热泵干燥系统性能模拟及优化研究  

Study on performance simulation and optimization of heat pump drying system

作　　者：鲁宇星 穆永超 张杰 刘伟[2] 王伟玉[2] Lu Yuxing;Mu Yongchao;Zhang Jie;Liu Wei;Wang Weiyu(Hebei University of Engineering College of Energy and Environment Engineering,Handan Hebei 056038,China;Energy Research Institute of Hebei Academy of Sciences,Shijiazhuang Hebei 050221,China)

机构地区：[1]河北工程大学能源与环境工程学院,河北邯郸056038 [2]河北省科学院能源研究所,河北石家庄050221

出　　处：《山西建筑》2024年第4期13-16,共4页Shanxi Architecture

基　　金：河北省科学院科技计划项目(23712)。

摘　　要：热泵技术高效环保,被广泛应用于干燥行业。为了研究热泵干燥系统的性能,设计了4种不同的干燥系统,分别为单级压缩热泵干燥系统、准二级压缩热泵干燥系统、单级压缩回热干燥系统和准二级压缩回热干燥系统。分别对各系统进行数学建模与分析,结果表明蒸发温度与系统功耗和除湿量呈正相关;在单级压缩热泵干燥系统的基础上增设回热器与经济器均可以提高系统除湿量,但功耗也随之增加;在单级压缩热泵干燥系统的基础上单独增设经济器,系统的COP最大,单独增设回热器或同时设置回热器与经济器会使系统COP降低,但系统的除湿能效比(SMER)最大。Heat pump technology is efficient and environmentally friendly,and is widely used in drying industry.In order to study the performance of heat pump drying system,four different drying systems wmp drying system,single-stage compression regenerative drying system and quasi-two-stage compression regenerative drying system.The mathematical modeling and analysis of each system show that the evaporation temperature is positively correlated with the system power consumption and dehumidification capacity.Adding regenerator and economizer on the basis of single-stage compression heat pump drying system can improve the dehumidification capacity of the system,but the power consumption also increases.On the basis of single-stage compression heat pump drying system,the COP of the system is the largest,and the COP of the system will be reduced by adding regenerator alone or setting regenerator and economizer at the same time,but the dehumidification energy efficiency ratio(SMER) of the system is the largest.

关 键 词：干燥 准二级压缩 回热器 除湿能效比 

分 类 号：TU834.9[建筑科学—供热、供燃气、通风及空调工程]