CN106568219A - Multiple-temperature-zone double-flow-way refrigeration equipment - Google Patents

Multiple-temperature-zone double-flow-way refrigeration equipment Download PDF

Info

Publication number
CN106568219A
CN106568219A CN201610954085.6A CN201610954085A CN106568219A CN 106568219 A CN106568219 A CN 106568219A CN 201610954085 A CN201610954085 A CN 201610954085A CN 106568219 A CN106568219 A CN 106568219A
Authority
CN
China
Prior art keywords
heat exchanger
vaporizer
condenser
compressor
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610954085.6A
Other languages
Chinese (zh)
Inventor
刘越
丁剑波
蒋彬
彭灿
卞伟
李大伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Special Refrigerator Co Ltd
Original Assignee
Qingdao Haier Special Refrigerator Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Special Refrigerator Co Ltd filed Critical Qingdao Haier Special Refrigerator Co Ltd
Priority to CN201610954085.6A priority Critical patent/CN106568219A/en
Publication of CN106568219A publication Critical patent/CN106568219A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B7/00Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B40/00Subcoolers, desuperheaters or superheaters
    • F25B40/06Superheaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/37Capillary tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067Evaporator fan units

Abstract

The invention provides multiple-temperature-zone double-flow-way refrigeration equipment. The multiple-temperature-zone double-flow-way refrigeration equipment includes a double refrigeration system, a blower fan, an outdoor casing and a plurality of indoor storage cabinets, wherein a first condenser in the double refrigeration system and a first gas-liquid separation device in the double refrigeration system are connected; the first gas-liquid separation device is connected with a first heat exchanger; the first heat exchanger is connected with a second evaporator; the first gas-liquid separation device 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 connected with a first compressor through a third heat exchanger; a third capillary and a first back heating pipe are arranged in a first heat regenerator, and perform heat exchange with each other; a fourth capillary and a second back heating pipe are arranged in a second heat regenerator, and perform heat exchange with each other; a heat exchange channel of the second heat exchanger is connected with an inlet of a second compressor through the first back heating pipe; and an outlet of a fourth evaporator is connected with an outlet of the second compressor through the second back heating pipe. The multiple-temperature-zone double-flow-way refrigeration equipment can improve the utilization rate of energy and the refrigeration performance, and can enlarge the refrigeration temperature range to improve the universality.

Description

Multi-temperature zone dual flow path refrigeration plant
Technical field
The present invention relates to refrigeration plant, more particularly to a kind of multi-temperature zone dual flow path 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 dual flow path refrigeration plant is provided, realizes improving temperature more Area's dual flow path refrigeration plant energy utilization rate height and refrigeration performance, expand cryogenic temperature interval to improve versatility.
The present invention provide technical scheme be, a kind of multi-temperature zone dual flow path refrigeration plant, including double refrigeration systems, blower fan, Outdoor machine shell and multiple independent indoor lockers;Described pair of refrigeration system includes that the first compressor, the second compressor, first are steamed Send out device, the second vaporizer, the 3rd vaporizer, the 4th vaporizer, the first gas-liquid separator, the second gas-liquid separator, the first heat exchange Device, the second heat exchanger, the 3rd heat exchanger, the first condenser, the second condenser, the first regenerator and the second regenerator;Described One compressor, second compressor, first condenser, the first blower fan described in second condenser and second wind Machine is arranged in the outdoor machine shell, and air-supply passage is provided with the indoor locker, and the air-supply passage is provided with air intake Mouthful and air outlet, be provided with circulating fan in the air-supply passage, first vaporizer, the second vaporizer, the 3rd vaporizer, 4th vaporizer is arranged in the air-supply passage of the corresponding indoor locker;The import connection of first vaporizer Have the first capillary tube, the import of second vaporizer is connected with the second capillary tube, the outlet of first condenser with it is described The import connection of the first gas-liquid separator;The gas outlet of first gas-liquid separator and the heat exchanger channels of the First Heat Exchanger One connection, the heat exchanger channels one of the First Heat Exchanger are connected by second capillary tube with second vaporizer, described The liquid outlet of the first gas-liquid separator is connected by first capillary tube with first vaporizer, first vaporizer Outlet is connected with the heat exchanger channels two of the First Heat Exchanger, and the outlet of second vaporizer and the First Heat Exchanger are changed The passage of heat two is connected respectively by the heat exchanger channels two of the 3rd heat exchanger with the import of first compressor;Described first The three capillary and the first product heat cal rod of mutual heat exchange are provided with regenerator, in second regenerator mutual heat is provided with 4th capillary tube and the second product heat cal rod of exchange, the outlet of second condenser passes through the heat exchange of the 3rd heat exchanger Passage one is connected with the import of second gas-liquid separator;The gas outlet of second gas-liquid separator and second heat exchange The heat exchanger channels one of device connect, and the heat exchanger channels one of second heat exchanger are by the 4th capillary tube and the described 4th evaporation Device connects, and the liquid outlet of second gas-liquid separator is connected by the three capillary with the 3rd vaporizer, described The outlet of the 3rd vaporizer is connected with the heat exchanger channels two of second heat exchanger, the heat exchanger channels two-way of second heat exchanger Cross first product heat cal rod to be connected with the import of second compressor, the outlet of the 4th vaporizer passes through described second Product heat cal rod is connected with the import of second compressor.
The multi-temperature zone dual flow path refrigeration plant that the present invention is provided, using the refrigeration system of two independent loops, for each Refrigeration system is respectively delivered to the cold-producing medium of gaseous state in gas-liquid separator and liquid in different vaporizers, and gaseous refrigerant will Being transported in profound hypothermia vaporizer through heat exchanger carries out the refrigeration of profound hypothermia, and liquid refrigerant is after capillary-compensated Entering in low hypothermia vaporizer carries out the refrigeration of low hypothermia, and in order to effectively widen temperature range, from low hypothermia vaporizer The cold-producing medium of middle output carries out heat exchange by heat exchange with the cold-producing medium entered in low hypothermia vaporizer, so that low hypothermia The cryogenic temperature of vaporizer is lower, realizes the effect that multi-temperature zone is freezed, 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 vaporizer, 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 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 structure principle chart of multi-temperature zone dual flow path refrigeration plant embodiment of the present invention
Fig. 2 is the schematic diagram of multi-temperature zone dual flow path refrigeration plant embodiment of the present 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 present embodiment multi-temperature zone dual flow path refrigeration plant, using split-type structural, including off-premises station Shell 101 and multiple independent indoor lockers 102, outdoor machine shell 101 is 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 vaporizer of double refrigeration systems is arranged in corresponding indoor locker 102. During actually used, because 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, because 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 are provided with indoor locker 102 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, heat exchange is carried out between two refrigeration systems by the 3rd heat exchanger 63, 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 by the second capillary tube 421 with the import of second vaporizer 42; The liquid outlet of first gas-liquid separator 31 is connected by first capillary tube 411 with the import of first vaporizer 41 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 and the second condenser 22 for linking together, 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 The outlet of the second condenser 22 is connected by the heat exchanger channels two of the 3rd heat exchanger 63 with the import of second gas-liquid separator 32 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 by the 4th capillary tube 441 with the import of the 4th vaporizer 44;Second gas-liquid separation The liquid outlet of device 32 is connected by the three capillary 431 with the import of the 3rd vaporizer 43, 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, split type pair of refrigerating plant of the present embodiment adopts 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 two and second vaporizer of heat exchanger channels 42 of First Heat Exchanger 61 is transported to the 3rd Formation after heat exchange is carried out in the heat exchanger channels one of heat exchanger 62 with the cold-producing medium of the output of the second condenser 22 in refrigeration system two Gas refrigerant is flowed back in the first compressor 11.And for refrigeration system two, the refrigeration due to realize more low temperature, 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 is 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 more effectively utilizes energy consumption, improve efficiency, system Two vaporizers are configured with corresponding regenerator in cooling system two, 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 the vaporizer 41 of the 3rd vaporizer 43 to the first is lower, meanwhile, four vaporizer 44 to the second steams The cryogenic temperature for sending out device 42 is lower.Split type pair of refrigerating plant of the present embodiment adopts mix refrigerant, the mix refrigerant bag Various cold-producing mediums are included, for example:The mix refrigerant is the mixture of R600a and R290;Or, the mix refrigerant is The mixture of R600 and R290;Or, the mix refrigerant is the mixture of R600a and R600;Or, the hybrid refrigeration Agent is the mixture of R600a and R170;Or, the mix refrigerant is the mixture of R290 and R170;Or, the mixing Cold-producing medium is the mixture of 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 is stored warm area etc..
Wherein, according to the setting of varying number warm area, the first vaporizer 41, the second vaporizer 42, the and of the 3rd vaporizer 43 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 is 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 the connection of heat exchanger channels one of the 3rd heat exchanger 63.Specifically, it is defeated from the first compressor 11 in the presence of public condensation part 23 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.
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 side air draught of the first condenser 21, 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 the compressor 11 of device 21 and first, 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 pathogenic wind-warm for blowing out is 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 the direction of the first compressor 11(It is unmarked)With air channel converging transition(It is unmarked);Wherein, Along the blower fan 10 to the direction of the first compressor 11, 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 increases more than the wind speed of the outlet of the first blower fan 10 The big coefficient of heat transfer on the surface of the first compressor 11;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 the water in water- to-water heat exchanger 7 discharges absorptive condenser, water- to-water heat exchanger 7 then connects with outside confession water end (W.E.) Connect, extraneous water is entered in water- to-water heat exchanger 7 carries out heat exchange type into hot water, and realization makes full use of the heat energy of condensation, improves the energy Utilization rate;And due to being provided with heat-storing material in water- to-water heat exchanger 7, when shutting down, heat-storing material can still provide heat Plus hot water.
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 dual flow path refrigeration plant, it is characterised in that including double refrigeration systems, blower fan, outdoor machine shell and multiple Independent indoor locker;Described pair of refrigeration system includes the first compressor, the second compressor, the first vaporizer, the second evaporation Device, the 3rd vaporizer, the 4th vaporizer, the first gas-liquid separator, the second gas-liquid separator, First Heat Exchanger, the second heat exchanger, 3rd heat exchanger, the first condenser, the second condenser, the first regenerator and the second regenerator;First compressor, described Two compressors, first condenser, the first blower fan described in second condenser and second blower fan are arranged on the room In outer cage, air-supply passage is provided with the indoor locker, the air-supply passage is provided with air inlet and air outlet, described Circulating fan is provided with air-supply passage, first vaporizer, the second vaporizer, the 3rd vaporizer, the 4th vaporizer are arranged In the air-supply passage of the corresponding indoor locker;First vaporizer, the second vaporizer, the 3rd vaporizer, 4th vaporizer is arranged in the corresponding indoor locker;The import of first vaporizer is connected with the first capillary tube, The import of second vaporizer is connected with the second capillary tube, the outlet of first condenser and first gas-liquid separator Import connection;The gas outlet of first gas-liquid separator and the heat exchanger channels one of the First Heat Exchanger connect, and described The heat exchanger channels one of one heat exchanger are connected by second capillary tube with second vaporizer, first gas-liquid separator Liquid outlet be connected with first vaporizer by first capillary tube, the outlet of first vaporizer and described first The heat exchanger channels two of heat exchanger connect, and the outlet of second vaporizer and the heat exchanger channels two of the First Heat Exchanger lead to respectively The heat exchanger channels two for crossing the 3rd heat exchanger are connected with the import of first compressor;It is provided with first regenerator Mutually the three capillary and the first product heat cal rod of heat exchange, is provided with the described 4th of mutual heat exchange the in second regenerator Capillary tube and the second product heat cal rod, the outlet of second condenser is by the heat exchanger channels one of the 3rd heat exchanger and described the The import connection of two gas-liquid separators;The gas outlet of second gas-liquid separator and the heat exchanger channels one of second heat exchanger Connection, the heat exchanger channels one of second heat exchanger are connected by the 4th capillary tube with the 4th vaporizer, and described the The liquid outlet of two gas-liquid separators is connected by the three capillary with the 3rd vaporizer, and the 3rd vaporizer goes out Mouth is connected with the heat exchanger channels two of second heat exchanger, and the heat exchanger channels two of second heat exchanger are by first backheat Pipe is connected with the import of second compressor, and the outlet of the 4th vaporizer is by second product heat cal rod and described the The import connection of two compressors.
2. multi-temperature zone dual flow path refrigeration plant according to claim 1, it is characterised in that first condenser is provided with First additional refrigerant pipe, second condenser is provided with the second additional refrigerant pipe, the first additional refrigerant pipe and described The mutual heat exchange of two additional refrigerant pipes arranges to form public condensation part, and first condenser passes through the described first additional refrigerant pipe It is connected with first compressor, second condenser is changed by the described second additional refrigerant pipe and the 3rd heat exchanger The passage of heat one connects.
3. multi-temperature zone 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. multi-temperature zone 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. multi-temperature zone dual flow path refrigeration plant according to claim 1, it is characterised in that first vaporizer, second Vaporizer, the 3rd vaporizer, and/or the 4th vaporizer include multiple sub- vaporizers for arranging in parallel or series.
6. multi-temperature zone 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. multi-temperature zone 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, the first fan housing, first fan housing and institute is provided between first blower fan and first housing 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. multi-temperature zone 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 respectively air channel gradually 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. multi-temperature zone 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. multi-temperature zone 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, the mix refrigerant is the mixture of R600 and R290;Or, the hybrid refrigeration Agent is the mixture of R600a and R600;Or, the mix refrigerant is the mixture of R600a and R170;Or, it is described mixed Close mixture of the cold-producing medium for R290 and R170;Or, the mix refrigerant is the mixture of R600a, R290 and R170.
CN201610954085.6A 2016-10-27 2016-10-27 Multiple-temperature-zone double-flow-way refrigeration equipment Pending CN106568219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610954085.6A CN106568219A (en) 2016-10-27 2016-10-27 Multiple-temperature-zone double-flow-way refrigeration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610954085.6A CN106568219A (en) 2016-10-27 2016-10-27 Multiple-temperature-zone double-flow-way refrigeration equipment

Publications (1)

Publication Number Publication Date
CN106568219A true CN106568219A (en) 2017-04-19

Family

ID=58535452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610954085.6A Pending CN106568219A (en) 2016-10-27 2016-10-27 Multiple-temperature-zone double-flow-way refrigeration equipment

Country Status (1)

Country Link
CN (1) CN106568219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103800A (en) * 1996-09-27 1998-04-21 Sanyo Electric Co Ltd Composite type refrigerating plant
KR20020036106A (en) * 2000-11-08 2002-05-16 황한규 Structure preventing for a noise of kim-chi storage
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
KR20080040183A (en) * 2006-11-02 2008-05-08 주식회사 대우일렉트로닉스 Structure for radiation of heat in machine-chamber of refrigerator
CN201488400U (en) * 2009-09-15 2010-05-26 广东西屋康达空调有限公司 Novel air source heat pump unit
CN101832300A (en) * 2009-03-11 2010-09-15 建准电机工业股份有限公司 Air duct
KR20110072687A (en) * 2009-12-23 2011-06-29 주식회사 대우일렉트로닉스 Refrigerator
CN102395840A (en) * 2009-04-17 2012-03-28 夏普株式会社 Freezer-refrigerator and cooling storage unit
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
KR20150098873A (en) * 2014-02-21 2015-08-31 주식회사 대유위니아 Device of guide air flow for compressor
CN204718250U (en) * 2015-05-15 2015-10-21 郑州凯雪冷链股份有限公司 Medical ultralow temperature combined type portable cold room refrigeration system
CN105571035A (en) * 2016-03-10 2016-05-11 青岛海尔空调电子有限公司 Refrigerating air conditioner
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103800A (en) * 1996-09-27 1998-04-21 Sanyo Electric Co Ltd Composite type refrigerating plant
KR20020036106A (en) * 2000-11-08 2002-05-16 황한규 Structure preventing for a noise of kim-chi storage
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
KR20080040183A (en) * 2006-11-02 2008-05-08 주식회사 대우일렉트로닉스 Structure for radiation of heat in machine-chamber of refrigerator
CN101832300A (en) * 2009-03-11 2010-09-15 建准电机工业股份有限公司 Air duct
CN102395840A (en) * 2009-04-17 2012-03-28 夏普株式会社 Freezer-refrigerator and cooling storage unit
CN201488400U (en) * 2009-09-15 2010-05-26 广东西屋康达空调有限公司 Novel air source heat pump unit
KR20110072687A (en) * 2009-12-23 2011-06-29 주식회사 대우일렉트로닉스 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
KR20150098873A (en) * 2014-02-21 2015-08-31 주식회사 대유위니아 Device of guide air flow for compressor
CN204718250U (en) * 2015-05-15 2015-10-21 郑州凯雪冷链股份有限公司 Medical ultralow temperature combined type portable cold room refrigeration system
CN105571035A (en) * 2016-03-10 2016-05-11 青岛海尔空调电子有限公司 Refrigerating air conditioner
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device

Similar Documents

Publication Publication Date Title
CN206222801U (en) Separating refrigerating equipment
CN106568219A (en) Multiple-temperature-zone double-flow-way refrigeration equipment
CN106568275A (en) Multi-temperature-area double-flowing-way refrigeration device
CN106568274A (en) Double-loop multi-temperature-zone refrigeration equipment
CN206609199U (en) Recovery type heat refrigeration plant outdoor unit and separating refrigerating equipment
CN206609207U (en) Air-cooled separating refrigerating equipment
CN106568276A (en) Double-loop split refrigeration device
CN206222789U (en) Air cooling refrigeration equipment
CN206207835U (en) Separating refrigerating equipment outdoor unit and separating refrigerating equipment
CN206222780U (en) Separating refrigerating equipment outdoor unit and separating refrigerating equipment
CN204594038U (en) A kind of central refrigerating module of wind cooling refrigerator
CN106568272A (en) Split type multi-temperature-zone refrigerating equipment with heat recovery function
CN106482420A (en) Separating refrigerating equipment off-premises station and separating refrigerating equipment
CN106556201A (en) Double loop separating refrigerating equipment
CN206973920U (en) Multi-temperature zone kind of refrigeration cycle dual system and multi-temperature zone refrigeration plant
CN206222790U (en) The double cooling cycle systems of multi-temperature zone and multi-temperature zone refrigeration plant
CN106568279A (en) Split type dual refrigerating device
CN106595106A (en) Double-loop multi-temperature-zone refrigerating device
CN207649003U (en) A kind of coupled system of refrigerator and air-conditioning
CN106524651A (en) Split type double-flow-path refrigerating equipment
CN206207776U (en) The double refrigeration systems of multi-temperature zone and multi-temperature zone refrigeration plant
CN106568218A (en) Multi-temperature-zone refrigerating loop system and multi-temperature-zone refrigerating equipment
CN106556203A (en) Split type pair of refrigerating plant
CN204902077U (en) Second grade refrigeration heat transfer system
CN106568277A (en) Multi-temperature-area double-refrigeration equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170419