地埋管地源热泵系统的能流分析及计算  

Energy Flow Analysis and Calculation of Ground Source Heat Pump System

作　　者：李婕琪 麦泽扬 杨宏军 LI Jieqi;MAI Zeyang;YANG Hongjun(School of Mechanical and Power Engineering,Guangdong Ocean University,Zhanjiang,524088,China)

机构地区：[1]广东海洋大学机械与动力工程学院,湛江524088

出　　处：《制冷》2021年第3期29-34,共6页Refrigeration

基　　金：广东海洋大学2019年专业核心课培育-通风与空调工程(571119084);2020年度广东海洋大学教学质量工程项目-制冷技术教学团队(580320009)。

摘　　要：地埋管地源热泵系统是一种利用可再生清洁能源的节能系统,具有广阔的发展前景。系统全年冷、热负荷平衡,是其高效运行的关键。本文建立了地埋管地源热泵系统结构示意图,分析绘制了系统供冷工况和供热工况的能流链图。运用系统思维方法和理论分析工具,建立了地埋管地源热泵系统能流平衡方程,得到了土壤供冷工况的吸热量和供热工况释热量计算关系式。为地埋管地源热泵系统全年冷热负荷平衡分析计算提供理论依据。Ground source heat pump system(GSHPS)is a kind of energy-saving system using renewable and clean energy,which has broad development prospects.The balance of cooling and heating load is the key to the efficient operation of the GSHPS.The structure diagram of GSHPS is established,and the energy flow chain chart of the cooling and heating conditions of GSHPS is analyzed and drawn successively.The energy flow balance equation of GSHPS is established using systematic thinking method and theoretical analysis tools.The calculation formula of soil heat absorption under cooling condition and heat release under heating condition is obtained.It provides the theoretical basis for the analysis and calculation of the annual heat and cold load balance of GSHPS.

关 键 词：地埋管换热系统 水源热泵机组 能流链图 能流平衡方程 土壤源热泵 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]