双螺杆压缩机及膨胀机在高温热泵与能量回收系统中的应用  

Applications of Twin Screw Compressor and Expander in High-temperature Heat Pumps and Energy Recovery Systems

作　　者：赵兆瑞[1] 唐昊[1] 沈九兵[1] 邢子文[1] 

机构地区：[1]西安交通大学能源动力与工程学院,陕西西安710049

出　　处：《制冷技术》2014年第4期43-48,共6页Chinese Journal of Refrigeration Technology

基　　金：海洋公益性行业科研专项经费项目(201305011)

摘　　要：随着节能减排、提高能效的需求增大,高温热泵和能量回收系统的研究及应用日益广泛。高温热泵主要有两种类型,一种是使用R245fa等高温工质的高温热泵,另一种是采用水蒸汽介质的高温热泵;能量回收系统也有两种形式,即有机工质郎肯循环(ORC)余热回收以及采用水蒸汽膨胀的回收系统。双螺杆压缩机及膨胀机作为此类系统的核心部件,对系统的性能有着重要的影响。本文介绍了双螺杆压缩机及膨胀机在这类系统中的应用情况,并给出了一些研究进展和应用案例。The demanding of energy conservation, emissions reduction and energy efficiency improvement becomes greater and greater nowadays, so that further investigations and applications on high-temperature heat pumps and energy recovery system are being widely conducted. The high-temperature heat pump mainly includes two kinds of system： heat pumps using R245fa as working medium and those adopting water as working fluid. The energy recovery systems also have two forms of application, i.e., organic rankine cycle （ORC） and water vapor expanding system. In such systems, twin screw compressors and expanders act as key parts, which influences the performance significantly. The application of twin screw compressors and expanders in these systems was introduced, and the research progress and application cases were presented.

关 键 词：双螺杆 压缩机 膨胀机 高温热泵 能量回收系统 

分 类 号：TH45[机械工程—机械制造及自动化]