CN110296543A - A kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection - Google Patents
A kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection Download PDFInfo
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- CN110296543A CN110296543A CN201910704010.6A CN201910704010A CN110296543A CN 110296543 A CN110296543 A CN 110296543A CN 201910704010 A CN201910704010 A CN 201910704010A CN 110296543 A CN110296543 A CN 110296543A
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- condenser
- evaporator
- refrigeration
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- 239000007788 liquid Substances 0.000 title claims abstract description 75
- 238000005057 refrigeration Methods 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 title claims abstract description 25
- 239000007924 injection Substances 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 title claims abstract description 23
- 238000001704 evaporation Methods 0.000 claims abstract description 37
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 238000009833 condensation Methods 0.000 claims abstract description 28
- 230000005494 condensation Effects 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 21
- 238000010025 steaming Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000012071 phase Substances 0.000 description 42
- 239000007791 liquid phase Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 9
- 238000009835 boiling Methods 0.000 description 8
- 239000000306 component Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000013526 supercooled liquid Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000012533 medium component Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
Abstract
This application discloses the refrigeration or heat pump system of a kind of gas-liquid separation heat exchanging of band injection, including compressor, condenser, injector, regenerator, restricting element and evaporator；Compressor, condenser, regenerator, restricting element and evaporator are sequentially connected composition heat-exchanging loop；The bottom of single condensation tube side above condenser is provided with condensate liquid collecting box；Liquid suction pipe is connected on condensate liquid collecting box；Gas-phase working medium collecting tank is provided at the top of single evaporation tube side below evaporator；Exhaust tube is connected on gas-phase working medium collecting tank；The connection of the Working-fluid intaking of liquid suction pipe and injector；The connection of the air inlet of exhaust tube and injector；The operative fluid outlet of injector is connected by the gas supplementing opening of regenerator and compressor.Above system adjusts the component of working medium in thermodynamic cycle, to improve the exchange capability of heat of condenser and evaporator, solves the problems, such as existing refrigeration or heat pump system efficiency is low, energy consumption is high by extracting saturation working medium.
Description
Technical field
This application involves the refrigeration or heat pump system of technical field of heat exchange more particularly to a kind of gas-liquid separation heat exchanging of band injection
System.
Background technique
Heat transfer technology is increasingly mature, and heat pump is consistent with the working principle of both refrigeration systems, by taking refrigeration system as an example, generally
It is made of four parts: compressor, condenser, restricting element, evaporator.Its course of work are as follows: the liquid refrigerant of low-temp low-pressure
(such as freon), first evaporator (such as air conditioner indoor unit) it is inner from high temperature heat source (such as normal temperature air) absorb heat and gasify
At low-pressure steam.Then refrigerant gas is compressed into the steam of high temperature and pressure in compressor, which is condensing
Highly pressurised liquid is condensed by low-temperature heat source (such as cooling water) cooling in device.Again through restricting element (capillary, heating power expansion valve,
Electric expansion valve etc.) throttling is at low-temp low-pressure liquid refrigerant, so with regard to completing a refrigeration cycle.However existing condenser
It is still not high with the exchange capability of heat of evaporator, energy consumption height low so as to cause entire refrigeration or heat pump system efficiency.
Therefore, how to improve the exchange capability of heat of condenser and evaporator, solve existing refrigeration or heat pump system efficiency is low, energy
High problem is consumed, is the research direction of those skilled in the art.
Summary of the invention
The refrigeration or heat pump system of a kind of gas-liquid separation heat exchanging for being designed to provide band injection of the application, solve existing
Refrigeration or the problem that heat pump system efficiency is low, energy consumption is high.
In view of this, being filled non-this application provides the refrigeration or heat pump system of a kind of gas-liquid separation heat exchanging of band injection
Azeotropic mixed working medium, including compressor, condenser, injector, regenerator, restricting element and evaporator；
The compressor, the condenser, the regenerator, the restricting element and the evaporator are sequentially connected composition
Heat-exchanging loop；
The bottom of single-unit condenser pipe of the condenser above condenser coil is provided with condensate liquid collecting box；
Liquid suction pipe is connected on the condensate liquid collecting box；
The evaporator is provided with gas-phase working medium collecting tank at the top of the single-unit evaporation tube below evaporation coil；
Exhaust tube is connected on the gas-phase working medium collecting tank；
The liquid suction pipe is connect with the Working-fluid intaking of the injector；
The exhaust tube is connect with the air inlet of the injector；
The injector operative fluid outlet is connect by the regenerator with the gas supplementing opening of the compressor.
Optionally, the condensate liquid collecting box is specially to condense header；
The condensation header connects the adjacent single-unit condenser pipe, and by condensation partition that the adjacent single-unit is cold
Solidifying pipe separates；
The liquid suction pipe is set to the top of the condensation partition.
Optionally, weeper is provided on the condensation partition.
Optionally, the gas-phase working medium collecting tank is specially evaporator header；
The evaporator header connects the adjacent single-unit evaporation tube, and by evaporating partition for the adjacent single-unit
Evaporation tube separates；
The exhaust tube is set to the lower section of the evaporation partition.
Optionally, the restricting element is specially expansion valve.
Compared with prior art, it is the advantages of the embodiment of the present application:
In the embodiment of the present application, the refrigeration or heat pump system of a kind of gas-liquid separation heat exchanging of band injection, including pressure are provided
Contracting machine, condenser, injector, regenerator, restricting element and evaporator；Compressor, condenser, regenerator, restricting element and steaming
Hair device is sequentially connected composition heat-exchanging loop；The bottom of single-unit condenser pipe of the condenser above condenser coil is provided with condensate liquid
Collecting box；Liquid suction pipe is connected on condensate liquid collecting box；Evaporator is set at the top of the single-unit evaporation tube below evaporation coil
It is equipped with gas-phase working medium collecting tank；Exhaust tube is connected on gas-phase working medium collecting tank；The Working-fluid intaking of liquid suction pipe and injector
Connection；The connection of the air inlet of exhaust tube and injector；Injector operative fluid outlet passes through the gas supplementing opening of regenerator and compressor
Connection.
Above-mentioned refrigeration or heat pump system are extracted using liquid suction pipe and exhaust tube and are satisfied by using non-azeotropic mixed working medium
And working medium, the component of working medium in thermodynamic cycle is adjusted, the physical parameter of working medium is changed, to improve condenser and evaporator
Exchange capability of heat: detaching saturation liquid phase working fluid by condenser, improves the mass dryness fraction of remaining working medium in condenser, so that condensation
The thickness of liquid film of heat exchange surface is thinned in the process, improves the exchange capability of heat of condenser；Saturation gas phase work is detached by evaporator
Matter, so that the mass dryness fraction of remaining working medium reduces in evaporator, so that working medium be made more sufficiently to connect with the heat exchange surface in evaporation process
Touching, improves the exchange capability of heat of evaporator；In addition, increasing pressure using the saturation gas-phase working medium in injector injection evaporator
The air compensation of contracting machine intergrade effectively further solves air-source refrigeration or heat pump system heating capacity in low ambient temperature
The problem of decaying.
Therefore, refrigeration or heat pump system provided by the embodiment of the present application improve the heat-energy transducer of condenser and evaporator
Power solves the problems, such as refrigeration or heat pump system efficiency is low, energy consumption is high, economical, effective, feasible, can effectively improve refrigeration (heat
Pump) circulator system performance, promote refrigeration (heat pump) product power-saving technology development.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the refrigeration of gas-liquid separation heat exchanging or the structure of heat pump system with injection provided by the embodiment of the present application are shown
It is intended to；
Fig. 2 is the refrigeration of the gas-liquid separation heat exchanging with injection provided by the embodiment of the present application or the condenser of heat pump system
Partial structural diagram；
Fig. 3 is the refrigeration of the gas-liquid separation heat exchanging with injection provided by the embodiment of the present application or the evaporator of heat pump system
Partial structural diagram；
Fig. 4 be the embodiment of the present application provided by band spray gas-liquid separation heat exchanging refrigeration or heat pump system it is worked
The circulation pressure-enthalpy chart of journey；
Fig. 5 is that one kind of the refrigeration or heat pump system with the gas-liquid separation heat exchanging sprayed provided by the embodiment of the present application is cold
The overall structure diagram of condenser.
Label: compressor 101, condenser 102, injector 103, regenerator 104, restricting element 105, evaporator 106, cold
Solidifying header 11, condensation partition 12, liquid suction pipe 13, weeper 14, evaporator header 21, evaporation partition 22, exhaust tube 23.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in this application can be understood with concrete condition.
It please refers to Fig.1 to Fig.3, the embodiment of the present application devises the refrigeration or heat pump of a kind of gas-liquid separation heat exchanging of band injection
System, the refrigerant of filling are non-azeotropic mixed working medium, including compressor 101, condenser 102, injector 103, regenerator
104, restricting element 105 and evaporator 106.Restricting element is specifically as follows capillary, heating power expansion valve, electric expansion valve etc.；
Condenser 102 is specially liquid separation condenser；Evaporator 106 is specially gas-liquid separated evaporator.
Compressor 101, condenser 102, regenerator 104, restricting element 105 and evaporator 106 are according to the flowing side of working medium
To being sequentially connected, heat-exchanging loop is constituted.Wherein, it should be noted that regenerator 104 includes two working medium passages, two working medium
Working medium in channel carries out heat exchange, plays the role of refrigeration or heating to the working medium in another channel respectively.
The bottom of single condensation tube side of the condenser 102 above condenser coil is provided with condensate liquid collecting box.It can be with
Understand, condenser 102 is internally provided with condenser coil, and single condensation tube side is condenser referring specifically to Fig. 5, Fig. 5
Structural schematic diagram has 7 condenser pipes in the upper area of condenser coil from top to bottom above first partition, refrigerant is logical
It crosses 7 condenser pipes and flows to left side from the entrance on right side simultaneously, then the first stroke that 7 condenser pipes are constituted is exactly a condenser pipe
Journey；5 condenser pipes are spaced between first partition and second partition, then the second stroke that 5 condenser pipes are constituted is also one
A condensation tube side, and so on.It is further to note that high temperature and pressure gas-phase working medium is flowed into from the top of condenser coil, warp
Become liquid phase working fluid after crossing condensation, then is flowed out from the bottom of condenser coil, therefore the liquid phase of the upper partial condensation in condenser coil
The liquid phase working fluid of saturation should belong to due to also incomplete heat release in working medium, the gas phase work entered compared to 104 air inlet of condenser
For matter, the accounting for being saturated higher boiling working medium in liquid phase working fluid is high, and the accounting of low boiling working fluid is low.Condensate liquid collecting box is set to
The bottom of single condensation tube side above condenser coil, and it is connected with liquid suction pipe 13, therefore the liquid that liquid suction pipe 13 extracts is height
The low saturation liquid phase working fluid of the accounting of the high and low boiling point working medium of the accounting of boiling point working medium.
Evaporator 106 is provided with gas-phase working medium collecting tank at the top of the single evaporation tube side below evaporation coil.With
Condenser 102 is similar, is also equipped with evaporation coil inside evaporator 106, and the single tube side that evaporates is what heat transferring medium simultaneously flowed through
Several evaporation tubes.In evaporator 106, supercooled liquid phase working medium is flowed into from the bottom of evaporation coil, is formed by heat absorption evaporation
It after gas-phase working medium, is flowed out from top, therefore in the gas-phase working medium of the lower part of evaporation coil evaporation due to not heat absorption completely, it should
The gas-phase working medium for belonging to saturation, compared to 106 inlet of evaporator enter liquid phase working fluid for, be saturated gas-phase working medium in low boiling
The accounting of point working medium is high, and the accounting of higher boiling working medium is low.Gas-phase working medium collecting tank is set to the single evaporation below evaporation coil
The top of tube side, and it is connected with exhaust tube 23, therefore the gas that exhaust tube 23 extracts is high for the accounting of low boiling working fluid, higher boiling
The low saturation gas-phase working medium of the accounting of working medium.
Liquid suction pipe 13 is connect with the Working-fluid intaking of injector 103, and the air inlet of exhaust tube 23 and injector 103 connects
It connects.The pressure for being saturated liquid phase working fluid is greater than saturation gas-phase working medium, and saturation gas-phase working medium is saturated liquid phase working fluid in injector 103
Injection forms high-speed gas-liquid two-phase working substance, and the intermediate fill gas mouth of compressor 101 is entered after regenerator 104 further heating.
Regenerator 104 share 2 entrances and 2 outlet, in Fig. 1, from condenser 102 export supercooled liquid phase working medium from
104 upper inlet of regenerator is flowed into and is flowed out from 104 lower exit port of regenerator；Injector 103 export gas-liquid two-phase working medium from
104 left entrance of regenerator, which is flowed into and exported from 104 right of regenerator, to flow out.Two bursts of working medium carry out heat in regenerator 104
Exchange: the supercooled liquid phase working medium that condenser 104 exports further is subcooled after regenerator 104 is cooling, increases evaporator
106 refrigerating capacity；The gas-liquid two-phase working medium that injector 103 exports simultaneously reaches full after regenerator 104 further heating
And state, it prevents liquid phase working fluid from entering compressor intermediate fill gas mouth damage compressor and shortens the compressor service life.
Refrigeration or heat pump system provided by the embodiment of the present application, including compressor 101, condenser 102, injector 103,
Regenerator 104, restricting element 105 and evaporator 106；Compressor 101, condenser 102, regenerator 205,105 and of restricting element
Evaporator 106 is sequentially connected composition heat-exchanging loop；The bottom of single condensation tube side of the condenser above condenser coil is arranged
There is condensate liquid collecting box；Liquid suction pipe 13 is connected on condensate liquid collecting box；Single evaporation of the evaporator below evaporation coil
Gas-phase working medium collecting tank is provided at the top of tube side；Exhaust tube 23 is connected on gas-phase working medium collecting tank；Liquid suction pipe 13 and injection
The Working-fluid intaking of device connects；Exhaust tube 23 is connect with the air inlet of injector；Injector operative fluid outlet passes through backheat
Device is connect with the gas supplementing opening of compressor 101.
Above-mentioned refrigeration or heat pump system are taken out by using non-azeotropic mixed working medium, while using liquid suction pipe 13 and exhaust tube 23
Saturation working medium is taken, the component of working medium in thermodynamic cycle is adjusted, the physical parameter of working medium is changed, to improve 102 He of condenser
The exchange capability of heat of evaporator 106: condenser 102 makes the mass dryness fraction of remaining working medium in condenser 102 by separation saturation liquid phase working fluid
It improves, so that the thickness of liquid film of heat exchange surface is thinned in condensation process, improves the exchange capability of heat of condenser 102；Evaporation
Device 106 is by separation saturation gas-phase working medium, so that the mass dryness fraction of remaining working medium reduces in evaporator 106, to make working medium and evaporation
Heat exchange surface in the process more comes into full contact with, and improves the exchange capability of heat of evaporator 106；In addition, utilizing 103 injection of injector
Saturation gas-phase working medium in evaporator 106, increases the air compensation of 103 intergrade of compressor, effectively further solves air
Source refrigeration or heat pump system in low ambient temperature heating capacity decay the problem of.
Therefore, refrigeration or heat pump system provided by the embodiment of the present application improve changing for condenser 102 and evaporator 106
Thermal energy power solves the problems, such as refrigeration or heat pump system efficiency is low, energy consumption is high, economical, effective, feasible, can effectively improve refrigeration
The performance of (heat pump) circulator system promotes the development of refrigeration (heat pump) product power-saving technology.
Optionally, condensate liquid collecting box is specially to condense header 11.Header 11 is condensed by neighbouring single condenser pipe
Journey connects, and is separated adjacent single condensation tube side by condensation partition 12.Liquid suction pipe is set to condensation partition 12
Top.As shown in figure 5, condensation header can be set in the both ends of condenser, adjacent single condensation tube side is separated.Into
One step, it condenses and is provided with weeper 14 on partition.It is understood that the pore size of reasonable weeper 14, Neng Gougai
Become the flow for the saturation liquid phase working fluid that liquid suction pipe 13 is extracted out, moreover it is possible to convenient for the recycling of surplus liquid.
Optionally, gas-phase working medium collecting tank is specially evaporator header 21.Evaporator header 21 will be neighbouring single
Evaporation tube side connects, and is separated adjacent single evaporation tube side by evaporation partition 22.Exhaust tube 23 is set to steaming
Send out the lower section of partition 22.
Refrigeration or heat pump system provided by above-described embodiment are by rationally designing the weeper 14 on condensation partition 12
The pipe diameter size of pore size and liquid suction pipe 13, the component and flow of adjustable saturation liquid phase working fluid, so that liquid separation be made to condense
The component of remaining working medium changes in device 102, changes its physical parameter, and promote working medium mass dryness fraction.It is reasonable that condenser 102 passes through
It adjusts working medium component and improves working medium mass dryness fraction, compared with conventional condenser, there is better exchange capability of heat.It is taken out by rationally designing
The pipe diameter size of tracheae 23, can be saturated the component and flow of gas-phase working medium, to make the component of remaining working medium in evaporator 106
It changes and changes its physical parameter, and reduce working medium mass dryness fraction, by rationally adjusting working medium component and reducing working medium mass dryness fraction, with
Common evaporator is compared, and has better exchange capability of heat.
Fig. 4 is following for refrigeration or the course of work of heat pump system provided by the embodiment of the present application referring to FIG. 1 to FIG. 4,
Ring pressure-enthalpy chart.A kind of component of the corresponding working medium of every pressure-enthalpy chart (p-h figure), the refrigeration or the heat pump system course of work of signal
Are as follows:
The high temperature and pressure superheated vapor phase working medium (in figure at 2 points) that compressor 101 exports is released heat in condenser 102 and is realized
It is divided into two bursts of working medium after heating purpose, one is the saturation liquid phase working fluid (from 3 ' in figure) gone out from liquid suction pipe 13, and another stock exists
Continue to condense in condenser 102, what is finally exported away from condenser 102 becomes high pressure supercooled liquid phase working medium (in figure from 3 points).
Saturation liquid phase working fluid enters the nozzle of injector 103 as working fluid, becomes low-voltage high speed gas-liquid two after expanding in nozzle
Phase working medium (in figure at 3 " points)；Saturation gas-phase working medium (the figure that low-voltage high speed gas-liquid two-phase working medium ' injection is flowed out from evaporator 106
In at 6 points), the diffuser pressurization through injector 103 becomes again (in figure at 3a point) after mixing in the mixing chamber of injector 103
Gas-liquid two-phase working medium (in figure at 4 ' points) is discharged afterwards；Gas-liquid two-phase working medium, which passes through again after regenerator 104 heats, returns to compressor 101
Intermediate fill gas mouth (in figure at 4 " points)；The supercooled liquid phase working medium that condenser 102 exports further is subcooled by regenerator 104
(in figure at 4 points)；Supercooled liquid phase working medium is being steamed by entering evaporator 106 (in figure at 5 points) after the decompression cooling of throttle valve 105
Saturation gas-phase working medium (in figure at 6 points) is evaporated after a part of working medium in hair device 106 as by injection working medium enters injector 103
Injection entrance, and remaining gas-liquid two-phase working medium continues heat absorption in evaporator 106 and evaporates as superheated vapor phase working medium (1 in figure
At point)；The superheated vapor phase working medium that gas-liquid separated evaporator 106 exports enters 101 low pressure suction port of compressor, and the above completion is whole
A cyclic process.
Exist in the whole system On The Cycle Working Process of the application there are three different operating pressures, is successively liquid separation condensation
102 condensing pressure of device, 101 second vapor injection pressure of compressor and 106 evaporating pressure of evaporator.Wherein 102 condensing pressure of condenser
It is that (i.e. a condensation temperature and an evaporation temperature are determined by the work operating condition of the circulatory system with 106 evaporating pressure of evaporator
Degree), this depends on (refrigeration) heating temperature requirement and air environment temperature again；101 second vapor injection pressure of compressor is design work
Condition parameter can be chosen according to condensing pressure and evaporating pressure.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection, which is characterized in that filling non-azeotropic mixed working medium,
Including compressor, condenser, injector, regenerator, restricting element and evaporator；
The compressor, the condenser, the regenerator, the restricting element and the evaporator are sequentially connected composition heat exchange
Circuit；
The bottom of single condensation tube side of the condenser above condenser coil is provided with condensate liquid collecting box；
Liquid suction pipe is connected on the condensate liquid collecting box；
The evaporator is provided with gas-phase working medium collecting tank at the top of the single evaporation tube side below evaporation coil；
Exhaust tube is connected on the gas-phase working medium collecting tank；
The liquid suction pipe is connect with the Working-fluid intaking of the injector；
The exhaust tube is connect with the air inlet of the injector；
The operative fluid outlet of the injector is connect by the regenerator with the gas supplementing opening of the compressor.
2. the refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection according to claim 1, which is characterized in that described
Condensate liquid collecting box is specially to condense header；
The condensation header connects the adjacent single condensation tube side, and by condensing partition for the adjacent single condensation
Tube side separates；
The liquid suction pipe is set to the top of the condensation partition.
3. according to claim 2 with injection gas-liquid separation heat exchanging refrigeration or heat pump system, which is characterized in that it is described cold
Weeper is provided on solidifying partition.
4. the refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection according to claim 1, which is characterized in that described
Gas-phase working medium collecting tank is specially evaporator header；
The evaporator header connects the adjacent single evaporation tube side, and by evaporating partition for the adjacent single steaming
Hair tube side separates；
The exhaust tube is set to the lower section of the evaporation partition.
5. the refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection according to claim 1, which is characterized in that described
Restricting element is specially expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704010.6A CN110296543A (en) | 2019-07-31 | 2019-07-31 | A kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704010.6A CN110296543A (en) | 2019-07-31 | 2019-07-31 | A kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection |
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| Publication Number | Publication Date |
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| CN110296543A true CN110296543A (en) | 2019-10-01 |
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| CN201910704010.6A Pending CN110296543A (en) | 2019-07-31 | 2019-07-31 | A kind of refrigeration or heat pump system of the gas-liquid separation heat exchanging of band injection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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