CN101851490B - Refrigerant composition capable of replacing HFC-134a - Google Patents
Refrigerant composition capable of replacing HFC-134a Download PDFInfo
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- CN101851490B CN101851490B CN201010198685A CN201010198685A CN101851490B CN 101851490 B CN101851490 B CN 101851490B CN 201010198685 A CN201010198685 A CN 201010198685A CN 201010198685 A CN201010198685 A CN 201010198685A CN 101851490 B CN101851490 B CN 101851490B
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Abstract
The invention discloses a refrigerant composition capable of replacing HFC-134a, consisting of 2,3,3,3-tetrafluoropropene (HFO-1234yf), trans-1,3,3,3-tetrafluoropropene (HFO-1234ze (E)) and 1,1-difluoroethane (HFC-152a). The ozone depleting potential (ODP) value of the refrigerant composition is zero and the value of global warm potential (GWP) is extraordinary low, thus conforming to the requirement of environmental protection, and the refrigerant composition of the invention has the physical property equivalent to the physical property of HFC-134a, can be directly used for the existing HFC-134a system without redesigning a compressor.
Description
Technical field
The present invention relates to a kind of refrigerant composition earl august eugene lund ian robert, relate in particular to a kind of refrigerant composition earl august eugene lund ian robert that is applied to have now alternative HFC-134a in refrigeration, air-conditioning or the heat-pump apparatus that uses HFC-134a.
Background technology
With HCFC-22, CFC-12, CFC-11 is that the freonll-11 of representative has good thermodynamic cycle performance, is widely used in industries such as refrigeration, air-conditioning.But this type of material has higher ozone depletion potential (ODP), and atmospheric residence time is very long, and global warming potential (GWP) is also very high, is one of main chemical substance of destroying atmospheric ozone layer, generation Greenhouse effect.Deleterious ultraviolet radiation can directly arrive earth surface after ozonosphere went to pot, and the plant plankton in farm crop and the ocean is produced severe impairment, but also can influence the immunity system of human body, the sickness rate of increase skin carcinoma, cataract etc.Global warming is another severe environmental problem of face of mankind, brings serious consequence to ecotope, and thousands of times of GWP values have also played the effect of adding fuel to the flames to a large amount of dischargings of the refrigeration agent of carbonic acid gas.Montreal protocol and amendment thereof are forbidden CFC class material basically, and regulation is progressively cut down to finally banning use of HCFC-22.In recent years, the exploitation about the refrigeration agent substitute products is one of important topic of organic fluorine chemical industry and association area research always.
The refrigeration agent substitute products that use at present mainly are HFC-134a, R410A and R407C etc.But these refrigeration agents respectively have relative merits, still are not very desirable.Wherein, the thermal conduction of R407C is relatively poor, and volume refrigerating capacity compressor under the identical operating mode and COP value in order to reach the refrigerating duty identical with HCFC-22, need the heat-transfer effect of enhanced heat exchange device all less than HCFC-22, and manufacturing cost will increase.The volume refrigerating capacity compressor of R410A is big more a lot of than HCFC-22; But its evaporating pressure, condensing pressure are also high a lot of than HCFC-22; Can not directly be used for substituting HCFC-22, need design compressor, interchanger, pipeline and system again in use, and; These two kinds of mix refrigerants all have higher GWP value, and a large amount of dischargings can the aggravation global warming.HFC-134a has good thermomechanical property and good safety in utilization, has become the refrigeration agent of widespread use in the domestic and international refrigerating and air conditioning industry, and its ODP is zero, but GWP is still higher, and a large amount of uses can cause global warming equally.Fluorine-containing greenhouse gases (F-gas) the control laws and regulations requirement that European Union in 2004 passes through; From on January 1st, 2011; European Union will forbid that the automative air conditioning of new production uses GWP value greater than 150 refrigeration agent, and from January 1st, 2017, forbid that all automative air conditionings use GWP are greater than 150 refrigeration agent; Therefore, study refrigeration agent that hangs down GWP and the trend that matching system becomes refrigeration, air-conditioning and heat pump industry development thereof and inevitable.
Summary of the invention
The objective of the invention is to research and develop the refrigerant composition earl august eugene lund ian robert of a kind of alternative HFC-134a; To make refrigeration agent ODP newly developed be zero and can suppress global warming, especially research and develop a kind of cycle performance and HFC-134a quite, can directly be used in the refrigeration agent that has the HFC-134a system now and can be used as the long-term surrogate of HFC-134a.
For realizing above-mentioned purpose, technical solution of the present invention is:
The present invention is the refrigerant composition earl august eugene lund ian robert of a kind of alternative HFC-134a, and it is by 2,3,3; 3-tetrafluoeopropene (HFO-1234yf), trans-1,3,3; 3-tetrafluoeopropene (HFO-1234ze (E)) and 1,1-C2H4F2 C2H4F2 (HFC-152a) is formed, and the mass percent of each component is:
2,3,3,3-tetrafluoeopropene (HFO-1234yf): 30%～70%;
Trans-1,3,3,3-tetrafluoeopropene (HFO-1234ze (E)): 5%～30%;
1,1-C2H4F2 C2H4F2 (HFC-152a): 25%～60%.
The preparation method of refrigerant composition earl august eugene lund ian robert provided by the invention is with 2,3; 3,3-tetrafluoeopropene (HFO-1234yf), trans-1,3; 3,3-tetrafluoeopropene (HFO-1234ze (E)) and 1,1-C2H4F2 C2H4F2 (HFC-152a) carries out physical mixed at normal temperatures by its specified quality proportioning.
The present invention has the following advantages and beneficial effect:
1, ODP value of the present invention is zero, and GWP very low (less than 150) meets environmental protection requirement.Table 1 has been listed the basic parameter of each component of the present invention.
2, thermal parameter and HFC-134a are very approaching, can the present invention directly be charged in refrigeration, air-conditioning or the heat pump set of the existing HFC-134a of use, need not to be specially designed compressor of the present invention and system thereof.
3, cycle performance is good.COP value of the present invention is suitable with HFC-134a, and volume refrigerating capacity compressor is also very approaching with HFC-134a, when substituting HFC-134a, need not the parts and the pipeline of the system that changes, and meets HFC-134a alternate long term growth requirement.
In a word; Refrigerant composition earl august eugene lund ian robert provided by the invention is to develop with substituting of refrigeration agent for satisfying refrigeration, air-conditioning or heat pump, especially can be used for existing HFC-134a system and substitute HFC-134a; Thermal property is suitable in HFC-134a, meets requirement on environmental protection.
The basic parameter of the contained component of table 1 environment friendly refrigerating fluid
| Component | Title | Molecular weight | Normal boiling point ℃ | Critical temperature ℃ | Emergent pressure MPa | ODP | GWP |
| HFO-1234yf | 2,3,3, the 3-tetrafluoeopropene | 114.04 | -29.45 | 94.7 | 3.382 | 0 | 4 |
| HFO-1234ze (E) | Trans-1,3,3, the 3-tetrafluoeopropene | 114.04 | -18.95 | 109.37 | 3.636 | 0 | 4 |
| HFC-152a | 1, the 1-C2H4F2 C2H4F2 | 66.05 | -24.02 | 113.26 | 4.517 | 0 | 120 |
Below in conjunction with specific embodiment the present invention is further described.
Embodiment
The present invention is the refrigerant composition earl august eugene lund ian robert of a kind of alternative HFC-134a, and it is by 2,3,3; 3-tetrafluoeopropene (HFO-1234yf), trans-1,3,3; 3-tetrafluoeopropene (HFO-1234ze (E)) and 1,1-C2H4F2 C2H4F2 (HFC-152a) is formed, and the mass percent of each component is:
Embodiment 1: get 30% HFO-1234yf, 10% HFO-1234ze (E), 60% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
Embodiment 2: get 35% HFO-1234yf, 30% HFO-1234ze (E), 35% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
Embodiment 3: get 40% HFO-1234yf, 10% HFO-1234ze (E), 50% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
Embodiment 4: get 45% HFO-1234yf, 15% HFO-1234ze (E), 40% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
Embodiment 5: get 55% HFO-1234yf, 10% HFO-1234ze (E), 35% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
Embodiment 6: get 70% HFO-1234yf, 5% HFO-1234ze (E), 25% HFC-152a, carry out at normal temperatures after the physical mixed as refrigeration agent.
The design conditions of refrigeration system are taken as: average vaporization temperature is 2 ℃, and average condensing temperature is 60 ℃, and superheating temperature is 5 ℃, and condensate depression is 5 ℃, according to cycle calculations, the foregoing description have related parameter and cycle performance index as shown in table 2.Also listed the parameter of HFC-134a in the table 2, for comparing.
Table 2 embodiment of the invention performance
| Parameter and performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | HFC-13 4a |
| Evaporating pressure MPa | 0.311 | 0.314 | 0.321 | 0.327 | 0.336 | 0.347 | 0.315 |
| Condensing pressure MPa | 1.605 | 1.609 | 1.637 | 1.653 | 1.681 | 1.707 | 1.682 |
| Pressure ratio | 5.15 | 5.12 | 5.10 | 5.06 | 5.0 | 4.92 | 5.35 |
| Quality refrigerating duty KJ/kg | 161.63 | 133.96 | 148.25 | 137.26 | 129.42 | 116.95 | 125.23 |
| Volume refrigerating capacity compressor KJ/m3 | 1877 | 1801 | 1878 | 1865 | 1873 | 1860 | 1884 |
| COP | 3.55 | 3.45 | 3.50 | 3.46 | 3.42 | 3.36 | 3.49 |
| ODP | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GWP | 73.6 | 38.3 | 62 | 50.4 | 44.6 | 33 | 1300 |
Can find out that from table 2 each item performance and the parameter of the present invention and HFC-134a are more approaching, and ozone layer destroying potential of the present invention (ODP) is zero, can not destroy atmospheric ozone layer, Greenhouse effect potential (GWP) is very low, meets requirement on environmental protection.
The preparation method:
The preparation method of refrigerant composition earl august eugene lund ian robert provided by the invention is with 2,3; 3,3-tetrafluoeopropene (HFO-1234yf), trans-1,3; 3,3-tetrafluoeopropene (HFO-1234ze (E)) and 1,1-C2H4F2 C2H4F2 (HFC-152a) carries out physical mixed at normal temperatures by its specified quality proportioning.
Claims (1)
1. the refrigerant composition earl august eugene lund ian robert of an alternative HFC-134a is characterized in that: it is by 2,3,3,3-tetrafluoeopropene, trans-1, and 3,3,3-tetrafluoeopropene and 1, the 1-C2H4F2 C2H4F2 is formed, and the mass percent of each component is:
2,3,3,3-tetrafluoeopropene: 30%～70%;
Trans-1,3,3,3-tetrafluoeopropene: 5%～30%;
1,1-C2H4F2 C2H4F2: 25%～60%.
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| CN201010198685A CN101851490B (en) | 2010-06-04 | 2010-06-04 | Refrigerant composition capable of replacing HFC-134a |
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| CN101851490B true CN101851490B (en) | 2012-10-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516945A (en) * | 2011-12-20 | 2012-06-27 | 集美大学 | Refrigerant composition capable of substituting HCFC-22 |
| CN104531079B (en) * | 2014-12-11 | 2018-04-17 | 中国科学院理化技术研究所 | A kind of mix refrigerant containing tetrafluoropropene |
| CN105038711A (en) * | 2015-07-30 | 2015-11-11 | 天津大学 | Mixed refrigerant containing 1,1-difluoroethane |
| CN106833536B (en) * | 2016-12-26 | 2019-08-20 | 浙江衢化氟化学有限公司 | A kind of refrigerant composition containing HF hydrocarbon |
| CN110628387B (en) * | 2019-09-12 | 2020-12-11 | 珠海格力电器股份有限公司 | Low-flammability heat transfer composition and heat exchange system |
| CN110699042B (en) * | 2019-09-30 | 2021-04-27 | 浙江衢化氟化学有限公司 | Composition of fluoroolefin and fluoroalkane |
| CN111944489B (en) | 2020-07-21 | 2021-10-29 | 浙江衢化氟化学有限公司 | Composition containing fluorohydrocarbon and preparation method thereof |
Citations (5)
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| CN1969028A (en) * | 2004-04-16 | 2007-05-23 | 霍尼韦尔国际公司 | Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane |
| CN1977025A (en) * | 2004-04-29 | 2007-06-06 | 霍尼韦尔国际公司 | Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons |
| WO2008027555A2 (en) * | 2006-09-01 | 2008-03-06 | E. I. Du Pont De Nemours And Company | Method for circulating selected heat transfer fluids through a closed loop cycle |
| RU2007136789A (en) * | 2005-03-04 | 2009-04-10 | Е.И.Дюпон де Немур энд Компани (US) | COMPOSITIONS CONTAINING FLUOROLEFIN |
| WO2010059677A2 (en) * | 2008-11-19 | 2010-05-27 | E. I. Du Pont De Nemours And Company | Tetrafluoropropene compositions and uses thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1969028A (en) * | 2004-04-16 | 2007-05-23 | 霍尼韦尔国际公司 | Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane |
| CN1977025A (en) * | 2004-04-29 | 2007-06-06 | 霍尼韦尔国际公司 | Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons |
| RU2007136789A (en) * | 2005-03-04 | 2009-04-10 | Е.И.Дюпон де Немур энд Компани (US) | COMPOSITIONS CONTAINING FLUOROLEFIN |
| WO2008027555A2 (en) * | 2006-09-01 | 2008-03-06 | E. I. Du Pont De Nemours And Company | Method for circulating selected heat transfer fluids through a closed loop cycle |
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