【摘要】 本文从新型工质的研发和系统效率的提高两方面综述了高温蒸汽压缩式热泵的研究现状,对于高温吸收式热泵,则从新型循环设计、系统控制与仿真、参数优化、提高换热效率等方面做了综述。文章最后介绍了国内外最新研制的两种热泵蒸汽机的运行原理和结构特点,并根据热泵蒸汽机组的运行要求,提出了今后的研究方向和要解决的主要技术问题。更多还原

【Abstract】 This paper reviews the current research status of high temperature vapor compression heat pumps on the aspects of new working fluids and system efficiency. For high temperature absorption heat pump, this paper discusses the present research on new circulation design, system control and simulation, parameter optimization and improving heat transfer efficiency. Finally, two kinds of heat pump steam generator newly developed are introduced regarding their operating principle and concept characteristics. According to the operating requirements of heat pump steam generator, the future research direction and the main technology problems are also concerned.更多还原