CN105627608B - A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy - Google Patents
A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy Download PDFInfo
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- CN105627608B CN105627608B CN201610020605.6A CN201610020605A CN105627608B CN 105627608 B CN105627608 B CN 105627608B CN 201610020605 A CN201610020605 A CN 201610020605A CN 105627608 B CN105627608 B CN 105627608B
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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
- 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
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Abstract
A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy, compressor, condenser and the first gas-liquid separator are sequentially connected, and the outlet of the first gas-liquid separator is divided into two-way：The Working-fluid intaking of saturation refrigerant gas outlet connection gas gas blowout emitter all the way；Another way saturation refrigerant liquid outlet, first throttle mechanism and the second gas-liquid separator entrance are sequentially connected.The outlet of second gas-liquid separator is also classified into two-way：The entrance of saturation refrigerant liquid outlet connection second throttle body all the way；Another way saturation refrigerant gas outlet connects the driving fluid entrance of gas gas blowout emitter.The outlet of gas gas blowout emitter, evaporative condenser condensation side, the 3rd throttle mechanism and evaporator are sequentially connected, and the connection of evaporator outlet is divided into two kinds of situations：Second throttle body outlet first connects evaporative condenser evaporation side entrance, and evaporative condenser evaporation side outlet converges with evaporator outlet, eventually passes back to compressor, complete circulation again；Or evaporator outlet first converges with the outlet of the second throttle structure, then compressor is returned to by evaporative condenser evaporation side, complete circulation.
Description
Technical field
The invention belongs to refrigeration technology field, and in particular to a kind of Auto-cascade cycle steam compression type of gas-gas injector synergy
Cooling cycle system.
Background technology
Auto-cascading refrigeration system is that one kind can just be realized only by a compressor using the characteristic of non-azeotropic refrigerant
Multistage automatic cascade, obtain the refrigeration system of relatively low evaporating temperature.Relative to cascade refrigeration system, auto-cascading refrigeration system is only
There are a compressor and a set of circulation loop system, structure is relatively easy, easy to maintain, and cost is lower, so in recent years low
Warm field is got more and more applications.But the efficiency of auto-cascading refrigeration system is often than relatively low, and energy-saving and emission-reduction are more next
More turn into society main flow, so the efficiency for how improving auto-cascading refrigeration system also become its main development direction it
One.The separation process of the high low boiling component of primary coolant, the high low boiling of refrigerant are only existed in conventional auto-cascading refrigeration system
The separation of component is simultaneously insufficient.
The content of the invention
To solve defect and deficiency present in above-mentioned prior art, it is an object of the invention to provide a kind of spray of gas-gas
The Auto-cascade cycle steam compressed refrigerating circulating system of emitter synergy, the circulatory system by using additional gas-gas injector and
Gas-liquid separator can effectively improve refrigerant low boiling in evaporator come the secondary separation of the high low boiling component of refrigerant carried out
The ratio of point component, and then the evaporating pressure of system is improved, the work pressure ratio of compressor is reduced, so as to effectively improve the property of system
Energy.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas-gas injector synergy, including the compression being sequentially connected
Machine 101, the gas-liquid separator 103 of condenser 102 and first, the outlet of first gas-liquid separator 103 is divided into two-way：Satisfy all the way
The Working-fluid intaking of gas-gas injector 107 is connected with refrigerant gas outlet；Another way saturation refrigerant liquid outlet connects
The entrance of first throttle mechanism 104, the entrance of the second gas-liquid separator 105 of outlet connection of first throttle mechanism 104；Second gas
The outlet of liquid/gas separator 105 is also classified into two-way：The entrance of saturation refrigerant liquid outlet connection second throttle body 106 all the way；
The driving fluid entrance of another way saturation refrigerant gas outlet connection gas-gas injector 107；The outlet of gas-gas injector 107
The condensation side entrance of evaporative condenser 108 is connected, the condensation side outlet of evaporative condenser 108 connects the 3rd throttle mechanism 109
Entrance, the entrance of the outlet connection evaporator 110 of the 3rd throttle mechanism 109；The outlet of evaporator 110, throttle mechanism 106 go out
The connected mode of mouth is in two kinds of situation：The first situation, the outlet first steaming with evaporative condenser 108 of second throttle body 106
Hair side entrance is connected, and the outlet of the evaporation side outlet of evaporative condenser 108 again with evaporator 110 converges, and finally connection is compressed
The entrance of machine 101, complete circulation；Second of situation, the first outlet with evaporator 110 in outlet of second throttle body 106 converge,
Reconnect and be finally connected to compressor in the evaporation side entrance of evaporative condenser 108, the evaporation side outlet of evaporative condenser 108
101 entrance, complete circulation.
The high low boiling of refrigerant is carried out using the additional gas-liquid separator 105 of gas-gas injector 107 and second in the system
The secondary separation of component, improve the ratio for entering refrigerant low boiling component in evaporator.
The saturation refrigerant gas of high pressure from the first liquid/gas separator of gas 103 sprays as working fluid into gas-gas
The Working-fluid intaking of device 107, and injection comes from the refrigerant gas of the saturation of the low pressure of the second gas-liquid separator 105 outlet
Into the driving fluid entrance of gas-gas injector 107, two fluids is mixed and is pressurized in gas-gas injector 107, Ran Houjin
Enter and condensed in evaporative condenser 108.
Compared to the Auto-cascade cycle steam compressed refrigerating circulating system of routine, by the present invention in that with gas-gas injector 107
The secondary separation of the high low boiling component of refrigerant is carried out with the second gas-liquid separator 105, improves refrigerant low boiling in evaporator
The ratio of point component, and then the evaporating pressure of system is improved, the work pressure ratio of compressor is reduced, reaches and improves refrigeration system efficiency
Purpose.Gas-gas emitter construction used in the system is simple, cost is cheap, movement-less part simultaneously.In a word, the system
It is a kind of economic, effective, feasible improving countermeasure, the performance of Auto-cascade cycle steam compressed refrigerating circulating system can be effectively improved,
Promote the development of Auto-cascade cycle steam compressed refrigerating circulating system power-saving technology.
Brief description of the drawings
Fig. 1 is a kind of Auto-cascade cycle steam compressed refrigerating circulating system embodiment of gas-gas injector synergy of the present invention
One schematic diagram.
Fig. 2 is a kind of Auto-cascade cycle steam compressed refrigerating circulating system embodiment of gas-gas injector synergy of the present invention
Two schematic diagrames.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, the present invention is a kind of Auto-cascade cycle steam compression type refrigerating circulation of gas-gas injector synergy
System, including compressor 101, the gas-liquid separator 103 of condenser 102 and first being sequentially connected, first gas-liquid separator
103 outlet is divided into two-way：The Working-fluid intaking of saturation refrigerant gas outlet connection gas-gas injector 107 all the way；It is another
The entrance of road saturation refrigerant liquid outlet connection first throttle mechanism 104, the outlet of first throttle mechanism 104 connect the second gas
The entrance of liquid/gas separator 105.The outlet of second gas-liquid separator 105 is also classified into two-way：Saturation refrigerant liquid outlet connects all the way
Connect the entrance of second throttle body 106；The driving fluid of another way saturation refrigerant gas outlet connection gas-gas injector 107
Entrance.The condensation side entrance of the outlet connection evaporative condenser 108 of gas-gas injector 107, the condensation side of evaporative condenser 108
The entrance of the 3rd throttle mechanism 109 of outlet connection, the entrance of the outlet connection evaporator 110 of the 3rd throttle mechanism 109.Evaporator
110 outlet, the connected mode of the outlet of throttle mechanism 106 are divided to two kinds of embodiments：Embodiment one (as shown in Figure 1), the
The outlet of two throttle mechanisms 106 is first connected with the evaporation side entrance of evaporative condenser 108, the evaporation side of evaporative condenser 108
Export the outlet again with evaporator 110 to converge, finally connect the entrance of compressor 101, complete circulation；(such as Fig. 2 of embodiment two
It is shown), the first outlet with evaporator 110 in outlet of second throttle body 106 converges, and reconnects in the steaming of evaporative condenser 108
Side entrance is sent out, the evaporation side outlet of evaporative condenser 108 completes circulation finally in the entrance of connection compressor 101.
A kind of as shown in figure 1, work of the Auto-cascade cycle steam compressed refrigerating circulating system of gas-gas injector synergy of the present invention
It is as process：The superheated refrigerant steam (in figure at 2 points) that compressor 101 exports, which enters the partial condensation of condenser 102, to be turned into
Two phase refrigerant fluid (in figure at 3 points), the two phase refrigerant fluid is divided into two-way in the first gas-liquid separator 103：All the way
The saturation refrigerant gas (in figure at 4 points) of high pressure enters the Working-fluid intaking of injector 107 as working fluid；Another way
Saturation refrigerant liquid (in figure at 5 points), which enters the throttling of first throttle mechanism 104, turns into two phase refrigerant fluid (6 points in figure
Place).The two phase refrigerant fluid continues to divide two-way in the second gas-liquid separator 105：Saturation refrigerant liquid is (8 in figure all the way
Point place) enter second throttle body 106 in throttle turn into two phase refrigerant fluid (in figure at 9 points)；The saturation of another way low pressure
Refrigerant gas (in figure at 7 points) enters the driving fluid entrance of injector 107 as driving fluid, and two fluids is in injector
Mix and be pressurized in 107, the refrigerant fluid after mixing and being pressurized condenses (in figure at 11 points) in evaporative condenser 108 to be turned into
Saturation or supercooling refrigerant liquid (in figure at 12 points), the saturation or supercooling refrigerant liquid enter the 3rd throttle mechanism
Throttling turns into two phase refrigerant fluid (in figure at 13 points) in 109, turns into saturation or overheat subsequently into evaporation in evaporator 110
Refrigerant gas (in figure at 14 points), carry out the refrigerant flow direction point that flash-pot 110 exports and second throttle body 106 exports
For two kinds of embodiments：Embodiment one, the two-phase refrigerant flow exported from second throttle body 106 are known from experience first cold in evaporation
Evaporation turns into saturation or superheated vapor (in Fig. 1 at 10 points) in condenser 108, then the overheat or full exported with evaporator 110
Saturation or superheated refrigerant steam (in Fig. 1 at 1 point) are merged into as with refrigerant vapour, compressor is eventually passed back to, completes to follow
Ring；Embodiment two, the two-phase refrigerant flow exported from second throttle body 106 know from experience the mistake first exported with evaporator 110
Heat or saturation refrigerant vapour are merged into as two phase refrigerant fluid (in Fig. 2 at 10 points), then are steamed in evaporative condenser 108
Hair turns into saturation or superheated refrigerant steam (in Fig. 2 at 1 point), eventually passes back to compressor, completes circulation.
Claims (3)
1. a kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas-gas injector synergy, including the compressor being sequentially connected
(101), condenser (102) and the first gas-liquid separator (103), the outlet of first gas-liquid separator (103) are divided into two-way：
The Working-fluid intaking of saturation refrigerant gas outlet connection gas-gas injector (107) all the way；Another way saturation refrigerant liquid
The entrance of outlet connection first throttle mechanism (104), the outlet of first throttle mechanism (104) connect the second gas-liquid separator
(105) entrance；The outlet of second gas-liquid separator (105) is also classified into two-way：Saturation refrigerant liquid outlet connection all the way
The entrance of two throttle mechanisms (106)；The driving fluid of another way saturation refrigerant gas outlet connection gas-gas injector (107)
Entrance；The condensation side entrance of the outlet connection evaporative condenser (108) of gas-gas injector (107), evaporative condenser (108)
Condense the entrance that side outlet connects the 3rd throttle mechanism (109), the outlet connection evaporator (110) of the 3rd throttle mechanism (109)
Entrance；The outlet of evaporator (110), the outlet of second throttle body (106) connected mode in two kinds of situation：The first feelings
Condition, the outlet of second throttle body (106) are first connected with the evaporation side entrance of evaporative condenser (108), evaporative condenser
(108) outlet of the evaporation side outlet again with evaporator (110) converges, and finally connects the entrance of compressor (101), completes to follow
Ring；Second of situation, the first outlet with evaporator (110) in outlet of second throttle body (106) converge, and reconnect cold in evaporating
The evaporation side entrance of condenser (108), the evaporation side outlet of evaporative condenser (108) finally connects the entrance of compressor (101), complete
Into circulation.
2. the Auto-cascade cycle steam compressed refrigerating circulating system of gas-gas injector synergy according to claim 1, its feature
It is：The high low boiling of refrigerant is carried out using additional gas-gas injector (107) and additional the second gas-liquid separator (105)
The secondary separation of component, improve the ratio of refrigerant low boiling component in evaporator.
3. the Auto-cascade cycle steam compressed refrigerating circulating system of gas-gas injector synergy according to claim 1 or 2, its
It is characterised by：The saturation refrigerant gas of high pressure from the first gas-liquid separator (103) sprays as working fluid into gas-gas
The Working-fluid intaking of emitter (107), and injection comes from the saturation refrigerant of the low pressure of the second gas-liquid separator (105) outlet
Gas enters the driving fluid entrance of gas-gas injector (107), and two fluids is mixed and increased in gas-gas injector (107)
Pressure, condensed subsequently into evaporative condenser (108).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610020605.6A CN105627608B (en) | 2016-01-13 | 2016-01-13 | A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy |
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| CN201610020605.6A CN105627608B (en) | 2016-01-13 | 2016-01-13 | A kind of Auto-cascade cycle steam compressed refrigerating circulating system of gas gas blowout emitter synergy |
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| CN105627608A CN105627608A (en) | 2016-06-01 |
| CN105627608B true CN105627608B (en) | 2017-11-28 |
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| CN107975960B (en) * | 2017-11-07 | 2019-05-21 | 西安交通大学 | A kind of absorption system and control method of 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 |
| CN108007012B (en) * | 2017-11-29 | 2019-06-21 | 浙江海洋大学 | A kind of multi-stage temperature refrigerator refrigerating plant and its refrigerating method using jet pump |
| CN109307377B (en) * | 2018-09-20 | 2020-05-26 | 西安交通大学 | Two-stage self-cascade refrigeration cycle system and circulation method adopting ejector to increase efficiency |
| BE1026652B1 (en) * | 2018-09-25 | 2020-04-28 | Atlas Copco Airpower Nv | Oil-injected multi-stage compressor device and method for controlling such a compressor device |
| MX2021005190A (en) * | 2018-11-06 | 2021-07-15 | Evapco Inc | Direct expansion evaporator with vapor ejector capacity boost. |
| CN109737623A (en) * | 2018-12-25 | 2019-05-10 | 西安交通大学 | A kind of Novel synergistic low temperature auto-cascading refrigeration system and the course of work |
| CN113654262B (en) * | 2021-08-31 | 2022-06-21 | 嵊州市浙江工业大学创新研究院 | Low-grade heat-driven refrigerating system for large-scale freezer |
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| EP2596303B1 (en) * | 2010-07-23 | 2016-10-26 | Carrier Corporation | High efficiency ejector cycle |
| CN103776189B (en) * | 2014-01-18 | 2016-02-24 | 西安交通大学 | Tonifying Qi for the band injector of heat pump assembly increases enthalpy type heat pump circulating system |
| CN103822392A (en) * | 2014-03-02 | 2014-05-28 | 上海海洋大学 | Marine energy-saving auto-cascade refrigeration system |
| CN204373252U (en) * | 2014-12-09 | 2015-06-03 | 天津城建大学 | Change type CO2 trans critical cycle refrigeration system |
| CN104501481A (en) * | 2014-12-18 | 2015-04-08 | 天津商业大学 | CO2 double-throttling injection refrigerating system |
| CN104792054A (en) * | 2015-04-03 | 2015-07-22 | 西安交通大学 | Ejector enhanced auto-cascade steam compressing type refrigeration cycle system |
| CN104848574B (en) * | 2015-05-13 | 2017-08-25 | 西安交通大学 | A kind of fractional condensation type Vapor Compression Refrigeration Cycle system of injector synergy |
| CN104864622A (en) * | 2015-05-25 | 2015-08-26 | 青岛海尔特种电冰柜有限公司 | Auto-cascade steam compression type refrigeration cycle system |
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Inventor after: Yu Jianlin Inventor after: Liu Ye Inventor after: Chen Jiaheng Inventor after: Yan Gang Inventor before: Yu Jianlin Inventor before: Liu Ye Inventor before: Chen Jiaheng Inventor before: Yan Gang |
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