CN106568277A - Multi-temperature-area double-refrigeration equipment - Google Patents
Multi-temperature-area double-refrigeration equipment Download PDFInfo
- Publication number
- CN106568277A CN106568277A CN201610955678.4A CN201610955678A CN106568277A CN 106568277 A CN106568277 A CN 106568277A CN 201610955678 A CN201610955678 A CN 201610955678A CN 106568277 A CN106568277 A CN 106568277A
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- Prior art keywords
- heat exchanger
- vaporizer
- condenser
- heat
- gas
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Classifications
-
- 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
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Abstract
The invention provides multi-temperature-area double-refrigeration equipment. The equipment comprises double refrigeration systems, a fan, an outdoor unit shell and multiple independent indoor storage cabinets; a first condenser in the double refrigeration systems is connected with a first gas-liquid separator; the first gas-liquid separator is connected with a first heat exchanger; the first heat exchanger is connected with a second evaporator; the first gas-liquid separator is connected with a first evaporator; the first evaporator is connected with the first heat exchanger; the second evaporator and the first heat exchanger are respectively connected with a first compressor through a third heat exchanger; a third capillary pipe and a first heat return pipe for exchanging heat with each other are arranged in a first heat regenerator; a fourth capillary pipe and a second heat return pipe for exchanging heat with each other are arranged in a second heat regenerator; a heat exchange channel 2 of the second heat exchanger is connected with an inlet of the second compressor through the first heat return pipe; and an outlet of a fourth evaporator is connected with an inlet of the second compressor through the second heat return pipe. The equipment realizes improvement of the energy utilization rate and the refrigeration performance, and widens the refrigeration temperature section to improve the generality.
Description
Technical field
The present invention relates to refrigeration plant, more particularly to a kind of double refrigeration plants of multi-temperature zone.
Background technology
At present, refrigeration plant(Refrigerator, refrigerator etc.)It is 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
It is stored at 5 ~ 20 DEG C of warm area, fruit and vegetable will be stored at 0 ~ 8 DEG C of warm area, the product needed storage such as 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, to realize that multi-temperature zone is freezed, and in actual use, of the prior art many
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 are 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:There is provided a kind of multi-temperature zone double refrigeration plants, realize improving multi-temperature zone pair
Refrigeration plant energy utilization rate height and refrigeration performance, expand cryogenic temperature interval to improve versatility.
The technical scheme that the present invention is provided is, the double refrigeration plant of a kind of multi-temperature zone, it is characterised in that including double refrigeration systems
System, blower fan, outdoor machine shell and multiple independent indoor lockers;Described pair of refrigeration system includes the first compressor, the second compression
Machine, the first vaporizer, the second vaporizer, the 3rd vaporizer, the 4th vaporizer, the first gas-liquid separator, the second gas-liquid separator,
First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the first condenser, the second condenser, the first regenerator and the second backheat
Device;First compressor, second compressor, first condenser, second condenser and the blower fan are arranged
In the outdoor machine shell, first vaporizer, the second vaporizer, the 3rd vaporizer, the 4th vaporizer are arranged on corresponding
In the indoor locker;The import of first vaporizer is connected with the first capillary tube, and the import of second vaporizer connects
The second capillary tube is connected to, the outlet of first condenser is connected with the import of first gas-liquid separator;First gas
The heat exchanger channels one of the gas outlet of liquid/gas separator and the First Heat Exchanger connect, and the heat exchanger channels one of the First Heat Exchanger lead to
Cross second capillary tube to be connected with second vaporizer, the liquid outlet of first gas-liquid separator passes through described first mao
Tubule is connected with first vaporizer, and the outlet of first vaporizer is connected with the heat exchanger channels two of the First Heat Exchanger
Connect, the outlet of second vaporizer and the heat exchanger channels two of the First Heat Exchanger pass through changing for the 3rd heat exchanger respectively
The passage of heat two is connected with the import of first compressor;The 3rd capillary of mutual heat exchange is provided with first regenerator
Pipe and the first product heat cal rod, are provided with the 4th capillary tube and the second product heat cal rod of mutual heat exchange in second regenerator,
The import exported by the heat exchanger channels one of the 3rd heat exchanger with second gas-liquid separator of second condenser
Connection;The heat exchanger channels one of the gas outlet of second gas-liquid separator and second heat exchanger connect, second heat exchange
The heat exchanger channels one of device are connected with the 4th vaporizer by the 4th capillary tube, and second gas-liquid separator goes out liquid
Mouth is connected with the 3rd vaporizer by the three capillary, outlet and second heat exchanger of the 3rd vaporizer
Heat exchanger channels two connect, the heat exchanger channels two of second heat exchanger pass through first product heat cal rod and second compressor
Import connection, the outlet of the 4th vaporizer is connected with the import of second compressor by second product heat cal rod.
The double refrigeration plants of multi-temperature zone that the present invention is provided, using the refrigeration system of two independent loops, for each refrigeration
System is delivered to the cold-producing medium of gaseous state in gas-liquid separator and liquid in different vaporizers respectively, and gaseous refrigerant will be passed through
Heat exchanger carries out the refrigeration of profound hypothermia in being transported to profound hypothermia vaporizer, and liquid refrigerant is entered after capillary-compensated
The refrigeration of low hypothermia is carried out in low hypothermia vaporizer, and in order to effectively widen temperature range, it is defeated from low hypothermia vaporizer
The cold-producing medium for going out carries out heat exchange with the cold-producing medium entered in low hypothermia vaporizer by heat exchange, so that low hypothermia evaporation
The cryogenic temperature of device is lower, realizes the effect of multi-temperature zone refrigeration, and need not adopt complicated control program, and heat exchanger energy
Efficiency is effectively improved enough, reducing energy consumption is realized improving air cooling refrigeration equipment energy utilization rate height and refrigeration performance, expands system
Cold temperature range is improving versatility;And exchanged heat by the 3rd heat exchanger between two independent refrigeration systems, Neng Gougeng
The temperature difference between each vaporizer is further widened, lower temperature on the one hand can be obtained, on the other hand can be more effective
Raising use 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
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 structure principle chart of the double refrigeration plant embodiments of multi-temperature zone of the present invention
Fig. 2 is the schematic diagram of the double refrigeration plant embodiments of multi-temperature zone of the present invention.
Fig. 3 is the structural representation of condenser 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-Figure 3, the double refrigeration plants of the present embodiment multi-temperature zone, using split-type structural, including outdoor machine shell 101
With multiple independent indoor lockers 102, outdoor machine shell 101 is placed on the outside of wall 100, and indoor locker 102 is placed
In the inner side of wall 100, wherein, the compressor, condenser, throttling arrangement and blower fan in double refrigeration systems(It is not shown)In portion
Part is disposed in the outdoor in casing 101, and the vaporizer of double refrigeration systems is arranged in corresponding indoor locker 102.In reality
During use, as compressor is arranged in the outdoor machine shell 101 of outside, the noise and heat that compressor operating is produced will not
Impact is produced on indoor, the comfortableness that user uses indoors can be effectively improved, user experience is improved.Meanwhile, by
In using multiple independent indoor lockers 102, indoor locker 102 is made in being placed as required on different rooms
With to meet the demand of not chummery freezing or chilled goods.Wherein, circulated air is additionally provided with the indoor locker 102
Fan(It is not shown), the air circulation flow in indoor locker 102 can be realized using circulating fan, to improve indoor locker
Temperature distribution evenness in 102.In addition, according to user's needs, the indoor locker 102 can be horizontal counter body or vertical
Formula cabinet or wall-mounted cabinet.
Wherein, the double refrigeration systems in the present embodiment include the refrigeration system of two sets of independent loops:Refrigeration system one and system
Cooling system two, carries out heat exchange by the 3rd heat exchanger 63 between two refrigeration systems, specific as follows:
Refrigeration system one includes the first compressor 11 for linking together and the first condenser 21, also including the first vaporizer 41,
Second vaporizer 42, the first gas-liquid separator 31 and First Heat Exchanger 61;The outlet of first condenser 21 and described first
The import connection of gas-liquid separator 31;The gas outlet of first gas-liquid separator 31 and the heat exchange of the First Heat Exchanger 61 are logical
Road one connects, and the heat exchanger channels one of First Heat Exchanger are connected with the import of second vaporizer 42 by the second capillary tube 421;
Import of the liquid outlet of first gas-liquid separator 31 by first capillary tube 411 with first vaporizer 41 connects
Connect, the outlet of first vaporizer 41 is connected with the heat exchanger channels two of the First Heat Exchanger 61, second vaporizer 42
Outlet and First Heat Exchanger 61 heat exchanger channels two by the heat exchanger channels one of the 3rd heat exchanger 63 and the described first pressure
The import connection of contracting machine 11.
Refrigeration system two includes the second compressor 12 for linking together and the second condenser 22, also including the 3rd vaporizer
43rd, the 4th vaporizer 44, the second gas-liquid separator 32, the second heat exchanger 62, the first regenerator 51 and the second regenerator 52;It is described
Import of the outlet of the second condenser 22 by the heat exchanger channels two of the 3rd heat exchanger 63 with second gas-liquid separator 32 connects
Connect, the heat exchanger channels one of the gas outlet of second gas-liquid separator 32 and second heat exchanger 62 connect, the second heat exchanger
62 heat exchanger channels one are connected with the import of the 4th vaporizer 44 by the 4th capillary tube 441;Second gas-liquid separation
The liquid outlet of device 32 is connected with the import of the 3rd vaporizer 43 by the three capillary 431, the 3rd vaporizer
43 outlet is connected with the heat exchanger channels two of second heat exchanger 62, and the heat exchanger channels two of the second heat exchanger 62 pass through first time
First product heat cal rod of hot device 51 is connected with the import of second compressor 12, and the outlet of the 4th vaporizer 44 is by described
Second product heat cal rod of the second regenerator 52 is connected with the import of second compressor 12.
Specifically, the double refrigeration systems of the present embodiment multi-temperature zone adopt the refrigeration system of two heat exchanges and independent loops,
By taking refrigeration system one as an example:Cold-producing medium forms the superheated refrigerant gas of high temperature, high pressure, refrigeration through the compression of the first compressor 11
Agent gas is condensed into the first condenser 21, and the dew point temperature using high low boiling point refrigerant in cold-producing medium is different, refrigeration
Formed rich in high boiling point refrigerant liquid and the two phase refrigerant rich in low boiling point refrigerant gas, the refrigeration after the condensation of agent gas
Agent is separated into the first gas-liquid separator 31.Liquid phase refrigerant rich in high boiling point cold-producing medium is from the first gas-liquid separator 31
Liquid outlet output, via the first capillary tube 411 throttle after, enter into after the first vaporizer 41 is exchanged heat and form biphase refrigeration
Agent is entered in the heat exchanger channels two of First Heat Exchanger 61, and vapor phase refrigerant is introduced into First Heat Exchanger 61 and absorbs the first vaporizer
Liquid phase refrigerant is formed after the cold of the cold-producing mediums of 41 outputs, liquid phase refrigerant enters the after the throttling of the second capillary tube 421
Two vaporizers 42 exchange heat;The cold-producing medium exported from the heat exchanger channels two and the second vaporizer 42 of First Heat Exchanger 61 is transported to the 3rd
Carry out being formed after heat exchange with the cold-producing medium of the output of the second condenser 22 in refrigeration system two in the heat exchanger channels one of heat exchanger 62
Gas refrigerant is flowed back in the first compressor 11.And for refrigeration system two, the refrigeration as more low temperature will be realized, and increased
First regenerator 51 and the second regenerator 52, specifically, cold-producing medium is entered into after the 3rd vaporizer 43 is exchanged heat and forms biphase
Cold-producing medium enters and saturation refrigerant gas is further exchanged heat in the second heat exchanger 62, and subsequent refrigerant gas enter the first backheat
The first product heat cal rod in device 51, the first product heat cal rod are exchanged heat with three capillary 431, also, refrigerant gas are from first time
Heat pipe is transmitted back to the second compressor 12;Meanwhile, the 4th vaporizer 44 forms the cryogen of gas and is flowed into the second backheat after exchanging heat
In second product heat cal rod of device 52, after the second product heat cal rod and the 4th capillary tube 441 are exchanged heat, can more added with reduction the 4th steam
The temperature that device 44 can freeze is sent out, the refrigeration of more low temperature is obtained, and is more effectively utilized energy consumption, improve efficiency, system
In cooling system two, two vaporizers are configured with corresponding regenerator, and regenerator can recycle the cold of cold-producing medium in return-air and improve
The energy utilization rate of system, also without complicated control program, it is ensured that the performance of product is also ensure that while product cost.
In actual use, the first vaporizer 41 in refrigeration system one is used for cold preservation or the freezing of routine, and right
Cryogenic refrigeration can also be realized in addition to it can be used in conventional freezing in the second vaporizer 42, the different cold-producing mediums of cooperation can
Realize the refrigeration of large span temperature range;Likewise, the 3rd vaporizer 43 in refrigeration system two is also used for cold preservation or routine
Freezing, and the 4th vaporizer 44 can realize cryogenic refrigeration in addition to it can be used in conventional freezing;Refrigeration system two compared to
Refrigeration system one, the cryogenic temperature of 43 to the first vaporizer 41 of the 3rd vaporizer are lower, meanwhile, four vaporizer 44 to the second steams
The cryogenic temperature for sending out device 42 is lower.The double refrigeration systems of the present embodiment multi-temperature zone adopt mix refrigerant, the mix refrigerant bag
Various cold-producing mediums are included, for example:Mixture of the mix refrigerant for R600a and R290;Or, the mix refrigerant is
The mixture of R600 and R290;Or, mixture of the mix refrigerant for R600a and R600;Or, the hybrid refrigeration
Mixture of the agent for R600a and R170;Or, mixture of the mix refrigerant for R290 and R170;Or, the mixing
Mixture of the cold-producing medium for R600a, R290 and R170.Different storage temperature can be formed by different non-public boiling mix refrigerants
Area, working medium is 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:It is capable of achieving -6 ~ -18 DEG C of storage warm areas and -30 ~ -40 DEG C of storage warm areas;Working medium is to R600/R600a:It is capable of achieving 0 ~ 9 DEG C of storage
Hide 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
Storage warm area;Working medium is to R290/R170:It is capable of achieving -20 ~ -40 DEG C of storage warm areas and -40 ~ -60 DEG C of storage warm areas etc..
Wherein, the setting according to varying number warm area, the first vaporizer 41, the second vaporizer 42,43 and of the 3rd vaporizer
4th vaporizer 44 can be constituted using many sub- vaporizers, and can be with by the way of serial or parallel connection between sub- vaporizer
It is applied in combination.
Further, carry out between refrigeration system one and refrigeration system two heat exchange to more effectively improve, to obtain
The refrigeration of more wide temperature range, the first condenser 21 in the present embodiment are provided with the first auxiliary refrigerating agent pipe(Do not mark
Note), second condenser 22 is provided with the second auxiliary refrigerating agent pipe(It is unmarked), the first auxiliary refrigerating agent pipe and described
The mutual heat exchange of second auxiliary refrigerating agent pipe arranges to form public condensation part 23, and first condenser 21 is attached by described first
Refrigerant feeding pipe is connected with first compressor 11, and second condenser 22 is by the second auxiliary refrigerating agent pipe and institute
State one connection of heat exchanger channels of the 3rd heat exchanger 63.Specifically, it is in the presence of public condensation part 23, defeated from the first compressor 11
The high temperature that goes out, the superheated refrigerant gas of high pressure by with condense from the second condenser 22 after the cold-producing medium that exports carry out heat exchange,
So that the condensation effect in refrigeration system two is more preferably, meanwhile, coordinate the 3rd heat exchanger 63 to carry out the heat friendship between two systems
Change process, it is possible to obtain lower cryogenic temperature.Wherein, first condenser 21, second condenser 22 and the public affairs
It is an overall structure with condensation part 23, specifically, in condenser assembling process, refrigerant pipe needs tube expansion to be formed in fin
On, and the equal tube expansion of refrigerant pipe in the first condenser 21, second condenser 22 and the public condensation part 23 is arranged on
In same fins set, it is preferred that first condenser 21, the public condensation part 22 and second condenser 23 are by up to
Under be sequentially arranged.
Finally it should be noted that:Above example only to illustrate technical scheme, rather than a limitation;Although
With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that:Which 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. the double refrigeration plant of a kind of multi-temperature zone, it is characterised in that including double refrigeration systems, blower fan, outdoor machine shell and multiple independences
Indoor locker;The described pair of refrigeration system include the first compressor, the second compressor, the first vaporizer, the second vaporizer,
Three vaporizers, the 4th vaporizer, the first gas-liquid separator, the second gas-liquid separator, First Heat Exchanger, the second heat exchanger, the 3rd
Heat exchanger, the first condenser, the second condenser, the first regenerator and the second regenerator;First compressor, second pressure
Contracting machine, first condenser, second condenser and the blower fan are arranged in the outdoor machine shell, first evaporation
Device, the second vaporizer, the 3rd vaporizer, the 4th vaporizer are arranged in the corresponding indoor locker;First evaporation
The import of device is connected with the first capillary tube, and the import of second vaporizer is connected with the second capillary tube, first condenser
Outlet be connected with the import of first gas-liquid separator;The gas outlet of first gas-liquid separator and first heat exchange
The heat exchanger channels one of device connect, and the heat exchanger channels one of the First Heat Exchanger are by second capillary tube and the described second evaporation
Device connects, and the liquid outlet of first gas-liquid separator is connected with first vaporizer by first capillary tube, described
The outlet of the first vaporizer is connected with the heat exchanger channels two of the First Heat Exchanger, the outlet of second vaporizer and described
The heat exchanger channels two of one heat exchanger are respectively by the import of the heat exchanger channels two of the 3rd heat exchanger and first compressor
Connection;The three capillary and the first product heat cal rod of mutual heat exchange, second regenerator are provided with first regenerator
In be provided with the 4th capillary tube and the second product heat cal rod of mutual heat exchange, the outlet of second condenser is by described the
The heat exchanger channels one of three heat exchangers are connected with the import of second gas-liquid separator;The gas outlet of second gas-liquid separator
Connect with the heat exchanger channels one of second heat exchanger, the heat exchanger channels one of second heat exchanger pass through the 4th capillary tube
It is connected with the 4th vaporizer, the liquid outlet of second gas-liquid separator is steamed with the described 3rd by the three capillary
Device connection is sent out, the outlet of the 3rd vaporizer is connected with the heat exchanger channels two of second heat exchanger, second heat exchanger
Heat exchanger channels two be connected with the import of second compressor by first product heat cal rod, the 4th vaporizer goes out
Mouth is connected with the import of second compressor by second product heat cal rod.
2. the double refrigeration plant of multi-temperature zone according to claim 1, it is characterised in that first condenser is provided with first
Additional refrigerant pipe, second condenser are provided with the second additional refrigerant pipe, the first additional refrigerant pipe and described second attached
Plus the mutual heat exchange of refrigerant pipe arranges to form public condensation part, first condenser passes through the described first additional refrigerant pipe and institute
The connection of the first compressor is stated, heat exchange of second condenser by the described second additional refrigerant pipe with the 3rd heat exchanger is led to
Road one connects.
3. the double refrigeration plant of multi-temperature zone according to claim 2, it is characterised in that first condenser, described second
Condenser and the public condensation part are an overall structure.
4. the double refrigeration plant of multi-temperature zone according to claim 3, it is characterised in that first condenser, described second
The equal tube expansion of refrigerant pipe in condenser and the public condensation part is arranged in same fins set.
5. the double refrigeration plant of multi-temperature zone according to claim 3, it is characterised in that first condenser, described public
Condensation part and second condenser are from top to bottom sequentially arranged.
6. the double refrigeration plant of multi-temperature zone according to claim 1, it is characterised in that first vaporizer, the second evaporation
Device, the 3rd vaporizer, and/or the 4th vaporizer include multiple sub- vaporizers for arranging in parallel or series.
7. separating refrigerating device according to claim 1, it is characterised in that be additionally provided with the indoor locker and follow
Ring fan.
8. separating refrigerating device according to claim 1, it is characterised in that the indoor locker be horizontal cabinet,
Or vertical cabinet or wall-mounted cabinet.
9. the double refrigeration plant of multi-temperature zone according to claim 1, it is characterised in that described pair of refrigeration system is using mixing system
Cryogen, the mix refrigerant include various cold-producing mediums.
10. the double refrigeration plant of multi-temperature zone according to claim 9, it is characterised in that the mix refrigerant be R600a and
The mixture of R290;Or, mixture of the mix refrigerant for R600 and R290;Or, the mix refrigerant is
The mixture of R600a and R600;Or, mixture of the mix refrigerant for R600a and R170;Or, the mixing system
Mixture of the cryogen for R290 and R170;Or, mixture of the mix refrigerant for R600a, R290 and R170.
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CN201610955678.4A CN106568277A (en) | 2016-10-27 | 2016-10-27 | Multi-temperature-area double-refrigeration equipment |
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CN201610955678.4A CN106568277A (en) | 2016-10-27 | 2016-10-27 | Multi-temperature-area double-refrigeration equipment |
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Citations (5)
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---|---|---|---|---|
CN1121168A (en) * | 1994-10-15 | 1996-04-24 | 西安建筑科技大学 | Energy-saving double-temp. refrigerant method and system |
JPH10103800A (en) * | 1996-09-27 | 1998-04-21 | Sanyo Electric Co Ltd | Composite type refrigerating plant |
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 |
JP2012220111A (en) * | 2011-04-08 | 2012-11-12 | Mitsubishi Electric Corp | Binary refrigerating device |
CN105466063A (en) * | 2015-12-16 | 2016-04-06 | 珠海格力电器股份有限公司 | Heat pump system |
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2016
- 2016-10-27 CN CN201610955678.4A patent/CN106568277A/en active Pending
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---|---|---|---|---|
CN1121168A (en) * | 1994-10-15 | 1996-04-24 | 西安建筑科技大学 | Energy-saving double-temp. refrigerant method and system |
JPH10103800A (en) * | 1996-09-27 | 1998-04-21 | Sanyo Electric Co Ltd | Composite type refrigerating plant |
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 |
JP2012220111A (en) * | 2011-04-08 | 2012-11-12 | Mitsubishi Electric Corp | Binary refrigerating device |
CN105466063A (en) * | 2015-12-16 | 2016-04-06 | 珠海格力电器股份有限公司 | Heat pump system |
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Application publication date: 20170419 |