CN103808101A - Dual-jet and dual-backheating combined synergistic refrigerating cycle system for dual-temperature refrigerator - Google Patents
Dual-jet and dual-backheating combined synergistic refrigerating cycle system for dual-temperature refrigerator Download PDFInfo
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- CN103808101A CN103808101A CN201410040517.3A CN201410040517A CN103808101A CN 103808101 A CN103808101 A CN 103808101A CN 201410040517 A CN201410040517 A CN 201410040517A CN 103808101 A CN103808101 A CN 103808101A
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- 230000002195 synergetic effect Effects 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims description 65
- 239000012530 fluid Substances 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
- 229920006395 saturated elastomer Polymers 0.000 claims description 22
- 239000011555 saturated liquid Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000010354 integration Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 31
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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Classifications
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- 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
- F25B41/00—Fluid-circulation arrangements
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- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0015—Ejectors not being used as compression device using two or more ejectors
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- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
Abstract
The invention discloses a dual-jet and dual-backheating combined synergistic refrigerating cycle system for a dual-temperature refrigerator. The dual-backheating combined synergistic refrigerating cycle system for the dual-temperature refrigerator is characterized by comprising a compressor, an exhaust backheating device, a condenser, a suction backheating device, a first capillary tube, a second capillary tube, a refrigerating chamber evaporator, a first injector, a second injector, a freezing chamber evaporator and a gas-liquid separator. By the adoption of the dual-backheating combined synergistic refrigerating cycle system for the dual-temperature refrigerator, expansion work and useful energy which are generated in the process of throttling can be fully recycled and utilized, and the efficiency and the performance of the refrigerating cycle system for the dual-temperature refrigerator are remarkably improved.
Description
Technical field
The invention belongs to refrigerator refrigeration technology field, be specifically related to a kind of two injections and the double back heat integration synergism refrigerating circulatory system for two temperature refrigerators.
Background technology
There is deep reform in current household electrical appliances market, energy-saving, intellectuality, personalized product become the main flow trend of industry development.Wherein, the refrigerator power-saving technology energy-conservation important theme with environmental protection of field of household appliances just.Through research and development in recent years, the power-saving technology of refrigerator has also had significant progress, is included in many-sided power-economizing method and the technology such as insulation material, door seal, compressor, condenser, cooling cycle system, control system.
At present, what family expenses refrigerating refrigerator mainly adopted is traditional steam compressed refrigerating circulating system, comprises compressor, condenser, device for drying and filtering, capillary, refrigerating chamber and two evaporimeters of refrigerating chamber.When refrigeration system work, to cold-producing medium throttling action, through the cold-producing medium sweat cooling effect of two evaporimeters, realize refrigerating chamber and refrigerating chamber temperature requirement separately by capillary.
But capillary-compensated process has larger irreversible loss, make cooling cycle system efficiency relatively low.Although existing researcher has proposed injector to introduce Vapor Compression Refrigeration Cycle both at home and abroad, form compression/injecting type hybrid refrigeration cycle and be applied to the two warm refrigerators of refrigerating.In these compression/injecting type hybrid refrigeration cycle schemes, mainly include compression/injecting type hybrid refrigeration cycle and other similar fashion of two-storage temperature refrigerator refrigerating chamber and freezer evaporator series and parallel connections.But, in these endless form, employing be that single injector is realized and reclaimed the demi-inflation merit of throttling process, thereby improve aspect systematic function limited in one's ability.In addition, in traditional steam compressed refrigerating circulating system, although also adopted compressor air suction backheat to improve the performance of cooling cycle system, still there is most of available energy to be underutilized.
Summary of the invention
The present invention solves the weak point that above-mentioned prior art exists, a kind of economy is provided, effective, feasible sprays and the cooling cycle system of double back heat integration synergy for two temperature refrigerators two, can fully reclaim and utilize expansion work and the available energy in throttling process, significantly promote and improve efficiency and the performance of two warm Refrigeration Cycle of Refrigerator systems.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of two injections for two temperature refrigerators of the present invention are that its composition comprises with the feature of the cooling cycle system of double back heat integration synergy: compressor, exhaust regenerator, condenser, air-breathing regenerator, the first capillary, the second capillary, refrigerator evaporator, the first injector, the second injector, freezer evaporator and gas-liquid separator;
The setting of connecting successively of the zone of heat liberation entrance of the outlet of described compressor, the zone of heat liberation of exhaust regenerator, condenser, air-breathing regenerator; The zone of heat liberation outlet of described air-breathing regenerator is divided into two-way;
One tunnel is connected with the entrance of described refrigerator evaporator after the first capillary, and the outlet of institute's refrigerator evaporator is connected with the nozzle entrance of the first injector after the cold fluid pass of described exhaust regenerator;
Another road is directly connected with the nozzle entrance of described the second injector; The outlet of described the second injector is connected by injection refrigerant inlet with the first injector;
The outlet of described the first injector is connected with the entrance of gas-liquid separator; The outlet of described gas-liquid separator is divided into saturated gaseous state refrigerant outlet and saturated liquid refrigerant outlet;
Described saturated gaseous state refrigerant outlet is connected with the entrance of compressor after the cold fluid pass of described air-breathing regenerator;
Described saturated liquid refrigerant outlet is connected with the entrance of freezer evaporator after the second capillary, and the outlet of described freezer evaporator is connected by injection refrigerant inlet with described the second injector.
The present invention is also with the feature of the cooling cycle system of double back heat integration synergy for two injections of two warm refrigerators:
The low-temp low-pressure gaseous refrigerant of described freezer evaporator outlet is carried out the high pressure sub-cooled liquid refrigerant injection of the zone of heat liberation outlet of Self inhaling regenerator in the second injector, mixes after supercharging becomes gas-liquid two-phase cold-producing medium and draw in the second injector;
The gas-liquid two-phase cold-producing medium of described the second injector outlet by the overheated gaseous refrigerant injection of the cold fluid pass outlet from exhaust regenerator, mixes after supercharging becomes gas-liquid two-phase cold-producing medium and enters gas-liquid separator in the first injector in the first injector.
The overheated gaseous refrigerant of HTHP of described compressor outlet enters exhaust regenerator by the zone of heat liberation entrance of exhaust regenerator, in exhaust regenerator, after heat release cooling, draws and enter condenser by the zone of heat liberation outlet of exhaust regenerator;
The saturated gaseous refrigerant of refrigerator evaporator outlet enters exhaust regenerator by the cold fluid pass entrance of exhaust regenerator, and in exhaust regenerator, heat absorption exports by the cold fluid pass of exhaust regenerator the nozzle entrance of drawing and enter the first injector after heating up.
The saturated liquid refrigerant of high pressure of condensator outlet enters air-breathing regenerator by the zone of heat liberation entrance of air-breathing regenerator, in air-breathing regenerator, after heat release cooling, is drawn by the zone of heat liberation outlet of air-breathing regenerator; The saturated gaseous refrigerant of the saturated gaseous state refrigerant outlet of gas-liquid separator enters air-breathing regenerator by the cold fluid pass entrance of air-breathing regenerator, and in air-breathing regenerator, compressor is drawn and entered to heat absorption by the cold fluid pass outlet of air-breathing regenerator after heating up.
Compared with the conventional injector synergy circulatory system, beneficial effect of the present invention is embodied in:
1, the present invention utilizes the dual jet of reasonable Arrangement fully to reclaim the expansion work of two-way cold-producing medium throttling process in refrigeration system, thereby significantly promotes the displacement that suction pressure of compressor reduces the power consumption of compressor in circulation and improves compressor; And utilize compressor air-discharging backheat mode to reclaim the available energy of high temperature refrigerant superheated vapor that compressor is discharged, further improve the refrigerating efficiency of boost effect and the circulatory system of injector; Can also realize refrigerating chamber and freezer evaporator simultaneously and maintain different evaporating temperatures and freeze simultaneously, thereby effectively improve the performance of two temperature Refrigeration Cycle of Refrigerator systems.
2, the present invention has effectively overcome the irreversible loss of capillary-compensated process, make full use of the available expansion work in the throttling process of cold-producing medium, by adopting additional injector to reclaim the demi-inflation merit of throttling process in traditional vapor compression type refrigerating system, the refrigeration performance of refrigeration system is improved, thereby realizes energy-saving and emission-reduction.
3, the present invention has fully excavated the huge recovery potentiality of the expansion work of cold-producing medium throttling process in two-storage temperature refrigerator refrigeration system, utilizes dual jet and reasonably arranges, strengthens the recovery of expansion work, further makes the refrigerating efficiency of cooling cycle system be improved.
4, the present invention adopts compressor air-discharging backheat and is combined with dual jet, further make the refrigeration performance of cooling cycle system be significantly improved, in traditional steam compressed refrigerating circulating system, the refrigerant superheat steam that compressor is discharged still has utilizable available energy because its temperature is higher, particularly under higher ambient temperature conditions, therefore, by two injections and double back heat integration synergy mode, maximally utilise the available energy in steam compressed refrigerating circulating system, reach better energy-saving effect, development to the two warm refrigerator product power-saving technologies of refrigerating has positive impetus.
5, the present invention can effectively improve two warm Refrigeration Cycle of Refrigerator systematic functions, advance the development of household electric refrigerator product power-saving technology, improve the energy-conservation and Environmental Protection Level of refrigerator, promote the leading position of China's refrigerator product in global refrigerator industry field of energy-saving technology, and promote refrigerator product competitiveness in the international market, and then produce huge economic benefit and positive social benefit.
Accompanying drawing explanation
Fig. 1 is cooling cycle system schematic diagram of the present invention;
Fig. 2 is exhaust regenerator schematic diagram of the present invention;
Fig. 3 is the air-breathing regenerator schematic diagram of the present invention;
Fig. 4 is the pressure-enthalpy diagram (p-h figure) of the cooling cycle system course of work of the present invention;
Number in the figure: 105 first capillaries; 111 second capillaries; 107 first injectors; 108 second injectors; 110 gas-liquid separators; The zone of heat liberation entrance of 112 exhaust regenerators; The zone of heat liberation outlet of 113 exhaust regenerators; The cold fluid pass entrance of 114 exhaust regenerators; The cold fluid pass outlet of 115 exhaust regenerators; The zone of heat liberation entrance of 116 air-breathing regenerators; The zone of heat liberation outlet of 117 air-breathing regenerators; The cold fluid pass entrance of 118 air-breathing regenerators; The cold fluid pass outlet of 119 air-breathing regenerators.
The specific embodiment
As shown in Figure 1, a kind of two injections for two temperature refrigerators comprise with the composition of the cooling cycle system of double back heat integration synergy: compressor, exhaust regenerator, condenser, air-breathing regenerator, the first capillary 105, the second capillary 111, refrigerator evaporator, the first injector 107, the second injector 108, freezer evaporator and gas-liquid separator 110;
The setting of connecting successively of the zone of heat liberation entrance of the outlet of compressor, the zone of heat liberation of exhaust regenerator, condenser, air-breathing regenerator; The zone of heat liberation outlet of air-breathing regenerator is divided into two-way;
One tunnel is connected with the entrance of refrigerator evaporator after the first capillary 105, and the outlet of institute's refrigerator evaporator is connected with the nozzle entrance of the first injector 107 after the cold fluid pass of exhaust regenerator;
Another road is directly connected with the nozzle entrance of the second injector 108; The outlet of the second injector 108 is connected by injection refrigerant inlet with the first injector 107;
The outlet of the first injector 107 is connected with the entrance of gas-liquid separator 110; The outlet of gas-liquid separator 110 is divided into saturated gaseous state refrigerant outlet and saturated liquid refrigerant outlet;
Saturated gaseous state refrigerant outlet is connected with the entrance of compressor after the cold fluid pass of air-breathing regenerator;
Saturated liquid refrigerant outlet is connected with the entrance of freezer evaporator after the second capillary 111, and the outlet of freezer evaporator is connected by injection refrigerant inlet with the second injector 108.
The saturated gaseous refrigerant of low-temp low-pressure of freezer evaporator outlet is carried out the high pressure sub-cooled liquid refrigerant injection of the zone of heat liberation outlet 117 of Self inhaling regenerator in the second injector 108, mixes after supercharging becomes gas-liquid two-phase cold-producing medium and draw in the second injector 108.The high pressure that carrys out the zone of heat liberation outlet 117 of Self inhaling regenerator in the second injector 108 is crossed cold gaseous refrigerant pressure and is greater than from the pressure of freezer evaporator saturated gaseous refrigerant out.
The gas-liquid two-phase cold-producing medium that the second injector 108 exports by the overheated gaseous refrigerant injection of the cold fluid pass outlet 115 from exhaust regenerator, mixes after supercharging becomes gas-liquid two-phase cold-producing medium and enters gas-liquid separator 110 in the first injector 107 in the first injector 107.Overheated gaseous refrigerant pressure from the cold fluid pass outlet 115 of exhaust regenerator in the first injector 107 is greater than from the pressure of the second injector 108 gas-liquid two-phase cold-producing medium out.
As shown in Figure 2, exhaust regenerator of the present invention is double pipe heat exchanger, the overheated gaseous refrigerant of HTHP of compressor outlet enters exhaust regenerator by the zone of heat liberation entrance 112 of exhaust regenerator, in exhaust regenerator, after heat release cooling, draws and enter condenser by the zone of heat liberation outlet 113 of exhaust regenerator;
The saturated gaseous refrigerant of refrigerator evaporator outlet enters exhaust regenerator by the cold fluid pass entrance 114 of exhaust regenerator, is drawn and entered the nozzle entrance of the first injector 107 in exhaust regenerator after heat absorption intensification by the cold fluid pass outlet 115 of exhaust regenerator.
As shown in Figure 3, the air-breathing regenerator of the present invention is double pipe heat exchanger, the saturated liquid refrigerant of high pressure of condensator outlet enters air-breathing regenerator by the zone of heat liberation entrance 116 of air-breathing regenerator, in air-breathing regenerator, after heat release cooling, is drawn by the zone of heat liberation outlet 117 of air-breathing regenerator; The saturated gaseous refrigerant of the saturated gaseous state refrigerant outlet of gas-liquid separator 110 enters air-breathing regenerator by the cold fluid pass entrance 118 of air-breathing regenerator, and in air-breathing regenerator, compressor is drawn and entered to heat absorption by the cold fluid pass outlet 119 of air-breathing regenerator after heating up.
As shown in Figure 4, cooling cycle system overall work process of the present invention is: in gas-liquid separator 110, isolated saturated gaseous refrigerant enters heat absorption intensification (11-1 process in figure) in air-breathing regenerator by the cold fluid pass entrance 118 of air-breathing regenerator becomes overheated gaseous refrigerant, after overheated gaseous refrigerant enters compressor, the compressed intensification of boosting becomes overheated gaseous refrigerant, (1-2 process in figure), the overheated gaseous refrigerant of HTHP of compressor outlet is entered in exhaust regenerator and is entered condenser after heat release cooling (2-3 process in figure) by the zone of heat liberation entrance 112 of exhaust regenerator, in condenser, further emit heat and become the saturated liquid refrigerant of high pressure (3-4 process in figure), the saturated liquid refrigerant of high pressure is entered in air-breathing regenerator after heat release cooling becomes high pressure sub-cooled liquid refrigerant (4-5 process in figure) and is divided into two-way by the zone of heat liberation entrance 116 of air-breathing regenerator, one road high pressure sub-cooled liquid refrigerant becomes high velocity, low pressure cold-producing medium (5-5 ' process in figure) when directly entering as the injection cold-producing medium of the second injector 108, in the nozzle of the second injector 108, the static energy of self is converted into kinetic energy, the saturated gaseous refrigerant of low-temp low-pressure of the second injector 108 jet expansion high velocity, low pressure cold-producing medium injection freezer evaporator outlets, and after mixing in the mixing chamber of the second injector 108 (5 ' (13)-14 ' process in figure), become gas-liquid two-phase cold-producing medium and drawn by the second injector 108 outlets through the diffuser supercharging (14 '-14 processes in figure) of the second injector 108, another road high pressure sub-cooled liquid refrigerant enters the first capillary 105 and carries out after throttling realizes step-down cooling (5-6 process in figure) entering refrigerator evaporator, in refrigerator evaporator, heat absorption evaporation realizes refrigeration object (6-7 process in figure), the saturated gaseous refrigerant of refrigerator evaporator outlet enters heat absorption intensification (7-8 process in figure) in exhaust regenerator by the cold fluid pass entrance 114 of exhaust regenerator becomes overheated gaseous refrigerant, this overheated gaseous refrigerant becomes high velocity, low pressure cold-producing medium (8-8 ' process in figure) when entering as the injection cold-producing medium of the first injector 107, in the nozzle of the first injector 107, the static energy of self is converted into kinetic energy, the gas-liquid two-phase cold-producing medium that high velocity, low pressure cold-producing medium injection second injector 108 of the first injector 107 jet expansions exports, and mixing (8 ' (14)-9 ' process in figure) becomes gas-liquid two-phase cold-producing medium by the diffuser supercharging (9 '-9 processes in figure) of the first injector 107 and is drawn by the first injector 107 outlets in the mixing chamber of the first injector 107, the gas-liquid two-phase cold-producing medium that the first injector 107 exports enters gas-liquid separator 110 and carries out gas-liquid separation (9-10 in figure (11) process), wherein the isolated saturated gaseous refrigerant of gas-liquid separator 110 enters air-breathing regenerator by the cold fluid pass entrance 118 of air-breathing regenerator, in air-breathing regenerator, heat absorption heats up after (11-1 process in figure) becomes overheated gaseous refrigerant and draws and enter compressor by the cold fluid pass outlet 119 of air-breathing regenerator, the isolated saturated liquid refrigerant of gas-liquid separator 110 enters freezer evaporator heat absorption evaporation after (10-12 process in figure) after by the second capillary 111 step-downs coolings and realizes refrigeration object (12-13 process in figure), the saturated gaseous refrigerant of low-temp low-pressure that freezer evaporator 109 exports is as entered the second injector 108 by injection cold-producing medium, more than complete whole cyclic process.
In whole system On The Cycle Working Process of the present invention, having five different operating pressures, is the condensing pressure of condenser, the evaporating pressure of refrigerator evaporator, pressure of inspiration(Pi), second outlet pressure of injector 108 and the evaporating pressure of freezer evaporator of compressor successively.Wherein the evaporating pressure of the condensing pressure of condenser, refrigerator evaporator and the evaporating pressure of freezer evaporator are determined by the work operating mode of the circulatory system, and this depends on again cryogenic temperature requirement and air ambient temperature; The pressure of inspiration(Pi) of compressor is determined by the conservation of mass, the conservation of momentum and energy conservation relation in the operating characteristic of the first injector 107, circulation; The outlet pressure of the second injector 108 is determined by the conservation of mass, the conservation of momentum and energy conservation relation in the operating characteristic of the second injector 108, circulation.
Claims (4)
1. the cooling cycle system for two injections with the double back heat integration synergy of two temperature refrigerators, it is characterized in that, its composition comprises: compressor, exhaust regenerator, condenser, air-breathing regenerator, the first capillary (105), the second capillary (111), refrigerator evaporator, the first injector (107), the second injector (108), freezer evaporator and gas-liquid separator (110);
The setting of connecting successively of the zone of heat liberation entrance of the outlet of described compressor, the zone of heat liberation of exhaust regenerator, condenser, air-breathing regenerator; The zone of heat liberation outlet of described air-breathing regenerator is divided into two-way;
One tunnel is connected with the entrance of described refrigerator evaporator after the first capillary (105), and the outlet of institute's refrigerator evaporator is connected with the nozzle entrance of the first injector (107) after the cold fluid pass of described exhaust regenerator;
Another road is directly connected with the nozzle entrance of described the second injector (108); The outlet of described the second injector (108) is connected by injection refrigerant inlet with the first injector (107);
The outlet of described the first injector (107) is connected with the entrance of gas-liquid separator (110); The outlet of described gas-liquid separator (110) is divided into saturated gaseous state refrigerant outlet and saturated liquid refrigerant outlet;
Described saturated gaseous state refrigerant outlet is connected with the entrance of compressor after the cold fluid pass of described air-breathing regenerator;
Described saturated liquid refrigerant outlet is connected with the entrance of freezer evaporator after the second capillary (111), and the outlet of described freezer evaporator is connected by injection refrigerant inlet with described the second injector (108).
2. the cooling cycle system of two injections with double back heat integration synergy for two temperature refrigerators according to claim 1, it is characterized in that: the low-temp low-pressure gaseous refrigerant of described freezer evaporator outlet is carried out the high pressure sub-cooled liquid refrigerant injection of the zone of heat liberation outlet of Self inhaling regenerator in the second injector (108), in the second injector (108), mix after supercharging becomes gas-liquid two-phase cold-producing medium and draw;
The gas-liquid two-phase cold-producing medium of described the second injector (108) outlet by the overheated gaseous refrigerant injection of the cold fluid pass outlet from exhaust regenerator, mixes after supercharging becomes gas-liquid two-phase cold-producing medium and enters gas-liquid separator (110) in the first injector (107) in the first injector (107).
3. the cooling cycle system of two injections with double back heat integration synergy for two temperature refrigerators according to claim 1, it is characterized in that: the overheated gaseous refrigerant of HTHP of described compressor outlet enters exhaust regenerator by the zone of heat liberation entrance of exhaust regenerator, in exhaust regenerator, after heat release cooling, draw and enter condenser by the zone of heat liberation outlet of exhaust regenerator;
The saturated gaseous refrigerant of refrigerator evaporator outlet enters exhaust regenerator by the cold fluid pass entrance of exhaust regenerator, and in exhaust regenerator, heat absorption exports by the cold fluid pass of exhaust regenerator the nozzle entrance of drawing and enter the first injector (107) after heating up.
4. the cooling cycle system of two injections with double back heat integration synergy for two temperature refrigerators according to claim 1, it is characterized in that: the saturated liquid refrigerant of high pressure of condensator outlet enters air-breathing regenerator by the zone of heat liberation entrance of air-breathing regenerator, in air-breathing regenerator, after heat release cooling, drawn by the zone of heat liberation outlet of air-breathing regenerator; The saturated gaseous refrigerant of the saturated gaseous state refrigerant outlet of gas-liquid separator (110) enters air-breathing regenerator by the cold fluid pass entrance of air-breathing regenerator, and in air-breathing regenerator, compressor is drawn and entered to heat absorption by the cold fluid pass outlet of air-breathing regenerator after heating up.
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| CN201410040517.3A CN103808101B (en) | 2014-01-27 | 2014-01-27 | A kind of two injection for two temperature refrigerator and the double back heat integration synergism refrigerating circulatory system |
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| CN201410040517.3A CN103808101B (en) | 2014-01-27 | 2014-01-27 | A kind of two injection for two temperature refrigerator and the double back heat integration synergism refrigerating circulatory system |
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| CN104676939B (en) * | 2015-02-25 | 2016-08-17 | 山东大学 | A kind of refrigerator car waste heat driven double evaporators ejector refrigeration system |
| CN108106047A (en) * | 2017-12-15 | 2018-06-01 | 山东大学 | CO with injector2Dual temperature refrigeration system, method and its application |
| CN108144818A (en) * | 2018-01-29 | 2018-06-12 | 同济大学 | A kind of lithium battery gravure coater drying system using multiple heat pump |
| CN108344195A (en) * | 2018-04-20 | 2018-07-31 | 天津商业大学 | Recycle the one machine dual temperature refrigeration system of two level injection of expansion work |
| CN108679878A (en) * | 2018-04-27 | 2018-10-19 | 西安交通大学 | Using the self-cascade refrigeration system system and refrigerating and circulating method of dual jet synergy |
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| CN104676939B (en) * | 2015-02-25 | 2016-08-17 | 山东大学 | A kind of refrigerator car waste heat driven double evaporators ejector refrigeration system |
| CN108106047A (en) * | 2017-12-15 | 2018-06-01 | 山东大学 | CO with injector2Dual temperature refrigeration system, method and its application |
| CN108106047B (en) * | 2017-12-15 | 2019-12-17 | 山东大学 | CO with ejector2dual temperature refrigeration system, method and application thereof |
| CN108144818A (en) * | 2018-01-29 | 2018-06-12 | 同济大学 | A kind of lithium battery gravure coater drying system using multiple heat pump |
| CN108344195A (en) * | 2018-04-20 | 2018-07-31 | 天津商业大学 | Recycle the one machine dual temperature refrigeration system of two level injection of expansion work |
| CN108679878A (en) * | 2018-04-27 | 2018-10-19 | 西安交通大学 | Using the self-cascade refrigeration system system and refrigerating and circulating method of dual jet synergy |
| CN108679878B (en) * | 2018-04-27 | 2020-04-10 | 西安交通大学 | Self-cascade refrigeration cycle system and refrigeration cycle method for increasing efficiency by adopting double ejectors |
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