散热器与水源热泵串联的低温地热梯级利用系统应用分析
Low temperature geothermal gradient utilization systems using serial mode of radiator and water source heat pump
摘要：
介绍了这种低温地热水梯级利用系统模型，建立了散热器与热泵联合供热经济运行的目标函数，结合工程实例分析了系统优化运行参数。提出了时间加权平均全效率的系统能耗评价方法。利用单位热成本的概念分析比较了几种供热方式的经济性，分析了散热器与水源热泵串联运行低温地热梯级利用供暖改造方案的优越性。
关键词：散热器 热泵 低温地热梯级利用 时间加权平均全效率
Abstract：
Presents the system model, establishes the object function of the radiator-heat pump economic combined operation, and analyses the system optimal operation conditions with an actual project. Presents the system energy consumption evaluation method based on the time-weighted average overall efficiency. Compares the economics of several heating modes based on the cost of unit heating quantity. Analyses the advantages of using low temperature geothermal gradient utilization system with serial mode of radiator and water source heat pump for retrofitted projects.
Keywords:radiator, heat pump, low temperature geothermal gradient utilization, time-weighted average overall efficiency