CN207471855U - A kind of refrigerant cycle device and system - Google Patents
A kind of refrigerant cycle device and system Download PDFInfo
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- CN207471855U CN207471855U CN201721396148.7U CN201721396148U CN207471855U CN 207471855 U CN207471855 U CN 207471855U CN 201721396148 U CN201721396148 U CN 201721396148U CN 207471855 U CN207471855 U CN 207471855U
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Abstract
The utility model is related to liquefaction process field, in particular to a kind of refrigerant cycle device and system.By the way that the outlet of the first liquid phase cryogen and the first separation is set to export on the first separator, enable lubricating oil and cryogen separation and recovery in refrigerant compressor, it avoids cryogen and carries lubrication oil circulation by compressor, cause the problem of cryogen lubricating oil is accumulated in ice chest, ice chest is caused to block.By the position that the position of the first separation outlet is arranged below to the outlet of the first liquid phase cryogen, it is immiscible using lubricating oil and cryogen, and lubrication oil density is big, it is deposited in bottom, the separation of lubricating oil and cryogen is had effectively achieved, and then solves solution ice chest blockage problem in entire refrigerant cycle device.
Description
Technical field
The utility model is related to liquefaction process field, in particular to a kind of refrigerant cycle device and system.
Background technology
In liquefaction process device, refrigerant cycle uses screw compressor, and cryogen leakage rate is small, almost cold without outer benefit
Agent.But helical-lobe compressor is that have oil lubrication, cryogen band lubricating oil is serious, and in the course of time, cryogen lubricating oil is accumulated in ice chest,
Ice chest is caused to block.
Utility model content
The purpose of this utility model is to provide a kind of refrigerant cycle device and refrigerant cycle systems, solve ice chest and block
Problem.To achieve these goals, the technical solution that the utility model embodiment uses is as follows：
A kind of refrigerant cycle device, including：
There is gas-liquid two-phase entrance, gas phase cryogen to go out for ice chest, refrigerant compressor and the first separator, the first separator
Mouth, the outlet of the first liquid phase cryogen and the first separation outlet, gas phase cryogen outlet are located at the top of the first separator, and the first liquid phase is cold
Agent exports and the first separation outlet is positioned at the bottom of the first separator, and the position of the first separation outlet is less than the first liquid phase cryogen
Outlet.
In the utility model preferred embodiment,
First separator is horizontal separator, and horizontal separator includes separator body and separator branch；Separator point
Portion is connected to separator body, and separator branch is set to the bottom of separator body；First liquid phase cryogen exports and first
Separation outlet is arranged in separator branch, and the outlet of the first liquid phase cryogen is disposed in proximity to separator branch top end, the
One separation outlet is set to the bottom end of separator branch.
In the utility model preferred embodiment,
First separator is vertical separator, and the first separation outlet is set to the bottom end of vertical separator, and the first liquid phase is cold
Agent outlet is set on the side wall of vertical separator.
In the utility model preferred embodiment,
First separator interior is provided with wire mesh demister, and wire mesh demister is disposed in proximity to gas phase cryogen exit.
In the utility model preferred embodiment,
Refrigerant cycle device further includes at least one second separator；Each second separator is respectively provided with the second gas-liquid two
Phase entrance, the outlet of the second gas phase cryogen and liquid-phase outlet；The outlet of second gas phase cryogen is positioned at the top of the second separator, liquid phase
Outlet is positioned at the bottom of the second separator.
In the utility model preferred embodiment,
The liquid-phase outlet of at least one second separator includes the outlet of second liquid phase cryogen and the second separation exports；Second liquid
Phase cryogen exports and the second separation outlet is positioned at the bottom of the second separator, and the position of the second separation outlet is less than second liquid phase
Cryogen exports.
In the utility model preferred embodiment,
Second gas-liquid two-phase entrance of each the second separator is connected to ice chest by pipeline, is both provided on pipeline
Valve.
In the utility model preferred embodiment,
Refrigerant compressor is screw compressor.
In the utility model preferred embodiment,
Refrigerant compressor is the helical-lobe compressor of single machine two-stage.
A kind of refrigerant cycle system, including above-mentioned refrigerant cycle device.
The beneficial effects of the utility model are：
Refrigerant cycle device provided by the utility model, including ice chest, refrigerant compressor and the first separator.Wherein,
There is first separator gas-liquid two-phase entrance, gas phase cryogen outlet, the outlet of the first liquid phase cryogen and the first separation to export, and gas phase is cold
Agent outlet is positioned at the top of the first separator, and the outlet of the first liquid phase cryogen and the first separation outlet are positioned at the bottom of the first separator
Portion, and the position of the first separation outlet is exported less than the first liquid phase cryogen.By setting the first liquid phase cold on the first separator
Agent exports and the first separation exports so that the lubricating oil in refrigerant compressor can be separated and recovered with cryogen, avoid cryogen warp
Overcompression machine carries lubrication oil circulation, causes the problem of cryogen lubricating oil is accumulated in ice chest, ice chest is caused to block.By by
The position of one separation outlet is arranged below the position of the first liquid phase cryogen outlet, immiscible using lubricating oil and cryogen, and moistens
Lubricating oil density is big, is deposited in bottom, has effectively achieved the separation of lubricating oil and cryogen, and then solves entire refrigerant cycle dress
Put middle solution ice chest blockage problem.
Refrigerant cycle system provided by the utility model by setting above-mentioned refrigerant cycle device, solves lubricating oil and exists
It is accumulated in ice chest, causes ice chest blockage problem, may advantageously facilitate production.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of refrigerant cycle device that the utility model first embodiment provides；
Fig. 2 is the structure diagram of the first separator of refrigerant cycle device that the utility model first embodiment provides；
When Fig. 3 is that the refrigerant cycle device that the utility model first embodiment provides selects the helical-lobe compressor of single machine two-stage
Structure diagram；
Fig. 4 is the structure diagram of refrigerant cycle device that the utility model second embodiment provides；
Fig. 5 is the structure diagram of the first separator of refrigerant cycle device that the utility model 3rd embodiment provides.
Icon：100- refrigerant cycle devices；110- ice chests；120- refrigerant compressors；The first separators of 130-；131- first
Liquid phase cryogen exports；The separation of 132- first outlet；133- separator bodies；134- separators branch；135- gas-liquid two-phase entrances；
136- gas phase cryogens export；137- wire mesh demisters；The second separators of 140-；141- the second gas-liquid two-phase entrances；142- second
Gas phase cryogen exports；The separation of 143- second outlet；144- pipelines；145- valves；146- second liquid phases cryogen exports；150- units
The helical-lobe compressor of twin-stage；200- refrigerant cycle devices；210- screw compressors；The first separators of 310-；The first liquid of 311-
Phase cryogen exports；The separation of 312- first outlet.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that term " on ", the orientation or position of the instructions such as " interior "
Put relationship be based on orientation shown in the drawings or position relationship or the utility model product using when the orientation usually put
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；It can be directly connected, can also be indirectly connected by intermediary, can be the company inside two elements
It is logical.For the ordinary skill in the art, it can understand that above-mentioned term is specific in the utility model with concrete condition
Meaning.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of refrigerant cycle device 100, including ice chest 110, refrigerant compressor 120
And first separator 130.
Further, the first separator 130 is cold with gas-liquid two-phase entrance 135, the 136, first liquid phase of gas phase cryogen outlet
131 and first separation outlet 132 of agent outlet.Wherein, the entrance of refrigerant compressor 120 is connected to ice chest 110 by connecting tube
Cryogen exports, and the outlet of refrigerant compressor 120 is connected to the gas-liquid two-phase entrance 135 of the first separator 130 by connecting tube, the
The first liquid phase cryogen outlet 131 of one separator 130 is connected to the entrance of ice chest 110 by connecting tube.
It should be understood that above-mentioned ice chest 110 can with 120 and first separator of refrigerant compressor, 130 specific connection mode
With the connection mode for selecting this field common.
Further, in the present embodiment, refrigerant compressor 120 can select to be set as the helical-lobe compressor of single machine two-stage
150.The helical-lobe compressor 150 of single machine two-stage is a kind of more special helical-lobe compressor.The single machine two-stage screw bolt compressor：One
Compressor realizes two stages of compression, and the gas after one stage of compression does not cool down, and is directly entered split-compressor.
In the present embodiment, selection using this single machine two-stage helical-lobe compressor 150, relative to needing in the prior art
Use two helical-lobe compressors, it is thus only necessary to which a compressor can be realized as.So that entire refrigerant cycle device
100 stability increases.Further, selection using this single machine two-stage helical-lobe compressor 150, after one stage of compression gas without
It needs to cool down, without using interstage cooler and separator, fundamentally avoids and partly become liquid after gas cooling after one stage of compression
The possibility of body, technological process are simpler.
But helical-lobe compressor is that have oil lubrication, cryogen band lubricating oil is serious, and in the course of time, cryogen lubricating oil is in ice chest
It is accumulated in 110, ice chest 110 is caused to block.
In the present embodiment, by the way that the first liquid phase cryogen outlet 131 and first is set to isolate on the first separator 130
Mouth 132 so that the lubricating oil in refrigerant compressor 120 can be separated and recovered with cryogen, avoided cryogen and carried by compressor
Lubrication oil circulation causes the problem of cryogen lubricating oil is accumulated in ice chest 110, ice chest 110 is caused to block.
Specifically, gas phase cryogen outlet 136 is located at the tops of the first separator 130, the first liquid phase cryogen outlet 131 and the
One separation outlet 132 is located at the bottom of the first separator 130, and the position of the first separation outlet 132 is less than the first liquid phase cryogen
Outlet 131.
Position by the way that the first separation to be exported to 132 is arranged below the position of the first liquid phase cryogen outlet 131, utilizes profit
Lubricating oil and cryogen are immiscible, and lubrication oil density is big, is deposited in bottom, has effectively achieved the separation of lubricating oil and cryogen, into
And solves the problems, such as in entire refrigerant cycle device 100 lubricating oil separation in cryogen.
It should be understood that the first above-mentioned separator 130 can select the refrigerant compressor of the prior art that is applicable to export
Cyclone separator arrangement.Its specific connection mode with refrigerant compressor 120 and ice chest 110 can select this field common
Connection mode.
Further, in the utility model other optional embodiments, above-mentioned compressor can select to be set as it
The compressor of his structure type applicatory.
It should be understood that in entire refrigerant cycle device 100, some other structure leakage lubricating oil or other impurities density
During more than cryogen, also can 132 discharges be exported by the first separation.
Further, the specific structure of above-mentioned ice chest 110 is not limit ground.Above-mentioned ice chest 110 it is specific
Structure can select the common ice chest structure in this field.
Further, in one optional embodiment of the utility model, the first separator 130 is horizontal separator.Wherein,
Horizontal separator includes separator body 133 and separator branch 134.
Specifically, separator branch 134 is connected to separator body 133, and separator branch 134 is set to separator sheet
The bottom of body 133.
First liquid phase cryogen outlet, 131 and first separation outlet 132 is arranged in separator branch 134, and the first liquid
Phase cryogen outlet 131 is disposed in proximity to 134 top end of separator branch, and the first separation outlet 132 is set to separator branch 134
Bottom.So as to ensure that position of the position less than the first liquid phase cryogen outlet 131 of the first separation outlet 132, and then ensure
The smooth discharge of lubricating oil.
In use, the gas-liquid two-phase azeotrope in ice chest 110 is entered in refrigerant compressor 120, by cryogen pressure
Processing in contracting machine 120, a part of cryogen are entered from gas phase cryogen outlet 136 in ice chest 110 in the form of gas phase, a part
Cryogen is entered from the first liquid phase cryogen outlet 131 in ice chest 110 in the form of liquid phase, and is carried during cryogen is compressed
Compressor in lubricating oil, then pass through first separation outlet 132 discharge.
By above-mentioned structure, can in normal production regular removal of lubricant.Lubricating oil is efficiently solved in ice chest
It is accumulated in 110, causes 110 blockage problem of ice chest.It is greatly promoted production.
Further, the first separator 130 is internally provided with wire mesh demister 137, and wire mesh demister 137 is disposed in proximity to
At gas phase cryogen outlet 136.
By inside the first separator 130 set wire mesh demister 137, can to azeotrope gas phase further into
Row filtering, so as to further ensure that the purity into the gas phase in ice chest 110, further ensure that entire refrigerant cycle
The reliability of operation of device 100 advantageously accounts for lubricating oil and is accumulated in ice chest 110, causes 110 blockage problem of ice chest.
Further, refrigerant cycle device 100 further includes at least one second separator 140.
Each second separator 140 be respectively provided with the second gas-liquid two-phase entrance 141, the second gas phase cryogen outlet 142 and
Liquid-phase outlet.Wherein, the second gas phase cryogen outlet 142 is located at the top of the second separator 140, and liquid-phase outlet is located at the second separation
The bottom of device 140.
Further, liquid-phase outlet includes 146 and second separation outlet 143 of second liquid phase cryogen outlet.
Further, the second gas-liquid two-phase entrance 141 of the second separator 140 is communicated in an outlet of ice chest 110, and second
The second gas phase cryogen outlet 142 of separator 140 and the second liquid phase cryogen outlet 146 of the second separator 140 are communicated in
The entrance of ice chest 110.Second separation outlet 143 is for separation lubrication oil.
It should be understood that the second above-mentioned separator 140 and the specific connection mode of ice chest 110 can select this field common
Connection mode.Specifically, the second separator 140 is connected to ice chest 110 using connecting tube.Second separator 140 it is specific
Structure can also select the common structure in this field.Specifically, the second separator 140 can select the common cryogen section in this field
Stream separator.
By setting the second above-mentioned separator 140, it can further ensure what entire refrigerant cycle device 100 was run
Stability further optimizes entire refrigerant cycle device 100.Specifically, since entire refrigerant cycle device 100 is that gas-liquid is mixed
Close conveying, this allow for pipeline 144 be easy to generate vibration, and the setting of the second separator 140 can efficiently reduce or
The generation that this is avoided to vibrate.
Further, the liquid-phase outlet of at least one second separator 140 includes second liquid phase cryogen outlet 146 and second
Separation outlet 143.Wherein, 146 and second separation outlet 143 of second liquid phase cryogen outlet is located at the bottom of the second separator 140,
And second detaches the position of outlet 143 less than second liquid phase cryogen outlet 146.
By above-mentioned setting, the second separator 140 can also realize cryogen and lubricating oil separation, recycle the work(of lubricating oil
Can, it further advantageously accounts for lubricating oil and is accumulated in ice chest 110, cause 110 blockage problem of ice chest.
In the utility model other optional embodiments, the second above-mentioned separator 140 can select what is be set as
Liquid-phase outlet includes 146 and second separation outlet 143 of second liquid phase cryogen outlet.
Further, the second gas-liquid two-phase entrance 141 of each the second separator 140 is connected to by pipeline 144
Ice chest 110 is both provided with valve 145 on pipeline 144.
By setting valve 145 so that entire 100 controllability of refrigerant cycle device is high, is conducive to produce.
Second embodiment
Fig. 3 is please referred to, the present embodiment provides a kind of refrigerant cycle devices 200.Itself and the cryogen provided in first embodiment
The basic structure all same of circulator 100, the difference lies in the present embodiment, cold in refrigerant cycle device 200 for institute
Agent compressor is screw compressor 210.
3rd embodiment
Fig. 4 is please referred to, the present embodiment provides a kind of refrigerant cycle devices.Itself and the refrigerant cycle provided in first embodiment
The basic structure all same of device 100, the difference lies in the present embodiment, first in refrigerant cycle device detaches for institute
The specific structure of device 310 is different.
First separator 310 is vertical separator.The bottom ends that first separation outlet 312 is set to vertical separator, first
Liquid phase cryogen outlet 311 is set on the side wall of vertical separator.The position of first separation outlet 312 is less than the first liquid phase cryogen
The position of outlet 311.
Fourth embodiment
The present embodiment provides a kind of refrigerant cycle systems.It include first embodiment offer refrigerant cycle device 100 or
The refrigerant cycle device that the refrigerant cycle device 200 or 3rd embodiment that person's second embodiment provides provide.
The refrigerant cycle system further includes lubricant retracting device.
In conclusion refrigerant cycle device provided by the utility model, including ice chest, refrigerant compressor and the first separation
Device.Wherein, there is the first separator gas-liquid two-phase entrance, gas phase cryogen outlet, the first liquid phase cryogen outlet and first to isolate
Mouthful, gas phase cryogen outlet is located at first point positioned at the top of the first separator, the outlet of the first liquid phase cryogen and the first separation outlet
Bottom from device, and the position of the first separation outlet is exported less than the first liquid phase cryogen.By setting on the first separator
One liquid phase cryogen exports and the first separation exports so that the lubricating oil in refrigerant compressor can be separated and recovered with cryogen, be avoided
Cryogen carries lubrication oil circulation by compressor, causes the problem of cryogen lubricating oil is accumulated in ice chest, ice chest is caused to block.
By the way that the position of the first separation outlet is arranged below the position that the first liquid phase cryogen exports, lubricating oil and cryogen not phase are utilized
It is molten, and lubrication oil density is big, is deposited in bottom, has effectively achieved the separation of lubricating oil and cryogen, and then solves entire cold
Ice chest blockage problem is solved in agent circulator.
Refrigerant cycle system provided by the utility model by setting above-mentioned refrigerant cycle device, solves lubricating oil and exists
It is accumulated in ice chest, causes ice chest blockage problem, may advantageously facilitate production.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.It should be noted that
It arrives：Similar label and letter represents similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice does not need to then that it is further defined and explained in subsequent attached drawing.
Claims (10)
1. a kind of refrigerant cycle device, which is characterized in that including：
Ice chest；
Refrigerant compressor；And
First separator, first separator have gas-liquid two-phase entrance, gas phase cryogen outlet, the first liquid phase cryogen outlet and
First separation outlet, gas phase cryogen outlet positioned at the top of first separator, the first liquid phase cryogen outlet and
The first separation outlet is positioned at the bottom of first separator, and the position of the first separation outlet is less than described first
Liquid phase cryogen exports.
2. refrigerant cycle device as described in claim 1, which is characterized in that
First separator is horizontal separator, and the horizontal separator includes separator body and separator branch；
The separator branch is connected to the separator body, and the separator branch is set to the separator body
Bottom；
The first liquid phase cryogen outlet and the described first separation outlet are arranged in the separator branch, and described first
Liquid phase cryogen outlet is disposed in proximity to separator branch top end, and the first separation outlet is set to the separator point
The bottom end in portion.
3. refrigerant cycle device as described in claim 1, which is characterized in that
First separator is vertical separator, and the first separation outlet is set to the bottom end of the vertical separator, institute
The outlet of the first liquid phase cryogen is stated to be set on the side wall of the vertical separator.
4. refrigerant cycle device as described in claim 1, which is characterized in that
First separator interior is provided with wire mesh demister, and the wire mesh demister is disposed in proximity to the gas phase cryogen and goes out
At mouthful.
5. such as claim 1-4 any one of them refrigerant cycle devices, which is characterized in that
The refrigerant cycle device further includes at least one second separator；
Each described second separator is respectively provided with the second gas-liquid two-phase entrance, the outlet of the second gas phase cryogen and liquid-phase outlet；
Positioned at the top of second separator, the liquid-phase outlet is located at the described second separation for the second gas phase cryogen outlet
The bottom of device.
6. refrigerant cycle device as claimed in claim 5, which is characterized in that
The liquid-phase outlet of at least one second separator includes the outlet of second liquid phase cryogen and the second separation exports；
The second liquid phase cryogen outlet and the described second separation outlet are located at the bottom of second separator, and described second
The position for detaching outlet is exported less than the second liquid phase cryogen.
7. refrigerant cycle device as claimed in claim 5, which is characterized in that
The second gas-liquid two-phase entrance of each second separator is connected to the ice chest, the pipe by pipeline
Valve is both provided on road.
8. refrigerant cycle device as described in claim 1, which is characterized in that
The refrigerant compressor is screw compressor.
9. refrigerant cycle device as described in claim 1, which is characterized in that
The refrigerant compressor is the helical-lobe compressor of single machine two-stage.
10. a kind of refrigerant cycle system, which is characterized in that including such as claim 1-9 any one of them refrigerant cycle device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396148.7U CN207471855U (en) | 2017-10-26 | 2017-10-26 | A kind of refrigerant cycle device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396148.7U CN207471855U (en) | 2017-10-26 | 2017-10-26 | A kind of refrigerant cycle device and system |
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| Publication Number | Publication Date |
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| CN207471855U true CN207471855U (en) | 2018-06-08 |
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ID=62265114
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| CN201721396148.7U Active CN207471855U (en) | 2017-10-26 | 2017-10-26 | A kind of refrigerant cycle device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959082A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Conditioner and automatically controlled case assembly |
-
2017
- 2017-10-26 CN CN201721396148.7U patent/CN207471855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959082A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Conditioner and automatically controlled case assembly |
| CN109959082B (en) * | 2019-04-15 | 2023-10-24 | 广东美的制冷设备有限公司 | Air conditioning device and electric control box assembly |
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