CN110499144A - A kind of preparation method of energy-efficient air-conditioning refrigerant - Google Patents
A kind of preparation method of energy-efficient air-conditioning refrigerant Download PDFInfo
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- CN110499144A CN110499144A CN201810482980.1A CN201810482980A CN110499144A CN 110499144 A CN110499144 A CN 110499144A CN 201810482980 A CN201810482980 A CN 201810482980A CN 110499144 A CN110499144 A CN 110499144A
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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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- 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
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of preparation methods of energy-efficient air-conditioning refrigerant, include the following steps, prepare the raw material of following parts by weight: 30 parts -50 parts of carbon dioxide (R744)；20 parts -30 parts of R404A；10 parts -20 parts of methane (R50)；10 parts -15 parts of R-134a；2 parts -5 parts of ethylene (R13).Refrigerant raw material of the present invention is extensive, and low in cost, being safe from harm property will not cause damages to ozone and human body, is suitble to large-scale promotion.
Description
Technical field
The present invention relates to refrigerant technology field more particularly to a kind of preparation methods of energy-efficient air-conditioning refrigerant.
Background technique
Refrigerant, also known as refrigeration working medium are commonly called as snow kind in some areas in south, are a kind of circulations continuous in refrigeration systems
And the operation material of refrigeration is realized by the state change of itself.Refrigerant absorbs the heat of cooled medium in evaporator
Amount and gasify, within the condenser between heat transfer condensed to surrounding air or water.
Existing refrigerant main component mostly uses the hydrocarbon compound containing fluorine element, however fluorine-containing hydrocarbon compound exists
The ozone in atmosphere can be damaged when leakage, moreover, many refrigeration machines are colorless and odorless, in case of leakage user
Be difficult quickly to learn, meanwhile, existing refrigerant is relatively difficult in the preparation, and cost of manufacture is high, be unfavorable for promoting, thus I
Propose a kind of preparation method of energy-efficient air-conditioning refrigerant.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of energy-efficient air-conditioning system proposed
The preparation method of cryogen, this mix refrigerant not only has good refrigeration effect, but also its raw material is extensive, cheap, and
And user can also be facilitated to know the leakage situation of refrigerant.
To achieve the goals above, present invention employs following technical solutions.
A kind of preparation method of energy-efficient air-conditioning refrigerant, includes the following steps,
S1 prepares the raw material of following parts by weight: 30 parts -50 parts of carbon dioxide (R744)；20 parts -30 parts of R404A；10 parts-
20 parts of methane (R50)；10 parts -15 parts of R-134a；2 parts -5 parts of ethylene (R13).
S2 in the steel cylinder after R404A to be first filled with to clean dry, is re-filled with carbon dioxide (R744), to be charged into requirement
Half after stop filling, be then re-filled with methane (R50), it be filled up completely on demand, then refills R-134a, together
It is filled up completely by sample on demand, the few ethylene of last loading (R13), finally will be remaining after populated ethylene (R13)
Carbon dioxide (R744) continues to fill up.
Preferably, in the S1, prepare the raw material of following parts by weight: 45 parts of carbon dioxide, 25 parts of R404A, 15 parts
Methane, 13 parts of R-134a, 2 parts of ethylene.
Preferably, in the S1, prepare the raw material of following parts by weight: 30 parts of carbon dioxide, 20 parts of R404A, 10 parts
Methane, 10 parts of R-134a, 5 parts of ethylene.
Preferably, in the S1, prepare the raw material of following parts by weight: 50 parts of carbon dioxide, 30 parts of R404A, 20 parts
Methane, 15 parts of R-134a, 2 parts of ethylene.
Preferably, described to need to topple over steel cylinder after filling raw material, i.e., bottleneck downward, bottom of bottle upward,
Again steel cylinder rock is uniformly mixed each raw material.
Preferably, described before filling raw material, it needs to carry out cooling treatment to steel cylinder, and be maintained at room temperature (25 DEG C).
Preferably, the inner wall of the steel cylinder is cleaned by dry ice.
The mix refrigerant of each raw material composition proposed by the present invention has several advantages that
The main component of this mix refrigerant is from a wealth of sources, cheap, and the production cost of enterprise is greatly reduced, is mentioned
The market competitiveness of high product.
Micro ethylene is also mixed in mix refrigerant proposed by the present invention, ethylene has the distinctive stink of hydro carbons, because
To can be convenient user and quickly learn refrigerant leakage situation, avoid after refrigerant leakage occurs for entire refrigeration equipment
Bigger harm.
In conclusion the refrigerant raw material of invention is extensive, low in cost, being safe from harm property is suitble to large-scale promotion.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of preparation method of energy-efficient air-conditioning refrigerant proposed by the present invention, includes the following steps.
S1, prepare the raw material of following parts by weight: 45 parts of carbon dioxide, 25 parts of R404A, 15 parts of methane, 13 parts
R-134a, 2 parts of ethylene.
S2 in the steel cylinder after R404A to be first filled with to clean dry, is re-filled with carbon dioxide (R744), to be charged into requirement
Half after stop filling, be then re-filled with methane (R50), it be filled up completely on demand, then refills R-134a, together
It is filled up completely by sample on demand, the few ethylene of last loading (R13), finally will be remaining after populated ethylene (R13)
Carbon dioxide (R744) continues to fill up.
Embodiment two
A kind of preparation method of energy-efficient air-conditioning refrigerant proposed by the present invention, comprising the following steps:
S1 prepares the raw material of following parts by weight: 30 parts of carbon dioxide, 20 parts of R404A, 10 parts of methane, 10 parts of R-
134a, 5 parts of ethylene.
S2 in the steel cylinder after R404A to be first filled with to clean dry, is re-filled with carbon dioxide (R744), to be charged into requirement
Half after stop filling, be then re-filled with methane (R50), it be filled up completely on demand, then refills R-134a, together
It is filled up completely by sample on demand, the few ethylene of last loading (R13), finally will be remaining after populated ethylene (R13)
Carbon dioxide (R744) continues to fill up.
Embodiment three
A kind of preparation method of energy-efficient air-conditioning refrigerant proposed by the present invention, includes the following steps.
S1, prepare the raw material of following parts by weight: 50 parts of carbon dioxide, 30 parts of R404A, 20 parts of methane, 15 parts
R-134a, 2 parts of ethylene.
S2 in the steel cylinder after R404A to be first filled with to clean dry, is re-filled with carbon dioxide (R744), to be charged into requirement
Half after stop filling, be then re-filled with methane (R50), it be filled up completely on demand, then refills R-134a, together
It is filled up completely by sample on demand, the few ethylene of last loading (R13), finally will be remaining after populated ethylene (R13)
Carbon dioxide (R744) continues to fill up.
The refrigerant thermodynamic property of this five kinds of ingredients meets the thermodynamic (al) requirement of heat-transfer fluid, and its main component
Conducive to carbon dioxide, methane etc., these raw material sources are extensive, are easy to get, so that entire hybrid refrigerant is low in cost,
Suitable product is largely promoted, and the chemical property of various raw materials is stablized, and chemistry point does not occur with water, steel and lubricating oil
Analysis, and there is no toxicity, it will not cause damages to environment and user.
The physicochemical property of each ingredient is listed in following table:
| Molecular formula | Molecular weight/DEG C | Boiling point/DEG C | Freezing point/DEG C | Critical-temperature/DEG C | |
| Carbon dioxide | CO2 | 44.0095 | -56.55 | -78.45 | 31.06 |
| Methane | CH4 | 16.04276 | -161.5 | -182.5 | -82.6 |
| Ethylene | C2H4 | 28.06 | -103.9 | -169.4 | 9.2 |
| R404A | CH2FCF3 | 97.6 | -46.1 | - | 72.4 |
| R-134a | CH2FCF3 | 102.03 | -26.26 | -96.6 | 101.1 |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of preparation method of energy-efficient air-conditioning refrigerant, which is characterized in that include the following steps,
S1 prepares the raw material of following parts by weight: 30 parts -50 parts of carbon dioxide (R744)；20 parts -30 parts of R404A；10 parts-
20 parts of methane (R50)；10 parts -15 parts of R-134a；2 parts -5 parts of ethylene (R13)；
S2 in the steel cylinder after R404A to be first filled with to clean dry, is re-filled with carbon dioxide (R744), to be charged into the one of requirement
Stop filling after half, be then re-filled with methane (R50), it is filled up completely on demand, then refills R-134a, equally will
It is filled up completely on demand, the few ethylene of last loading (R13), after populated ethylene (R13), finally by remaining dioxy
Change carbon (R744) to continue to fill up.
2. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that the S1
In, prepare the raw material of following parts by weight: 45 parts of carbon dioxide, 25 parts of R404A, 15 parts of methane, 13 parts of R-134a, 2
The ethylene of part.
3. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that the S1
In, prepare the raw material of following parts by weight: 30 parts of carbon dioxide, 20 parts of R404A, 10 parts of methane, 10 parts of R-134a, 5
The ethylene of part.
4. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that the S1
In, prepare the raw material of following parts by weight: 50 parts of carbon dioxide, 30 parts of R404A, 20 parts of methane, 15 parts of R-134a, 2
The ethylene of part.
5. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that described to incite somebody to action
Raw material needs to topple over steel cylinder after filling, i.e., downward, bottom of bottle upward, then steel cylinder rock bottleneck makes each raw material
It is uniformly mixed.
6. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that described to fill out
It fills before raw material, needs to carry out cooling treatment to steel cylinder, and be maintained at room temperature (25 DEG C).
7. a kind of preparation method of energy-efficient air-conditioning refrigerant according to claim 1, which is characterized in that the steel cylinder
Inner wall cleaned by dry ice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482980.1A CN110499144A (en) | 2018-05-18 | 2018-05-18 | A kind of preparation method of energy-efficient air-conditioning refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482980.1A CN110499144A (en) | 2018-05-18 | 2018-05-18 | A kind of preparation method of energy-efficient air-conditioning refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110499144A true CN110499144A (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810482980.1A Pending CN110499144A (en) | 2018-05-18 | 2018-05-18 | A kind of preparation method of energy-efficient air-conditioning refrigerant |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762686A (en) * | 2009-12-18 | 2012-10-31 | 阿克马法国公司 | Heat-transfer fluids having reduced flammability |
-
2018
- 2018-05-18 CN CN201810482980.1A patent/CN110499144A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762686A (en) * | 2009-12-18 | 2012-10-31 | 阿克马法国公司 | Heat-transfer fluids having reduced flammability |
Non-Patent Citations (1)
| Title |
|---|
| 吴业正等: "《十二五普通高等教育本科国家级规划教材 制冷原理及设备 第4版》", 31 December 2015, 西安交通大学出版社 * |
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Application publication date: 20191126 |