CN107024040A - Injector throttle refrigeration system and drainage method - Google Patents
Injector throttle refrigeration system and drainage method Download PDFInfo
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- CN107024040A CN107024040A CN201710273521.8A CN201710273521A CN107024040A CN 107024040 A CN107024040 A CN 107024040A CN 201710273521 A CN201710273521 A CN 201710273521A CN 107024040 A CN107024040 A CN 107024040A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003507 refrigerant Substances 0.000 claims abstract description 338
- 239000007788 liquid Substances 0.000 claims abstract description 204
- 230000008676 import Effects 0.000 claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 59
- 239000003795 chemical substances by application Substances 0.000 claims description 41
- 238000000889 atomisation Methods 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 29
- 238000002347 injection Methods 0.000 abstract description 13
- 239000007924 injection Substances 0.000 abstract description 13
- 230000009467 reduction Effects 0.000 description 15
- 230000004927 fusion Effects 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention provides a kind of injector throttle refrigeration system and drainage method, wherein injector throttle refrigeration system includes：Flow controller, the outlet of flow controller and the first import of injector are connected, for the liquid refrigerant of the first import of injector front end to be converted into gas-liquid mixed refrigerant, wherein, when injector throttle refrigeration system works, gas-liquid mixed refrigerant forms the gas-liquid mixed refrigerant of spray pattern after injector sprays.Pass through technical scheme, the front end of injector sets flow controller in injector throttle refrigeration system, the refrigerant flowed out from condenser is depressured by flow controller, so as to be converted to gas-liquid mixed refrigerant, gas-liquid mixed refrigerant is atomized refrigerant by injector injection, and injector is improved to the drainage effect of the gaseous refrigerant flowed out from evaporator with this.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to a kind of injector throttle refrigeration system and one kind
Drainage method.
Background technology
The injector throttle refrigeration system of prior art is in order to improve evaporator outlet side to compressor inlet side gaseous state system
The flow velocity of cryogen, carries out drainage, due to carrying out the fluid of drainage to gaseous refrigerant often through injector to gaseous refrigerant
For the pure liquid refrigerant flowed out from condenser, pure liquid refrigerant forms one low pressure quick after the injection through injector
Liquid refrigerant stream, because the circulation passage area of liquid refrigerant is small, cause its drainage effect to gaseous refrigerant simultaneously
It is undesirable, so that the inspiratory effects of compressor are influenceed, the refrigeration of final influence injector throttle refrigeration system.
Therefore, how to improve the drainage effect of injector in injector throttle refrigeration system to gaseous refrigerant, into
For urgent problem to be solved.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of injector throttle refrigeration system.
It is another object of the present invention to propose a kind of drainage method.
To achieve the above object, a kind of technique according to the invention scheme, it is proposed that injector throttle refrigeration system, including
First import of flow controller, the outlet of flow controller and injector is connected, for by the liquid refrigeration of the first import of injector front end
Agent is converted to gas-liquid mixed refrigerant, wherein, when injector throttle refrigeration system works, gas-liquid mixed refrigerant is through overspray
The gas-liquid mixed refrigerant of spray pattern is formed after device injection.
In the technical scheme, throttled by being set in injector throttle refrigeration system at the first import of injector
Device, the refrigerant flowed out from condenser is depressured by flow controller, is converted to gas-liquid mixed refrigerant, gas-liquid mixed refrigerant passes through
Injector injection is atomized refrigerant, and atomized refrigerant is merged with the gaseous refrigerant flowed out from evaporator, and injection is improved with this
Device is to the drainage effect of the gaseous refrigerant flowed out from evaporator.
In addition, flow controller is used to be embodied as refrigerant decompression or refrigerant is formed turbulent flow generation gas in the process of circulation
The effect of bubble.
Specifically, after refrigerant flows out from condenser, in the pure liquid state of high pressure, the refrigerant of the pure liquid state of high pressure leads to
When crossing flow controller, the circulation of the refrigerant for the pure liquid state of structure barrier that flow controller passes through itself causes the refrigeration of pure liquid state
Agent consumed energy in flow controller, interior energy reduction, pressure reduction, when the pressure reduction of the refrigerant of pure liquid state, its boiling point
Reduced as pressure is reduced, now, the refrigerant of a part of pure liquid state is evaporated to the refrigerant of gaseous state shape, forms gas-liquid and mixes
Refrigerant is closed, gas-liquid mixed refrigerant is sprayed by injector to be depressured, and forms the vaporific gas-liquid mixed refrigerant of low-voltage high speed,
The gaseous refrigerant of low pressure low speed of the vaporific gas-liquid mixed refrigerant with being flowed out from evaporator converges in the outlet of injector, mist
The gas-liquid mixed refrigerant of shape is wider compared to the refrigerant coverage rate of pure liquid state, effectively raises itself and gaseous refrigerant
Degrees of fusion, improves its effect to gaseous refrigerant drainage.
In addition, flow controller is arranged on the pipeline before the import of injector first by way of welding or being threadedly coupled.
According to the technical scheme of the present invention, it is preferable that also include：First pipeline, the first pipeline connection flow controller
Outlet and the first import of injector, the length of the first pipeline is in 10 centimetres to 30 centimetres of length range.
In the technical scheme, by the way that the length of the first pipeline is arranged in 10 centimetres to 30 centimetres of length range,
Refrigerant formation gas-liquid mixed refrigerant after flow controller reducing pressure by regulating flow, gas-liquid mixed refrigerant can timely be transported to spray
In emitter, so as to improve atomizing effect of the injector to gas-liquid mixed refrigerant.
According to the technical scheme of the present invention, it is preferable that also include：Sealing gasket, it is described in the outlet of flow controller
Sealing gasket seals the gap of flow controller and the first line connection.
In the technical scheme, sealing gasket is arranged on the gap of flow controller and the first line connection, reduces refrigerant and leads to
Leakage during flow controller is crossed, the job stability of injector throttle refrigeration system is improved.
According to the technical scheme of the present invention, it is preferable that also include：Net is atomized, the first import of injector is set in
Place, mix refrigerant generates cavitation bubble by atomization net throttling.
In the technical scheme, by setting atomization net in the exit of injector, when gas-liquid mixed refrigerant is from throttling
After the outlet outflow of device, the liquid refrigerant high-speed motion in gas-liquid mixed refrigerant is online to atomization, and liquid refrigerant passes through
The online small mesh of atomization is sprayed, and the environment of high density droplet is formed around atomization net, and gaseous refrigerant passes through atomization
Online small mesh sprays, and forms cavitation bubble, and high density droplet merges atomization with cavitation bubble, is ejected into through injector
In the whole outlet of emitter, itself and the degrees of fusion of the gaseous refrigerant flowed out from evaporator are improved, so as to improve it to gas
The drainage effect of state refrigerant.
According to the technical scheme of the present invention, it is preferable that also include：Second pipeline, the second pipeline connection injector
Outlet and the import of throttling arrangement；Gas-liquid separator, on the second pipeline, the first import of gas-liquid separator and injector
Outlet connection, the first outlet of gas-liquid separator and the import of throttling arrangement are connected.
In the technical scheme, by setting gas-liquid separator in the exit of injector, gas-liquid separator can be by gas
Gaseous refrigerant in liquid mix refrigerant is separated with liquid refrigerant, wherein, gaseous refrigerant is inhaled into compressor
Interior, next kind of refrigeration cycle flow for spraying throttle refrigeration system in liquid refrigerant flow throttling device, passes through throttling
Device is flowed into evaporator after carrying out reducing pressure by regulating flow to it, and the refrigeration of injector throttle refrigeration system is realized with this.
According to the technical scheme of the present invention, it is preferable that also include：3rd pipeline, the second of connection gas-liquid separator
Gaseous refrigerant in outlet and the import of compressor, mix refrigerant flows into the import of compressor by the 3rd pipeline.
In the technical scheme, the liquid refrigerant formation gas-liquid mixed refrigerant throttled by flow controller, gas-liquid mixed
Refrigerant is flowed into injector, and injector is sprayed mix refrigerant, mix refrigerant formation atomized refrigerant, vaporific
Refrigerant is merged with the gaseous refrigerant flowed out from evaporator, and to improve the velocity of liquid assets of gaseous refrigerant, gaseous refrigerant leads to
Cross the import that the 3rd pipeline flows into compressor, next kind of refrigeration cycle flow for spraying throttle refrigeration system, to improve spray
The refrigeration cycle efficiency of emitter throttle refrigeration system.
According to the technical scheme of the present invention, it is preferable that flow controller is electric expansion valve, heating power expansion valve, capillary
With one kind in flow deflector.
In the technical scheme, flow controller is one kind in electric expansion valve, heating power expansion valve, capillary and flow deflector,
User can select suitable flow controller according to the actual conditions of injector throttle refrigeration system, improve the washability of user with
And the stability of injector throttle refrigeration system.
Wherein, electric expansion valve is, according to pre-set programs regulation valve body openings of sizes, to embody injector throttling refrigeration system
The demand for development for electromechanical integration of uniting, condition is provided for injector throttle refrigeration system intelligentized control method, is reached rationally effectively
The yield of gaseous refrigerant is controlled, the purpose of injector drainage had both been reached, it can be reduced again to injector throttling refrigeration
The influence of cooling system effect.
Wherein, heating power expansion valve is influenceed by refrigerant temperature, realizes the control to valve port size, refrigerant is increased with this
Circulating resistance during circulation heating power expansion valve, reaches the purpose that decompression throttling is carried out to refrigerant, realizes generation gaseous refrigerant
Effect.
Wherein, capillary is that import is big, exports small throttle pipe, after refrigerant reaches capillary from import, capillary
Outlet increase refrigerant circulating resistance, reach to refrigerant be depressured throttling purpose, realize generation gaseous refrigerant effect
Really.
Wherein, flow deflector is increases steel disc in the pipeline of the first import of injector front end, when refrigerant passes through steel disc,
Due to the resistance of steel disc, refrigerant forms turbulent flow in the root face of steel disc, and interior energy reduces and generates bubble.
It is another object of the present invention to propose a kind of drainage method.
According to the technical scheme of the present invention, it is preferable that propose a kind of drainage method, it is adaptable to as first aspect is appointed
The injector throttle refrigeration system of one, including：Liquid refrigerant in injector throttle refrigeration system is flowed into flow controller, section
Flow device and reducing pressure by regulating flow is carried out to liquid refrigerant, liquid refrigerant is converted into the hybrid refrigeration of gas-liquid mixed because pressure is reduced
Agent；Mix refrigerant is flowed into injector, after injector is sprayed mix refrigerant, and mix refrigerant is converted to gas-liquid and mixed
The atomizing refrigerating agent of conjunction.
In the technical scheme, the liquid refrigerant in injector throttle refrigeration system is flowed into flow controller, flow controller pair
Liquid refrigerant carries out reducing pressure by regulating flow, and liquid refrigerant is converted into the mix refrigerant of gas-liquid mixed, gas-liquid because pressure is reduced
The mix refrigerant of mixing is easier more to be disperseed relative to pure liquid refrigerant, and circulation area is bigger, works as mix refrigerant
When being flowed into injector, injector is sprayed mix refrigerant, and the mix refrigerant through injection is converted to gas-liquid mixed
Atomizing refrigerating agent, the refrigerant coverage rate of the relatively pure liquid state of gas-liquid mixed refrigerant of atomization is wider, and circulation area is bigger,
Its degrees of fusion with gaseous refrigerant is improved, its effect to gaseous refrigerant drainage is improved.
Specifically, after refrigerant flows out from condenser, in the pure liquid state of high pressure, the refrigerant of the pure liquid state of high pressure leads to
When crossing flow controller, the circulation of the refrigerant for the pure liquid state of structure barrier that flow controller passes through itself causes the refrigeration of pure liquid state
Agent consumed energy in flow controller, interior energy reduction, pressure reduction, when the pressure reduction of the refrigerant of pure liquid state, its boiling point
Reduced as pressure is reduced, now, the refrigerant of a part of pure liquid state is evaporated to the refrigerant of gaseous state shape, forms gas-liquid and mixes
Refrigerant is closed, gas-liquid mixed refrigerant is sprayed by injector to be depressured, and forms the vaporific gas-liquid mixed refrigerant of low-voltage high speed,
The gaseous refrigerant of low pressure low speed of the vaporific gas-liquid mixed refrigerant with being flowed out from evaporator converges in the outlet of injector, mist
The gas-liquid mixed refrigerant of shape is wider compared to the refrigerant coverage rate of pure liquid state, effectively raises itself and gaseous refrigerant
Degrees of fusion, improves its effect to gaseous refrigerant drainage.
In addition, flow controller is arranged on the pipeline before the import of injector first by way of welding or being threadedly coupled.
According to the technical scheme of the present invention, it is preferable that mix refrigerant is flowed into injector, injector is made to mixing
After cryogen is sprayed, mix refrigerant is converted to the atomizing refrigerating agent of gas-liquid mixed, specifically includes：Injector is to hybrid refrigeration
Before agent is sprayed, mix refrigerant throttles by atomization net, atomization net to mix refrigerant, and mix refrigerant generation is empty
Change bubble.
In the technical scheme, before injector is sprayed mix refrigerant, mix refrigerant is by atomization net, atomization
Mix refrigerant is converted to atomizing refrigerating agent by net, and the coverage rate of vaporific gas-liquid mixed refrigerant in pipeline is wider, circulation
Area is bigger, can effectively improve its degrees of fusion with gaseous refrigerant, improves its effect to gaseous refrigerant drainage.
Specifically, after outlet outflow of the gas-liquid mixed refrigerant from flow controller, the liquid system in gas-liquid mixed refrigerant
Cryogen high-speed motion is online to atomization, and liquid refrigerant is sprayed by the online small mesh of atomization, is formed around atomization net
The environment of high density droplet, gaseous refrigerant is sprayed by the online small mesh of atomization, forms cavitation bubble, the small water of high density
Pearl merges atomization with cavitation bubble, is ejected into through injector in the whole outlet of injector, improves it with being flowed out from evaporator
Gaseous refrigerant degrees of fusion, so as to improve its drainage effect to gaseous refrigerant.
According to the technical scheme of the present invention, it is preferable that mix refrigerant is flowed into injector, injector is made to mixing
After cryogen is sprayed, mix refrigerant is converted to after the atomizing refrigerating agent step of gas-liquid mixed, in addition to：Atomizing refrigerating agent with
From the gaseous refrigerant mixing of the evaporator outflow in injector throttle refrigeration system, atomizing refrigerating agent is carried out to gaseous refrigerant
Drainage.
In the technical scheme, atomizing refrigerating agent and the gaseous state system from the evaporator outflow in injector throttle refrigeration system
Cryogen is merged, and atomizing refrigerating agent carries out drainage to gaseous refrigerant, and the flow velocity of gaseous refrigerant, gaseous refrigerant stream are improved with this
Enter the import of compressor, for next kind of refrigeration cycle of injector throttle refrigeration system, reach raising injector throttling refrigeration
The effect of the cycle efficieny of system.
According to the present invention a technical scheme, it is preferable that atomizing refrigerating agent with from injector throttle refrigeration system
The gaseous refrigerant mixing of evaporator outflow, atomizing refrigerating agent is carried out after drainage step to gaseous refrigerant, in addition to：Gaseous state system
Cryogen is flowed into the gas-liquid separator in injector throttle refrigeration system, and gaseous refrigerant is introduced injector section by gas-liquid separator
Flow the import of the compressor in refrigeration system.
In the technical scheme, gaseous refrigerant is flowed into the gas-liquid separator in injector throttle refrigeration system, gas-liquid
Gaseous refrigerant is introduced into the import of compressor in injector throttle refrigeration system by separator, and gas-liquid separator can mix gas-liquid
The gaseous refrigerant closed in refrigerant is separated with liquid refrigerant, and gaseous refrigerant is inhaled into compressor, liquid system
In cryogen flow throttling device, it is flowed into by the reducing pressure by regulating flow of throttling arrangement in evaporator, to realize injector throttling refrigeration
The refrigeration of system.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
Fig. 1 shows the structural representation of injector throttle refrigeration system according to an embodiment of the invention；
Fig. 2 shows the structural representation of injector according to an embodiment of the invention；
Fig. 3 shows the structural representation of gas-liquid separator according to an embodiment of the invention；
Fig. 4 shows the schematic flow sheet of drainage method according to an embodiment of the invention.
Wherein, corresponding relations of the Fig. 1 into Fig. 4 between reference and component names is：
102 compressors, 104 condensers, 106 flow controllers, 108 injectors, the first import of 1082 injectors, 1084 injections
Second import of device, the outlet of 1086 injectors, 110 gas-liquid separators, the import of 1102 gas-liquid separators, 1104 gas-liquid separations
The first outlet of device, the second outlet of 1106 gas-liquid separators, 112 throttling arrangements, 114 evaporators.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The limitation for the specific embodiment opened.
Fig. 1 shows the structural representation of injector throttle refrigeration system according to an embodiment of the invention.
As shown in figure 1, embodiments in accordance with the present invention, it is proposed that a kind of injector throttle refrigeration system, including flow controller
106, the outlet of flow controller 106 and the first import 1082 of injector are connected, for by the liquid of the import front end of injector 108 first
State refrigerant is converted to gas-liquid mixed refrigerant, wherein, when injector throttle refrigeration system works, gas-liquid mixed refrigerant warp
Overspray device 108 forms the gas-liquid mixed refrigerant of spray pattern after spraying.
In this embodiment, throttled by being set in injector throttle refrigeration system at the first import 1082 of injector
Device 106, the refrigerant flowed out from condenser 104 is depressured by flow controller 106, is converted to gas-liquid mixed refrigerant, gas-liquid mixed
Refrigerant is atomized refrigerant by the injection of injector 108, and atomized refrigerant is melted with the gaseous refrigerant flowed out from evaporator 114
Close, the drainage effect for the gaseous refrigerant that 108 pairs of injector flows out from evaporator 114 is improved with this.
In addition, flow controller 106 is used to be embodied as refrigerant decompression or refrigerant is formed turbulent flow production in the process of circulation
The effect of anger bubble.
Specifically, after refrigerant flows out from condenser 104, in the pure liquid state of high pressure, the refrigeration of the pure liquid state of high pressure
When agent is by flow controller 106, the circulation of the refrigerant for the pure liquid state of structure barrier that flow controller 106 passes through itself causes pure liquid
The refrigerant of state shape consumed energy in flow controller 106, interior energy reduction, pressure reduction, when the pressure of the refrigerant of pure liquid state
During reduction, its boiling point is reduced as pressure is reduced, and now, the refrigerant of a part of pure liquid state is evaporated to the refrigeration of gaseous state shape
Agent, forms gas-liquid mixed refrigerant, and gas-liquid mixed refrigerant is sprayed by injector 108 to be depressured, and forms the vaporific of low-voltage high speed
Gas-liquid mixed refrigerant, vaporific gas-liquid mixed refrigerant and the gaseous refrigerant of the low pressure low speed flowed out from evaporator 114
Converge in the outlet 1086 of injector, vaporific gas-liquid mixed refrigerant is wider compared to the refrigerant coverage rate of pure liquid state, has
What is imitated improves its degrees of fusion with gaseous refrigerant, improves its effect to gaseous refrigerant drainage.
In addition, flow controller 106 is arranged on the pipe before the import of injector 108 first by way of welding or being threadedly coupled
Lu Shang.
According to one embodiment of present invention, it is preferable that also include：First pipeline, the first pipeline connection flow controller 106
Outlet and the first import 1082 of injector, the length of the first pipeline is in 10 centimetres to 30 centimetres of length range.
In this embodiment, by the way that the length of the first pipeline is arranged in 10 centimetres to 30 centimetres of length range, pass through
Refrigerant formation gas-liquid mixed refrigerant after the reducing pressure by regulating flow of flow controller 106, gas-liquid mixed refrigerant can be timely transported to
In injector 108, so as to improve atomizing effect of the injector 108 to gas-liquid mixed refrigerant.
According to one embodiment of present invention, it is preferable that also include：Sealing gasket, in the outlet of flow controller 106, institute
State the gap that sealing gasket seals the line connection of flow controller 106 and first.
In this embodiment, sealing gasket is arranged on the gap of the line connection of flow controller 106 and first, reduces refrigerant and leads to
Leakage during flow controller 106 is crossed, the job stability of injector throttle refrigeration system is improved.
According to one embodiment of present invention, it is preferable that also include：Net is atomized, the first import of injector is set in
At 1082, mix refrigerant generates cavitation bubble by atomization net throttling.
In this embodiment, by setting atomization net at the outlet 1086 of injector, when gas-liquid mixed refrigerant is from section
After the outlet outflow for flowing device 106, the liquid refrigerant high-speed motion in gas-liquid mixed refrigerant is online to atomization, liquid refrigerant
Sprayed by the online small mesh of atomization, the environment of high density droplet is formed around atomization net, gaseous refrigerant passes through
The online small mesh of atomization sprays, and forms cavitation bubble, high density droplet merges atomization with cavitation bubble, through injector 108
It is ejected into the whole outlet of injector 108, improves itself and the degrees of fusion of the gaseous refrigerant flowed out from evaporator 114, from
And improve its drainage effect to gaseous refrigerant.
Fig. 2 shows the structural representation of injector 108 according to an embodiment of the invention.
Fig. 3 shows the structural representation of gas-liquid separator 110 according to an embodiment of the invention.
As shown in Figures 2 and 3, according to one embodiment of present invention, it is preferable that also include：Second pipeline, the second pipeline
Connect the outlet 1086 of injector and the import of throttling arrangement 112；Gas-liquid separator 110, on the second pipeline, gas-liquid separation
First import of device 110 and the outlet 1086 of injector are connected, first outlet and the throttling arrangement 112 of gas-liquid separator 110
Import is connected.
In this embodiment, by setting gas-liquid separator 110, gas-liquid separator 110 at the outlet 1086 of injector
Gaseous refrigerant in gas-liquid mixed refrigerant can be separated with liquid refrigerant, wherein, gaseous refrigerant is inhaled into
Into compressor 102, next kind of refrigeration cycle flow for spraying throttle refrigeration system, liquid refrigerant flow throttling device
In 112, it is carried out by throttling arrangement 112 to be flowed into after reducing pressure by regulating flow in evaporator 114, injector throttling system is realized with this
The refrigeration of cooling system.
According to one embodiment of present invention, it is preferable that also include：3rd pipeline, the second of connection gas-liquid separator 110
Gaseous refrigerant in outlet and the import of compressor 102, mix refrigerant flows into entering for compressor 102 by the 3rd pipeline
Mouthful.
In this embodiment, the liquid refrigerant formation gas-liquid mixed refrigerant throttled by flow controller 106, gas-liquid mixed
Refrigerant is flowed into injector 108, and injector 108 is sprayed mix refrigerant, and mix refrigerant forms vaporific refrigeration
Agent, atomized refrigerant is merged with the gaseous refrigerant flowed out from evaporator 114, to improve the velocity of liquid assets of gaseous refrigerant, gas
State refrigerant flows into the import of compressor 102, next kind of refrigeration cycle for spraying throttle refrigeration system by the 3rd pipeline
Flow, to improve the refrigeration cycle efficiency of injector throttle refrigeration system.
According to one embodiment of present invention, it is preferable that flow controller 106 is electric expansion valve, heating power expansion valve, capillary
With one kind in flow deflector.
In this embodiment, flow controller 106 is one kind in electric expansion valve, heating power expansion valve, capillary and flow deflector,
User can select suitable flow controller 106 according to the actual conditions of injector throttle refrigeration system, improve the optional of user
The stability of property and injector throttle refrigeration system.
Wherein, electric expansion valve is, according to pre-set programs regulation valve body openings of sizes, to embody injector throttling refrigeration system
The demand for development for electromechanical integration of uniting, condition is provided for injector throttle refrigeration system intelligentized control method, is reached rationally effectively
The yield of gaseous refrigerant is controlled, the purpose of the drainage of injector 108 had both been reached, its system that throttled to injector can be reduced again
The influence of cooling system refrigeration.
Wherein, heating power expansion valve is influenceed by refrigerant temperature, realizes the control to valve port size, refrigerant is increased with this
Circulating resistance during circulation heating power expansion valve, reaches the purpose that decompression throttling is carried out to refrigerant, realizes generation gaseous refrigerant
Effect.
Wherein, capillary is that import is big, exports small throttle pipe, after refrigerant reaches capillary from import, capillary
Outlet increase refrigerant circulating resistance, reach to refrigerant be depressured throttling purpose, realize generation gaseous refrigerant effect
Really.
Wherein, flow deflector is increases steel disc in the pipeline of the import front end of injector 108 first, when refrigerant passes through steel disc
When, due to the resistance of steel disc, refrigerant forms turbulent flow in the root face of steel disc, and interior energy reduces and generates bubble.
It is another object of the present invention to propose a kind of drainage method.
Fig. 4 shows the schematic flow sheet of drainage method according to an embodiment of the invention.
As shown in figure 4, according to one embodiment of present invention, it is preferable that propose a kind of raising injector 108 injection and draw
Flow the method for efficiency, it is adaptable to such as injector throttle refrigeration system of any one of first aspect, including：Step S402, injector
Liquid refrigerant in throttle refrigeration system is flowed into flow controller 106, and flow controller 106 carries out reducing pressure by regulating flow to liquid refrigerant,
Liquid refrigerant is converted into the mix refrigerant of gas-liquid mixed because pressure is reduced；Step S404, mix refrigerant flows into injection
In device 108, after injector 108 is sprayed mix refrigerant, mix refrigerant is converted to the atomizing refrigerating agent of gas-liquid mixed.
In this embodiment, the liquid refrigerant in injector throttle refrigeration system is flowed into flow controller 106, flow controller
106 pairs of liquid refrigerants carry out reducing pressure by regulating flow, and liquid refrigerant is converted into the mix refrigerant of gas-liquid mixed because pressure is reduced,
The mix refrigerant of gas-liquid mixed is easier more to be disperseed relative to pure liquid refrigerant, and circulation area is bigger, when mixing system
When cryogen is flowed into injector 108, injector 108 is sprayed mix refrigerant, the mix refrigerant conversion through injection
For the atomizing refrigerating agent of gas-liquid mixed, the refrigerant coverage rate of the relatively pure liquid state of gas-liquid mixed refrigerant of atomization is wider, stream
Logical area is bigger, improves its degrees of fusion with gaseous refrigerant, improves its effect to gaseous refrigerant drainage.
Specifically, after refrigerant flows out from condenser 104, in the pure liquid state of high pressure, the refrigeration of the pure liquid state of high pressure
When agent is by flow controller 106, the circulation of the refrigerant for the pure liquid state of structure barrier that flow controller 106 passes through itself causes pure liquid
The refrigerant of state shape consumed energy in flow controller 106, interior energy reduction, pressure reduction, when the pressure of the refrigerant of pure liquid state
During reduction, its boiling point is reduced as pressure is reduced, and now, the refrigerant of a part of pure liquid state is evaporated to the refrigeration of gaseous state shape
Agent, forms gas-liquid mixed refrigerant, and gas-liquid mixed refrigerant is sprayed by injector 108 to be depressured, and forms the vaporific of low-voltage high speed
Gas-liquid mixed refrigerant, vaporific gas-liquid mixed refrigerant and the gaseous refrigerant of the low pressure low speed flowed out from evaporator 114
Converge in the outlet 1086 of injector, vaporific gas-liquid mixed refrigerant is wider compared to the refrigerant coverage rate of pure liquid state, has
What is imitated improves its degrees of fusion with gaseous refrigerant, improves its effect to gaseous refrigerant drainage.
In addition, flow controller 106 is arranged on the pipe before the import of injector 108 first by way of welding or being threadedly coupled
Lu Shang.
According to one embodiment of present invention, it is preferable that mix refrigerant is flowed into injector 108,108 pairs of injector is mixed
Before conjunction refrigerant is sprayed, mix refrigerant throttles by atomization net, atomization net to mix refrigerant, mix refrigerant
Generate cavitation bubble.
In this embodiment, before injector 108 is sprayed mix refrigerant, mix refrigerant is by atomization net, mist
Change net and mix refrigerant is converted into atomizing refrigerating agent, the coverage rate of vaporific gas-liquid mixed refrigerant in pipeline is wider, stream
Logical area is bigger, can effectively improve its degrees of fusion with gaseous refrigerant, improves its effect to gaseous refrigerant drainage.
Specifically, after outlet outflow of the gas-liquid mixed refrigerant from flow controller 106, the liquid in gas-liquid mixed refrigerant
Refrigerant high-speed motion is online to atomization, and liquid refrigerant is sprayed by the online small mesh of atomization, the shape around atomization net
Into the environment of high density droplet, gaseous refrigerant is sprayed by the online small mesh of atomization, forms cavitation bubble, and high density is small
The globule merges atomization with cavitation bubble, is ejected into through injector 108 in the whole outlet of injector 108, improve its with from steaming
The degrees of fusion for the gaseous refrigerant that device 114 flows out is sent out, so as to improve its drainage effect to gaseous refrigerant.
According to one embodiment of present invention, it is preferable that mix refrigerant is flowed into injector 108,108 pairs of injector is mixed
After conjunction refrigerant is sprayed, mix refrigerant is converted to after the atomizing refrigerating agent step of gas-liquid mixed, in addition to：Atomizing refrigerating
Agent is mixed with the gaseous refrigerant flowed out from the evaporator 114 in injector throttle refrigeration system, and atomizing refrigerating agent is to gaseous state system
Cryogen carries out drainage.
In this embodiment, atomizing refrigerating agent and the gaseous state flowed out from the evaporator 114 in injector throttle refrigeration system
Refrigerant is merged, and atomizing refrigerating agent carries out drainage to gaseous refrigerant, and the flow velocity of gaseous refrigerant, gaseous refrigerant are improved with this
The import of compressor 102 is flowed into, for next kind of refrigeration cycle of injector throttle refrigeration system, raising injector throttling is reached
The effect of the cycle efficieny of refrigeration system.
According to one embodiment of present invention, it is preferable that atomizing refrigerating agent with from the steaming in injector throttle refrigeration system
The gaseous refrigerant mixing that device 114 flows out is sent out, atomizing refrigerating agent is carried out after drainage step to gaseous refrigerant, in addition to：Gaseous state
Refrigerant is flowed into the gas-liquid separator 110 in injector throttle refrigeration system, and gas-liquid separator 110 introduces gaseous refrigerant
The import of compressor 102 in injector throttle refrigeration system.
In this embodiment, gaseous refrigerant is flowed into the gas-liquid separator 110 in injector throttle refrigeration system, gas-liquid
Gaseous refrigerant is introduced into the import of compressor 102 in injector throttle refrigeration system by separator 110, and gas-liquid separator 110 can
So that the gaseous refrigerant in gas-liquid mixed refrigerant to be separated with liquid refrigerant, gaseous refrigerant is inhaled into compressor
In 102, in liquid refrigerant flow throttling device 112, it is flowed into by the reducing pressure by regulating flow of throttling arrangement 112 in evaporator 114,
To realize the refrigeration of injector throttle refrigeration system.
For the injector throttle refrigeration system in the present invention, the present invention mainly lists following one embodiment：
Specific embodiment：
As shown in figure 1, after the refrigerant in refrigeration system is compressed acting through compressor 102, entering condenser 104
Middle progress radiating condensation, after refrigerant flows out from condenser 104, in the pure liquid state of high pressure, the refrigeration of the pure liquid state of high pressure
When agent is by flow controller 106, the passage of the refrigerant for the pure liquid state of structure barrier that flow controller 106 passes through itself causes pure liquid
The refrigerant of state shape consumed energy in flow controller 106, interior energy reduction, pressure reduction, when the pressure of the refrigerant of pure liquid state
During reduction, its boiling point is reduced as pressure is reduced, and now, the refrigerant of a part of pure liquid state is evaporated to the refrigeration of gaseous state shape
Agent, forms gas-liquid mixed refrigerant, and gas-liquid mixed refrigerant is sprayed by injector 108 to be depressured, and forms the vaporific of low-voltage high speed
Gas-liquid mixed refrigerant, vaporific gas-liquid mixed refrigerant and the gaseous refrigerant of the low pressure low speed flowed out from evaporator 114
Converge in the outlet 1086 of injector, the refrigerant coverage rate of the relatively pure liquid state of vaporific gas-liquid mixed refrigerant is wider, has
What is imitated improves its degrees of fusion with gaseous refrigerant, reaches its purpose to gaseous refrigerant drainage.
Embodiments of the invention have been described in detail above, a kind of injection throttle refrigeration system proposed by the present invention sprays with improving
The method of emitter ejection efficiency, by technical scheme, the front end of injector is set in injector throttle refrigeration system
Flow controller is put, the refrigerant flowed out from condenser is depressured by flow controller, so as to be converted to gas-liquid mixed refrigerant, gas-liquid is mixed
It is atomized refrigerant that refrigerant, which is closed, by injector injection, and injector is improved to the gaseous refrigerant that is flowed out from evaporator with this
Drainage effect.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and it is not intended that indicating
Or imply relative importance；Term " connection ", " installation ", " fixation " etc. all should be interpreted broadly, for example, " connection " can be solid
Calmly connect or be detachably connected, or be integrally connected；Can be joined directly together, can also be indirect by intermediary
It is connected.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be
Body implication.
In the description of this specification, the description of term " one embodiment " etc. means that combining the embodiment or example describes
Specific features, structure, material or feature be contained in the present invention at least one embodiment or example in.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of injector throttle refrigeration system, including：Compressor, condenser, injector, evaporator and throttling arrangement, it is described
The outlet of compressor is connected with the import of the condenser, and the outlet of the condenser connects with the first import of the injector
Connect, the outlet of the injector is connected with the import of the throttling arrangement, outlet and the evaporator of the throttling arrangement
Import is connected, and the outlet of the evaporator is connected with the second import of the injector, it is characterised in that the refrigeration system is also
Including：
Flow controller, the outlet of the flow controller is connected with the first import of the injector, for the injector first to be entered
The liquid refrigerant of mouth front end is converted to gas-liquid mixed refrigerant,
Wherein, when the injector throttle refrigeration system works, the gas-liquid mixed refrigerant sprays by the injector
The gas-liquid mixed refrigerant of spray pattern is formed afterwards.
2. injector throttle refrigeration system according to claim 1, it is characterised in that
First pipeline, first pipeline connects the outlet and the first import of the injector of the flow controller, described first
The length of pipeline is in 10 centimetres to 30 centimetres of length range.
3. injector throttle refrigeration system according to claim 2, it is characterised in that also include：
Sealing gasket, in the outlet of the flow controller, the sealing gasket seals the flow controller and is connected with first pipeline
The gap at place.
4. injector throttle refrigeration system according to claim 1, it is characterised in that also include：
Net is atomized, is set at the first import of the injector, the mix refrigerant is by the atomization net throttling, generation
Cavitation bubble.
5. injector throttle refrigeration system according to claim 1, it is characterised in that also include：
Second pipeline, second pipeline connects the outlet and the import of the throttling arrangement of the injector；
Gas-liquid separator, on second pipeline, the first import of the gas-liquid separator and the outlet of the injector
Connection, the first outlet of the gas-liquid separator is connected with the import of the throttling arrangement.
6. injector throttle refrigeration system according to claim 5, it is characterised in that also include：
3rd pipeline, is connected in the second outlet of the gas-liquid separator and the import of the compressor, the mix refrigerant
Gaseous refrigerant pass through the import that the 3rd pipeline flows into the compressor.
7. injector throttle refrigeration system according to claim 1, it is characterised in that
The flow controller is one kind in electric expansion valve, heating power expansion valve, capillary and flow deflector.
8. a kind of drainage method, it is adaptable to the injector throttle refrigeration system as any one of claim 1 to 7, it is special
Levy and be, including：
Liquid refrigerant in the injector throttle refrigeration system is flowed into flow controller, and the flow controller is to the liquid refrigeration
Agent carries out reducing pressure by regulating flow, and the liquid refrigerant is converted into the mix refrigerant of gas-liquid mixed because pressure is reduced；
The mix refrigerant is flowed into the injector, described after the injector is sprayed the mix refrigerant
Mix refrigerant is converted to the atomizing refrigerating agent of gas-liquid mixed.
9. drainage method according to claim 8, it is characterised in that the mix refrigerant is flowed into the injector,
After the injector is sprayed the mix refrigerant, the mix refrigerant is converted to the atomizing refrigerating of gas-liquid mixed
Agent, is specifically included：
Before the injector is sprayed the mix refrigerant, the mix refrigerant is by atomization net, the atomization net
The mix refrigerant is throttled, the mix refrigerant generates cavitation bubble.
10. drainage method according to claim 8, it is characterised in that the mix refrigerant is flowed into the injector,
After the injector is sprayed the mix refrigerant, the mix refrigerant is converted to the atomizing refrigerating agent of gas-liquid mixed
After step, in addition to：
The atomizing refrigerating agent is mixed with from the gaseous refrigerant of the evaporator outflow in the injector throttle refrigeration system, institute
State atomizing refrigerating agent and drainage is carried out to the gaseous refrigerant.
11. drainage method according to claim 10, it is characterised in that the atomizing refrigerating agent with from the injector section
The gaseous refrigerant mixing of the evaporator outflow in refrigeration system is flowed, the atomizing refrigerating agent is drawn to the gaseous refrigerant
After flow step, in addition to：
The gaseous refrigerant is flowed into the gas-liquid separator in the injector throttle refrigeration system, and the gas-liquid separator will
The import for the compressor that the gaseous refrigerant is introduced into the injector throttle refrigeration system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273521.8A CN107024040A (en) | 2017-04-24 | 2017-04-24 | Injector throttle refrigeration system and drainage method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273521.8A CN107024040A (en) | 2017-04-24 | 2017-04-24 | Injector throttle refrigeration system and drainage method |
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| CN107024040A true CN107024040A (en) | 2017-08-08 |
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| CN201710273521.8A Pending CN107024040A (en) | 2017-04-24 | 2017-04-24 | Injector throttle refrigeration system and drainage method |
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| CN109269136A (en) * | 2018-08-07 | 2019-01-25 | 珠海格力电器股份有限公司 | air conditioning system |
| CN109307378A (en) * | 2018-08-07 | 2019-02-05 | 珠海格力电器股份有限公司 | air conditioning system |
| CN110470082A (en) * | 2018-05-09 | 2019-11-19 | 美的集团股份有限公司 | Throttle part and cooling cycle system |
| CN111351272A (en) * | 2020-03-19 | 2020-06-30 | 青岛海尔空调器有限总公司 | Ejector and air conditioner |
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Application publication date: 20170808 |