CN206787102U - Copious cooling throttle refrigeration unit - Google Patents
Copious cooling throttle refrigeration unit Download PDFInfo
- Publication number
- CN206787102U CN206787102U CN201720502177.0U CN201720502177U CN206787102U CN 206787102 U CN206787102 U CN 206787102U CN 201720502177 U CN201720502177 U CN 201720502177U CN 206787102 U CN206787102 U CN 206787102U
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- China
- Prior art keywords
- heat exchanger
- fractional condensation
- outlet
- level
- temperature component
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Abstract
The utility model discloses a kind of copious cooling throttle refrigeration unit, including compressor, condenser and evaporator, the refrigerant exit of the compressor connects the refrigerant import of the condenser, also include fractional condensation separator, the fractional condensation separator includes fractional condensation side and condensation side, the fractional condensation side of the refrigerant exit connection fractional condensation separator of the condenser, the fractional condensation separator are provided with the outlet of low temperature component and high-temperature component outlet；The high-temperature component outlet is connected with first order restricting element；Second level restricting element is connected after the low temperature component outlet connection at least primary side of one-level recuperative heat exchanger, the outlet of the second level restricting element connects the refrigerant import of the evaporator, and the refrigerant import of the compressor is connected after the secondary side of the refrigerant exit connection recuperative heat exchanger of the evaporator and the condensation side of the fractional condensation separator.Copious cooling throttle refrigeration unit of the present utility model, energy consumption is low, Energy Efficiency Ratio is high.
Description
Technical field
Technical field of refrigeration equipment is the utility model is related to, specifically, is related to a kind of copious cooling throttle refrigeration unit.
Background technology
Cryogenic quick-freezing equipment is a kind of regeneration product for substituting traditional quick-freezing room, and cryogenic quick-freezing equipment is shortening freeze-off time
There is remarkable performance in terms of obtaining more preferable freezing efficiency, and in safe and healthy, the quick-frozen operating environment of improvement and simplify speed
The requirement of modern is more adapted in terms of freezing operating process.But existing cryogenic refrigeration equipment generally use two-stage refrigeration unit,
I.e. high-temperature refrigeration unit and cryogenic refrigeration unit obtain cryogenic refrigeration temperature, and every grade of refrigeration unit is intended to set compressor, condensation
Device, expansion valve and evaporator.The cryogenic refrigeration equipment of existing this structure has following defect：Compression Evaporation pressure is low, defeated
Large-minded, compressor volume is big, and space-consuming is big, and energy consumption is big, and efficiency is low, and Energy Efficiency Ratio is low.
Utility model content
Technical problem to be solved in the utility model is：There is provided that a kind of energy consumption is low, the high copious cooling throttle refrigeration of Energy Efficiency Ratio
Unit.
In order to solve the above technical problems, the technical solution of the utility model is：
Copious cooling throttle refrigeration unit, including compressor, condenser and evaporator, the refrigerant exit connection institute of the compressor
The refrigerant import of condenser, in addition to fractional condensation separator are stated, the fractional condensation separator includes fractional condensation side and condensation side, the condensation
The fractional condensation side of the refrigerant exit connection fractional condensation separator of device, the fractional condensation separator are provided with the outlet of low temperature component and high temperature
Component exports；
The high-temperature component outlet is connected with first order restricting element；
Second level restricting element is connected after the low temperature component outlet connection at least primary side of one-level recuperative heat exchanger,
The outlet of the second level restricting element connects the refrigerant import of the evaporator, described in the refrigerant exit connection of the evaporator
The refrigerant import of the compressor is connected after the condensation side of the secondary side of recuperative heat exchanger and the fractional condensation separator.
Preferably, the low temperature component outlet is connected with two-stage recuperative heat exchanger, is respectively defined as first order back-heating type
Heat exchanger and second level recuperative heat exchanger；
The first order back-heating type is sequentially connected between the low temperature component outlet and the second level restricting element to exchange heat
Device and the second level recuperative heat exchanger；
The second level is sequentially connected between the condensation side of the refrigerant exit of the evaporator and the fractional condensation separator to return
Hot type heat exchanger and the first order recuperative heat exchanger.
Preferably, the condensation side or described first of the outlet connection fractional condensation separator of the first order restricting element
The secondary side-entrance of level recuperative heat exchanger.
Preferably, the fractional condensation separator includes housing, and the housing is provided with fractional condensation side-entrance, the high-temperature component goes out
Mouth and the outlet of low temperature component, the housing is interior to be provided with condenser pipe, and the condenser pipe leads to condensation side-entrance and condensation side outlet.
Preferably, it is provided with oil eliminator between the refrigerant import of the refrigerant exit of the compressor and the condenser.
Preferably, the first order restricting element and the second level restricting element are expansion valve.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Copious cooling throttle refrigeration unit of the present utility model, the saturated vapor of refrigerant enters compressor compresses, subsequently into height
Oil is carried out in the oil eliminator of effect, subsequently into being cooled down in condenser, the refrigerant steam after cooling enters from side-entrance is segregated
Segregate in separator, the high-temperature component partial condensation in refrigerant is into liquid, and suitable tube wall flows into fractional condensation separator bottom caching, from height
Expanded after warm component outlet outflow by first order restricting element, low temperature component exits into two-stage backheat from the outlet of low temperature component
The primary side of formula heat exchanger further cools down, and is changed into cryogenic liquid, after the throttling of second level restricting element, turns into super low temperature refrigeration
Liquid enters evaporator, and refrigerant absorbs heat in evaporator becomes the secondary side that gas passes through two-stage recuperative heat exchanger, and by the
High-temperature component mixing after the expansion of one-level restricting element, enters back into fractional condensation separator, is then return to compressor, completes a refrigeration
Circulation, in this process, refrigerant the once lateral secondary side of recuperative heat exchanger refrigerant heat release cool, secondary side it is cold
Matchmaker is absorbed heat from the refrigerant of primary side heats up.The copious cooling throttle refrigeration unit of such a structure, defeated vapour amount is low, compressor small volume, accounts for
It is small with space, than two stages of compression piston refrigeration energy saving of system 40% or so, than screw compressor system energy-conservation 38%, than two-stage pressure
The Screw chiller energy-conservation 31% or so of contracting, Energy Efficiency Ratio is high.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is a kind of structural representation of copious cooling throttle refrigeration unit of the present utility model；
Fig. 2 is another structural representation of copious cooling throttle refrigeration unit of the present utility model；
In figure：1- compressors；2- oil eliminators；3- condensers；4- segregates separator；41- housings；42- condenser pipes；43-
Segregate side-entrance；44- low temperature component exports；45- condenses side-entrance；46- condenses side outlet；47- high-temperature components export；5- first
Level restricting element；6- first order recuperative heat exchangers；7- second level recuperative heat exchanger；8- second level restricting element；9- evaporates
Device.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Referring to Figures 1 and 2, copious cooling throttle refrigeration unit of the present utility model, including compressor 1, condenser 3 and evaporator
9, the refrigerant import of the refrigerant exit connection condenser 3 of compressor 1, in addition to fractional condensation separator 4, fractional condensation separator 4 include dividing
Solidifying side and condensation side, the fractional condensation side of the refrigerant exit connection fractional condensation separator 4 of condenser 3, fractional condensation separator 4 are provided with low temperature group
Sub-export 44 and high-temperature component outlet 47.Oily separation is provided between the refrigerant exit of compressor 1 and the refrigerant import of condenser
Device 2.
High-temperature component outlet 47 is connected with first order restricting element 5；The connection of low temperature component outlet 44 at least one-level back-heating type
Second level restricting element 8 is connected after the primary side of heat exchanger, the refrigerant of the outlet connection evaporator 9 of second level restricting element enters
Mouthful, connect compressor after the secondary side of refrigerant exit connection recuperative heat exchanger and the condensation side of fractional condensation separator 4 of evaporator 9
1 refrigerant import.
In the present embodiment, low temperature component outlet 44 is connected with two-stage recuperative heat exchanger, is respectively defined as first order backheat
Formula heat exchanger 6 and second level recuperative heat exchanger 7；The is sequentially connected between low temperature component outlet 44 and second level restricting element 8
One-level recuperative heat exchanger 6 and second level recuperative heat exchanger 7；The condensation side of the refrigerant exit of evaporator 9 and fractional condensation separator 4
Between be sequentially connected with second level recuperative heat exchanger 7 and first order recuperative heat exchanger 6.
The condensation side or first order recuperative heat exchanger 6 of the outlet connection fractional condensation separator 4 of first order restricting element 5
Secondary side-entrance.
Fractional condensation separator 4 includes housing 41, and housing 41 is provided with fractional condensation side-entrance 41 and low temperature component outlet 44 and height
Warm component outlet 47, housing 41 is interior to be provided with condenser pipe 42, and condenser pipe 42 leads to condensation side-entrance 45 and condensation side outlet 46.
First order restricting element 5 and second level restricting element 8 are expansion valve.
Copious cooling throttle refrigeration unit of the present utility model, the saturated vapor of refrigerant compresses into compressor 1, subsequently into height
Oil is carried out in the oil eliminator 2 of effect, is cooled down subsequently into condenser 3, the refrigerant steam after cooling segregates side-entrance 43 certainly
Into in fractional condensation separator 4, the high-temperature component partial condensation in refrigerant flows into fractional condensation separator 4 bottom along tube wall and delayed into liquid
Deposit, expanded from after the outflow of high-temperature component outlet 47 by first order restricting element 5, low temperature component flows out from low temperature component outlet 44
Primary side into two-stage recuperative heat exchanger further cools down, and is changed into cryogenic liquid, after the throttling of second level restricting element 8,
Enter evaporator 9 as super low temperature refrigeration liquid, refrigerant heat absorption in evaporator 9 becomes gas by two-stage recuperative heat exchanger
Secondary side, mixed with the high-temperature component after the expansion of first order restricting element 5, enter back into fractional condensation separator 4, be then return to pressure
Contracting machine 1, complete a kind of refrigeration cycle, in this process, refrigerant of the refrigerant in the once lateral secondary side of recuperative heat exchanger
Heat release cools, and the refrigerant of secondary side absorbs heat from the refrigerant of primary side to heat up.The copious cooling throttle refrigeration unit of such a structure, defeated vapour amount
It is low, compressor small volume, occupy little space, than two stages of compression piston refrigeration energy saving of system 40% or so, than screw compression system
System energy-conservation 38%, the Screw chiller than two stages of compression save 31% or so, and Energy Efficiency Ratio is high.
Citing described above for the utility model preferred forms, wherein the part do not addressed in detail is this area
The common knowledge of those of ordinary skill.The scope of protection of the utility model is defined by the content of claim, any to be based on this reality
The equivalent transformation carried out with new technical inspiration, also within the scope of protection of the utility model.
Claims (6)
1. copious cooling throttle refrigeration unit, including compressor, condenser and evaporator, described in the refrigerant exit connection of the compressor
The refrigerant import of condenser, it is characterised in that：Also include fractional condensation separator, the fractional condensation separator includes fractional condensation side and condensation
Side, the fractional condensation side of the refrigerant exit connection fractional condensation separator of the condenser, the fractional condensation separator are provided with low temperature group
Sub-export and high-temperature component outlet；
The high-temperature component outlet is connected with first order restricting element；
Second level restricting element is connected after the low temperature component outlet connection at least primary side of one-level recuperative heat exchanger, it is described
The outlet of second level restricting element connects the refrigerant import of the evaporator, and the refrigerant exit of the evaporator connects the backheat
The refrigerant import of the compressor is connected after the condensation side of the secondary side of formula heat exchanger and the fractional condensation separator.
2. copious cooling throttle refrigeration unit according to claim 1, it is characterised in that：The low temperature component outlet is connected with two
Level recuperative heat exchanger, is respectively defined as first order recuperative heat exchanger and second level recuperative heat exchanger；
Be sequentially connected between low temperature component outlet and the second level restricting element first order recuperative heat exchanger and
The second level recuperative heat exchanger；
The second level back-heating type is sequentially connected between the condensation side of the refrigerant exit of the evaporator and the fractional condensation separator
Heat exchanger and the first order recuperative heat exchanger.
3. copious cooling throttle refrigeration unit according to claim 2, it is characterised in that：The outlet of the first order restricting element
Connect the condensation side of the fractional condensation separator or the secondary side-entrance of the first order recuperative heat exchanger.
4. copious cooling throttle refrigeration unit according to claim 1, it is characterised in that：The fractional condensation separator includes housing,
The housing is provided with fractional condensation side-entrance, high-temperature component outlet and the outlet of low temperature component, and condenser pipe is provided with the housing,
The condenser pipe leads to condensation side-entrance and condensation side outlet.
5. copious cooling throttle refrigeration unit according to claim 1, it is characterised in that：The refrigerant exit of the compressor and institute
State and be provided with oil eliminator between the refrigerant import of condenser.
6. the copious cooling throttle refrigeration unit according to any one of claim 1 to 5, it is characterised in that：The first order throttling
Element and the second level restricting element are expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502177.0U CN206787102U (en) | 2017-05-08 | 2017-05-08 | Copious cooling throttle refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502177.0U CN206787102U (en) | 2017-05-08 | 2017-05-08 | Copious cooling throttle refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787102U true CN206787102U (en) | 2017-12-22 |
Family
ID=60710517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720502177.0U Expired - Fee Related CN206787102U (en) | 2017-05-08 | 2017-05-08 | Copious cooling throttle refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206787102U (en) |
-
2017
- 2017-05-08 CN CN201720502177.0U patent/CN206787102U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20190508 |