CN109073295A - Refrigerating circulatory device and heat circulating system - Google Patents
Refrigerating circulatory device and heat circulating system Download PDFInfo
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- CN109073295A CN109073295A CN201680078565.9A CN201680078565A CN109073295A CN 109073295 A CN109073295 A CN 109073295A CN 201680078565 A CN201680078565 A CN 201680078565A CN 109073295 A CN109073295 A CN 109073295A
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- hfo
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- hfc
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/003—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing corrosion
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/027—Condenser control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/12—Inflammable refrigerants
- F25B2400/121—Inflammable refrigerants using R1234
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
Abstract
Refrigerating circulatory device, wherein compressor (10), condenser (20), the mechanism of decompressor (30) and evaporator (40) are connected to constitute refrigeration cycle with piping, and the working media containing HFO has been used, the deoxidation portion (50) for contacting the refrigerant with desiccant or deoxidier is arranged in any part in the refrigeration cycle.
Description
Technical field
The present invention relates to refrigerating circulatory devices and heat circulating system.
Background technique
In the past, it is known that the cooling compressor of refrigerating machine oil, first heat exchanger, capillary or swollen will have been enclosed with piping
The refrigerant flow controls such as swollen valve portion, be set to spatial portion as the second heat exchanger of refrigeration air-conditioner, energy storage part connect with
Refrigeration cycle is constituted, and is situated between by the single working media of HF hydrocarbon (HFO) or by the hybrid working of basis of HF hydrocarbon
Matter encloses refrigerant circulation, and has to be filled with and adsorb in cooling cycle using hydrofluoric acid as the adsorbent material of the substance of principal component
Absorber cooling-cycle device (referring for example to patent document 1).
Similarly, it is known that wherein have and do not have with the HF hydrocarbon between carbon and carbon with double bond for basic ingredient and being mixed with
There is the working media of the hydrofluorocarbon (HFC) of double bond in the refrigerating plant of circulation, which has from compressor via condenser, swollen
The working media circulating path and be configured at described that the working media that swollen mechanism and evaporator return the compressor is recycled
Working media circulating path and the hydrogen fluoride trap portion for accommodating fluorination hydroxide trapping agent (referring for example to patent document 2).
Use HF hydrocarbon as working media in the composition recorded in patent document 1,2.If HF hydrocarbon is by water
Influence with oxygen and decompose, then generate hydrofluoric acid in cooling cycle or refrigeration cycle, so hydrofluoric acid make it is bad using component
Change, but remove generated hydrofluoric acid in patent document 1,2, prevents the use component in cooling cycle or refrigeration cycle whereby
Deterioration.
Existing technical literature
Patent document
Patent document 1: International Publication No. 2010/047116
Patent document 2: Japanese Patent Laid-Open 2010-270957 bulletin
Summary of the invention
The technical problems to be solved by the invention
But HFO has under high temperature or high pressure if there is the property of ignition source then selfdecomposition.
Although currently research uses the working media for containing HFO to be situated between as the work of refrigeration cycle and thermal cycle
Matter, but HFO have above-mentioned reactivity, it is therefore desirable to for the state because of device, the condition such as the temperature of use environment, oxygen with
And presence of ignition source etc. and game a possibility that react.
In the composition of patent document 1,2, although generated hydrofluoric acid is finally eliminated in circulation, in circulation
Allow that there are water and oxygen.A possibility that HFO is influenced by water and oxygen under high-temperature atmosphere and decomposed, and acid is generated is high.HFO is decomposed
The acid of generation can metal parts in corrosive cycle and generate the inorganic nature sludge of metal salt, the sludge itself can become again and promote
The catalyst of the decomposition of HFO.
If generating sludge in refrigeration cycle, it is blocked there are refrigerant flow control portion and obviously damages compressor
The problem of reliability.
Then, the purpose of the present invention is to provide use refrigerating circulatory device and thermal cycle system of the HFO as working media
Inhibit the generation of sludge in system by removing water and oxygen out of circulation, thus the heat that can be also safely operated when using HFO
The circulatory system.
Technical scheme applied to solve the technical problem
In order to achieve the above objectives, refrigerating circulatory device of the invention is to use piping by compressor, condenser, the mechanism of decompressor
It is connected with evaporator to constitute refrigeration cycle and use the refrigerating circulatory device of the working media containing HFO,
The deoxidation for contacting the refrigerant with desiccant or deoxidier is arranged in any part in the refrigeration cycle
Portion.
Heat circulating system of the invention is equipped with the refrigerating circulatory device.
Invention effect
By means of the invention it is possible to inhibit the generation of sludge in refrigeration cycle, in the feelings for having used the working media containing HFO
It can be also safely operated under condition.
Detailed description of the invention
Fig. 1 is the monolithically fabricated figure for indicating an example of refrigerating circulatory device of embodiments of the present invention.
Fig. 2 is the figure for indicating an example in deoxidation portion of the refrigerating circulatory device of embodiments of the present invention.
Fig. 3 is the figure for indicating an example in the deoxidation portion different from the composition of Fig. 2.
Fig. 4 is the figure for indicating an example in the deoxidation portion different from the composition of Fig. 2 and Fig. 3.
Fig. 5 is the figure for indicating the air-conditioning device of an example of the heat circulating system as embodiments of the present invention.
Specific embodiment
Hereinafter, being described with reference to embodiment for carrying out the present invention.
Fig. 1 is the monolithically fabricated figure for indicating an example of refrigerating circulatory device of embodiments of the present invention.As shown in Figure 1,
The refrigerating circulatory device of present embodiment has compressor 10, condenser 20, the mechanism of decompressor 30, evaporator 40,50 and of deoxidation portion
Piping 60.Compressor 10, condenser 20, the mechanism of decompressor 30, evaporator 40 and deoxidation portion 50 are connected circlewise by piping 60, whole
Body constitutes refrigeration cycle.In addition, in the refrigerating circulatory device of present embodiment, use the working media that contains HFO as work
Medium.Working media specifically illustrates later, if containing water or oxygen in refrigeration cycle, HFO is easy to decompose, and there is generation silt
A possibility that slag.The refrigerating circulatory device of present embodiment has the composition for the generation for inhibiting the sludge.It is specific to its below
Content is illustrated.
Compressor 10 plays the work that the gaseous working medium of low-temp low-pressure is compressed into the gaseous working medium of high temperature and pressure
With.The gaseous working medium for the high pressure that reaches a high temperature is transported to condenser 20.
Condenser 20, which is played, is condensed into liquid work for the gaseous working medium for the high temperature and pressure come from the conveying of compressor 10
The effect of medium.The working media of liquid is transported to deoxidation portion 50.In addition, in condenser 20, the heat of gaseous working media
It discharges in air.
Play the role of from working media except deoxidation in deoxidation portion 50.Herein, oxygen refers to oxygen ingredient, i.e. O ingredient, in addition to oxygen
O2It in addition, further include water H2The oxygen ingredient O contained in O.Deoxidation portion 50 has desiccant or deoxidier in inside, makes to pass through deoxidation
The working media of the inside in portion 50 is contacted with desiccant or deoxidier, except deoxidation ingredient from working media.It is able to suppress whereby
The generation of sludge in refrigeration cycle.
Deoxidation portion 50 may be disposed at any part in refrigeration cycle.The reason is that any part can be from working media
Except deoxidation ingredient.But from the aspect of oxygen removal efficiency, it is preferably disposed between condenser 20 and the mechanism of decompressor 30.It is condensing
Between device 20 and the mechanism of decompressor 30, working media is the state of liquid working media, and reason is to make with good efficiency
Working media is contacted with desiccant or deoxidier.That is, working media can be spread in the state of gaseous working medium, therefore i.e.
Desiccant or deoxidier are just set in deoxidation portion 50, also not necessarily ensure that working media is contacted with desiccant or deoxidier, and
In the state of liquid working media, if desiccant or deoxidier are arranged in flow path, ensure working media and desiccant
Or a possibility that deoxidier contact, is high.
In addition, the specific composition in deoxidation portion 50 describes later.
The mechanism of decompressor 30, which plays, to be made to form low temperature via deoxidation portion 50 or by the liquid refrigerant that condenser 20 directly transports
The effect of the damp steam of low pressure.Whereby, liquid working media is again transformed into gaseous working media.In addition, the mechanism of decompressor 30
Make expanding working medium, therefore also referred to as expansion mechanism 30 by decompression.
Evaporator 40 plays the refrigerant gas evaporation for making to convey the damp steam shape of the low-temp low-pressure come from the mechanism of decompressor 30
To form the effect of the gasiform working media of low-temp low-pressure.In addition, gaseous working media absorbs week in evaporator 40
The heat enclosed and evaporate.
The gaseous working medium of the low-temp low-pressure come from the conveying of evaporator 40 is inhaled into compressor 10 and is compressed, again shape
At the gaseous working medium of high temperature and pressure.
Hereinafter, above-mentioned rise from the refrigeration cycle of compressor 10 repeats, and repeat working media heat release and
The heat absorption of refrigerant.
In addition, basic refrigeration cycle is by making refrigerant in compressor 10, condenser 20, the mechanism of decompressor 30 and evaporator
For circulation to carry out, the oxygen ingredient for removing and generating in refrigeration cycle plays to inhibit the sludge in refrigeration cycle in deoxidation portion 50 in 40
The effect of generation.To which deoxidation portion 50 may be disposed at any part in refrigeration cycle.
Then, it is illustrated using composition of the Fig. 2 to an example in deoxidation portion 50.Fig. 2 is to indicate embodiments of the present invention
Refrigerating circulatory device deoxidation portion 50 an example composition figure.
As shown in Fig. 2, deoxidation portion 50 has tubular element 51, entrance 52, outlet 53, entrance side circulating face 54, outlet side
Circulating face 55, deoxidier maintaining part 56, deoxidier 57.
Tubular element 51 is the component to form the tubulose of shape in deoxidation portion 50, is connect with piping 60, and refrigeration cycle is constituted
Flow path a part.
Entrance 52 and outlet 53 are the entrance and exits of refrigerant, are the both ends connecting with piping 60.That is, deoxidation portion 50
Entrance 52 and outlet 53 60 connect with piping, a part of the flow path of the composition refrigeration cycle of deoxidation portion 50.
Entrance side circulating face 54 and outlet side circulating face 55 are two faces constituted in such a way that working media can circulate,
It is arranged in a manner of in conjunction with the inner peripheral surface of tubular element 51.Entrance side circulating face 54 and outlet side circulating face 55 are situated between with work
The shape that matter can circulate, such as with the cancellous opening such as sieve-like, clathrate.
Space between entrance side circulating face 54 and outlet side circulating face 55 constitutes deoxidier maintaining part 56.Deoxidier is kept
Portion 56 is to maintain the region of deoxidier 57.Therefore, the opening of the formation mesh of entrance side circulating face 54 and outlet side circulating face 55
The region that can preferably deoxidier 57 be maintained in deoxidier maintaining part 55 and size are less than the partial size of deoxidier 57
Opening.
Deoxidier 57 is the granular reagent for removing the oxygen in refrigerant.If deoxidier 57 can remove refrigerant
In oxygen, then be able to use various deoxidiers 57.Iron powder for example can be used in deoxidier 57.
In addition, as described above, desiccant can also be used in deoxidier 57.If desiccant can remove the water in refrigerant,
It is able to use various desiccant.As desiccant, be able to use for example anhydrous calcium sulfide, calcium chloride, barium monoxide, five phosphorous oxides,
Activated alumina, silica dioxide gel, molecular sieve.At this point, deoxidier maintaining part 56 is desiccant maintaining part 56.In addition, can also
Deoxidier maintaining part 56 and desiccant maintaining part 56 are referred to as reagent maintaining part 56.
In addition, other than deoxidier 57, it is possible to use remove the fluorination hydroxide trapping agent of the hydrogen fluoride in working media.Make
To be fluorinated hydroxide trapping agent, using the reagent with hydrogen fluoride reaction, the by-product of preferred fluorinated hydrogen trapping reaction is not easy making
The reagent having a negative impact in SAPMAC method.Wherein, it is preferable to use with hydrogen fluoride reaction and do not occur back reaction calcium carbonate,
The combination of one or more in calcium oxide and calcium hydroxide.
In addition, entrance side circulating face 54 and outlet side circulating face 55 are other than cancellous structure, if it is possible to circulate
Working media is then also possible to working media permeable component, the fiber construct of permeability etc..
Fig. 3 is the figure for indicating an example of the deoxidation portion 50a different from the composition of Fig. 2.Deoxidation portion 50a is having tubular element
51, entrance 52, outlet 53, entrance side circulating face 54 and the aspect of deoxidier 57 and the deoxidation portion 50 of Fig. 2 are identical, de- with Fig. 2
Oxygen portion 50 the difference is that, do not have outlet side circulating face 55, and have bag-shaped deoxidier maintaining part 56a.As such, de-
Oxygen agent maintaining part 56a also may be configured as bag-shaped, the holding deoxidier 57 in bag.In addition, in this case, deoxidier maintaining part
56a can be cloth-like, also may be configured as mesh-shape.
In addition, illustrating the example of not set outlet side circulating face 55 in Fig. 3, but can also be further in the composition of Fig. 3
Setting outlet effluent leads to face 55.
In addition, deoxidier 57 can also be used as to desiccant, it is identical as the explanation in Fig. 1 and Fig. 2.
Fig. 4 is the figure for indicating an example of the deoxidation portion 50b different from the composition of Fig. 2 and Fig. 3.Deoxidation portion 50b have into
Mouth 52, outlet 53, deoxidier maintaining part 56 and the aspect of deoxidier 57 and the deoxidation portion 50 of Fig. 2 are identical, tubular element 51a, enter
Mouth side circulating face 55, the composition of outlet side circulating face 55a are different from the deoxidation portion 50 of Fig. 2.In addition, with the deoxidation portion 50 of Fig. 2
It also differ in that, strainer 58 is newly provided in tubular element 51a.
Firstly, upstream tubular member 51b and downstream tubular member 51c that tubular element 51a has caliber different.On
The caliber for swimming tubular member 51b is greater than the caliber of downstream tubular member 51c.The downstream of upstream tubular member 51b with
The upstream end of downstream tubular member 51c connects, and is integrally formed tubular element 51a.
Entrance side circulating face 54a and outlet side circulating face 55a are provided in the tubular member 51c of downstream, in entrance effluent
Deoxidier maintaining part 56 is formed between logical face 54a and outlet side circulating face 55a, keeps deoxidier in deoxidier maintaining part 56
57, it is identical as the deoxidation portion 50 of Fig. 2 in this respect.With the deoxidation portion 50 of Fig. 2 the difference is that, the deoxidation portion 50b's of Fig. 4
Entrance side circulating face 54a and outlet side circulating face 55a are made of strainer.Constitute entrance side circulating face 54a and outlet side circulating face
The strainer of 55a has fixed deoxidation in the same manner as the entrance side circulating face 54a in the deoxidation portion 50 of Fig. 2 and outlet side circulating face 55a
The effect of agent 57, therefore preferred grid size is not terrifically small, such as uses the strainer of 100 mesh or so.
On the other hand, although tubular member 51b in upstream is also provided with strainer 58, it is preferred that the grid of strainer 58 compares structure
Strainer at entrance side circulating face 54a and outlet side circulating face 55a is thinner, so as to trap sludge in upstream side.Upstream side
The caliber of tubular element 51b is greater than the caliber of downstream tubular member 51c, therefore the area of strainer 58 is greater than entrance side circulating face
54a and outlet side circulating face 55a.To even if blocking is also only limitted to one in the case where strainer 58 having occurred being blocked by sludge
Blocking in the entire surface of strainer 58 hardly occurs for part.Therefore, strainer 58 can play the role of trapping sludge, energy
Enough prevent sludge in the attachment on the surface of deoxidier 57.
As such, can also further exist while entrance side circulating face 54a and outlet side circulating face 55a are configured to strainer
The strainer 58 for trapping sludge is arranged in upstream side.
In addition, strainer 58 can not also be arranged in upstream side, make the entrance side circulating face 54 and outlet side in the deoxidation portion 50 of Fig. 2
Circulating face 55 is as the entrance side circulating face 54a for being set to downstream tubular member 51c of Fig. 4 and outlet side circulating face 55a
It is constituted in a manner of strainer.
In addition, applicable desiccant substitutes deoxidier 57 in the deoxidation portion 50 being formed arbitrarily, 50a, 50b, this respect with
Explanation so far is identical.
As such, if deoxidation portion 50,50a, 50b can make working media contact and pass through with deoxidier 57 or desiccant,
It then can be various compositions.In addition, it is contemplated that the case where working media is gaseous state or liquid is suitably composed correspondingly to use,
It is also possible to cope with the composition of both liquid working media and gaseous working medium.Fig. 2 can be fitted to composition shown in Fig. 4
For both liquid working media and gaseous working medium.
As such, the refrigerating circulatory device of present embodiment has deoxidation portion 50 in refrigeration cycle, system can be removed whereby
Water and oxygen in SAPMAC method, to inhibit the generation of sludge.Whereby, even with chance water and the diffluent HFO of oxygen as refrigeration
Agent can also inhibit the generation of sludge.
In addition, the refrigerating circulatory device of present embodiment can be used in the heat circulating systems such as air-conditioning device.Hereinafter, for will
The compressor 10 of the cooling cycle system of Fig. 1 is changed to compressor 10a, condenser 20 is changed to indoor heat exchanger 20a, inciting somebody to action
The mechanism of decompressor 30 is changed to expansion valve 30a, evaporator 40 is changed to outdoor heat exchanger 40a, is changed to take off by deoxidation portion 50
Oxygen portion 50c and the example for constituting air-conditioning device 150 is illustrated.
Fig. 5 is an example of the air-conditioning device 150 of an example for indicating the heat circulating system as embodiments of the present invention
Figure.
As shown in figure 5, air-conditioning device 150 has outdoor unit 150a and indoor unit 150b, it is arranged in outdoor unit
In 150a as the compressor 10a of compression mechanism, four-way switching valve 154, as expansion (decompression) mechanism expansion valve 30a,
Opening valve 159, outdoor heat exchanger 40a, the indoor heat exchanger 20a being arranged in unit 150b indoors are connected by piping 60a
It connects and constitutes the path 61 of refrigerant circulation.In addition, the indoor unit between indoor heat exchanger 20a and expansion valve 30a
Deoxidation portion 50c is provided in 150a.Deoxidation portion 50c can contain desiccant, can also contain deoxidier 57.In addition, constituting can be
Fig. 2 is also possible to other compositions to deoxidation portion 50 shown in Fig. 4, the composition of 50a, 50b.By being arranged deoxidation portion 50c in heat
In the circulatory system, it is able to suppress the decomposition of the HFO in thermal cycle, and then inhibit the generation of sludge.
It is provided with fan 160 in outdoor heat exchanger 40a, fan 161, each unit point are provided in indoor unit 150b
It is not cooled by the air-supply of fan 160,161.Opening valve 159 is set to the side outdoor unit 150a, and being can will be in path 61
The emergency valve that the refrigerant of interior circulation is discharged to outdoor unit 150a (outside device).
The air-conditioning device 150 can reverse the circulation side of refrigerant by the switching action of above-mentioned four-way switching valve 154
To, can by refrigeration and heating in a manner of run.That is, being sequentially connected compressor 10a, outdoor unit 150a (heat in air-conditioning device 150
Source) outdoor heat exchanger 40a, expansion valve 30a, indoor unit 150b (utilize side) indoor heat exchanger 20a, constitute work
Make the path 61 of the reversible working media of medium circulation.
In addition, air-conditioning device 150 has the various sensors of control device 170, configuration on path 61 or in each unit
S1~S8, it is filled by the power supply from AC power source 171 to power supply such as the compressor 10a inverters supplied electric power
Set 172.
Sensor S1, S2 are the sensors for detecting leakage of (detection) refrigerant to outside path 61.Sensor S1 is set
It is placed in the inside of outdoor unit 150a.Sensor S2 is set to the inside of indoor unit 150b.
Sensor S3 is the sensor for detecting the temperature of the working media to circulate in the discharge pipe of compressor 10a.
Sensor S4 is situated between for detecting the work circulated in the piping 60a between the heat exchanger 40a and expansion valve 30a of heat source side
The sensor of the temperature of matter.Sensor S5 is the sensor for detecting the opening degree of expansion valve 30a.Sensor S6 is to be used for
Detect the sensor of the temperature of the motor (not shown) of the driving portion as compressor 10a.Sensor S7, S8 are configured at expansion valve
The front and back (input terminal and output end) of 30a and the biography for detecting the flow of the working media of circulation in path 61 (in piping 60a)
Sensor.
Control device 170 controls above-mentioned various machines based on the detection information detected by various sensor S1~S8
(compressor 10a, four-way switching valve 154, expansion valve 30a, opening valve 159, outdoor heat exchanger 40a, indoor heat exchanger 20a,
Fan 160,161).Specifically, the power supply device 172 that the motor of the opposite compressor 10a of control device 170 supplies electric power
Drive control is carried out, drives compressor 10a whereby.Opening valve 169 is can open/close from path 61 to unit outer branches
The mode of piping 58 out is arranged, and is generally in closed state.Opening valve 159 is led at avoiding operation (Japanese: avoidance action)
Control device 170 is crossed to be turned on.
Here, the substantially operation operation of air-conditioning device 150 is illustrated.
When heating is run, the solid line of four-way switching valve 154 as shown in Figure 5 is set.If operation pressure in this state
Contracting machine 10a, then indoor heat exchanger 20a is carried out as the condenser 20 in Fig. 1, outdoor heat exchanger 40a as evaporator 40
Refrigeration cycle.
The high-pressure refrigerant being discharged from compressor 10a flows to indoor heat exchange via four-way switching valve 154 (the point d2 of Fig. 5)
Device 20a condenses (the point d3 of Fig. 5) to room air heat release.At this point, the high-pressure refrigerant of condensation passes through deoxidation portion 50c, thus
Remove the oxygen ingredient in high-pressure refrigerant.The high-pressure refrigerant for having passed through deoxidation portion 50c flows into expansion valve 30a, passes through expansion valve
30a is depressurized and is formed low pressure refrigerant (the point d4 of Fig. 5), inflow outdoor heat exchanger 40a.
The low pressure refrigerant of inflow outdoor heat exchanger 40a absorbs heat from outdoor air and is evaporated.Vaporized low voltage refrigeration
Agent is inhaled into compressor 10a via four-way switching valve 154, by the point d1 of Fig. 5.Then, the low pressure refrigerant quilt being inhaled into
Compression, is discharged as high-pressure refrigerant again.By repeating the operation, air-conditioning device 150 carries out heating operating.
In the indoor heat exchanger 20a and outdoor heat exchanger 40a of air-conditioning device 150, work when refrigeration operation is situated between
The flowing of working media when the flowing of matter and heating operate is opposite direction.For example, indoor heat exchanger 20a and outdoor heat
Exchanger 40a in refrigeration operation, formed working media inflow side be the outlet side of air, working media outflow side be empty
The so-called convection current of the entrance side of gas, in heating operating, the inflow side of working media is the entrance side of air, working media
Outflow side is the outlet side of air.At this point, other deoxidations can further be arranged between outdoor heat exchanger 40a and expansion valve 30a
Portion 50c, deoxidation portion 50c are constituted in a manner of it can be suitable for liquid refrigerant and gaseous working medium, heat can also be handed over indoors
It changes planes and is dried by gaseous working media at the deoxidation portion 50c between 20a and expansion valve 30a or deoxidation.In addition, in Fig. 5
In, the example that deoxidation portion 50c is provided between indoor heat exchanger 20a and expansion valve 30a is illustrated, but deoxidation portion
50c can be set to any part in thermal cycle.
As such, heat circulating system can be removed by the way that deoxidation portion 50c is arranged in the heat circulating systems such as air-conditioning device 150
Interior oxygen ingredient, and then inhibit the generation of sludge in thermal cycle.
Then, refrigerant used in the refrigerating circulatory device of embodiments of the present invention and heat circulating system is said
It is bright.
As described above, refrigerant used in the refrigerating circulatory device and heat circulating system of embodiments of the present invention includes
HF hydrocarbon (HFO).As HFO, can enumerate trifluoro-ethylene (HFO-1123), 2,3,3,3- tetrafluoropropenes (HFO-1234yf),
1,2- difluoroethylene (HFO-1132), 2- fluoropropene (HFO-1261yf), 1,1,2- trifluoro propene (HFO-1243yc), it is trans--
1,2,3,3,3- pentafluoropropene (HFO-1225ye (E)), cis- -1, it is 2,3,3,3- pentafluoropropenes (HFO-1225ye (Z)), anti-
Formula -1,3,3,3- tetrafluoropropenes (HFO-1234ze (E)), cis- -1,3,3,3- tetrafluoropropenes (HFO-1234ze (Z)), 3,3,
3- trifluoro propene (HFO-1243zf) etc. preferably comprises HFO-1234yf, HFO-1234ze (E) or HFO-1234ze (Z), more excellent
Choosing includes HFO-1234yf or HFO-1123, particularly preferably includes HFO-1123.
Working media of the invention preferably comprises HFO-1123, can also contain aftermentioned any ingredient as needed.Relatively
In working media 100 mass %, HFO-1123 content preferably more than 10 mass %, more preferably 20~80 mass %, into
One step is preferably 40~80 mass %, is still more preferably 40~60 mass %.
(HFO-1123)
Characteristic of the HFO-1123 as working media is shown in table 1, wherein especially with R410A (HFC-32 and HFC-125
Mass ratio be 1: 1 near-azeotrope mix refrigerant) carried out relatively.Effect of the cycle performance to be found out with aftermentioned method
Rate coefficient and refrigerating capacity indicate.The efficiency factor and refrigerating capacity of HFO-1123 (1.000) on the basis of R410A uses relative value
(hereinafter referred to as relative efficiency coefficient and relative cooling power) indicates.Greenhouse effects coefficient (GWP) is that inter-governmental climate change is special
100 years values shown in the industry committee (IPCC) the 4th appraisal report book (2007), or measure in the method 100
The value in year.In this specification unless otherwise noted, then GWP refers to the value.When working media is made of mixture, as described later, temperature
Spend an important factor for gradient is appraisal medium, preferably lesser value.
[table 1]
Table 1
R410A | HFO-1123 | |
Relative efficiency coefficient | 1.000 | O.921 |
Opposite refrigerating capacity | 1.000 | 1.146 |
Temperature gradient [DEG C] | 0.2 | O |
GWP | 2088 | O.3 |
[any ingredient]
Working media used in the present invention preferably comprises HFO-1123, within the scope of the effect of the invention,
It can also be arbitrarily containing the compound used usually as working media in addition to HFO-1123.As this arbitrary compound
(any ingredient), for example, can enumerate other than HFC and HFO-1123 HFO (with carbon-to-carbon double bond HFC), these compounds with
It is outer with HFO-1123 co-gasification, liquefied other compositions etc..As any ingredient, preferably other than HFC, HFO-1123
HFO (HFC with carbon-to-carbon double bond).
As any ingredient, has when preferably for example being combined with HFO-1123 and being used for thermal cycle and further increase above-mentioned phase
While to the effect of efficiency factor and relative cooling power, GWP and temperature gradient rest on the compound in permissible range.Work
If making medium contains this compound combined with HFO-1123, GWP is being maintained into low-level and is being obtained be more good
Cycle performance while, by temperature gradient generate influence it is also seldom.
(temperature gradient)
In the case where working media contains such as HFO-1123 and any ingredient, except HFO-1123 and any ingredient are total
Except the case where boiling composition, there is sizable temperature gradient.The temperature gradient of working media according to the type of any ingredient with
And HFO-1123 and the mixed proportion of any ingredient and it is different.
Use mixture as in the case where working media, it is usually preferred to use azeotropic mixture or the approximation such as R410A
Azeotropic mixture.Non-azeotropic compositions exists when filling from pressure vessel to refrigeration air-conditioner machine forms changed ask
Topic.Further, in the case where leakage of refrigerant occurs for refrigeration air-conditioner machine, the refrigerant in refrigeration air-conditioner machine, which forms, to be occurred
A possibility that variation, is very big, it is difficult to restore to the refrigerant of original state to form.On the other hand, if it is azeotropic mixture or closely
Like azeotropic mixture, then it can be avoided the above problem.
The index using possibility of working media as evaluation mixture, generally use " temperature gradient ".Temperature ladder
Degree is defined as initial temperature evaporating in heat exchanger, such as evaporator or condensing in the condenser property different with final temperature
Matter.Temperature gradient is 0, when near-azeotropic mixture in azeotropic mixture, such as the temperature gradient of R410A is 0.2, temperature gradient
It is very close in 0.
If temperature gradient is big, the inlet temperature that there is such as evaporator reduce and what a possibility that leading to frosting, increased
Problem.Further, in heat circulating system, usually make the working media flowed in heat exchanger to improve heat exchanger effectiveness
Convection current is formed with heat source fluids such as water and air, the temperature difference of the heat source fluid is small under steady running state, therefore in temperature
In the case where the big non-azeotrope blending agent of gradient, it is difficult to obtain the good heat circulating system of energy efficiency.Therefore, by mixture
As working media in use, being contemplated to be the working media with suitable temperature gradient.
(HFC)
As the HFC of any ingredient, preferably selected from the above point of view.Herein, it is known that compared with HFO-1123,
The GWP of HFC is higher.Therefore, it as the HFC combined with HFO-1123, is preferably suitably selected from following viewpoint: in addition to
Except improving the cycle performance of above-mentioned working media and resting on temperature gradient in appropriate range, it is important to stop GWP
In permissible range.
As influencing small and small to influenced by global warming HFC on ozone layer, the HFC of specific preferably carbon number 1~5.HFC
Either straight-chain, is also possible to branched, it can also be cyclic annular.
As HFC, HFC-32, Difluoroethane, trifluoroethane, tetrafluoroethane, HFC-125, pentafluoropropane, hexafluoro can be enumerated
Propane, heptafluoro-propane, 3-pentafluorobutane, seven fluorine pentamethylene etc..
Wherein, as HFC, from the point of view of influencing small and refrigeration cycle characteristic good to ozone layer, preferably HFC-
32,1,1- Difluoroethane (HFC-152a), 1,1,1- trifluoroethane (HFC-143a), 1,1,2,2- tetrafluoroethane (HFC-134),
HFA 134a (HFC-134a) and HFC-125, more preferable HFC-32, HFC-152a, HFC-134a and HFC-
125。
HFC can be used alone a kind, can also be applied in combination with two or more.
HFC content in working media (100 mass %) can carry out any selection according to the requirement characteristic of working media.Example
Such as, when constituting working media by HFO-1123 and HFC-32, the range that the content of HFC-32 is 1~99 mass % then efficiency factor
It is improved with refrigerating capacity.When constituting working media by HFO-1123 and HFC-134a, the content of HFC-134a is 1~99 matter
Then efficiency factor is improved the range of amount %.
In addition, the GWP about above-mentioned preferred HFC, HFC-32 675, HFC-134a 1430, HFC-125 3500.
Inhibit from the point of view of low-level from by the GWP of gained working media, as the HFC of any ingredient, most preferably HFC-32.
In addition, the mass ratio of HFO-1123 and HFC-32 is then capable of forming close to altogether in 99: 1~1: 99 compositing range
The near-azeotropic mixture of boiling does not almost have to selection compositing range, and the temperature gradient of the mixture of the two is just close to 0.From this
A little consider, as the HFC combined with HFO-1123, HFC-32 is also advantageous.
In working media used in the present invention, in the case where using HFO-1123 and HFC-32 at the same time, relative to work
The content of medium 100 mass %, HFC-32 are specifically preferably more than 20 mass %, more preferably 20~80 mass %, further
Preferably 40~60 mass %.
In working media used in the present invention, such as when containing HFO-1123, as the HFO other than HFO-1123, from
With high-critical temperature, durability and efficiency factor it is excellent from the point of view of, preferably HFO-1234yf (GWP=4), HFO-
1234ze (E), HFO-1234ze (Z) (GWP of (E) body and (Z) body is 6), more preferable HFO-1234yf, HFO-1234ze
(E).HFO other than HFO-1123 can be used alone a kind, two or more can also be applied in combination.Working media (100 matter
Measure %) in HFO-1123 other than HFO content can carry out any selection according to the requirement characteristic of working media.For example, by
When HFO-1123 and HFO-1234yf or HFO-1234ze constitutes working media, the content of HFO-1234yf or HFO-1234ze are
Then efficiency factor is improved the range of 1~99 mass %.
Working media used in the present invention when containing HFO-1123 and HFO-1234yf preferred compositing range with
It is lower to be indicated with compositing range (S).
In addition, indicate compositing range (S) it is various in, the abbreviation of each compound is indicated relative to HFO-1123, HFO-
The ratio (quality %) of the compound of the total amount of 1234yf and other compositions (HFC-32 etc.).
<compositing range (S)>
The mass of HFO-1123+HFO-1234yf≤70 %
The 95 mass %≤HFO-1123/ (mass of HFO-1123+HFO-1234yf)≤35 %
The GWP of the working media of compositing range (S) is extremely low, and temperature gradient is small.In addition, from efficiency factor, refrigerating capacity with
And from the point of view of critical-temperature, the refrigeration cycle performance that can substitute previous R410A can also be presented.
In the working media of compositing range (S), relative to the total amount of HFO-1123 and HFO-1234yf, the ratio of HFO-1123
Example more preferable 40~95 mass %, further preferred 50~90 mass %, particularly preferred 50~85 mass %, most preferably 60~85
Quality %.
In addition, more preferable 80~100 matter of total content of HFO-1123 and HFO-1234yf in 100 mass % of working media
Measure %, further preferred 90~100 mass %, particularly preferred 95~100 mass %.
Further, the working media used in the present invention preferably comprises HFO-1123, HFC-32 and HFO-1234yf, is containing
Range (P) is preferably constituted as follows when HFO-1123, HFO-1234yf and HFC-32.
In addition, indicate compositing range (P) it is various in, the abbreviation of each compound is indicated relative to HFO-1123, HFO-
The ratio (quality %) of the compound of the total amount of 1234yf and HFC-32.Compositing range (R), compositing range (L), compositing range
(M) also the same such.In addition, in the compositing range recorded below, HFO-1123, HFO-1234yf and HFC-32 for specifically recording
Total amount relative to working medium for heat cycle total amount be preferably greater than 90 mass % and below 100 mass %.
<compositing range (P)>
70 mass %≤HFO-1123+HFO-1234yf
30 mass of mass %≤HFO-1123≤80 %
The 0 mass % < mass of HFO-1234yf≤40 %
The 0 mass % < mass of HFC-32≤30 %
The mass of HFO-1123/HFO-1234yf≤95/5 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with good
Good balance is played and inhibits the working media of respective disadvantage.That is, the working media is that GWP is suppressed
For extremely low level, when for thermal cycle since temperature gradient is small and has certain ability and efficiency and can obtain good
Cycle performance working media.Herein, the total amount relative to HFO-1123, HFO-1234yf and HFC-32, HFO-1123 and
The total amount of HFO-1234yf is preferably more than 70 mass %.
In addition, the preferred composition as working media used in the present invention, can enumerate relative to HFO-1123, HFO-
The total amount of 1234yf and HFC-32, the content ratio of HFO-1123 are that the content ratio of 30~70 mass %, HFO-1234yf is 4
The content ratio of~40 mass % and HFC-32 is containing for 0~30 mass % and the HFO-1123 relative to working media total amount
Amount is in 70 moles of % compositions below.Not only said effect is improved the working media of the range, and HFO-1123's divides certainly
Solution reaction is also inhibited, and is the high working media of durability.From the viewpoint of relative efficiency coefficient, the content of HFC-32 is excellent
5 mass % or more are selected in, more preferably more than 8 mass %.
In addition, further it is shown that when working media used in the present invention contains HFO-1123, HFO-1234yf and HFC-32
Other are preferably constituted, as long as relative to the content of the HFO-1123 of working media total amount in 70 moles of % hereinafter, as long as can be obtained
The working media that the selfdecomposition reaction of HFO-1123 is suppressed, durability is high.
Further preferred compositing range (R) described below.
<compositing range (R)>
10 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤50 %
The 30 mass % < mass of HFC-32≤75 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with good
Good balance is played and inhibits the working media of respective disadvantage.That is, GWP is suppressed in low-level and resistance to
It is that long property is ensured, when for thermal cycle since temperature gradient is small and has ability and efficiency and can obtain good
The working media of cycle performance.
The preferred scope of working media of the invention with above-mentioned compositing range (R) is described below.
20 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤40 %
The 30 mass % < mass of HFC-32≤75 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with spy
Not good balance is played and inhibits the working media of respective disadvantage.That is, GWP is suppressed in low-level
And durability ensured, when for thermal cycle due to temperature gradient is smaller and there is higher ability and efficiency and can
Obtain the working media of good cycle performance.
The preferred compositing range (L) of working media of the invention with above-mentioned compositing range (R) is described below.
Further preferred compositing range (M).
<compositing range (L)>
10 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤50 %
The 30 mass % < mass of HFC-32≤44 %
<compositing range (M)>
20 mass %≤HFO-1123 <, 70 mass %
5 mass of mass %≤HFO-1234yf≤40 %
The 30 mass % < mass of HFC-32≤44 %
Working media with above-mentioned compositing range (M) is that HFO-1123, HFO-1234yf and HFC-32 respectively have
Characteristic is played with particularly good balance and inhibits the working media of respective disadvantage.That is, the working media
Be the GWP upper limit be suppressed in 300 or less and durability ensured, when for thermal cycle due to temperature gradient be lower than
5.8 low value and relative efficiency coefficient and relative cooling power can obtain the working media of good cycle performance close to 1.
If falling into the range, the upper limit of temperature gradient is reduced, relative efficiency coefficient × relative cooling power lower limit
It improves.From relative efficiency coefficient it is big from the point of view of, more preferably 8 mass %≤HFO-1234yf.In addition, from opposite refrigeration energy
From the point of view of power is big, the mass of more preferable HFO-1234yf≤35 %.
In addition, other working medias used in the present invention preferably comprise HFO-1123, HFC-134a, HFC-125 and
HFO-1234yf can inhibit the combustibility of working media by the composition.
Further preferably HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are situated between preferably with respect to work
Matter total amount, the sum-rate of HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are more than 90 mass % and in 100 matter
% is measured hereinafter, total amount relative to HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, the ratio of HFO-1123 is 3
35 mass % of quality % or more hereinafter, HFC-134a ratio more than 10 mass % 53 mass % hereinafter, HFC-125 ratio
The 50 mass % more than 4 mass % hereinafter, HFO-1234yf ratio more than 5 mass % 50 mass % or less.By using
This working media, then working media has noninflammability and safety is excellent, further reduces to ozone layer and global warming
Influence, cycle performance more excellent working media can be become when for heat circulating system.
Most preferably HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, more preferably relative to working media
Total amount, the sum-rate of HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are more than 90 mass % and in 100 mass %
Hereinafter, the total amount relative to HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, the ratio of HFO-1123 is in 6 matter
Measure 25 mass % of % or more hereinafter, HFC-134a ratio more than 20 mass % 35 mass % hereinafter, the ratio of HFC-125 exists
8 mass % or more, 30 mass % hereinafter, HFO-1234yf ratio more than 20 mass % 50 mass % or less.By using this
Kind working media, then working media has noninflammability and safety is more excellent, further reduces to ozone layer and the whole world
The influence warmed can become cycle performance further more excellent working media when for heat circulating system.
(any other ingredient)
Working media used in heat circulating system of the invention composition can also contain two in addition to above-mentioned any ingredient
Carbonoxide, hydrocarbon, chlorine fluoroolefins (CFO), hydro-chloro fluoroolefin (HCFO) etc..As any other ingredient, preferably ozone layer is influenced
Small and small to influenced by global warming ingredient.
As hydrocarbon, propane, propylene, cyclopropane, butane, iso-butane, pentane, isopentane etc. can be enumerated.
Hydrocarbon can be used alone a kind, can also be applied in combination with two or more.
In the case where above-mentioned working media contains hydrocarbon, content is lower than 10 matter relative to 100 mass % of working media
Measure %, preferably 1~5 mass %, more preferable 3~5 mass %.If hydrocarbon is larger than lower limiting value, working media chats species refrigeration
The dissolubility of machine oil is be more good.
As CFO, chlorine fluoropropene and chlorine vinyl fluoride etc. can be enumerated.From preventing from being greatly reduced the cycle performance of working media simultaneously
It is easy from the perspective of the combustibility for inhibiting working media, as CFO, preferably 1,1- bis- chloro- 2,3,3,3- tetrafluoropropene (CFO-
1214ya), 1,3- bis- chloro- 1,2,3,3- tetrafluoropropenes (CFO-1214yb), chloro- 1, the 2- difluoroethylene (CFO- of 1,2- bis-
1112)。
CFO can be used alone a kind, can also be applied in combination with two or more.
In the case where working media contains CFO, content is lower than 10 matter relative to 100 mass % of working media
Measure %, preferably 1~8 mass %, more preferable 2~5 mass %.If the content of CFO is larger than lower limiting value, it is easy that work is inhibited to be situated between
The combustibility of matter.If the content of CFO is below the upper limit, it is easy to get good cycle performance.
As HCFO, hydrogen chlorine fluoropropene and hydrogen chlorine vinyl fluoride etc. can be enumerated.From preventing the circulation that working media is greatly reduced
Performance is simultaneously easy from the perspective of the combustibility for inhibiting working media, as HCFO, preferably 1- chloro- 2,3,3,3- tetrafluoropropenes
(HCFO-1224yd), chloro- 1, the 2- difluoroethylene (HCFO-1122) of 1-.
HCFO can be used alone a kind, can also be applied in combination with two or more.
In the case where above-mentioned working media contains HCFO, the content of HCFO is lower than 10 matter in 100 mass % of working media
Measure %, preferably 1~8 mass %, more preferable 2~5 mass %.If the content of HCFO is larger than lower limiting value, it is easy to inhibit work
The combustibility of medium.If the content of HCFO is below the upper limit, it is easy to get good cycle performance.
It is any other in working media when containing any other ingredient as described above for working media of the invention
The total content of ingredient is lower than 10 mass %, preferably in 8 mass % hereinafter, more preferably 5 relative to 100 mass % of working media
Quality % or less.
Using the refrigerating circulatory device and heat circulating system 150 of embodiments of the present invention, even it is easy to happen and divides certainly
The work refrigerant of solution can also prevent the generation of sludge in refrigeration cycle and steadily run refrigeration cycle.
It is right although describing the invention in detail or the present invention is described referring to particular implementation
It should be apparent to those skilled in the art that can be made various changes in the case where not departing from thought and range of the invention and
Modification.The application, will be in it based on the Japanese patent application (Japan Patent Patent 2016-3873) submitted on January 12nd, 2016
Hold and is included in herein as reference.
Symbol description
10,10a compressor
20,20a condenser
30, the 30a mechanism of decompressor
40,40a evaporator
50,50a, 50b, 50c deoxidation portion
51,51a, 51b, 51c tubular element
52 entrances
53 outlets
54,54a entrance side circulating face
55,55a outlet side circulating face
56,56a deoxidier maintaining part
57 deoxidiers
58 strainers
150 heat circulating systems
Claims (12)
1. refrigerating circulatory device, it is to be connected compressor, condenser, the mechanism of decompressor and evaporator to constitute refrigeration and follow with piping
Ring and the refrigerating circulatory device for having used the working media containing HF hydrocarbon (HFO), wherein
Any part in the refrigeration cycle is provided with the deoxidation for contacting the working media with desiccant or deoxidier
Portion.
2. refrigerating circulatory device as described in claim 1, which is characterized in that the deoxidation portion is set to the condenser and institute
It states between the mechanism of decompressor.
3. refrigerating circulatory device as claimed in claim 1 or 2, which is characterized in that the deoxidation portion is with both ends and the refrigeration
The mode of the tubular element of piping connection in circulation is constituted, and is had
Make refrigerant circulate entrance side circulating face and
It is set to the downstream side of the entrance side circulating face and keeps the reagent maintaining part of the desiccant or the deoxidier.
4. refrigerating circulatory device as claimed in claim 3, which is characterized in that the entrance side circulating face is configured to mesh-shape.
5. refrigerating circulatory device as described in claim 3 or 4, which is characterized in that also having makes the working media circulation
Outlet side circulating face,
There is the reagent maintaining part between the entrance side circulating face and the outlet side circulating face.
6. refrigerating circulatory device as claimed in claim 5, which is characterized in that the outlet side circulating face is configured to mesh-shape.
7. the refrigerating circulatory device as described in any one of claim 3~6, which is characterized in that the reagent maintaining part is constituted
It is bag-shaped.
8. the refrigerating circulatory device as described in any one of claim 3~7, which is characterized in that in the entrance side circulating face
Upstream side be provided with the strainer for trapping sludge.
9. refrigerating circulatory device as claimed in claim 8, which is characterized in that the area of the strainer is greater than the entrance effluent
The area in logical face.
10. such as refrigerating circulatory device according to any one of claims 1 to 9, which is characterized in that the HFO includes HFO-
1123。
11. refrigerating circulatory device as claimed in claim 10, which is characterized in that the working media is the single of HFO-1123
Refrigerant, the mix refrigerant of HFO-1123 and HFC-32, HFO-1123 and HFO-1234yf mix refrigerant or HFO-
1123, the mix refrigerant of HFO-1234yf and HFC-32.
12. heat circulating system, which is characterized in that be equipped with refrigerating circulatory device described in any one of claim 1~11.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2016-003873 | 2016-01-12 | ||
JP2016003873 | 2016-01-12 | ||
PCT/JP2016/088446 WO2017122517A1 (en) | 2016-01-12 | 2016-12-22 | Refrigeration cycle device and heat cycle system |
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CN109073295A true CN109073295A (en) | 2018-12-21 |
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US (1) | US20180320942A1 (en) |
EP (1) | EP3404342A4 (en) |
JP (1) | JPWO2017122517A1 (en) |
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JP2021001722A (en) * | 2019-06-19 | 2021-01-07 | ダイキン工業株式会社 | Refrigeration machine including difluoroethylene (hfo-1132) as working fluid |
JPWO2021019687A1 (en) * | 2019-07-30 | 2021-02-04 | ||
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- 2016-12-22 CN CN201680078565.9A patent/CN109073295A/en active Pending
- 2016-12-22 EP EP16885119.4A patent/EP3404342A4/en not_active Withdrawn
- 2016-12-22 WO PCT/JP2016/088446 patent/WO2017122517A1/en active Application Filing
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2018
- 2018-07-11 US US16/032,654 patent/US20180320942A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
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WO2017122517A1 (en) | 2017-07-20 |
EP3404342A4 (en) | 2019-08-28 |
US20180320942A1 (en) | 2018-11-08 |
JPWO2017122517A1 (en) | 2018-11-22 |
EP3404342A1 (en) | 2018-11-21 |
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