CN104263322B - A kind of mix refrigerant of replacement R502 and its preparation method and application - Google Patents
A kind of mix refrigerant of replacement R502 and its preparation method and application Download PDFInfo
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- CN104263322B CN104263322B CN201410455415.8A CN201410455415A CN104263322B CN 104263322 B CN104263322 B CN 104263322B CN 201410455415 A CN201410455415 A CN 201410455415A CN 104263322 B CN104263322 B CN 104263322B
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- 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
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- 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
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- 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
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- C09K2205/122—Halogenated hydrocarbons
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/24—Only one single fluoro component present
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- 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
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- 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
- C09K2205/40—Replacement mixtures
- C09K2205/47—Type R502
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Abstract
A kind of mix refrigerant of replacement R502 and its preparation method and application, under the operating mode of low temperature I, by mass percentage, the mix refrigerant is made up of 1~68% fluoroethane, 19~98% propylene and 1~32% propane, is made up of 1~22% fluoroethane, 29~78% propylene and 21~49% propane under the operating mode of low temperature II.Fluoroethane, propylene and propane are well mixed in the liquid state in proportion during preparation.The mix refrigerant ODP=0, GWP<12, environmental performance is fabulous.Evaporating pressure, condensing pressure, pressure ratio, normal boiling point, delivery temperature and R502 are very close, slip temperature is less than 2K, cycle performance coefficient, refrigerating effect per unit swept volume are superior to R502, unit mass refrigerating capacity is far above R502, standard volume refrigerating capacity is slightly less than R502, as the substitute of R502, and the filling quantity of refrigerant can be greatly reduced, reduce energy resource consumption.
Description
Technical field
The invention belongs to refrigerant art, it is related to a kind of mix refrigerant of replacement R502 and its preparation method and application.
Background technology
R502 is a kind of binary azeotrope being applied in nineteen fifty-three, by HCFC-22 and CFC-115 according to
48.8：51.2 mass fraction composition, is used to solve HCFC-22 excessive discharge temperatures in use and oil return difficulty etc. and asks
Topic.Compared with HCFC-22, delivery temperature declines R502, and evaporating pressure is improved, and system operation is safer, and oil return characteristic is also obtained
To improvement very well, device refrigeration performance is improve.Table 1 lists the basic thermophysical property of R502.
The basic thermophysical property of the R502 of table 1
From the composition of R502 as can be seen that in addition to containing HCFC-22, also contain CFC-115 (ODP=0.4, GWP=
7200), it destroys atmospheric ozone layer and global warming potential is very high, is《Montreal on ozone-layer depleting substance
Protocol》The first batch of refrigerant for prohibitting the use of, is prohibitted the use of in developed country and developing country completely by regulation.
The alternative refrigerant of the R502 for nowadays putting forward, mainly mix refrigerant.Patent application CN1544569's
《A kind of environment friendly refrigerating fluid of replacement R502》Disclose following component and percent mass proportioning：Fluoroethane, 1%~30%；Five
Fluoroethane, 35%~65%；HFC-143a, 5%~64%.Can realize directly charging during gained refrigerant replacement R502, and
Filling quantity can be reduced.
Apply for a patent publication number CN1189525's《A kind of long service green refrigerant》Disclose it is main by HFC-32 and
Two kinds of components of HFC-134a, two kinds of components of also FC-1311 and HFC-152a or contain HFC-227ea in addition.This mixing system
Cryogen can direct filling to substitute R502, and with good thermal property and thermal parameter.
Apply for a patent publication number CN1279266's《For the refrigerant of middle cryogenic refrigerating system》A kind of ternary is disclosed to mix
Refrigerant is closed, its component and percent mass proportioning are：Propane, 5%~25%；Chlorodifluoronmethane, 40%~80%；1,1,
1,2- HFC-134a, 5%~40%.Gained refrigerant can be as the near-mid term of R502 or long-term substitute.
But there is presently no the relevant report of performance mix refrigerant comprehensively better than R502, therefore develop excellent performance
The mixed refrigerant that R502 can be substituted is still the research emphasis of current refrigerant industry.
The content of the invention
It is an object of the invention to provide a kind of mix refrigerant of replacement R502 and its preparation method and application, the mixing
Refrigerant can substitute R502 under worst cold case, its function admirable, as the long-term substitute of R502, and be able to can reduce
The filling quantity of refrigerant, reduces energy resource consumption.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of mix refrigerant of replacement R502, is made up of fluoroethane, propylene, three kinds of components of propane.
The mass percent of three kinds of components is under the operating mode of low temperature I：
Fluoroethane 1%~68%；
Propylene 19%~98%；
Propane 1%~32%.
The mass percent of three kinds of components is under the operating mode of low temperature II：
Fluoroethane 1%~22%；
Propylene 29%~78%；
Propane 21%~49%.
The mass percent of three kinds of components is under the operating mode of low temperature I：
Fluoroethane, 5%；Propylene, 80%；Propane, 15%.
The mass percent of three kinds of components is under the operating mode of low temperature I：
Fluoroethane, 15%；Propylene, 54%；Propane, 31%；
Or, fluoroethane, 66%；Propylene, 19%；Propane, 15%.
The mass percent of three kinds of components is under the operating mode of low temperature II：
Fluoroethane, 5%；Propylene, 60%；Propane, 35%.
The mass percent of three kinds of components is under the operating mode of low temperature II：
Fluoroethane, 10%；Propylene, 50%；Propane, 40%；
Or, fluoroethane, 15%；Propylene, 40%；Propane, 45%.
The preparation method of the mix refrigerant of described replacement R502, by fluoroethane, propylene and propane according to matching somebody with somebody accordingly
It is more uniform than the physical mixed under liquid phase state, that is, obtain substituting the mix refrigerant of R502.
The mix refrigerant of described replacement R502 substitutes R502's as under the operating mode of low temperature I and/or the operating mode of low temperature II
The application of refrigerant.
The evaporating temperature of the described operating mode of low temperature I is -23 DEG C, and condensation temperature is 43 DEG C, and suction temperature is 5 DEG C, liquid temperature
Spend is 38 DEG C；The evaporating temperature of the operating mode of low temperature II is -40 DEG C, and condensation temperature is 35 DEG C, and suction temperature is -10 DEG C, fluid temperature
It is 30 DEG C.
Relative to prior art, the invention has the advantages that：
The mix refrigerant (HFC-161/HC-1270/HC-290) of the replacement R502 that the present invention is provided is that a kind of ternary is mixed
Refrigerant is closed, is made up of fluoroethane (HFC-161), propylene (HC-1270), three kinds of components of propane (HC-290), can be in low temperature I
R502 is substituted under operating mode and the operating mode of low temperature II, as the long-term substitute of R502, and the filling quantity of refrigerant can be reduced,
Reduce energy resource consumption.
The present invention provide mix refrigerant compared with R502, with advantages below：
(1) environmental performance is good, ODP=0, GWP ＜ 12, and environmental-protecting performance is much better than R502, meets current Ozonosphere protection
Requirement of the environment protection requirement and international standard laid equal stress on suppression global warming to alternative refrigerant.
(2) thermal parameter such as evaporating pressure, condensing pressure, pressure ratio, normal boiling point etc. with R502 very close to delivery temperature is slightly
Less than R502, the temperature glide under evaporating pressure is less than 2K, belongs to near-azeotrope refrigerant.
(3) a little higher than R502 of cycle performance coefficient (COP), refrigerating effect per unit swept volume, standard volume refrigerating capacity is slightly less than
R502, unit mass refrigerating capacity is R502 more than 2.5 times, it is possible to achieve being greatly lowered for filling quantity, power consumption is reduced, with very
Big economic benefit.
Specific embodiment
The mix refrigerant (HFC-161/HC-1270/HC-290) of the replacement R502 that the present invention is provided is that a kind of ternary is mixed
Refrigerant is closed, is made up of fluoroethane (HFC-161), propylene (HC-1270), three kinds of components of propane (HC-290), in the operating mode of low temperature I
The mass percent of three kinds of components is during lower replacement R502：HFC-161,1%~68%；HC-1270,19%~98%；HC-
290,1%~32%；The mass percent of three kinds of components is when R502 is substituted under the operating mode of low temperature II：HFC-161,1%~22%；
HC-1270,29%~78%；HC-290,21%~49%.
Within above range, most preferred mass percent is under the operating mode of low temperature I：
(1) HFC-161,5%；HC-1270,80%；HC-290,15%；
(2) HFC-161,15%；HC-1270,54%；HC-290,31%；
(3) HFC-161,66%；HC-1270,19%；HC-290,15%.
Most preferred mass percent is under the operating mode of low temperature II：
(1) HFC-161,5%；HC-1270,60%；HC-290,35%；
(2) HFC-161,10%；HC-1270,50%；HC-290,40%；
(3) HFC-161,15%；HC-1270,40%；HC-290,45%.
The preparation method of the mix refrigerant (HFC-161/HC-1270/HC-290) that the present invention is provided is by fluoroethane
(HFC-161), in liquid phase state, (normal temperature is normal according to corresponding proportioning for propylene (HC-1270), three kinds of components of propane (HC-290)
Pressure) under carry out physical mixed.
The operating mode that refrigerant replacement R502 is calculated in the present invention is the operating mode of low temperature I and the operating mode of low temperature II, and foundation is JB/T
7666-1995《Refrigeration and air-conditioning equipment nominal condition general provision》, its design parameter is as shown in table 2.
The loop parameter of the worst cold case of table 2
Table 3 provides the basic physical properties property of three kinds of components and R502.
The basic physical property of table 3 HFC-161, HC-1270, HC-290 and R502
Specific embodiment of the invention is given below.Specific embodiment is the recommended ratio in the scope of the invention, without
It is whole ratio of the invention, the scope of the present invention is not also construed as limiting.All proportionings in the scope of the invention are in this hair
Within bright claim.
Embodiment 1：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 5%；Propylene, 80%；Propane, 15%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 5 under liquid phase：80：15 quality
Percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 2：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 15%；Propylene, 54%；Propane, 31%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 15 under liquid phase：54：31 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 3：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 66%；Propylene, 19%；Propane, 15%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 66 under liquid phase：19：15 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 4：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature II, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 5%；Propylene, 60%；Propane, 35%.
When substituting R502 under the operating mode of low temperature II, HFC-161, HC-1270, HC-290 are pressed 5 under liquid phase：60：35 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 5：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature II, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 10%；Propylene, 50%；Propane, 40%.
When substituting R502 under the operating mode of low temperature II, HFC-161, HC-1270, HC-290 are pressed 10 under liquid phase：50：40 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 6：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature II, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 15%；Propylene, 40%；Propane, 45%.
When substituting R502 under the operating mode of low temperature II, HFC-161, HC-1270, HC-290 are pressed 15 under liquid phase：40：45 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 7：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 1%；Propylene, 98%；Propane, 1%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 1 under liquid phase：98：1 quality
Percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 8：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 68%；Propylene, 24%；Propane, 8%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 68 under liquid phase：24：8 quality
Percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 9：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 35%；Propylene, 33%；Propane, 32%.
When substituting R502 under the operating mode of low temperature I, HFC-161, HC-1270, HC-290 are pressed 35 under liquid phase：33：32 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 10：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature I and the operating mode of low temperature II, by mass percentage, by following
Three kinds of component compositions：Fluoroethane, 1%；Propylene, 78%；Propane, 21%.
When substituting R502 under the operating mode of low temperature I and the operating mode of low temperature II, HFC-161, HC-1270, HC-290 are pressed under liquid phase
1：78：21 mass percent carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Embodiment 11：
A kind of mix refrigerant that R502 is substituted under the operating mode of low temperature II, by mass percentage, by following three kinds of component groups
Into：Fluoroethane, 22%；Propylene, 29%；Propane, 49%.
When substituting R502 under the operating mode of low temperature II, HFC-161, HC-1270, HC-290 are pressed 22 under liquid phase：29：49 matter
Amount percentage carries out physical mixed, that is, obtain above-mentioned mix refrigerant.
Loop parameter according to the operating mode of low temperature I and the operating mode of low temperature II is circulated calculating, by the hybrid refrigeration of embodiment 1-6
The result of calculation of agent is listed in Table 4 below with R502 contrasts.
The mix refrigerant performance of the embodiment 1-6 of table 4 and the comparing of R502
Annotation：It is ratio with R502 with *.
From table 4, the environmental performance of mix refrigerant of the invention is good, and ODP=0, GWP value is less than 12, is far below
The GWP value of R502, meets current Ozonosphere protection and suppresses the environmental requirement that global warming is laid equal stress on.The mix refrigerant
Evaporating pressure, condensing pressure, pressure ratio, delivery temperature, normal boiling point etc. are with R502 very close to the temperature glide under evaporating pressure is small
In 2K.The a little higher than R502 of cycle performance coefficient (COP), refrigerating effect per unit swept volume, standard volume refrigerating capacity is less than R502, unit
Quality wasted work amount is higher than R502, and unit mass refrigerating capacity is R502 more than 2.5 times.
Mix refrigerant of the invention can realize direct filling to substitute, can be under the operating mode of low temperature I and the operating mode of low temperature II
R502 is substituted, as the medium and long term substitute of R502, and can be consumed energy with reduction, the excellent of filling quantity of refrigerant is greatly reduced
Point.
Claims (10)
1. it is a kind of under the operating mode of low temperature I substitute R502 mix refrigerant, it is characterised in that：By fluoroethane, propylene, three kinds of propane
Component is constituted；The mass percent of three kinds of components is：
Fluoroethane 1%~68%；
Propylene 19%~98%；
Propane 1%~32%.
2. it is according to claim 1 under the operating mode of low temperature I substitute R502 mix refrigerant, it is characterised in that：Described three
The mass percent of kind of component is：
Fluoroethane, 5%；Propylene, 80%；Propane, 15%；
Or fluoroethane, 15%；Propylene, 54%；Propane, 31%；
Or fluoroethane, 66%；Propylene, 19%；Propane, 15%.
3. it is a kind of under the operating mode of low temperature II substitute R502 mix refrigerant, it is characterised in that：By fluoroethane, propylene, propane three
Plant component composition；The mass percent of three kinds of components is：
Fluoroethane 1%~22%；
Propylene 29%~78%；
Propane 21%~49%.
4. it is according to claim 3 under the operating mode of low temperature II substitute R502 mix refrigerant, it is characterised in that：Described three
The mass percent of kind of component is：
Fluoroethane, 5%；Propylene, 60%；Propane, 35%；
Or fluoroethane, 10%；Propylene, 50%；Propane, 40%；
Or fluoroethane, 15%；Propylene, 40%；Propane, 45%.
5. the preparation method of the mix refrigerant that R502 is substituted under the operating mode of low temperature I described in claim 1 or 2, its feature exists
In：By fluoroethane, propylene and propane, according to matching accordingly under liquid phase state, physical mixed is uniform, that is, obtain in the work of low temperature I
The mix refrigerant of R502 is substituted under condition.
6. the preparation method of the mix refrigerant that R502 is substituted under the operating mode of low temperature II described in claim 3 or 4, its feature exists
In：By fluoroethane, propylene and propane, according to matching accordingly under liquid phase state, physical mixed is uniform, that is, obtain in the work of low temperature II
The mix refrigerant of R502 is substituted under condition.
7. the mix refrigerant that R502 is substituted under the operating mode of low temperature I described in claim 1 or 2 is replaced as under the operating mode of low temperature I
For the application of the refrigerant of R502.
8. application as claimed in claim 7, it is characterised in that：The evaporating temperature of the described operating mode of low temperature I is -23 DEG C, condensation
Temperature is 43 DEG C, and suction temperature is 5 DEG C, and fluid temperature is 38 DEG C.
9. the mix refrigerant of R502 is substituted under the operating mode of low temperature II as under the operating mode of low temperature II described in claim 3 or 4
Substitute the application of the refrigerant of R502.
10. application as claimed in claim 9, it is characterised in that：The evaporating temperature of the described operating mode of low temperature II is -40 DEG C, cold
Solidifying temperature is 35 DEG C, and suction temperature is -10 DEG C, and fluid temperature is 30 DEG C.
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| CN201410455415.8A CN104263322B (en) | 2014-09-09 | 2014-09-09 | A kind of mix refrigerant of replacement R502 and its preparation method and application |
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| CN104610918A (en) * | 2015-03-04 | 2015-05-13 | 天津大学 | Environment-friendly refrigerant suitable for refrigeration and cold storage system |
| CN110373157B (en) * | 2019-07-22 | 2020-11-10 | 珠海格力电器股份有限公司 | Refrigerant composition and method for preparing same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007135416A2 (en) * | 2006-05-20 | 2007-11-29 | Earthcare Products Limited | Refrigerant |
| CN101235275A (en) * | 2007-11-09 | 2008-08-06 | 浙江蓝天环保高科技股份有限公司 | Environmental protection type refrigerant |
-
2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007135416A2 (en) * | 2006-05-20 | 2007-11-29 | Earthcare Products Limited | Refrigerant |
| CN101235275A (en) * | 2007-11-09 | 2008-08-06 | 浙江蓝天环保高科技股份有限公司 | Environmental protection type refrigerant |
Non-Patent Citations (3)
| Title |
|---|
| Experimental study on HFC-161 mixture as an alternative refrigerant to R502;Yongmei Xuan;《International Journal of Refrigeration》;20050331;第28卷(第3期);第436-441页 * |
| HFC-161混合物替代R502的理论研究;宣永梅等;《制冷学报》;20111215;第32卷(第6期);第59-63页 * |
| R1270在制冷系统中的应用研究;金听祥等;《制冷与空调》;20111231;第11卷(第6期);第53-56页 * |
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