CN106568218A - Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment - Google Patents
Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment Download PDFInfo
- Publication number
- CN106568218A CN106568218A CN201610952352.6A CN201610952352A CN106568218A CN 106568218 A CN106568218 A CN 106568218A CN 201610952352 A CN201610952352 A CN 201610952352A CN 106568218 A CN106568218 A CN 106568218A
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- CN
- China
- Prior art keywords
- vaporizer
- temperature zone
- heat exchanger
- circuit system
- refrigerating circuit
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
Abstract
The invention provides a multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment. The multi-temperature-zone refrigerating loop system comprises a compressor and a condenser which are connected together, and further comprises a first evaporator, a second evaporator, a gas-liquid separator and a heat exchanger; an outlet of the condenser is connected with an inlet of the gas-liquid separator; an air outlet of the gas-liquid separator is connected with a first heat exchange channel of the heat exchanger, the first heat exchange channel is connected with the second evaporator through a second capillary pipe, and an outlet of the second evaporator is connected with an inlet of the compressor; a liquid outlet of the gas-liquid separator is connected with a second heat exchange channel of the heat exchanger through a first capillary pipe, an inlet of the first evaporator is connected with the second heat exchange channel of the heat exchanger, and an outlet of the first evaporator is connected with the inlet of the compressor. The energy using rate and the refrigeration performance of the system are improved, the refrigerating temperature zone is enlarged, and therefore the universality is improved.
Description
Technical field
The present invention relates to refrigeration plant, more particularly to a kind of multi-temperature zone refrigerating circuit system and multi-temperature zone refrigeration plant.
Background technology
At present, refrigeration plant（Refrigerator, refrigerator etc.）In being widely used in daily life.With the life of people
Running water is flat to be improved constantly, people to food and refrigeration plant the aspect such as environmental protection, energy-conservation, fresh-keeping requirement more and more higher, it is single
The refrigerating appliances such as the refrigerator of storage warm area and two storage warm areas can not slowly meet the storage requirements of people's different food products, and drinks is needed
5 ~ 20 DEG C of warm area is stored at, fruit and vegetable will be stored at the storage of the product neededs such as 0 ~ 8 DEG C of warm area, common meat, Fish
- 18 DEG C are ensconced, and some Special foods need ultralow temperature storage, such as tuna to need the environment for being stored at -55 DEG C or so
In, just can guarantee that the deliciousness of its meat.In prior art, the refrigeration plant with multi-temperature zone refrigerating function, generally using cold
Distribution coordinates corresponding automatically controlled control strategy, of the prior art many to realize that multi-temperature zone is freezed, and in actual use
On the one hand warm area refrigeration plant widens that heat transfer temperature energy utilization rate is low, and another aspect control system is loaded down with trivial details, uses in user
Easily occurs the problem that certain temperature refrigeration difference is not even freezed in journey；Importantly, can not realize between different warm areas big
The refrigeration of the temperature difference, cryogenic temperature is interval less.How a kind of energy utilization rate height, cryogenic temperature interval big, highly versatile are designed
Multi-temperature zone refrigeration plant be the technical problem to be solved.
The content of the invention
The technical problem to be solved is：A kind of multi-temperature zone refrigerating circuit system is provided and multi-temperature zone refrigeration sets
It is standby, realize improving the manufacturing cost of kind of refrigeration cycle system and improving refrigeration performance.
The present invention provide technical scheme be, a kind of multi-temperature zone refrigerating circuit system, including the compressor for linking together
And condenser, also including the first vaporizer, the second vaporizer, gas-liquid separator and heat exchanger, the outlet of the condenser and institute
State the import connection of gas-liquid separator；The first heat exchanger channels connection of the gas outlet of the gas-liquid separator and the heat exchanger,
First heat exchanger channels are connected by the second capillary tube with second vaporizer, the outlet connection institute of second vaporizer
State the import of compressor；The liquid outlet of the gas-liquid separator passes through the second heat exchanger channels of the first capillary tube and the heat exchanger
Connection, the import of first vaporizer is connected with the second heat exchanger channels of the heat exchanger, the outlet of first vaporizer
It is connected with the import of the compressor.
Multi-temperature zone refrigerating circuit system and multi-temperature zone refrigeration plant that the present invention is provided, by by gaseous state in gas-liquid separator
It is delivered to respectively in different vaporizers with the cold-producing medium of liquid, gaseous refrigerant will be transported to the second vaporizer through heat exchanger
In carry out the refrigeration of profound hypothermia, and liquid refrigerant is entered in the first vaporizer after capillary-compensated and carries out low hypothermia
Refrigeration, and in order to effectively widen temperature range, the cold-producing medium exported from the first vaporizer is by heat exchange and enters into second
Cold-producing medium in vaporizer carries out heat exchange, so that the cryogenic temperature of the second vaporizer is lower, realizes what multi-temperature zone was freezed
Effect, and complicated control program need not be adopted, and heat exchanger can effectively improve efficiency, reducing energy consumption, realize improving
Multi-temperature zone refrigerating circuit system energy utilization rate height and refrigeration performance, expand cryogenic temperature interval to improve versatility.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are these
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram one of multi-temperature zone refrigerating circuit system embodiment of the present invention；
Fig. 2 is the schematic diagram two of multi-temperature zone refrigerating circuit system embodiment of the present invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the present embodiment multi-temperature zone refrigerating system, including the compressor 1 and condenser 2 that link together, also
Including the first vaporizer 4, the second vaporizer 5, gas-liquid separator 3 and heat exchanger 6, the outlet of the condenser 2 and the gas-liquid
The import connection of separator 3；The first heat exchanger channels connection of the gas outlet of the gas-liquid separator 3 and the heat exchanger 6, it is described
First heat exchanger channels are connected by the second capillary tube 81 with the import of second vaporizer 5, the outlet of second vaporizer 5
Connect the import of the compressor 1；The liquid outlet of the gas-liquid separator 3 is by first capillary tube 7 and the heat exchanger 6
The connection of the second heat exchanger channels, the import of first vaporizer 4 connects the second heat exchanger channels of the heat exchanger 6, described the
One vaporizer 4 is connected with the import of the compressor 1.
Specifically, the present embodiment multi-temperature zone refrigerating circuit system cold-producing medium forms high temperature, high pressure through the compression of compressor 1
Superheated refrigerant gas, refrigerant gas are condensed into condenser 2, using the dew of high low boiling point refrigerant in cold-producing medium
Point temperature is different, is formed after refrigerant gas condensation and is rich in high boiling point refrigerant liquid and rich in low boiling point refrigerant gas two
Phase cold-producing medium, the cold-producing medium is separated into gas-liquid separator 3.Liquid phase refrigerant rich in high boiling point cold-producing medium is from gas-liquid point
Liquid outlet from device 3 is exported, after throttling via the first capillary tube 7, after being exchanged heat into the second heat exchanger channels in heat exchanger 6
Enter back into in the first vaporizer 4, cold-producing medium is transmitted back to compressor 1 after the first vaporizer 4 is exchanged heat；Vapor phase refrigerant elder generation
Liquid phase refrigerant, liquid phase refrigeration are formed after the cold of the cold-producing medium that the liquid outlet output of gas-liquid separator 3 is absorbed into heat exchanger 6
Agent enters formation gas refrigerant after the second vaporizer 5 exchanges heat after the throttling of the second capillary tube 81 and flows back to compressor 1.It is preferred that
, as shown in Fig. 2 the present embodiment multi-temperature zone refrigerating circuit system also includes regenerator 8, it is provided with the regenerator 8 mutually
Second capillary tube 81 of heat exchange and product heat cal rod 82, second vaporizer 5 and first vaporizer 4 pass through respectively institute
State product heat cal rod 82 to be connected with the import of the compressor 1.Specifically, the second vaporizer 5 and the first vaporizer 4 are formed after exchanging heat
Gas refrigerant is entered in the product heat cal rod 82 of regenerator 8, after the capillary tube 81 of product heat cal rod 82 and second is exchanged heat, can be more
The temperature that the second vaporizer 5 can freeze is effectively reduced, the refrigeration of more low temperature is obtained, and more effectively utilizes energy
Consumption, improves efficiency.Specifically, regenerator can recycle cold-producing medium in return-air cold improve system energy utilization rate,
Complicated control program is not needed, it is ensured that the performance of product is also ensure that while product cost.
In actual use, the first vaporizer 4 is used for cold preservation or the freezing of routine, and for the second vaporizer 5 is removed
Can be used in outside conventional freezing, cryogenic refrigeration can also be realized, coordinate different cold-producing mediums to realize large span temperature
The refrigeration of scope, the present embodiment multi-temperature zone refrigerating circuit system adopts mix refrigerant, the mix refrigerant to include various systems
Cryogen, for example：The mix refrigerant is the mixture of R600a and R290；Or, the mix refrigerant is R600 and R290
Mixture；Or, the mix refrigerant is the mixture of R600a and R600；Or, the mix refrigerant is R600a
With the mixture of R170；Or, the mix refrigerant is the mixture of R290 and R170；Or, the mix refrigerant is
The mixture of R600a, R290 and R170.Different storage warm areas, working medium can be formed by different non-public boiling mix refrigerants
To R600a/R290：It is capable of achieving -18 ~ -30 DEG C of storage warm areas and -30 ~ -40 DEG C of storage warm areas；Working medium is to R600/R290：Can be real
Existing -6 ~ -18 DEG C of storage warm areas and -30 ~ -40 DEG C of storage warm areas；Working medium is to R600/R600a：Be capable of achieving 0 ~ 9 DEG C storage warm area and-
6 ~ -12 DEG C of storage warm areas；Working medium is to R600a/R170：It is capable of achieving -18 ~ -30 DEG C of storage warm areas and -40 ~ -60 DEG C of storage warm areas；
Working medium is to R290/R170：It is capable of achieving -20 ~ -40 DEG C of storage warm areas and -40 ~ -60 DEG C is stored warm area etc..
Wherein, according to the setting of varying number warm area, the first vaporizer 4 and the second vaporizer 5 can adopt many height
Vaporizer is constituted, and can be being applied in combination by the way of serial or parallel connection between sub- vaporizer.In addition, relevant heat exchanger 6 its
Performance entity can be using plate type heat exchanger or casing type heat exchanging.
The present invention also provides a kind of multi-temperature zone refrigeration plant, including multiple refrigeration compartments, also freezes including above-mentioned multi-temperature zone
Circuit system, the vaporizer in the multi-temperature zone refrigerating circuit system is arranged in the corresponding refrigeration compartment.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of multi-temperature zone refrigerating circuit system, including the compressor and condenser that link together, it is characterised in that also include
First vaporizer, the second vaporizer, gas-liquid separator and heat exchanger, the outlet of the condenser is entered with the gas-liquid separator
Mouth connection；The first heat exchanger channels connection of the gas outlet of the gas-liquid separator and the heat exchanger, first heat exchanger channels
It is connected with second vaporizer by the second capillary tube, the import of the outlet connection compressor of second vaporizer；
The liquid outlet of the gas-liquid separator is connected by the first capillary tube with the second heat exchanger channels of the heat exchanger, and described first steams
The import for sending out device is connected with the second heat exchanger channels of the heat exchanger, the outlet of first vaporizer and entering for the compressor
Mouth connection.
2. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that also including regenerator, the backheat
Second capillary tube and product heat cal rod of mutual heat exchange, second vaporizer and first vaporizer point are provided with device
It is not connected with the import of the compressor by the product heat cal rod.
3. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that first vaporizer includes multiple
The multiple first sub- vaporizers being arranged in parallel.
4. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that first vaporizer includes multiple
The multiple first sub- vaporizers being arranged in series.
5. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that second vaporizer includes multiple
The multiple second sub- vaporizers being arranged in parallel.
6. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that second vaporizer includes multiple
The multiple second sub- vaporizers being arranged in series.
7. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that the multi-temperature zone refrigerating circuit system
Using Mix refrigerant cycle, the Mix refrigerant cycle includes various refrigeration working mediums.
8. multi-temperature zone refrigerating circuit system according to claim 7, it is characterised in that the Mix refrigerant cycle is
The mixture of R600a and R290；Or, the Mix refrigerant cycle is the mixture of R600 and R290；Or, the mixing system
Cold working medium is the mixture of R600a and R600；Or, the Mix refrigerant cycle is the mixture of R600a and R170；Or,
The Mix refrigerant cycle is the mixture of R290 and R170；Or, the Mix refrigerant cycle is R600a, R290 and R170
Mixture.
9. multi-temperature zone refrigerating circuit system according to claim 1, it is characterised in that the heat exchanger is plate-type heat-exchange
Device or casing type heat exchanging.
10. a kind of multi-temperature zone refrigeration plant, including multiple refrigeration compartments, it is characterised in that also include as claim 1-9 is arbitrary
Described multi-temperature zone refrigerating circuit system, the vaporizer in the multi-temperature zone refrigerating circuit system is arranged on the corresponding refrigeration
In compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952352.6A CN106568218A (en) | 2016-10-27 | 2016-10-27 | Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952352.6A CN106568218A (en) | 2016-10-27 | 2016-10-27 | Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568218A true CN106568218A (en) | 2017-04-19 |
Family
ID=58535225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610952352.6A Pending CN106568218A (en) | 2016-10-27 | 2016-10-27 | Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425140A (en) * | 2017-09-01 | 2019-03-05 | 青岛海尔特种电冰柜有限公司 | Refrigerating circuit and refrigeration equipment based on non-azeotropic mixed working medium |
| CN113531932A (en) * | 2021-03-22 | 2021-10-22 | 青岛海尔特种电冰柜有限公司 | Binary mixed working medium refrigerating system, refrigerating cabinet and control method of refrigerating cabinet |
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| CN1789367A (en) * | 2005-12-09 | 2006-06-21 | 西安交通大学 | Multi-element mixed working substance adapted to double temperature preparation of single-unit vapor compression type refrigerator |
| CN202229501U (en) * | 2011-09-22 | 2012-05-23 | 常州剑湖金城车辆设备有限公司 | Multi-split refrigerator |
| US20140298854A1 (en) * | 2013-04-04 | 2014-10-09 | General Electric Company | Dual evaporator refrigeration system with zeotropic refrigerant mixture |
| CN105157265A (en) * | 2015-07-29 | 2015-12-16 | 西安交通大学 | Vapor compression type refrigerating cycle system provided with regenerator used for freezer and refrigerator |
-
2016
- 2016-10-27 CN CN201610952352.6A patent/CN106568218A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789367A (en) * | 2005-12-09 | 2006-06-21 | 西安交通大学 | Multi-element mixed working substance adapted to double temperature preparation of single-unit vapor compression type refrigerator |
| CN202229501U (en) * | 2011-09-22 | 2012-05-23 | 常州剑湖金城车辆设备有限公司 | Multi-split refrigerator |
| US20140298854A1 (en) * | 2013-04-04 | 2014-10-09 | General Electric Company | Dual evaporator refrigeration system with zeotropic refrigerant mixture |
| CN105157265A (en) * | 2015-07-29 | 2015-12-16 | 西安交通大学 | Vapor compression type refrigerating cycle system provided with regenerator used for freezer and refrigerator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425140A (en) * | 2017-09-01 | 2019-03-05 | 青岛海尔特种电冰柜有限公司 | Refrigerating circuit and refrigeration equipment based on non-azeotropic mixed working medium |
| CN109425140B (en) * | 2017-09-01 | 2020-12-18 | 青岛海尔特种电冰柜有限公司 | Refrigeration circuit and refrigeration plant based on non-azeotropic mixed working medium |
| CN113531932A (en) * | 2021-03-22 | 2021-10-22 | 青岛海尔特种电冰柜有限公司 | Binary mixed working medium refrigerating system, refrigerating cabinet and control method of refrigerating cabinet |
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Application publication date: 20170419 |
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