管式双级空气予热器不同连结方式温差场不均匀性分析  

Analysis of Uniformity of Temperature Difference Field for Two-stage Tubular Air Preheater With Differential Linkage Methods

作　　者：李淑兰[1] 陈冀九[1] 杨沫[1] 

机构地区：[1]东北电力学院动力工程系

出　　处：《东北电力学院学报》1996年第3期93-99,共7页Journal of Northeast China Institute of Electric Power Engineering

摘　　要：对管式双级空气预热器上、下两级间采取不同连结方式引起传热温差场的差异，及对换热效果所产生的影响进行了分析，得出了从传热及热力学完善性考虑时。Based on the consideration of temperature different field caused by linkage style of two-stage tubular air heater,the paper analyzes the results of Heat transfer from Heat transfer and Thermodynamics perfect,and points out that Z-type arrangement is more superior than C-type.

关 键 词：温差场 空气预热器 锅炉 

分 类 号：TK223.34[动力工程及工程热物理—动力机械及工程]