CN211575586U - Self-cascade refrigeration system combining ejector and vortex tube - Google Patents
Self-cascade refrigeration system combining ejector and vortex tube Download PDFInfo
- Publication number
- CN211575586U CN211575586U CN201922339102.7U CN201922339102U CN211575586U CN 211575586 U CN211575586 U CN 211575586U CN 201922339102 U CN201922339102 U CN 201922339102U CN 211575586 U CN211575586 U CN 211575586U
- Authority
- CN
- China
- Prior art keywords
- outlet
- vortex tube
- ejector
- condenser
- refrigerant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a self-cascade refrigeration system with an ejector and a vortex tube, which comprises a compressor, a refrigerant outlet of the compressor is connected with a refrigerant inlet of the vortex tube; the hot end outlet at the bottom of the vortex tube is connected with the refrigerant inlet of the condenser; a refrigerant outlet of the condenser connected to the working fluid inlet of the ejector; the outlet of the ejector is connected with the refrigerant inlet of the gas-liquid separator; the outlet of the cold end of the vortex tube is connected with the inlet of the high-pressure side of the evaporative condenser; the high-pressure side outlet of the evaporative condenser is connected with the refrigerant inlet of the evaporator through a second throttling valve; and a liquid phase outlet at the bottom of the gas-liquid separator is connected with a low-pressure side inlet at the right end of the bottom of the evaporative condenser through a first throttling valve. The utility model discloses an effectively at configuration sprayer and vortex tube from overlapping refrigeration system, improve the effect that the expansion work was retrieved to the sprayer as far as, be favorable to improving energy utilization to show to improve from overlapping refrigeration system's performance.
Description
Technical Field
The utility model relates to a refrigeration technology field especially relates to an ejector and vortex tube combination from overlapping refrigeration system.
Background
At present, a self-cascade refrigeration technology is widely applied to the field of low-temperature refrigeration, a traditional self-cascade refrigeration system adopts one compressor, refrigeration of different low-temperature regions can be realized, however, the low-temperature refrigeration is realized, the compression ratio of the compressor is required to be larger, the refrigeration efficiency is required to be lower, and meanwhile, the operation stability of the self-cascade refrigeration system needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical defect that prior art exists, provide an ejector and vortex tube combination from cascade refrigeration system.
Therefore, the utility model provides an ejector and vortex tube combination from cascade refrigeration system, including compressor, vortex tube, condenser, ejector, evaporative condenser, evaporimeter, vapour and liquid separator, first choke valve and second choke valve, wherein:
the refrigerant outlet of the compressor is connected with the refrigerant inlet of the vortex tube;
the hot end outlet at the bottom of the vortex tube is connected with the refrigerant inlet at the top of the condenser;
a refrigerant outlet at the bottom of the condenser connected to the working fluid inlet of the ejector;
the outlet of the ejector is connected with the refrigerant inlet of the gas-liquid separator;
a cold end outlet at the top of the vortex tube is connected with a high-pressure side inlet at the left end of the top of the evaporative condenser;
the high-pressure side outlet at the left end of the bottom of the evaporative condenser is connected with the refrigerant inlet of the evaporator through a second throttling valve;
a liquid phase outlet at the bottom of the gas-liquid separator is connected with a low-pressure side inlet at the right end of the bottom of the evaporative condenser through a first throttling valve;
the low-pressure side outlet at the right end of the top of the evaporative condenser and the refrigerant outlet of the evaporator are converged by a hollow pipeline and then connected with an injection fluid inlet of the ejector;
and the gas-phase outlet at the top of the gas-liquid separator is connected with the refrigerant inlet of the compressor.
Wherein, the condenser comprises a condensing pipeline;
the refrigerant inlet at the top of the condenser and the refrigerant outlet at the bottom of the condenser are respectively communicated with the upper end and the lower end of the condensing pipeline.
Wherein, the condenser comprises a heating pipeline;
the inlet end at the lower side of the heating pipeline is connected with an external water supply source;
the outlet end at the upper side of the heating pipeline is connected with the water using end of a user through a hollow connecting pipeline.
Wherein, the first throttle valve and the second throttle valve are both electronic expansion valves or thermal expansion valves.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a sprayer and vortex tube combination from cascade refrigeration system, its structural design science through effectively at from cascade refrigeration system configuration sprayer and vortex tube, improves the effect that the sprayer retrieved the work of expanding as far as, is favorable to improving energy utilization to showing and improving from the performance of cascade refrigeration system.
Drawings
Fig. 1 is a schematic structural diagram of a self-cascade refrigeration system combining an ejector and a vortex tube according to the present invention.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides an ejector and vortex tube combination from cascade refrigeration system, including compressor 1, vortex tube 2, condenser 3, ejector 4, evaporative condenser 5 (evaporating condenser promptly), evaporimeter 6, vapour and liquid separator 7, first choke valve 8 and second choke valve 11, wherein:
the refrigerant outlet of the compressor 1 is connected with the refrigerant inlet of the vortex tube 2;
a hot end outlet at the bottom of the vortex tube 2 is connected with a refrigerant inlet at the top of the condenser 3;
a refrigerant outlet at the bottom of the condenser 3 is connected with a working fluid inlet of the ejector 4;
the outlet of the ejector 4 is connected with the refrigerant inlet of the gas-liquid separator 7;
a cold end outlet at the top of the vortex tube 2 is connected with a high-pressure side inlet at the left end of the top of the evaporative condenser 5;
the high-pressure side outlet at the left end of the bottom of the evaporative condenser 5 is connected with the refrigerant inlet of the evaporator 6 through a second throttling valve 11;
a liquid phase outlet at the bottom of the gas-liquid separator 7 is connected with a low-pressure side inlet at the right end of the bottom of the evaporative condenser 5 through a first throttle valve 8;
a low-pressure side outlet at the right end of the top of the evaporative condenser 5 and a refrigerant outlet of the evaporator 6 are converged by a hollow pipeline and then are connected with an injection fluid inlet of the ejector 4;
and a gas phase outlet at the top of the gas-liquid separator 7 is connected with a refrigerant inlet of the compressor 1.
It should be noted that, in the utility model, the ejector can recover the expansion work and increase the energy efficiency ratio of the system; the vortex tube can carry out cold and hot separation, improves energy utilization, and the device of two kinds of structures is simple, the technical scheme of the utility model, through being applied to from overlapping refrigerating system with vortex tube and sprayer, provide a sprayer and the combination of vortex tube from overlapping refrigerating system, to refrigerating system's energy-conservation and optimization, have important meaning.
In the utility model, in the concrete implementation, a high-pressure side inlet at the left end of the top of the evaporative condenser 5 is connected with a high-pressure side outlet at the left end of the bottom of the evaporative condenser 5 through a first heat exchange tube;
and the first heat exchange pipe is positioned inside the evaporative condenser 5.
In the utility model, in the concrete implementation, a low-pressure side inlet c at the right end of the bottom of the evaporative condenser 5 is connected with a low-pressure side outlet at the right end of the top of the evaporative condenser 5 through a second heat exchange tube;
and the second heat exchange tube is positioned inside the evaporative condenser 5.
In the utility model, in the concrete implementation, the condenser 3 comprises a condensing pipeline 9;
the refrigerant inlet at the top of the condenser 3 and the refrigerant outlet at the bottom of the condenser 3 are respectively communicated with the upper end and the lower end of the condensing pipeline 9.
In the utility model, in the concrete implementation, the condenser 3 comprises a heating pipeline 10;
an inlet end of a lower side of the heating pipe 10 is connected to an external water supply source (e.g., a tap water pipe);
the outlet end of the upper side of the heating pipe 10 is connected to a user's water using end (for example, a faucet) through a hollow connection pipe.
The utility model discloses in, on specifically realizing, first choke valve 8 and second choke valve 11 are electronic expansion valve or thermal expansion valve.
The utility model discloses in, specifically realize, the utility model discloses a refrigerant in the system is non-azeotropic mixture refrigerant, and non-azeotropic mixture refrigerant comprises high boiling point refrigerant and low boiling point refrigerant.
It should be noted that, for the utility model, the compressor is connected with the vortex tube, and the hot end outlet of the vortex tube is connected with the condenser, the ejector and the gas-liquid separator in series in sequence; the cold end of the vortex tube is sequentially connected with the low-pressure side of the evaporative condenser, the first throttle valve, the evaporator and the ejector in series, and the liquid phase outlet of the gas-liquid separator is sequentially connected with the second throttle valve, the high-pressure side of the evaporative condenser and the ejector in series; and the gas-phase outlet of the gas-liquid separator is connected with the inlet of the compressor. Therefore, the self-cascade refrigeration system of the utility model utilizes the vortex tube to separate cold and heat, and the condenser is arranged at the hot end outlet of the vortex tube, thereby providing a domestic heat source for users and improving the utilization rate of energy; meanwhile, the energy of the refrigerant at the outlet of the cold end of the vortex tube is recovered through the ejector, the effect of recovering expansion work is increased, and the energy efficiency ratio of the self-cascade refrigeration system is increased. The utility model discloses a from cascade refrigeration system's compact structure, coefficient of performance height, operation are stable.
In order to understand the present invention more clearly, the following description is about the working process of the self-overlapping air source heat pump system of the present invention, as follows:
superheated refrigerant steam output from a refrigerant outlet of a compressor 1 enters a vortex tube 2, cold and heat separation is carried out in the vortex tube 2, a part of refrigerant forms medium-pressure high-temperature gaseous refrigerant in the vortex tube 2, then the refrigerant flows out from a hot end port of the vortex tube 2 to enter a condensing pipeline 9 in a condenser 3, and a large amount of heat is released through the condensing pipeline 9, during the period, a heating pipeline 10 of a user exchanges heat with the condensing pipeline 9 and absorbs the heat released by the condensing pipeline 9, so as to meet the requirement of a domestic heat source of the user, the refrigerant after heat release enters a working fluid inlet of an ejector 4, so as to inject mixed low-pressure gaseous refrigerant fluid from an outlet at the low pressure side of the evaporator 3 and an outlet at the low pressure side of an evaporative condenser 5, the mixed low-pressure gaseous refrigerant fluid is mixed and pressurized into two-phase refrigerant fluid at intermediate pressure through the ejector 4 and then enters a gas, the refrigerant is separated into two different states of saturated gas and saturated liquid, so that the separation of the gas refrigerant of low-boiling point components and the liquid refrigerant rich in high-boiling point components is realized. Wherein, saturated gaseous refrigerant enters the compressor 1; the saturated liquid refrigerant is throttled and depressurized by the first throttle valve 8, enters the high-pressure side inlet of the evaporative condenser 5, and then undergoes an evaporation and heat absorption process.
The other part of the refrigerant is cooled in the vortex tube 2 to form a medium-pressure low-temperature gaseous refrigerant, then enters a high-pressure side inlet of the evaporative condenser 5, is subjected to heat release condensation, is throttled and reduced in pressure by the second throttle valve 11, enters the evaporator 6 to absorb heat for evaporation, is mixed with the low-pressure gaseous refrigerant at the high-pressure side outlet of the evaporative condenser 5 after the refrigeration process is finished, and is injected into the ejector 3 by the medium-pressure refrigerant at the outlet of the condenser 3 to complete the whole cycle.
It should be noted that, for the present invention, any two mutually communicated components are communicated with each other through a section of pipeline, as shown in fig. 1.
Compared with the prior art, the utility model provides a pair of sprayer and vortex tube combination from cascade refrigeration system has following beneficial effect:
1. the refrigerant at the outlet of the hot end of the vortex tube is used for providing a domestic heat source, and the energy utilization rate of the self-cascade refrigeration system is improved.
2. The utility model discloses an ejector retrieves the energy of vortex tube cold junction export refrigerant, fully improves the recovery effect of ejector expansion work, has increased from the efficiency ratio of overlapping refrigeration system.
To sum up, compare with prior art, the utility model provides a pair of ejector and vortex tube combination from cascade refrigeration system, its structural design science through effectively configuring ejector and vortex tube from cascade refrigeration system, improves the effect that the ejector retrieved the work of expansion as far as, is favorable to improving energy utilization to show the performance that improves from cascade refrigeration system.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An ejector and vortex tube combined self-cascade refrigeration system comprising a compressor (1), a vortex tube (2), a condenser (3), an ejector (4), an evaporative condenser (5), an evaporator (6), a gas-liquid separator (7), a first throttle valve (8) and a second throttle valve (11), wherein:
the refrigerant outlet of the compressor (1) is connected with the refrigerant inlet of the vortex tube (2);
a hot end outlet at the bottom of the vortex tube (2) is connected with a refrigerant inlet at the top of the condenser (3);
a refrigerant outlet at the bottom of the condenser (3) is connected with a working fluid inlet of the ejector (4);
the outlet of the ejector (4) is connected with the refrigerant inlet of the gas-liquid separator (7);
a cold end outlet at the top of the vortex tube (2) is connected with a high-pressure side inlet at the left end of the top of the evaporative condenser (5);
a high-pressure side outlet at the left end of the bottom of the evaporative condenser (5) is connected with a refrigerant inlet of the evaporator (6) through a second throttling valve (11);
a liquid phase outlet at the bottom of the gas-liquid separator (7) is connected with a low-pressure side inlet at the right end of the bottom of the evaporative condenser (5) through a first throttle valve (8);
a low-pressure side outlet at the right end of the top of the evaporative condenser (5) and a refrigerant outlet of the evaporator (6) are converged by a hollow pipeline and then are connected with an injection fluid inlet of the ejector (4);
and a gas phase outlet at the top of the gas-liquid separator (7) is connected with a refrigerant inlet of the compressor (1).
2. The ejector and vortex tube combined self-cascade refrigeration system of claim 1, characterized in that the condenser (3) comprises a condensing line (9);
a refrigerant inlet at the top of the condenser (3) and a refrigerant outlet at the bottom of the condenser (3) are respectively communicated with the upper end and the lower end of the condensing pipeline (9).
3. The ejector and vortex tube combined self-cascade refrigeration system of claim 1, characterized in that the condenser (3) comprises a heating circuit (10);
the inlet end at the lower side of the heating pipeline (10) is connected with an external water supply source;
the outlet end of the upper side of the heating pipeline (10) is connected with the water using end of a user through a hollow connecting pipeline.
4. The ejector and vortex tube combined self-cascade refrigeration system of claim 1, characterized in that the first throttle valve (8) and the second throttle valve (11) are both electronic expansion valves or thermostatic expansion valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339102.7U CN211575586U (en) | 2019-12-24 | 2019-12-24 | Self-cascade refrigeration system combining ejector and vortex tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922339102.7U CN211575586U (en) | 2019-12-24 | 2019-12-24 | Self-cascade refrigeration system combining ejector and vortex tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211575586U true CN211575586U (en) | 2020-09-25 |
Family
ID=72550240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922339102.7U Expired - Fee Related CN211575586U (en) | 2019-12-24 | 2019-12-24 | Self-cascade refrigeration system combining ejector and vortex tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211575586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183942A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Heat exchange system |
-
2019
- 2019-12-24 CN CN201922339102.7U patent/CN211575586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183942A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Heat exchange system |
| CN114183942B (en) * | 2021-12-10 | 2023-01-10 | 珠海格力电器股份有限公司 | Heat exchange system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110345690B (en) | Double-ejector synergistic refrigeration cycle system for double-temperature refrigerator and working method | |
| CN104019579B (en) | Waste heat is utilized to drive the mixed working fluid low-temperature refrigeration circulating device of injector | |
| CN102287949A (en) | Self-cascade system with vortex tube | |
| CN208920650U (en) | A kind of refrigeration system | |
| KR101980332B1 (en) | Auto-cascade refrigeration system using phase change wave rotors | |
| CN101464070B (en) | Injection type low-temperature refrigerator | |
| CN211575586U (en) | Self-cascade refrigeration system combining ejector and vortex tube | |
| CN101871702A (en) | Double heat source high-efficiency absorption refrigerating plant | |
| CN101776347A (en) | Absorption type refrigerating unit with pressure recovery part | |
| CN110940105A (en) | Self-cascade refrigeration system combining ejector and vortex tube | |
| CN205481940U (en) | Water resource heat pump drive steam preparer | |
| CN202133173U (en) | Auto-cascade system with vortex tube | |
| CN113899095B (en) | Quasi-two-stage compression type circulating system with ejector for efficiency improvement | |
| CN206377883U (en) | The refrigeration system of Two-stage Compression and autocascade cycle can be realized | |
| Gao et al. | Hybrid absorption-compression heat pump with two-stage rectification and subcooler | |
| CN106705484B (en) | A kind of jetting type heat exchange system | |
| CN202915556U (en) | Device for improving thermal efficiency of gas water heater | |
| CN104990302A (en) | Jet-compression refrigeration system being provided with gas-liquid separator and using low-grade heat energy | |
| CN211372814U (en) | Ejector expansion self-cascade refrigeration system with vortex tube | |
| CN204478564U (en) | Cooling cycle system and refrigeration plant | |
| CN201340140Y (en) | Low-temperature refrigeration apparatus driven by low-temperature heat source | |
| CN202304056U (en) | Double-working medium cascade directly-heated type heat pump hot water unit | |
| CN211120090U (en) | Self-overlapping air source heat pump system for defrosting by utilizing low-boiling-point working medium hot gas | |
| CN210980197U (en) | Dilution type refrigeration heat pump system for air conditioning by using dilution heat | |
| CN107906782B (en) | Double-absorption type power-cooling combined supply circulation system and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |