CN1255502C - Green mixed refrigerating agent - Google Patents
Green mixed refrigerating agent Download PDFInfo
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- CN1255502C CN1255502C CN 02124113 CN02124113A CN1255502C CN 1255502 C CN1255502 C CN 1255502C CN 02124113 CN02124113 CN 02124113 CN 02124113 A CN02124113 A CN 02124113A CN 1255502 C CN1255502 C CN 1255502C
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- Prior art keywords
- working medium
- fire retardant
- hfc134a
- hydrocarbon polymer
- refrigeration working
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Abstract
The present invention relates to a green mixed refrigerating agent containing HFC13I, HFC134a and CO2, wherein the three working substances are used as a refrigerating agent and a fire retarding agent in a refrigerating system. The HFC13I, the HFC134a and the CO2 are respectively mixed with HC1270, HC170 and HC290 to form green mixed refrigerating agents with different components and constituents according to different mole proportions. The present invention has the advantages that the flammability of the working substances is removed from the root through the introduction of fire retarding component working substances and the change of the components and the constituents of the mixture so as to form an HCs and fire retarding agent mixed working substance with optimal environmental characteristic, high safety and optimal circulation performance by using natural working substances as a main body; the HCs and fire retarding agent mixed working substance is used for substituting HCFC22 in an air conditioning system.
Description
Technical field
The invention belongs to the refrigeration agent in air-conditioning or the refrigeration system.
Background technology
Because HCFC22 eliminates that the die is cast, the research of seeking its surrogate launches rapidly just in the world.Up to the present, the surrogate of comparative maturity has HFC134a, HFC32/HFC134a, HFC32/HFC125/HFC134a (R407C, quality forms 23/25/52%) and HFC32/HFC125 halohydrocarbon such as (R410A, quality forms 50/50%).But along with Greenhouse effect bring serious day by day consequence and disaster to global ecological environment, people begin to pay close attention to more and more this environmental problem of Global warming.In fact, so long as the refrigeration agent of synthetic all might bring new, certain is beyond thought, be harmful to environment or human problem.Therefore, the attention of surrogate research is turned to the natural material of environment characteristic good, also just become inevitable.And some natural refrigerant, as ammonia, carbonic acid gas etc., successfully be applied.Hydrocarbon polymer (HCs) is the big class of one in the natural refrigerant.Because have the diversity on system and the performance, so can therefrom filter out the system of excellent property, and form the combination of multiple mixing medium according to the mutual supplement with each other's advantages principle, approach replaced CFCs (Chlorofluorocarbons (CFCs)) and HCFCs (Hydrochlorofluorocarbons), formation pure natural surrogate.These materials are ODP (ozone layer destroying gesture) not only, and GWP (global warming potential) value is 0, GWP and CO
2Identical magnitude is arranged, and be easy to obtain, zero pour is low, to metal not burn into can dissolve each other well to guarantee heat exchange with lubricating oil.
But flammable, the explosion hazard of hydrocarbon polymer have hindered them and have been widely used.How solving the safety issue of hydrocarbon polymer, is the key that realizes practical application.
Summary of the invention
For advancing the Secure Application of hydrocarbon polymer (HCs) natural refrigerant, the objective of the invention is by introducing fire-retardant working medium, and the constituent element and the composition of variation mixture, on the source, reduce the combustibility of working medium, composition is based on the hydrocarbon polymer/fire retardant hybrid refrigeration working medium of natural refrigerant, in order to substitute HCFC22 in air-conditioning system.
Content introduction of the present invention and embodiment: mix refrigerant contains HFC13I1, HFC134a, CO
2, more than three kinds of working medium in refrigeration system except that as the refrigeration agent, also as fire retardant.Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-1 by HC1270, HFC13I1, HC170, form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-2 by HC1270, HFC134a, HC170, form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-3 by HC290, HFC134a, HC170, by HC290, HFC134a, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-4, by thing/fire retardant hybrid refrigeration working medium-3, by HC290, HFC134a, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-4, by HC1270, HFC134a, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-5, by HC290, HFC13I1, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-6, by HC1270, HFC13I1, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-7.Its concrete mole proportioning of hydrocarbon polymer/fire retardant hybrid refrigeration working medium that variant constituent element working medium is formed is:
HC1270/HFC13I1/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-1): 75-55/15-25/10-20
Mol%, HC1270/HFC134a/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-2): 80-35/15-45/5-20
Mol%, HC290/HFC134a/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-3): 75-35/15-45/10-20
Mol%, HC290/HFC134a/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-4): 75-55/15-35/10
Mol%, HC1270/HFC134a/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-5): 80-50/15-40/5-10
Mol%, HC290/HFC13I1/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-6): 75-65/15-25/10
Mol%, HC290/HFC13I1/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-7): 75-65/15-25/10
Mol%.
Refrigeration agent its preparation method of the present invention is, after at normal temperatures container and pipeline being found time, above-mentioned each constituent element working medium carried out physical mixed by proportioning of its corresponding mole get final product.
Beneficial effect of the present invention is, by introducing fire-retardant constituent element working medium, and the constituent element and the composition of variation mixture, on the source, reduce the combustibility of working medium, composition is based on natural refrigerant, the all good HCs/ fire retardant mixing mediums of environmental characteristics, security and cycle performance are in order to substitute HCFC22 in air-conditioning system.
It is third rare that HC1270 in the above-mentioned constituent element is called, and its molecular formula is CH
2CHCH
3, molecular weight is 42.081.HC290 is called propane, and its molecular formula is CH
3CH
2CH
3, molecular weight is 44.097.HC170 is called ethane, and its molecular formula is CH
3CH
3, molecular weight is 30.070.HFC134a is called Tetrafluoroethane, and its molecular formula is CH
2FCF
3, molecular weight is 102.03.HFC13I1 is called CF3I, and its molecular formula is CF
3I, molecular weight are 195.9.CO
2(R744) be called carbonic acid gas, its molecular formula is CO
2, molecular weight is 44.01.
Embodiment
Embodiment 1: get 65%HC1270, and 20%HFC13I1,15%HC170, (be molecular fraction, down with) carries out after the physical mixed these three kinds of constituent elements at normal temperatures as refrigeration agent.
Embodiment 2: get 65%HC1270, and 30%HFC134a, 5%HC170 carries out after the physical mixed these three kinds of constituent elements at normal temperatures as refrigeration agent.
Embodiment 3: get 65%HC290, and 20%HFC134a, 15%HC170 carries out after the physical mixed these three kinds of constituent elements at normal temperatures as refrigeration agent.
Embodiment 4: get 75%HC290,15%HFC134a, 10%CO
2, these three kinds of constituent elements are carried out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 5: get 75%HC1270,20%HFC134a, 5%CO
2, these three kinds of constituent elements are carried out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 6: get 75%HC290,15%HFC13I1,10%CO
2, these three kinds of constituent elements are carried out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 7: get 75%HC1270,15%HFC13I1,10%CO
2, these three kinds of constituent elements are carried out after the physical mixed at normal temperatures as refrigeration agent.
If the design conditions of air-conditioning, heat pump are taken as: vaporization temperature is 7.2 ℃, condensing temperature is about 54.4 ℃, the press suction temperature is 35 ℃, supercooling temperature is 46.1 ℃, press efficient is 85%, according to cycle calculations, with above-mentioned seven embodiment have related parameter and with one of HCFC22 and existing surrogate R407C relatively be listed in the table below 1,2:
Table 1
| HCFC22 | R407C | Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| ODP | 0.05 | 0 | 0 | 0 | 0 |
| GWP | 1700 | 1370 | 142.4 | 392.1 | 262.4 |
| Evaporating pressure MPa | 0.614 | 0.623 | 0.690 | 0.627 | 0.646 |
| Condensing pressure MPa | 2.100 | 2.321 | 2.329 | 2.134 | 2.227 |
| Pressure ratio | 3.42 | 3.72 | 3.38 | 3.40 | 3.45 |
| Exhaust temperature ℃ | 110.7 | 100.1 | 101.7 | 96.1 | 93.4 |
| COP *(Energy Efficiency Ratio) | 1.00 | 0.94 | 0.90 | 0.95 | 0.93 |
| Cold * | 1.00 | 0.96 | 1.04 | 1.33 | 1.39 |
| Volume refrigerating capacity compressor * | 1.00 | 0.98 | 0.97 | 0.94 | 0.93 |
Table 2
| HCFC22 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | |
| ODP | 0.05 | 0 | 0 | 0 | 0 |
| GWP | 1700 | 197.35 | 262.3 | 107.35 | 107.35 |
| Evaporating pressure MPa | 0.614 | 0.661 | 0.672 | 0.634 | 0.720 |
| Condensing pressure MPa | 2.100 | 2.382 | 2.280 | 2.338 | 2.389 |
| Pressure ratio | 3.42 | 3.60 | 3.39 | 3.69 | 3.32 |
| Exhaust temperature ℃ | 110.7 | 97.05 | 97.8 | 98.4 | 102.2 |
| COP *(Energy Efficiency Ratio) | 1.00 | 0.88 | 0.95 | 0.88 | 0.93 |
| Cold * | 1.00 | 1.41 | 1.42 | 1.13 | 1.18 |
| Volume refrigerating capacity compressor * | 1.00 | 0.94 | 0.99 | 0.91 | 1.03 |
*: with the relative value of HCFC22 corresponding index
As seen from the above table, the environmental performance of hydrocarbon polymer/fire retardant hybrid refrigeration working medium is all good than HCFC22 and existing surrogate among these seven embodiment.Exhaust temperature is all low than HCFC22.Parameter such as condensing pressure, evaporating pressure is all close with HCFC22.Though it is COP is more lower slightly than HCFC22, suitable with existing a kind of surrogate R407C.Volume refrigerating capacity compressor is roughly suitable with HCFC22, and what have is also slightly high.
The invention belongs to the green-series mixed working fluid, with natural refrigerant (hydrocarbon, CO2) be main body, environmental characteristics good (the ODP value is 0, GWP value low); Introduce fire retardant, improved security; Compatible, cheap with unit material and lubricating oil; Thermal performance is good, and main cycle performance index is with HCFC22 is close or slightly excellent, is used in that the filling type alternate collar does harm to working medium HCFC22 in refrigeration, air-conditioning, the heat pump. Have environmental protection and energy-saving benefit.
Claims (2)
1. mix refrigerant contains HFC13I1, HFC134a, CO
2, it is characterized in that HFC13I1, HFC134a and CO
2In refrigeration system except that as the refrigeration agent, also as fire retardant, form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-1 by HC1270, HFC13I1, HC170, form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-2 by HC1270, HFC134a, HC170, form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-3 by HC290, HFC134a, HC170, by HC290, HFC134a, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-4, by HC1270, HFC134a, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-5, by HC290, HFC13I1, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-6, by HC1270, HFC13I1, CO
2Form hydrocarbon polymer/fire retardant hybrid refrigeration working medium-7.
2. according to the described mix refrigerant of claim 1, it is characterized in that its concrete mole proportioning of the described hydrocarbon polymer of being made up of variant working medium/fire retardant hybrid refrigeration working medium is:
HC1270/HFC13I1/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-1):
75-55/15-25/10-20
mol％，
HC1270/HFC134a/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-2):
80-35/15-45/5-20
mol％，
HC290/HFC134a/HC170 (hydrocarbon polymer/fire retardant hybrid refrigeration working medium-3):
75-35/15-45/10-20
mol％，
HC290/HFC134a/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-4): 75-55/15-35/10
Mol%,
HC1270/HFC134a/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-5): 80-50/15-40/5-10
Mol%,
HC290/HFC13I1/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-6): 75-65/15-25/10
Mol%,
HC290/HFC13I1/CO
2(hydrocarbon polymer/fire retardant hybrid refrigeration working medium-7): 75-65/15-25/10
Mol%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02124113 CN1255502C (en) | 2002-07-12 | 2002-07-12 | Green mixed refrigerating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02124113 CN1255502C (en) | 2002-07-12 | 2002-07-12 | Green mixed refrigerating agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1412267A CN1412267A (en) | 2003-04-23 |
| CN1255502C true CN1255502C (en) | 2006-05-10 |
Family
ID=4745331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02124113 Expired - Fee Related CN1255502C (en) | 2002-07-12 | 2002-07-12 | Green mixed refrigerating agent |
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| Country | Link |
|---|---|
| CN (1) | CN1255502C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766438B (en) * | 2010-04-06 | 2014-11-12 | 中国科学院理化技术研究所 | Mixed refrigerant containing trifluoroiodomethane |
| CN106118604A (en) * | 2016-06-15 | 2016-11-16 | 青岛海尔特种电冰柜有限公司 | Ternary refrigerant for 50 DEG C ~ 60 DEG C of cryogenic temperatures |
| CN106543967B (en) * | 2016-10-28 | 2019-04-02 | 湖北绿冷高科节能技术有限公司 | A kind of refrigerant and preparation method thereof substituting R-410A |
| CN108559451B (en) * | 2018-04-17 | 2020-09-01 | 湖北瑞能华辉能源管理有限公司 | Refrigerant replacing R-410A |
-
2002
- 2002-07-12 CN CN 02124113 patent/CN1255502C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1412267A (en) | 2003-04-23 |
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