CN110028937A - A kind of non-combustible cool storage medium of mixing - Google Patents
A kind of non-combustible cool storage medium of mixing Download PDFInfo
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- CN110028937A CN110028937A CN201910344763.0A CN201910344763A CN110028937A CN 110028937 A CN110028937 A CN 110028937A CN 201910344763 A CN201910344763 A CN 201910344763A CN 110028937 A CN110028937 A CN 110028937A
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- 238000002156 mixing Methods 0.000 title claims abstract description 49
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 32
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 claims abstract description 30
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical class CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims abstract description 15
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 claims abstract description 11
- -1 difluoro carbenes Chemical class 0.000 claims abstract description 10
- QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229960004065 perflutren Drugs 0.000 claims abstract description 7
- XZJBGQPXSSPRBY-UHFFFAOYSA-N [C].B(F)(F)F Chemical compound [C].B(F)(F)F XZJBGQPXSSPRBY-UHFFFAOYSA-N 0.000 claims abstract description 5
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims abstract description 5
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 claims description 32
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 3
- 230000005496 eutectics Effects 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 abstract description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 abstract 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 abstract 1
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 36
- 239000007787 solid Substances 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 11
- 238000004146 energy storage Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 125000001340 2-chloroethyl group Chemical class [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C09K5/06—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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The non-combustible cool storage medium of mixing provided by the invention, including borontrifluoride carbon, difluoro carbenes, trifluoroiodomethane, difluorochloromethane, 2-1,1,1, at least two in 2 tetrafluoro monochlorethanes, a fluoromethane, perfluoropropane and carbon tetrafluoride, polynary non-combustible cool storage medium provided by the invention, by solving two or more non-combustible working medium mixing, existing liquefied air energy-accumulating medium freezing point is higher, has the defects of flammable.In addition, the non-combustible cool storage medium of mixing provided by the invention, it can also be one such or several according to the difference for using temperature, including dichlorodifluoromethane, trifluorochloromethane, F-22, further reduce the eutectic temperature point of energy-accumulating medium.
Description
Technical field
The present invention relates to the cool storage medium technical field in air energy storage systems, in particular to a kind of non-combustible cold-storage of mixing
Medium.
Background technique
Under the background that energy supply and demand contradiction becomes increasingly conspicuous, people are gradually increased to green regenerative energy sources such as luminous energy, wind
The development and utilization in the fields such as energy and water energy.However renewable energy has the shortcomings that randomness and intermittence, when access, can be right
Power grid generates impact, or even can cause extensive serious accident.Energy storage technology be realize renewable energy access on a large scale, electric power
The key technology of system peak load shifting and distributing-supplying-energy system is current one for realizing renewable energy safety and stability
Solution.
Liquefied air energy storage uses liquid air as energy-accumulating medium, mentions significantly as a kind of large capacity energy storage technology
The high density of energy storage, has that capacity is big, high conversion efficiency, does not depend on geographical conditions, the method for operation are flexible, environmental pollution is small etc.
Advantage, the potentiality with large-scale promotion application.When energy storage, electric energy is by air compression, cooling and liquefies, while storing the process
The thermal energy of middle release heats air when for releasing energy；When releasing energy, liquid air is pressurized, gasifies, and pushes expansion power generation unit hair
Electricity, while the cold energy of the process is stored using cool storage medium inside cold-storage device, it is used for cooling air when energy storage.
The cool storage medium of liquefied air energy storage needs to meet low-freezing, higher boiling, and lower (the usually control of operating pressure
The 3MPa or less) the features such as, the liquid circulation working medium that commonly can be used for liquefied air energy storage includes CH4、C2H4、C2H6、C3H6、
C3F8、C4H8、C4H10、C5H10、C5H12、C6H12Equal low-carbon alkanes, alkene, the rare gas such as Ar and borontrifluoride carbon, bifluoride
The hydrogen fluorohydrocarbon class substance such as carbon, trifluoroiodomethane, difluorochloromethane, perfluoropropane, carbon tetrafluoride.Low-carbon alkanes substance has solidifying
The characteristics of solid point is low, good fluidity, but it has combustibility, when large-scale application, which has, fires risk；The rare gas such as Ar
With low-freezing, and non-combustible, but its operating pressure is excessively high, and there are security risks when use；Non-flammable hydrogen fluorohydrocarbon class
Substance has incombustibility, and moderate pressure, but its freezing point is excessively high.Therefore, hydrogen fluorohydrocarbon class object is reduced using mixing eutectic
The freezing point of matter, the cool storage medium of obtained binary or polynary non-combustible hydrogen fluorohydrocarbon class substance as liquefied air energy storage, becomes
A kind of promising technology path of tool.
Summary of the invention
Have in view of that, it is necessary to which in view of the defects existing in the prior art, providing a kind of mixing with incombustibility can not
Fire cool storage medium.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of non-combustible cool storage medium of mixing provided by the invention, comprising: borontrifluoride carbon, difluoro carbenes, trifluoroiodomethane,
Difluorochloromethane, 2-1, at least two in 1,1,2 tetrafluoro monochlorethane, a fluoromethane, perfluoropropane or carbon tetrafluoride.
A kind of non-combustible cool storage medium of mixing provided by the invention, it is any according to mass fraction meter, including in following components
Two or more combination: 1-100 parts of fluoroform, 1-59 parts of difluoro carbenes, 1-100 parts of trifluoroiodomethane,
1-100 parts of difluorochloromethane, 1-100 parts of 2-1,1,1,2 tetrafluoro monochlorethane, 1-69 parts of a fluoromethane, 1-98 parts
The operating temperature of perfluoropropane, the non-combustible cool storage medium of mixing is not less than 120K.
A kind of non-combustible cool storage medium of mixing provided by the invention, it is any according to mass fraction meter, including in following components
Two or more combination: 1-73 parts of fluoroform, 1-39 parts of difluoro carbenes, 1-53 parts of trifluoroiodomethane, 1-
79 parts of difluorochloromethane, 1-100 parts of 2-1,1,1,2 tetrafluoro monochlorethane, 1-46 parts of a fluoromethane, 1-94 parts of perfluor
The operating temperature of propane, the non-combustible cool storage medium of mixing is not less than 110K.
A kind of non-combustible cool storage medium of mixing provided by the invention, if the operating temperature of the non-combustible cool storage medium of mixing
Not less than 100K, according to mass fraction meter, including in combination of any two or more in following components: 1-47 parts of trifluoro
Methane, 1-24 parts of difluoro carbenes, 1-25 parts of trifluoroiodomethane, 1-50 parts of difluorochloromethane, 1-100 parts of 2-1,1,1,
2 tetrafluoro monochlorethanes, 1-28 parts of a fluoromethane, 1-89 parts of perfluoropropane, the work of the non-combustible cool storage medium of mixing
Temperature is not less than 100K.
The present invention by adopting the above technical scheme the advantages of be:
The non-combustible cool storage medium of mixing provided by the invention, including borontrifluoride carbon, difluoro carbenes, trifluoroiodomethane, difluoro
Chloromethanes, 2-1, at least two in 1,1,2 tetrafluoro monochlorethane, a fluoromethane, perfluoropropane and carbon tetrafluoride, the present invention mentions
The polynary non-combustible cool storage medium supplied solves existing liquefaction by mixing two or more non-combustible working medium
Air energy-accumulating medium freezing point is higher, has the defects of flammable.
In addition, the non-combustible cool storage medium of mixing provided by the invention, it can also be according to the difference for using temperature, including difluoro
Methylene chloride, trifluorochloromethane, F-22 are one such or several, further reduce the eutectic temperature of energy-accumulating medium
Degree point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the two end number mixing medium being made of difluoromethane (R32) and fluoroform (R23) that an embodiment provides
Liquid-solid equilibria phasor.
Fig. 2 be another embodiment provide by difluoromethane (R32) and 2-1,1,1,2 tetrafluoro monochlorethane (R124) group
At two end number mixing medium liquid-solid equilibria phasor.
Fig. 3 is the two end number mixing being made of difluoromethane (R32) and difluorochloromethane (R22) that another embodiment provides
The liquid-solid equilibria phasor of medium.
Fig. 4 be another embodiment provide by difluoromethane (R32), chloroform (R23) and difluorochloromethane (R22)
The liquid-solid equilibria phasor of the ternary blending agent of composition.
Fig. 5 be another embodiment provide by difluoromethane (R32), monochloro methane (R41) and 2-1,1,1,2 tetrafluoro one
The liquid-solid equilibria phasor of the ternary blending agent of chloroethanes (R124) composition.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig. 1, the binary being made of for one kind provided by the invention difluoromethane (R32) and fluoroform (R23)
The liquid-solid equilibria phasor of blending agent.When the molar fraction of fluoroform is 0.6547, this two end number mixing medium be can achieve
Minimum eutectic temperature 107.1634K.
Embodiment two
Referring to Fig. 2, being one kind provided by the invention by difluoromethane (R32) and 2-1,1,1,2 tetrafluoro monochlorethane
(R124) the liquid-solid equilibria phasor of the two end number mixing medium formed.When the molar fraction of difluoromethane is 0.03666, this binary
Blending agent can achieve minimum eutectic temperature 73.3996K.
Embodiment three
Referring to Fig. 3, be made of for one kind provided by the invention difluoromethane (R32) and difluorochloromethane (R22) two
The liquid-solid equilibria phasor of first blending agent.When the molar fraction of difluoromethane is 0.3266, this two end number mixing medium can reach
To minimum eutectic temperature 105.9541K.
Example IV
Referring to Fig. 4, being one kind provided by the invention by fluoroform (R23), difluoromethane (R32) and difluorochloromethane
(R22) the liquid-solid equilibria phasor of the ternary blending agent formed.If it is desired to which this ternary blending agent will not in 120K or more warm area
There is solid separation, the fluoroform, the difluoromethane and the difluorochloromethane obtain molar percentage and need while meeting:
Fluoroform 42%~100%
Difluoromethane 0~58%
Difluorochloromethane 42%~100%
If it is desired to which this ternary blending agent does not have solid separation, the fluoroform, described two in 110K or more warm area
Fluoromethane and the difluorochloromethane obtain molar percentage and need while meeting:
Fluoroform 20%~74%
Difluoromethane 20%~39%
Difluorochloromethane 26%~80%
Table 1 is please referred to, it is minimum for a kind of proportion embodiment for mixing cool storage medium by the ternary formed provided by the invention
100.26K can be arrived and just have solid separation.
1 ternary of table mixes cool storage medium proportion
| R23 | R32 | R22 | |
| Molar fraction | 0.5 | 0.25 | 0.25 |
Embodiment five
Referring to Fig. 5, to be provided by the invention a kind of by difluoromethane (R32), monochloro methane (R41) and 2-1,1,1,2
The liquid-solid equilibria phasor of the ternary blending agent of tetrafluoro monochlorethane (R124) composition.If it is desired to which this ternary blending agent is in 120K
The above warm area does not have solid separation, and the fluoroform, the difluoromethane and the difluorochloromethane obtain molar percentage
It needs to meet simultaneously:
Difluoromethane 0~42%
One fluoromethane 0~69%
2-1,1,1,2 tetrafluoro monochlorethane 31%~100%
If it is desired to which this ternary blending agent does not have solid separation, the fluoroform, described two in 100K or more warm area
Fluoromethane and the difluorochloromethane obtain molar percentage and need while meeting:
Difluoromethane 0~24%
One fluoromethane 0~29%
2-1,1,1,2 tetrafluoro monochlorethane 71%~100%
Table 2 is please referred to, it is minimum for a kind of proportion embodiment for mixing cool storage medium by the ternary formed provided by the invention
106.18K can be arrived and just have solid separation.
2 quaternary of table mixes cool storage medium proportion
| R32 | R41 | R124 | |
| Molar fraction | 0.33 | 0.33 | 0.34 |
Embodiment six
Table 3 is please referred to, it is minimum for a kind of proportion embodiment for mixing cool storage medium by the quaternary formed provided by the invention
100.5K can be arrived and just have solid separation.
3 quaternary of table mixes cool storage medium proportion
| R23 | R32 | R22 | R124 | |
| Molar fraction | 0.25 | 0.25 | 0.25 | 0.25 |
Embodiment seven
Table 4 is please referred to, it is minimum for a kind of proportion embodiment by the five yuan of mixing cool storage mediums formed provided by the invention
94.4K can be arrived and just have solid separation.
4 five yuan of mixing cool storage medium proportions of table
| R23 | R32 | R41 | R22 | R124 | |
| Molar fraction | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Certainly the non-combustible cool storage medium of mixing of the invention can also have a variety of transformation and remodeling, it is not limited to above-mentioned reality
Apply the specific structure of mode.In short, protection scope of the present invention should include that those show to those skilled in the art
And the transformation or substitution that are clear to and remodeling.
Claims (4)
1. a kind of non-combustible cool storage medium of mixing, which is characterized in that including borontrifluoride carbon, difluoro carbenes, trifluoroiodomethane, difluoro
Chloromethanes, 2-1, at least two in 1,1,2 tetrafluoro monochlorethane, a fluoromethane, perfluoropropane and carbon tetrafluoride.
2. a kind of non-combustible cool storage medium of mixing, which is characterized in that according to mass fraction meter, including any two kinds in following components
Or two or more combination: 1-100 parts of fluoroform, 1-59 parts of difluoro carbenes, 1-100 parts of trifluoroiodomethane, 1-100
The difluorochloromethane, 1-100 parts of 2-1 of part, 1,1,2 tetrafluoro monochlorethane, 1-69 parts of a fluoromethane, 1-98 parts of perfluor third
The operating temperature of alkane, the non-combustible cool storage medium of mixing is not less than 120K.
3. a kind of non-combustible cool storage medium of mixing, which is characterized in that according to mass fraction meter, including any two kinds in following components
Or two or more combination: 1-73 parts of fluoroform, 1-39 parts of difluoro carbenes, 1-53 parts of trifluoroiodomethane, 1-79 parts
Difluorochloromethane, 1-100 parts of 2-1,1,1,2 tetrafluoro monochlorethane, 1-46 parts of a fluoromethane, 1-94 parts of perfluor third
The operating temperature of alkane, the non-combustible cool storage medium of mixing is not less than 110K.
4. a kind of non-combustible cool storage medium of mixing, which is characterized in that according to mass fraction meter, including any two kinds in following components
Or two or more combination: 1-47 parts of fluoroform, 1-24 parts of difluoro carbenes, 1-25 parts of trifluoroiodomethane, 1-50 parts
Difluorochloromethane, 1-100 parts of 2-1,1,1,2 tetrafluoro monochlorethane, 1-28 parts of a fluoromethane, 1-89 parts of perfluor third
The operating temperature of alkane, the non-combustible cool storage medium of mixing is not less than 100K.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344763.0A CN110028937B (en) | 2019-04-26 | 2019-04-26 | Mixed non-combustible cold storage medium |
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| CN201910344763.0A CN110028937B (en) | 2019-04-26 | 2019-04-26 | Mixed non-combustible cold storage medium |
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| CN110028937B CN110028937B (en) | 2021-09-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011311A (en) * | 2020-08-13 | 2020-12-01 | 珠海格力电器股份有限公司 | Non-azeotropic environment-friendly refrigerant, preparation method thereof and dehumidification system |
| CN115558469A (en) * | 2022-10-10 | 2023-01-03 | 青岛中科未来健康研究院有限公司 | Mixed phase change cold accumulation medium |
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| CN1236801A (en) * | 1998-05-22 | 1999-12-01 | 中山威力集团公司 | Safety-type refrigerant of ozone |
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| CN115558469A (en) * | 2022-10-10 | 2023-01-03 | 青岛中科未来健康研究院有限公司 | Mixed phase change cold accumulation medium |
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| CN110028937B (en) | 2021-09-17 |
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