Advances in New and Renewable Energy

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

工质类别	工质编号	工质分子式	安全级别	临界温度/℃	临界压力/bar	ODP	GWP
IC	R717	NH₃	B2L	132.3	113.3	0.00	0
IC	R718	H₂O	A1	373.9	220.6	0.00	0
HC	R600	CH₃CH₂CH₂CH₃	A3	152.0	38.0	0.00	20
	R600a	CH(CH₃)₂CH₃	A3	134.7	36.3	0.00	20
	R601	CH₃CH₂CH₂CH₂CH₃	A3	196.6	33.7	0.00	20
	R601a	CH₃CH₂CH₂CH₂CH₃	A3	187.8	33.8	0.00	4
CFC	R113	CCl₂FCClF₂	A1	214.0	33.9	0.90	2
CFC	R114	CClF₂CClF₂	A1	145.7	32.6	0.85	4
HCFC	R21	CHCl₂F	B1	178.5	51.7	0.04	148
	R123	C₂HCl₂F₃	B1	183.7	36.6	0.03	79
	R124	C₂HClF₄	A1	126.7	37.2	0.03	527
	R142b	CH₃CCl₂F	A2	137.1	40.6	0.06	782
HFC	R152a	CH₃CHF₂	A2	113.3	45.2	0.00	138
	R236fa	CF₃CH₂CF₃	A1	124.9	32.0	0.00	8 060
	R245ca	CHF₂CH₂CH₂F	—	174.4	39.3	0.00	716
	R245fa	CHF₂CH₂CF₃	B1	154.0	36.5	0.00	790
	R365mfc	CF₃CH₂CF₂CH₃	A2	186.9	32.7	0.00	890
HFO	R1336mzz-Z	CF₃CH=CHCF₃(Z)	A1	171.3	29.0	0.00	9
	R1233zd-E	CF₃CH=CHCl(E)	A1	166.5	36.2	0.00	1
	R1234ze-Z	CF₃CH=CHF(Z)	A2L	150.1	35.3	0.00	6
	R1234ze-E	CF₃CH=CHF(E)	A2L	109.4	36.4	0.00	6

Table 1 Potential working fluid for ultra-high temperature steam heat pumps

Other figure/table from this article

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. 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
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