供热用板式换热器选型分析研究  

Analysis and Study on the Selection of Plate Heat Exchanger for Heating

作　　者：苏抗男 关雪莹 SU Kang-nan;GUAN Xue-ying(Beijing Gas Heat Engineering Design Institute Co.,Ltd.Inner Mongolia Branch,Hohhot 010050,China)

机构地区：[1]北京市煤气热力工程设计院有限公司内蒙古分公司,呼和浩特010050

出　　处：《价值工程》2025年第8期33-36,共4页Value Engineering

摘　　要：以供热系统设计中板式换热器选型计算为研究对象,在对供热用板式换热器换热端差、对数平均温差、传热单元数等参数分析的基础上,引入符合供热系统实际使用条件下的算例,分析多种工况下传热单元数(NTU值)对板式换热器选型的影响。研究结论具有一定应用价值,方便设计人员在设计过程中能够快速完成板式换热器选型工作。Taking the selection and calculation of plate heat exchanger in heating system design as the research object,based on the analysis of parameters such as heat exchange end difference,logarithmic average temperature difference,and number of heat transfer units of plate heat exchangers for heating,this paper introduces calculation examples that meet the actual usage conditions of heating systems,and analyzes the influence of the number of heat transfer units(NTU values)on the selection of plate heat exchangers under multiple operating conditions.The research conclusion has certain practical value and facilitates designers to quickly complete the selection of plate heat exchangers during the design process.

关 键 词：供热系统设计 板式换热器 换热端差 对数平均温差 传热单元数 

分 类 号：TK172[动力工程及工程热物理—热能工程]