CN104263322A - Mixed refrigerant replacing R502 as well as preparation method and application thereof - Google Patents

Mixed refrigerant replacing R502 as well as preparation method and application thereof Download PDF

Info

Publication number
CN104263322A
CN104263322A CN201410455415.8A CN201410455415A CN104263322A CN 104263322 A CN104263322 A CN 104263322A CN 201410455415 A CN201410455415 A CN 201410455415A CN 104263322 A CN104263322 A CN 104263322A
Authority
CN
China
Prior art keywords
low temperature
fluoroethane
propane
propylene
operating mode
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
Application number
CN201410455415.8A
Other languages
Chinese (zh)
Other versions
CN104263322B (en
Inventor
赵小明
吕二立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUZHHOU XINGHAO MUSICAL INSTRUMENT Co.,Ltd.
Original Assignee
Xian Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Jiaotong University filed Critical Xian Jiaotong University
Priority to CN201410455415.8A priority Critical patent/CN104263322B/en
Publication of CN104263322A publication Critical patent/CN104263322A/en
Application granted granted Critical
Publication of CN104263322B publication Critical patent/CN104263322B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • 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
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • C09K2205/122—Halogenated hydrocarbons
    • 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
    • C09K2205/24—Only one single fluoro component present
    • 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
    • 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

Abstract

The invention provides a mixed refrigerant replacing R502 as well as a preparation method and application thereof. Under the working condition of low temperature I, the mixed refrigerant is formed by 1-68% of fluoroethane, 19-98% of propylene and 1-32% of propane by mass percent. Under the working condition of low temperature II, the mixed refrigerant is formed by 1-22% of fluoroethane, 29-78% of propylene and 21-49% of propane by mass percent. During preparation, fluoroethane, propylene and propane are mixed uniformly in a liquid state in proportion. The mixed refrigerant has the advantages that the ODP (ozone depletion potential) is equal to 0; the GWP (global warming potential) is less than 12; the environmental performances are excellent; the evaporation pressure, the condensation pressure, the pressure ratio, the standard boiling point and the exhaust temperature of the mixed refrigerant are close to the evaporation pressure, the condensation pressure, the pressure ratio, the standard boiling point and the exhaust temperature of R502; the temperature glide is less than 2K; the cycle performance coefficient and the unit volume refrigerating capacity of the mixed refrigerant are better than the cycle performance coefficient and the unit volume refrigerating capacity of R502; the unit mass refrigerating capacity of the mixed refrigerant is far higher than that of R502; the standard volume refrigerating capacity of the mixed refrigerant is slightly lower than that of R502; the mixed refrigerant can serve as a substitute of R502 and can substantially reduce the charge of the refrigerant and energy consumption.

Description

Mix refrigerant of a kind of alternative R502 and its preparation method and application
Technical field
The invention belongs to refrigerant art, relate to mix refrigerant of a kind of alternative R502 and its preparation method and application.
Background technology
R502 is a kind of binary azeotrope be applied in nineteen fifty-three, is made up of according to the massfraction of 48.8:51.2 HCFC-22 and CFC-115, in order to solve the problem such as HCFC-22 excessive discharge temperature in use and oil return difficulty.R502 and HCFC-22 compares, and exhaust temperature declines, and evaporating pressure improves, and system cloud gray model is safer, and oil return characteristic is also improved very well, improves device refrigeration performance.Table 1 lists the elementary heat physical properties of R502.
The elementary heat physical properties of table 1 R502
As can be seen from the composition of R502, except containing except HCFC-22, also containing CFC-115 (ODP=0.4, GWP=7200), it destroys atmospheric ozone layer and global warming potential is very high, be the refrigeration agent that " Montreal Protocol about ozone-layer depleting substance " prohibits the use in the first batch, prohibit the use in developed country and developing country by regulation is now complete.
The alternative refrigerant of the R502 nowadays put forward, mainly mix refrigerant." environment friendly refrigerating fluid of a kind of alternative R502 " of patent application CN1544569 discloses following component and percent mass proportioning: fluoroethane, 1% ~ 30%; Pentafluoride ethane, 35% ~ 65%; Halothane, 5% ~ 64%.Can realize directly charging during gained refrigerant replacement R502, and can filling quantity be reduced.
" a kind of long service green refrigerant " of applying for a patent publication number CN1189525 discloses primarily of HFC-32 and HFC-134a two kinds of components, also has FC-1311 and HFC-152a two kinds of components in addition or contains HFC-227ea.This mix refrigerant can direct filling to substitute R502, and has good thermal property and thermal parameter.
" refrigeration agent for middle cryogenic refrigerating system " of applying for a patent publication number CN1279266 discloses a kind of ternary mixed refrigerant, and its component and percent mass proportioning are: propane, 5% ~ 25%; Chlorodifluoronmethane, 40% ~ 80%; HFA 134a, 5% ~ 40%.Gained refrigeration agent can as the near-mid term of R502 or long-term surrogate.
But also do not have performance to be better than the relevant report of the mix refrigerant of R502 at present, the mixed refrigerant that can substitute R502 therefore developing excellent performance is still the research emphasis of current refrigeration agent industry comprehensively.
Summary of the invention
The object of the present invention is to provide mix refrigerant of a kind of alternative R502 and its preparation method and application, this mix refrigerant can substitute R502, its excellent property under worst cold case, can be used as the long-term surrogate of R502, and the filling quantity of refrigeration agent can be reduced, reduce energy consumption.
For achieving the above object, the present invention by the following technical solutions:
A mix refrigerant of alternative R502, is made up of fluoroethane, propylene, propane three kinds of components.
Under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane 1% ~ 68%;
Propylene 19% ~ 98%;
Propane 1% ~ 32%.
Under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane 1% ~ 22%;
Propylene 29% ~ 78%;
Propane 21% ~ 49%.
Under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane, 5%; Propylene, 80%; Propane, 15%.
Under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane, 15%; Propylene, 54%; Propane, 31%;
Or, fluoroethane, 66%; Propylene, 19%; Propane, 15%.
Under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane, 5%; Propylene, 60%; Propane, 35%.
Under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane, 10%; Propylene, 50%; Propane, 40%;
Or, fluoroethane, 15%; Propylene, 40%; Propane, 45%.
The preparation method of the mix refrigerant of described alternative R502, fluoroethane, propylene and propane is even according to corresponding proportioning physical mixed under liquid phase state, namely obtain the mix refrigerant of alternative R502.
The mix refrigerant of described alternative R502 is as the application of refrigeration agent substituting R502 under low temperature I operating mode and/or low temperature II operating mode.
The vaporization temperature of described low temperature I operating mode is-23 DEG C, and condensing temperature is 43 DEG C, and suction temperature is 5 DEG C, and fluid temperature is 38 DEG C; The vaporization temperature of low temperature II operating mode is-40 DEG C, and condensing temperature is 35 DEG C, and suction temperature is-10 DEG C, and fluid temperature is 30 DEG C.
Relative to prior art, the present invention has following beneficial effect:
The mix refrigerant (HFC-161/HC-1270/HC-290) of alternative R502 provided by the invention is a kind of ternary mixed refrigerant, be made up of fluoroethane (HFC-161), propylene (HC-1270), propane (HC-290) three kinds of components, R502 can be substituted under low temperature I operating mode and low temperature II operating mode, can be used as the long-term surrogate of R502, and the filling quantity of refrigeration agent can be reduced, reduce energy consumption.
Mix refrigerant provided by the invention, compared with R502, has the following advantages:
(1) environmental performance is good, ODP=0, GWP < 12, and environmental-protecting performance is much better than R502, and the environment protection requirement meeting current Ozonosphere protection and suppress global warming to be laid equal stress on and international standard are to the requirement of alternative refrigerant.
(2) thermal parameter is as very close with R502 in evaporating pressure, condensing pressure, pressure ratio, normal boiling point etc., and exhaust temperature is slightly lower than R502, and the temperature glide under evaporating pressure is less than 2K, belongs to near-azeotrope refrigerant.
(3) cycle performance coefficient (COP), all a little higher than R502 of refrigerating effect per unit swept volume, orthobaric volume refrigerating duty is slightly lower than R502, and unit mass refrigerating duty is more than 2.5 times of R502, can realize the significantly reduction of filling quantity, reduce power consumption, there is very large economic benefit.
Embodiment
The mix refrigerant (HFC-161/HC-1270/HC-290) of alternative R502 provided by the invention is a kind of ternary mixed refrigerant, be made up of fluoroethane (HFC-161), propylene (HC-1270), propane (HC-290) three kinds of components, the mass percent substituting three kinds of components during R502 under low temperature I operating mode is: HFC-161,1% ~ 68%; HC-1270,19% ~ 98%; HC-290,1% ~ 32%; The mass percent substituting three kinds of components during R502 under low temperature II operating mode is: HFC-161,1% ~ 22%; HC-1270,29% ~ 78%; HC-290,21% ~ 49%.
Within above-mentioned scope, under low temperature I operating mode, most preferred mass percent is:
(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％。
Under low temperature II operating mode, most preferred mass percent is:
(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％。
Fluoroethane (HFC-161), propylene (HC-1270), propane (HC-290) three kinds of components are carried out physical mixed according to corresponding proportioning by the preparation method of mix refrigerant provided by the invention (HFC-161/HC-1270/HC-290) under liquid phase state (normal temperature and pressure).
The operating mode calculating refrigerant replacement R502 in the present invention is low temperature I operating mode and low temperature II operating mode, and according to being JB/T 7666-1995 " refrigeration and conditioning unit nominal condition general provision ", its design parameter is as shown in table 2.
The loop parameter of table 2 worst cold case
Table 3 provides the basic physical properties character of three kinds of components and R502.
The basic physical properties of table 3 HFC-161, HC-1270, HC-290 and R502
Provide specific embodiments of the invention below.Specific embodiment is the recommendation proportioning in the scope of the invention, instead of whole proportioning of the present invention, is not also construed as limiting scope of the present invention.All proportionings in the scope of the invention are all within claim of the present invention.
Embodiment 1:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 5%; Propylene, 80%; Propane, 15%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 5:80:15 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 2:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 15%; Propylene, 54%; Propane, 31%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 15:54:31 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 3:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 66%; Propylene, 19%; Propane, 15%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 66:19:15 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 4:
Under low temperature II operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 5%; Propylene, 60%; Propane, 35%.
When substituting R502 under low temperature II operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 5:60:35 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 5:
Under low temperature II operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 10%; Propylene, 50%; Propane, 40%.
When substituting R502 under low temperature II operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 10:50:40 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 6:
Under low temperature II operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 15%; Propylene, 40%; Propane, 45%.
When substituting R502 under low temperature II operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 15:40:45 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 7:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 1%; Propylene, 98%; Propane, 1%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 1:98:1 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 8:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 68%; Propylene, 24%; Propane, 8%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 68:24:8 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 9:
Under low temperature I operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 35%; Propylene, 33%; Propane, 32%.
When substituting R502 under low temperature I operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 35:33:32 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 10:
Under low temperature I operating mode and low temperature II operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 1%; Propylene, 78%; Propane, 21%.
When substituting R502 under low temperature I operating mode and low temperature II operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 1:78:21 under liquid phase, namely obtains above-mentioned mix refrigerant.
Embodiment 11:
Under low temperature II operating mode, substitute a mix refrigerant of R502, by mass percentage, be made up of following three kinds of components: fluoroethane, 22%; Propylene, 29%; Propane, 49%.
When substituting R502 under low temperature II operating mode, HFC-161, HC-1270, HC-290 are carried out physical mixed by the mass percent of 22:29:49 under liquid phase, namely obtains above-mentioned mix refrigerant.
Loop parameter according to low temperature I operating mode and low temperature II operating mode carries out cycle calculations, the calculation result of the mix refrigerant of embodiment 1-6 and R502 is contrasted and lists in table 4.
The mix refrigerant performance of table 4 embodiment 1-6 and comparing of R502
Annotation: band * item is the ratio with R502.
From table 4, the environmental performance of mix refrigerant of the present invention is good, ODP=0, and GWP value is less than 12, far below the GWP value of R502, and the environmental requirement meeting current Ozonosphere protection and suppress global warming to be laid equal stress on.The evaporating pressure, condensing pressure, pressure ratio, exhaust temperature, normal boiling point etc. of this mix refrigerant are very close with R502, and the temperature glide under evaporating pressure is less than 2K.The all a little higher than R502 of cycle performance coefficient (COP), refrigerating effect per unit swept volume, orthobaric volume refrigerating duty is lower than R502, and unit mass wasted work amount is higher than R502, and unit mass refrigerating duty is more than 2.5 times of R502.
Mix refrigerant of the present invention can realize direct filling to substitute, can substitute R502 under low temperature I operating mode and low temperature II operating mode, as the medium-term and long-term surrogate of R502, and can have the advantage reducing power consumption, significantly reduce filling quantity of refrigerant.

Claims (10)

1. a mix refrigerant of alternative R502, is characterized in that: be made up of fluoroethane, propylene, propane three kinds of components.
2. the mix refrigerant of alternative R502 according to claim 1, is characterized in that: under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane 1% ~ 68%;
Propylene 19% ~ 98%;
Propane 1% ~ 32%.
3. the mix refrigerant of alternative R502 according to claim 1, is characterized in that: under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane 1% ~ 22%;
Propylene 29% ~ 78%;
Propane 21% ~ 49%.
4. the mix refrigerant of alternative R502 according to claim 1 and 2, is characterized in that: under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane, 5%; Propylene, 80%; Propane, 15%.
5. the mix refrigerant of alternative R502 according to claim 1 and 2, is characterized in that: under low temperature I operating mode, the mass percent of three kinds of components is:
Fluoroethane, 15%; Propylene, 54%; Propane, 31%;
Or, fluoroethane, 66%; Propylene, 19%; Propane, 15%.
6. the mix refrigerant of the alternative R502 according to claim 1 or 3, is characterized in that: under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane, 5%; Propylene, 60%; Propane, 35%.
7. the mix refrigerant of the alternative R502 according to claim 1 or 3, is characterized in that: under low temperature II operating mode, the mass percent of three kinds of components is:
Fluoroethane, 10%; Propylene, 50%; Propane, 40%;
Or, fluoroethane, 15%; Propylene, 40%; Propane, 45%.
8. the preparation method of the mix refrigerant of the alternative R502 in claim 1-7 described in any one, is characterized in that: fluoroethane, propylene and propane is even according to corresponding proportioning physical mixed under liquid phase state, namely obtains the mix refrigerant of alternative R502.
9. the mix refrigerant of the alternative R502 in claim 1-7 described in any one is as the application of refrigeration agent substituting R502 under low temperature I operating mode and/or low temperature II operating mode.
10. apply as claimed in claim 9, it is characterized in that: the vaporization temperature of described low temperature I operating mode is-23 DEG C, and condensing temperature is 43 DEG C, and suction temperature is 5 DEG C, and fluid temperature is 38 DEG C; The vaporization temperature of low temperature II operating mode is-40 DEG C, and condensing temperature is 35 DEG C, and suction temperature is-10 DEG C, and fluid temperature is 30 DEG C.
CN201410455415.8A 2014-09-09 2014-09-09 A kind of mix refrigerant of replacement R502 and its preparation method and application Active CN104263322B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410455415.8A CN104263322B (en) 2014-09-09 2014-09-09 A kind of mix refrigerant of replacement R502 and its preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410455415.8A CN104263322B (en) 2014-09-09 2014-09-09 A kind of mix refrigerant of replacement R502 and its preparation method and application

Publications (2)

Publication Number Publication Date
CN104263322A true CN104263322A (en) 2015-01-07
CN104263322B CN104263322B (en) 2017-06-27

Family

ID=52154911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410455415.8A Active CN104263322B (en) 2014-09-09 2014-09-09 A kind of mix refrigerant of replacement R502 and its preparation method and application

Country Status (1)

Country Link
CN (1) CN104263322B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610918A (en) * 2015-03-04 2015-05-13 天津大学 Environment-friendly refrigerant suitable for refrigeration and cold storage system
CN110373157A (en) * 2019-07-22 2019-10-25 珠海格力电器股份有限公司 Refrigerant composition and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
YONGMEI XUAN: "Experimental study on HFC-161 mixture as an alternative refrigerant to R502", 《INTERNATIONAL JOURNAL OF REFRIGERATION》 *
宣永梅等: "HFC-161混合物替代R502的理论研究", 《制冷学报》 *
金听祥等: "R1270在制冷系统中的应用研究", 《制冷与空调》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610918A (en) * 2015-03-04 2015-05-13 天津大学 Environment-friendly refrigerant suitable for refrigeration and cold storage system
CN110373157A (en) * 2019-07-22 2019-10-25 珠海格力电器股份有限公司 Refrigerant composition and preparation method thereof

Also Published As

Publication number Publication date
CN104263322B (en) 2017-06-27

Similar Documents

Publication Publication Date Title
JP7462612B2 (en) Refrigerant compositions and uses thereof
CN101235275B (en) Environmental protection type refrigerant
WO2011038570A1 (en) Refrigerant composition
CN109897607A (en) A kind of heat pump mixed working medium and application
EP3012307A1 (en) Mixed refrigerant
CN102127397A (en) Mixed working medium for organic working medium rankine cycle system of screw expander
CN107936925A (en) A kind of ternary mixed refrigerant being applied in air-conditioning/heat pump system
CN104263322A (en) Mixed refrigerant replacing R502 as well as preparation method and application thereof
CN104789192A (en) Novel refrigerating fluid suitable for medium and low temperature freezing and refrigerating system
CN104610919B (en) Suitable for the environmental protection refrigerant of cryogenic refrigeration systems
CN102241962A (en) Composition with low global warming potential (GWP) value
CN102229793A (en) Refrigerant with low GWP value
CN102676119B (en) Refrigerant with low GWP (global warming potential) and preparation method thereof
CN104277767B (en) Mixed refrigerant for replacing HCFC-22 as well as preparation method and application of mixed refrigerant
CN102250587A (en) Novel heat pump working fluid
CN104263323B (en) A kind of mix refrigerant of replacement HCFC 22 and its preparation method and application
CN108285775A (en) A kind of composition of -2- of hexafluoro containing 1,1,1,4,4,4- butylene
CN104263324B (en) A kind of mix refrigerant of replacement HCFC 22 and its preparation method and application
CN102229794A (en) Refrigerant composition with low GWP (Global Warming Potential) value
CN100500792C (en) Environmental-protective refrigerant substituting HCFC-22
CN109280541A (en) A kind of environment-friendly composition
CN101434831A (en) N2O-containing low temperature mixing working substance for cascade refrigeration system
CN100460479C (en) Environment-friendly type heat pump mixed working medium
CN103289648A (en) Environmentally-friendly energy-saving refrigerant capable of substituting R134a
CN104974717B (en) A kind of environment-friendly and energy-efficient refrigerator refrigerant

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201231

Address after: 221000 north side of Taizhou Road, Peixian Economic Development Zone, Xuzhou City, Jiangsu Province

Patentee after: XUZHHOU XINGHAO MUSICAL INSTRUMENT Co.,Ltd.

Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28

Patentee before: XI'AN JIAOTONG University