CN1654587A - Mixed substance containing HFE-143(CH2FOCHF2) for moderate and high temperature heat pump - Google Patents
Mixed substance containing HFE-143(CH2FOCHF2) for moderate and high temperature heat pump Download PDFInfo
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- CN1654587A CN1654587A CN 200510013094 CN200510013094A CN1654587A CN 1654587 A CN1654587 A CN 1654587A CN 200510013094 CN200510013094 CN 200510013094 CN 200510013094 A CN200510013094 A CN 200510013094A CN 1654587 A CN1654587 A CN 1654587A
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Abstract
The mixed work medium containing HFE-143(CH2FOCHF2) for high and medium temperature heat pump is suitable for use as the refrigerant of high and medium temperature heat pump system of condensation temperature of 60-140 deg.c. The mixed work medium is binary or ternary mixture of seven kinds of components, including HFE-143, HFC-143, HFC-236ea, HFC-236fa, HFC-245ca, HFC-245fa and HFC-254cb, in certain mass proportion; and various components are mixed physically at normal temperature. The present invention has no damage on ozone layer, low greenhouse effect potential, proper thermal parameters and excellent circulation performance, and may be used in both optimally designed HCFC22 air conditioner compressor and available HCFC22 air conditioner compressor to convert the air conditioner compressor into high and medium temperature heat pump set with the new work medium.
Description
Technical field
The invention belongs to the refrigeration agent in heat pump or refrigeration, the air-conditioning system, especially be suitable as condensing temperature and be the refrigeration working medium in 60-140 ℃ the moderate and high temperature heat system.
Background technology
Heat pump techniques can (for example electric energy) be a cost to consume a part of higher-grade, by thermodynamic cycle, the grade of the low grade heat energy that can not directly utilize (heat energy that contains in air, soil, surface water or the shallow ground water, and Geothermal energy, sun power, industrial exhaust heat etc.) rises to the level that can support utilization; The Energy Efficiency Ratio of system (or the coefficient of performance--COP) generally be higher than 3.For satisfying the requirement of industrial sector to higher heat supply temperature, high temperature in the heat pump techniques forward (condensing temperature is 80-100 ℃), high temperature (condensing temperature is higher than 100 ℃) heat pump direction develop.One of key issue of restriction moderate and high temperature heat technical development is exactly to lack the cycle fluid that is fit to.Once as the material of moderate and high temperature heat systematic working medium, CFC11, CFC12, CFC114 etc. were arranged in the past.They are CFCs class material, and its depletion of the ozone layer gesture (ODP) and global warming potential (GWP) are all very big, and developed country is in forbidding in 1996, and developing country also will be in forbidding in 2010.Use more air-conditioning-heat pump at present, used working medium mainly is HCFC22 or its surrogate R407C, R410A etc., the hot water top temperature that system can provide is 50-55 ℃, and (high more not only cycle performance worsens, also will cause the accident because of the pressure and the warm upper limit of row that breaks through system), the heat energy of higher temperature level can't be provided.Development environment close friend, the good novel working medium of thermal performance are most important to the development of moderate and high temperature heat technology.
Mixing medium provided by the invention is for condensing temperature is that 60-140 ℃ moderate and high temperature heat system applies is developed, and also can be used as centrifugal refrigerating, air conditioning unit working medium.
Summary of the invention
The purpose of this invention is to provide and contain the new working medium that HFE-143 is suitable for the application of moderate and high temperature heat unit, make its environmental characteristics and cycle performance all good.
Below each constituent element of the present invention and component are introduced.Contain HFE-143 (CH
2FOCHF
2) the moderate and high temperature heat mixing medium, contain HFE-143 (CH
2FOCHF
2), HFC-143 (1,1, the 2-Halothane), HFC-236ea (1,1,1,2,3, the 3-HFC-236fa), HFC-236fa (1,1,1,3,3,3,-HFC-236fa), HFC-245ca (1,1,2,2, the 3-pentafluoropropane), HFC-245fa (1,1,1,3, the 3-pentafluoropropane), HFC-254cb (1,1,2, the 2-tetrafluoropropane) totally 7 kinds of constituent element materials.The basic parameter of each constituent element material is as shown in table 1.
Contain HFE-143 (CH
2FOCHF
2) the moderate and high temperature heat mixing medium, can form by HFE-143 and HFC-236ea; Or form by HFE-143, HFC-236ea and HFC-245ca; Or form by HFE-143 and HFC-245fa; Or form by HFE-143, HFC-236ea and HFC-245fa; Or form by HFE-143, HFC-236ea and HFC-254cb; Or form by HFE-143, HFC-236ea and HFC-143; Or form by HFE-143 and HFC-245ca; Or form by HFE-143, HFC-236fa and HFC-245ca; Or form by HFE-143 and HFC-236fa; Or form by HFE-143, HFC-236fa and HFC-245fa; Or form by HFE-143, HFC-236fa and HFC-254cb; Or form by HFE-143, HFC-236fa and HFC-143; Or form by HFE-143, HFC-245fa and HFC-245ca; Or form by HFE-143, HFC-245fa and HFC-254cb; Or form by HFE-143, HFC-245fa and HFC-143.
The concrete proportioning (mass percent) of above-mentioned each constituent element material is:
HFE143/HFC236ea/HFC245ca????3-98/2-97/0-95％，
HFE143/HFC236ea/HFC245fa????4-99/0-95/1-96％，
HFE143/HFC236ea/HFC254cb????2-93/3-94/4-95％，
HFE143/HFC236ea/HFC143??????3-95/4-96/1-93％，
HFE143/HFC236fa/HFC245ca????3-98/0-95/2-97％，
HFE143/HFC236fa/HFC245fa????2-98/2-98/0-96％，
HFE143/HFC236fa/HFC254cb????1-97/1-97/2-98％，
HFE143/HFC236fa/HFC143??????3-91/4-92/5-93％，
HFE143/HFC245fa/HFC245ca????2-96/1-95/3-97％，
HFE143/HFC245fa/HFC254cb????4-92/3-91/5-93％，
HFE143/HFC245fa/HFC143??????2-94/4-96/2-94％。
More than each constituent element material mass percentage ratio sum of every kind of mixing medium be 100%.
The preparation method of mixing medium of the present invention is each constituent element material to be carried out physical mixed at normal temperatures by its specified quality proportioning get final product.
The present invention has the following advantages and beneficial effect:
(1) environmental performance: ODP of the present invention equals zero, and its environmental characteristics is good.(2) thermal parameter: the evaporating pressure under moderate and high temperature heat design conditions (as 70 ℃ of vaporization temperatures, 120 ℃ of condensing temperatures, 5 ℃ of supercooling temperatures, temperature of superheat appropriateness) about 600.0kPa, condensing pressure about 2000.0kPa, compression ratio about 3.20, exhaust temperature is about 130.0 ℃.The thermal parameter of contrast HCFC22 under air-conditioning standard condition (7.2 ℃ of vaporization temperatures, 54.4 ℃ of condensing temperatures, 27.8 ℃ of supercooling temperatures, 8.3 ℃ of temperature of superheat) (evaporating pressure is that 626.6kPa, condensing pressure are that 2158.2kPa, compression ratio are 3.44, exhaust temperature be 111.0 ℃) as seen, under the moderate and high temperature heat design conditions, evaporating pressure and condensing pressure all with HCFC22 close under air conditioning condition, need not to be working medium of the present invention specialized designs compressor separately, can adopt the compressor of air conditioner of HCFC22 in the moderate and high temperature heat system design.(3) cycle performance: the present invention is about 4.4 at the heat supply COP under the above-mentioned design conditions, the unit mass heat supplied substantially more than 110kJ/kg, the unit volume heat supplied is at 3500kJ/m
3About, cycle performance is good.
Working medium of the present invention directly can be poured into existing HCFC22 air conditioning unit (some working medium requires more oil change), be translated into the moderate and high temperature heat unit of new working medium, and can guarantee to circulate efficiency and unit main hardware matching degree.
The basic parameter of each constituent element in table 1 mixing medium
T
b: normal boiling point, T
c: critical temperature, P
c: emergent pressure
| Constituent element | Title | Molecular formula | Molecular weight | ?T b?℃ | ?T c?℃ | ??P c??MPa | ???ODP | ??GWP |
| ??HFE-143 | - | ??CH 2FOCHF 2 | ??100.0 | ?30.06 | ?186.83 | ??4.141 | ????0 | ??- |
| ??HFC-143 | 1,1, the 2-Halothane | ??CH 2FCHF 2 | ??84.0 | ?5.00 | ?157.80 | ??4.233 | ????0 | ??- |
| ??HFC-236ea | 1,1,1,2,3, the 3-HFC-236fa | ??CF 3CHFCHF 2 | ??152.0 | ?6.50 | ?141.10 | ??3.533 | ????0 | ??- |
| ??HFC-236fa | 1,1,1,3,3, the 3-HFC-236fa | ??CF 3CH 2CF 3 | ??152.0 | ?-1.11 | ?130.60 | ??3.177 | ????0 | ??6300 |
| ??HFC-245ca | 1,1,2,2, the 3-pentafluoropropane | ??CF 2HCF 2CH 2F | ??134.0 | ?25.00 | ?178.40 | ??3.885 | ????0 | ??- |
| ??HFC-245fa | 1,1,1,3, the 3-pentafluoropropane | ??CF 3CH 2CHF 2 | ??134.0 | ?15.30 | ?157.50 | ??3.644 | ????0 | ??790 |
| ??HFC-254cb | 1,1,2, the 2-tetrafluoropropane | ??CF 2HCF 2CH 3 | ??116.0 | ?-0.78 | ?146.10 | ??3.753 | ????0 | ??- |
Embodiment
Embodiment 1: get 26.2
Mass%HFE-143 and 73.8
Mass%HFC-236ea carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 2: get 14.7
Mass%HFE-143,55.8
Mass%HFC-236ea and 29.5
Mass%HFC-245ca carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 3: get 42.7
Mass%HFE-143 and 57.3
Mass%HFC-245fa carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 4: get 30.9
Mass%HFE-143,58.7
Mass%HFC-236ea and 10.4
Mass%HFC-245fa carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 5: get 22.6
Mass%HFE-143,68.7
Mass%HFC-236ea and 8.7
Mass%HFC-254cb carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 6: get 19.9
Mass%HFE-143,66.7
Mass%HFC-236ea and 13.4
Mass%HFC-143 carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 7: get 37.9
Mass%HFE-143 and 62.1
Mass%HFC-245ca carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 8: get 14.7
Mass%HFE-143,55.8
Mass%HFC-236fa and 29.5
Mass%HFC-245ca carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 9: get 49.7
Mass%HFE-143 and 50.3
Mass%HFC-236fa carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 10: get 31.6
Mass%HFE-143,42.0
Mass%HFC-236fa and 26.4
MassCarry out under the %HFC-245fa, normal temperature after the physical mixed as refrigeration agent.
Embodiment 11: get 37.1
Mass%HFE-143,43.8
Mass%HFC-236fa and 19.1
Mass%HFC-254cb carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 12: get 34.0
Mass%HFE-143,51.7
Mass%HFC-236fa and 14.3
Mass%HFC-143 carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 13: get 15.7
Mass%HFE-143,63.2
Mass%HFC-245fa and 21.1
Mass%HFC-245ca carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 14: get 16.1
Mass%HFE-143,70.0
Mass%HFC-245fa and 13.9
Mass%HFC-254cb carries out after the physical mixed at normal temperatures as refrigeration agent.
Embodiment 15: get 8.6
Mass%HFE-143,69.6
Mass%HFC-245fa and 21.8
Mass%HFC-143 carries out after the physical mixed at normal temperatures as refrigeration agent.
If the design conditions of heat pump are taken as: average vaporization temperature is 70 ℃, average condensing temperature is 120 ℃, the suction superheat temperature be 5 ℃ (to some working medium, for guaranteeing to avoid wet compression, getting the exhaust superheating temperature is 5 ℃), supercooling temperature is 5 ℃, it is 75% that compression process is decided entropic efficiency, according to cycle calculations, above-mentioned 15 embodiment have related parameter and cycle performance index as shown in table 2.
Table 2 various embodiments of the present invention performance
| Parameter and performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Evaporating pressure/MPa | ??0.590 | ??0.547 | ??0.469 | ??0.555 | ????0.619 |
| Condensing pressure/MPa | ??1.905 | ??1.771 | ??1.549 | ??1.806 | ????1.968 |
| Pressure ratio | ??3.23 | ??3.23 | ??3.30 | ??3.25 | ????3.18 |
| Exhaust temperature/℃ | ??126.4 | ??126.4 | ??125.8 | ??126.4 | ????126.3 |
| ????COP | ??4.53 | ??4.61 | ??4.75 | ??4.59 | ????4.48 |
| Heat supplied/kJ/kg | ??133.4 | ??136.1 | ??169.2 | ??142.6 | ????130.5 |
| Unit volume heating capacity/kJ/m 3 | ??4115 | ??3903 | ??3580 | ??3982 | ????4206 |
| Parameter and performance | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 |
| Evaporating pressure/MPa | ??0.635 | ??0.394 | ??0.614 | ??0.539 | ????0.581 |
| Condensing pressure/MPa | ??2.002 | ??1.300 | ??1.982 | ??1.785 | ????1.896 |
| Pressure ratio | ??3.15 | ??3.30 | ??3.23 | ??3.31 | ????3.26 |
| Exhaust temperature/℃ | ??126.1 | ??125.0 | ??127.3 | ??127.9 | ????127.1 |
| ????COP | ??4.49 | ??4.87 | ??4.44 | ??4.61 | ????4.52 |
| Heat supplied/kJ/kg | ??136.6 | ??175.9 | ??127.3 | ??156.0 | ????141.7 |
| Unit volume heating capacity/kJ/m 3 | ??4312 | ??3106.5 | ??4165 | ??3970 | ????4092 |
| Parameter and performance | Embodiment 11 | Embodiment 12 | Embodiment 13 | Embodiment 14 | Embodiment 15 |
| Evaporating pressure/MPa | ????0.606 | ????0.623 | ????0.504 | ????0.571 | ????0.611 |
| Condensing pressure/MPa | ????1.941 | ????1.995 | ????1.644 | ????1.824 | ????1.921 |
| Pressure ratio | ????3.20 | ????3.20 | ????3.26 | ????3.19 | ????3.14 |
| Exhaust temperature/℃ | ????127.4 | ????127.3 | ????125.6 | ????125.6 | ????125.4 |
| ????COP | ????4.51 | ????4.49 | ????4.67 | ????4.56 | ????4.54 |
| Heat supplied/kJ/kg | ????144.8 | ????147.5 | ????149.9 | ????143.8 | ????149.8 |
| Unit volume heating capacity/kJ/m 3 | ????4196 | ????4314 | ????3698 | ????3992 | ????4216 |
Claims (2)
1. contain HFE-143 (CH
2FOCHF
2) the moderate and high temperature heat mixing medium, it is characterized in that (CH by HFE-143
2FOCHF
2) and HFC-236ea (1,1,1,2,3, the 3-HFC-236fa) composition; Or by HFE-143, HFC-236ea and HFC-245ca (1,1,2,2, the 3-pentafluoropropane) composition; Or by HFE-143 and HFC-245fa (1,1,1,3, the 3-pentafluoropropane) composition; Or form by HFE-143, HFC-236ea and HFC-245fa; Or by HFE-143, HFC-236ea and HFC-254cb (1,1,2, the 2-tetrafluoropropane) composition; Or by HFE-143, HFC-236ea and HFC-143 (1,1, the 2-Halothane) composition; Or form by HFE-143 and HFC-245ca; Or by HFE-143, HFC-236fa (1,1,1,3,3,3 ,-HFC-236fa) and HFC-245ca composition; Or form by HFE-143 and HFC-236fa; Or form by HFE-143, HFC-236fa and HFC-245fa; Or form by HFE-143, HFC-236fa and HFC-254cb; Or form by HFE-143, HFC-236fa and HFC-143; Or form by HFE-143, HFC-245fa and HFC-245ca; Or form by HFE-143, HFC-245fa and HFC-254cb; Or form by HFE-143, HFC-245fa and HFC-143.
2. according to the described HFE-143 (CH that contains of claim 1
2FOCHF
2) the moderate and high temperature heat mixing medium, it is characterized in that the concrete proportioning (mass percent) of above-mentioned each constituent element material is:
HFE143/HFC236ea/HFC245ca??????3-98/2-97/0-95％，
HFE143/HFC236ea/HFC245fa??????4-99/0-95/1-96％，
HFE143/HFC236ea/HFC254cb??????2-93/3-94/4-95％，
HFE143/HFC236ea/HFC143????????3-95/4-96/1-93％，
HFE143/HFC236fa/HFC245ca??????3-98/0-95/2-97％，
HFE143/HFC236fa/HFC245fa??????2-98/2-98/0-96％，
HFE143/HFC236fa/HFC254cb??????1-97/1-97/2-98％，
HFE143/HFC236fa/HFC143????????3-91/4-92/5-93％，
HFE143/HFC245fa/HFC245ca??????2-96/1-95/3-97％，
HFE143/HFC245fa/HFC254cb??????4-92/3-91/5-93％，
HFE143/HFC245fa/HFC143????????2-94/4-96/2-94％。
More than each constituent element material mass percentage ratio sum of every kind of mixing medium be 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013094 CN1654587A (en) | 2005-01-14 | 2005-01-14 | Mixed substance containing HFE-143(CH2FOCHF2) for moderate and high temperature heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013094 CN1654587A (en) | 2005-01-14 | 2005-01-14 | Mixed substance containing HFE-143(CH2FOCHF2) for moderate and high temperature heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1654587A true CN1654587A (en) | 2005-08-17 |
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ID=34894196
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|---|---|---|---|
| CN 200510013094 Pending CN1654587A (en) | 2005-01-14 | 2005-01-14 | Mixed substance containing HFE-143(CH2FOCHF2) for moderate and high temperature heat pump |
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| Country | Link |
|---|---|
| CN (1) | CN1654587A (en) |
-
2005
- 2005-01-14 CN CN 200510013094 patent/CN1654587A/en active Pending
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