经济温度区域 

分 类 号：TQ442.14[化学工程—化学肥料工业] TF066.21[冶金工程—冶金物理化学]