CN206160578U - Refrigerant circulation system and refrigeration plant - Google Patents
Refrigerant circulation system and refrigeration plant Download PDFInfo
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- CN206160578U CN206160578U CN201621158550.7U CN201621158550U CN206160578U CN 206160578 U CN206160578 U CN 206160578U CN 201621158550 U CN201621158550 U CN 201621158550U CN 206160578 U CN206160578 U CN 206160578U
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- coolant
- compressor
- throttling
- circulating system
- heat exchanger
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 46
- 238000005057 refrigeration Methods 0.000 title claims abstract description 25
- 230000004087 circulation Effects 0.000 title abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 claims description 123
- 239000006200 vaporizer Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 27
- 238000005204 segregation Methods 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004781 supercooling Methods 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a refrigerant circulating system and refrigeration plant relates to the refrigeration technology field. The main technical scheme adopted is as follows: a refrigerant circulating system comprises a compressor, a condenser, an evaporator, a throttling separation device and a heat exchanger. The throttling separation device is used for throttling the refrigerant output by the condenser and performing gas-liquid separation on the throttled refrigerant. The heat exchanger is arranged in a way that one heat exchange end of the heat exchanger is communicated with the exhaust port of the compressor and the condenser; the other heat exchange end is communicated with the throttling separation device so that the gaseous refrigerant separated by the throttling separation device and the gaseous refrigerant discharged by the compressor exchange heat in the heat exchanger. A refrigeration device comprises the refrigerant circulating system. The utility model discloses flash bubble's phenomenon when mainly used has solved the refrigerant throttle promotes refrigerant circulation system's super-cooled rate and system performance.
Description
Technical field
This utility model is related to a kind of refrigeration technology field, more particularly to a kind of coolant circulating system and refrigeration plant.
Background technology
As shown in figure 1, the coolant circulating system of existing refrigeration plant mainly includes compressor 11, condenser 12, choke valve
13 and vaporizer 14.Wherein, become after being lowered the temperature by the condensed device of High Temperature High Pressure overheated gas 12 that 11 exhaust end of compressor is exported
Cheng Zhongwen high-pressure sub-cooled liquids;Middle 13 decrease temperature and pressure of temperature high pressure superheater liquid warp knuckle stream valve enters vaporizer 14 into after moist steam
In, moist steam is heated up into and is delivered to after saturated vapor after the suction end of compressor 11 by vaporizer 14, repeats above-mentioned circulation.
In above-mentioned coolant circulating system, 13 decrease temperature and pressure of warp knuckle stream valve into moist steam (fog-like liquid) there is two phase flow
(that is, throttle shwoot bubble phenomenon).Wherein, the two phase flow for existing after throttling causes following technical problem to system to I haven't seen you for ages:(1)
Increase resistance of the coolant in copper pipe, while refrigerant flow rate as the increase of resistance and reduce.(2) after throttling, vaporific liquid
There is bad making an uproar so as to refrigeration plant can be made in flow at high speed as friction can produce aerodynamic noise in the gas in body coolant
Sound.
In order to overcome above-mentioned technical problem, the coolant circulating system in existing multi-connected air conditioner to be built-in with subcooler,
And by controlling the aperture of valve ensureing unit degree of supercooling in suitable state.But this technology is due to the difference of unit itself
Can not apply in split air conditioner (that is, one-to-one formula air conditioner).Running into similar problem can only be by adjusting branch or perfusion
Measure to solve.
Utility model content
In view of this, this utility model provides a kind of coolant circulating system and refrigeration plant, and main purpose is that lifting is cold
The degree of supercooling of matchmaker, solves the phenomenon of liquid refrigerants shwoot bubble after throttling, so as to reducing the on-way resistance after coolant throttle and subtracting
The aerodynamic noise of little coolant circulating system and refrigeration plant.
To reach above-mentioned purpose, this utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of coolant circulating system, and the coolant circulating system includes:
Compressor;
Condenser, the condenser are connected with the air vent of the compressor;
Vaporizer, the vaporizer are connected with the air entry of the compressor;
Throttling segregation apparatuss, are throttled for the coolant to being exported by the condenser and the detached process of gas-liquid;
Heat exchanger, is arranged to one heat-exchange end for connecting the exhaust outlet of compressor and condenser;Another heat-exchange end
Connect with the throttling segregation apparatuss, so as to be throttled the gaseous coolant isolated of segregation apparatuss and arranged by the compressor by described
The gaseous coolant for going out carries out heat exchange in the heat exchanger.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
Further, the throttling segregation apparatuss include:
First throttle valve, the import of the first throttle valve are connected with the condenser, for defeated by the condenser
The liquid refrigerants for going out carries out throttling process;
Separator, the outlet of the import of the separator and the first throttle valve, for after processing to throttling
To vaporific liquid refrigerants carry out gas-liquid separation;
Wherein, the separator has the first outlet for exporting liquid refrigerants and for exporting gaseous coolant second
Outlet;Wherein, the first outlet is connected with the vaporizer;The second outlet is connected with the heat exchanger.
Further, the throttling segregation apparatuss also include second throttle, wherein,
The second throttle is arranged on for connecting the pipeline of the first outlet and the vaporizer of the separator,
For the liquid refrigerants to being isolated by the separator, further throttling is processed.
Further, the heat exchanger is also connected with the air entry of the compressor, for by the throttling segregation apparatuss
It is delivered in the compressor after the gaseous coolant heat exchange isolated.
Further, the heat exchanger includes:
First heat exchanging pipe, the air vent of compressor described in the inlet communication of first heat exchanging pipe, described first changes
The outlet of pipe line is connected with the condenser;
Second heat exchanging pipe, the second outlet of separator described in the inlet communication of second heat exchanging pipe, described second
The air entry of compressor described in the outlet of heat exchanging pipe.
Further, the air entry of the compressor is connected with suction line;Wherein,
Suction line outlet respectively with the vaporizer, the outlet of the second heat exchanging pipe, so that the steaming
Send out device output the coolant that exports with second heat exchanging pipe of coolant mix after enter back into the air entry of the compressor.
Further, the heat exchanger adopts plate type heat exchanger.
Further, the vaporizer selects shell and tube exchanger;The condenser selects finned heat exchanger.
Further, the first throttle valve, second throttle adopt electric expansion valve.
On the other hand, embodiment of the present utility model provides a kind of refrigeration plant, wherein, the refrigeration plant includes above-mentioned
Coolant circulating system described in any one.
Compared with prior art, a kind of coolant circulating system of the present utility model and refrigeration plant at least have following beneficial
Effect:
The coolant circulating system that this utility model embodiment is provided, on the one hand by arranging between condenser and vaporizer
One throttling segregation apparatuss, the middle temperature high-pressure liquid coolant to being exported by condenser carry out throttling decrease temperature and pressure and process, cooling is dropped
The vaporific liquid refrigerants obtained after pressure process carries out gas-liquid separation, guarantees that coolant is pure liquid into before vaporizer as far as possible, to solve
Certainly there is the phenomenon of liquid shwoot bubble in coolant circulating system in throttling process.On the other hand, by arranging a heat exchanger, adopt
The gaseous coolant isolated with throttling segregation apparatuss is tentatively exchanged heat to the gaseous coolant that compressor is discharged, the compressor row for making
The high temperature and high pressure gas of QI KOU output successively have passed through after exchange heat twice (cooling) and being throttled again, so as to improve the mistake of coolant
Cold degree, further solves the phenomenon that coolant circulating system has liquid shwoot bubble in throttling process, reduces coolant and exists
Resistance in copper pipe, optimizes each loop point liquid of vaporizer, effectively reduces the bad aerodynamic noise of coolant circulating system presence.
Further, the coolant circulating system that this utility model embodiment is provided by using first throttle valve to by condensing
The middle temperature high-pressure liquid coolant of device output carries out the decrease temperature and pressure process that throttles;Obtain after being processed to decrease temperature and pressure using separator
Vaporific liquid refrigerants carries out gas-liquid separation.Ensure that coolant is pure liquid into before vaporizer as far as possible with simple structure, so as to
Solve the phenomenon that coolant circulating system has liquid shwoot bubble in throttling process.
Further, the present embodiment provide coolant circulating system by the basis of first throttle valve, separator again
One second throttle is set so as to which the low-temp low-pressure liquid refrigerants to being isolated by separator further throttles decrease temperature and pressure
Reason, increases the degree of supercooling of coolant, and the probability for occurring flash steam in further making liquid refrigerants is substantially reduced, so as to further excellent
Change each loop point liquid of vaporizer, effectively improve the bad aerodynamic noise of coolant circulating system presence.
Further, the coolant circulating system that the present embodiment is provided is connected with the air entry of compressor by making heat exchanger,
To be delivered in compressor after the gaseous coolant that throttling segregation apparatuss are isolated is exchanged heat, so that coolant makes full use of, it is ensured that
The coolant quantity of system.
On the other hand, this utility model embodiment provides a kind of refrigeration plant, due to the above-mentioned institute that the refrigeration plant is adopted
The coolant circulating system stated, it is common so as to optimize that the normal drag losseses of refrigeration plant Jing are big, tonequality is bad, system capability is not enough etc.
Problem.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Description of the drawings
Fig. 1 is the structural representation of coolant circulating system of the prior art;
Fig. 2 is a kind of structural representation of coolant circulating system that embodiment of the present utility model is provided;
Fig. 3 is the pressure-enthalpy chart of control volume in a kind of coolant circulating system that embodiment of the present utility model is provided.
Specific embodiment
Further to illustrate that this utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment according to this utility model application, structure, feature and its work(
Effect, describes in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same enforcement
Example.Additionally, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
Embodiment 1
As shown in Fig. 2 a kind of coolant circulating system that the present embodiment is proposed, specifically, the coolant circulating system includes:Pressure
Contracting machine 21, condenser 22, vaporizer 26, throttling segregation apparatuss and heat exchanger 27.Wherein, the row of condenser 22 and compressor 21
QI KOU is connected, and the high pressure gaseous coolant level pressure for compressor 21 is discharged is cooled to middle temperature high-pressure liquid coolant.Throttling
Segregation apparatuss are connected with condenser 22, vaporizer 26 respectively, are carried out with the middle temperature high-pressure liquid coolant to being exported by condenser 22
Throttling processes (that is, decrease temperature and pressure is processed), obtains the vaporific liquid refrigerants (moist steam of low-temp low-pressure;Now, liquid refrigerants is in
Two-phase section);Throttling segregation apparatuss further carry out gas-liquid separation to vaporific liquid refrigerants, obtain low-temp low-pressure liquid refrigerants and satisfy
With steam (gaseous coolant).Wherein, low-temp low-pressure liquid refrigerants is used to be delivered in vaporizer 26.The outlet of vaporizer 26 and pressure
The air entry connection of contracting machine 21;After low-temp low-pressure liquid refrigerants heats up into low-pressure gaseous coolant in vaporizer 26, then it is back to
After the suction end of compressor 21, above-mentioned circulation is repeated.Heat exchanger 27 is arranged to one heat-exchange end for connecting compressor 21
Air vent and condenser 22;Another heat-exchange end is connected with throttling segregation apparatuss, so that the gaseous state isolated by throttling segregation apparatuss
Coolant carries out heat exchange in heat exchanger 27 with the gaseous coolant discharged by compressor 21.
On the one hand, the coolant circulating system that the present embodiment is provided is saved by one is arranged between condenser 22 and vaporizer 26
Flow splitting device, the middle temperature high-pressure liquid coolant to being exported by condenser 22 carry out throttle decrease temperature and pressure process, to decrease temperature and pressure
The vaporific liquid refrigerants obtained after process carries out gas-liquid separation, to guarantee that coolant is pure liquid into before vaporizer 26 as far as possible, solves
There is the phenomenon of liquid shwoot bubble in throttling process in coolant circulating system of having determined.
On the other hand, the coolant circulating system that the present embodiment is provided separates dress using throttling by arranging a heat exchanger 27
Put the gaseous coolant isolated tentatively to exchange heat the gaseous coolant that compressor is discharged, so that 21 air vent of compressor is discharged
High temperature and high pressure gas successively have passed through exchange heat twice (cooling) after throttled again, which enhance the degree of supercooling of coolant, enter
One step solves the phenomenon that coolant circulating system has liquid shwoot bubble in throttling process, and reduces coolant in copper pipe
In resistance, optimize each loop of vaporizer point liquid, effectively reduce the bad aerodynamic noise of coolant circulating system presence.In addition,
The coolant circulating system that the present embodiment is provided is discharged to compressor by the gaseous coolant isolated using throttling segregation apparatuss
Gaseous coolant is tentatively exchanged heat, and also a saving the energy.
Embodiment 2
The present embodiment provides a kind of coolant circulating system, compared with a upper embodiment, as shown in Fig. 2 the section of the present embodiment
Flow splitting device includes first throttle valve 23 and separator 24.Wherein, the import of first throttle valve 23 is connected with condenser 22, is used
In throttling process being carried out to the middle temperature high-pressure liquid coolant exported by condenser 22, obtain the vaporific liquid refrigerants of low-temp low-pressure (wet
Steam).The import of separator 24 and the outlet of first throttle valve 23, enter for the vaporific liquid refrigerants after processing to throttling
Row gas-liquid separation, obtains low-temp low-pressure liquid refrigerants and saturated vapor (gaseous coolant).Wherein, separator 24 has for exporting
The first outlet of low-temp low-pressure liquid refrigerants and the second outlet for exporting saturated vapor;Wherein, first outlet and vaporizer
26 connections.Second outlet is connected with heat exchanger 27.
The coolant circulating system that the present embodiment is provided is by using 23 pairs of middle temperature exported by condenser 22 of first throttle valve
High-pressure liquid coolant carries out the decrease temperature and pressure process that throttles;It is cold to the vaporific liquid obtained after decrease temperature and pressure process using separator 24
Matchmaker carries out gas-liquid separation.Ensure that coolant is pure liquid into before vaporizer 26 as far as possible with simple structure, it is cold so as to solve
There is the phenomenon of liquid shwoot bubble in throttling process in matchmaker's blood circulation.
Embodiment 3
The present embodiment provides a kind of coolant circulating system, compared with above-described embodiment, as shown in Fig. 2 the present embodiment coolant
Throttling segregation apparatuss in blood circulation also include second throttle 25.Wherein, second throttle 25 is arranged on connection separator
24 and vaporizer 26 pipeline on, further carry out throttling for the low-temp low-pressure liquid refrigerants to being isolated by separator 24
Reason.
The generation of flash steam in liquid refrigerants depends primarily on the temperature of coolant in liquid pipe, comes from the physical property state of coolant
See, residing for liquid, pressure is higher, its boiling point is higher.The coolant circulating system that the present embodiment is provided is by heat exchanger 27, condensation
One second throttle 25 is set on the basis of device 22, first throttle valve 23 and separator 24 again so as to being separated by separator 24
The low-temp low-pressure liquid refrigerants for going out carries out the decrease temperature and pressure process that throttles again, further increases the degree of supercooling of coolant, makes liquid
The probability for occurring flash steam in coolant is substantially reduced, and so as to further optimize each loop point liquid of vaporizer, is effectively improved cold
The bad aerodynamic noise that matchmaker's blood circulation is present.
Embodiment 4
The present embodiment provides a kind of coolant circulating system, compared with above-described embodiment, as shown in Fig. 2 the present embodiment coolant
Heat exchanger 27 in blood circulation is connected with the second outlet of separator 24, and heat exchanger 27 also connects the air-breathing of compressor 21
Mouthful.Here, heat exchanger 27 is delivered in compressor 21 after being additionally operable to the steam intensification for isolating separator 24.By so setting
Put, new gas can be supplemented for system, it is ensured that the coolant quantity of coolant circulating system, lift system performance.
It is preferred that heat exchanger 27 includes the first heat exchanging pipe and the second heat exchanging pipe.Wherein, the import of the first heat exchanging pipe
The air vent of connection compressor 21, the outlet of the first heat exchanging pipe are connected with condenser 22.The inlet communication of the second heat exchanging pipe
The second outlet of separator 24, the air entry of the outlet compressor 21 of the second heat exchanging pipe.
It is preferred that 21 air inlet of compressor of coolant circulating system is connected with an air inlet pipeline, wherein, the second heat exchanging pipe
Outlet, the outlet of vaporizer 26 connected with the air inlet pipeline.So that the coolant and the second heat exchanging pipe of the output of vaporizer 26
The air entry of compressor 21 is entered back into after the coolant mixing of output.
It is preferred that the heat exchanger 27 in the present embodiment adopts plate type heat exchanger.
The present embodiment makes cryogenic gaseous coolant cooling down high-temperature gaseous coolant and itself is heated up by above-mentioned setting,
Heat exchange is made full use of, efficiency is improved.Last gaseous coolant of the cryogenic gaseous coolant Jing after heat exchange with Jing vaporizers 26 out
Mixing is entered back in compressor 21 so as to made full use of, it is ensured that the coolant quantity of system.
Fig. 3 is the pressure-enthalpy chart of control volume in coolant circulating system;Control volume in this refers to condenser, throttling and separates dress
Put, the pipeline (as shown in dotted line frame in Fig. 2) of heat exchanger and its connection.As shown in Fig. 2 the High Temperature High Pressure discharged by compressor 21
After gaseous coolant enters condenser 22, (once exchanging heat, process 33-34 in such as Fig. 3) is cooled down by level pressure, middle temperature high pressure is condensed into
Liquid refrigerants.Subsequently, by 23 blood pressure lowering of first throttle valve, the pressure and temperature of middle temperature high-pressure liquid coolant is significantly for liquid refrigerants
Reduce (such as process 34-35 in Fig. 3);Liquid refrigerants now is in two-phase section, belongs to moist steam.In order to ensure refrigerant import
Mass dryness fraction, arranges a separator 24 after first throttle valve 23, and the moist steam flowed in separator 24 is induced one in heat exchanger 27
Cool down the state point 32 itself being heated up in Fig. 3 by the high pressure gaseous coolant of 21 air vent of compressor discharge
(such as the process 35 to 32 in Fig. 3), this process are secondary heat exchange.Throttled by the liquid refrigerants Jing second that separator 24 is isolated
Valve 25 is further depressurized (such as the process 36 to 37 in Fig. 3) and enters in vaporizer afterwards, and this process is due to refrigerant temperature and pressure
Power is further reduced, and the probability for flash steam occur is substantially reduced.Finally, the gaseous coolant for being obtained by separator through heat exchange,
And with the state 33 that is mixed in Fig. 3 of gaseous coolant (such as the state 31 in Fig. 3) of vaporizer output after, be transported to compressor
21 air entry.
Embodiment 5
The present embodiment provides a kind of refrigeration plant, and the refrigeration plant in the present embodiment is included described in any of the above-described embodiment
Coolant circulating system.
Refrigeration plant in the present embodiment is mainly refrigerator, refrigerator-freezer, wine cabinet and water purifier.
The coolant circulating system described in any of the above-described embodiment adopted due to the refrigeration plant in the present embodiment, so as to excellent
The FAQs such as the normal drag losseses of refrigeration plant Jing are big, tonequality is bad, system capability is not enough are changed.
To sum up, a kind of coolant circulating system and refrigeration plant that this utility model embodiment is provided improves refrigerant circulation system
The degree of supercooling of coolant in system, the phenomenon of liquid refrigerants shwoot bubble when solving throttling;In addition, being separated by the segregation apparatuss that throttle
Gaseous coolant out can supplement new gas, lift system performance for system.
The above, is only preferred embodiment of the present utility model, not makees any formal to this utility model
Restriction, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model,
Still fall within the range of technical solutions of the utility model.
Claims (10)
1. a kind of coolant circulating system, it is characterised in that the coolant circulating system includes:
Compressor;
Condenser, the condenser are connected with the air vent of the compressor;
Vaporizer, the vaporizer are connected with the air entry of the compressor;
Throttling segregation apparatuss, are throttled for the coolant to being exported by the condenser and the detached process of gas-liquid;
Heat exchanger, is arranged to one heat-exchange end for connecting the exhaust outlet of compressor and condenser;Another heat-exchange end and institute
State throttling segregation apparatuss connection so that by the gaseous coolant isolated of throttling segregation apparatuss with discharged by the compressor
Gaseous coolant carries out heat exchange in the heat exchanger.
2. coolant circulating system according to claim 1, it is characterised in that the throttling segregation apparatuss include:
First throttle valve, the import of the first throttle valve are connected with the condenser, for being exported by the condenser
Liquid refrigerants carries out throttling process;
Separator, the outlet of the import of the separator and the first throttle valve, for what is obtained after processing to throttling
Vaporific liquid refrigerants carries out gas-liquid separation;
Wherein, the separator has the first outlet and for exporting gaseous coolant second for exporting liquid refrigerants to go out
Mouthful;Wherein, the first outlet is connected with the vaporizer;The second outlet is connected with the heat exchanger.
3. coolant circulating system according to claim 2, it is characterised in that the throttling segregation apparatuss also include second section
Stream valve, wherein,
The second throttle is arranged on for connecting the pipeline of the first outlet and the vaporizer of the separator, is used for
Liquid refrigerants further throttling process to being isolated by the separator.
4. coolant circulating system according to claim 1 and 2, it is characterised in that the heat exchanger also with the compressor
Air entry connection, for by it is described throttling segregation apparatuss isolate gaseous coolant heat exchange after be delivered in the compressor.
5. coolant circulating system according to claim 4, it is characterised in that the heat exchanger includes:
First heat exchanging pipe, the air vent of compressor described in the inlet communication of first heat exchanging pipe, first heat exchanger tube
The outlet on road is connected with the condenser;
Second heat exchanging pipe, the second outlet of separator described in the inlet communication of second heat exchanging pipe, second heat exchange
The air entry of compressor described in the outlet of pipeline.
6. coolant circulating system according to claim 5, it is characterised in that the air entry of the compressor is connected with air-breathing
Pipeline;Wherein,
Suction line outlet respectively with the vaporizer, the outlet of the second heat exchanging pipe, so that the vaporizer
The coolant that the coolant of output is exported with second heat exchanging pipe enters back into the air entry of the compressor after mixing.
7. coolant circulating system according to claim 1, it is characterised in that the heat exchanger adopts plate type heat exchanger.
8. coolant circulating system according to claim 1, it is characterised in that the vaporizer selects shell and tube exchanger;
The condenser selects finned heat exchanger.
9. coolant circulating system according to claim 3, it is characterised in that the first throttle valve, second throttle are equal
Using electric expansion valve.
10. a kind of refrigeration plant, it is characterised in that the refrigeration plant includes that the coolant described in any one of claim 1-9 is followed
Loop systems.
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CN201621158550.7U CN206160578U (en) | 2016-10-25 | 2016-10-25 | Refrigerant circulation system and refrigeration plant |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106403412A (en) * | 2016-10-25 | 2017-02-15 | 珠海格力电器股份有限公司 | Refrigerant circulation system and refrigeration plant |
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CN106403412A (en) * | 2016-10-25 | 2017-02-15 | 珠海格力电器股份有限公司 | Refrigerant circulation system and refrigeration plant |
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