地埋管地源热泵空调系统在广州地区应用经济性分析

Economical analysis of ground source heat pump (GSHP) air conditioning systems applied in Guangzhou

以别墅空调为例,根据现有地埋管地源热泵的一些经验数据,分析了地埋管地源热泵、冷却塔冷却水、空气源热泵和地表水地源热泵四种集中制冷空调系统的初投资、年运行成本,比较了各系统的费用经济性指标。结果显示,冷却塔冷却水系统初投资最低,费用性指标最小,经济性最好;地埋管地源热泵的初投资最高,年运行总成本最低,费用性指标最大。地埋管地源热泵在广州地区不能充分发挥其节能特点,是不经济的方案。

Taking the air conditioning system for villas as an example, analyses the initial investment and total annual costs of the four systems of GSHP, cooling water source heat pump, air source heat pump and surface water source heat pump based on the experiential data of GSHP. Compares the fee index of the four systems. The results show that the initial investment and fee index of cooling water systems are the least, and cooling water system is the most economical system. While the total annual cost of GSHP is the least but the initial investment and the fee index are the highest. The GSHP system is less acceptable for economical reasons in Guan^zhou.