工业热泵的经济性研究

被引:11
作者
鹿方
冯霄
胡志伟
不详
机构
[1] 西安交通大学!
[2] 西安
关键词
热泵; 总复合曲线; 性能系数;
D O I
暂无
中图分类号
TK05 [动力机械];
学科分类号
080703 ;
摘要
在过程集成原理的基础上,分析了各种热泵的技术特性,指出各种形式热泵最适宜的总复合曲线形状,并导出了一个判断工业热泵经济上可行的指标———临界COP.它是输入能量价格与热价之比γ、设备价格与热价之比λ及投资回收期PBP的函数.通过分析各种形式热泵的COP,crPBP的关系曲线,讨论了γ、PBP、λ对该指标的影响,认为γ对COP的影响最大,PBP次之,λ的影响最小;机械式蒸汽再压缩式热泵及第2类吸收式热泵经济性较好.当γ<3时,电动压缩式热泵也可采用,因第1类吸收式热泵的经济性受到投资回收期的限制而不宜采用
引用
收藏
页码:97 / 101
页数:5
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