CN110388761A - Refrigerating plant - Google Patents
Refrigerating plant Download PDFInfo
- Publication number
- CN110388761A CN110388761A CN201910673655.8A CN201910673655A CN110388761A CN 110388761 A CN110388761 A CN 110388761A CN 201910673655 A CN201910673655 A CN 201910673655A CN 110388761 A CN110388761 A CN 110388761A
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- CN
- China
- Prior art keywords
- refrigerant
- refrigerating plant
- condenser
- compressor
- shell
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/053—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from 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
- 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
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Abstract
The invention discloses a kind of refrigerating plants, comprising: compressor, compressor have exhaust outlet and gas returning port；The first end of evaporator, evaporator is connected with gas returning port；The first end of condenser, condenser is connected with exhaust outlet；Throttling set；Refrigerant purifying plant, refrigerant purifying plant includes shell and refrigerant runner pipe, it is equipped in shell and holds space, refrigerant runner pipe is threaded through in shell and the both ends of refrigerant runner pipe are connected with the second end of condenser and throttling set respectively, shell is equipped with import, oil export and refrigerant exit, import is connected to by the first inlet pipe with the liquid zone in evaporator, and mixed liquor and refrigerant the circulation tube heat exchange entered from import, refrigerant exit is connected with gas returning port；Fuel tank, fuel tank are connected with oil export.Lubricating oil separation in refrigerant is come out by heat exchange principle, refrigerant purity can be improved, improve the refrigeration effect of refrigerating plant, ensure that the lubricant effect of compressor by refrigerating plant according to an embodiment of the present invention.
Description
Technical field
The present invention relates to refrigerating fields, more particularly, to a kind of refrigerating plant.
Background technique
Under normal circumstances, when running at high speed, bearing and transmission parts need the core component compressor of refrigeration unit
It is lubricated using lubricating oil.In unit running process, refrigerant and lubricating oil can be inevitably mixed, so that fuel tank
In lubricating oil be constantly transferred to inside evaporator.In this case, refrigerant purity reduces, the decline of heat exchanger exchange capability of heat,
Bearing and transmission mechanism lubricant effect are deteriorated.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of system
Lubricating oil separation in refrigerant can be come out, improve the refrigeration effect of refrigerating plant by device for cooling.
Refrigerating plant according to an embodiment of the present invention, comprising: compressor, the compressor have exhaust outlet and gas returning port；
Evaporator, the first end of the evaporator are connected with the gas returning port；Condenser, the first end of the condenser and the exhaust
Mouth is connected；Throttling set, the throttling set are connected between the second end of the evaporator and the second end of the condenser；
Refrigerant purifying plant, the refrigerant purifying plant include shell and refrigerant runner pipe, are equipped in the shell and hold space, described
Refrigerant runner pipe be threaded through in the shell and the both ends of the refrigerant runner pipe respectively with the second end of the condenser and institute
State throttling set be connected, the shell be equipped with import, oil export and refrigerant exit, the import by the first inlet pipe with it is described
Liquid zone connection in evaporator, the mixed liquor entered from the import and refrigerant circulation tube heat exchange, the refrigerant go out
Mouth is connected with the gas returning port；Fuel tank, the fuel tank are connected with the oil export.
Refrigerating plant according to an embodiment of the present invention, by the way that refrigerant purifying plant is arranged, by heat exchange principle by refrigerant
In lubricating oil separation come out, reduce and accumulate in lubricants capacity in evaporator, the heat transfer effect of evaporator not only can be improved,
Refrigerant purity can also be improved, and then the heat transfer effect of condenser can be improved, improves the refrigeration effect of refrigerating plant.Simultaneously
The lubricating oil separated can be expelled back into compressor and be lubricated, and ensure that the lubricant effect of compressor, extend compressor
Service life.
In some embodiments of the invention, refrigerating plant further includes for will be described in the shell intracorporal lubricating oil guiding
The induction apparatus of fuel tank, the induction apparatus include first interface, second interface and ejecting port, the first interface and the oil
Case is connected, and the second interface is connected with the oil export, and the ejecting port is connected with the condenser or the exhaust outlet.
In some embodiments of the invention, the ejecting port is connected by injection flow path with the condenser, described to draw
The first end for being located proximate to the condenser that jet stream road is connected with the condenser.
In some embodiments of the invention, refrigerating plant further includes adjustable first control valve of aperture, first control
Valve processed is connected between the fuel tank and the oil export.
In some embodiments of the invention, refrigerating plant further includes adjustable second control valve of aperture, second control
Valve processed is connected on first inlet pipe.
In some embodiments of the invention, refrigerating plant further includes for detecting the lubricating oil being discharged from the oil export
Oil temperature temperature-detecting device, the refrigerating plant further includes control device, the control device respectively with the temperature examine
It surveys device to be connected with second control valve, the control device is according to the adjustment of the testing result of the temperature-detecting device
The aperture of second control valve.
In some embodiments of the invention, the refrigerant runner pipe includes multiple heat exchanger tubes, the multiple heat exchanger tube heap
It stacks and sets.
In some embodiments of the invention, the compressor is centrifugal compressor.
In some embodiments of the invention, the refrigerant purifying plant further includes distributor, and the distributor includes total
Entrance and multiple subexits, the multiple subexit are connected to the main entrance respectively, the main entrance and the inlet communication,
The setting of refrigerant runner pipe described in the multiple subexit face.
In some embodiments of the invention, length direction of at least part subexit along the refrigerant runner pipe
Interval setting.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram according to the refrigerating plant of the embodiment of the present invention；
Fig. 2 is the schematic diagram according to the refrigerant purifying plant of the embodiment of the present invention；
Fig. 3 is the sectional view in the direction A-A in Fig. 2.
Appended drawing reference:
Refrigerating plant 100,
Compressor 1, exhaust outlet A, gas returning port B,
Evaporator 2,
Condenser 3,
Throttling set 4,
Refrigerant purifying plant 5, shell 50, refrigerant runner pipe 51, distributor 52,
First inlet pipe 6, coolant loop 7, the first oil stream road 8,
Fuel tank 9,
Induction apparatus 10, injection flow path 11, the second oil stream road 12,
First control valve 13,
Temperature-detecting device 14,
Second control valve 15.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", "upper",
The instruction such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " radial direction ", " circumferential direction "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, defining " first ", the feature of " second " can be expressed or impliedly
Including one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Refrigerating plant 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, refrigerating plant 100 according to an embodiment of the present invention, comprising: compressor 1, evaporator 2, condensation
Device 3, throttling set 4, refrigerant purifying plant 5 and fuel tank 9, wherein compressor 1 has exhaust outlet A and gas returning port B, low-temp low-pressure
Refrigerant is discharged after entering in compressor 1 refrigerant for being compressed into high temperature and pressure from gas returning port B from exhaust outlet A.Optionally, compressor 1
It can be centrifugal compressor, so that refrigerant treating capacity is larger, efficiency is higher.
The first end of evaporator 2 is connected with gas returning port B, and the first end of condenser 3 is connected with exhaust outlet A.Throttling set 4 is gone here and there
It is associated between the second end of evaporator 2 and the second end of condenser 3, wherein throttling set 4 can carry out reducing pressure by regulating flow to refrigerant,
Optionally, throttling set 4 is the elements such as capillary, electric expansion valve.
Refrigerant purifying plant 5 includes shell 50 and refrigerant runner pipe 51, is equipped in shell 50 and holds space, refrigerant runner pipe
51 are threaded through in shell 50 and the both ends of refrigerant runner pipe 51 are connected with the second end of condenser 3 and throttling set 4 respectively, shell
50 are equipped with import, oil export and refrigerant exit, and import is connected to by the first inlet pipe 6 with the liquid zone in evaporator 2, from import
The mixed liquor of entrance and 51 heat exchange of refrigerant runner pipe, refrigerant exit are connected with gas returning port B.Preferably, import and refrigerant circulate
51 face of pipe setting, it is of course possible to which understanding, import can also be with refrigerant runner pipes 51 tiltedly to setting, as long as flowing into from import
Mixed liquor can with the refrigerant in refrigerant runner pipe 51 carry out heat exchange.
Fuel tank 9 is connected with oil export, and specifically, fuel tank 9 can be the individual cabinet for being located at 1 outside of compressor, fuel tank 9
It can be connected to the oil sump in compressor 1 with the fuel feeding into compressor 1.Fuel tank 9 can also be the oil sump in compressor 1, thus
The lubricating oil being discharged from refrigerant purifying plant 5 can be expelled back into compressor 1, to utilize the parts of lubricating oil to compressor 1
The components such as bearing and transmission parts are lubricated.
Specifically, import, oil export and refrigerant exit respectively with hold space and be connected to, import by the first inlet pipe 6 with
Liquid zone in evaporator 2 is connected to, and the gaseous regions in evaporator 2 are connected to the gas returning port B of compressor 1.Oil export passes through oil circuit
Channel is connected to fuel tank 9, and refrigerant exit is connected by coolant loop 7 with gas returning port B.
As illustrated by the arrows in fig. 1, when refrigerating plant 100 is run, the high pressure gas being discharged from compressor 1 is through condenser 3
High temperature high pressure liquid is formed after condensation, high temperature high pressure liquid flows to the refrigerant runner pipe 51 of refrigerant purifying plant 5, circulates from refrigerant
The refrigerant that pipe 51 flows out enters evaporator 2 after the reducing pressure by regulating flow of throttling set 4 and forms low-pressure gas, low-pressure gas cooled via return air
Mouth B enters compressor 1 and is compressed, and completes a circulation.
The mixed liquor of the low temperature refrigerant of liquid zone and lubricating oil enters refrigerant purification by the first inlet pipe 6 in evaporator 2
The mixed liquor of device 5, low temperature refrigerant and lubricating oil from import flow to the periphery wall of refrigerant runner pipe 51 with refrigerant runner pipe 51
Interior high temperature high pressure liquid refrigerant carries out heat exchange, and the refrigerant evaporation in mixed liquor forms steam, and the lubricating oil in mixed liquor is then
Stay in the bottom for holding space.It holds the gaseous coolant that evaporation is formed in space and shell 50 is discharged by refrigerant exit, from refrigerant
The gaseous coolant of outlet discharge is entered in compressor 1 by 7 row of coolant loop to gas returning port B to be compressed.Hold space
Shell 50 can be discharged by oil export and flow to fuel tank 9 for interior lubricating oil.
As above-mentioned, by mixed to what is be discharged out of evaporator 2 using the high temperature and pressure liquid refrigerant in refrigerant runner pipe 51
It closes liquid and carries out Oil-gas Separation, the lubricating oil separation in refrigerant can be come out, improve refrigerant purity.
Refrigerating plant 100 according to an embodiment of the present invention will by heat exchange principle by the way that refrigerant purifying plant 5 is arranged
Lubricating oil separation in refrigerant comes out, and reduces the lubricants capacity accumulated in evaporator 2, changing for evaporator 2 not only can be improved
Thermal effect can also improve refrigerant purity, and then the heat transfer effect of condenser 3 can be improved, and improve the system of refrigerating plant 100
Cold effect.The lubricating oil separated simultaneously, which can be expelled back into compressor 1, to be lubricated, and ensure that the lubrication effect of compressor 1
Fruit extends the service life of compressor 1.
In some embodiments of invention, as shown in Figure 1, refrigerating plant 100 further includes for by the lubrication in shell 50
The induction apparatus 10 of oil guiding fuel tank 9, induction apparatus 10 include first interface, second interface and ejecting port, first interface and oil
Case 9 is connected, and second interface is connected with oil export, and ejecting port is connected with condenser 3 or exhaust outlet A.Specifically, ejecting port can be with
It is connected by injection flow path 11 with the exhaust outlet A of condenser 3 or compressor 1, when injection flow path 11 is connected with condenser 3, is drawn
The first end for being located proximate to condenser 3 or injection flow path 11 that jet stream road 11 is connected with condenser 3 directly with condenser 3
One end is connected.In a specific embodiment of the present invention, as shown in Figure 1, ejecting port is connected by injection flow path 11 with condenser 3,
The first end for being located proximate to condenser 3 that injection flow path 11 is connected with condenser 3.Without in refrigerant pipe upper opening, just
In the installation of injection flow path 11.
Injection space is equipped in induction apparatus 10, first interface, second interface and ejecting port are connected to injection space respectively,
Asphalt channel includes the first oil stream road 8 and the second oil stream road 12, and the first oil stream road 8 is used to connect oil export and second interface, the
Two oil stream roads 12 are for connecting first interface and fuel tank 9.Entering the refrigerant in injection space from injection flow path 11 is that high temperature is high
Body of calming the anger forms low-pressure area under the mobilization of high temperature and high pressure gas in injection space, so as to utilize ejector action will
The lubricating oil for holding space bottom is transported in injection space by second interface, and last lubricating oil is delivered to by first interface
In fuel tank 9.It, can to the lubricating oil separated is delivered in fuel tank 9 using ejector action by setting induction apparatus 10
It accumulates in and is held in space to avoid lubricating oil, ensure that the oil inlet quantity of fuel tank 9.
Of course, it should be understood that the lubricating oil held in space can also be directed in fuel tank 9 using other modes,
Such as lubricating oil can be oriented in fuel tank 9 using elements such as oil pumps, or using gravity, siphon principle etc..
As shown in Figure 1, in some embodiments of the invention, refrigerating plant 100 further includes adjustable first control of aperture
Valve 13, the first control valve 13 are connected between fuel tank 9 and oil export, and specifically, the first control valve 13 can be connected on the second oil
On flow path 12, so as to realize intermittent oil return as needed.Optionally, the first control valve 13 can be solenoid valve, thus
So that the structure of the first control valve 13 is simple.
As shown in Figure 1, in some embodiments of the invention, refrigerating plant 100 further includes adjustable second control of aperture
Valve 15, the second control valve 15 are connected on the first inlet pipe 6.To can control mixing by adjusting the aperture of the second control valve 15
Liquid enters the flow of refrigerant purifying plant 5, can according to need the separation for controlling whether to be lubricated oil, improves refrigeration dress
Set 100 reliability.Optionally, the second control valve 15 can be solenoid valve, so that the structure of the second control valve 15 is simple.
Further, as shown in Figure 1, refrigerating plant 100 further includes the oil for detecting the lubricating oil being discharged from oil export
The temperature-detecting device 14 of temperature, refrigerating plant 100 further include control device, control device respectively with temperature-detecting device 14 and the
Two control valves 15 are connected, and control device adjusts the aperture of the second control valve 15 according to the testing result of temperature-detecting device 14.Tool
Body, when detecting that oil temperature is too low, it can reduce the aperture of the second control valve 15, reduction enters in refrigerant purifying plant 5
Mixed liquor flow.If high oil temperature, increase the aperture of the second control valve 15, enters refrigerant purifying plant 5 to increase
The flow of interior mixed liquor thereby may be ensured that the fractional dose of lubricating oil, guarantee the refrigeration effect of refrigerating plant 100.Specifically,
As shown in Figure 1, temperature-detecting device 14 can be located at the oil temperature for detecting lubricating oil on the first oil stream road 8.Optionally, warm
Degree detection device 14 is temperature sensor.
As shown in Fig. 2-Fig. 3, in some embodiments of the invention, refrigerant runner pipe 51 includes multiple heat exchanger tubes, multiple
Heat exchanger tube, which stacks, to be placed, and so as to increase the heat exchange area between refrigerant runner pipe 51 and mixed liquor, improves heat transfer effect.
According to some embodiments of the present invention, as shown in Figures 2 and 3, refrigerant purifying plant 5 further includes distributor 52, point
Orchestration 52 includes main entrance and multiple subexits, and multiple subexits are connected to main entrance respectively, and main entrance and inlet communication are multiple
Subexit face refrigerant runner pipe 51 is arranged.That is, mixed liquor enters in main entrance from import, then pass through multiple sons
The shunting of outlet is ensure that profit for multiply mixed liquor guiding refrigerant runner pipe 51 so as to further increase heat transfer effect
The separating effect of lubricating oil.
Preferably, at least part subexit is arranged along the length direction interval of refrigerant runner pipe 51.So as to more into
One step improves heat transfer effect.Of course, it should be understood that can also have at least part subexit along the diameter of refrigerant runner pipe 51
It is arranged to direction interval.In some examples of the invention, refrigerant purifying plant 5 can be falling-film heat exchanger, so that
The structure of refrigerant purifying plant 5 is simple.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of refrigerating plant characterized by comprising
Compressor, the compressor have exhaust outlet and gas returning port；
Evaporator, the first end of the evaporator are connected with the gas returning port；
Condenser, the first end of the condenser are connected with the exhaust outlet；
Throttling set, the throttling set are connected between the second end of the evaporator and the second end of the condenser；
Refrigerant purifying plant, the refrigerant purifying plant include shell and refrigerant runner pipe, are equipped in the shell and hold space,
The refrigerant runner pipe is threaded through in the shell and the both ends of the refrigerant runner pipe second end with the condenser respectively
Be connected with the throttling set, the shell be equipped with import, oil export and refrigerant exit, the import by the first inlet pipe with
Liquid zone connection in the evaporator, the mixed liquor entered from the import and refrigerant circulation tube heat exchange, it is described cold
Matchmaker outlet is connected with the gas returning port；
Fuel tank, the fuel tank are connected with the oil export.
2. refrigerating plant according to claim 1, which is characterized in that further include for leading the intracorporal lubricating oil of the shell
To the induction apparatus of the fuel tank, the induction apparatus includes first interface, second interface and ejecting port, the first interface with
The fuel tank is connected, and the second interface is connected with the oil export, the ejecting port and the condenser or the exhaust outlet
It is connected.
3. refrigerating plant according to claim 2, which is characterized in that the ejecting port passes through injection flow path and the condensation
Device is connected, the first end for being located proximate to the condenser that the injection flow path is connected with the condenser.
4. refrigerating plant according to claim 1, which is characterized in that it further include adjustable first control valve of aperture, it is described
First control valve is connected between the fuel tank and the oil export.
5. refrigerating plant according to claim 1, which is characterized in that it further include adjustable second control valve of aperture, it is described
Second control valve is connected on first inlet pipe.
6. refrigerating plant according to claim 5, which is characterized in that further include being discharged for detecting from the oil export
The temperature-detecting device of the oil temperature of lubricating oil, the refrigerating plant further include control device, the control device respectively with it is described
Temperature-detecting device is connected with second control valve, and the control device is according to the testing result tune of the temperature-detecting device
The aperture of whole second control valve.
7. refrigerating plant according to claim 1, which is characterized in that the refrigerant runner pipe includes multiple heat exchanger tubes, institute
It states multiple heat exchanger tubes and stacks placement.
8. refrigerating plant according to claim 1, which is characterized in that the compressor is centrifugal compressor.
9. refrigerating plant according to claim 1 to 8, which is characterized in that the refrigerant purifying plant further includes
Distributor, the distributor include main entrance and multiple subexits, and the multiple subexit is connected to the main entrance respectively, institute
State main entrance and the inlet communication, the setting of refrigerant runner pipe described in the multiple subexit face.
10. refrigerating plant according to claim 9, which is characterized in that at least part subexit is along the refrigerant
The length direction interval of runner pipe is arranged.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673655.8A CN110388761A (en) | 2019-07-24 | 2019-07-24 | Refrigerating plant |
| PCT/CN2020/077755 WO2021012676A1 (en) | 2019-07-24 | 2020-03-04 | Refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673655.8A CN110388761A (en) | 2019-07-24 | 2019-07-24 | Refrigerating plant |
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| CN110388761A true CN110388761A (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910673655.8A Pending CN110388761A (en) | 2019-07-24 | 2019-07-24 | Refrigerating plant |
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| CN (1) | CN110388761A (en) |
| WO (1) | WO2021012676A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012676A1 (en) * | 2019-07-24 | 2021-01-28 | 重庆美的通用制冷设备有限公司 | Refrigeration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021012676A1 (en) | 2021-01-28 |
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Application publication date: 20191029 |