CN106524651A - Split type double-flow-path refrigerating equipment - Google Patents
Split type double-flow-path refrigerating equipment Download PDFInfo
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- CN106524651A CN106524651A CN201610954097.9A CN201610954097A CN106524651A CN 106524651 A CN106524651 A CN 106524651A CN 201610954097 A CN201610954097 A CN 201610954097A CN 106524651 A CN106524651 A CN 106524651A
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- heat exchanger
- evaporimeter
- condenser
- compressor
- gas
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- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000005057 refrigeration Methods 0.000 claims description 75
- 239000003507 refrigerant Substances 0.000 claims description 32
- 230000008676 import Effects 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 230000009977 dual effect Effects 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000002631 hypothermal effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 235000013305 food Nutrition 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
Abstract
The invention provides split type double-flow-path refrigerating equipment which comprises a double-refrigerating system, a fan, an outdoor enclosure and a plurality of independent indoor storage cabinets, wherein in the double-refrigerating system, a first gas-liquid separator is connected with a first heat exchanger, and 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 a first heat exchanger; a second condenser is connected with a second gas-liquid separator; the second gas-liquid separator is connected with a second heat exchanger; the second heat exchanger is connected with a fourth evaporator; the second gas-liquid separator is connected with a third evaporator; the third evaporator is connected with the second heat exchanger; the fourth evaporator and the second heat exchanger are separately connected with a second compressor; and the second evaporator and the first heat exchanger are separately connected with a first compressor through a third heat exchanger. The split type double-flow-path refrigerating equipment realizes increasing an equipment energy utilization rate and improving refrigerating performance, expanding a refrigerating temperature region and improving universality.
Description
Technical field
The present invention relates to refrigeration plant, more particularly to a kind of split type dual flow path refrigeration plant.
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：A kind of split type dual flow path refrigeration plant is provided, realizes improving split
Formula dual flow path 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 that a kind of split type dual flow path refrigeration plant includes double refrigeration system, the first wind
Machine, the second blower fan, outdoor machine shell and multiple independent indoor lockers；The described pair of refrigeration system include the first compressor, second
Compressor, the first evaporimeter, the second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter, the first gas-liquid separator, the second gas-liquid point
From device, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the first condenser and the second condenser；First compressor,
Second compressor, first condenser, the first blower fan described in second condenser and second blower fan are arranged on
In the outdoor machine shell, air-supply passage in the indoor locker, is provided with, the air-supply passage is provided with air inlet and air-out
Mouthful, circulating fan, first evaporimeter, the second evaporimeter, the 3rd evaporimeter, the 4th evaporation are provided with the air-supply passage
Device is arranged in the air-supply passage of the corresponding indoor locker；The import of first evaporimeter is connected with first mao
Tubule, the import of second evaporimeter are connected with the second capillary, the outlet of first condenser and first gas-liquid
The import connection of separator；The gas outlet of first gas-liquid separator and the heat exchanger channels one of the First Heat Exchanger connect,
The heat exchanger channels one of the First Heat Exchanger are connected with second evaporimeter by second capillary, first gas-liquid
The liquid outlet of separator is connected with first evaporimeter by first capillary, the outlet of first evaporimeter and institute
State two connection of heat exchanger channels of First Heat Exchanger；The import of the 3rd evaporimeter is connected with three capillary, and the described 4th steams
The import for sending out device is connected with the 4th capillary, and the outlet of second condenser passes through the heat exchanger channels one of the 3rd heat exchanger
Import with second gas-liquid separator is connected；The gas outlet of second gas-liquid separator and changing for second heat exchanger
The passage of heat one connects, and the heat exchanger channels one of second heat exchanger are connected with the 4th evaporimeter by the 4th capillary
Connect, the liquid outlet of second gas-liquid separator is connected with the 3rd evaporimeter by the three capillary, the described 3rd
The outlet of evaporimeter is connected with the heat exchanger channels two of second heat exchanger, and the outlet of the 4th evaporimeter and described second is changed
The heat exchanger channels two of hot device are connected with the import of second compressor respectively；The outlet of second evaporimeter and described first
Import of the heat exchanger channels two of heat exchanger respectively by the heat exchanger channels two of the 3rd heat exchanger with first compressor connects
Connect.
The split type dual flow path refrigeration plant 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 evaporimeters respectively, and gaseous refrigerant will
The refrigeration of profound hypothermia is carried out in heat exchanger is transported to profound hypothermia evaporimeter, and liquid refrigerant is after capillary-compensated
Entering into carries out the refrigeration of low hypothermia in low hypothermia evaporimeter, and in order to effectively widen temperature range, from low hypothermia evaporimeter
The cold-producing medium of middle output carries out heat exchange with the cold-producing medium entered in low hypothermia evaporimeter by heat exchange, so that low hypothermia
The cryogenic temperature of evaporimeter is lower, realizes the effect of multi-temperature zone refrigeration, and need not adopt complicated control program, and heat exchange
Device can effectively improve efficiency, and reducing energy consumption is realized improving air cooling refrigeration equipment energy utilization rate height and refrigeration performance, expanded
Big cryogenic temperature is interval improving versatility；And exchanged heat by the 3rd heat exchanger between two independent refrigeration systems, energy
Enough temperature difference further widened between each evaporimeter, on the one hand can obtain lower temperature, on the other hand can be more
Effectively improve and 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 split type dual flow path refrigeration plant embodiment of the invention；
Fig. 2 is the schematic diagram of split type dual flow path refrigeration plant embodiment of the invention；
Fig. 3 is the structural representation of condenser of the present invention；
Fig. 4 is the structural representation of outdoor machine shell of the present invention；
Fig. 5 is the structural representation of interior locker of the 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 Figure 1-Figure 5, the split type dual flow path refrigeration plant of the present embodiment, using split-type structural, including off-premises station
Shell 101 and multiple independent indoor lockers 102, outdoor machine shell 101 are placed on the outside of wall 100, and indoor locker 102
The inner side of wall 100 is placed on, wherein, the compressor, condenser, throttling arrangement and blower fan in double refrigeration systems（It is not shown）
It is disposed in the outdoor in casing 101 Deng part, and the evaporimeter of double refrigeration systems is arranged in corresponding indoor locker 102.
During actually used, as compressor is arranged in the outdoor machine shell 101 of outside, noise and heat that compressor operating is produced
Impact will not be produced on indoor, can effectively improve the comfortableness that user uses indoors, improve user experience.Together
When, as using multiple independent indoor lockers 102, indoor locker 102 can be placed as required on different rooms
Used in, to meet the demand of not chummery freezing or chilled goods.Wherein, it is additionally provided with the indoor locker 102 and follows
Ring fan（It is not shown）, the air circulation flow in indoor locker 102 can be realized using circulating fan, to improve indoor storage
Temperature distribution evenness in thing cabinet 102.In addition, according to user's needs, the indoor locker 102 can for horizontal counter body,
Or vertical cabinet or wall-mounted cabinet.
For each indoor locker 102, air-supply passage 1020, air-supply passage 1020 in indoor locker 102, are provided with
With air outlet 1021 and air inlet 1022, circulating fan 103 is additionally provided with the air-supply passage 1020, using circulating fan
103 can realize the air circulation flow in indoor locker 102, to improve the uniformity of temperature profile in indoor locker 102
Property.
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 evaporimeter 41,
Second evaporimeter 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 evaporimeter 42 by the second capillary 421；
Import of the liquid outlet of first gas-liquid separator 31 by first capillary 411 with first evaporimeter 41 connects
Connect, the outlet of first evaporimeter 41 is connected with the heat exchanger channels two of the First Heat Exchanger 61, second evaporimeter 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 evaporimeter
43rd, the 4th evaporimeter 44, the second gas-liquid separator 32 and the second heat exchanger 62；The outlet of second condenser 22 passes through the 3rd
The heat exchanger channels two of heat exchanger 63 are connected with the import of second gas-liquid separator 32, and second gas-liquid separator 32 goes out
The heat exchanger channels one of gas port and second heat exchanger 62 connect, and the heat exchanger channels one of the second heat exchanger 62 pass through the 4th capillary
441 are connected with the import of the 4th evaporimeter 44；The liquid outlet of second gas-liquid separator 32 is by the 3rd capillary
Pipe 431 is connected with the import of the 3rd evaporimeter 43, outlet and second heat exchanger 62 of the 3rd evaporimeter 43
Heat exchanger channels two connect, and the outlet of the 4th evaporimeter 44 and the heat exchanger channels two of the second heat exchanger 62 are respectively with described second
The import connection of compressor 12.
Specifically, the split type dual flow path refrigeration plant of the present embodiment adopts the refrigeration system of two heat exchanges and independent loops
System, by taking refrigeration system one as an example：Cold-producing medium forms the superheated refrigerant gas of high temperature, high pressure through the compression of the first compressor 11,
Refrigerant gas are condensed into the first condenser 21, and the dew-point temperature using high low boiling point refrigerant in cold-producing medium is different,
Formed after refrigerant gas condensation rich in higher boiling refrigerant liquid and the two phase refrigerant rich in low boiling point refrigerant gas, should
Cold-producing medium is separated into the first gas-liquid separator 31.Liquid phase refrigerant rich in higher boiling cold-producing medium is from the first gas-liquid separation
The liquid outlet output of device 31, after throttling via the first capillary 411, enters into after the first evaporimeter 41 is exchanged heat and forms two-phase
Cold-producing medium 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 steaming
Liquid phase refrigerant is formed after the cold of the cold-producing medium for sending out the output of device 41, liquid phase refrigerant throttles laggard through the second capillary 421
Enter the second evaporimeter 42 to exchange heat；The cold-producing medium exported from the heat exchanger channels two and the second evaporimeter 42 of First Heat Exchanger 61 is transported to
Carry out 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 the 3rd heat exchanger 62
Form gas refrigerant to flow back in the first compressor 11.
In actual use, the first evaporimeter 41 in refrigeration system one is used for refrigeration 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 evaporimeter 42, the different cold-producing mediums of cooperation can
Realize the refrigeration of large span temperature range；Likewise, the 3rd evaporimeter 43 in refrigeration system two is also used for refrigerating or routine
Freezing, and the 4th evaporimeter 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 evaporimeter 41 of the 3rd evaporimeter are lower, meanwhile, four evaporimeter 44 to the second steams
The cryogenic temperature for sending out device 42 is lower.The split type dual flow path refrigeration plant of the present embodiment adopts mix refrigerant, the hybrid refrigeration
Agent includes various cold-producing mediums, for example：Mixture of the mix refrigerant for R600a and R290；Or, the mix refrigerant
For the mixture of R600 and R290；Or, mixture of the mix refrigerant for R600a and R600；Or, the mixing system
Mixture of the cryogen for R600a and R170；Or, mixture of the mix refrigerant for R290 and R170；Or, it is described mixed
Close mixture of the cold-producing medium for R600a, R290 and R170.Different storages can be formed by different non-public boiling mix refrigerants
Warm 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 evaporimeter 41, the second evaporimeter 42,43 and of the 3rd evaporimeter
4th evaporimeter 44 can be constituted using many sub- evaporimeters, and can be with by the way of serial or parallel connection between sub- evaporimeter
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, in the presence of shared condensation part 23, from the height of the output of the first cold compressor 11
Temperature, high pressure superheater refrigerant gas carry out heat exchange with the cold-producing medium exported from after the condensation of the second condenser 22, make refrigeration system
Two condensation effects more preferably while, improve off-premises station space availability ratio；In addition one evaporator outlet cold-producing medium of refrigeration system with
Two common condenser of refrigeration system outlet cold-producing medium is exchanged heat, and further lifts the condensation effect of refrigeration system two, increase system
System degree of supercooling, and then can lift system refrigerating capacity.Wherein, first condenser 21, second condenser 22 and described
Public condensation part 23 is an overall structure, and 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.
In addition, outdoor machine shell 101 is arranged on outside room as off-premises station, compressor, condenser in refrigeration system and
The parts such as blower fan are located in outdoor machine shell 101.With the first compressor 11 in refrigeration system one, the first condenser 21 and the first wind
Machine 10 as a example by the concrete mode of the first housing, the first compressor 11, the first condenser 21 and the first blower fan 10 are arranged
On same straight line, the first blower fan 10 blows to the first compressor 11 from the 21 side air draught of the first condenser, has both considered blower fan
Lift problem, can guarantee that the radiating effect of compressor and condenser again, reach energy-conservation purpose.First blower fan 10 is positioned at the first condensation
Between device 21 and the first compressor 11, radiate to the first condenser 21 during the first 10 air draught of blower fan, meanwhile, the first blower fan 10 can be from
The peripheral air draught of the first condenser 21, the then wind-warm syndrome for blowing out are relatively low, and the radiating effect given after the first compressor 11 is preferable.Enter one
Step, the upper surface of first housing is formed with domatic 1011, arranges between first blower fan 10 and first housing
There is the first fan housing 1012, first fan housing 1012 is constituted with the bottom surface of first housing, two side and first domatic 1011
First air channel, it is preferred that first fan housing 1012 is arc-shaped structure, and first air channel is along first blower fan 10
Air channel divergent segment is sequentially formed with to 11 direction of the first compressor（It is unmarked）With air channel converging transition（It is unmarked）；Wherein,
Along the blower fan 10 to 11 direction of the first compressor, the area of section of the air channel divergent segment gradually increases, the air channel
The area of section of converging transition is gradually reduced, and the length W1 ratio of length W2 of the air channel divergent segment and the air channel converging transition is 1：
（3-5）.Specifically, the cross section of air quantity is first become ambassador's wind and is diffused on whole duct cross-section by air channel, then air channel cross section
Reduce, when now wind speed is gradually increasing and blows to the first 11 surface of compressor, wind speed of the wind speed more than the outlet of the first blower fan 10 increases
The big coefficient of heat transfer on 11 surface of the first compressor；Likewise, the second compressor 12, the second condenser 22 in refrigeration system two
It is identical with aforesaid way with the mounting means installed in the second housing of the first blower fan 10', and it is then same for public condensation part 23
When be arranged in the first housing and the second housing.Preferably, in order to make full use of the condensation heat of condenser, condenser to be provided with
Water- to-water heat exchanger 7, the condensation heat that absorptive condenser is discharged by the water in water- to-water heat exchanger 7, water- to-water heat exchanger 7 are then connected with outside confession water end (W.E.)
Connect, extraneous water is entered into, and realization makes full use of the heat energy of condensation, improves the energy
Utilization rate；And as heat-storing material can be provided with water- to-water heat exchanger 7, when shutting down, heat-storing material can still provide heat
Heating water.
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. a kind of split type dual flow path refrigeration plant, it is characterised in that including double refrigeration systems, the first blower fan, the second blower fan, room
Outer cage and multiple independent indoor lockers；Described pair of refrigeration system includes the first compressor, the second compressor, the first evaporation
Device, the second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter, the first gas-liquid separator, the second gas-liquid separator, First Heat Exchanger,
Second heat exchanger, the 3rd heat exchanger, the first condenser and the second condenser；First compressor, second compressor, institute
State the first condenser, the first blower fan described in second condenser and second blower fan are arranged in the outdoor machine shell, institute
Air-supply passage is provided with stating indoor locker, the air-supply passage is provided with air inlet and air outlet, in the air-supply passage
Circulating fan is provided with, first evaporimeter, the second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter are arranged on corresponding institute
State in the air-supply passage of indoor locker；The import of first evaporimeter is connected with the first capillary, and described second steams
The import for sending out device is connected with the second capillary, and the outlet of first condenser is connected with the import of first gas-liquid separator
Connect；The gas outlet of first gas-liquid separator and the heat exchanger channels one of the First Heat Exchanger connect, the First Heat Exchanger
Heat exchanger channels one be connected with second evaporimeter by second capillary, the liquid outlet of first gas-liquid separator
It is connected with first evaporimeter by first capillary, outlet and the First Heat Exchanger of first evaporimeter
Heat exchanger channels two connect；The import of the 3rd evaporimeter is connected with three capillary, the import connection of the 4th evaporimeter
There are the 4th capillary, the heat exchanger channels one and second gas-liquid that export by the 3rd heat exchanger of second condenser
The import connection of separator；The heat exchanger channels one of the gas outlet of second gas-liquid separator and second heat exchanger connect,
The heat exchanger channels one of second heat exchanger are connected with the 4th evaporimeter by the 4th capillary, second gas-liquid
The liquid outlet of separator is connected with the 3rd evaporimeter by the three capillary, the outlet of the 3rd evaporimeter and institute
State two connection of heat exchanger channels of the second heat exchanger, the outlet of the 4th evaporimeter and the heat exchanger channels two of second heat exchanger
It is connected with the import of second compressor respectively；The outlet of second evaporimeter and the heat exchanger channels of the First Heat Exchanger
Two are connected with the import of first compressor by the heat exchanger channels two of the 3rd heat exchanger respectively.
2. split type dual flow path refrigeration plant according to claim 1, it is characterised in that first condenser is provided with
First auxiliary refrigerating agent pipe, second condenser are provided with the second auxiliary refrigerating agent pipe, the first auxiliary refrigerating agent pipe and
The mutual heat exchange of the second auxiliary refrigerating agent pipe arranges to form public condensation part, and first condenser is attached by described first
Refrigerant feeding pipe is connected with first compressor, and second condenser is by the second auxiliary refrigerating agent pipe and described
The heat exchanger channels one of three heat exchangers connect.
3. split type dual flow path refrigeration plant according to claim 2, it is characterised in that first condenser, described
Second condenser and the public condensation part are an overall structure.
4. split type dual flow path refrigeration plant according to claim 3, it is characterised in that first condenser, described
The equal tube expansion of refrigerant pipe in second condenser and the public condensation part is arranged in same fins set.
5. split type dual flow path refrigeration plant according to claim 1, it is characterised in that first evaporimeter, second
Evaporimeter, the 3rd evaporimeter, and/or the 4th evaporimeter include multiple sub- evaporimeters for arranging in parallel or series.
6. split type dual flow path refrigeration plant according to claim 1, it is characterised in that the outdoor machine shell includes
One housing and the second housing, first compressor, first condenser and first blower fan are arranged on the off-premises station
In shell, first blower fan is arranged between first compressor and first condenser, first blower fan and described
The first air channel is provided between first compressor, second compressor, second condenser and second blower fan are arranged
In the outdoor machine shell, second blower fan is arranged between second compressor and second condenser, and described
The second air channel is provided between two blower fans and second compressor.
7. split type dual flow path refrigeration plant according to claim 6, it is characterised in that the upper surface of first housing
It is formed with first domatic, between first blower fan and first housing, is provided with the first fan housing, first fan housing and institute
State the bottom surface of the first housing, two side and first and domatic constitute first air channel；The upper surface of second housing is formed with
Second is domatic, and the second fan housing, second fan housing and described second are provided between second blower fan and second housing
The bottom surface of housing, two side and second domatic constitute second air channel.
8. split type dual flow path refrigeration plant according to claim 7, it is characterised in that first fan housing and described
Two fan housings are arc-shaped structure, and first air channel and second air channel are sequentially formed with air channel gradually respectively along blowing direction
Expand section and air channel converging transition；Wherein, along blowing direction, the area of section of the air channel divergent segment gradually increases, and the air channel is gradually
The area of section of contracting section is gradually reduced.
9. split type dual flow path refrigeration plant according to claim 1, it is characterised in that described pair of refrigeration system is using mixed
Cold-producing medium is closed, the mix refrigerant includes various cold-producing mediums.
10. split type dual flow path refrigeration plant according to claim 9, it is characterised in that the mix refrigerant is
The mixture of R600a and R290；Or, mixture of the mix refrigerant for R600 and R290；Or, the hybrid refrigeration
Mixture of the agent for R600a and R600；Or, mixture of the mix refrigerant for R600a and R170；Or, it is described mixed
Close mixture of the cold-producing medium for R290 and R170；Or, mixture of the mix refrigerant for R600a, R290 and R170.
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| CN201610954097.9A CN106524651A (en) | 2016-10-27 | 2016-10-27 | Split type double-flow-path refrigerating equipment |
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| CN201610954097.9A CN106524651A (en) | 2016-10-27 | 2016-10-27 | Split type double-flow-path refrigerating equipment |
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Application publication date: 20170322 |