CN104792054A - Ejector enhanced auto-cascade steam compressing type refrigeration cycle system - Google Patents
Ejector enhanced auto-cascade steam compressing type refrigeration cycle system Download PDFInfo
- Publication number
- CN104792054A CN104792054A CN201510159271.6A CN201510159271A CN104792054A CN 104792054 A CN104792054 A CN 104792054A CN 201510159271 A CN201510159271 A CN 201510159271A CN 104792054 A CN104792054 A CN 104792054A
- Authority
- CN
- China
- Prior art keywords
- outlet
- injector
- compressor
- auto
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
An ejector enhanced auto-cascade steam compressing type refrigeration cycle system comprises a compressor, a condenser and a gas-liquid separator which are connected in sequence. An outlet of the gas-liquid separator is divided into two paths, one saturated refrigerant liquid outlet is connected with a work fluid inlet of an ejector, and the other saturated refrigerant gas outlet is connected with a condensation side inlet of an evaporation condenser. A condensation side outlet of the condenser is connected with an inlet of an expansion valve, an outlet of the expansion valve is connected with an inlet of the evaporator, an outlet of the evaporator is connected with a driving fluid inlet of the ejector, an outlet of the ejector is connected with an evaporation side inlet of the evaporation condenser, an evaporation side outlet of the evaporation condenser is connected with a gas suction opening of the compressor, and a cycle is completed. The ejector is used in the auto-cascade steam compressing type refrigeration cycle system for replacing an expansion valve or a capillary tube to recycle part of expansion power in the throttling process, the gas suction pressure of the compressor is improved, and therefore power consumption of the compressor in the cycle is reduced, the gas conveying amount of the compressor is improved, and the performance of the auto-cascade steam compressing type refrigeration cycle system is effectively improved.
Description
Technical field
The invention belongs to refrigeration technology field, be specifically related to a kind of Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy.
Background technology
Auto-cascading refrigeration system is a kind of use non-azeotropic mixed working medium, can realize multistage automatic cascade, thus obtain the refrigeration system of lower cryogenic temperature by single compressor.Relative to cascade refrigeration system, structure is simple, cost is low advantage that it has.Because auto-cascading refrigeration system has larger operation temperature area, apply widely so obtain in the field such as general cold, cryotronics, cryogenic medicine, freeze drying.Increasing rapidly in recent years along with energy demand, becoming increasingly conspicuous and the development of low-carbon economy of amblent air temperature problem, in energy-saving and environmental protection etc., propose higher requirement to auto-cascade refrigeration technology, therefore, the efficiency how improving auto-cascading refrigeration system becomes the direction of its development.Generally adopt expansion valve or capillary as throttling arrangement to realize refrigeration effect in conventional auto-cascading refrigeration system.But, because the operational difference of self-cascade refrigeration system system is larger, in the throttling process of circulation, there is larger restriction loss, so the efficiency of system can be lower.In fact, there is callable expansion work in its throttling process, therefore can carry out alternative expansion valve by using in self-cascade refrigeration system system injector or capillary carrys out recovery section expansion work, thus improve the efficiency of circulation.
Emitter construction is simple, with low cost, movement-less part, use under being suitable for comprising any fluid of two phase flow, at present about the application of injector on vapor compression system, great majority utilize the expansion work in injector recovery steam compression type refrigerating, heat pump circulating system throttling process, promote the pressure of inspiration(Pi) of compressor thus reduce the power consumption of compressor in circulation and improve the displacement of compressor, effectively promoting circulatory system performance.But the method applied on auto-cascading refrigeration system for injector also compares shortage.And in fact, because the operational difference of self-cascade refrigeration system system is larger, so have larger expansion work to reclaim potentiality, therefore in self-cascade refrigeration system system, application sprayers will have more positive meaning.
Summary of the invention
For solving the defect and deficiency that exist in above-mentioned prior art, the object of the present invention is to provide a kind of Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy, the performance of existing Auto-cascade cycle steam compressed refrigerating circulating system can be improved further.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy, comprise the compressor 101, condenser 102 and the gas-liquid separator 103 that connect successively, the outlet of described gas-liquid separator 103 is divided into two-way, the one saturated refrigerant liquid outlet in road connects the Working-fluid intaking of injector 107, and the saturated refrigerant gas outlet in another road connects the condensation side entrance of evaporative condenser 104; The condensation side outlet of evaporative condenser 104 connects the entrance of expansion valve 105, the outlet of expansion valve 105 is connected with the entrance of evaporimeter 106, the outlet of evaporimeter 106 is connected with the driving fluid entrance of injector 107, the outlet of injector 107 connects the evaporation side entrance of evaporative condenser 104, the evaporation side outlet of evaporative condenser 104 is connected to the air entry of compressor 101, completes circulation.
Adopt an injector 107 to replace expansion valve or capillary in systems in which, reclaim the demi-inflation merit of throttling process.
Saturated refrigerant liquid from the high pressure of gas-liquid separator 103 enters injector 107 Working-fluid intaking as working fluid, and injection comes from the driving fluid entrance that the refrigerant fluid of low pressure that evaporimeter 106 exports enters injector 107, two fluids mixes and supercharging in injector 107, then enter evaporative condenser 104 to evaporate, finally get back to compressor 101.
Compared to the Auto-cascade cycle steam compression type refrigeration circulatory system of routine, the present invention replaces expansion valve or capillary to reclaim the demi-inflation merit of throttling process by using injector 107 in systems in which, promote the pressure of inspiration(Pi) of compressor thus reduce the power consumption of compressor in circulation and improve the displacement of compressor, reach the object improving refrigeration system efficiency, and it is simple that the program has structure, advantage with low cost.In a word, this system is a kind of economy, effective, feasible improving countermeasure, effectively can improve the performance of Auto-cascade cycle steam compressed refrigerating circulating system, promotes the development of Auto-cascade cycle steam compressed refrigerating circulating system power-saving technology.
Accompanying drawing explanation
Fig. 1 is cooling cycle system schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, the present invention is a kind of Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy.A kind of Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy, comprise the compressor 101, condenser 102 and the gas-liquid separator 103 that connect successively, the outlet of described gas-liquid separator 103 is divided into two-way, the one saturated refrigerant liquid outlet in road connects the Working-fluid intaking of injector 107, and the saturated refrigerant gas outlet in another road connects the condensation side entrance of evaporative condenser 104; The condensation side outlet of evaporative condenser 104 connects the entrance of expansion valve 105, the outlet of expansion valve 105 is connected with the entrance of evaporimeter 106, the outlet of evaporimeter 106 is connected with the driving fluid entrance of injector 107, the outlet of injector 107 connects the evaporation side entrance of evaporative condenser 104, the evaporation side outlet of evaporative condenser 104 is connected to the air entry of compressor 101, completes circulation.
As shown in Figure 1, the course of work of the Auto-cascade cycle steam compressed refrigerating circulating system of a kind of injector synergy of the present invention is: the superheated refrigerant steam (in figure 2 places) that compressor 101 exports enters condenser 102 condensation becomes two-phase refrigerant flow body (in figure 3 places), and this two phase refrigerant fluid is divided into two-way in gas-liquid separator 103: a saturated refrigerant liquid in road (in figure 5 places) enters the Working-fluid intaking of injector 107 as working fluid; The saturated refrigerant gas in another road (in figure 4 places) enters evaporative condenser 104 condensation to be become saturated or crosses cold refrigerant liquid (in figure 6 places).This is saturated or cross cold refrigerant liquid and continue to enter throttling in expansion valve or capillary 105 and become two phase refrigerant fluid (in figure 7 places), this two phase refrigerant fluid continues to enter evaporation in evaporimeter 106 and becomes saturated or superheated refrigerant gas (in figure 8 places), saturated or the superheated refrigerant gas of this low pressure is entered the driving fluid entrance of injector 107 by the saturated refrigerant liquid injection of the high pressure from gas-liquid separator 103 as driving fluid, two fluids mixes and supercharging in injector 107, the refrigerant fluid (in figure 9 places) mixed after also supercharging enters evaporation in evaporative condenser 104 becomes superheated refrigerant gas (in figure 1 place), get back to compressor, complete circulation.
Claims (3)
1. the Auto-cascade cycle steam compressed refrigerating circulating system of an injector synergy, comprise the compressor (101), condenser (102) and the gas-liquid separator (103) that connect successively, it is characterized in that: the outlet of described gas-liquid separator (103) is divided into two-way, the one saturated refrigerant liquid outlet in road connects the Working-fluid intaking of injector (107), and the saturated refrigerant gas outlet in another road connects the condensation side entrance of evaporative condenser (104); The condensation side outlet of evaporative condenser (104) connects the entrance of expansion valve (105), the outlet of expansion valve (105) is connected with the entrance of evaporimeter (106), the outlet of evaporimeter (106) is connected with the driving fluid entrance of injector (107), the outlet of injector (107) connects the evaporation side entrance of evaporative condenser (104), the evaporation side outlet of evaporative condenser (104) is connected to the air entry of compressor (101), completes circulation.
2. the Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy according to claim 1, is characterized in that: adopt an injector (107) to replace expansion valve or capillary in systems in which, reclaim the demi-inflation merit of throttling process.
3. the Auto-cascade cycle steam compressed refrigerating circulating system of injector synergy according to claim 1 and 2, it is characterized in that: the saturated refrigerant liquid from the high pressure of gas-liquid separator (103) enters injector (107) Working-fluid intaking as working fluid, and the refrigerant fluid that injection comes from the low pressure that evaporimeter (106) exports enters the driving fluid entrance of injector (107), two fluids is mixing also supercharging in injector (107), then enter evaporative condenser (104) evaporation, finally get back to compressor (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159271.6A CN104792054A (en) | 2015-04-03 | 2015-04-03 | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159271.6A CN104792054A (en) | 2015-04-03 | 2015-04-03 | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104792054A true CN104792054A (en) | 2015-07-22 |
Family
ID=53557065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159271.6A Pending CN104792054A (en) | 2015-04-03 | 2015-04-03 | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104792054A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627608A (en) * | 2016-01-13 | 2016-06-01 | 西安交通大学 | Auto-cascade steam compression type refrigeration cycle system synergized by gas-gas ejector |
| 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 |
| CN108106048A (en) * | 2018-01-11 | 2018-06-01 | 西安交通大学 | A kind of injector expansion self-cascade refrigeration system system and the course of work |
| CN108317761A (en) * | 2018-01-17 | 2018-07-24 | 福建工程学院 | A kind of auto-cascading refrigeration system and control method of the compression of list two-stage coupling |
| CN108800653A (en) * | 2018-06-29 | 2018-11-13 | 河南科技大学 | A kind of mixed working fluid jet refrigeration circulation system of injector throttling synergy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963341A (en) * | 2006-11-21 | 2007-05-16 | 西安交通大学 | Self-overlapping refrigerating cycle system with injector |
| WO2011006251A1 (en) * | 2009-07-13 | 2011-01-20 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources | A jet pump system for heat and cold management, apparatus, arrangement and methods of use |
| US20120234026A1 (en) * | 2009-06-10 | 2012-09-20 | Oh Jongsik | High efficiency refrigeration system and cycle |
| CN103069226A (en) * | 2010-07-23 | 2013-04-24 | 开利公司 | Ejector-type refrigeration cycle and refrigeration device using the same |
| CN103822392A (en) * | 2014-03-02 | 2014-05-28 | 上海海洋大学 | Marine energy-saving auto-cascade refrigeration system |
-
2015
- 2015-04-03 CN CN201510159271.6A patent/CN104792054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963341A (en) * | 2006-11-21 | 2007-05-16 | 西安交通大学 | Self-overlapping refrigerating cycle system with injector |
| US20120234026A1 (en) * | 2009-06-10 | 2012-09-20 | Oh Jongsik | High efficiency refrigeration system and cycle |
| WO2011006251A1 (en) * | 2009-07-13 | 2011-01-20 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources | A jet pump system for heat and cold management, apparatus, arrangement and methods of use |
| CN103069226A (en) * | 2010-07-23 | 2013-04-24 | 开利公司 | Ejector-type refrigeration cycle and refrigeration device using the same |
| CN103822392A (en) * | 2014-03-02 | 2014-05-28 | 上海海洋大学 | Marine energy-saving auto-cascade refrigeration system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627608A (en) * | 2016-01-13 | 2016-06-01 | 西安交通大学 | Auto-cascade steam compression type refrigeration cycle system synergized by gas-gas ejector |
| 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 |
| CN108007006B (en) * | 2017-11-07 | 2019-04-16 | 西安交通大学 | A kind of the self-cascade heat pump system and operational mode of multi-mode injection synergy |
| CN108106048A (en) * | 2018-01-11 | 2018-06-01 | 西安交通大学 | A kind of injector expansion self-cascade refrigeration system system and the course of work |
| CN108106048B (en) * | 2018-01-11 | 2023-08-01 | 西安交通大学 | Ejector expansion self-cascade refrigeration cycle system and working process |
| CN108317761A (en) * | 2018-01-17 | 2018-07-24 | 福建工程学院 | A kind of auto-cascading refrigeration system and control method of the compression of list two-stage coupling |
| CN108800653A (en) * | 2018-06-29 | 2018-11-13 | 河南科技大学 | A kind of mixed working fluid jet refrigeration circulation system of injector throttling synergy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103148629B (en) | Gas-liquid phase ejector synergy refrigeration system for double temperature direct cooling-type refrigerator | |
| CN102128508B (en) | Ejector throttling and vapor supplementing system and heat pump or refrigerating system vapor supplementing method | |
| CN103776189B (en) | Tonifying Qi for the band injector of heat pump assembly increases enthalpy type heat pump circulating system | |
| CN105546863A (en) | Auto-cascade single-temperature or double-temperature refrigeration cycle system adopting ejector for synergism | |
| CN104848574B (en) | A kind of fractional condensation type Vapor Compression Refrigeration Cycle system of injector synergy | |
| CN103759449B (en) | The two-stage steam compression type circulatory system of dual jet synergy | |
| CN103954061B (en) | The one-stage steam compressed formula circulatory system of cold synergy crossed by a kind of injector | |
| CN104864622A (en) | Auto-cascade steam compression type refrigeration cycle system | |
| CN102042721B (en) | Synergy type steam compression heat pump circulating system of ejector | |
| CN102563945B (en) | Refrigeration circulating system with double-stage-injection ejector | |
| CN105627608B (en) | A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy | |
| CN101825372A (en) | Device and method for combined ejection refrigeration and vapor compression refrigeration cycle | |
| CN104792054A (en) | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system | |
| CN204373252U (en) | Change type CO2 trans critical cycle refrigeration system | |
| CN105546864A (en) | Auto-cascade vapor compression type refrigeration cycle system with evaporation subcooler | |
| CN204787383U (en) | From overlapping vapour pressure formula cooling cycle system that contracts | |
| CN1719157A (en) | Compression/injection mixed circulation refrigerating machine set | |
| CN102230681B (en) | Zero-superheat-degree running refrigerating system at evaporator outlet | |
| CN108106048A (en) | A kind of injector expansion self-cascade refrigeration system system and the course of work | |
| CN103398485A (en) | Steam compression refrigerating system device and supercooling method | |
| CN104930741A (en) | Novel compression auxiliary jetting refrigerating system with supercooler | |
| CN103808101B (en) | A kind of two injection for two temperature refrigerator and the double back heat integration synergism refrigerating circulatory system | |
| CN104567089A (en) | Compression-ejection compound refrigerating system using Knudsen compressor | |
| CN211120096U (en) | Absorption refrigeration system with double ejectors | |
| CN102878715B (en) | Throttling liquid feeding refrigerating system with jet pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |