CN219589088U - Energy-saving device utilizing outdoor low-temperature environment for refrigeration - Google Patents
Energy-saving device utilizing outdoor low-temperature environment for refrigeration Download PDFInfo
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- CN219589088U CN219589088U CN202320531148.2U CN202320531148U CN219589088U CN 219589088 U CN219589088 U CN 219589088U CN 202320531148 U CN202320531148 U CN 202320531148U CN 219589088 U CN219589088 U CN 219589088U
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- gas
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- heat exchanger
- pipeline
- outdoor
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 239000012530 fluid Substances 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to the technical field of refrigeration energy conservation, and discloses an energy-saving device for refrigerating by utilizing an outdoor low-temperature environment. This utilize cryogenic environment refrigerated economizer of outdoor, through reasonable arrangement such as first heat exchanger, the gas-liquid separator, each pipeline, the solenoid valve, sensor, the cooperation effect, when outdoor ambient temperature is lower, can be directly with the heat transfer of being cooled medium to outdoor environment in, the in-process need not to start the refrigeration compressor, adopt this economizer refrigerated efficiency to be the several times of refrigeration compressor efficiency, can greatly reduced refrigerating system's energy consumption, and when outdoor ambient temperature changes, can automatic switch between refrigeration compressor running mode and this economizer running mode, compare manual hand switch, automatic switch mode is more scientific and reasonable, the energy-conserving effect is better.
Description
Technical Field
The utility model relates to the technical field of refrigeration and energy conservation, in particular to an energy-saving device for refrigerating by utilizing an outdoor low-temperature environment.
Background
Under the present form, energy conservation and emission reduction are the core tasks of each enterprise, and are also important measures for reducing the running cost of the enterprise, and enterprises such as dairy factories, breweries, livestock slaughter houses, food processing factories and the like need to use a large amount of ice water with the temperature of about 2 ℃ in the production process, and ice water is usually obtained by refrigerating by utilizing a compressor, however, the mode of obtaining the ice water by refrigerating by utilizing the compressor greatly increases the energy consumption and the running cost of the enterprise, and simultaneously increases the carbon emission of the enterprise, so that an energy-saving device for refrigerating by utilizing the outdoor low-temperature environment is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an energy-saving device for refrigerating by utilizing an outdoor low-temperature environment, which has the advantages of reducing the energy consumption and the operation cost of enterprises and reducing the carbon emission of the enterprises, and solves the problems of high energy consumption and operation cost and large carbon emission of the enterprises in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an utilize outdoor cryogenic environment refrigerated economizer, includes first heat exchanger, gas-liquid separator, second heat exchanger and outdoor temperature sensor, the air inlet of first heat exchanger is connected by first gas piping with the gas outlet of gas-liquid separator, the liquid outlet of first heat exchanger is connected by first liquid piping with the inlet of gas-liquid separator, one side inlet of gas-liquid separator liquid outlet and second heat exchanger is connected through third liquid piping, one side gas outlet of gas-liquid separator air inlet and second heat exchanger is connected through third gas piping.
Preferably, the first gas pipeline and the first liquid pipeline are connected with the compressor refrigeration system through a second gas pipeline and a second liquid pipeline respectively.
Preferably, a first electromagnetic valve is arranged on the first gas pipeline, and a second electromagnetic valve is arranged on the second liquid pipeline.
Preferably, a third electromagnetic valve is arranged on the third liquid pipeline, a flow regulating valve is arranged on the third gas pipeline, and a fluid temperature sensor is arranged at one side of the second heat exchanger.
The fluid temperature sensor monitors the temperature of the fluid at the secondary side, when the temperature of the fluid at the two sides is lower than the temperature required by the production process, the flow regulating valve can close the opening of the valve to control the evaporation temperature in one side of the second heat exchanger, so that the temperature of the fluid at the two sides of the second heat exchanger is controlled, and when the temperature of the fluid at the two sides is reduced to the lower limit of the set temperature, the third electromagnetic valve is closed to stop supplying liquid into the second heat exchanger.
Preferably, the first heat exchanger is provided with a plurality of variable speed fans which are linearly distributed, and the gas-liquid separator is provided with a pressure sensor.
Compared with the prior art, the utility model provides an energy-saving device for refrigerating by utilizing an outdoor low-temperature environment, which has the following beneficial effects:
this utilize cryogenic environment refrigerated economizer of outdoor, through reasonable arrangement such as first heat exchanger, the gas-liquid separator, each pipeline, the solenoid valve, sensor, the cooperation effect, when outdoor ambient temperature is lower, can be directly with the heat transfer of being cooled medium to outdoor environment in, the in-process need not to start the refrigeration compressor, adopt this economizer refrigerated efficiency to be the several times of refrigeration compressor efficiency, can greatly reduced refrigerating system's energy consumption, and when outdoor ambient temperature changes, can automatic switch between refrigeration compressor running mode and this economizer running mode, compare manual hand switch, automatic switch mode is more scientific and reasonable, the energy-conserving effect is better.
Drawings
FIG. 1 is a schematic flow chart of the system of the present utility model.
Wherein: 1. a first heat exchanger; 2. a gas-liquid separator; 3. a second heat exchanger; 4. an outdoor temperature sensor; 5. a first gas line; 6. a first liquid line; 7. a second gas line; 8. a second liquid line; 9. a third gas line; 10. a third liquid line; 11. a first electromagnetic valve; 12. a second electromagnetic valve; 13. a third electromagnetic valve; 14. a flow regulating valve; 15. a fluid temperature sensor; 16. a pressure sensor; 17. a variable speed fan.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses an energy-saving device for refrigerating by utilizing an outdoor low-temperature environment.
Referring to fig. 1, an energy-saving device for refrigerating by using an outdoor low-temperature environment comprises a first heat exchanger 1, a gas-liquid separator 2, a second heat exchanger 3 and an outdoor temperature sensor 4, wherein an air inlet of the first heat exchanger 1 is connected with an air outlet of the gas-liquid separator 2 through a first gas pipeline 5, a liquid outlet of the first heat exchanger 1 is connected with a liquid inlet of the gas-liquid separator 2 through a first liquid pipeline 6, a liquid outlet of the gas-liquid separator 2 is connected with a liquid inlet on one side of the second heat exchanger 3 through a third liquid pipeline 10, and an air inlet of the gas-liquid separator 2 is connected with an air outlet on one side of the second heat exchanger 3 through a third gas pipeline 9.
When the gas-liquid separator is used, the gas-state refrigerant enters the first heat exchanger 1 from the gas-liquid separator 2 through the first gas pipeline 5, exchanges heat with outdoor air with lower temperature in the first heat exchanger 1, is condensed into liquid-state refrigerant, then enters the gas-liquid separator 2 through the first liquid pipeline 6, enters the second heat exchanger 3 through the third liquid pipeline 10, exchanges heat with fluid on one side of the second heat exchanger 3, is heated by the fluid on one side and is evaporated into gas-state refrigerant, a small amount of refrigerant liquid drops doped with the gas-state refrigerant enter the gas-liquid separator 2 through the third gas pipeline 9 to perform gas-liquid separation, wherein the gas-state refrigerant enters the first heat exchanger 1 again through the first gas pipeline 5, is condensed into liquid-state refrigerant again by the outdoor air with lower temperature, and enters the gas-liquid separator 2 through the first liquid pipeline 6 to circulate like.
Referring to fig. 1, a first gas pipeline 5 and a first liquid pipeline 6 are respectively connected with a compressor refrigerating system through a second gas pipeline 7 and a second liquid pipeline 8, a first electromagnetic valve 11 is arranged on the first gas pipeline 5, a second electromagnetic valve 12 is arranged on the second liquid pipeline 8, when the outdoor air temperature is lower than a certain set value, the second electromagnetic valve 12 can be automatically closed, the compressor is closed at the same time, the compressor is stopped, the compressor refrigerating operation mode is stopped, the first electromagnetic valve 11 and a variable speed fan 17 are started, and the energy-saving device refrigerating operation mode is entered.
Referring to fig. 1, a third electromagnetic valve 13 is disposed on a third liquid pipeline 10, a flow regulating valve 14 is disposed on a third gas pipeline 9, a fluid temperature sensor 15 is disposed at a fluid position at one side of the second heat exchanger 3, the fluid temperature sensor 15 monitors the temperature of the fluid at the secondary side, when the fluid temperature at both sides is lower than the temperature required by the production process, the flow regulating valve 14 closes the opening of the valve to control the evaporation temperature in one side of the second heat exchanger 3, thereby controlling the fluid temperature at both sides of the second heat exchanger 3, and when the fluid temperature at both sides is reduced to a lower limit of the set temperature, the third electromagnetic valve 13 is closed to stop the supply of liquid into the second heat exchanger 3.
Referring to fig. 1, a plurality of variable speed fans 17 are arranged on a first heat exchanger 1, the variable speed fans are linearly distributed, a pressure sensor 16 is arranged on a gas-liquid separator 2, the pressure sensor 16 detects the pressure in the gas-liquid separator 2, when the pressure is lower than a set pressure value, the rotation speed of the variable speed fans 17 is reduced, when the pressure sensor 16 detects that the pressure value is higher than the set pressure value, the rotation speed of the variable speed fans 17 is increased, when all the variable speed fans 17 are at the highest rotation speed, and when the pressure sensor 16 detects that the pressure value is still higher than the set pressure value, the second electromagnetic valve 12 is opened, a compressor refrigerating system is started, and the compressor refrigerating system is used for assisting in refrigerating.
The implementation principle of the energy-saving device for refrigerating by utilizing the outdoor low-temperature environment in the embodiment of the utility model is as follows: the gaseous refrigerant enters the first heat exchanger 1 from the gas-liquid separator 2 through the first gas pipeline 5, exchanges heat with outdoor air with lower temperature in the first heat exchanger 1, is condensed into liquid refrigerant, then enters the gas-liquid separator 2 through the first liquid pipeline 6, enters the second heat exchanger 3 through the third liquid pipeline 10, exchanges heat with fluid on one side of the second heat exchanger 3, is heated by the fluid on one side and is evaporated into gaseous refrigerant, a small amount of refrigerant liquid drops doped in the gaseous refrigerant enter the gas-liquid separator 2 through the third gas pipeline 9 to perform gas-liquid separation, wherein the gaseous refrigerant enters the first heat exchanger 1 again through the first gas pipeline 5 and is condensed into liquid refrigerant by the outdoor air with lower temperature again, and the liquid refrigerant enters the gas-liquid separator 2 through the first liquid pipeline 6.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional types in the prior art, the circuit connection adopts conventional connection modes in the prior art, the details are not described herein, and the structures and principles of the parts known to the skilled in the art are known by the skilled artisan through technical manuals or by conventional experimental methods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an utilize energy-saving device of outdoor low temperature environment refrigeration, includes first heat exchanger (1), gas-liquid separator (2), second heat exchanger (3) and outdoor temperature sensor (4), its characterized in that: the air inlet of the first heat exchanger (1) is connected with the air outlet of the gas-liquid separator (2) through a first gas pipeline (5), the liquid outlet of the first heat exchanger (1) is connected with the liquid inlet of the gas-liquid separator (2) through a first liquid pipeline (6), the liquid outlet of the gas-liquid separator (2) is connected with one side liquid inlet of the second heat exchanger (3) through a third liquid pipeline (10), and the air inlet of the gas-liquid separator (2) is connected with one side air outlet of the second heat exchanger (3) through a third gas pipeline (9).
2. An energy saving device for cooling by outdoor low temperature environment according to claim 1, wherein: the first gas pipeline (5) and the first liquid pipeline (6) are connected with a compressor refrigerating system through a second gas pipeline (7) and a second liquid pipeline (8) respectively.
3. An energy saving device for cooling by outdoor low temperature environment according to claim 2, wherein: the first gas pipeline (5) is provided with a first electromagnetic valve (11), and the second liquid pipeline (8) is provided with a second electromagnetic valve (12).
4. An energy saving device for cooling by outdoor low temperature environment according to claim 1, wherein: the third liquid pipeline (10) is provided with a third electromagnetic valve (13), the third gas pipeline (9) is provided with a flow regulating valve (14), and a fluid temperature sensor (15) is arranged at a fluid position at one side of the second heat exchanger (3).
5. An energy saving device for cooling by outdoor low temperature environment according to claim 1, wherein: the variable speed fans (17) which are linearly distributed are arranged on the first heat exchanger (1), and the pressure sensor (16) is arranged on the gas-liquid separator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320531148.2U CN219589088U (en) | 2023-03-17 | 2023-03-17 | Energy-saving device utilizing outdoor low-temperature environment for refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320531148.2U CN219589088U (en) | 2023-03-17 | 2023-03-17 | Energy-saving device utilizing outdoor low-temperature environment for refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589088U true CN219589088U (en) | 2023-08-25 |
Family
ID=87665395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320531148.2U Active CN219589088U (en) | 2023-03-17 | 2023-03-17 | Energy-saving device utilizing outdoor low-temperature environment for refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589088U (en) |
-
2023
- 2023-03-17 CN CN202320531148.2U patent/CN219589088U/en active Active
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