CN1789367A - Multi-element mixed working substance adapted to double temperature preparation of single-unit vapor compression type refrigerator - Google Patents
Multi-element mixed working substance adapted to double temperature preparation of single-unit vapor compression type refrigerator Download PDFInfo
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Abstract
The invention relates the multicomponent mixed working substance used for preparing dual-temperature by single-machine vapor compression refrigerator. The low temperature is between -60- -40Deg.C and the high temperature is between -25- 10Deg.C. The multicomponent mixed working substance comprises lower boiling working substance and high boiling working substance. The lower boiling working substance comprises tetrafluoromethane, ethylene, ethane, fluoroethylene, trifluoromethane, fluoromethane, hydrofluoeic ether, carbon dioxide, difluoromethane and penfluoroethane; the high boiling working substance comprises trifluoro-thane, hydrofluoeic ether, propylene, propane, perfluoropropylamine, propadiene, cyclopropane, difluo-monochloromethane, penta-monochloroethane, perfluoroethane, difluoroethane, isobutene, butane, butylenes, isobutylene, sevofluoropropane, hexafluoropropane, penfluoropropane and tetrachloromonofluoroethane.
Description
Technical field
The invention belongs to the refrigerating machine technical field, relate to a kind of separate unit compressor unit vapor compression type refrigerator that is applicable to and produce the multi-element mixed working substance of two temperature.
Background technology
The difference of food product refrigeration or refrigerating temperature, freshness and fresh keeping time to it all have material impact, and different foods is to keep These parameters freezing or refrigerating temperature are had different requirements, and this must produce the requirement that different vaporization temperatures satisfies Food preservation with regard to requiring when vapour compression refrigeration system designs.In addition, also have many aspects (as separation liquefaction of mixture etc.) all to need different temperature environments with process, this all needs vapour compression refrigeration system to produce different vaporization temperatures.
For this reason, Chinese patent CN03262516.2 has proposed the cyclic design of " the how warm unit vapor compression type refrigerator of a kind of unit ", but does not relate to the selection of mixing medium.Utilize non-azeotropic mixed working medium fractional condensation principle to produce pair schema of the refrigeration cycle of temperature shown in Chinese patent CN03262516.2 Fig. 2-1, Fig. 2-2 and Fig. 2-3, though flow process shown in Fig. 2-1,2-2, the 2-3 is slightly different, can both reach the purpose of producing two vaporization temperatures.They all are made up of compressor 201, condenser 202, gas-liquid separator 203, high-temperature evaporator 205, condenser/evaporator 206, throttling valve 207, cryogenic vaporizer 208 and check valve 209.Make that the temperature of chamber between the low temperature that this refrigeration plant produces is that the temperature of chamber between-60 ℃～-40 ℃, high temperature is-25 ℃～10 ℃ a purpose, key is the research to employed non-azeotropic mixed working substance, the carrier that mixed working substance transmits as heat, its proportioning directly has influence on the composition of refrigerating effect and system hardware, and selecting suitable component and proportioning is the basic factor that guarantees two temp, refrigerating system performances.According to the data-searching that the applicant carried out, do not find the relevant patent report of this system at present as yet at above-mentioned warm area.
Summary of the invention
The object of the present invention is to provide to be applicable to that low temperature room temperature degree that single compressor produces is interval and to be the interval used multicomponent mixture work medium of two-storage temperature refrigerator for-25 ℃～10 ℃ of-60 ℃～-40 ℃, high temperature room temperature degree, compare scope having taken into full account the suitable operating pressure of single-stage compressor aspect the concrete concentration proportioning.
When envrionment temperature is 25 ℃, for make the low temperature room temperature degree of two-storage temperature refrigerator interval for-60 ℃～-40 ℃, high temperature room temperature degree is interval is-25 ℃～10 ℃, must in low boiling working fluid and high boiling point working medium, at least respectively select a refrigeration agent and form mixed non-azeotropic refrigerant, select different component and proportioning at the temperature of chamber between different high and low temperatures.
The two-storage temperature refrigerator of single compressor mixing medium, building block is simple relatively, corresponding to different parts generations are different thermal processing, comprise the adiabatic compression of carrying out in the compressor, isobaric heat release in the condenser, two phase separations of vapour liquid separator, heat recovery process in the condenser/evaporator, throttling expansion process in the throttling element, these all are the processes that realizes energy transformation, merit by compressor input is converted to cold, and for chamber between two provides the utilization of cold, low-pressure low-temperature working medium enters condenser/evaporator cooling high pressure incoming flow working medium, after self temperature returns to envrionment temperature, enter compressor and finish a thermodynamic cycle.Therefore, mixing medium finally will be embodied in influence to above-mentioned several thermal processing to the refrigerator Effect on Performance.In addition, the status of different thermal processing in refrigerator is also not quite identical, wherein heat recovery process is to influence (when especially the adopting multicomponent mixture work medium) maximum of refrigerator, the effect of heat recovery process also has a significant impact throttling process simultaneously, be in particular in when backheat is improved, temperature reduces before causing throttling, and the loss of throttling process is also reduced greatly.Therefore mixture working medium being selected to take all factors into consideration influence to each thermal processing, is that the irreversible loss of each process is reduced for preferred working medium, and final system obtains optimum performance.
Technical scheme of the present invention is as follows:
A kind of multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations, and to produce low temperature room temperature degree be that-60 ℃～-40 ℃, high temperature room temperature degree are-25 ℃～10 ℃, between low temperature between chamber and high temperature the ratio of the refrigerating duty of chamber be arbitrary proportion, it is made up of lower boiling and two groups of working medium of high boiling point, wherein:
Low boiling working fluid: select tetrafluoromethane, ethene, ethane, vinyl fluoride, perfluoro-ethylene, trifluoromethane, methyl fuoride, R 116, carbonic acid gas, methylene fluoride one or more mixture wherein;
High boiling point working medium: select 1,1,1-Halothane, fluoroethane, propylene, propane, perfluoropropane, propadiene, cyclopropane, difluorochloromethane, five fluorine monochlorethanes, 1,1,1,2-Tetrafluoroethane, 1,1-C2H4F2 C2H4F2, Trimethylmethane, normal butane, 1-butylene, iso-butylene, 1,1,1,2,3,3,3-heptafluoro-propane, 1,1,1,3,3,3-HFC-236fa, 1,1,2,2, the mixture of one or more of 3-pentafluoropropane, tetrafluoro monochlorethane;
Wherein the total mass concentration of low boiling working fluid is: 15%～50%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～85%, two groups of materials is 100%.
More specifically temperature use at different two-storage temperature refrigerators is subdivided into:
1. the temperature of chamber is-60 ℃～-50 ℃ between low temperature, and high temperature room temperature degree is-25 ℃～-15 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 25%～50%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～75%, two groups of materials is 100%.
2. the temperature of chamber is-50 ℃～-40 ℃ between low temperature, and high temperature room temperature degree is-25 ℃～-15 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 15%～45%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～85%, two groups of materials is 100%.
3. the temperature of chamber is-60 ℃～-50 ℃ between low temperature, and high temperature room temperature degree is-15 ℃～-5 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 20%～50%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～80%, two groups of materials is 100%.
4. the temperature of chamber is-50 ℃～-40 ℃ between low temperature, and high temperature room temperature degree is-15 ℃～-5 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 25%～45%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～75%, two groups of materials is 100%.
5. the temperature of chamber is-60 ℃～-50 ℃ between low temperature, and high temperature room temperature degree is-5 ℃～10 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 15%～45%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～85%, two groups of materials is 100%.
6. the temperature of chamber is-50 ℃～-40 ℃ between low temperature, and high temperature room temperature degree is-5 ℃～10 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 25%～45%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～75%, two groups of materials is 100%.
7. the temperature of chamber is-60 ℃～-50 ℃ between low temperature, and high temperature room temperature degree is-25 ℃～-15 ℃, and the chamber refrigerating duty is between high temperature during 2 times of chamber refrigerating duty, then between low temperature:
The total mass concentration of low boiling working fluid is: 25%～50%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～75%, two groups of materials is 100%.
8. the temperature of chamber is-60 ℃～-50 ℃ between low temperature, and high temperature room temperature degree is-25 ℃～-15 ℃, and the chamber refrigerating duty is 1/2 o'clock of chamber refrigerating duty between high temperature between low temperature, then:
The total mass concentration of low boiling working fluid is: 15%～35%, and the total mass concentration of high boiling point working medium is: the mass concentration sum of 65%～85%, two groups of materials is 100%.
The polynary mix refrigerant of above-mentioned mass concentration scope is corresponding to the working pressure range of system: high pressure is in 0.5MPa～2.5MPa scope, and low pressure is in 0.05MPa～0.2MPa scope (being absolute pressure), and pressure ratio is 5～17.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 produce three kinds of multi-form circulation process figure of two vaporization temperatures for Chinese patent CN03262516.2 uses the separate unit compressor, wherein 201 be compressor, 202 for condenser, 203 for gas-liquid separator, 205 for high-temperature evaporator, 206 for condenser/evaporator, 207 for throttling valve, 208 for cryogenic vaporizer, 209 be check valve.With Fig. 1 is example, its circulation process is: compressor 201 compresses mixed refrigerant vapor, part steam condensation in condenser 202 in the mix refrigerant, carrying out gas-liquid separation at gas-liquid separator 203 then divides two-way to flow out, liquid refrigerant process throttling valve 204 throttlings of coming out from gas-liquid separator enter high-temperature evaporator 205 and produce high vaporization temperature, the refrigerant air-liquid mixture that part does not evaporate enters condenser/evaporator 206, the gas refrigerant that will come out from gas-liquid separator is condensed into liquid refrigerant, these liquid refrigerant process throttling valve 207 throttlings enter cryogenic vaporizer 208 and produce low vaporization temperature, the gas refrigerant that comes out from cryogenic vaporizer 208 mixes through check valve 209 and the gas refrigerant that comes out from condenser/evaporator 206 then, gets back to together in the compressor 201.
Embodiment
Specific embodiment below in conjunction with accompanying drawing provides is described in further detail patent of the present invention.
Embodiment 1:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-60 ℃～-50 ℃, and high temperature room temperature degree is-25 ℃～-15 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 1, w representation unit quality compression work that mixing medium consumes wherein, and the cold that q representation unit quality mixing medium provides for chamber between high and low temperature:
Table 1:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 30 (carbonic acid gas) | 50 (trifluoromethanes) | 40 (methylene fluoride 35, carbonic acid gas 5) |
| High boiling point working medium | 70 (Trimethylmethanes) | 50 (R142b 40, Trimethylmethanes 10) | 60 (Trimethylmethanes) |
| High voltage/low voltage | 1.5/0.1(MPa) | 2.03/0.15(MPa) | 1.49/0.09(MPa) |
| w(J/g) | 130.9 | 78.7 | 137.2 |
| q(J/g) | 63.3 | 32.6 | 60.2 |
Embodiment 2:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-50 ℃～-40 ℃, and high temperature room temperature degree is-25 ℃～-15 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 2, and mixing medium mass concentration and performance see Table 2, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between high and low temperature.
Table 2:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 35 (methylene fluoride) | 20 (ethane) | 35 (methylene fluoride 25, ethane 10) |
| High boiling point working medium | 65 (Trimethylmethanes) | 80 (R142b 60, Trimethylmethanes 20) | 65(R142b) |
| High voltage/low voltage | 1.3/0.09(MPa) | 1.7/0.1(MPa) | 1.2/0.8(MPa) |
| w(J/g) | 120.2 | 119.9 | 121.9 |
| q(J/g) | 48.7 | 53.2 | 65.3 |
Embodiment 3:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-60 ℃～-50 ℃, and high temperature room temperature degree is-15 ℃～-5 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 3, and mixing medium mass concentration and performance see Table 3, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between high and low temperature.
Table 3:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 45 (ethane) | 30 (carbonic acid gas) | 45 (trifluoromethane 40, ethane 5) |
| High boiling point working medium | 55 (Trimethylmethanes) | 70 (Trimethylmethane 50, propane 20) | 55(R142b) |
| High voltage/low voltage | 2.36/0.2(MPa) | 1.5/0.095(MPa) | 1.75/0.14(MPa) |
| w(J/g) | 117.6 | 128.6 | 74.4 |
| q(J/g) | 40.8 | 54.7 | 30.5 |
Embodiment 4:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-50 ℃～-40 ℃, and high temperature room temperature degree is-15 ℃～-5 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 4, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between high and low temperature.
Table 4:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 30 (methylene fluoride) | 40 (methylene fluoride) | 30 (carbonic acid gas 18, ethane 12) |
| High boiling point working medium | 70 (butane) | 60 (Trimethylmethane 40, butane 20) | 70 (Trimethylmethanes) |
| High voltage/low voltage | 0.88/0.07(MPa) | 1.5/0.11(MPa) | 1.7/0.1(MPa) |
| w(J/g) | 107.9 | 129.8 | 136.4 |
| q(J/g) | 57.2 | 66.4 | 70.6 |
Embodiment 5:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-60 ℃～-50 ℃, and high temperature room temperature degree is-5 ℃～10 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 5, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between high and low temperature.
Table 5:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 40 (ethane) | 20 (trifluoromethanes) | 15 (carbonic acid gas 10, ethane 5) |
| High boiling point working medium | 60 (butane) | 80 (butane 60, iso-butylenes 20) | 85 (butane) |
| High voltage/low voltage | 1.05/0.13(MPa) | 0.6/0.14(MPa) | 0.6/0.17(MPa) |
| w(J/g) | 147.4 | 42.9 | 39.1 |
| q(J/g) | 59.2 | 9.04 | 22.0 |
Embodiment 6:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-50 ℃～-40 ℃, and high temperature room temperature degree is-5 ℃～10 ℃, the multicomponent mixture work medium that is suitable for when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 6, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between high and low temperature.
Table 6:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 40 (pentafluoride ethanes) | 30 (methylene fluoride) | 30 (carbonic acid gas 20, trifluoromethanes 10) |
| High boiling point working medium | 60 (Trimethylmethanes) | 70 (butane 50,1,1,1,3,3,3-HFC-236fa 20) | 70 (butane) |
| High voltage/low voltage | 0.6/0.07MPa) | 0.91/0.09(MPa) | 1.1/0.14(MPa) |
| w(J/g) | 73.9 | 96.9 | 112.6 |
| q(J/g) | 25.6 | 60.7 | 98.1 |
Embodiment 7:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-60 ℃～-50 ℃, and high temperature room temperature degree is-25 ℃～-15 ℃, and the chamber refrigerating duty is the multicomponent mixture work medium that is suitable for during 2 times of chamber refrigerating dutys between high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 7, w representation unit quality compression work that mixing medium consumes wherein, the cold that the chamber provides between q representation unit quality mixing medium low temperature.
Table 7:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 40 (carbonic acid gas) | 35 (ethane) | 50 (carbonic acid gas 35, ethane 15) |
| High boiling point working medium | 60 (propane) | 65 (Trimethylmethane 55, propane 10) | 50 (Trimethylmethanes) |
| High voltage/low voltage | 2.3/0.2(MPa) | 1.69/0.19(MPa) | 2.1/0.23(MPa) |
| w(J/g) | 180.6 | 162.4 | 166.3 |
| q(J/g) | 120.5 | 110.2 | 105.1 |
Embodiment 8:
Envrionment temperature is 25 ℃, and the low temperature room temperature degree of two-storage temperature refrigerator is-60 ℃～-50 ℃, and high temperature room temperature degree is-25 ℃～-15 ℃, and the chamber refrigerating duty is the multicomponent mixture work medium that is suitable for during the refrigerating duty 1/2 of chamber between high temperature between low temperature; Its refrigeration cycle is shown in Figure 20 1, and mixing medium mass concentration and performance see Table 8, w representation unit quality compression work that mixing medium consumes wherein, the cold that q representation unit quality mixing medium provides for chamber between low temperature.
Table 8:
| Project | Mixture 1 mass concentration % | Mixture 2 mass concentration % | Mixture 3 mass concentration % |
| Low boiling working fluid | 30 (ethane) | 25 (carbonic acid gas) | 15 (ethane 10, carbonic acid gas 5) |
| High boiling point working medium | 70 (third is rare) | 75 (Trimethylmethane 50, propane 25) | 85 (propane) |
| High voltage/low voltage | 2.3/0.17(MPa) | 1.6/0.12(MPa) | 1.85/0.14(MPa) |
| w(J/g) | 283.2 | 129.7 | 275.2 |
| q(J/g) | 79.0 | 43.5 | 79.6 |
The foregoing description shows that multi-element mixed working substance of the present invention can provide and above-mentioned two corresponding vaporization temperatures of temperature range under the single-stage totally-enclosed compressor drives.
What need offer some clarification on is: (1) Fig. 2-1,2-2,2-3 are to use the separate unit compressor to produce three kinds of multi-form basic circulation process figure of two vaporization temperatures, if change circulation process by increasing heat-exchange equipment or liquid storage equipment, and the proportioning that adopts the polynary mix refrigerant that above-mentioned low boiling working fluid and high boiling point working medium constitutes to produce low temperature room temperature degree be that-60 ℃～-40 ℃, high temperature room temperature degree are-25 ℃～10 ℃ two-storage temperature refrigerator, belong to protection scope of the present invention equally; (2) if change the ratio of refrigeration chamber refrigerating duty and refrigerating chamber refrigerating duty; and the proportioning that adopts the polynary mix refrigerant that above-mentioned low boiling working fluid and high boiling point working medium constitutes to produce low temperature room temperature degree be that-60 ℃～-40 ℃, high temperature room temperature degree are-25 ℃～10 ℃ two-storage temperature refrigerator, belong to protection scope of the present invention equally.
Claims (9)
1. multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations, and to produce low temperature room temperature degree be that-60 ℃～-40 ℃, high temperature room temperature degree are-25 ℃～10 ℃, between low temperature between chamber and high temperature the ratio of the refrigerating duty of chamber be arbitrary proportion, it is made up of lower boiling and two groups of working medium of high boiling point, wherein:
Low boiling working fluid: select tetrafluoromethane, ethene, ethane, vinyl fluoride, perfluoro-ethylene, trifluoromethane, methyl fuoride, R 116, carbonic acid gas, methylene fluoride one or more mixture wherein;
High boiling point working medium: select 1,1,1-Halothane, fluoroethane, propylene, propane, perfluoropropane, propadiene, cyclopropane, difluorochloromethane, five fluorine monochlorethanes, 1,1,1,2-Tetrafluoroethane, 1,1-C2H4F2 C2H4F2, Trimethylmethane, normal butane, 1-butylene, iso-butylene, 1,1,1,2,3,3,3-heptafluoro-propane, 1,1,1,3,3,3-HFC-236fa, 1,1,2,2, the mixture of one or more of 3-pentafluoropropane, tetrafluoro monochlorethane;
Wherein the total mass concentration of low boiling working fluid is: 15%～50%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～85%, two groups of materials is 100%.
2. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes be used for two temperature circulations produce between low temperature the temperature of chamber be-60 ℃～-50 ℃, high temperature room temperature degree be between-25 ℃～-15 ℃, low temperature between chamber and high temperature the chamber refrigerating duty identical;
Wherein the total mass concentration of low boiling working fluid is: 25%～50%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～75%, two groups of materials is 100%.
3. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-50 ℃～-40 ℃ between low temperature, high temperature room temperature degree is-25 ℃～-15 ℃, between low temperature between chamber and high temperature the chamber refrigerating duty identical;
Wherein the total mass concentration of low boiling working fluid is: 15%～45%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～85%, two groups of materials is 100%.
4. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-60 ℃～-50 ℃ between low temperature, high temperature room temperature degree is-15 ℃～-5 ℃, when the chamber refrigerating duty is identical between chamber and high temperature between low temperature; Wherein the total mass concentration of low boiling working fluid is: 20%～50%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～80%, two groups of materials is 100%.
5. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-50 ℃～-40 ℃ between low temperature, high temperature room temperature degree is-15 ℃～-5 ℃, between low temperature between chamber and high temperature the chamber refrigerating duty identical;
Wherein the total mass concentration of low boiling working fluid is: 25%～45%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～75%, two groups of materials is 100%.
6. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-60 ℃～-50 ℃ between low temperature, high temperature room temperature degree is-5 ℃～10 ℃, between low temperature between chamber and high temperature the chamber refrigerating duty identical;
Wherein the total mass concentration of low boiling working fluid is: 15%～45%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～85%, two groups of materials is 100%.
7. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-50 ℃～-40 ℃ between low temperature, high temperature room temperature degree is-5 ℃～10 ℃, between low temperature between chamber and high temperature the chamber refrigerating duty identical;
Wherein the total mass concentration of low boiling working fluid is: 25%～45%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 55%～75%, two groups of materials is 100%.
8. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-60 ℃～-50 ℃ between low temperature, high temperature room temperature degree is-25 ℃～-15 ℃, and the chamber refrigerating duty is 2 times of chamber refrigerating duty between high temperature between low temperature;
Wherein the total mass concentration of low boiling working fluid is: 25%～50%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 50%～75%, two groups of materials is 100%.
9. the multi-element mixed working substance that is applicable to double temperature preparation of single-unit vapor compression type refrigerator as claimed in claim 1, it is characterized in that, the multi-element mixed working substance that makes is used for two temperature circulations and produces that the temperature of chamber is-60 ℃～-50 ℃ between low temperature, high temperature room temperature degree is-25 ℃～-15 ℃, between low temperature the chamber refrigerating duty be between high temperature the chamber refrigerating duty 1/2;
Wherein the total mass concentration of low boiling working fluid is: 15%～35%; The total mass concentration of high boiling point working medium is: the mass concentration sum of 65%～85%, two groups of materials is 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510124516 CN1789367A (en) | 2005-12-09 | 2005-12-09 | Multi-element mixed working substance adapted to double temperature preparation of single-unit vapor compression type refrigerator |
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| CN100457850C (en) * | 2006-06-26 | 2009-02-04 | 浙江蓝天环保高科技股份有限公司 | CFC-12 substituting environmental-protective cryogen |
| CN101407713A (en) * | 2007-10-12 | 2009-04-15 | 霍尼韦尔国际公司 | Blend working fluid and uses thereof |
| CN100547050C (en) * | 2007-04-13 | 2009-10-07 | 中国科学院理化技术研究所 | A kind of mix refrigerant that is applicable to low temperature level in the two-stage multiplex refrigerating system |
| CN101654613A (en) * | 2008-08-20 | 2010-02-24 | 霍尼韦尔（中国）有限公司 | Mixed working medium and application thereof |
| CN101735772A (en) * | 2007-11-09 | 2010-06-16 | 浙江蓝天环保高科技股份有限公司 | Novel environment friendly refrigerating fluid |
| CN101922850A (en) * | 2010-09-15 | 2010-12-22 | 煤炭科学研究总院重庆研究院 | Method for utilizing coalbed methane containing oxygen to prepare liquefied natural gas |
| CN101929788A (en) * | 2010-09-15 | 2010-12-29 | 中国科学院理化技术研究所 | Device for preparing liquefied natural gas by oxygen-bearing coal mine methane |
| CN103320095B (en) * | 2013-07-02 | 2015-07-29 | 马鞍山市博浪热能科技有限公司 | A kind of non-azeotrope Diversity refrigeration agent |
| CN105018037A (en) * | 2015-07-07 | 2015-11-04 | 黑龙江盛大科技有限公司 | Refrigerant synthesizing preparation for heat-exchange cycle system |
| CN105062426A (en) * | 2015-07-17 | 2015-11-18 | 天津大学 | Organic Rankine cycle mixed working media applicable to recovery of waste heat of high-temperature exhaust gas of internal combustion engine |
| CN105885797A (en) * | 2014-09-07 | 2016-08-24 | 张永康 | Incombustible mixed refrigerant suitable for -50 to -70 DEG C temperature range of refrigeration |
| CN106403449A (en) * | 2016-10-27 | 2017-02-15 | 青岛海尔特种电冰柜有限公司 | Air-cooled refrigerating equipment |
| CN106440444A (en) * | 2016-10-27 | 2017-02-22 | 青岛海尔特种电冰柜有限公司 | Multiple-temperature zone refrigeration circuit and multiple-temperature zone refrigeration device |
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| CN106482371A (en) * | 2016-10-27 | 2017-03-08 | 青岛海尔特种电冰柜有限公司 | The double refrigeration system of multi-temperature zone and multi-temperature zone refrigeration plant |
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| CN108148556A (en) * | 2017-12-25 | 2018-06-12 | 洛阳名力科技开发有限公司 | A kind of air-conditioning refrigerant |
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| CN112175581A (en) * | 2019-09-10 | 2021-01-05 | 冰山松洋生物科技(大连)有限公司 | Environment-friendly refrigerant and refrigerating system thereof |
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| CN100457850C (en) * | 2006-06-26 | 2009-02-04 | 浙江蓝天环保高科技股份有限公司 | CFC-12 substituting environmental-protective cryogen |
| CN100547050C (en) * | 2007-04-13 | 2009-10-07 | 中国科学院理化技术研究所 | A kind of mix refrigerant that is applicable to low temperature level in the two-stage multiplex refrigerating system |
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| CN101735772A (en) * | 2007-11-09 | 2010-06-16 | 浙江蓝天环保高科技股份有限公司 | Novel environment friendly refrigerating fluid |
| CN101735772B (en) * | 2007-11-09 | 2013-03-20 | 浙江蓝天环保高科技股份有限公司 | Novel environment friendly refrigerating fluid |
| CN101654613A (en) * | 2008-08-20 | 2010-02-24 | 霍尼韦尔（中国）有限公司 | Mixed working medium and application thereof |
| CN101929788A (en) * | 2010-09-15 | 2010-12-29 | 中国科学院理化技术研究所 | Device for preparing liquefied natural gas by oxygen-bearing coal mine methane |
| CN101922850B (en) * | 2010-09-15 | 2012-01-04 | 煤炭科学研究总院重庆研究院 | Method for utilizing coalbed methane containing oxygen to prepare liquefied natural gas |
| CN101922850A (en) * | 2010-09-15 | 2010-12-22 | 煤炭科学研究总院重庆研究院 | Method for utilizing coalbed methane containing oxygen to prepare liquefied natural gas |
| CN103320095B (en) * | 2013-07-02 | 2015-07-29 | 马鞍山市博浪热能科技有限公司 | A kind of non-azeotrope Diversity refrigeration agent |
| CN105885797A (en) * | 2014-09-07 | 2016-08-24 | 张永康 | Incombustible mixed refrigerant suitable for -50 to -70 DEG C temperature range of refrigeration |
| CN105018037A (en) * | 2015-07-07 | 2015-11-04 | 黑龙江盛大科技有限公司 | Refrigerant synthesizing preparation for heat-exchange cycle system |
| CN105062426A (en) * | 2015-07-17 | 2015-11-18 | 天津大学 | Organic Rankine cycle mixed working media applicable to recovery of waste heat of high-temperature exhaust gas of internal combustion engine |
| WO2017012167A1 (en) * | 2015-07-17 | 2017-01-26 | 天津大学 | Organic rankine cycle mixed working medium applicable to high-temperature exhaust waste heat recovery of internal combustion engine |
| CN106479442A (en) * | 2016-09-27 | 2017-03-08 | 宁波艾科制冷工程有限公司 | A kind of refrigerant composition earl august eugene lund ian robert and preparation method |
| CN106482369A (en) * | 2016-10-27 | 2017-03-08 | 青岛海尔特种电冰柜有限公司 | Multi-temperature zone kind of refrigeration cycle dual system and multi-temperature zone refrigeration plant |
| CN106568219A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Multiple-temperature-zone double-flow-way refrigeration equipment |
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| CN106482425A (en) * | 2016-10-27 | 2017-03-08 | 青岛海尔特种电冰柜有限公司 | Split type multi-temperature zone refrigeration plant |
| CN106482371A (en) * | 2016-10-27 | 2017-03-08 | 青岛海尔特种电冰柜有限公司 | The double refrigeration system of multi-temperature zone and multi-temperature zone refrigeration plant |
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| CN106440444A (en) * | 2016-10-27 | 2017-02-22 | 青岛海尔特种电冰柜有限公司 | Multiple-temperature zone refrigeration circuit and multiple-temperature zone refrigeration device |
| CN106403449A (en) * | 2016-10-27 | 2017-02-15 | 青岛海尔特种电冰柜有限公司 | Air-cooled refrigerating equipment |
| CN106524651A (en) * | 2016-10-27 | 2017-03-22 | 青岛海尔特种电冰柜有限公司 | Split type double-flow-path refrigerating equipment |
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| CN106568275A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Multi-temperature-area double-flowing-way refrigeration device |
| CN106440626A (en) * | 2016-10-27 | 2017-02-22 | 青岛海尔特种电冰柜有限公司 | Multiple-temperature zone dual-refrigerating cycle system and multiple-temperature zone refrigeration device |
| CN106568274A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Double-loop multi-temperature-zone refrigeration equipment |
| CN106568279A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Split type dual refrigerating device |
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| CN106568218A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment |
| CN106568276A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Double-loop split refrigeration device |
| CN106568273A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Split multi-temperature-zone refrigeration equipment |
| CN106568272A (en) * | 2016-10-27 | 2017-04-19 | 青岛海尔特种电冰柜有限公司 | Split type multi-temperature-zone refrigerating equipment with heat recovery function |
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| CN106679214A (en) * | 2016-10-27 | 2017-05-17 | 青岛海尔特种电冰柜有限公司 | Multi-temperature-zone refrigerating cycle system and multi-temperature-zone refrigerating equipment |
| CN106679271A (en) * | 2016-10-27 | 2017-05-17 | 青岛海尔特种电冰柜有限公司 | Outdoor unit for heat recovery type refrigeration equipment and split type refrigeration equipment |
| CN108148556A (en) * | 2017-12-25 | 2018-06-12 | 洛阳名力科技开发有限公司 | A kind of air-conditioning refrigerant |
| CN112004909A (en) * | 2018-04-25 | 2020-11-27 | 大金工业株式会社 | Refrigerant-containing composition, heat transfer medium, and heat cycle system |
| US11248152B2 (en) | 2018-04-25 | 2022-02-15 | Daikin Industries, Ltd. | Composition containing coolant, heat transfer medium and heat cycle system |
| CN112175581A (en) * | 2019-09-10 | 2021-01-05 | 冰山松洋生物科技(大连)有限公司 | Environment-friendly refrigerant and refrigerating system thereof |
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| CN111423854A (en) * | 2020-05-13 | 2020-07-17 | 全球能源互联网研究院有限公司 | Mixed cold storage medium and application thereof |
| CN112745804A (en) * | 2021-01-29 | 2021-05-04 | 青岛万宝压缩机有限公司 | Low-temperature mixed working medium and application thereof |
| CN113105869A (en) * | 2021-04-06 | 2021-07-13 | 浙江大学 | Heat pump mixed working medium and application thereof |
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