CN107474800A - A kind of cool storage material, regenerator and cold-accumulating refrigerating apparatus - Google Patents
A kind of cool storage material, regenerator and cold-accumulating refrigerating apparatus Download PDFInfo
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- CN107474800A CN107474800A CN201710764637.1A CN201710764637A CN107474800A CN 107474800 A CN107474800 A CN 107474800A CN 201710764637 A CN201710764637 A CN 201710764637A CN 107474800 A CN107474800 A CN 107474800A
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- Prior art keywords
- cold
- group
- regenerator
- storage
- storage pipeline
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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
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/066—Cooling mixtures; De-icing compositions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The invention provides a kind of cool storage material, including at least one of first group of material, second group of material, the 3rd group of material, the 4th group of material and the 5th group of material, wherein：First group of material includes n -nonane, normal octane, hexa methyl oxy disilicane；Second group of material includes p -Methylisopropylbenzene, decamethyl tetrasiloxane；The 3rd group of material includes adjacent cymol, vinyltoluene, ammonia, R1233ze (E)；The 4th group of material includes 1,1,2,2,3 pentafluoropropanes, 2H, 3H perflenapents, butyl benzene, octamethyltrisiloxane；The 5th group of material includes tetrafluoro monochlorethane, 1,1,1,3,3,3 HFC-236fas, acetone, hexafluoroethane, pentafluoroethane, above-mentioned cool storage material can be according to the difference of required warm area, may be selected different simple substance or or many kinds of substance composition cool storage material, 60~100 DEG C of temperature requirements can be met, adapt to several scenes.In addition, present invention also offers a kind of regenerator and cold-accumulating refrigerating apparatus.
Description
Technical field
The present invention relates to refrigeration and field of energy-saving technology, more particularly to a kind of cool storage material, regenerator and cold storage refrigeration
Device.
Background technology
In scientific research and medical field, for preserve virus, germ, red blood cell, leucocyte, skin, bone, bacterium, seminal fluid,
Biological products etc., often need to reach less than -60 DEG C low temperature, just can guarantee that cell is not destroyed.At this moment -60 DEG C~-100 DEG C are needed
Medical ultra low temperature freezer is realized.But at some in particular cases, the biomaterial such as preserved needs to shift or local electricity
Power shakiness etc., it is therefore necessary to the low temperature environment of long period is maintained using cold-storage device.In addition, in Conventional cryogenic storage device
In, compressor typically wants continuous service, and shutdown frequency is very low, can have a strong impact on its service life, and after using cold-storage device, can
Greatly reduce compressor start frequency.Therefore, the cold-accumulating box and cool storage material developed in -60 DEG C~-100 DEG C warm areas have important
Realistic meaning.
Patent 200410000034.7 proposes a kind of multi-layer heat preserving structure combination vacuum layer and the casing that is connected can be realized
Preferable heat insulation effect, but without cool storage function；Patent (publication number 104017548A) proposes that a kind of phase transition temperature is -30 DEG C low
Warm phase-change material for cold storage, it uses low-temperature storage of the salt eutectic phase-change cold-storage for ice cream, seafood etc.；Patent (publication number
102533224A) using sodium-chloride water solution as main material, a kind of agent for storage of coldness of phase transition temperature at -20~-25 DEG C is proposed；Patent is (public
The number of opening 105601819A) a kind of low temperature gel state phase change cold accumulating agent of proposition and preparation method thereof, including konjaku glucomannan-
Acrylic acid-acrylamide graft copolymer and phase-change material for cold storage, phase transition temperature is at -15~-18 DEG C；Patent (publication number
A kind of compound cryosar agent for storage of coldness based on ethylene glycol, reachable -34~-38 DEG C of its phase transition temperature 104726071A) are disclosed.
In summary, the report of -60~-100 DEG C of cold-accumulating box rare in open source literature and its suitable cool storage material.
The content of the invention
Have in view of that, it is necessary to the defects of existing for prior art, there is provided a kind of cold-storage for being applied to -60~-100 DEG C
Material, regenerator and cold-accumulating refrigerating apparatus.
To achieve the above object, the present invention uses following technical proposals：
A kind of cool storage material, including first group of material, second group of material, the 3rd group of material, the 4th group of material and the 5th group
At least one of material, wherein：
First group of material includes n -nonane, normal octane, hexa methyl oxy disilicane；
Second group of material includes p -Methylisopropylbenzene, decamethyl tetrasiloxane；
The 3rd group of material includes adjacent cymol, vinyltoluene, ammonia, R1233ze (E)；
The 4th group of material includes 1,1,2,2,3- pentafluoropropanes, 2H, 3H- perflenapents, butyl benzene, the silicon of prestox three
Oxygen alkane；
The 5th group of material includes tetrafluoro monochlorethane, 1,1,1,3,3,3- HFC-236fas, acetone, hexafluoroethane, five
Fluoroethane.
In addition, include the regenerator of above-mentioned cool storage material present invention also offers a kind of, including the hold-over plate being oppositely arranged
And the cold-storage pipeline being installed between the hold-over plate, the cold-storage pipeline is interior to be filled with the cool storage material.
In some preferred embodiment, the cold-storage pipeline is S-shaped is installed between the hold-over plate.
In some preferred embodiment, the both ends of the cold-storage pipeline offer fill port and seal respectively.
In some preferred embodiment, the cold-storage pipeline includes supporting part and multiple cold-storage pipeline branch roads, and each institute
Cold-storage pipeline branch road is stated to be juxtaposed on the supporting part.
In some preferred embodiment, fill port is offered on the supporting part, the end of each cold-storage pipeline branch road
Portion is provided with seal.
In some preferred embodiment, the cold-storage pipeline includes supporting part and multiple cold-storage pipeline branch roads, each described
Cold-storage pipeline branch road is juxtaposed on the supporting part, and offers fin on each cold-storage pipeline branch road.
In some preferred embodiment, fill port is offered on the supporting part, the end of each cold-storage pipeline branch road
Portion is provided with seal.
In addition, present invention also offers a kind of cold-accumulating refrigerating apparatus for including described regenerator, including cold-storage casing
With regenerator, it is characterised in that：The cold-accumulating box includes casing and the lid being covered on the casing, the housing of the casing
With insulation material is filled with the housing of the lid, the regenerator is installed in the casing and the lid.
In some preferred embodiment, the opening of the casing is provided with the first shelf, is installed on first shelf
There is the regenerator；The inwall of the lid is provided with the second shelf, and the regenerator is provided with second shelf.
The present invention the advantages of using above-mentioned technical proposal is：
Cool storage material provided by the invention, including first group of material, second group of material, the 3rd group of material, the 4th group of material
And at least one of the 5th group of material, wherein：First group of material includes n -nonane, normal octane, hexa methyl oxy disilicane；
Second group of material includes p -Methylisopropylbenzene, decamethyl tetrasiloxane；The 3rd group of material includes adjacent methyl isopropyl
Base benzene, vinyltoluene, ammonia, R1233ze (E)；The 4th group of material includes 1,1,2,2,3- pentafluoropropanes, 2H, 3H- perfluors
Pentane, butyl benzene, octamethyltrisiloxane；The 5th group of material includes tetrafluoro monochlorethane, 1,1,1,3,3,3- hexafluoros third
Alkane, acetone, hexafluoroethane, pentafluoroethane, above-mentioned cool storage material can according to the difference of required warm area, may be selected different simple substance or
Person or the cool storage material of many kinds of substance composition, -60~-100 DEG C of temperature requirements can be met, adapt to several scenes.
Regenerator provided by the invention, due to using above-mentioned cool storage material, it may be such that the bigger low boiling of solid-liquid phase change latent heat
Point material, can be achieved efficient cold-storage；Simultaneously as being designed using measuring body regenerator, Stability Analysis of Structures is reliable.
Cold-accumulating refrigerating apparatus provided by the invention, including cold-storage casing and the regenerator that is installed in cold-accumulating box body, knot
Structure is simple, easily operated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of cold-accumulating box provided in an embodiment of the present invention.
Fig. 2 is the structural representation of the first regenerator provided in an embodiment of the present invention.
Fig. 3 is the structural representation of second of regenerator provided in an embodiment of the present invention.
Fig. 4 is the structural representation of the third regenerator provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Cool storage material provided by the invention, including first group of material, second group of material, the 3rd group of material, the 4th group of material
And at least one of the 5th group of material, wherein：
First group of material includes n -nonane, normal octane, hexa methyl oxy disilicane；
Second group of material includes p -Methylisopropylbenzene, decamethyl tetrasiloxane；
The 3rd group of material includes adjacent cymol, vinyltoluene, ammonia, R1233ze (E)；
The 4th group of material includes 1,1,2,2,3- pentafluoropropanes, 2H, 3H- perflenapents, butyl benzene, the silicon of prestox three
Oxygen alkane；
The 5th group of material includes tetrafluoro monochlorethane, 1,1,1,3,3,3- HFC-236fas, acetone, hexafluoroethane, five
Fluoroethane.
It is appreciated that because first group of material three phase point is at a little higher than -60 DEG C, the three phase point of second group of material is at -60 DEG C
Between~-70 DEG C, the three phase point of the 3rd group of material between -70 DEG C~-80 DEG C, the three phase point of the 4th group of material -80 DEG C~-
Between 90 DEG C, the three phase point of the 5th group of material is between -90 DEG C~-100 DEG C, so that cool storage material provided by the invention can
Freeze suitable for -60~-100 DEG C of insulations, and different simple substance or or a variety of can be may be selected according to the difference of required warm area
The cool storage material of material composition, different temperatures demand can be met, adapt to several scenes.
It is appreciated that in practice can according to the difference of required warm area, cool storage material may be selected different simple substance or
2 kinds or many kinds of substance are mixed, under suitable ratio, mixture can realize the solid-liquid phase change temperature lower than pure matter.
Referring to Fig. 1, the regenerator 100 provided for a preferred embodiment of the present invention, including the hold-over plate 110 being oppositely arranged
And the cold-storage pipeline 120 being installed between the hold-over plate 110, the cold-storage pipeline 120 is interior to be filled with above-mentioned cool storage material.
As in a kind of preferably embodiment, the cold-storage pipeline 120 is S-shaped to be installed between the hold-over plate 110,
And the both ends of the cold-storage pipeline 120 offer fill port 130 and seal 140 respectively.
Referring to Fig. 2, the regenerator 200 provided for a preferred embodiment of the present invention, including the hold-over plate 210 being oppositely arranged
And the cold-storage pipeline 220 being installed between the hold-over plate 210, the cold-storage pipeline 220 is interior to be filled with above-mentioned cool storage material.
As in a kind of preferably embodiment, the cold-storage pipeline 220 includes supporting part 221 and multiple cold-storage pipeline branch
Road 222, and each cold-storage pipeline branch road 222 is juxtaposed on the supporting part 221.
As in a kind of preferably embodiment, fill port 230 is offered on the supporting part 221, each cold-storage
The end of pipeline branch road 222 is provided with seal 240.
Referring to Fig. 3, the regenerator 300 provided for a preferred embodiment of the present invention, including the hold-over plate 310 being oppositely arranged
And the cold-storage pipeline 320 being installed between the hold-over plate 310, the cold-storage pipeline 320 is interior to be filled with above-mentioned cool storage material.
As in a kind of preferably embodiment, the cold-storage pipeline 320 includes supporting part 321 and multiple cold-storage pipeline branch
Road 322, each cold-storage pipeline branch road 322 are juxtaposed on the supporting part 321, and each cold-storage pipeline branch road
Fin 323 is offered on 322, so as to increase heat exchange area.
As in a kind of preferably embodiment, fill port 330 is offered on the supporting part 321, each cold-storage
The end of pipeline branch road 322 is provided with seal 340.
Regenerator provided by the invention, due to using above-mentioned cool storage material, it may be such that the bigger low boiling of solid-liquid phase change latent heat
Point material, can be achieved efficient cold-storage；Simultaneously as designing (stainless steel) using measuring body regenerator, Stability Analysis of Structures is reliable.
Referring to Fig. 4, the cold-accumulating refrigerating apparatus 400 also provided for the present invention, including cold-storage casing 410 and regenerator
(not shown), the cold-accumulating box 410 include casing 411 and the lid 412 being covered on the casing 411, the casing 411
Filled with insulation material A, the insulation material A it is polyurethane foam in the housing of housing and the lid 412, the casing
411 and the lid 412 in the regenerator is installed.
As a kind of preferably in embodiment, the opening of the casing 411 is provided with the first shelf 413, and described the
The regenerator is installed on one shelf 412；The inwall of the lid 412 is provided with the second shelf 414, second shelf
The regenerator is installed on 414.
Cold-accumulating refrigerating apparatus provided by the invention, including cold-storage casing and the regenerator that is installed in cold-accumulating box body, knot
Structure is simple, easily operated.
Embodiment 1- is applied to -60 DEG C of cold-accumulating box and its cool storage material
Its structure of cold-accumulating refrigerating apparatus that the present embodiment provides is as shown in figure 4, the interior filling cool storage material of its regenerator, stores
Cold material uses first group material n -nonane, normal octane, hexa methyl oxy disilicane of the triple point between -50~-60 DEG C
Or binary, ternary or multicomponent mixture in them.
Embodiment 2- is applied to -70 DEG C of cold-accumulating box and its cool storage material
Its structure of cold-accumulating refrigerating apparatus that the present embodiment provides is as shown in figure 4, fill cool storage material, institute in its regenerator
Cool storage material uses second group material p -Methylisopropylbenzene, decamethyl tetrasiloxane of the three phase point at -60 DEG C~-70 DEG C or so
Or the mixture of the two.
Embodiment 3- is applied to -80 DEG C of cold-accumulating box and its cool storage material
Its structure of cold-accumulating refrigerating apparatus that the present embodiment provides is as shown in figure 4, fill cool storage material, institute in its regenerator
Cool storage material using three phase point -70 DEG C~-80 DEG C or so of the 3rd group of material neighbour cymol, vinyltoluene, ammonia,
R1233ze (E) or binary, ternary or multicomponent mixture in them.
Embodiment 4- is applied to -90 DEG C of cold-accumulating box and its cool storage material
Its structure of cold-accumulating refrigerating apparatus that the present embodiment provides is as shown in figure 4, fill cool storage material, institute in its regenerator
Cool storage material is using three phase point in -80 DEG C~-90 DEG C or so of the 4th group of material 1,1,2,2,3- pentafluoropropanes, 2H, 3H- perfluors
Pentane, butyl benzene, octamethyltrisiloxane or binary, ternary or multicomponent mixture in them.
Embodiment 5- is applied to -100 DEG C of cold-accumulating box and its cool storage material
Its structure of cold-accumulating refrigerating apparatus that the present embodiment provides is as shown in figure 4, fill cool storage material, institute in its regenerator
Cool storage material uses five group material of the three phase point at -90 DEG C~-100 DEG C or so：Tetrafluoro monochlorethane, 1,1,1,3,3,3- six
Fluoro-propane, acetone, hexafluoroethane, pentafluoroethane or binary, ternary or multicomponent mixture in them.
Certainly the cool storage material of the present invention can also have a variety of conversion and remodeling, it is not limited to the tool of above-mentioned embodiment
Body structure.In a word, protection scope of the present invention should include those obvious changes to those skilled in the art
Change or substitute and retrofit.
Claims (10)
1. a kind of cool storage material, it is characterised in that including first group of material, second group of material, the 3rd group of material, the 4th group of material
And at least one of the 5th group of material, wherein：
First group of material includes n -nonane, normal octane, hexa methyl oxy disilicane；
Second group of material includes p -Methylisopropylbenzene, decamethyl tetrasiloxane；
The 3rd group of material includes adjacent cymol, vinyltoluene, ammonia, R1233ze (E)；
The 4th group of material includes 1,1,2,2,3- pentafluoropropanes, 2H, 3H- perflenapents, butyl benzene, the silica of prestox three
Alkane；
The 5th group of material includes tetrafluoro monochlorethane, 1,1,1,3,3,3- HFC-236fas, acetone, hexafluoroethane, five fluorine second
Alkane.
2. a kind of regenerator of the cool storage material including described in claim 1, it is characterised in that including the hold-over plate being oppositely arranged
And the cold-storage pipeline being installed between the hold-over plate, the cold-storage pipeline is interior to be filled with the cool storage material.
3. regenerator according to claim 2, it is characterised in that the cold-storage pipeline is S-shaped to be installed on the hold-over plate
Between.
4. regenerator according to claim 3, it is characterised in that the both ends of the cold-storage pipeline offer fill port respectively
And seal.
5. regenerator according to claim 2, it is characterised in that the cold-storage pipeline includes supporting part and multiple cold accumulators
Road branch road, and each cold-storage pipeline branch road is juxtaposed on the supporting part.
6. regenerator according to claim 5, it is characterised in that fill port is offered on the supporting part, it is each described
The end of cold-storage pipeline branch road is provided with seal.
7. regenerator according to claim 2, it is characterised in that the cold-storage pipeline includes supporting part and multiple cold accumulators
Road branch road, each cold-storage pipeline branch road are juxtaposed on the supporting part, and are opened on each cold-storage pipeline branch road
Provided with fin.
8. regenerator according to claim 7, it is characterised in that fill port is offered on the supporting part, it is each described
The end of cold-storage pipeline branch road is provided with seal.
9. a kind of cold-accumulating refrigerating apparatus of the regenerator including described in claim 2, including cold-storage casing and regenerator, it is special
Sign is, the cold-accumulating box includes casing and the lid being covered on the casing, the housing of the casing and the lid
Insulation material is filled with housing, the regenerator is installed in the casing and the lid.
10. cold-accumulating refrigerating apparatus according to claim 9, it is characterised in that the opening of the casing is provided with
One shelf, the regenerator is installed on first shelf；The inwall of the lid is provided with the second shelf, and described second puts
The regenerator is installed on frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764637.1A CN107474800A (en) | 2017-08-30 | 2017-08-30 | A kind of cool storage material, regenerator and cold-accumulating refrigerating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764637.1A CN107474800A (en) | 2017-08-30 | 2017-08-30 | A kind of cool storage material, regenerator and cold-accumulating refrigerating apparatus |
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| CN107474800A true CN107474800A (en) | 2017-12-15 |
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| CN201710764637.1A Pending CN107474800A (en) | 2017-08-30 | 2017-08-30 | A kind of cool storage material, regenerator and cold-accumulating refrigerating apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282551A (en) * | 2018-11-02 | 2019-01-29 | 长虹美菱股份有限公司 | It is a kind of for promoting the refrigerator cold-storage device of lowering temperature uniform |
| CN111647391A (en) * | 2020-07-15 | 2020-09-11 | 浙江诺亚氟化工有限公司 | Multi-effect organic cooling liquid composition and application thereof |
| CN111826126A (en) * | 2019-04-23 | 2020-10-27 | 中国科学院大连化学物理研究所 | Phase change material with low temperature of-77 to-88 ℃ for cold accumulation and preparation method thereof |
| CN113175774A (en) * | 2020-06-05 | 2021-07-27 | 中国科学院青海盐湖研究所 | Refrigerator, refrigerator car and refrigerating method thereof |
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| US20040031948A1 (en) * | 2000-11-15 | 2004-02-19 | Solvay Fluor Und Derivate Gmbh | Method of transferring heat using a working fluid containing 1,1,1,3,3-pentafluorobutane as refrigerant or heat transfer medium |
| CN205060431U (en) * | 2015-10-27 | 2016-03-02 | 张革伕 | Little container of commodity circulation |
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| CN106568264A (en) * | 2016-11-04 | 2017-04-19 | 中国科学院理化技术研究所 | Quick cooling box with cold accumulation function |
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| US20040031948A1 (en) * | 2000-11-15 | 2004-02-19 | Solvay Fluor Und Derivate Gmbh | Method of transferring heat using a working fluid containing 1,1,1,3,3-pentafluorobutane as refrigerant or heat transfer medium |
| CN205060431U (en) * | 2015-10-27 | 2016-03-02 | 张革伕 | Little container of commodity circulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282551A (en) * | 2018-11-02 | 2019-01-29 | 长虹美菱股份有限公司 | It is a kind of for promoting the refrigerator cold-storage device of lowering temperature uniform |
| CN111826126A (en) * | 2019-04-23 | 2020-10-27 | 中国科学院大连化学物理研究所 | Phase change material with low temperature of-77 to-88 ℃ for cold accumulation and preparation method thereof |
| CN111826126B (en) * | 2019-04-23 | 2022-03-08 | 中国科学院大连化学物理研究所 | Phase change material for low-temperature cold accumulation at-77 to-88 ℃ and preparation method thereof |
| CN113175774A (en) * | 2020-06-05 | 2021-07-27 | 中国科学院青海盐湖研究所 | Refrigerator, refrigerator car and refrigerating method thereof |
| CN113175774B (en) * | 2020-06-05 | 2023-03-24 | 中国科学院青海盐湖研究所 | Refrigerator, refrigerator car and refrigerating method thereof |
| CN111647391A (en) * | 2020-07-15 | 2020-09-11 | 浙江诺亚氟化工有限公司 | Multi-effect organic cooling liquid composition and application thereof |
| CN111647391B (en) * | 2020-07-15 | 2022-01-21 | 浙江诺亚氟化工有限公司 | Multi-effect organic cooling liquid composition and application thereof |
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Application publication date: 20171215 |