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CN118995142A - Refrigerant, preparation method thereof and heat pump clothes drying system - Google Patents

Refrigerant, preparation method thereof and heat pump clothes drying system Download PDF

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Publication number
CN118995142A
CN118995142A CN202411100452.7A CN202411100452A CN118995142A CN 118995142 A CN118995142 A CN 118995142A CN 202411100452 A CN202411100452 A CN 202411100452A CN 118995142 A CN118995142 A CN 118995142A
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China
Prior art keywords
component
mass ratio
refrigerant
heat pump
drying system
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Pending
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CN202411100452.7A
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Chinese (zh)
Inventor
黄宇杰
钟权
李华杰
史贺纯
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202411100452.7A priority Critical patent/CN118995142A/en
Publication of CN118995142A publication Critical patent/CN118995142A/en
Pending legal-status Critical Current

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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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/206—Heat pump arrangements
    • 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
    • C09K2205/126—Unsaturated fluorinated 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
    • C09K2205/22—All components of a mixture being fluoro compounds
    • 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
    • C09K2205/34—The mixture being non-azeotropic

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

本发明公开了一种制冷剂及其制备方法、热泵干衣系统，该制冷剂包括：第一组分、第二组分和第三组分；其中，所述第一组分为一氟甲烷；所述第二组分为3,3,3‑三氟丙炔；所述第三组分为顺式‑1,3,3,3‑四氟丙烯。本发明实施例所提供的制冷剂具有较低的GWP值，并且可用于热泵干衣系统，从而使热泵干衣系统的除湿效率得到提高，除湿效果得到增强，同时还能使热泵干衣系统的制冷除湿系统的环保性能得到提升。

The present invention discloses a refrigerant and a preparation method thereof, and a heat pump clothes drying system. The refrigerant comprises: a first component, a second component and a third component; wherein the first component is monofluoromethane; the second component is 3,3,3-trifluoropropyne; and the third component is cis-1,3,3,3-tetrafluoropropylene. The refrigerant provided by the embodiment of the present invention has a lower GWP value and can be used in a heat pump clothes drying system, thereby improving the dehumidification efficiency of the heat pump clothes drying system, enhancing the dehumidification effect, and at the same time improving the environmental protection performance of the refrigeration and dehumidification system of the heat pump clothes drying system.

Description

Refrigerant, preparation method thereof and heat pump clothes drying system
Technical Field
The invention relates to the technical field of refrigerants, in particular to a refrigerant, a preparation method thereof and a heat pump clothes drying system.
Background
For the "greenhouse effect" of HFCs (hydrofluorocarbons), the montreal protocol (i.e., montreal Ozone depletion substance regulation protocol, montreal Protocol on Substances THAT DEPLETE THE Ozone Layer) amendment requires a refrigerant that does not destroy the Ozone Layer and has a lower GWP value (global warming potential ) to replace the current high GWP value refrigerants and be effectively used in refrigeration systems.
In the existing heat pump clothes drying system, the refrigerant currently used in the system is R134a (1, 2-tetrafluoroethane, which is an organic compound with a chemical formula of C 2H2F4 and is the most widely used medium-low temperature environment-friendly refrigerant), and the GWP value is 1430. However, no perfect scheme for replacing R134a is found at present, and due to the characteristics of R134a, the refrigerating system using R134a has lower refrigerating capacity per unit volume, so that the compressor has larger volume (larger discharge capacity), and the COP (Coefficient Of Performance, refrigerating coefficient, which is an important index for measuring the efficiency of the refrigerating system, represents the cooling capacity obtained by unit power consumption, and the larger the COP, the higher the energy utilization efficiency of the refrigerating system, and finally the lower the dehumidifying efficiency of the heat pump clothes drying system, and the general dehumidifying effect are caused.
Disclosure of Invention
The embodiment of the invention provides a refrigerant, a preparation method thereof and a heat pump clothes drying system, and aims to provide the refrigerant with a lower GWP value, which can be applied to the heat pump clothes drying system, so that the dehumidification efficiency of the heat pump clothes drying system using the refrigerant is improved, and the dehumidification effect is enhanced.
The embodiment of the invention provides a refrigerant, which comprises the following components: a first component, a second component, and a third component;
Wherein the first component is a monofluoromethane;
The second component is 3, 3-trifluoropropyne;
The third component is cis-1, 3-tetrafluoropropene.
Further, the mass ratio of the first component is 5-15%;
The mass ratio of the second component is 25-55%;
the mass ratio of the third component is 40-65%.
Further, the mass ratio of the first component is 5-10%;
The mass ratio of the second component is 25-50%;
The mass ratio of the third component is 40-60%.
Further, the mass ratio of the first component is 10-15%;
the mass ratio of the second component is 30-55%;
the mass ratio of the third component is 45-65%.
Further, the mass ratio of the first component is 6-14%;
The mass ratio of the second component is 28-52%;
the mass ratio of the third component is 42-63%.
Further, the mass ratio of the first component is 7-13%;
the mass ratio of the second component is 30-50%;
the mass ratio of the third component is 48-57%.
Further, the mass ratio of the first component is 5-10%;
the mass ratio of the second component is 30-55%;
the mass ratio of the third component is 45-65%.
Further, the mass ratio of the first component is 10-15%;
The mass ratio of the second component is 25-50%;
The mass ratio of the third component is 40-60%.
The embodiment of the invention also provides a preparation method of the refrigerant, which comprises the following steps:
And in a normal temperature liquid phase state, physically mixing the first component of monofluoromethane, the second component of 3, 3-trifluoropropyne and the third component of cis-1, 3-tetrafluoropropene according to a preset mass ratio to obtain a ternary mixture, and taking the ternary mixture as the refrigerant.
The embodiment of the invention also provides a heat pump clothes drying system which adopts the refrigerant according to any one of the above.
The embodiment of the invention provides a refrigerant, a preparation method thereof and a heat pump clothes drying system, wherein the refrigerant comprises the following components: a first component, a second component, and a third component; wherein the first component is a monofluoromethane; the second component is 3, 3-trifluoropropyne; the third component is cis-1, 3-tetrafluoropropene. The refrigerant provided by the embodiment of the invention has a lower GWP value and can be used for a heat pump clothes drying system, so that the dehumidification efficiency of the heat pump clothes drying system is improved, the dehumidification effect is enhanced, and the environment-friendly performance of the refrigeration and dehumidification system of the heat pump clothes drying system is also improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a heat pump clothes drying system according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a conventional heat pump clothes drying system in the prior art;
fig. 3 is a schematic flow chart of a method for preparing a refrigerant according to an embodiment of the present invention.
The marks in the figure are as follows:
100. a heat pump clothes drying system;
200. A traditional heat pump clothes drying system;
110. a compressor;
120. a condenser;
130. An evaporator;
140. a first output device;
150. and a second output device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The embodiment of the invention provides a refrigerant, which comprises the following components: a first component, a second component, and a third component;
Wherein the first component is a monofluoromethane;
The second component is 3, 3-trifluoropropyne;
The third component is cis-1, 3-tetrafluoropropene.
In this embodiment, the refrigerant is an environment-friendly mixed working medium composed of a first component, a second component and a third component, wherein the first component is monofluoromethane (R41), the second component is 3, 3-Trifluoropropyne (TFP), and the third component is cis-1, 3-tetrafluoropropene (R1234 ze (Z)).
The refrigerant provided by the embodiment has a lower GWP value and can be used for a heat pump clothes drying system, so that the dehumidification efficiency of the heat pump clothes drying system is improved, the dehumidification effect is enhanced, and meanwhile, the environment-friendly performance of the refrigeration and dehumidification system of the heat pump clothes drying system is improved.
It should be noted that, among the three components adopted in this embodiment, the first component of the monofluoromethane (R41) can increase the refrigerating capacity of the unit volume of the mixture refrigerant, has the lowest boiling point, and can widen the temperature sliding range of the refrigerant; the third component cis-1, 3-tetrafluoropropene (R1234 ze (Z)) has the highest boiling point, can widen the temperature sliding range of the refrigerant, is a low-flammability environment-friendly refrigerant, and can reduce R41 with higher flammability to a certain extent; the boiling point of the second component 3, 3-trifluoro propyne (TFP) is in the middle of the two components, so that the refrigerant has the advantages of low GWP, environment friendliness, low flammability and excellent refrigerating capacity per unit volume, and the refrigerating capacity per unit volume of the mixture can be increased.
In one embodiment, the mass ratio of the first component is 5-15%, the mass ratio of the second component is 25-55%, and the mass ratio of the third component is 40-65%.
In the embodiment, the mass percentage of the first component is 5-15%, the second component is 25-55%, and the third component is 40-65%. The practical experiment shows that the third component is 40% -65% more proper, and if the proportion is too small, the refrigerating capacity of the heat pump clothes drying system cannot meet the use requirement; similarly, the second component is more proper at 25% -55%, and if the proportion is too small, the refrigerating capacity of the heat pump clothes drying system cannot meet the use requirement.
In some alternative embodiments, based on the ranges of mass ratios described above, the following examples are provided.
Example 1
The mass ratio of the first component is 5-10%;
The mass ratio of the second component is 25-50%;
The mass ratio of the third component is 40-60%.
Example 2
The mass ratio of the first component is 10-15%;
the mass ratio of the second component is 30-55%;
the mass ratio of the third component is 45-65%.
Example 3
The mass ratio of the first component is 6-14%;
The mass ratio of the second component is 28-52%;
the mass ratio of the third component is 42-63%.
Example 4
The mass ratio of the first component is 7-13%;
the mass ratio of the second component is 30-50%;
the mass ratio of the third component is 48-57%.
Example 5
The mass ratio of the first component is 5-10%;
the mass ratio of the second component is 30-55%;
the mass ratio of the third component is 45-65%.
Example 6
The mass ratio of the first component is 10-15%;
The mass ratio of the second component is 25-50%;
The mass ratio of the third component is 40-60%.
Several specific examples are provided below for illustration:
Example 1, the mass ratio of the first component is 5%;
The mass ratio of the second component is 55%;
the mass ratio of the third component is 40%.
Namely, three components of monofluoromethane (R41), 3-Trifluoropropyne (TFP) and cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 5:55:40 at normal temperature liquid phase to obtain an environment-friendly mixed working medium, wherein the environment-friendly mixed working medium is the refrigerant (the description is omitted below). The physical mixing refers to the heat absorbed or released by the different substances when mixed under the conditions of constant temperature and constant pressure, and the mixing process generally does not involve chemical reaction, but changes of physical properties, and specifically includes mechanical mixing, pneumatic mixing, impulse mixing and the like.
Example 2, the mass ratio of the first component is 5%;
the mass ratio of the second component is 45%;
The mass ratio of the third component is 50%.
Namely, three components of monofluoromethane (R41), 3-Trifluoropropyne (TFP) and cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 5:45:50 at normal temperature liquid phase to obtain an environment-friendly mixed working medium.
Example 3, the mass ratio of the first component is 10%;
the mass ratio of the second component is 30%;
the mass ratio of the third component is 60%.
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 10:30:60 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Example 4, the mass ratio of the first component is 10%;
the mass ratio of the second component is 25%;
The mass ratio of the third component is 65%.
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 10:25:65 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Example 5, the mass ratio of the first component is 15%;
The mass ratio of the second component is 40%;
The mass ratio of the third component is 45%.
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 15:40:45 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Example 6, the mass ratio of the first component is 15%;
the mass ratio of the second component is 45%;
the mass ratio of the third component is 40%.
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 15:45:40 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Meanwhile, several comparative examples are provided in combination with the description:
Comparative example 1
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 4:56:40 under the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Comparative example 2
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 15:55:30 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Comparative example 3
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 10:20:70 at the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
Comparative example 4
The three components of the monofluoromethane (R41), the 3, 3-Trifluoropropyne (TFP) and the cis-1, 3-tetrafluoropropene (R1234 ze (Z)) are physically and uniformly mixed according to the mass ratio of 20:40:40 under the normal temperature liquid phase to obtain the environment-friendly mixed working medium.
In the comparative example 1, the first component is calculated to be more proper at 5% -15% because the dehumidification system has a certain proportion requirement on the proportion of the mixed refrigerant, and if the proportion is too small, the cold quantity of the heat pump clothes drying system cannot meet the requirement;
In the comparative example 2, the third component is more suitable at 40% -65%, if the proportion is too small, the cold energy of the heat pump clothes drying system can not meet the requirement;
In the comparative example 3, the second component is more proper at 25% -55%, if the proportion is too small, the cold energy of the heat pump clothes drying system can not meet the requirement;
In comparative example 4, the first component is preferably 5% to 15%, and if the ratio is too large, it results in low COP coefficient of performance.
Specifically, the cycle performance of the heat pump laundry drying system 100 (shown in fig. 1) using the refrigerant provided in the present embodiment and the conventional heat pump laundry drying system 200 (shown in fig. 2) using R134a as the refrigerant were calculated by simulation calculation with the same air side condition.
The same air side condition is referred to herein as air-dried ball temperature 37℃and relative humidity 85%. The results of comparing the refrigeration cycle performance of the refrigeration system circuit with the relative thermal performance of R134a (i.e., the relative refrigerating capacity per unit volume and the relative efficiency COP) obtained by the calculation of the above examples are shown in table 1, by performing simulation calculation according to the conditions of the superheat degree of 5 ℃, the supercooling degree of 5 ℃, the adiabatic efficiency of the compressor of 0.75, the evaporation temperature of 20 ℃ and the condensation temperature of 60 ℃.
TABLE 1
As can be seen from table 1, when the refrigerant provided in this embodiment is applied in the heat pump clothes drying system 100, the environmental performance of the heat pump clothes drying system 100 is far better than R134a, the thermal performance is better than R134a, and the GWP is lower than 150. That is, the volume refrigeration capacity and COP value of the refrigerant provided by the embodiment are better than those of the traditional R134a system, so that the refrigerant can be used as the refrigerant of the heat pump clothes drying system instead of R134 a.
Of course, in the practical application scenario, the refrigerant with other mass ratios may be adopted, as long as the mass ratio of the first component is 5-15%, the mass ratio of the second component is 25-55%, and the mass ratio of the third component is 40-65%. For example:
(1) The mass ratio of the first component is 12%;
The mass ratio of the second component is 38%;
The mass ratio of the third component is 50%.
(2) The mass ratio of the first component is 7%;
the mass ratio of the second component is 42%;
The mass ratio of the third component is 51%.
(3) The mass ratio of the first component is 8%;
The mass ratio of the second component is 50%;
the mass ratio of the third component is 42%.
(4) The mass ratio of the first component is 10%;
the mass ratio of the second component is 28%;
the mass ratio of the third component is 62%.
(5) The mass ratio of the first component is 11%;
The mass ratio of the second component is 41%;
the mass ratio of the third component is 48%.
(6) The mass ratio of the first component is 14%;
The mass ratio of the second component is 29%;
the mass ratio of the third component is 57%.
As shown in fig. 3, the embodiment of the invention further provides a preparation method of the refrigerant, which includes: step S101.
And step S101, under the normal temperature liquid phase state, physically mixing the first component of monofluoromethane, the second component of 3, 3-trifluoropropyne and the third component of cis-1, 3-tetrafluoropropene according to a preset mass ratio to obtain a ternary mixture, and taking the ternary mixture as the refrigerant.
For example, the refrigerant is prepared by physically mixing 5 to 15% by mass of the first component, 25 to 55% by mass of the second component and 40 to 65% by mass of the third component in a normal temperature liquid phase state.
In this example, monofluoromethane, 3-trifluoropropyne and cis-1, 3-tetrafluoropropene are physically mixed in a liquid phase at room temperature according to their respective mass ratios to form a ternary mixture.
The basic parameters of each component are shown in Table 2.
Component element Name of the name Normal boiling point DEG C GWP
R41 Monofluoromethane -78.0 92
TFP 3, 3-Trifluoropropyne -48.0 11
R1234ze(Z) Cis-1, 3-tetrafluoropropene 9.7 1
TABLE 2
Embodiments of the present invention also provide a heat pump clothes drying system 100 employing a refrigerant as described in any of the above.
The heat pump clothes drying system 100 of this embodiment uses an environment-friendly mixed working medium containing monofluoromethane, 3-trifluoropropyne and cis-1, 3-tetrafluoropropene as a refrigerant.
Referring to fig. 1, the heat pump clothes drying system 100 includes a compressor 110, a condenser 120, and a plurality of evaporators 130, where an exhaust port of the compressor 110 is connected to one end of the condenser 120, the other end of the condenser 120 is connected to the uppermost evaporator 130 through a first output device 140, the evaporators 130 are connected to each other through a second output device 150, the lowermost evaporator 130 is further connected to an air inlet of the compressor 110, specifically, the first output device 140 may be a conveying pipeline provided with a throttle valve, and the second output device 150 is a conveying pipeline not provided with a throttle valve, and of course, in a practical application scenario, the first output device 140 and the second output device 150 may be correspondingly set according to practical requirements, so as to improve conveying efficiency.
When the heat pump clothes drying system 100 works, high-temperature and high-pressure gaseous refrigerant enters the condenser 120 from the exhaust port of the compressor 110 to be condensed, liquid refrigerant is obtained, the liquid refrigerant enters the uppermost evaporator 130 to be evaporated through the first output device 140, sequentially enters the subsequent evaporators 130 through the second output device 150 to be evaporated, and finally flows back to the compressor 110 from the lowermost evaporator 130.
Since the refrigerant provided in this embodiment is a non-azeotropic refrigerant, i.e., has a large temperature glide (the glide temperature is the change in phase transition temperature of the refrigerant mixture when it undergoes a phase transition at a certain constant pressure), the inlet evaporation temperature of the evaporator 130 is lower than the outlet evaporation temperature of the evaporator at the same evaporation pressure. The air is cooled by the uppermost evaporator 130 with higher surface temperature, dehumidified by the intermediate evaporator 130 with lower surface temperature to saturation temperature, and dehumidified by the lowermost evaporator 130 with lower surface temperature. Therefore, compared with the conventional heat pump clothes drying system 200, the heat pump clothes drying system 100 provided in this embodiment can effectively improve the dehumidification efficiency and enhance the dehumidification effect.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1.一种制冷剂，其特征在于，包括：第一组分、第二组分和第三组分；1. A refrigerant, characterized in that it comprises: a first component, a second component and a third component; 其中，所述第一组分为一氟甲烷；Wherein, the first component is monofluoromethane; 所述第二组分为3,3,3-三氟丙炔；The second component is 3,3,3-trifluoropropyne; 所述第三组分为顺式-1,3,3,3-四氟丙烯。The third component is cis-1,3,3,3-tetrafluoropropylene. 2.根据权利要求1所述的制冷剂，其特征在于，所述第一组分的质量比为5～15％；2. The refrigerant according to claim 1, characterized in that the mass ratio of the first component is 5 to 15%; 所述第二组分的质量比为25～55％；The mass ratio of the second component is 25-55%; 所述第三组分的质量比为40～65％。The mass ratio of the third component is 40-65%. 3.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为5～10％；3. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 5 to 10%; 所述第二组分的质量比为25～50％；The mass ratio of the second component is 25-50%; 所述第三组分的质量比为40～60％。The mass ratio of the third component is 40-60%. 4.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为10～15％；4. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 10-15%; 所述第二组分的质量比为30～55％；The mass ratio of the second component is 30-55%; 所述第三组分的质量比为45～65％。The mass ratio of the third component is 45-65%. 5.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为6～14％；5. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 6 to 14%; 所述第二组分的质量比为28～52％；The mass ratio of the second component is 28-52%; 所述第三组分的质量比为42～63％。The mass ratio of the third component is 42-63%. 6.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为7～13％；6. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 7 to 13%; 所述第二组分的质量比为30～50％；The mass ratio of the second component is 30-50%; 所述第三组分的质量比为48～57％。The mass ratio of the third component is 48-57%. 7.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为5～10％；7. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 5 to 10%; 所述第二组分的质量比为30～55％；The mass ratio of the second component is 30-55%; 所述第三组分的质量比为45～65％。The mass ratio of the third component is 45-65%. 8.根据权利要求2所述的制冷剂，其特征在于，所述第一组分的质量比为10～15％；8. The refrigerant according to claim 2, characterized in that the mass ratio of the first component is 10-15%; 所述第二组分的质量比为25～50％；The mass ratio of the second component is 25-50%; 所述第三组分的质量比为40～60％。The mass ratio of the third component is 40-60%. 9.一种制冷剂的制备方法，其特征在于，包括：9. A method for preparing a refrigerant, comprising: 在常温液相状态下，按照预设质量配比对第一组分一氟甲烷、第二组分3,3,3-三氟丙炔和第三组分顺式-1,3,3,3-四氟丙烯进行物理混合，得到三元混合物，并将所述三元混合物作为所述制冷剂。In a liquid state at room temperature, the first component monofluoromethane, the second component 3,3,3-trifluoropropyne and the third component cis-1,3,3,3-tetrafluoropropylene are physically mixed according to a preset mass ratio to obtain a ternary mixture, and the ternary mixture is used as the refrigerant. 10.一种热泵干衣系统，其特征在于，采用如权利要求1～8任一项所述的制冷剂。10. A heat pump clothes drying system, characterized by using the refrigerant according to any one of claims 1 to 8.
CN202411100452.7A 2024-08-12 2024-08-12 Refrigerant, preparation method thereof and heat pump clothes drying system Pending CN118995142A (en)

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