CN1757695A - Zero zone destruction and mixed working medium suitable for compression type heat pump - Google Patents
Zero zone destruction and mixed working medium suitable for compression type heat pump Download PDFInfo
- Publication number
- CN1757695A CN1757695A CN 200510115770 CN200510115770A CN1757695A CN 1757695 A CN1757695 A CN 1757695A CN 200510115770 CN200510115770 CN 200510115770 CN 200510115770 A CN200510115770 A CN 200510115770A CN 1757695 A CN1757695 A CN 1757695A
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- CN
- China
- Prior art keywords
- heat pump
- hfc
- working medium
- type heat
- tetrafluoroethane
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 title claims description 6
- 238000007906 compression Methods 0.000 title claims description 6
- 230000006378 damage Effects 0.000 title abstract description 8
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims abstract description 27
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 claims abstract description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 15
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims abstract description 13
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001273 butane Substances 0.000 claims abstract description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical compound CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000002574 poison Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical group FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000589248 Legionella Species 0.000 description 1
- 208000007764 Legionnaires' Disease Diseases 0.000 description 1
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A mixed working medium for the high-temp compression-type heat pump features no damage to ozone contains 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, and 1,1,1,3,3-pentafluoropropane. It is possible to add butane to it. Its advantages are no poison, incombustible, and high thermodynamic performance.
Description
Technical field
The present invention relates to the mixing medium that a kind of moderate and high temperature heat unit uses, the mixing medium of particularly a kind of do not damage the ozone layer fully (being ozone layer destroying potential ODP=0).
Background technology
Heat pump techniques is to utilize low temperature Lowlevel thermal energy resources such as GEOTHERMAL WATER, underground water, surface water (river, lake water, seawater), trade effluent waste gas, atmosphere, and employing heat pump principle, by a spot of electric energy input Lowlevel thermal energy is shifted to high level heat, thereby realize a kind of energy-conserving and environment-protective technology of heating and cooling.That heat pump has is energy-efficient, stable and reliable operation, obvious environment benefit, a tractor serves several purposes, can effectively utilize characteristics such as the waste heat energy, is a main direction of studying of present refrigeration, air conditioner industry therefore.
The middle and high temperature refrigerant that in the past was used as heat pump usually is CFC-11 and CFC-114 etc.But because CFC-11 and CFC-114 all belong to CFC class material, the latent value ODP of its ozone depletion is respectively 1.0 and 0.85, atmospheric ozone layer there is serious destruction, and the influence of their Greenhouse effect is also very big, its chamber effect potential value GWP is respectively 4600 and 9800, developed country is in forbidding in 1996, and developing country also will be in forbidding in 2010.So it is very necessary developing environment amenable heat pump middle and high temperature refrigerant, the heat pump fluid of particularly need not damage the ozone layer fully (being ODP=0).
In order to satisfy radiator heating and prevent that germ (as legionella etc.) from growing, and often needs to provide the hot water about 80 ℃ in the domestic hot-water.
Present existing heat pump fluid, or leaving water temperature(LWT) low excessively (fluorine Lyons-22 and 1,1,1,2-Tetrafluoroethane), or atmospheric ozone layer had destruction (being that ODP is non-vanishing), or temperature out is too high are to such an extent as to make original compressor can't works better.So being badly in need of not damaging the ozone layer fully and can using has the mixing medium that compressor provides 80 ℃ of left and right sides heats now.
Summary of the invention
The present invention is intended to research and develop the mixing medium that is applicable to the moderate and high temperature heat unit, makes its can either not damage the ozone layer fully (being that ODP is non-vanishing), can satisfy the less environmental requirement of Greenhouse effect again; Have thermal parameter and thermal property preferably again, safety, reliable; And compatible with existing HFC-134a handpiece Water Chilling Units equipment with refrigeration oil, can directly charge, in directly utilizing, under the condition of normal temperature waste heat source (about 40 ℃), can provide the middle heat of high temperature about 80 ℃.
Technical scheme of the present invention is as follows:
A kind of ozone layer destroying potential that is applicable to compression heat pump provided by the invention is zero mixing medium, and it is characterized in that: this mixing medium is by 1,1,1,2-Tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoro-propane and 1,1,1,3, three kinds of materials of 3-pentafluoropropane are formed, and the mass percentage content of each component is respectively:
1,1,1,2-Tetrafluoroethane 10～80%
1,1,1,2,3,3,3-heptafluoro-propane 5～80%
1,1,1,3,3-pentafluoropropane 10～80%.
The present invention can also add butane in above-mentioned three kinds of components, the mass percentage content of its component is respectively:
1,1,1,2-Tetrafluoroethane 10～80%
1,1,1,2,3,3,3-heptafluoro-propane 5～80%
1,1,1,3,3-pentafluoropropane 8～80%
Butane 2～10%.
Mixing medium provided by the invention, its preparation method are above-mentioned various components to be carried out physical mixed by its corresponding mixture ratio get final product under liquid phase state.
In the said components 1,1,1,2-Tetrafluoroethane (HFC-134a), its molecular formula is CH
2FCF
3, molar mass is 102.03, and normal boiling point is-26.1 ℃, and critical temperature is 101.1 ℃, and emergent pressure is 4.06MPa.
1,1,1,2,3,3,3-heptafluoro-propane (HFC-227ea), its molecular formula are CF
3CHFCF
3, molar mass is 170.03, and normal boiling point is-15.6 ℃, and critical temperature is 102.8 ℃, and emergent pressure is 2.98MPa.
1,1,1,3,3-pentafluoropropane (HFC-245fa), its molecular formula is CHF
2CH
2CF
3, molar mass is 134.05, and normal boiling point is 15.1 ℃, and critical temperature is 154.1 ℃, and emergent pressure is 4.43MPa.
Butane (HC-600), its molecular formula are CH
3CH
2CH
2CH
3, molar mass is 58.12, and normal boiling point is-0.5 ℃, and critical temperature is 152.0 ℃, and emergent pressure is 3.80MPa.
The present invention has the following advantages and beneficial effect:
A. environmental performance:
Its ozone layer destroying potential of refrigeration agent of the present invention (ODP) is zero, and its Greenhouse effect coefficient (GWP) is also lower, approximate HFC-134a.The present invention meets the protection ozonosphere fully, the environmental protection requirement that Greenhouse effect are lower.
B. thermal parameter:
The HFC-134a refrigeration agent is under normal temperature heat pump operating mode (5 ℃ of 27 ℃ of vaporization temperatures, 71 ℃ of condensing temperatures, 5 ℃ of supercooling temperatures and temperature of superheat), and evaporating pressure is that 706.2MPa, condensing pressure are that 2168.3MPa, compression ratio are 3.07, exhaust temperature is 87.9 ℃.And the present invention is when being used for high temperature design conditions (10 ℃ of 40 ℃ of vaporization temperatures, 83 ℃ of condensing temperatures, 2 ℃ of supercooling temperatures and temperature of superheat), evaporating pressure and condensing pressure all with HFC-134a close under middle normal temperature heat pump operating mode.Illustrated that the present invention can directly charge the system in crude HFC-134a, and need not change other parts, higher leaving water temperature(LWT) (about 80 ℃) just can be provided.
C. thermal property:
The present invention is about 4.7 at the heat supply COP under the above-mentioned design conditions, the volume heat supplied is 5100kJ/m
3About, thermal property is better.
In sum, the present invention does not damage the ozone layer, and the Greenhouse effect influence is less, compliance with environmental protection requirements; And nontoxic, not flammable, thermal property and thermal parameter are all better, can directly utilize the HFC-134a heat pump that middle heat of high temperature (about 80 ℃) is provided, and the major parts in compressor and the system need not changed, and production line need not transformed.
Embodiment
Embodiment 1: the HFC-134a with 10%, 10% HFC-227ea and 80% HFC-245fa carry out physical mixed under liquid phase.
Embodiment 2: the HFC-134a with 45%, 25% HFC-227ea and 30% HFC-245fa carry out physical mixed under liquid phase.
Embodiment 3: the HFC-134a with 80%, 5% HFC-227ea and 15% HFC-245fa carry out physical mixed under liquid phase.
Embodiment 4: the HFC-134a with 10%, 8% HFC-227ea, 80% HFC-245fa and 2% HC-600 carry out physical mixed under liquid phase.
Embodiment 5: the HFC-134a with 50%, 10% HFC-227ea, 30% HFC-245fa and 10% HC-600 carry out physical mixed under liquid phase.
Embodiment 6: the HFC-134a with 80%, 5% HFC-227ea, 8% HFC-245fa and 7% HC-600 carry out physical mixed under liquid phase.
Under design conditions, promptly under 10 ℃ of 40 ℃ of vaporization temperatures, 83 ℃ of condensing temperatures, 2 ℃ of supercooling temperatures and the temperature of superheat, the thermal property of the foregoing description is listed in the table 1.Also listed the parameter of HFC-134a in the table 1, to compare now.
By table 1 as seen, compare with HFC-134a, condensing pressure is low, exhaust temperature is suitable, COP and heat supplied under the heat supply operating mode are suitable, illustrate and can utilize existing HFC-134a heat pump compressor to form heat pump set fully, (about 40 ℃) can provide the hot water about 80 ℃ under middle normal temperature water condition.In addition, can find out also from table 1 that the ODP value of refrigeration agent of the present invention all is zero, GWP is lower than or is similar to HFC-134a.It should be noted that owing to added HC-600 the GWP value of the quaternary heat pump fluid that proposes in this patent is all less than the GWP value of HFC-134a.Therefore, integrated environment better performances.
Table 1 embodiment thermal property and environmental properties
| Embodiment | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | HFC134a |
| Evaporating pressure kPa | 331.4 | 659.0 | 851.3 | 340.7 | 717.4 | 965.4 | 1018.2 |
| Condensing pressure kPa | 1126.8 | 1993.6 | 2451.1 | 1151.7 | 2121.3 | 2684.7 | 2802.4 |
| Pressure ratio | 3.40 | 3.03 | 2.88 | 3.38 | 2.96 | 2.78 | 2.75 |
| Exhaust temperature ℃ | 97.2 | 100.6 | 103.1 | 97.6 | 102.0 | 101.9 | 103.2 |
| Heat supply COP | 5.05 | 4.709 | 4.610 | 5.041 | 4.674 | 4.451 | 4.62 |
| Heat supplied kJ/kg | 161.96 | 137.48 | 142.75 | 165.56 | 154.79 | 138.67 | 142.15 |
| Volume heat supplied kJ/m 3 | 2822.5 | 4651.1 | 5642.2 | 2881.9 | 4925.4 | 5926.4 | 6470.0 |
| ODP | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GWP | 1195 | 1602 | 1328 | 1108 | 1121 | 1189 | 1300 |
Claims (2)
1. an ozone layer destroying potential that is applicable to compression heat pump is zero mixing medium, it is characterized in that: this mixing medium is by 1,1,1,2-Tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoro-propane and 1,1,1,3, three kinds of materials of 3-pentafluoropropane are formed, and the mass percentage content of each component is respectively:
1,1,1,2-Tetrafluoroethane 10～80%
1,1,1,2,3,3,3-heptafluoro-propane 5～80%
1,1,1,3,3-pentafluoropropane 10～80%.
2. an ozone layer destroying potential that is applicable to compression heat pump is zero mixing medium, and it is characterized in that: this mixing medium is by 1,1,1,2-Tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoro-propane, 1,1,1,3, four kinds of materials of 3-pentafluoropropane and butane are formed, and the mass percentage content of its each component is respectively:
1,1,1,2-Tetrafluoroethane 10～80%
1,1,1,2,3,3,3-heptafluoro-propane 5～80%
1,1,1,3,3-pentafluoropropane 8～80%
Butane 2～10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101157701A CN1326967C (en) | 2005-11-11 | 2005-11-11 | Zero zone destruction and mixed working medium suitable for compression type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101157701A CN1326967C (en) | 2005-11-11 | 2005-11-11 | Zero zone destruction and mixed working medium suitable for compression type heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1757695A true CN1757695A (en) | 2006-04-12 |
| CN1326967C CN1326967C (en) | 2007-07-18 |
Family
ID=36703268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101157701A Expired - Fee Related CN1326967C (en) | 2005-11-11 | 2005-11-11 | Zero zone destruction and mixed working medium suitable for compression type heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1326967C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123618C (en) * | 2000-07-28 | 2003-10-08 | 清华大学 | Refrigerant |
| KR100405189B1 (en) * | 2001-02-16 | 2003-11-12 | 한국과학기술연구원 | A composition of Refrigerant Mixtures |
| CN1233779C (en) * | 2003-01-20 | 2005-12-28 | 天津大学 | A group of high temperature heat pump mixed working medium |
-
2005
- 2005-11-11 CN CNB2005101157701A patent/CN1326967C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1326967C (en) | 2007-07-18 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20161111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |