CN109971434A - A kind of low-temperature mixed refrigerant - Google Patents
A kind of low-temperature mixed refrigerant Download PDFInfo
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- CN109971434A CN109971434A CN201910411225.9A CN201910411225A CN109971434A CN 109971434 A CN109971434 A CN 109971434A CN 201910411225 A CN201910411225 A CN 201910411225A CN 109971434 A CN109971434 A CN 109971434A
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- temperature
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- refrigerant
- mixed refrigerant
- ethane
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/122—Halogenated hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/40—Replacement mixtures
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- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of low-temperature mixed refrigerants, including low-temperature mixed refrigerant, it is characterized by: the ingredient of the low-temperature mixed refrigerant is by propane (skeleton symbol CH3CH2CH3, chemical formula is C3H8), ethane (structural formula CH3CH3, molecular formula C2H6), propylene (molecular formula C3H6), perfluoroethane (molecular formula C2F6, that is R116), methane (chemical formula CH4) and 1, 1, 1, 2-- tetrafluoroethane (molecular formula CH2FCF3) composition, wherein the mass percent of each component is as follows: CH3CH2CH3:51~63%, CH3CH3:14~17%, propylene: 14~17%, C2F6:3~5%, CH4:3~5%, CH2FCF3:3~5 %.In the present invention, existing refrigerant can be substituted, and there is excellent physical property and thermodynamic cycle performance, mixed refrigerant boiling point is more excellent, can get lower evaporating temperature.
Description
Technical field
The invention belongs to refrigerant technology field, specially a kind of low-temperature mixed refrigerant.
Background technique
The refrigerant of early stage, almost majority is flammable or toxic, or both have both at the same time, and some there are also very strong
Corrosion and unstability or some hypertonia, accident frequent occurrence, but with the development of the times, refrigerant is slowly
Walk close to we live in, refrigerator as life in indispensable household electrical appliances first, user considered be refrigerator can for a long time it is right
Food save, the refrigerator of brand is going to develop at faster speed under the expulsion in market in lattice on the market, but refrigerator no matter
How developing can all consider: the preservation for how making food more permanent, it is desired nonetheless to a kind of quickly to lock food water
Refrigerant.
In document, primarily directed to the high cooling efficiency of refrigerant, the low amount of pouring into, ultra low temperature quickly locks food water
Point, it is more permanent to save food.
Summary of the invention
It is an object of the invention to: in order to solve the problems, such as it is above-mentioned propose, a kind of low-temperature mixed refrigerant is provided.
The technical solution adopted by the invention is as follows:
A kind of low-temperature mixed refrigerant, including low-temperature mixed refrigerant, it is characterised in that: the ingredient of the low-temperature mixed refrigerant
By propane (skeleton symbol CH3CH2CH3, chemical formula C3H8), ethane (structural formula CH3CH3, molecular formula C2H6), propylene
(molecular formula C3H6), perfluoroethane (molecular formula C2F6, i.e. R116), methane (chemical formula CH4) and 1,1,1,2-- tetrafluoro
Ethane (molecular formula CH2FCF3) composition, wherein the mass percent of each component is as follows: CH3CH2CH3:51~63%,
CH3CH3:14~17%, C3H6:14~17%, C2F6:3~5%, CH4:3~5%, CH2FCF3:3~5%；
S1, heat exchange, circulating liquid energy fast cooling, thus the temperature dropped required for reaching are carried out with evaporator (heat exchanger)
Value carries out default, while regulating and controlling expansion valve, make rapid drop in temperature, controls according to the requirement of user, use environment
The evaporating temperature of decline is in -23.2 DEG C, and the temperature in condenser is 54 .4 DEG C, and is measured out according to computing system
Cold temperature is 32.2 DEG C, 32.2 DEG C of suction temperature；
S2, it is tested on freezer compressor performance test stand, is in -23.2 DEG C according to evaporating temperature described above,
And the temperature in condenser is 54 .4 DEG C, supercooling temperature is 32.2 DEG C, and 32.2 DEG C of suction temperature are tested；
S3, the ratio that will comply with formula 100% are debugged, and take out 58% propane, 15% ethane, 15% according to 100% ratio
Propylene, 4% perfluoroethane, 4% methane and 4% 1,1,1,2-- tetrafluoroethane, physical mixed is carried out in specific container
Product B is formed, B is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), (refrigerant exists at normal temperature
Liquid in pressure vessel) survey result refrigeration boiling point be -48 DEG C and freeze depth be -50 DEG C；
S4, according to 100% ratio take out 63% propane, 14% ethane, 14% propylene, 3% perfluoroethane, 3% first
Alkane and 3% 1,1,1,2-- tetrafluoroethane, carry out physical mixed formed product B, added using B as refrigerant by refrigerator low pressure valve
Added at liquid mouth (self-sealing head), measure result refrigeration boiling point be -49.5 DEG C and freeze depth be -51.5 DEG C；
S5, according to 100% ratio take out 51% propane, 17% ethane, 17% propylene, 5% perfluoroethane, 5% first
Alkane and 5% 1,1,1,2-- tetrafluoroethane carry out physical mixed formed product C, using B as refrigerant by refrigerator low pressure valve liquid feeding
Added at mouth (self-sealing head), measure result refrigeration boiling point be -50 DEG C and freeze depth be -53 DEG C；
S6, above-mentioned all operating processes are manipulated according to 220v, while needing to be operated under the same equipment, are limited
Determine confined space, structure size is same, and it also requires guaranteeing to be manipulated under same power.
Wherein, 58% propane in the low-temperature mixed refrigerant, 15% ethane, 15% propylene, 4% hexafluoro second
Alkane, 4% methane and 4% 1,1,1,2-- tetrafluoroethane.
Wherein, 63% propane, 14% ethane, 14% propylene, 3% hexafluoro second in the low-temperature mixed refrigerant
Alkane, 3% methane and 3% 1,1,1,2-- tetrafluoroethane.
Wherein, 51% propane, 17% ethane, 17% propylene, 5% hexafluoro second in the low-temperature mixed refrigerant
Alkane, 5% methane and 5% 1,1,1,2-- tetrafluoroethane.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, existing refrigerant can be substituted, and there is excellent physical property and thermodynamic cycle performance, it is mixed
Refrigerant boiling point is more excellent, can get lower evaporating temperature.
Specific embodiment
A kind of low-temperature mixed refrigerant, including low-temperature mixed refrigerant, it is characterised in that: the low-temperature mixed refrigerant
Ingredient by propane (skeleton symbol CH3CH2CH3, chemical formula C3H8), ethane (structural formula CH3CH3, molecular formula C2H6),
Propylene (molecular formula C3H6), perfluoroethane (molecular formula C2F6, i.e. R116), methane (chemical formula CH4) and 1,1,1,2--
Tetrafluoroethane (molecular formula CH2FCF3) composition, wherein the mass percent of each component is as follows: CH3CH2CH3:51~63%,
CH3CH3:14~17%, C3H6:14~17%, C2F6:3~5%, CH4:3~5%, CH2FCF3:3~5%；
S1, heat exchange, circulating liquid energy fast cooling, thus the temperature dropped required for reaching are carried out with evaporator (heat exchanger)
Value carries out default, while regulating and controlling expansion valve, make rapid drop in temperature, controls according to the requirement of user, use environment
The evaporating temperature of decline is in -23.2 DEG C, and the temperature in condenser is 54 .4 DEG C, and is measured out according to computing system
Cold temperature is 32.2 DEG C, 32.2 DEG C of suction temperature；
S2, it is tested on freezer compressor performance test stand, is in -23.2 DEG C according to evaporating temperature described above,
And the temperature in condenser is 54 .4 DEG C, supercooling temperature is 32.2 DEG C, and 32.2 DEG C of suction temperature are tested；
S3, the ratio that will comply with formula 100% are debugged, and take out 58% propane, 15% ethane, 15% according to 100% ratio
Propylene, 4% perfluoroethane, 4% methane and 4% 1,1,1,2-- tetrafluoroethane, physical mixed is carried out in specific container
Product B is formed, B is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), (refrigerant exists at normal temperature
Liquid in pressure vessel) survey result refrigeration boiling point be -48 DEG C and freeze depth be -50 DEG C；
S4, according to 100% ratio take out 63% propane, 14% ethane, 14% propylene, 3% perfluoroethane, 3% first
Alkane and 3% 1,1,1,2-- tetrafluoroethane, carry out physical mixed formed product B, added using B as refrigerant by refrigerator low pressure valve
Added at liquid mouth (self-sealing head), measure result refrigeration boiling point be -49.5 DEG C and freeze depth be -51.5 DEG C；
S5, according to 100% ratio take out 51% propane, 17% ethane, 17% propylene, 5% perfluoroethane, 5% first
Alkane and 5% 1,1,1,2-- tetrafluoroethane carry out physical mixed formed product C, using B as refrigerant by refrigerator low pressure valve liquid feeding
Added at mouth (self-sealing head), measure result refrigeration boiling point be -50 DEG C and freeze depth be -53 DEG C；
S6, above-mentioned all operating processes are manipulated according to 220v, while needing to be operated under the same equipment, are limited
Determine confined space, structure size is same, and it also requires guaranteeing to be manipulated under same power.
Embodiment 1: take mass percent be 58% propane, 15% ethane, 15% propylene, 4% perfluoroethane,
4% methane and 4% tetrafluoroethane, and obtain refrigerant A after this six kinds of components are carried out physical mixed under liquid phase state, will
A is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), is measured numerical value as the result is shown and is recorded.
Embodiment 2: take mass percent be 63% propane, 14% ethane, 14% propylene, 3% perfluoroethane,
3% methane and 3% tetrafluoroethane, and obtain refrigerant B after this six kinds of components are carried out physical mixed under liquid phase state, will
B is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), is measured numerical value as the result is shown and is recorded.
Embodiment 3: take mass percent be 51% propane, 17% ethane, 17% propylene, 5% perfluoroethane,
5% methane and 5% tetrafluoroethane, and obtain refrigerant C after these three components are carried out physical mixed under liquid phase state, will
C is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), is measured numerical value as the result is shown and is recorded.
In order to compare the cycle performance under different ratio between low-temperature mixed refrigerant and R290 and R134a, according to
Operating condition in ASHRAE international standard: evaporating temperature is -23.2 DEG C, and condensation temperature is 54 .4 DEG C, and supercooling temperature is 32.2 DEG C,
32.2 DEG C of suction temperature, include that R134a carries out theoretic follow to tri- kinds of refrigerants of A, B, C and R290 made from above embodiments
Ring performance calculates and the comparison of practical laboratory test data, obtains table 1
Table 1
Each molecule (%) in mass ratio calculates below, and embodiment one, the refrigeration of embodiment two and embodiment three and performance are used
Different mass ratioes obtains after comparing.
Low-temperature mixed refrigerant provided by the invention: existing refrigerant R290, R600a and R134a can be substituted and had
Excellent physical property and thermodynamic cycle performance, especially refrigeration depth are conveniently far superior to R290 and R134a, storage are eaten
Object space face is a qualitative leap.
In addition iso-butane is not used in scheme, although iso-butane is not fluorine-containing, the disadvantage is that inflammable and explosive.
Above embodiments are only the basic explanation under present inventive concept, are not limited the invention.And according to the present invention
Technical solution made by any equivalent transformation, all belong to the scope of protection of the present invention.
Claims (4)
1. a kind of low-temperature mixed refrigerant, including low-temperature mixed refrigerant, it is characterised in that: the low-temperature mixed refrigerant at
Divide by propane (skeleton symbol CH3CH2CH3, chemical formula C3H8), ethane (structural formula CH3CH3, molecular formula C2H6), third
Alkene (molecular formula C3H6), perfluoroethane (molecular formula C2F6, i.e. R116), methane (chemical formula CH4) and 1,1,1,2-- tetra-
Fluoroethane (molecular formula CH2FCF3) composition, wherein the mass percent of each component is as follows: CH3CH2CH3:51~63%,
CH3CH3:14~17%, C3H6:14~17%, C2F6:3~5%, CH4:3~5%, CH2FCF3:3~5%；
S1, heat exchange, circulating liquid energy fast cooling, thus the temperature dropped required for reaching are carried out with evaporator (heat exchanger)
Value carries out default, while regulating and controlling expansion valve, make rapid drop in temperature, controls according to the requirement of user, use environment
The evaporating temperature of decline is in -23.2 DEG C, and the temperature in condenser is 54 .4 DEG C, and is measured out according to computing system
Cold temperature is 32.2 DEG C, 32.2 DEG C of suction temperature；
S2, it is tested on freezer compressor performance test stand, is in -23.2 DEG C according to evaporating temperature described above,
And the temperature in condenser is 54 .4 DEG C, supercooling temperature is 32.2 DEG C, and 32.2 DEG C of suction temperature are tested；
S3, the ratio that will comply with formula 100% are debugged, and take out 58% propane, 15% ethane, 15% according to 100% ratio
Propylene, 4% perfluoroethane, 4% methane and 4% 1,1,1,2-- tetrafluoroethane, physical mixed is carried out in specific container
Product B is formed, B is added as refrigerant by refrigerator low pressure valve liquid feeding mouth (self-sealing head), (refrigerant exists at normal temperature
Liquid in pressure vessel) survey result refrigeration boiling point be -48 DEG C and freeze depth be -50 DEG C；
S4, according to 100% ratio take out 63% propane, 14% ethane, 14% propylene, 3% perfluoroethane, 3% first
Alkane and 3% 1,1,1,2-- tetrafluoroethane, carry out physical mixed formed product B, added using B as refrigerant by refrigerator low pressure valve
Added at liquid mouth (self-sealing head), measure result refrigeration boiling point be -49.5 DEG C and freeze depth be -51.5 DEG C；
S5, according to 100% ratio take out 51% propane, 17% ethane, 17% propylene, 5% perfluoroethane, 5% first
Alkane and 5% 1,1,1,2-- tetrafluoroethane carry out physical mixed formed product C, using B as refrigerant by refrigerator low pressure valve liquid feeding
Added at mouth (self-sealing head), measure result refrigeration boiling point be -50 DEG C and freeze depth be -53 DEG C；
S6, above-mentioned all operating processes are manipulated according to 220v, while needing to be operated under the same equipment, are limited
Determine confined space, structure size is same, and it also requires guaranteeing to be manipulated under same power.
2. a kind of low-temperature mixed refrigerant as described in claim 1, it is characterised in that: 58% in the low-temperature mixed refrigerant
Propane, 15% ethane, 15% propylene, 4% perfluoroethane, 4% methane and 4% 1,1,1,2-- tetrafluoroethane.
3. a kind of low-temperature mixed refrigerant as described in claim 1, it is characterised in that: 63% in the low-temperature mixed refrigerant
Propane, 14% ethane, 14% propylene, 3% perfluoroethane, 3% methane and 3% 1,1,1,2-- tetrafluoroethane.
4. a kind of low-temperature mixed refrigerant as described in claim 1, it is characterised in that: 51% in the low-temperature mixed refrigerant
Propane, 17% ethane, 17% propylene, 5% perfluoroethane, 5% methane and 5% 1,1,1,2-- tetrafluoroethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411225.9A CN109971434A (en) | 2019-05-16 | 2019-05-16 | A kind of low-temperature mixed refrigerant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910411225.9A CN109971434A (en) | 2019-05-16 | 2019-05-16 | A kind of low-temperature mixed refrigerant |
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| CN109971434A true CN109971434A (en) | 2019-07-05 |
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| CN201910411225.9A Pending CN109971434A (en) | 2019-05-16 | 2019-05-16 | A kind of low-temperature mixed refrigerant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409993A (en) * | 2020-11-09 | 2021-02-26 | 江苏中圣高科技产业有限公司 | Safe and efficient mixed working medium suitable for LNG cold energy utilization |
| CN114752356A (en) * | 2022-03-29 | 2022-07-15 | 华中科技大学 | Refrigerant and application thereof |
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| CN1882671A (en) * | 2003-11-13 | 2006-12-20 | 纳幕尔杜邦公司 | Detectable refrigerant compositions and uses thereof |
| CN101155893A (en) * | 2005-02-04 | 2008-04-02 | 纳幕尔杜邦公司 | Absorption cycle utilizing ionic liquid as working fluid |
| CN102257334A (en) * | 2008-12-19 | 2011-11-23 | 纳幕尔杜邦公司 | Absorption power cycle system |
| CN102292608A (en) * | 2008-11-26 | 2011-12-21 | 纳幕尔杜邦公司 | Absorption cycle system having dual absorption circuits |
-
2019
- 2019-05-16 CN CN201910411225.9A patent/CN109971434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002026913A2 (en) * | 2000-09-27 | 2002-04-04 | Honeywell International Inc. | Fluorocarbon refrigerant compositions |
| CN1882671A (en) * | 2003-11-13 | 2006-12-20 | 纳幕尔杜邦公司 | Detectable refrigerant compositions and uses thereof |
| CN101155893A (en) * | 2005-02-04 | 2008-04-02 | 纳幕尔杜邦公司 | Absorption cycle utilizing ionic liquid as working fluid |
| CN102292608A (en) * | 2008-11-26 | 2011-12-21 | 纳幕尔杜邦公司 | Absorption cycle system having dual absorption circuits |
| CN102257334A (en) * | 2008-12-19 | 2011-11-23 | 纳幕尔杜邦公司 | Absorption power cycle system |
Non-Patent Citations (2)
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| 黄亚东主编: "《化工原理》", 30 September 2006, 中国轻工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409993A (en) * | 2020-11-09 | 2021-02-26 | 江苏中圣高科技产业有限公司 | Safe and efficient mixed working medium suitable for LNG cold energy utilization |
| CN114752356A (en) * | 2022-03-29 | 2022-07-15 | 华中科技大学 | Refrigerant and application thereof |
| CN114752356B (en) * | 2022-03-29 | 2023-12-19 | 华中科技大学 | Refrigerant and application thereof |
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Application publication date: 20190705 |