CN115340849A - Environment-friendly high-temperature heat pump working medium - Google Patents
Environment-friendly high-temperature heat pump working medium Download PDFInfo
- Publication number
- CN115340849A CN115340849A CN202211085016.8A CN202211085016A CN115340849A CN 115340849 A CN115340849 A CN 115340849A CN 202211085016 A CN202211085016 A CN 202211085016A CN 115340849 A CN115340849 A CN 115340849A
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- CN
- China
- Prior art keywords
- working medium
- percent
- r1233zd
- heat pump
- temperature heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 2
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- LDTMPQQAWUMPKS-OWOJBTEDSA-N (e)-1-chloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)\C=C\Cl LDTMPQQAWUMPKS-OWOJBTEDSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000011177 media preparation Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/122—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/32—The mixture being azeotropic
Abstract
The invention aims to provide an environment-friendly high-temperature heat pump working medium, which belongs to the technical field of high-temperature heat pumps, and comprises a binary mixture or a ternary mixture, wherein the binary mixture comprises the following components in percentage by mass: 1 to 54 percent of R1233zd (E) and 46 to 99 percent of R600 a; the ternary mixture comprises the following components in percentage by mass: 1 to 51 percent of R1233zd (E), 1 to 60 percent of R600a and 39 to 98 percent of R600. The working medium has excellent environmental protection characteristic, ODP is 0, GWP is less than 20, and the heating temperature of the provided new working medium can reach 110 ℃.
Description
Technical Field
The invention belongs to the technical field of high-temperature heat pumps, and particularly relates to an environment-friendly high-temperature heat pump working medium suitable for occasions applying high-temperature heat pumps, such as high-temperature drying, pharmacy, electroplating heating and the like.
Background
In the global terminal energy consumption, the refrigeration and heat pump energy consumption accounts for 50%, and the energy consumption measuring tool is large. China definitely puts forward the targets of carbon neutralization and carbon peak reaching in 9 months in 2020, the essence of the method is to realize low-carbon transformation, sustainable development is promoted by low-carbon innovation, and the targets need to be balanced in cycle performance, safety and sustainability of working media. Meanwhile, the heat pump can efficiently utilize a large amount of low-grade waste heat generated in the industrial process, is an important energy-saving and emission-reduction technology, is large in usage amount, but the environment-friendly performance of the current high-temperature heat pump working medium is poor, so that the search for a proper high-temperature heat pump environment-friendly working medium is very important.
Disclosure of Invention
The invention aims to provide an environment-friendly high-temperature heat pump working medium which has strong environment-friendly characteristic, ODP is 0, GWP is less than 20, and the heating temperature of the provided new working medium can reach 110 ℃.
The invention adopts the following technical scheme:
the invention provides a first novel environment-friendly high-temperature heat pump working medium, which belongs to a binary mixture, and comprises the following components in percentage by mass: r1233zd (E) (trans-1-chloro-3,3,3-trifluoropropene) 1% -54%, R600a (isobutane) 46% -99%.
Further preferably, the mass fraction ratio of each component is as follows: 1 to 46 percent of R1233zd (E) and 54 to 99 percent of R600a.
Further preferably, the mass fraction ratio of each component is as follows: 1 to 24 percent of R1233zd (E) and 76 to 99 percent of R600a.
The invention provides a second novel environment-friendly high-temperature heat pump working medium, which belongs to a ternary mixture, and comprises the following components in percentage by mass: 1-51% of R1233zd (E), 1-60% of R600a and 39-98% of R600 (n-butane).
More preferably, R1233zd (E) is 1 to 15%, R600a is 1 to 15%, R600:84% -98%.
More preferably, R1233zd (E) is 1% to 11%, R600a is 1~4%, R600:85% -98%.
The preparation method of the two mixed working media provided by the invention is to physically mix the components at normal temperature according to a target proportion. The sum of all the components is 100 percent.
Table 1 shows the physical parameters of the working fluids R600a, R1233zd (E) and R600 according to the present invention and the commonly used heat pump working fluid R245fa.
TABLE 1 working substance Property parameters (T) c Represents the critical temperature; p c Indicating critical pressure)
The invention has the following beneficial effects:
1. the GWP of each component of the mixture is obviously lower than that of R245fa, the atmospheric service life is lower than that of R245fa, and the environment-friendly performance is good.
2. The cycle performance is excellent, the COP of the new working medium is close to that of R245fa, and the unit volume refrigerating capacity or heating capacity is much higher than that of R245fa.
3. The exhaust temperature is low, and a compressor does not need to be specially designed for the invented working medium.
4. The lubricating oil has good solubility with lubricating oil, and replaces the traditional refrigerant without excessively replacing system equipment.
5. The new working medium has small charging amount, relatively safe system operation, generally small temperature slip value and convenient refrigerant supplement.
Detailed Description
An environment-friendly high-temperature heat pump working medium comprises a binary mixture or a ternary mixture, wherein the binary mixture comprises the following components in percentage by mass: 1 to 54 percent of R1233zd (E) and 46 to 99 percent of R600 a; the ternary mixture comprises the following components in percentage by mass: 1 to 51 percent of R1233zd (E), 1 to 60 percent of R600a and 39 to 98 percent of R600.
In order to reflect the excellent performance of the novel working medium, the following cases are combined to compare with the performance of R245fa under the same working condition.
All the related mixed working medium preparation methods in the following schemes are that all components are physically mixed at normal temperature.
Scheme 1: taking 1% of R1233zd (E) and 99% of R600a in mass fraction.
Scheme 2: taking 46% of R1233zd (E) and 54% of R600a in mass fraction.
Scheme 3: taking 24% of R1233zd (E) and 76% of R600a in mass fraction.
Scheme 4: taking 54% of R1233zd (E) and 46% of R600a in mass fraction.
Scheme 5: taking 17% of R1233zd (E) and 83% of R600a in mass fraction.
Scheme 6: taking 1% of R600a,1% of R1233zd (E) and 98% of R600 in mass fraction.
Scheme 7: taking 1% of R600a,15% of R1233zd (E) and 84% of R600 in mass fraction.
Scheme 8: taking 15% of R600a,1% of R1233zd (E) and 84% of R600 in mass fraction.
Scheme 9: taking 1% of R600a,60% of R1233zd (E) and 39% of R600 in mass fraction.
Scheme 10: taking 51% of R600a,1% of R1233zd (E) and 48% of R600 in mass fraction.
Scheme 11: the mass fractions were taken as 11% of R600a,4% of R1233zd (E) and 85% of R600.
Scheme 12: taking 1% of R600a,4% of R1233zd (E) and 95% of R600 in mass fraction.
Scheme 13: the mass fractions were 11% of R600a,1% of R1233zd (E) and 88% of R600.
Scheme 14: taking 51% of R600a,10% of R1233zd (E) and 39% of R600 in mass fraction.
Scheme 15: taking 9% of R600a,10% of R1233zd (E) and 81% of R600 in mass fraction.
Scheme 16: taking 13% of R600a,9% of R1233zd (E) and 78% of R600 in mass fraction.
Table 2 shows the working media of the schemes 1 to 16, physical parameters of R245fa and environmental protection.
Table 2 shows the comparison of physical parameters and other data of working fluids 1-16 with R245fa (T) c Represents the critical temperature; p c Indicating critical pressure)
The application of the schemes 1 to 16 to the heat pump system was compared with that of R245fa. The working condition of the heat pump is as follows: the evaporation temperature is 50 ℃, the condensation temperature is 110 ℃, the superheat degree and the supercooling degree are both 5 ℃, and the isentropic efficiency of the compressor is 0.8. The theoretical cycle calculation parameters are shown in table 3.
TABLE 3 comparison of performances of working media from schemes 1 to 16 and R245fa in working conditions of heat pump
(P 0 Represents the evaporation pressure; p k Represents the condensation pressure; q. q.s v Represents the amount of heat produced per unit volume; t is Row board Represents the exhaust gas temperature; t is a unit of Sliding, 0 And T Sliding, k Temperature glide for evaporator and condenser respectively)
The results show that:
1. the environment-friendly performance of the new working medium is good, the ODP value of the mixture is 0, and the GWP value of the mixture is less than 20 and far less than the GWP value 858 of R245fa.
2. Under the working condition of a high-temperature heat pump with the condensation temperature of 110 ℃, the heat production per unit volume of R245fa is less than 3000kJ/m 3 When the mixed working medium is applied to a heat pump system, the volume of a compressor is larger, the occupied area of the system is large, and the unit volume heating capacity of the two novel mixed working media is larger than 3000kJ/m 3 COP is more than 85% of R245fa, and the unit volume heat production is more than 120%, and can reach 144% at most, so that the method is suitable for the working condition of a high-temperature heat pump.
3. The new working medium and the traditional lubricating oil have good solubility, can be directly filled to replace the traditional working medium, has generally small temperature slip value under the high-temperature working condition, belongs to a near azeotropic mixture, and is convenient to supplement the working medium.
4. Because the relative charge of the working medium is approximately in direct proportion to the molar mass, the charge of the new working medium in the refrigeration system is obviously lower than that of R245fa, and R1233zd (E) is an incombustible working medium, so that the safety of the system can be improved.
The invention provides two novel high-temperature heat pump working media, the environment-friendly performance of the mixed working medium is excellent, the GWP value is far lower than that of R245fa, the mixed working medium is mutually soluble with the traditional lubricating oil, the filling amount of the working medium in a system is small, the condensation pressure is low, the unit volume heating capacity is far higher than that of R245fa, and the COP value is close to that of R245fa.
Claims (6)
1. An environment-friendly high-temperature heat pump working medium is characterized in that: the material comprises a binary mixture or a ternary mixture, wherein the binary mixture comprises the following components in percentage by mass: 1 to 54 percent of R1233zd (E) and 46 to 99 percent of R600 a; the ternary mixture comprises the following components in percentage by mass: 1 to 51 percent of R1233zd (E), 1 to 60 percent of R600a and 39 to 98 percent of R600.
2. The working medium for the environment-friendly high-temperature heat pump as claimed in claim 1, wherein: the binary mixture comprises the following components in percentage by mass: 1 to 46 percent of R1233zd (E) and 54 to 99 percent of R600a.
3. The working medium for the environment-friendly high-temperature heat pump as claimed in claim 2, wherein: the binary mixture comprises the following components in percentage by mass: 1 to 24 percent of R1233zd (E) and 76 to 99 percent of R600a.
4. The working medium for the environment-friendly high-temperature heat pump as claimed in claim 1, wherein: the ternary mixture comprises the following components in percentage by mass: 1-15% of R1233zd (E), 1-15% of R600a, 1-15% of R600:84% -98%.
5. The working medium for the environment-friendly high-temperature heat pump as claimed in claim 4, wherein: the ternary mixture comprises the following components in percentage by mass: 1-11% of R1233zd (E), 5363 a 1~4%, R600:85% -98%.
6. An environment-friendly high-temperature heat pump working medium as claimed in any one of claims 1 to 5 is applied to a high-temperature heat pump system, and the heating temperature can reach more than 110 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211085016.8A CN115340849A (en) | 2022-09-06 | 2022-09-06 | Environment-friendly high-temperature heat pump working medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211085016.8A CN115340849A (en) | 2022-09-06 | 2022-09-06 | Environment-friendly high-temperature heat pump working medium |
Publications (1)
| Publication Number | Publication Date |
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| CN115340849A true CN115340849A (en) | 2022-11-15 |
Family
ID=83955952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211085016.8A Pending CN115340849A (en) | 2022-09-06 | 2022-09-06 | Environment-friendly high-temperature heat pump working medium |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102292408A (en) * | 2009-01-22 | 2011-12-21 | 阿科玛股份有限公司 | Azeotrope and azeotrope-like compositions of e-1-chloro-3,3,3-trifluoropropene and isopropanol |
| US20130004435A1 (en) * | 2008-10-28 | 2013-01-03 | Honeywell International Inc. | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene |
| EP2727974A1 (en) * | 2008-01-10 | 2014-05-07 | Honeywell International Inc. | Compositions and methods containing fluorine substituted olefins |
| CN105132209A (en) * | 2008-10-28 | 2015-12-09 | 霍尼韦尔国际公司 | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene |
| CN110418828A (en) * | 2017-03-17 | 2019-11-05 | Ａｇｃ株式会社 | Heat circulating system composition and heat circulating system |
| CN110869461A (en) * | 2017-07-26 | 2020-03-06 | Ａｇｃ株式会社 | Azeotropic or azeotrope-like composition, working medium for heat cycle, and heat cycle system |
| CN111033149A (en) * | 2017-06-21 | 2020-04-17 | 霍尼韦尔国际公司 | Refrigeration system and method |
-
2022
- 2022-09-06 CN CN202211085016.8A patent/CN115340849A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2727974A1 (en) * | 2008-01-10 | 2014-05-07 | Honeywell International Inc. | Compositions and methods containing fluorine substituted olefins |
| CN104045850A (en) * | 2008-01-10 | 2014-09-17 | 霍尼韦尔国际公司 | Compositions and methods containing fluorine substituted olefins |
| US20130004435A1 (en) * | 2008-10-28 | 2013-01-03 | Honeywell International Inc. | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene |
| CN105132209A (en) * | 2008-10-28 | 2015-12-09 | 霍尼韦尔国际公司 | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene |
| US20160129411A1 (en) * | 2008-10-28 | 2016-05-12 | Honeywell International Inc. | Azeotrope-like compositions comprising 1-chloro-3,3,3-trifluoropropene |
| CN102292408A (en) * | 2009-01-22 | 2011-12-21 | 阿科玛股份有限公司 | Azeotrope and azeotrope-like compositions of e-1-chloro-3,3,3-trifluoropropene and isopropanol |
| CN110418828A (en) * | 2017-03-17 | 2019-11-05 | Ａｇｃ株式会社 | Heat circulating system composition and heat circulating system |
| CN111033149A (en) * | 2017-06-21 | 2020-04-17 | 霍尼韦尔国际公司 | Refrigeration system and method |
| CN110869461A (en) * | 2017-07-26 | 2020-03-06 | Ａｇｃ株式会社 | Azeotropic or azeotrope-like composition, working medium for heat cycle, and heat cycle system |
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