Advances in New and Renewable Energy

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Research Progress on Ultra-High Temperature Steam Heat Pumps for Industrial Application

Yuan YAO, Zhenneng LU, Yong QU, Guangping LIU, Yulie GONG

Advances in New and Renewable Energy, 2025, 13(1): 39-50. DOI: 10.3969/j.issn.2095-560X.2025.01.006

Fig. 3 Heat pump system with cascade compression: (a) series connection of working fluid cycle; (b) series connection of heat sources sides; (c) self overlapping of mixed working fluid

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Table 1 Potential working fluid for ultra-high temperature steam heat pumps
Fig. 1 Heat pump system with single stage compression: (a) no optimization; (b) with an economizer; (c) with an air-supplying enthalpy-adding device; (d) with an injector and an economizer
Fig. 2 Heat pump system with multi stage compression: (a) two stage compression system of gas-liquid separator; (b) three stage compression system of gas-liquid separator
Fig. 4 Composite heat pump system: (a) absorption-compression heat pump; (b) direct heating solar heat pump; (c) indirect solar heat pump
Fig. 5 Water vapor recompression heat pump system: (a) MVR steam heat pump; (b) TVR steam heat pump
Fig. 6 System schematic of SGH120 steam heat pump
Fig. 7 Standard operating range of SGH120 and SGH165^[39]
Fig. 8 The first steam heat pump steam unit in China
Fig. 9 Steam heat pump system using water as working fluid^[45]
Fig. 10 ThermBooster industrial heat pump^[47]
Table 2 Main information and performance parameters of some steam heat pump units developed globally in recent years^[47]
Fig. 11 Test datas on the corresponding relationship between COP and temperature lift of steam heat pump

模态框（Modal）标题

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