凝汽器端差的计算和实际工程中的应用分析  

作　　者：杜勇 陈玉伟 

机构地区：[1]皖能铜陵发电厂,安徽铜陵244000

出　　处：《科技资讯》2011年第13期139-142,共4页Science & Technology Information

摘　　要：本文对凝汽器传热端差的各个主要影响因素及它们之间的关系进行了分析,解释了有关表达式及相关概念难以理解的问题,并利用不同容量级别机组的有关参数进行计算,联系工程实际,进一步验证分析方法及结果的正确性。该结果不仅适用于凝汽器端差的分析,对于其它换热器的传热端差计算同样具用实用意义。同时结合皖能铜陵发电厂现场情况分析造成凝汽器端差高的主要原因,提出针对性对策措施,并分析了对策实施效果和产生的经济效益。The main factors affecfing the heat transfer end difference of a condenser were analyzed as well as the relations among them.Some related expressions and concepts which are difficult to understand were explaind.Calculations were conducted using relevant parameters of units with different capacity to further prove the correctness of fhe analyzing method and the result using actual engineering data.The result is not only suitable for analyzing the heat transfer end difference of the condenser,but also suitable to other heat exchangers.It put forward some reasons for high end difference of stram condenser and corresponding measures according to the practical conditions in Wanneng Tongling Power.In addition,it gave a detailed analysis about the effects of these measures and economic efficiency resulting from it.

关 键 词：凝汽器 端差 计算 分析 对策措施 

分 类 号：TK26[动力工程及工程热物理—动力机械及工程]