污水源冷热水机组的热力学分析  

Thermodynamic analysis of a wastewater source plant both as a water chiller and a heat pump

作　　者：付红春[1] 杜垲[1] 张建忠 

机构地区：[1]东南大学能源与环境学院,江苏南京210096 [2]南京市建筑设计研究院,江苏南京210005

出　　处：《节能》2007年第12期20-22,共3页Energy Conservation

摘　　要：阐述了污水源冷热水机组在制冷和热泵工况下的各个设备的火用损失及整个机组的的火用效率计算公式,计算分析了机组在夏季制冷和冬季制热工况下各个设备在不同污水温度下的火用损失系数及整个机组的火用效率。The working principles of wastewater source plant both as a water chiller and a heat pump and performances of wastewater source are briefly introduced.Then,calculating formulas on exergy destroys in refrigeration and heat pump states of main units in wastewater source plant and exergy efficiency of this kind of plant were minutely stated,which were used to analyze exergy destroys in main units and exergy efficiency of the plant with different temperature wastewater sources in refrigeration and heat pump states.According to the results,efficient approaches to increase exergy efficiency of wastewater source plant both as a water chiller and a heat pump are presented.

关 键 词：污水源 冷热水机组 热泵 火用效率 

分 类 号：X706[环境科学与工程—环境工程] TK115[动力工程及工程热物理—热能工程]