摘要
CO2属于环境友好型制冷剂,其跨临界循环非常适用于热泵系统。通过对自然工质物性和CO2污水源热泵专用活塞压缩机不可逆损失的研究,构建了带节流阀和带膨胀机的2种单级CO2污水源热泵系统数学模型,开发了一套CO2单级热泵循环性能分析平台。该项目拟设计一种高效稳定的CO2污水源热泵系统,实现城市污水低温余热的回收再利用,既符合社会可持续发展的要求,同时也是节能减排的重要组成部分。
CO2 is a kind of environmentally friendly refrigerant, and its transcritieal cycle is very suitable for the heat pump system. Based on the study of properties of natural working fluids and irreversible loss of piston compressors for CO2 heat pump using wastewater as a heat source, 2 mathematic models for one stage CO2 heat pump using wastewater as a heat source, with throttle valve or expander are constructed. And a platform for performance analysis of one stage CO2 heat pump is devel oped. CO2 heat pump using wastewater as a heat source with high efficient and stable is studied in this article. It is used to re cycle waste heat in low temperature municipal sewage. The study contributes to sustainable development of society.and is part of energy saving and emission reduction.
出处
《河北工业科技》
CAS
2012年第6期480-484,共5页
Hebei Journal of Industrial Science and Technology
关键词
余热回收
CO2热泵
污水源
系统
性能
waste heat recovery
CO2 heat pump
wastewater as a heat source
system
performance
