CN108592448A - Synergy auto-cascading refrigeration system is pressed in a kind of injector - Google Patents
Synergy auto-cascading refrigeration system is pressed in a kind of injector Download PDFInfo
- Publication number
- CN108592448A CN108592448A CN201810491940.3A CN201810491940A CN108592448A CN 108592448 A CN108592448 A CN 108592448A CN 201810491940 A CN201810491940 A CN 201810491940A CN 108592448 A CN108592448 A CN 108592448A
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- Prior art keywords
- condenser
- injector
- evaporative condenser
- outlet
- auto
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Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000001704 evaporation Methods 0.000 claims abstract description 17
- 230000008020 evaporation Effects 0.000 claims abstract description 17
- 239000007792 gaseous phase Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 25
- 238000009835 boiling Methods 0.000 abstract description 24
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
-
- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
-
- 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
- F25B43/006—Accumulators
Abstract
Synergy auto-cascading refrigeration system, including a compressor, a condenser, a segregator, an evaporative condenser, a first throttle mechanism, a gas-liquid separator, a second throttle body, a third throttle mechanism, an evaporator, an injector are pressed in a kind of injector；The evaporative condenser, including two condenser coils and an evaporation coil.Injection power of the present invention using the high boiling middle compression refrigerant of part after primary throttling as injector, superheated steam in injection evaporator, improve auto-cascade refrigeration suction pressure of compressor, realize enhancing auto-cascading refrigeration system efficiency, maintain the evaporation channel temperature in evaporative condenser relatively low simultaneously, ensure the condensation effect in evaporative condenser, so that the refrigerant rich in low boiling point component is subcooled in evaporative condenser, it is ensured that cooling system amount.
Description
【Technical field】
The invention belongs to refrigerators and refrigerator refrigeration technology field, and in particular to pressure synergy runback folds in a kind of injector
Cooling system.
【Background technology】
Currently, the extensive use in cryogenic freezing field of automatic cascade Refrigeration Technique, common two-stage or multistage automatic cascade
The refrigeration in Different hypothermia area may be implemented using a compressor for refrigeration system, but require compression while its realization cryogenic refrigeration
The compression of machine is bigger, and refrigerating efficiency is relatively low, and simultaneity factor operation stability needs to be further increased.
For the low situation of automatic cascade refrigeration system efficiency, Chinese invention patent 201510931927.1 discloses one kind
Using the Auto-cascade cycle list temperature or Duel-temperature refrigeration cycle system of injector synergy, directly using the liquid refrigerant of higher boiling high pressure as
The injection power of injector, injection carry out the low pressure low boiling point gaseous refrigerant of flash-pot, realize mixing and supercharging, increase pressure
The pressure of inspiration(Pi) of contracting machine improves system energy efficiency.But simultaneity factor is by whole expansions rich in higher boiling high pressure liquid refrigerant
As injection power, the refrigerant temperature for being after injection mixing increases, and is used further to refrigeration of the condensation rich in low boiling point component at this time
Agent, the temperature difference is smaller, and condensation effect is poor.
【Invention content】
Synergy auto-cascading refrigeration system is pressed in a kind of injector of present invention offer, improves auto-cascade refrigeration compressor air suction pressure
Power realizes enhancing auto-cascading refrigeration system operational energy efficiency.
The invention is realized in this way：
Press synergy auto-cascading refrigeration system in a kind of injector, including a compressor (101), a condenser (102), one point
Condenser (103), an evaporative condenser (104), a first throttle mechanism (105), a gas-liquid separator (106), one second throttling
Mechanism (107), a third throttle mechanism (108), an evaporator (109), an injector (110)；
The evaporative condenser (104), including two condenser coils (104a, 104b) and an evaporation coil (104c)；
The outlet of the compressor (101) is connected with the condenser (102)；The condenser (102) and the fractional condensation
Device (103) is connected；Condenser coil (104a) phase of the gaseous phase outlet of the segregator (103) and the evaporative condenser (104)
Even, the liquid-phase outlet of the segregator (103) is connected with the first throttle mechanism (105)；The first throttle mechanism (105)
It is connected with the gas-liquid separator (106)；The gaseous phase outlet of the gas-liquid separator (106) and the evaporative condenser (104)
Condenser coil (104b) be connected, the spray of the condenser coil (104b) of the evaporative condenser (104) outlet and injector (110)
Mouth is connected；The liquid-phase outlet of the gas-liquid separator (106) is connected with the second throttle body (107)；Second throttling
The outlet of mechanism (107) is connected with the evaporation channel (104c) of the evaporative condenser (104)；The evaporative condenser (104)
Condenser coil (104a) outlet be connected with the third throttle mechanism (108)；Third throttle mechanism (108) outlet and institute
Evaporator (109) is stated to be connected；The evaporation channel (104c) of evaporator (109) outlet and the evaporative condenser (104) goes out
Mouth is connected with the ejecting port import of the injector (110) again after being connected；Injector (110) outlet and compressor (101)
Import be connected.
The advantage of the invention is that：1, the liquid refrigerant second throttle of higher boiling ingredient will be rich in segregator, one
Gas-liquid separator is set after secondary throttling, and the middle pressure gaseous refrigerant of gas-liquid separator is further cold in evaporative condenser
Solidifying, injection power of the condensed middle pressure higher boiling liquid refrigerant as injector, driving injection evaporator low pressure is rich in low
The refrigerant gas of boiling component realizes the pressure of inspiration(Pi) for increasing compressor, improves auto-cascading refrigeration system efficiency.2, of the invention
Injector synergy auto-cascading refrigeration system, by the further condensed liquid refrigerant of the middle pressure gaseous refrigerant of gas-liquid separator
As the injection power of injector, it is not necessarily to additional injector injection power.3, injector synergy auto-cascade refrigeration system of the present invention
System, it is compact-sized, it is adaptable.
【Description of the drawings】
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is inventive refrigeration system structural schematic diagram.
Fig. 2 is inventive refrigeration system course of work pressure-enthalpy diagram (P-h figure)
【Specific implementation mode】
As shown in Figure 1, pressing synergy auto-cascading refrigeration system, including a compressor 101, a condenser in a kind of injector
102, a segregator 103, an evaporative condenser 104, a first throttle mechanism 105, a gas-liquid separator 106, one second throttling
Mechanism 107, a third throttle mechanism 108, an evaporator 109, an injector 110；
Evaporative condenser 104, including two independent condenser coil 104a, condenser coil 104b and an evaporation channel
104c.Evaporation channel 104c realizes heat exchange with condenser coil 104a and condenser coil 104b simultaneously.
The outlet of the compressor 101 is connected with the condenser 102；The condenser 102 and 103 phase of the segregator
Even；The gaseous phase outlet of the segregator 103 is connected with the condenser coil 104a of the evaporative condenser 104, the segregator 103
Liquid-phase outlet be connected with the first throttle mechanism 105；The first throttle mechanism 105 and 106 phase of the gas-liquid separator
Even；The gaseous phase outlet of the gas-liquid separator 106 is connected with the condenser coil 104b of the evaporative condenser 104, the evaporation
The outlets condenser coil 104b of condenser 104 are connected with the nozzle of injector 110；The liquid-phase outlet of the gas-liquid separator 106
It is connected with the second throttle body 107；The evaporation of the outlet and the evaporative condenser 104 of the second throttle body 107
Channel 104c is connected；The outlets condenser coil 104a of the evaporative condenser 104 are connected with the third throttle mechanism 108；Institute
The outlet of third throttle mechanism 108 is stated with the evaporator 109 to be connected；The evaporator 109 exports and the evaporative condenser 104
The outlet evaporation channel 104c be connected after be connected again with the ejecting port import of the injector 110；The injector 110 export with
The import of compressor 101 is connected.
As shown in Fig. 2, being course of work pressure-enthalpy diagram (P-h figures) of the present invention.
Specific workflow of the present invention：
This system uses two kinds high low boiling point mix refrigerant (higher boiling refrigerant R134a, low boiling point refrigerant R23),
101 high temperature and pressure of compressor exhaust (2 points) condensed device 102 is partially condensated as gas-liquid mixture () at 3 points, and wherein liquid is rich in height
Boiling component, gas are rich in low boiling point component, are rich in higher boiling component liquids () and the gas (12 rich in low boiling point component at 4 points
Point) it is detached in segregator 103, wherein becoming after the throttling of first throttle mechanism 105 rich in higher boiling component refrigerant liquid
The gas-liquid mixture (5 points) of intermediate voltage, into gas-liquid separator 106, in gas-liquid separator 106 gaseous refrigerant (7 points) into
The condenser coil 104b for entering evaporative condenser 104 is further condensed into subcooled liquid () at 8 points, then enters the spray of injector 110
Mouth is as injection power, and liquid refrigerant (6 points) carries out second throttle (9 through second throttle body 107 in gas-liquid separator 106
Point) afterwards into the heat of evaporation channel 104c the absorption condensation coil pipe 104a and condenser coil 104b of evaporative condenser 104, become
Superheated steam (11 points) rich in higher boiling ingredient, (12 points) warps of gaseous refrigerant in segregator 103 rich in low boiling point component
The condenser coil 104a of evaporative condenser 104 is further condensed into sub-cooled liquid refrigerant () at 13 points, then enters third and throttles
Mechanism 108 throttles, and becomes gas-liquid mixture () after throttling at 14 points, finally enters 109 sweat cooling of evaporator, evaporator 109 goes out
Overheated gas refrigerant (15 point) of the mouth rich in low boiling point component and evaporation channel (104c) outlet of evaporative condenser (104) are rich
After (11 points) mixing of high boiling gas refrigerant (), it is rich in the intermediate voltage liquid refrigerant (8 of higher boiling ingredient at 16 points
Point) enter the nozzle of injector 110 by pressure energy be converted into speed can (10 points), to injection low pressure mixed gas (16 points),
Middle pressure liquid refrigerant (8 points) mixes () at 17 points at 16 points with low pressure mixed gas () in the cavity of injector 110, through injector
110 diffuser boosting (1 point) finally enters compressor 101 and completes cycle.
Synergy auto-cascading refrigeration system is pressed in a kind of injector of present invention offer, using the higher boiling of part after primary throttling
Injection power of the middle compression refrigerant as injector, superheated steam in injection evaporator improves auto-cascade refrigeration compressor and inhales
Atmospheric pressure realizes enhancing auto-cascading refrigeration system efficiency, while maintaining the evaporation channel temperature in evaporative condenser relatively low, it is ensured that
Condensation effect in evaporative condenser makes the refrigerant rich in low boiling point component be subcooled in evaporative condenser, it is ensured that system system
Cold.
The foregoing is merely the preferable implementation use-cases of the present invention, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement and improvement etc., should be included in the present invention's made by
Within protection domain.
Claims (1)
1. pressing synergy auto-cascading refrigeration system in a kind of injector, it is characterised in that：
Including a compressor (101), a condenser (102), a segregator (103), an evaporative condenser (104), a first segment
Flow mechanism (105), a gas-liquid separator (106), a second throttle body (107), a third throttle mechanism (108), an evaporation
Device (109), an injector (110)；
The evaporative condenser (104), including two condenser coils (104a, 104b) and an evaporation coil (104c)；
The outlet of the compressor (101) is connected with the condenser (102)；The condenser (102) and the segregator
(103) it is connected；The gaseous phase outlet of the segregator (103) is connected with the condenser coil (104a) of the evaporative condenser (104),
The liquid-phase outlet of the segregator (103) is connected with the first throttle mechanism (105)；The first throttle mechanism (105) with
The gas-liquid separator (106) is connected；The gaseous phase outlet of the gas-liquid separator (106) and the evaporative condenser (104)
Condenser coil (104b) is connected, the nozzle of condenser coil (104b) outlet and injector (110) of the evaporative condenser (104)
It is connected；The liquid-phase outlet of the gas-liquid separator (106) is connected with the second throttle body (107)；The second throttling machine
The outlet of structure (107) is connected with the evaporation channel (104c) of the evaporative condenser (104)；The evaporative condenser (104)
Condenser coil (104a) outlet is connected with the third throttle mechanism (108)；The third throttle mechanism (108) outlet with it is described
Evaporator (109) is connected；The evaporation channel (104c) of evaporator (109) outlet and the evaporative condenser (104) exports
It is connected again with the ejecting port import of the injector (110) after being connected；Injector (110) outlet and compressor (101)
Import is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491940.3A CN108592448A (en) | 2018-05-22 | 2018-05-22 | Synergy auto-cascading refrigeration system is pressed in a kind of injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491940.3A CN108592448A (en) | 2018-05-22 | 2018-05-22 | Synergy auto-cascading refrigeration system is pressed in a kind of injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108592448A true CN108592448A (en) | 2018-09-28 |
Family
ID=63632172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810491940.3A Pending CN108592448A (en) | 2018-05-22 | 2018-05-22 | Synergy auto-cascading refrigeration system is pressed in a kind of injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108592448A (en) |
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|---|---|---|---|---|
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| CN207230989U (en) * | 2017-07-25 | 2018-04-13 | 广东工业大学 | Spray the dual temperature sweat cooling system of synergy |
| CN107990580A (en) * | 2017-11-07 | 2018-05-04 | 西安交通大学 | A kind of the self-cascade heat pump system and operational mode of separating for several times injection synergy |
| CN108007006A (en) * | 2017-11-07 | 2018-05-08 | 西安交通大学 | A kind of the self-cascade heat pump system and operational mode of multi-mode injection synergy |
| CN208588110U (en) * | 2018-05-22 | 2019-03-08 | 福建工程学院 | Synergy auto-cascading refrigeration system is pressed in a kind of injector |
-
2018
- 2018-05-22 CN CN201810491940.3A patent/CN108592448A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121168A (en) * | 1994-10-15 | 1996-04-24 | 西安建筑科技大学 | Energy-saving double-temp. refrigerant method and system |
| JP2000220993A (en) * | 1999-01-27 | 2000-08-08 | Kubota Corp | Ozone circulating and cleaning apparatus for heat exchanger |
| JP2008139019A (en) * | 2008-01-21 | 2008-06-19 | Denso Corp | Ejector cycle |
| CN102620461A (en) * | 2012-04-19 | 2012-08-01 | 浙江大学宁波理工学院 | Auto-cascade jet type refrigerator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180928 |